XR-C5090

SERVICE MANUAL

E Model
Refer to RM-X4S SERVICE MANUAL (9-925-698-) issued previously for information of remote commander (RM-X4S) supplied with this set
Model Name Using Similar Mechanism Tape Transport Mechanism Type

XR-C340 MG-25F-136

SPECIFICATIONS
FM/AM CASSETTE CAR STEREO

MICROFILM

TABLE OF CONTENTS 1. GENERAL
Location of Controls.. Setting the Unit... Detaching the Front Panel.. Preparing the Rotary Commander.. Setting the Clock... Installation... Connection... 7 Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C during repairing. Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). Be careful not to apply force on the conductor when soldering or unsoldering. Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be damaged by heat.

2. 3. 4. 5.

DISASSEMBLY.. 9 ASSEMBLY OF MECHANISM DECK. 11 MECHANICAL ADJUSTMENTS.. 14 ELECTRICAL ADJUSTMENTS
Tape Deck Section... 14 Tuner Section... 14

6-1. 6-2. 6-3. 6-4. 6-5.

DIAGRAMS
IC Pin Function Description.. 15 Printed Wiring Boards MAIN Section .. 19 Schematic Diagram MAIN Section . 21 Printed Wiring Board PANEL Section .. 25 Schematic Diagram PANEL Section .. 27
EXPLODED VIEWS.. 31 ELECTRICAL PARTS LIST. 34

SECTION 1 GENERAL

This section is extracted from instruction manual.

SECTION 2 DISASSEMBLY

Note: Follow the disassembly procedure in the numerical order given.

FRONT PANEL ASSY, COLLAR

4 collar

3 claw

1 Push the button (release).
2 Remove the front panel assy to the direction of the arrow A.

COVER ASSY

3 cover assy
SUB PANEL, MECHANISM DECK (MG-25F-136)

5 screw (PTT2.6 6)

3 connector (CN351)
6 mechanism deck (MG-25F-136) 4 flexible flat cable (CN301)

2 sub panel

1 three screws (PTT2.6 8)
5 three screws (PTT2.6 8) 5 two screws (PTT2.6 10)

MAIN BOARD, HEAT SINK

3 two ground point screws

1 screw (PTT2.6 8)

5 two screws (PTT2.6 8)

4 main board

6 heat sink

2 rubber cap (25)

1 two screws (PTT2.6 8)
SECTION 3 ASSEMBLY OF MECHANISM DECK
Note: Follow the assembly procedure in the numerical order given.

HOUSING

5 Fit projection on C part. 2 Install the hanger onto two claws of the housing. 4 Fit claw on B part. 3 Put the housing under A part.
7 Holder the hanger by bending the claw. 1 Install the catch to the hanger.

hanger

6 Fit projection on D part.

housing

C part 8 Hold the hanger by bending the claw.

D part

A part

B part

ARM (SUCTION)
2 Move the arm (suction) in the arrow direction and fit on projection.

projection

1 Fit the arm (suction) on the shaft.

LEVER (LDG-A) / (LDG-B)

shaft A shaft B shaft C

shaft A

shaft B
1 Fit the lever (LDG-A) on shafts A C and install it.
3 type-E stop ring 2.Fit the lever (LDG-B) on shafts A and B and install it.

GEAR (LDG-FT)

gear (LDG-D) hole
6 polyethylene washer 5 gear (LDG-FT)
lever (LDG-A) gear (LDG-FB)
4 Align hole in the gear (LDG-D) with hole the lever (LDG-A)

tension spring (LD-2)

2 tension spring (LD-1)
3 Move the lever (LDG-B) in the arrow direction.

GUIDE (C)

2 guide (C)

1 three claws

SECTION 4 MECHANICAL ADJUSTMENTS
1. Clean the following parts with a denatured-alcohol-moistened swab: playback head pinch roller rubber belt capstan idler 2. Demagnetize the playback head with a head demagnetizer. 3. Do not use a magnetized screwdriver for the adjustments. 4. After the adjustments, apply suitable locking compound to the parts adjusted. 5. The adjustments should be performed with the power supply voltage unless otherwise noted. Torque Measurement

Mode Forward Forward Back Tension Reverse Reverse Back Tension FF, REW Torque Meter CQ-102C CQ-102C CQ-102RC CQ-102RC CQ-201B Meter Reading 30 - 65 gcm (0.42 - 0.90 ozinch) 0.5 - 4.5gcm (0.01 - 0.06 ozinch) 30 - 65 gcm (0.42 - 0.90 ozinch) 0.5 - 4.5gcm (0.01 - 0.06 ozinch) 60 - 200 gcm (0.83 - 2.78 ozinch)
SECTION 5 ELECTRICAL ADJUSTMENTS

TAPE DECK SECTION

Tape Speed Adjustment Setting:
speed checker or frequency counter 4

0 dB=0.775 V

test tape WS-48A (3 kHz, 0 dB) set

speaker out terminal

Procedure: 1. Put the set into the FWD PB mode. 2. Adjust adjustment resistor for inside capstan motor so that the reading on the speed checker or frequency counter becomes in specification. Specification: Constant speed
Speed checker 1.5 to +2.5% Frequency counter 2,955 to 3,075 Hz

Tape Tension Measurement

Mode Forward Reverse Tension Meter CQ-403A CQ-403R Meter Reading more than 90 g (more than 3.18 oz) more than 90 g (more than 3.18 oz)

Adjustment Location:

SET UPPER VIEW Tape Speed Adjustment

TUNER SECTION

Tuner section is no adjustment.

