Service Manual

SR3000
SR3000 /N1B, /U1B SR4000 /K1B, /K1G, /N1B, /U1B AV Surround Receiver

SR4000

TABLE OF CONTENTS SECTION
2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18.
1. LOCATION OF PRINTED CIRCUIT BOARDS/VERSION VARIATIONS.. 1-1 TECHNICAL SPECIFICATION.... 1-3 SERVICE TOOL/MEASUREMENT SET UP/SAFETY... 1-5 WARNING/HANDLING CHIP COMPONENTS.... 1-6 DISMANTLING HINTS.... 2-1 ABREVIATIONS.... 2-2 WIRING DIAGRAM..... 3-1 BLOCK DIAGRAM..... 4-1 SERVICE TEST PROGRAM.... 5-1 FRONT BOARD..... 6-1 TUNER BOARD ECO5....7B-1 TUNER 95 BOARD.... 7D-1 DOLBY PROLOGIC BOARD.... 8-1 MULTI-CHANNEL DECODING MODULE.... 9-1 MAINS BOARD.... 10-1 MONO BOARD.... 11-1 EXPLODED VIEW.... 12-1 ELECTRICAL PARTS LIST MONO BOARD.... 13-1 Please use this service manual with referring to the user guide (D.F.U) without fail.

SR3000 / SR4000

283W855010 ACT 22200 First Issue:2000.03
MARANTZ DESIGN AND SERVICE
Using superior design and selected high grade components, MARANTZ company has created the ultimate in stereo sound. Only original MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for which it is famous. Parts for your MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent.

ORDERING PARTS :

Parts can be ordered either by mail or by Fax. In both cases, the correct part number has to be specified. The following information must be supplied to eliminate delays in processing your order : 1. Complete address 2. Complete part numbers and quantities required 3. Description of parts 4. Model number for which part is required 5. Way of shipment 6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void.
MARANTZ AMERICA, INC INC. 440 MEDINAH ROAD ROSELLE, ILLINOIS 60172 USA PHONE : 630 - 307 - 3100 FAX : 630 - 307 - 2687

EUROPE / TRADING

MARANTZ EUROPE B.V. P.O.BOX 80002, BUILDING SFFJB EINDHOVEN THE NETHERLANDS PHONE : +31 - 40 - 2732241 FAX : +31 - 40 - 2735578

BRAZIL

PHILIP DA AMAZONIA IND. ELET. ITDA CENTRO DE INFORMACOES AO CEP 04698-970 SAO PAULO, SP, BRAZIL PHONE : 0800 - 123123(Discagem Direta Gratuita) FAX : +534. 8988

AMERICAS

SUPERSCOPE TECHNOLOGIES, INC. MARANTZ PROFESSIONAL PRODUCTS 2640 WHITE OAK CIRCLE, SUITE A AURORA, ILLINOIS 60504 USA PHONE : 630 - 820 - 4800 FAX : 630 - 820 - 8103

AUSTRALIA

TECHNICAL AUDIO GROUP PTY, LTD 558 DARLING STREET, BALMAIN, NSW 2041, AUSTRALIA PHONE : 61 - 2 - 9810 - 5300 FAX : 61 - 2 - 9810 - 5355

CANADA

LENBROOK INDUSTRIES LIMITED 633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1 CANADA PHONE : 905 - 831 - 6333 FAX : 905 - 831 - 6936
JAMO AUSTRALIA PTY LTD 1 EXPO COURT, P.O. BOX 350 MT. WAVERLEY VIC 3149 AUSTRALIA PHONE : +61 - 3 - 9543 - 1522 FAX : +61 - 3 - 9543 - 3677

THAILAND

MRZ STANDARD CO.,LTD 746 - 754 MAHACHAI ROAD., WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILAND PHONE : +66 - 2 - FAX : +66 - 2 - 224 6795

HANDLING CHIP COMPONENTS

DISMANTLING HINTS
Dismantling of Front Dismantling of mono board
1) Remove front. See picture 1 2) Remove whole front (disconnect the wires on the mono board coming from front)
Service position monoboard
1) Bring front in position as shown in picture 6 2) Snap nok of front in bottom to make front stable. See picture 7 3) Connect front wiring back to monoboard. *The tuner module doesn't have to be connected. Use an other source (pe.CD)

Power rod 1 snap 1 1

2 snap 3

picture 3a (SR3000)

picture 3b (SR4000) picture 7

picture 1

3) Remove 8 (SR3000) x screws shown in mentionned aria. See picture 3a 3) Remove 12 (SR4000) x screws shown in mentionned aria. See picture 3b
1) Remove top cover 2) Remove power rod 3) Remove 6 x screw as shown in picture 1 4) Release two snaps (left & right side front) 5) Release two snaps on the bottom side front 6) Tipp down front as shown in picture 2

picture 6

cable-sleeve

Dpl bracket 3 1

Service position main trafo

picture 4a (SR3000 Only)

