MA-373 (HEAD AMP) SCHEMATIC DIAGRAM Ref. No.: MA-373 board; 1,000 series
See page 4-5 for printed wiring board.
SLV-SE350/SE500/SE600/SE650/SE700/SE800/SX600/SX700/SX800

MA-373 BOARD (1/9)

CN4 LP CHSP CH1.2 S SP CH1 F 6P LP CH2 F LP CH1.2 S LP CH1 F SP CH2 F *R272 1.8k:SE350 2.2k:EXCEPT SE350/SE500 2.7k:SE500 *R271 470:EXCEPT SE350/SE500 560:SE350/SE500 L270 100uH *R274 4.7k:SE500 5.6k:EXCEPT SE500

C285 0.01u

PB RF RF SWP GND CTL AV ADJ CHECK

R280 100k

3 JLJL271 5
VIDEO REC/PB AMP IC260 LA70001:SE350 LA70011:EXCEPT SE350 5

LP CH1

R2.8/ P2.5 R4.3/ P0.1 R3.5/ P0.5 C283 0.01u C281 0.01u

R273 0

EXCEPT SE350/SE500 REC_CURR_ADJ JL272 REC_H REC_C

SE350/SE500

C280 100u 16V
MA-373 BOARD (2/9) (SEE PAGE 4-11)

R272 * JL273

Vcc R4/P5 REC/MUTE/PB REC_CURRENT ADJ1 REC_C_IN REC_AGC_FILT SP_L_IN REC_SP_OUT R2.5/P0 PB FILT SP_H_IN H_SYNC GND 1.4-2.2 SW30 EP_L_IN 0 HA(EP/SP) EP_OUT R0.3/P0.6 COMP_OUT PB FELT TRICK_H EP_H_IN PB_OUT ENVDET_OUT REC_Y_IN R3.5/P0 GND

REC_CURRENT_ADJ2

SP CH2 CN11P JL260 LP CH2 F LP CH1.2 S LP CH1 F SP CH2 F SP CH1.2 S SP CH1 F GND(SW) FE AUDIO CH1 H AUDIO REC AUDIO CH2 L 1 JLSP CHJLJL264 JL265 JLJL262

R274 *

C278 0.022u

C279 0.1u

R1.6/P0 R3.9/P2

R275 47k

REC_Y_RF JL267 PB_RF COMP_SYNC TRICK_H

www.rtv-horvat-dj.hr

R3.9/P2

C282 0.01u R0.1/ P1.7

R276 * Q270 PDTC144EK-115 SWITCH C284 0.22u

L271 2.2uH

R271 *
C276 0.1u C275 0.01u R3.9/P2
C289 18p SP JL268 RF_ENV JL269 RF_SWP

R0/ P2.1

MA-373 BOARD (4/9) (SEE PAGE 4-17)

R1.2/P2

AUDIO CH1
EXCEPT SE350 R270 * C272 0.1u C271 0.01u
R277 22k R278 22k R279 22k
HA_SWP COMP_OUT CTL_CHECK

R1.2/P2 P2.5/ P0 R1.2/P2

ADJSW MA-373 BOARD (8/9) (SEE PAGE 4-27) RR*R276 8.2k:SE500 10k:EXCEPT SE350/SE500 15k:SE350

AUDIO CH2

C288 100p

SW5V ANGND

MA-373 BOARD (9/9) (SEE PAGE 4-30)
*R270 470:EXCEPT SE500 560:SE500
AUDIOCH1 CN263 CHECK HF_ADJ 1 EXCEPT SE350/SE500 2P GND 2 JL283 AFENV AUDIOREC AUDIOCH2
MA-373 BOARD (5/9) (SEE PAGE 4-21)
SIGNAL PATH NO MARK:REC/PB MODE R:REC MODE P:PB MODE *:IMPOSSIBLE TO MEASURE THE VOLTAGE AT THE MARKED POINTS. REC PB VIDEO SIGNAL CHROMA Y Y/CHROMA AUDIO SIGNAL