SECTION 6 DIAGRAMS

6-1. IC PIN FUNCTION DESCRIPTION
MAIN BOARD IC501 PD17708GC-567-3B9 (SYSTEM CONTROLLER) Pin No. Pin Name AMSSEL POS3 POS2 POS0 POS1 TAPEON CM ON LM LOD LM EJ TUNON FM ON PW ON MUT VOLCE VOLCKO VOLSO AMPON AMPMUT DX/LO AM MONO GND DSTSEL DBASIN KEYIN1 I/O I I I I I O O O O O O O O O O O O O O O I I I Tape system power supply on/off control signal output terminal H: tape on Capstan/reel motor (M901) drive signal output terminal H: motor on Loading/tape operation motor control signal output to the LB1638M (IC351) (For the loading direction and forward side operation) *1 Loading/tape operation motor control signal output to the LB1638M (IC351) (For the eject direction and reverse side operation) *1 Tuner system power supply on/off control signal output to the BA3918 (IC611) H: tuner on FM system power supply on/off control signal output to the BA3918 (IC611) H: FM on Main system power supply on/off control signal output to the BA3918 (IC611) H: power on Line muting control signal output terminal H: line muting on Chip enable signal output to the electrical volume (IC331) Serial data transfer clock signal output to the electrical volume (IC331) Serial data output to the electrical volume (IC331) Standby control signal output to the power amplifier (IC751) L: standby Muting control signal output to the power amplifier (IC751) L: muting on Local/DX selection signal output to the FM/AM tuner unit (TU1) L: DX, H: local AM forced monaural signal output terminal Not used (open) Ground terminal Destination setting terminal (frequency select switch (S502) input terminal) L: AM 9k step or FM 50k step, H: AM 10k step or FM 200k step D-BASS switch (SW951) input (A/D input) Key input terminal (A/D input) 6, INTRO 1, REPEAT 2, SHUF 3, BL SKIP 6, ATA 5, 4, PRESET DISC +/ keys input (LSW921 to LSW927, LSW929 and LSW930) Key input terminal (A/D input) OFF, SOURCE, MODE *, + ) + SEEK AMS, = 0 SEEK AMS, VOLUME , SEL, VOLUME +, ATT , DSPL, BTM, LCL keys input (LSW901 to LSW912) Rotary remote commander shift key A/D input terminal FM and AM signal meter voltage detection input from the FM/AM tuner unit (TU1) AM intermediate frequency detection signal input from the FM/AM tuner unit (TU1) FM intermediate frequency detection signal input from the FM/AM tuner unit (TU1) Power supply terminal (+5V) FM local oscillator detection signal input from the FM/AM tuner unit (TU1) AM local oscillator detection signal input from the FM/AM tuner unit (TU1) Ground terminal Not used (open) Main charge-pump control signal output terminal Setting terminal for the test (fixed at L) Not used (open) Seek control signal output to the FM/AM tuner unit (TU1) MW/SW selection signal output to the FM/AM tuner unit (TU1) L: MW, H: SW Beep sound output terminal Tape position detect input from tape operation switch on the mechanism block Function Setting terminal for the AMS selection fixed at L

KEYIN0 RC IN0 VSM AMIFIN FMIFIN VDD2 FM OSC AM OSC GND NCO EO1 TEST0 NCO SEKOUT MW/SW BEEP
I I I I I I I O O I O O O O

Pin No. 41 42

Pin Name KEYACK BU IN

I/O I I

Function Input of acknowledge signal for the key entry Acknowledge signal is input to accept function and eject keys in the power off status On at input of H Battery detect signal input terminal H: battery on METAL control in/out terminal At initial mode: auto/manual mode selection input of METAL function L: manual mode At manual mode: METAL on/off control signal output terminal (H output: METAL on) At auto mode: input at MTLIN (pin %) Not used this function in this set (fixed at H) Dolby control in/out terminal At initial mode: valid/invalid selection input of dolby function (L input: valid) At normal mode: dolby on/off control signal output (H output : dolby on) Not used this function in this set (fixed at H) Whether a music is present or not from CXA2509AQ (IC301) is detected at auto music sensor L: music is present, H: music is not present Input of FM stereo detection signal from FM/AM tuner unit (TU1), and output of forced monaural control signal to FM/AM tuner unit (TU1) (Commonly used for stereo display input and forced monaural output) FM stereo detection at input of L, forced monaural at output of L Tape auto music sensor control signal output to the CXA2509AQ (IC301) L is output to lower the gain for audio level at FF/REW Forward/reverse direction control signal output to the CXA2509AQ (IC301) L: forward direction, H: reverse direction Tape muting on/off control signal output to the CXA2509AQ (IC301) H: tape muting on Power supply on/off control signal output terminal at the illumination and liquid crystal display driver (IC901) H: power on At power select switch (S501) on mode: H output at the accessory on At power select switch (S501) off mode: H output at the power on Station detector detect input from the FM/AM tuner unit (TU1) Stop level for SEEK, BTM, etc. is determined SD is present at input of H Detects the removal of the attaching and removing type front panel block L: attaching Telephone muting signal input terminal At input of L, the signal is attenuated by 20 dB Reel table rotation detect signal input from the take-up and supply reel sensor Accessory detect signal input terminal L: accessory on Setting terminal for the test mode L: test mode (normally fixed at H) Rotary remote commander shift key A/D input terminal Power select switch (S501) input terminal L: position A (halt mode), H: position B (operation mode) Input terminal to set whether the auto metal function is present or not L: auto metal function is present (fixed at H) Power supply on/off control signal output for the A/D conversion Setting terminal for the key (fixed at H) Active selection terminal for the SEKOUT (pin #) (fixed at H) Setting terminal for the illumination color L: amber, H: green (fixed at H) Chip enable output to the liquid crystal display driver (IC901) Serial data transfer clock signal output to the liquid crystal display driver (IC901) Serial data output to the liquid crystal display driver (IC901) Blank indicate control signal output to the liquid crystal display driver (IC901) L: no display Serial data reading clock signal input terminal (for SONY bus) Serial data output to the bus interface (IC581) (for SONY bus)