Metal bracket 1 1

picture 4

picture 2
4) Remove DPL bracket. See picture 4a (SR3000 Only) 5) Remove wires out the cable-sleeve. 6) Remove 7 x screw and remove metal bracket 7) Remove 2 x screw on mono board. See pictue 4 8) Remove mono board as shown arrow 1 & 2. See picture 4 9) Bring the mono board in the service position as shown in picture 5
1) Put main trafo as shown in picture 9

picture 9

Handling service cover
Dismantling of mainstrafo

Legend

picture 5 = Torx M3x6mm ( screw with big head ) = Torx 3x10mm 3 = Torx M3x6mm
picture 10 picture 2 1) To open the service cover cut 14 x lugs between cover and bottem. See picture 10 ( 2) To close the service cover put 12 x screw in mentionned holes. See picture 10 Service codenumber 12x Torx M3x6mm screw with big head = 14659 )
1) Remove power rod 2) Remove 4x screw as shown in picture 8
Dismantling of MDM module (SR4000 Only)
1) Remove all the screws mentionned in the arial. See picture 11

ABBREVIATIONS

A ac 0VA ac 10VB ac 110VB ac 120VB ac gnd ac h1 ac h2 ac l1 ac l2 ac1 ac2 ac3 amp lr on amp mute c s amp mute c s sub
amp mute lr amp pd amp prot amp s on amp stby av gnd av l av r A/V AC 0 Voltage AC 10 Voltage AC 110 Voltage AC 120 Voltage AC ground AC high voltage 1 AC high voltage 2 AC low voltage 1 AC low voltage 2 AC voltage 1 AC voltage 2 AC voltage 3 Amplifier Left - Right On Amplifier mute center surround Amplifier mute center surround subwoofer Amplifier mute Left - Right Amplifier power down Amplifier protection Amplifier surround On Amplifier Standby Audio ground Audio Left Audio Right Audio/Video

M mdm mdm c out mdm gnd mdm l dmix mdm l in mdm l out mdm r dmix mdm r in mdm r out mdm req mdm rst mdm scl mdm sda mdm sl out mdm sr out mdm sub out mfd
Multi channel Decoding Module Center out ground Downmix Left Left in Left out Downmix Right Right in Right out request reset I2C clock I2C data surround Left out surround Right out subwoofer out Mains failure detection

picture11

P p gnd p p50 S s gnd sofac scl sofac1 sda1 sofac2 sda2 ss ce ss clk ss data surr pre-out T tu clk tu da tu en tu gnd tu l tu r tu rds tu stereo V v gnd v scl v sda v sig v sub sur
P50 ground Cinema link P50 code
2) Remove backplate a little backwards. See arrow 1 (picture 12) 3) Pull module out the set as shown in picture 12
D d gnd dd req dpl c out dpl clk dpl gnd dpl l in dpl l out dpl r in dpl r out dpl s dpl sub F f1 f2 fmute G gnd d gnd s H hp gnd hp l hp on hp r hst L ls c ls gnd ls l ls r
Dolby ground Dolby decoder request Dolbyprologic Center out Dolbyprologic clock Dolbyprologic ground Dolbyprologic Left in Dolbyprologic Left out Dolbyprologic Right in Dolbyprologic Right out Dolbyprologic surround Dolbyprologic subwoofer
Surround ground Sofac I2C clock Sofac 1 I2C data1 Sofac 2 I2C data2 Source selector chipenable Source selector clock Source selector data Surround pre-out
Filament 1 Filament 2 Fast mute
Tuner clock Tuner data Tuner enable Tuner ground Tuner Left Tuner Right Tuner RDS Tuner stereo
Ground digital Ground signal
Video ground Video I2C clock Video I2C data Video signal Video subwoofer surround

picture12

Headphone ground Headphone Left Headphone On Headphone Right Heatsink temperature
= Torx M3x6mm ( screw with big head ) = Torx 3x10mm 3 = Torx M3x6mm
Loudspeaker Center Loudspeaker ground Loudspeaker Left Loudspeaker Right
WIRING DIAGRAM SR3000 TUNER