HEAD AMP

4-9 4-10

MA-373 (1/9)

MA-373 (VIDEO, AUDIO) SCHEMATIC DIAGRAM Ref. No.: MA-373 board; 1,000 series

MA-373 BOARD (2/9)

AN_GND

L350 100uH

JL350 C+_12V JL360

C211 1u

C351 16V 47u

R351 5600

C212 0.047u R212 1200

C216 0.022u

C222 1u

L204 10uH

JS399 0.60mm

R355 68k

R352 68k

R350 68k

C213 1u

L203 10uH

SE350/ SE500

R356 5600

R353 5600

R211 8200

C356 33u 16V

C223 0.1u

C225 47u 16V
C227 47u 16V C226 0.01u 5.1 2.8 Q202 2PD601AR-115 BUFFER 2.1 R220 1k

C354 10u 50V

R203 1800

C202 0.01u

C203 0.047u X200 4.43MHz

C215 0.01u C217 0.01u

R354 2.2M

C352 0.1u

C224 0.01u

C355 0.22u

C353 0.22u

C350 0.22u

C214 0.1u

ALC DET

CCD VCC

A COMB IN

C DH OUT

CCD C IN2

CCD GND

AUDIO IN3

AUDIO IN2

AUDIO IN4

AUDIO IN1

S DET OUT

CCD C IN1

C DL OUT

REC APC FILT
PB_3V SECAM_DET SECAM_ON TO_OSD_VIDEO FROM_OSD_VIDEO QVD JL200

A02 A03

*C380 0.018u:SE500/SE800/SX800 0.047u:EXCEPT SE500/SE800/ SX800 C04 R357 8200

C357 4.7u 50V JL361

AFC/APC FILT

CCD NT CTL

CCD C OUT

KILL FILT

SLD FILT

C230 0.1u

Q203 BUFFER C244 0.01u C245 0.1u
LINE OUT ALC IN AUDIO REC IN A-GND AUDIO REC OUT AUTO BIAS IN EQ SW1 AUTO BIAS OUT

L380 100uH B01 RRC358 1u

CCD VCO FILT RD CCD Y OUT CCD Y IN PB-H OUT

CCD CLK IN

JS351 0

LA7277M-TLM

3P AU GND 1 JL352
*R232 15k:EXCEPT SE500 33k:SE500
*C221 0.1u:EXCEPT SE350 1u:SE350

FULL ERASE HEAD

N.C. FE HEAD

VCA OUT

Y SYNC C OUT Y OUT

FIL ADJ MONI 1 MONI 2

1.1 JL8 4.9 JL014 RR10

EXCEPT SE500/SE800/SX800

MA-373 BOARD (4/9) (SEE PAGE 4-18)

CTL_X CTLGND PDCDAV

R858 6800

R857 6800

*R207 820:SE350 2.7k:SE600/SX600 3.3k:SE500 3.9k:SE650/SE700/SE800/ SX700/SX800

F01 F02 5.4 4.2 1

1 2.9 JL012

R860 1.2M

7P CTL(X) CTL(Y) AU GND 1 JL353 JL355 JL354 JL145 JL144
AUDIO REC/PB HEAD AUDIO ERASE HEAD 05
A HEAD PB A HEAD REC AU GND A ERASE HEAD
VIDEO SIGNAL CHROMA REC PB REC Ref.signal REC/PB Y Y/CHROMA

R853 1k

AUDIO SIGNAL

C851 10u 50V

* * R852 22k

11 C855 0.22u

15 1.4

18 5.1

19 5.1

SIGNAL PATH

R850 100
Q850 2PB709AR-115 BUFFER R862 2200

R1.3/P0.9 CVBS

R2.7/P0 PD 1

R2.7/P0 PD 2

R2.7/P0 VCO 1

CTL HEAD

NO MARK:REC/PB MODE R:REC MODE P:PB MODE *:IMPOSSIBLE TO MEASURE THE VOLTAGE AT THE MARKED POINTS.