MTLSEL

AMS ON N/R OUT TAPMUT
SD IN NOSESW TELMUT REL T ACCIN TESTIN RC IN1 PW SEL MTLIN ADON KEYSEL SEKOUTSEL COLORSEL LCDCE LCDCKO LCDSO LCDINH UNICKI UNISO
I I I I I I I I I O I I I O O O O I O

Pin No. 80

Pin Name UNISI UNICKO BUSON SYSRST VREG GND X OUT X IN CE VDD1 RESET

I/O I O O O O O I I I

Function Serial data input from the bus interface (IC581) (for SONY bus) Serial data transfer clock signal output to the bus interface (IC581) (for SONY bus) Bus on/off control signal output to the bus interface (IC581) (for SONY bus) L: bus on Reset signal output to the bus interface (IC581) (for SONY bus) L: reset CPU regulator output terminal Connected to capacitor Ground terminal Main system clock output terminal (4.5 MHz) Main system clock input terminal (4.5 MHz) CPU chip enable signal input (fixed at H) Power supply terminal (+5V) System reset signal input from the reset signal generator (IC551) and reset switch (S551) L is input for several 100 msec after power on, then it changes to H
*1 loading/tape operation motor control MODE TERMINAL LM LOD (pin 8) LM EJ (pin 9) STOP L L LOADING/ FORWARD H L EJECT/ REVERSE L H BRAKE H H
PRINTED WIRING BOARD MAIN Section

Waveform

1 IC501 & (X_IN)

3.4 Vp-p

221 ns
IC Block Diagrams MAIN Board IC301 CXA2509AQ-T4
LINEOUT2 TAPEIN2 PBOUT2 AUXIN2 MSSW PBEQ2 DIREF GND

NC 24dB

120/70 T2 + PBFBPBRINPBREFPBFINF2 TAPE EQ FWD/RVS VCT 35 PBGND 36 VCT + PBFINPBREFPBRINPBFBT1 120/PBEQPBOUTVCC TAPEIN1 AUXINMSLPF 7 LINEOUT1 + + OFF/B 24dB 8 NC 9 NC F1 F3 X1 LPF VCC + NR BIAS X1 TAPE/AUX +
20 MSMODE MS MODE 19 DRSW 18 TAPESW 17 INSW 16 NC
MS ON/ 15 NC OFF DETECT 14 MSOUT 13 DGND

12 MSTC 11 G1FB

10 G2FB

LC75373ED

LTOUT LSIN LS1 LVRIN LCOM LS2 LS3 LT1 LT2 LT3 LSOUT

+ + +

22 LFIN 21 LFOUT

RT1 RT2

RTOUT RSIN RS1

RS2 RS3

R1 R2 R3 R4 RSELO

VDD 39

LSELO L4 L3 L2 L1

20 LROUT

19 VREF DECODER LATCH SHIFT REGISTER CONTROL CE DI CL VSS 14 RROUT

13 RFOUT 12 RFIN

LB1638M

10 N.C.

BA8270F-E2

BUS ON 1

BUS ON SWITCH RESET SWITCH BATTERY SWITCH

14 VCC

CONTROL LOGIC

9 OUTVS 7 OUT2

BATT 3

RST BUS ON CLK IN BU IN

VCC 3 INGND 5

6 N.C.

CLK 4 VREF 5 DATA 6 GND 7

9 DATA IN 8 DATA OUT

BA3918-V2

REGULATOR

OVER VOLTAGE PROTECT + 11

MODE2 MODE1 STB

SECTION 7 EXPLODED VIEWS
NOTE: -XX and -X mean standardized parts, so they may have some difference from the original one. Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE). (RED) Parts Color Cabinet's Color Items marked * are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. The mechanical parts with no reference number in the exploded views are not supplied. Hardware (# mark) list and accessories and packing materials are given in the last of the electrical parts list.