4 XH 6 XH 4 XH

DOLBY PRO LOGIC
dpl ---Left out ---Ground ---Right out ---Ground ---Center ---Ground ---Surround ---Surround ---Subwoofer out dpl ---Data ---Request ---Clock --- + 9V ---Ground --- + 5V ---Right In ---Ground ---Left In

relay mfd +v gnd_s

tu_stereo tu_clk tu_da tu_en tu_rds tu_gnd

only in RDS

tu_l tu_gnd tu_r +12 8206

XH 9 JQ 9 JQ

1522 1254

6 DM 4 DM

1401only in
RDS version 1433 not in RDS version

1511 1520

ss ce ss clk ss data sofac scl sofac1 sda1 sofac2 sda2 dpl clk amp s on amp lr on d gnd amp prot amp mute lr amp mute c s dd reset dd req

ac_A ac_fuse

ac_0VA ac_120VB ac_110VB ac_10VB 8076

15 FFC

-VL ls_gnd ls_gnd gnd +VL

only/K

Stby Led

PRIM. TRAFO

hp_gnd hp_ r hp_ l

1902 8406

amp stby amp pd +5 +5D ground d -30 f1 f2

1251 8008

5 EH 5 EH

SEC. TRAFO

ac_h1 ac_l1 ac_gnd ac_l2 ac_h2

1073 1253

3 EH 3 EH

ac1 ac2 ac3

hp_on hp_gnd hp_ r hp_ l

f1 f2 amp_prot gnd_s

8410 8408

7 DM 2 DM

surr.pre out s_gnd
ls_l ls_gnd ls_r ls_gnd ls_c ls_gnd

HEADPHONE

P50 Board

Click fit Terminal

p_p50 p_gnd

WIRING DIAGRAM SR4000

mdm ---Left out ---Ground ---Right out ---Ground ---Center out ---Ground ---Surround left ---Surround right ---Subwoofer out ---Downmix left ---Downmix gnd ---Downmix right mdm ---Reset ---Request ---Sda ---Scl ---Ground --- + 5V ---Right In ---Ground ---Left In

XH 12/JQ 9JQ

1521 1254
ssce ssclk ssdata sofac scl sofac1 sda1 sofac2 sda2 dpl clk amp s on amp lr on d ground amp prot amp mute lr amp mute c/s/ sub dd reset dd req
av_ r av_gnd av_ l hp_ gnd hp_ r hp_ l

5 EH 5EH 5 EH

av_ r av_gnd av_ l hp_ on hp_gnd hp_ r hp_ l
p_p50 p_gnd v_sda v_scl v_gnd v_sig
+5 +12 v_gnd subw.pre out s_gnd

HEADPHONE + FRONT AV

P50 Board & VIDEO SELECTOR

SCREW TERM

v_gnd v_sig

BLOCK DIAGRAM SR3000

+12V +12V

ECO5/ Tuner 95

CD CDR/TAPE VCR TV FRONT AV CDR/Tape VCR

Tuner control

7621/7622

Headphone

ATT ATT ATT ATT ATT

Headphone ON L

7601 7641

+5Vmute

IN GAIN

VOL LOUD

BASS MID TREBLE

SPKR ATT

7651/7652 7657

MUTE Sofac control

+ + + PTC hst

DPL DECODER

R LOGIC CONTROL C SUB S +9V

Record path

LOGIC Source selctor control DPL control

Amp-ON C

IN GAIN VOL LOUD BASS MID TREBLE SPKR ATT

Center

6CH/DVD Input

Front L/R C/SUB SL/SR

ATT ATT ATT

7653/7654 7658

C/Sub C/Sub

FRONT PART SR4000

1401 stereo tu clk 1 +5D +5D D D 220p stereo tu clk tu de tu en 2439 From Tuner 220p D 3413 1k 2402 330p 2410 From Tuner 22n D 2407 470p D CLOCKED COMPARATOR COSTAS LOOP VARIABLE AND FIXED DIVIDER BIPHASE SYMBOL DECODER DIFFERENTIAL DECODER RDDA 220p D 4 Mux ANTI ALIASING FILTER 57 kHz BANDPASS (8th ORDER) RECONSTRUCTION FILTER 7404 SAA6579T 2442 47p D 13 OscI OSCILLATOR AND DIVIDER 1400 AT-5I 4M220k 14 OscO QUALITY BIT GENERATOR +5D +5 +5

220p 7402 PDTA144ET

+5D amp stby D D stereo tu clk 22n D 5

7415 TMP87CS71F

amp pd

ss data

ss clk

$ 1439 hp l 1

1k 3423
3420 hp r +5 +5 +5D 7405 M24CVcc SDA SCL WC_ Vss 4 D E0 E1 ED av l av gnd av r 7 A 2448 To/From 1515 Volume Control Part + Source Slector Part 1n A A A 1 Video In Audio Right In Audio Left In hp gnd 22n
80 I/O P5 6-BIT A/D CONVERTER 1k 2454 22n D I/O P69 +5 D

2443 47p D Qual 1441 1

3404 D

1402 P5 D +5D +5D P50

3422 10k

I/O P4

CLOCK REGENERATION AND SYNC Vssd 11 D V sig V gnd Only in sets with RDS Cin 560p SCout 8
V sda V scl V sig 3501 470E 3500 470E