C852 2200p

*R216 220k:EXCEPT SE350/SE500 330k:SE500 680k:SE350

C853 0.033u

VPS/PDC

R859 1.2M R861 680k

L001 10uH IC850 SDA5650X-GEG

C004 4.7u 16V

C006 0.33u C008 0.01u

R001 10k

R851 15k

C856 0.1u

MAIN OFF

MCOR 3

VIDEO, AUDIO

MA-373 (2/9)

4-11 4-12

SECAM_ON SECAM_DET

BC_ROT B04 RF_SWP FULL_ERS IIC_CLOCK(VIDEO) IIC_DATA(VIDEO) F01 FR7 JL351 B05 B06 C380 * 5 4

T380 3

A_MUTE

1.4 2.4 2.3

Q203 2.1 2PB709AR-115 1.4 C231 1u JL215 C249 10u 16V C232 1u C235 1u RRC246 0.01u
SECAM_VIDEO SECAM_ON FSC PB_3V
C383 47u 16V Q380 2SD879-AA BIAS ERASE OSC C381 0.01u
Q350 2SC1815GR-TPE2 BIAS SWITCH R2.2/ P5.1 C359 1500p

RR363 18k C360 1500p

MA-373 BOARD (3/9) (SEE PAGE 4-16)

R0/R4.2

PB_C C_SYNC SW_5V REC_C AN_GND PB_RF

Q200 2PD601AR-115

C218 0.01u

P11.2/P0.4

Q201 2PD601AR-115 DE EMPH

R0.4/P0 R391 12

R0.1/ P11.7 C393 100u 16V

R392 10k

C200 0.01u

R217 100

L206 47uH C253 820p RQ204 PDTC144EK-115 SECAM SWITCH

C204 0.01u

L390 1.2mH

PS390 0.25A

C206 0.047u

C254 0.01u

C208 1u 50V

R227 0

Q390 UN2115-QRS(TX) SWITCH 11.7 R11.6/P0.4

R3.6/P2.5

REC_CURR_ADJ D03
EXCEPT SE500/ SE800/SX800

OSD V IN

30 *R219 47:SE350/SE600/SX600 100:EXCEPT SE350/SE600/ SX600 SE350/SE600/SX600

R204 330

C207 27p 5.1 2.4

R213 R470 L202 10uH

R215 100

R218 0

R219 *

C229 0.1u

L200 39uH 3.9 C205 *

SYNC DET

R5.1/P0

R207 *

R216 *

R208 L100uH

R210 560

R200 10k

R209 1800

R232 *

Q391 PDTC144EK-115 SWITCH

R233 4700

C201 1u 1.2 50V

C209 C210 180p 27p

R205 330

C220 47u 6.3V

C228 390p
Q392 2SC4040-TL2-Q FULL ERASE OSC

C394 100p

R206 *

C255 0.01u

R0.1/ P11.7

Q200 AMP

C221 *
JSC001 0.01u R2.2.1.4.16 1.1.2.C003 1u C007 10u 16V C009 0.01u R004 8200

E03 E04

R005 1k

C243 0.047u

C010 0.01u 2.5.1 11
SE600B/SE700B/ SE800B/SX700B

C002 100u 6.3V

SE500/SE650/SE700/SE800/SX700/SX800 C850 0.1u

R856 100k

D5V DGND
EXCEPT SE500R/SE600/SE700R/SX600
Note: The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.
MA-373 (SECAM) SCHEMATIC DIAGRAM See page 4-5 for printed wiring board. Ref. No.: MA-373 board; 1,000 series

MA-373 BOARD (3/9)

SE600B/SE700B/SE800B/SX700B C_SYNC SECAM_DET
Q970 4.3MHz BELL FILTER C977 0.01u 2.6

SECAM_VIDEO

5.1 C994 0.01u Q975 PDTA114EK-115 SWITCH R998 10k R0/ P4.2 L975 10uH C995 100u 6.3V

0.022u

C985 100p

MA-373(3/9)