(1) CHASSIS SECTION

not supplied

MG-25F-136

#3 F781

#2 #4 #2

#1 #2 #2

Front panel assy

Ref. No. * 5 * * Part No. 3-018-383-01 3-935-003-01 3-932-205-61 X-3367-636-1 3-010-377-01 A-3313-436-A 3-915-923-01 X-3373-270-1 1-776-207-81 Description
Remark Ref. No. * 10 * * F781 Part No. 3-018-390-01 3-018-389-01 3-935-014-01 3-009-813-01 3-012-859-01 Description BRACKET (IC) HEAT SINK CUSHION (U) CHASSIS CAP (25), RUBBER Remark
PANEL, SUB SPRING, TORSION DOOR, CASSETTE LOCK ASSY INSULATOR MAIN BOARD, COMPLETE SCREW, GROUND POINT COVER ASSY CORD (WITH CONNECTOR) (POWER)
3-937-650-01 PLATE (C), GROUND 3-018-384-01 COLLAR 1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) (10A)

(2) FRONT PANEL SECTION

#5 not supplied (KEY board) #5

LCD901

Ref. No. 51 * 58
Part No. 3-018-930-01 3-014-859-01 3-010-398-01 3-010-395-01 X-3374-697-1
Description KNOB (D-BASS) SHEET (LCD) (T) BUTTON (RELEASE) SPRING (RELEASE) PANEL SUB ASSY

Remark

Ref. No. * 61 * 62 * 63
Part No. 3-010-387-01 3-010-391-01 3-010-375-01 3-018-385-01 3-018-386-01

Description

BUTTON (PRESET) (6. 1. 2. 3. 4. 5. 6. DSPL) BUTTON (L.D) (LCL. DISC. +) SHEET (REFLECTOR) PLATE (LCD), LIGHT GUIDE HOLDER (LCD)
3-010-383-01 BUTTON (SOURCE) 3-010-384-01 BUTTON (M.O.S) (MODE. OFF. = 0. SEEK AMS. + ) +) 3-010-386-11 BUTTON (B.M.+/) (. SEL. +. ATT. BTM)
64 3-010-382-01 PANEL, FRONT BACK * 65 3-015-036-01 CUSHION (BACK PANEL) LCD901 1-801-967-51 DISPLAY PANEL, LIQUID CRYSTAL
(3) MECHANISM DECK SECTION (MG-25F-136)

164 153

152 165
Ref. No. 151 * 152 * * 159 160
Part No. A-3291-667-A 3-019-130-01 3-019-131-01 3-020-539-01 3-020-540-01 3-020-542-01 3-341-753-11 3-020-533-01 3-020-532-01 3-020-534-01
Description CLUTCH (FR) ASSY LEVER (LDG-A) LEVER (LDG-B) SPRING (LD-1), TENSION SPRING (LD-2), TENSION GEAR (LOADING FT) WASHER, POLYETHYLENE HOUSING ARM (SUCTION) HANGER

Ref. No. HP901 M901

Part No. 3-933-346-01 3-933-344-01 3-014-798-01 3-364-151-01 A-3301-267-A 3-017-302-01 3-936-853-01 3-701-437-21 1-500-157-21 A-3291-665-A
Description CATCHER GUIDE (C) SCREW (HEAD), SPECIAL WASHER CHASSIS ASSY (G)
BELT (25) FLYWHEEL (F) WASHER HEAD, MAGNETIC (PLAYBACK) MOTOR ASSY, MAIN (CAPSTAN/REEL)
NOTE: Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. -XX and -X mean standardized parts, so they may have some difference from the original one. RESISTORS All resistors are in ohms. METAL: Metal-film resistor. METAL OXIDE: Metal oxide-film resistor. F: nonflammable
SECTION 8 ELECTRICAL PARTS LIST
Items marked * are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. SEMICONDUCTORS In each case, u: , for example: uA. : A. uPA. : PA. uPB. : PB. uPC. : PC. uPD. : PD. CAPACITORS uF: F COILS uH: H Remark Ref. No. Part No. When indicating parts by reference number, please include the board.

Ref. No.

Part No.
Description KEY BOARD **********
LSW909 1-762-619-11 SWITCH, KEY BOARD (WITH LED)(ATT) LSW910 1-762-619-11 SWITCH, KEY BOARD (WITH LED)(DSPL) LSW911 LSW912 LSW921 LSW922 LSW923 LSW924 LSW925 LSW926 LSW927 LSW929 1-762-619-11 1-762-619-11 1-762-619-11 1-762-619-11 1-762-619-11 1-762-619-11 1-762-619-11 1-762-619-11 1-762-619-11 1-762-619-11 SWITCH, KEY BOARD (WITH LED)(BTM) SWITCH, KEY BOARD (WITH LED)(LCL) SWITCH, KEY BOARD (WITH LED)(6) SWITCH, KEY BOARD (WITH LED)(1/INTRO) SWITCH, KEY BOARD (WITH LED)(2/REPEAT) SWITCH, KEY BOARD (WITH LED)(3/SHUF) SWITCH, KEY BOARD (WITH LED)(6/BL SKIP) SWITCH, KEY BOARD (WITH LED)(5/ATA) SWITCH, KEY BOARD (WITH LED)(4) SWITCH, KEY BOARD (WITH LED) (DISC/PRESET +)

* * * *

3-010-375-01 3-014-857-01 3-018-385-01 3-018-386-01
SHEET (REFLECTOR) SHEET (LCD) (T) PLATE (LCD), LIGHT GUIDE HOLDER (LCD) < CAPACITOR >

C901 C902 C903 C904

1-163-033-00 1-165-319-11 1-165-319-11 1-163-137-00
CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP < CONNECTOR >
0.022uF 0.1uF 0.1uF 680PF