2449 1n A

3401 Vddd 22n D +5 Vdda 22 Vssa 6 D

7403 3416

1407 D 3409 1k 3415 0E 100k D amp prot 3426 1k +5D 73 I/O PI/O P58 S13

3400 2400

TREB V sig 2

3477 V

S12 S11 S10 S9 S8

+5D +5D 22

s sel 1 s sel 220E 3469 220E
+5D 1422 EC16 Only in sets with RDS 2 D MT4 D MTD Not in sets with RDS Only sets with DVD input * Not ininsets with P50 function Not in sets with RDS $ Not in FR970

+5D +5D +5D

sofac scl sofac1 sda1 sofac2 sda2
3493 470E 3494 470E 3495 470E
3406 sofac scl +5 sofac1 sda1

hp on 2413 22n +5D

54 I/O P52
S6 MENU S5 S4 S3 nav 2 S2 S1 Sv cont 330E 6420 1N4148 FRONT A/V v cont 330E 6419 1N4148 CINEMA SURR ON/OFF MODE 6414 1N3453 330E nav 1 ENTER HALL
sofac2 sda220p D 3407 ss ce ss clk +5 ss data amp prot dd req +5D 3445 330E 2436 220p D 2437 220p D

buffer amplifier

3140 and 5120 provisional as alternative
2140 exchanged by 2164 (SMD type 0805) from layout stage 3317.9 onwards respectively 3380.1 and 3396.1

3178z 3M3

3147 3M3

7125 z BC848C

T030 T031
1130 z 1131 z V+ stereo STSIG VCO-kill

Low=AM mono 4 P0

220n J T011

2135 x 220n

T034 T035 T036

15n_y22n

AM-OSCILLATOR

6 HN1V02H 3 6105

L-out L-FM R-FM +FM GND AM-IF

to/from AM-stereo module

2137 x

T038 K

3132 47R

9117 u

22p w_27p

Signal path

10p_w 3134 22k 560p

w 3125 10k

w 7124 BC848C

2123 w

BC858B

3128 w 2k2

7122 w BC848C

3137 22k

2160 u

3180 22k

P0 MW=high

Chip jumper

r.for RDS version only s.for East European version (/14/34) only t.for Japanese version (/06/26) only u.for 2-band (FM/AM) version only v.for SW-version 3.9-12.1MHz only w.for LW only x.not for all versions y.for USA version (/17/37) only z.for AM-STEREO (/06/13/26/33) versions only
AM MPX (Audio Frequency) AF - left/right
Vdc FM mode stereo Vdc MW mode Vdc LW mode
Voltages measured while set is tuned to a strong transmitter
ECO5 systems, discr.coil, 030998
1101 A B D EGEIIC G D B F G G G CLNMMG GCC HIIHJJJJHHHHHIHGFFFCBF E E D MF MDEHC GFI E E C BC E F F CBC M M M L MMIGG IIHIIHHHHGFFFEEGGFHBJ IIIMG F G BBKL E F BBAABCI HFMLE D C C KE C HGE D GD I E F M FBM MIB C LA 4

4p7 2155

3123 w 4k7
ELECTRICAL PARTSLIST TUNER

MISCELLANEOUS 267 10283

RESISTORS

only for /17 not for /17

SOCKET 2-POLE CLICKFIT, 300 SOCKET COAX, IEC 75
CAPACITORS 100pF 47pF 10nF 1nF 100pF 5% 5% 20% 10% 10% 50V 63V 50V 50V 50V

not for /17 only for /17

051 10008
100k TRIMPOT LIN. 2,2k 1% 0,1W 5% 0,1W 5% 0,16W 5% 0,1W 470 100k 100k 220 150k 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 0,5W 0,1W 0,1W 0,5W 0,16W 0,16W 0,16W 0,16W 0,1W 0,1W

Waverange FM (50) Input frequency Input Set tuned to 108 MHz 87.5 MHz 1602 kHz 531 kHz 279 kHz 153 kHz 98 MHz 1mV continuous wave Adjust check check 5123 check 5122 check

Output

Scope / Voltmeter 7. 9V 1.3. 2V 8.3V 0.2V 1V 0.4V 8.3V 0.2V 1V 0.4V
VARICAP ALIGNMENT 87.5 - 108 MHz MW (9) 531 - 1602 kHz LW (3) 153 - 279 kHz FM DETECTION
short pin 21 (IC7101) to ground

98 MHz

0mV 3mV

FM VCO 98 MHz 1 mV

continuous wave DISTORTION 98 MHz 1 mV 90 % L + 9 % pilot mod = 1kHz

152kHz 1 kHz

mixcoil inside Tuner 1110

Distortion minimum

AM IF 450kHz f = 10kHz 5111

100nF 50E

Low as possible Swept signal

symmetrical and

max. height
450kHz continuous wave AM - RF 558kHz Mod = 1kHz 30 % AM 1494 kHz 198kHz mod = 1kHz 30 % AM