C D E F G

50V 4700p

R978 8200

R2/ P5.1

C970 220p

R982 47k

R979 10k 2.6

Q970 2PB709AR-115

R980 100k

L970 6.8uH

R968 150k

R970 33k

R5.1/ R5.1/ P0 P0 R0.4/ Q976 P5.1 PDTC144EK-115 SWITCH R997 10k
PB_3V 5.SECAM_ON Q972 PDTA114EK-115 SWITCH
MA-373 BOARD (2/9) (SEE PAGE 4-12)

R971 33k

R981 27k

C980 0.1u

C981 0.01u

SECAM_ON

RJL975 2.5.2.2.2.2.2.15 R989 1k L973 47uH C988 100p C992 0.01u 0.3

5.1 C993 0.01u R3.3/P0.8

0.3 28

0.1 27

SECAM-DET OUT

4.3MHz BELL

SYNC-IN

SYNC GATE TIMING

PB-H R0.4/P5.1 REC-IN 2.6

R2.9/P2.4 S/H C2

R2.9/P2.4 S/H C1

LIM EXC

PB-OUT

LA7337

4.3MHz OFFSET

1.1MHz OFFSET

SECAM PROCESSOR
Q973 2PD601AR-115 BUFFER R994 39k

1.1MHz BELL

AN_GND PB_RF REC_C FSC

BGP TIMING

1 0.3 R973 220k

10 2.1

11 2.7

12 4.2

13 2.6

14 R3.2/P2

R975 0

AGC FILTER

AFC FILTER

REC-OUT

CLK IN

R985 470

R972 27k

R969 6800

C983 0.001u

C982 680p

C996 10p
R995 10k 5.1 0.3 R3.3/P0.8 Q974 2PD601AR-115 BUFFER R996 39k
NO MARK:REC/PB MODE R:REC MODE P:PB MODE SIGNAL PATH VIDEO SIGNAL CHROMA REC PB Y/CHROMA

R974 22k

R990 0

R999 0

C991 0.1u

C984 0.01u R988 15k

C987 0.47u L972 47uH C986 10u 16V
MA-373 (SERVO/SYSTEM CONTROL) SCHEMATIC DIAGRAM See page 4-5 for printed wiring board and page 4-19 for waveforms. Ref. No.: MA-373 board; 1,000 series

MA-373 BOARD (4/9)

SW1 SW2 SCL SDA SS83
SS91 SS100 SS87 SS97 SS90 SS89 SS86 SS85 SS84 SS83 SS82

RCTL_X

SS84 SS71 SS72 SS10 SS03 SS62 SS41 SS42 SS65 4.5 C150 4.7u 50V R0 Q103 PDTC144EK-115 SWITCH 4.3

D140 1SS355TE-17

L140 22uH C140 100u 16V R141 10k R140 10k C141 0.01u

CTLGND RC146 2200p CTL_Y

MA-373 BOARD (6/9) (SEE PAGE 4-23)
MOD_CONT AFT TA_MUTE NICAMCLK NICAMDAT PCONT_SW5V
C143 22u 50V C145 100u 16V 680p

PDCDAV

R0/ P0.7 0

R179 470

Q801 2PD601AR-115 R800 150k 5.1

Q802 2PD601AR-115

Q800 2PB709AR-115

R807 33k

D800 1SS355TE-17

R5.2/ P4.9

C144 22u 50V
R111 47k 5.1 C149 220u 16V 5 C148 0.01u

RR178 470

Q140 2PD601AR-115 SWITCH

C142 0.022u 2.5

R801 10k
R813 10k SS85 PS120 0.4A SS24 CN102 JL121 RRR120 R121 47k JLJLJL124 47k 4 JL6 JL127 JL128 C122 47u 16V 8 C123 0.01u JLMTR GND AN GND 7 CAP VS LIMITTER CAPSTAN VCC CTL-REF CAP FG CAP RVS 1 9P