50V 50V 50V 50V

CNP901 1-764-423-11 PIN, CONNECTOR 12P < DIODE > D901 D902 D903 D904 D905 8-719-420-90 8-719-422-64 8-719-422-64 8-719-422-64 8-719-422-64 DIODE DIODE DIODE DIODE DIODE < IC > IC901 8-759-443-68 IC LC75834JED < CHIP CONDUCTOR > JC901 JC902 JC951 JC952 1-216-295-00 1-216-295-00 1-216-296-00 1-216-296-00 SHORT SHORT SHORT SHORT MA8051-M MA8062-M MA8062-M MA8062-M MA8062-M
LSW930 1-762-619-11 SWITCH, KEY BOARD (WITH LED) (DISC/PRESET -) < PILOT LAMP > PL901 PL902 1-517-633-21 LAMP, PILOT (LCD BACK LIGHT) 1-517-633-21 LAMP, PILOT (LCD BACK LIGHT) < RESISTOR > R901 R902 R903 R904 R905 R906 R907 R908 R909 R910 R911 R921 R922 R923 R924 R925 R926 R927 R928 R929 R951 R952 R953 R954 1-216-647-11 1-216-647-11 1-216-647-11 1-216-651-11 1-216-655-11 1-216-655-11 1-216-659-11 1-216-663-11 1-216-667-11 1-216-671-11 1-208-806-11 1-216-647-11 1-216-647-11 1-216-647-11 1-216-651-11 1-216-655-11 1-216-655-11 1-216-659-11 1-216-663-11 1-216-667-11 1-216-190-00 1-216-089-00 1-216-049-11 1-216-049-11 METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES,CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES,CHIP RES,CHIP RES,CHIP RES,CHIP 680 1K 1.5K 1.5K 2.2K 3.3K 4.7K 6.8K 10K 680 1K 1.5K 1.5K 2.2K 3.3K 4.7K 470 47K 1K 1K 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 2% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 0.5% 5% 5% 5% 5% 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/8W 1/10W 1/10W 1/10W
< LIQUID CRYSTAL DISPLAY > LCD901 1-801-967-51 DISPLAY PANEL, LIQUID CRYSTAL < SWITCH > LSW901 1-762-619-11 SWITCH, KEY BOARD (WITH LED)(OFF) LSW902 1-762-619-11 SWITCH, KEY BOARD (WITH LED)(SOURCE) LSW903 1-762-619-11 SWITCH, KEY BOARD (WITH LED) (MODE *) LSW904 1-762-619-11 SWITCH, KEY BOARD (WITH LED)(+ ) +) LSW905 1-762-619-11 SWITCH, KEY BOARD (WITH LED)(= 0 -) LSW906 1-762-619-11 SWITCH, KEY BOARD (WITH LED)(-) LSW907 1-762-619-11 SWITCH, KEY BOARD (WITH LED)(SEL) LSW908 1-762-619-11 SWITCH, KEY BOARD (WITH LED)(+)
Ref. No. R955 R956 R961 R962 R963 R964 R965 R966 R981 R982 R983 R984 Part No. Description 1K 1K 1.5K 3.3K 6.8K 22K 5% 5% 5% 5% 5% 5% 5% 5% 0.5% 0.5% 0.5% 5% Remark 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W Ref. No. C121 C122 C123 C124 C141 C142 C151 C152 C161 C162 C163 C164 C165 C166 C167 C168 C169 C170 C171 C172 C174 C181 C182 C183 C184 C191 C201 C202 C204 C205 C206 C207 C208 C209 C210 C241 C242 C251 C252 C261 C262 C263 C264 C265 C266 C267 C268 C269 C270 C271 C272 C274 C281 C282 C283 C284 C301 C302 Part No. Description 0.1uF 0.022uF 0.1uF 0.1uF 10uF 100PF 0.022uF 2.2uF 1uF 1uF 0.0033uF 0.022uF 10uF 0.15uF 0.15uF 10uF 10PF 10PF 4.7uF 470PF 0.22uF 4.7uF 470PF 100PF 0.22uF 100PF 330PF 330PF 0.01uF 0.22uF 10PF 10PF 4.7uF 100PF 470PF 10uF 100PF 0.022uF 2.2uF 1uF 1uF 0.0033uF 0.022uF 10uF 0.15uF 0.15uF 10uF 10PF 10PF 4.7uF 470PF 0.22uF 4.7uF 470PF 100PF 0.22uF 22uF 10uF 10% 10% 10% 10% 20% 5% 10% 20% 20% 10% 10% 10% 20% 10% 10% 20% 0.5PF 5% 20% 5% 10% 20% 5% 5% 10% 5% 5% 5% 1-216-049-11 RES,CHIP 1-216-049-11 1-216-027-00 1-216-025-00 1-216-025-00 1-216-035-00 1-216-035-00 1-216-033-00 1-216-655-11 1-216-663-11 1-216-671-11 RES,CHIP METAL CHIP RES,CHIP RES,CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP 1-164-004-11 CERAMIC CHIP 1-163-037-11 CERAMIC CHIP 1-164-004-11 CERAMIC CHIP 1-164-004-11 1-126-157-11 1-163-251-11 1-163-037-11 1-124-257-00 1-126-160-11 1-109-982-11 1-164-182-11 1-163-037-11 1-126-157-11 1-164-492-11 1-164-492-11 1-126-157-11 1-163-227-11 1-163-157-00 1-126-163-11 1-163-133-00 1-164-489-11 1-126-163-11 1-163-133-00 1-163-251-11 1-164-489-11 1-163-251-11 1-163-263-11 1-163-263-11 1-164-232-11 1-164-489-11 1-163-227-11 1-163-227-11 1-126-163-11 1-163-251-11 1-163-197-00 1-126-157-11 1-163-251-11 1-163-037-11 1-124-257-00 1-126-160-11 1-109-982-11 1-164-182-11 1-163-037-11 1-126-157-11 1-164-492-11 1-164-492-11 1-126-157-11 1-163-227-11 1-163-227-11 1-126-163-11 1-163-133-00 1-164-489-11 1-126-163-11 1-163-133-00 1-163-251-11 1-164-489-11 1-124-234-00 1-131-359-41 CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELECT

20% 20% 10% 20% 20% 20% 20% 20% 5% 20% 10% 10% 10% 20% 10% 20% 20% 20% 10% 10%

10% 5% 5% 5% 5% 5% 5%

1-164-182-11 CERAMIC CHIP 1-164-004-11 CERAMIC CHIP 1-164-004-11 CERAMIC CHIP
0.0033uF 10% 0.1uF 10% 0.1uF 10%
Ref. No. Part No. Description < IC > IC301 IC331 IC351 IC501 IC551 IC581 IC611 IC751 8-752-079-78 8-759-443-67 8-759-823-87 8-759-493-98 8-759-363-81 IC IC IC IC IC CXA2509AQ-T4 LC75373ED LB1638M uPD17708GC-567-3B9 XC61AN4002PR L501 L781 L901 Remark Ref. No. Part No. Description < COIL > 1-410-509-11 INDUCTOR 1-411-669-12 INDUCTOR 1-410-509-11 INDUCTOR 10uH 0uH 10uH Remark
< TRANSISTOR > Q21 Q22 Q171 Q181 Q271 Q281 Q351 Q352 Q353 Q354 Q355 Q551 Q571 Q581 Q601 Q602 Q603 Q621 Q622 8-729-120-28 8-729-021-94 8-729-920-21 8-729-920-21 8-729-920-21 8-729-920-21 8-729-015-11 8-729-027-23 8-729-900-53 8-729-106-60 8-729-900-53 8-729-027-23 8-729-120-28 8-729-900-53 8-729-423-99 8-729-900-53 8-729-027-23 8-729-027-23 8-729-120-28 TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR < RESISTOR > 2SC1623-L5L6 2SK1657-T1B DTC314TKH04 DTC314TKH04 DTC314TKH04 DTC314TKH04 2SD1802FAST-TL DTA114EKA-T146 DTC114EK 2SB1115A DTC114EK DTA114EKA-T146 2SC1623-L5L6 DTC114EK 2SD2137-OP DTC114EK DTA114EKA-T146 DTA114EKA-T146 2SC1623-L5L6
8-759-449-89 IC BA8270F-E2 8-759-347-49 IC BA3918-V2 8-759-490-74 IC TDA7384 < JACK >

J1 J331 J561

1-764-808-14 JACK (ANT)(ANT IN) 1-774-699-12 JACK, PIN 4P(BUS AUDIO IN/LINE OUT REAR) 1-566-822-41 JACK (REMOTE IN) < CHIP CONDUCTOR >
JC1 JC2 JC3 JC4 JC151 JC161 JC162 JC163 JC164 JC251 JC301 JC302 JC304 JC331 JC351 JC501 JC502 JC503 JC504 JC506 JC507 JC509 JC510 JC561 JC581 JC582 JC601 JC611 JC751 JC781 JC901 JC904 JC961 JC962 JC963 JC990 JC991 JC992 JC993 JC994
1-216-296-00 1-216-295-00 1-216-295-00 1-216-296-00 1-216-296-00 1-216-295-00 1-216-295-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-295-00 1-216-295-00 1-216-296-00 1-216-296-00 1-216-295-00 1-216-296-00 1-216-295-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-295-00 1-216-295-00 1-216-295-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-295-00 1-216-295-00 1-216-295-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-296-00 1-216-295-00
SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT SHORT

1-216-097-00 RES,CHIP 1-216-097-00 RES,CHIP 1-216-097-00 RES,CHIP
Ref. No. Part No. Description < SWITCH > S501 S502 S551 1-571-478-11 SWITCH, SLIDE (POWER SELECT) 1-571-478-11 SWITCH, SLIDE (FREQUENCY SELECT) 1-692-431-21 SWITCH, TACTILE (RESET) < TUNER > TU1 A-3282-034-A TUNER UNIT TUX-010 (E) 506 < VIBRATOR > X501 1-567-713-11 VIBRATOR, CRYSTAL (4.5MHz) ************************************************************ MISCELLANEOUS ************** 9 1-776-207-81 CORD (WITH CONNECTOR) (POWER) F781 1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) (10A) HP901 1-500-157-21 HEAD, MAGNETIC (PLAYBACK) M901 A-3291-665-A MOTOR ASSY, MAIN (CAPSTAN/REEL) ************************************************************ ************** HARDWARE LIST ************** #1 #2 #3 #4 #5 7-621-772-10 7-685-793-09 7-685-792-09 7-685-794-09 7-685-106-19 SCREW +B 2X4 SCREW +PTT 2.6X8 (S) SCREW +PTT 2.6X6 (S) SCREW +PTT 2.6X10 (S) SCREW +P 2X10 TYPE2 NON-SLIT 3-018-384-01 COLLAR Remark Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS ************************************** 505 3-916-161-31 X-3370-077-1 X-3371-913-1 1-776-207-81 X-3373-432-1 FRAME ASSY SCREW ASSY (AE.KEY), FITTING SCREW ASSY (J) CORD (WITH CONNECTOR) (POWER) BRACKET ASSY
#6 7-624-104-04 STOP RING 2.0, TYPE-E #7 7-627-553-17 PRECISION SCREW +P 2X2 TYPE 3 ************************************************************ ACCESSORIES & PACKING MATERIALS ******************************** 1-473-067-71 REMOTE COMMANDER (RM-X4S) 3-861-691-11 MANUAL, INSTRUCTION (ENGLISH, SPANISH, CHINESE) 3-861-692-11 MANUAL, INSTRUCTION, INSTALL (ENGLISH, SPANISH, CHINESE) X-3373-412-1 CASE (PANEL) ASSY (for FRONT PANEL) ************************************************************