0mV 2mV

558kHz

5102 MAX

1494kHz * 198kHz

adjtable for 04121/04341

* Signal send via a frame antenna (.) = tuning grid in kHz

repeat

BLOCKDIAGRAM

10,7MHz

AM-DET

1121 VCC2

450kHz VCCVCC1 VDD 23 VDD 35 FM-IFV Stab B 40 AM-MIX Out AM-IF1 In

450kHz AM-IF2

450kHz 5114

TEA5762

6 +B 3 AGC 32 AM-AFC 19 AFC20 AFC+ 22 VCC2 WRITE Enable STABILIZER AFC DATA CLOCK 27 RDS FM-IF2I V Stab A

GND RDS ENABLE

FM FRONTEND

DATA CLOCK STEREO

1 Ant1 Fa F if 10,7 MHz Fo 4 GND Osc Out 8 CHARGE PUMP 5 FM Osc. IF Out 7

FM-IF1I In

FM IF1

FM IF2

AM DET CONTROL
PFM/AM P0 Mono/ Stereo Left 39

1124 1

f0 = fin + fif

8 I-Tune AM OSC. 2 AM-RF

AM FRONTEND

FM DET STEREO DECODER

AM MIXER

Right AGC XTAL OSC

PILOT Filter
Ripple AM-Osc. 6 FM GND 3 RF GND 4 IF GND 17 Dig. GND RF GND FM-Demod 18 AGC 44 AF-Out 10
Fieldstrength Indc. 21 25

MPX-In 11

LPF 12

AM-OSC

5102 MW LW

5123 MW 5122 LW

ANTI BIRDY FILTER VC0

MW/LW-SELECTION

2102 2106

0V MW LW

04120 bl. 130 - 217 04121/04341 bl. 130 - 01
ELECTRICAL PARTS LIST - TUNER 95 BOARD
MISCELLANEOUS CAPACITORS 124 81151
Socket Coaxial IEC 75R JST Connector 2 pin Frontend Assembly FE415-G23
47F 20% 25V Trimmer 5,2-30pF 100V 470nF 5% 63V 82pF 1% 63V 27pF 1% 63V 33pF 5% 50V 3,9nF 10% 63V 560P 1% 630V 220nF +80/-20% 50V 10F 20% 50V 1F 20% 63V 22nF +80/-20% 25V 470nF 16V 470nF 16V 1F 20% 63V 15nF 5% 63V 220nF +80/-20% 50V 15nF 5% 63V 220nF +80/-20% 50V 2,2F 20% 50V 470nF 5% 63V 100nF 20% 63V 100nF 20% 63V 220nF +80/-20% 50V 1F 20% 63V 220pF 5% 50V 220pF 5% 50V 22nF 20% 50V 100nF 20% 63V 50V 15pF 5% 82pF 1% 63V 100nF 20% 63V 12pF 2% 63V 1nF 10% 50V 22F 50V
0R 5% 0,25W 0R 5% 0,25W 0R Jumper 0805 22k 5% 0,1W 10k 1% 0,1W 0R Jumper 0805 0R 5% 0,25W 330R 5% 0,1W 56k 5% 0,1W Trimmer 100k 30% 0,1W 22k 5% 0,1W 1k 2% 0,25W 2k2 1% 0,1W 47R 5% 0,1W 4k7 5% 0,1W 68k 5% 0,1W 470R 5% 0,1W 470R 5% 0,1W 220R 5% 0,5W 330R 5% 0,5W 470R 5% 0,5W 470R 5% 0,5W 470R 5% 0,5W 470R 5% 0,5W 220k 5% 0,1W 0R 5% 0,25W 4R7 5% 0,33W 0R 5% 0,25W 220R 5% 0,5W 0R Jumper 0805 0R Jumper 0805 0R 5% 0,25W 0R Jumper 0805 0R Jumper 0805 22k 5% 0,1W 0R 5% 0,25W 0R 5% 0,25W 0R 5% 0,25W 0R 5% 0,25W 1k 2% 0,25W 0R 5% 0,25W 0R Jumper 0805 4k7 5% 0,1W
AM-IF Filter 450kHz Anti-Birdy Filter Xtal Resonator 75kHz RF Coil AM RF Coil AM
DIODES HN1V02H-B BZX79-B11 1N4148
TRANSISTORS & INTEGRATED CIRCUITS TEA5762H/V42513 BC858C BC338-44779 BC338-42136 BC858B BC858B BC848C BC848C
Note: Only the parts mentioned in this list are normal service spare parts.