0 R805 10k R804 10k R806 10k 5.1

R1.7/P2.5

5 R803 22k 0
SS09 SS19 SS72 SS71 SS58 SS63 SS22 R160

SE500/SE800/ SX800

4.4 R802 10k 0
IICDAT IICCLK DEC/VTR AMUTE AFRECP

Q104 2PB709AR-115 SWITCH

SS87 SS91 SS76
0 24V CONT 5.1 AVCC 5 AMP VCC AMPC R3.2/P2.5 CTL IN+ DRUM PG DRUM FG DMS CAP FG TU SW2 RC CHECK AMP VREF IN AMP VSS SECAM DET AMP VREF OUT FROM AV LINK CTL AMP OUT TU SW1 CTL INDMS +

Q803 2PD601AR-115

CAM(-)

C+/SW12VCONT

CAM(+)

MTR(GND)

D5V D5V_BACKUP OSDVCC SW12V SW5V

C133 0.1u

R132 470
R163 10k * R164 SS03 SS04 SS05 SS06 SS07 SS08 SS09 R193 100k EXCEPT SE350/SE500 R194 1k RC174 0.1u RRRR162 10k SE800/SX800 C161 0.01u R161 * C160 0.01u 10k JL166 JL167 1.2
Q800-804 C801 AV LINK CIRCUIT 0.01u EXCEPT SE600/SE700R/SX600 0.1-5.1 T REEL 0.1-5.1 S REEL P FAIL DRUM ERR CAP ERR

Q804 PDTC144EK-115

C120 0.01u

M902 CAPSTAN MOTOR

C121 0.01u
DEST1 DEST2 TU AFT FU KEY2 FU KEY1 S SENS T SENS RF ENV AF ENV MOD CONT KKP + KKP QVD REMOCON CROT HA SWP ENV S RF SWP AF SWP END LED AV CONT AF REC P FULL ERS CAP RVS I CONT MODE4 MODE3 MODE2 MODE1

IIC DATA1(EEP)

COMP_OUT CTL_CHECK HA_SWP RF_SWP

SS17 SS97 SS16 SS18

5.1 4.5 5.1

SP RF_ENV

SS48 SS08

1.2 4.8

SS80 SS2.7 2.7 4.0 4.RRRRRRRSS78 SS77 SS76 SS75 SS74 SS73 SS72 SS71 SS70 SS69 SS68 SS67 SS0 5.RRC670 1u C669 3900p RR669 100

R667 330

C+/SW12V CONT -11V CONT TO AV LINK SDA(VI/HF/TU/NICAM.ZWEI/MOD/VPS/DNR) SCL(VI/HF/TU/NICAM.ZWEI/MOD/VPS/DNR) FLD CLOCK 18V CONT IC162 M37760MFH216GP :SE500R/SE600/SE700R/SX600 M37760MFH217GP :EXCEPT SE500R/SE600/SE700R/SX600 TO FLD DATA SECAM ON 2.4-3.9 FLD CS SW5V CONT MTR12V CONT A MUTE TA MUTE DIV CLK OUT/JOGLED CONT AV CONT IN/C+DET PDC DAV
C115 0.1u SS89 SS90 SS77 C107 47u 16V

C113 0.01u

C114 0.01u JL115 JL114 JL113

R0/P2.7

MTR GND D.FG D.PG D.VS MTR 12V

R0.1/P3

MA-373 BOARD (7/9) (SEE PAGE 4-25) AVCONT IN/
I_CONT C+_DET AV_CONT AV_LINK PB_3V RF_SWP IIC_DATA(VIDEO) IIC_CLOCK(VIDEO)