Sony Corporation

9-925-789-11
Personal & Mobile Communication Company
98B0523-1 Printed in Japan 1998. 2 Published by Quality Assurance Dept.

XR-C5090

SERVICE MANUAL

E Model

Refer to RM-X4S SERVICE MANUAL (9-925-698-) issued previously for information of remote commander (RM-X4S) supplied with this set
Model Name Using Similar Mechanism Tape Transport Mechanism Type

XR-C340 MG-25F-136

SPECIFICATIONS
FM/AM CASSETTE CAR STEREO

MICROFILM

SECTION 6 DIAGRAMS
6-1. IC PIN FUNCTION DESCRIPTION
MAIN BOARD IC501 PD17708GC-567-3B9 (SYSTEM CONTROLLER) Pin No. Pin Name AMSSEL POS3 POS2 POS0 POS1 TAPEON CM ON LM LOD LM EJ TUNON FM ON PW ON MUT VOLCE VOLCKO VOLSO AMPON AMPMUT DX/LO AM MONO GND DSTSEL DBASIN KEYIN1 I/O I I I I I O O O O O O O O O O O O O O O I I I Tape system power supply on/off control signal output terminal H: tape on Capstan/reel motor (M901) drive signal output terminal H: motor on Loading/tape operation motor control signal output to the LB1638M (IC351) (For the loading direction and forward side operation) *1 Loading/tape operation motor control signal output to the LB1638M (IC351) (For the eject direction and reverse side operation) *1 Tuner system power supply on/off control signal output to the BA3918 (IC611) H: tuner on FM system power supply on/off control signal output to the BA3918 (IC611) H: FM on Main system power supply on/off control signal output to the BA3918 (IC611) H: power on Line muting control signal output terminal H: line muting on Chip enable signal output to the electrical volume (IC331) Serial data transfer clock signal output to the electrical volume (IC331) Serial data output to the electrical volume (IC331) Standby control signal output to the power amplifier (IC751) L: standby Muting control signal output to the power amplifier (IC751) L: muting on Local/DX selection signal output to the FM/AM tuner unit (TU1) L: DX, H: local AM forced monaural signal output terminal Not used (open) Ground terminal Destination setting terminal (frequency select switch (S502) input terminal) L: AM 9k step or FM 50k step, H: AM 10k step or FM 200k step D-BASS switch (SW951) input (A/D input) Key input terminal (A/D input) 6, INTRO 1, REPEAT 2, SHUF 3, BL SKIP 6, ATA 5, 4, PRESET DISC +/ keys input (LSW921 to LSW927, LSW929 and LSW930) Key input terminal (A/D input) OFF, SOURCE, MODE *, + ) + SEEK AMS, = 0 SEEK AMS, VOLUME , SEL, VOLUME +, ATT , DSPL, BTM, LCL keys input (LSW901 to LSW912) Rotary remote commander shift key A/D input terminal FM and AM signal meter voltage detection input from the FM/AM tuner unit (TU1) AM intermediate frequency detection signal input from the FM/AM tuner unit (TU1) FM intermediate frequency detection signal input from the FM/AM tuner unit (TU1) Power supply terminal (+5V) FM local oscillator detection signal input from the FM/AM tuner unit (TU1) AM local oscillator detection signal input from the FM/AM tuner unit (TU1) Ground terminal Not used (open) Main charge-pump control signal output terminal Setting terminal for the test (fixed at L) Not used (open) Seek control signal output to the FM/AM tuner unit (TU1) MW/SW selection signal output to the FM/AM tuner unit (TU1) L: MW, H: SW Beep sound output terminal Tape position detect input from tape operation switch on the mechanism block Function Setting terminal for the AMS selection fixed at L