051 20472

RESISTORS 051 20008
0R Jumper 0805 1k 2% 0,25W 82R 5% 0,1W 2k2 1% 0,1W 2k2 1% 0,1W 0R 5% 0,25W 0R 5% 0,25W 10k 5% 0,5W 2k2 5% 0,5W 0R Jumper 0805
COILS & FILTERS 157 70302
MW AERIAL LW AERIAL FM Discriminator 10,7MHz Ceram Filter 10,7MHz Ceram Filter 10,7MHz AM-IF Filter 450kHz AM-IF Filter 450kHz

PCS 96 923

DOLBY PROLOGIC BOARD
TABLE OF CONTENTS Test description.. Circuit diagram... Component layout... Partslist... 8-2 8-5 8-6 8-7
DOLBY PROLOGIC TEST DESCRIPTION
- The intention of this description is to explain the most important performance measurements for DPL (Dolby Pro-Logic) sets for service. - Test instruments (recommended) : - Dolby Prologic test CD 10216 - AC mv meters (4x) L, C, R, S - Oscilloscope (double beam) - Distortion meter - CD player.

7503b NJM4560M 7

2517 100p

VCR Rec R

2546 100p

3524 CD

3525 39k

CD 2519

VCR Play R
100p IN 47 IN 2552 100n IN
To / From Volume Control Part
SAT 39k 4502 SAT 3529 470E

100p SAT 2520 100p SAT

3527 SAT

3542 IN

3528 SAT
VCR Rec L 2521 ss ce ss clk VCR Rec R ss data

VCR Out

TAPE 3530 470E

100p TAPE 2522 100p

VCR In

3531 39k

TAPE 2932

VCR Play L

TAPE 39k 4503 TAPE

100p TAPE 2933 100p TAPE

3533 TAPE VCR Play R
3534 +12 TAPE 3553 270E 2555 100n D 12sel FAV Front AV R D 2556 100n D +12sel
1515 Front AV L 18k Front AV L 270E

5 FAV Front AV R 18k

2523 100p FAV 2524 100p

3550 FAV

Only in FR755
SOURCE SELECTOR PART FR735 - FR/ 05940 / 05960 LEU0160 9926
3556 A1 B1 E1 H1 K1 L1 B15 F15 L14 A3 B3 C3 C3 D3 E3 F3 F3 G3 G3 H3 I3 K3 L3 N3 O3 K16 N16 K16 N16 B14 F14 C15 E15 C16 E16 C15 E15 B16 F16 B16 F16 D6 E6 D6 E6 D9 I6 N6 N14 M3 M3 M4 M4 K5 L5 K5 L5 K6 L6 J7 M7 J8 M8 J5 M5 L15 M15 L16 M16 K15 M15 D12 D13 M12 M12 M13 D12 J3 J3 B3 B3 B2 C2 D2 D2 D3 E3 E2 F2 F3 F3 F2 G2 G3 H3 H2 I2 I2 J2 J3 J3 K2 L2 N2 N2 N4 O4 C14 F14 C15 E15 C16 E16 K3 L3 B16 F15 D5 E5 D9 N7503a 7503b 7504a 7504b 7571a 7571b 7572 J16 I6 N6 M2 N2 M2 M2 M3 N3 J5 M5 J5 L5 J6 L6 J7 M7 J8 M8 D18 E18 D18 F18 L15 N15 L15 M15 L16 L16 C19 E19 K14 N14 K16 M16 E12 E12 E13 L12 L12 L13 B14 F14 A2 B2 E2 H2 J2 O2 C17 E17 D10 A10 C16 E16 K16 M16 M6 J6 J10
SOURCE SELECTOR PART SR4000
4 Tuner TU 3951 100E +100E Tuner L +12sel
7501 LC7821 Tuner R Tuner L CDR Play L 1 LLCD L CDR Rec L SAT L VCR Play L Front AV L CDR Rec R CDR Rec L VCR Rec L L3 L4 LL470E 2508 100p 22p IN 1 7503a NJM4560M Left out to Left in 3597 5k100n IN +12 19

3513 TU

3515 470E
2512 100p TU 2513 CDR/Tape Out CDR 3516 470E 100p CDR 2514 100p 39k CDR 2515 CDR/Tape In CDR CDR 3521 39k 3518 39k 100p CDR 2516 100p CDR

3514 TU

11 D 2627 100p D 2622 100p D 2623 100p

Left MDM

CDR Play L CDR CDR Play R +270E 3554 270E D 2555 100n D 12sel 2558 CD L 47 D 2556 100n D VCR Rec R CDR Rec R Front AV R VCR Play R CD CD R SAT R CD R CDR Play R CD SAT L Tuner R 30 R1 +12sel RES

CE +12sel DI

3589 IN 3546 3k5k6 Right MDM IN 2544 Right out to Right in

2559 33n D

6501 1NS LOGIC CL VSS D D 21 RR7 RRR470E 22p 15

12 3690
HP 7622 BC817-40 1N120E 120E 12 10E 2616 22n HP Right Center Surround

3606 2

1n +5 S1 S 8 S 9
100n S1 IN LR 7652 BC817-3674 2k2 1N2618 100E 10

2610 220p

3612 HP
2620 100p HP Left Right Left out to Left in Right out to Right in Center out to Center in Surround out to Surround in To Left & Right amplifier