SS25 SS60

SS10 SS11

5.1 5.1 5.5 2.2-0.5 2-3

M901 DRUM MOTOR

SS12 SS13 SS14

R114 47k C108 1u

R115 47k

JL112 JL111
SS18 SS72 SS71 SS50 SS52 SS63 *R160 1.5k :SE700:G,I/SE800G 3.3k :SE600B/SE700B/SE800B/SX700B 5.6k :SE350/SE500K/SE600N/ SE700:K,N/SE800:K,N 8.2k :SE500R/SE700R 0 :SE600:A,E/SE650/SE700:D1,D2,E1,E2/ SE800:D1,D2,E/SX600/ SX700:D,E/SX800 *R161 1.5k :SE500K/SE600E/ SE700:B,G,R/SX600/SX700B 3.3k :SE600N/SE700:E1,E2,I/SE800B/SX700E 5.6k :SE700N/SE800:E,G 8.2k :SE650/SE700:D1,D2,K/SX700D 12k :SE800:D1,D2,N/SX800 18k :SE800K 0 :SE350/SE500R/SE600:A,B
SS15 SS16 SS17 SS18 SS19 SS20 SS21 SS22 SS23 SS24 SS25 SS26 SS27 SS28 SS29 SS30 REXCEPT SE350/SE500

SERVO/SYSTEM CONTROL OSD

SS64 RJL199 SS63 SS62 SS61 SS60 SS59 SS58 SS06
TO_OSD_VIDEO FROM_OSD_VIDEO A_MUTE C_ROT QVD SECAM_DET SECAM_ON FULL_ERS
D110 MPG06D-6052PKG3 SE350/ SE500

2-3 2.4 5.1

D100 GL528V1 (T/S LED) JL108 R103 22k Q102 2SC1815GR-TPE2 LED DRIVE JL107 R104 1k 0.4 RC103 330u 6.3V RRQ101 PT380F3 T SENS 1.8 5.1 JL109 C105 0.001u R108 22k

SS15 SS13 SS86 SS67 SS23

R0/P5.1 R5.1/P0 5.0 5.1 5.1

17.734475MHz(out)

DEC/VTR NUA

1.9 2.5.2 1.8 0

C V IN(C SYNC IN) OSD SECAM C IN HLF(SLICER LPF) OSD VCC

SS52 JL661 SS20 SS07

17.734475MHz(in) IIC CLK1(EEP) 32KHz(out) 32KHz(in)
OSC CHARA(OUT) OSC CHARA(IN) NICAM DATA NICAM CLK OSD GND OSD V IN OSD LPF CLK SEL

OSD V OUT OSD W LEVEL

Q100 PT380F3 S SENS

C102 0.001u

REC PRF

R666 0

JOG_LED_CONT FLDCS FLDSDA
SS61 SS66 SS68 SS70 SS05 SS04 SS11 SS12 SS14

C671 22p

S100 (CAM ENCODER) R100 15k
MA-373 BOARD (8/9) (SEE PAGE 4-27)
FUKEY1 FUKEY2 KKP+ KKPREMOCON DMS+ DMS-
POWER FAIL DET RESET PULSE GENERATOR