KEYIN0 RC IN0 VSM AMIFIN FMIFIN VDD2 FM OSC AM OSC GND NCO EO1 TEST0 NCO SEKOUT MW/SW BEEP
I I I I I I I O O I O O O O

Pin No. 41 42

Pin Name KEYACK BU IN

I/O I I

Function Input of acknowledge signal for the key entry Acknowledge signal is input to accept function and eject keys in the power off status On at input of H Battery detect signal input terminal H: battery on METAL control in/out terminal At initial mode: auto/manual mode selection input of METAL function L: manual mode At manual mode: METAL on/off control signal output terminal (H output: METAL on) At auto mode: input at MTLIN (pin %) Not used this function in this set (fixed at H) Dolby control in/out terminal At initial mode: valid/invalid selection input of dolby function (L input: valid) At normal mode: dolby on/off control signal output (H output : dolby on) Not used this function in this set (fixed at H) Whether a music is present or not from CXA2509AQ (IC301) is detected at auto music sensor L: music is present, H: music is not present Input of FM stereo detection signal from FM/AM tuner unit (TU1), and output of forced monaural control signal to FM/AM tuner unit (TU1) (Commonly used for stereo display input and forced monaural output) FM stereo detection at input of L, forced monaural at output of L Tape auto music sensor control signal output to the CXA2509AQ (IC301) L is output to lower the gain for audio level at FF/REW Forward/reverse direction control signal output to the CXA2509AQ (IC301) L: forward direction, H: reverse direction Tape muting on/off control signal output to the CXA2509AQ (IC301) H: tape muting on Power supply on/off control signal output terminal at the illumination and liquid crystal display driver (IC901) H: power on At power select switch (S501) on mode: H output at the accessory on At power select switch (S501) off mode: H output at the power on Station detector detect input from the FM/AM tuner unit (TU1) Stop level for SEEK, BTM, etc. is determined SD is present at input of H Detects the removal of the attaching and removing type front panel block L: attaching Telephone muting signal input terminal At input of L, the signal is attenuated by 20 dB Reel table rotation detect signal input from the take-up and supply reel sensor Accessory detect signal input terminal L: accessory on Setting terminal for the test mode L: test mode (normally fixed at H) Rotary remote commander shift key A/D input terminal Power select switch (S501) input terminal L: position A (halt mode), H: position B (operation mode) Input terminal to set whether the auto metal function is present or not L: auto metal function is present (fixed at H) Power supply on/off control signal output for the A/D conversion Setting terminal for the key (fixed at H) Active selection terminal for the SEKOUT (pin #) (fixed at H) Setting terminal for the illumination color L: amber, H: green (fixed at H) Chip enable output to the liquid crystal display driver (IC901) Serial data transfer clock signal output to the liquid crystal display driver (IC901) Serial data output to the liquid crystal display driver (IC901) Blank indicate control signal output to the liquid crystal display driver (IC901) L: no display Serial data reading clock signal input terminal (for SONY bus) Serial data output to the bus interface (IC581) (for SONY bus)

MTLSEL

AMS ON N/R OUT TAPMUT
SD IN NOSESW TELMUT REL T ACCIN TESTIN RC IN1 PW SEL MTLIN ADON KEYSEL SEKOUTSEL COLORSEL LCDCE LCDCKO LCDSO LCDINH UNICKI UNISO
I I I I I I I I I O I I I O O O O I O

Pin No. 80

Pin Name UNISI UNICKO BUSON SYSRST VREG GND X OUT X IN CE VDD1 RESET

I/O I O O O O O I I I

Function Serial data input from the bus interface (IC581) (for SONY bus) Serial data transfer clock signal output to the bus interface (IC581) (for SONY bus) Bus on/off control signal output to the bus interface (IC581) (for SONY bus) L: bus on Reset signal output to the bus interface (IC581) (for SONY bus) L: reset CPU regulator output terminal Connected to capacitor Ground terminal Main system clock output terminal (4.5 MHz) Main system clock input terminal (4.5 MHz) CPU chip enable signal input (fixed at H) Power supply terminal (+5V) System reset signal input from the reset signal generator (IC551) and reset switch (S551) L is input for several 100 msec after power on, then it changes to H
*1 loading/tape operation motor control MODE TERMINAL LM LOD (pin 8) LM EJ (pin 9) STOP L L LOADING/ FORWARD H L EJECT/ REVERSE L H BRAKE H H
IC Block Diagrams MAIN Board IC301 CXA2509AQ-T4
LINEOUT2 TAPEIN2 PBOUT2 AUXIN2 MSSW PBEQ2 DIREF GND

NC 24dB

120/70 T2 + PBFBPBRINPBREFPBFINF2 TAPE EQ FWD/RVS VCT 35 PBGND 36 VCT + PBFINPBREFPBRINPBFBT1 120/PBEQPBOUTVCC TAPEIN1 AUXINMSLPF 7 LINEOUT1 + + OFF/B 24dB 8 NC 9 NC F1 F3 X1 LPF VCC + NR BIAS X1 TAPE/AUX +
20 MSMODE MS MODE 19 DRSW 18 TAPESW 17 INSW 16 NC
MS ON/ 15 NC OFF DETECT 14 MSOUT 13 DGND

12 MSTC 11 G1FB

10 G2FB

LC75373ED

LTOUT LSIN LS1 LVRIN LCOM LS2 LS3 LT1 LT2 LT3 LSOUT

+ + +

22 LFIN 21 LFOUT

RT1 RT2

RTOUT RSIN RS1

RS2 RS3

R1 R2 R3 R4 RSELO

VDD 39

LSELO L4 L3 L2 L1

20 LROUT

19 VREF DECODER LATCH SHIFT REGISTER CONTROL CE DI CL VSS 14 RROUT

13 RFOUT 12 RFIN

LB1638M

10 N.C.

BA8270F-E2

BUS ON 1

BUS ON SWITCH RESET SWITCH BATTERY SWITCH

14 VCC

CONTROL LOGIC

9 OUTVS 7 OUT2

BATT 3

RST BUS ON CLK IN BU IN

VCC 3 INGND 5

6 N.C.

CLK 4 VREF 5 DATA 6 GND 7

9 DATA IN 8 DATA OUT

BA3918-V2

REGULATOR

OVER VOLTAGE PROTECT + 11

MODE2 MODE1 STB