68n 12k 3884

HP 100 HP

2872 10n

3660 S1

2878 100n

1 S l out 22n D

3672 S1

3892 IN LR Center pre-out 2 1525
S 1520 ss ce dpl clk amp s on 14 dd req sofac scl sofac scl sofac1 sda1 sofac2 sda2 mute lr mute c s From Left & Right amplifier D S S
S7642 TDA3945 220E STEREO 1L STEREO 2L STEREO 3L STEREO 4L DIFF L DIFF GND L SOURCE SELECTOR LOGIC CONTROL CENTER + SURROUND MUTE CONTROL IN GAIN RIGHT CHANNEL VOLUME LOUDNESS TREBLE MIDDLE BASS MUTE VOLUME 2 FADER ANALOG SUPPLY MUXIN OUT R R SLOUD R 47n TREBLE R 6n8 S2 MID IN R 22n MID BASS OUT R IN R 22n 26 BASS OUT R S2 FRONT R 33 REAR R 29 CREF S2 SBC817-100n 3680 2k2 AVVD AGND S2 LEFT CHANNEL IN GAIN I C INTERFACE

3859 S2

2569 100p S2 S4652 S2

ss clk ss data

2873 S2

3885 12k 2697

2879 100n

3679 2k2

10n 3875 3877

3893 IN C

S 2860

S 2926 100n 270E +12

HP V D 3560 1k 1N4148 S 7661 BC817-40 Center pre-out A IN S2 S1
S2673 6nTREBLE L 2685 22n 22 MID IN L 2679 22n 47n 12 LOUD L

68n 3665 S2

7653 BC817-40
2691 68n 25 FRONT L 34 REAR L 32

amp lr on amp prot

S2 D 6643 1N4148 +5mute +5mute 7 +5mute IN C 2851 22p 2612 10

20 IN L

MID BASS OUT L IN L

BASS OUT L MUTE

2885 1n S2

VOLUME LOUDNESS

TREBLE

MIDDLE

VOLUME 2 FADER

CLK DATA ADDR

S38 sofac scl 100E 37 100E sofac1 sda1 +9

BC857B

3851 4k7 2855

7660a NJM4560M

sofac1 sda1 sofac2 sda2 amp mute lr amp mute c s
11 MONO DIFF GND R DIFF R STEREO 1R STEREO 2R STEREO 3R STEREO 4R
100p 3852 4k100p 6 7660b NJM4560M 270E S 1N3563 1k

SMEXT PAUSE CSM

28 mute c s 2631 100n S2

3698 S3890

To/From 1410 Front Part

220E 10 7

S 7662 BC817-40 Surround pre-out

SURROUND PART

3834 100E S2 S1 100p Surround pre-out 1550

2886 2n2 S2

3650 S2

6644 1N4148 S2 22p

2638 100n S2

2532 220n

68n 12k 3886

2857 100n S 9654

2874 10n

3664 S2

2880 10

Surround

3678 S2

3894 S2 P P50 P gnd 1 P

P50 PART

100E 2

To 1434 Front Part

2831 100p

Cinema link P50

2832 100n

6831 1N4148 P

6832 1N4148 P

2833 22n P
VOLUME CONTROL PART FR217 05800

LEU0168 9926

3883 12k 100n

3673 2k2

1515a 1802a 1802b 1803a 1803b A23 G1 C4 F4 C30 E24 D5 H30 G30 E25 H26 A23 K22 N30 L22 N30 M22 F19 J19 A15 E15 F15 J15 K15 O15 M2 L3 N2 E15 J15 O15 B17 G17 C30 B19 C19 C20 C20 B21 D21 D19 E20 G21 I21 A20 A21 E21 A19 D19 A22 D22 N16 N16 C16 H16 N16 B16 G16 L16 D16 D16 I16 I16 B8 C8 B8 D8 F8 H8 G8 I8 L8 N8 A10 E10 F10 I10 K10 O10 A11 E11 F11 I11 K11 O11 A11 E11 F11 I11 K11 O11 A12 E12 F12 I12 K12 O12 A12 E12 F12 I12 K12 O12 A13 E13 F13 I13 K13 O13 A13 E13 F13 J13 K13 O13 K24 L24 M24 N24 E27 E26 F27 FM28 M29 L24 O28 M28 L23 M23 N23 I29 J29 J30 G29 J27 G19 I19 G19 H19 H20 H20 J21 J20 F20 F5 A7 C7 A10 E10 E10 J10 K10 O10 A13 E13 E13 J13 K13 O13 B7 D7 G7 I7 L7 N7 F21 B19 G21 L2 L2 I21 A19 D19 A19 E19 B19 D19 B20 C20 B21 D21 A22 D22 G21 I21 A6 C6 B21 D21 D21 A20 B8 D8 B7 D7 G7 I7 L8 N8 A12 E12 A13 E13 F12 J12 F13 J13 K12 O12 K13 O13 A16 E16 A17 E17 B16 C16 F16 J16 F16 J16 G16 H16 K16 O16 K16 O16 L16 M16 B18 D18 G18 I18 M18 M18 C18 B18 C17 H18 G18 H17 L24 M24 N29 N7601a 7601b 7660a 7660b 9803 K28 K28 E25 F25 L28 M28 N29 N30 L30 L29 M29 I28 J29 G29 G20 H20 G19 I19 I21 F21 F20 J20 C29 I22 A10 E10 A10 E10 F10 J10 F10 J10 K10 O10 K10 O10 A13 E13 E13 J13 K13 O13 H22 H22 A17 E17 F18 K18 O18 C21 C21 D6 B6 H7 G6 N6 L6 C3 D3 D30 D3 H30 B21 C21 B18 D18 G18 I18 L18 N18 G21 I21 N2 M3 L23 L23 M23 M23 N23 N23 N29 O29 M29 J29 J30 D20 B20 B22 D22 A8 F8 L8 L3 A18 E18 F18 J18 K18 O18 C18 G18 G20 I20 G22 I22 M28 M30 K25 H6 F26
VOLUME CONTROL PART SR4000
Left in from Left out Right in from Right out DownmR 3941 220E 2883 1n S100E 2868 220p SS100E 2869 220p dd req sda 1 scl S 8 S S +12 l in r in 1530 315mA S1 S1 S1 +220E 2884 1n S7641 TDA7437 STEREO 1L STEREO 2L STEREO 3L STEREO 4L DIFF L DIFF GND L SOURCE SELECTOR LEFT CHANNEL

MONOBOARD SUPPLY SR4000

+VL 2251 100n A 6251 D5SBA100n 6252 D3SBA47n 6253 D5SBA47n A 4700 To 1073/1074 Mains trafo A 1N4003GP 4700 A VL VH

1258 T1A6

7257 BC327-25

7258 BC327-25 6276

30 To Left & Right & Center Amplifier

3k3k3 6280

BZX79/ C5V6

BZX79/CBZX79/C22 S

4 S To 1072 Mains trafo 7910 BD242BFP amp prot 3291 10E +VL 1 +VL 4

10k 7908 BC857B

+1N4003GP 2270 100n REF 2268 100n 1

6260 L7812GP

A +12 VL 6 VL

REF 3 2271

470n REF
To 1902 Surround amplifier
To 1071 Mains trafo 3254 S 6265 L2273 100n REF 2 REF 6267 L+5D +5D 2276 100n 2 REF 470n REF DIG 5 +5D S 1 Relay 7253 BC847B S +5D ++5D 470n REF 7 f1 f2 +5 A S DIG

2272 6800

To 0051 Mains part Monoboard Supply FR960 - FR/ 05990

Only FR960

To 1426 Front Part LEU0157 9921
3921 B18 B18 B19 L18 M4 H6 E4 E5 K3 M3 L3 A15 B8 B10 A10 C16 A9 C8 B19 C10 D16 C19 D15 D10 D19 D9 D19 E19 F19 N3 C7 O3 C14 C16 D16 C4 M5 M5 J16 L15 J9 K11 L16 M18 J11 O8 J10 L9 L11 M16 L18 M11 M10 M16 L16 M16 O5 O5 L8 L5 N18 E5 E5 F5 G6 G6 H4 H6 I6 H4 M2 A15 D17 B17 E17 B9 B15 A9 D15 C9 D9 D15 C6 C6 N2 C5 C6 F12 F14 F11 F12 F12 F13 F14 F15 C16 D16 C4 B5 C7 D6 D7 B8 C8 M5 J15 L17 K16 K10 J10 L16 L10 M10 M15 N5 K17 L7 L7 M17 L6 N9907 N15 L7 O12 O13 O13 O14 O15 O15 L5 K6 L8 J7 J7 E5 J9 L9 F10 L10 J6 B15 C15 K16 L16 G6 H6 I4 F4 D4 C5 C4 L5 K6 G5 H5 H4 F5 D4 A10 C6 F13 F13 C4 D7 J11 L7 N14 N14 K5 J8 L2 N2 E12 G12 L2 N2 J9 J16 O10
LEFT & RIGHT AMPLIFIER SR3000
Left in from Left out From Volume Control Part Right in from Right out Center in from Center out Surround in from Surround out 2310 +VL 470E

22 IN_LR

2313 220p IN_LR 7303 STK496-070

+VP 9 +VP 10 IN1

+VL 3 +VC PTC
IN_LR 3304 hst 5302 OUT4E4nA 100p 5

2307 4p7

AMP ON/OFF CIRCUIT
7304 BC847B 3327 220E 3358 1k 470E

3308 IN_LR