S101 (REC PROOF) JL104

L161 22uH
5.1 5.1 2.2 4.9 1.5 1.5 5.1 2.1 2.3 4.5 4.4 5.1 2.4 2.4 1.8

R102 15k

R101 470

FLDSCLK

IC160 MM1256XF-BE

R664 0

Q660 2PB709AR-115 BUFFER PH100 GP3S120S (T REEL)
PH101 GP3S120S C100 (S REEL) 0.001u JL118 C101 0.001u

32.768kHz

X161 17.734475MHz
5 OUT 1 VCC 1 OUT 2 VCC 2

R168 150k 5.1

L661 22uH

R660 1k

C665 56p
SE350/SE500/SE600:B,N/SE700:B,K,N,R/ SE800:B,K,N/SX700B S101

L660 2.2uH

R672 1k C664 0.1u RR661 1M SS79 C666 560p SS80 SS29 JL105

JL116 JL106

PCONT_M18V PCONT_M24V PCONT_M12V -11VCONT PCONT_SW5V SS69 SS100

R169 470k C163 0.01u

R189 1k

R171 10k

C660 18p

C661 18p

C167 0.047u C168 22p C169 22p

C662 4700p C663 0.01u

C171 12p

C172 15p

M24C08-WMN6T

SS64 SS74 SS65

C166 0.01u

R2.5 RC672 0.01u

L663 22uH C667 0.01u

SS27 SS26

EEPROM

W.ENA CLK

C170 0.1u 5.1 JL160
1.8 Q661 2PB709AR-115 BUFFER C668 100u 6.3V L662 22uH SS33

IC130 LB1943N

CAM MOTOR DRIVE CN3P CAM(-) N.C. CAM(+)

B+ B+ B+ B+

L160 22uH C162 0.22F 5.5V C164 100u 16V

C165 0.01u JL168

R170 3300

1 0.3 RR190 3300

10 0.3

R130 15k 6.3

13.4 13.4 C134 0.1u JL133

M903 CAM MOTOR

ANGND MTR12V MTRGND CAPSTANVCC DGND
R133 47k C131 47u 16V JS130
CN4P RESET CLOCK DATA D GND
EXCEPT SE350/SE500/SE700R
NO MARK:REC/PB MODE R:REC MODE P:PB MODE SIGNAL PATH REC Drum speed servo REC/PB PB Capstan speed servo Capstan servo(speed and phase) Ref.signal PB REC REC/PB PB SIGNAL PATH VIDEO SIGNAL Y/CHROMA
Drum phase servo Drum servo(speed and phase)

SERVO/SYSTEM CONTROL

4-17 4-18

MA-373 (4/9)

MA-373 (Hi-Fi AUDIO) SCHEMATIC DIAGRAM See page 4-5 for printed wiring board. Ref. No.: MA-373 board; 1,000 series

C315 8200p

C308 10u 50V C309 8200p R307 2200

R308 39k

MA-373 BOARD (5/9)

3.9 33

3.9 32

0.8 31

3.9 30

0.8 27

3.9 26

3.9 25

R306 27k

C310 47u 16V

C311 C312 10u 2.2u 50V 50V
C313 10u 50V C314 47u 16V

C316 10u 50V

RR312 27k
EXCEPT SE350/SE500 C304 0.01u
JL322 AUDIOCH2 JL323 AUDIOREC C323 0.1u AUDIOCH1 ANGND AFENV JL300 JL301 JL302 JL303 JL304 JL325 AMUTE DEC/VTR RR305 1k C306 47u 16V R302 18k R301 10k R304 1k RC303 0.1u C324 0.01u JL324 11.7 R4.3/ P0.7 R4.3/ P0.7 R4.3/ P0.7 4.2

SW GND V IN V OUT SW GND SW GND I R SW GND SW GND N.C. G AV_LINC SW GND AV CONT B A(L) IN SW GND A GND A(L) OUT A(R) IN A(R) OUT LINE-1 (TV)
SE500/SE800/SX800 CN501 4P:SE500 5P:SE800/SX800 FRONT VIDEO IN JK-180 BOARD CN480 (SEE PAGE 4-31) AU GND FRONT AU(R) IN AN GND FRONT AU(L) IN

D500 BZA408B-115

Q520 2PB709AR-115 BUFFER *

D573 PDZ6.8B-115

VIDEO SIGNAL Y/CHROMA NO MARK:REC/PB MODE R:REC MODE P:PB MODE *:IMPOSSIBLE TO MEASURE THE VOLTAGE AT THE MARKED POINTS. REC PB

MA-373 (7/9)

MA-373 (MODE CONTROL) SCHEMATIC DIAGRAM See page 4-5 for printed wiring board. Ref. No.: MA-373 board; 1,000 series

MA-373 BOARD (8/9)

-2.7-2
ND420 FLUORESCENT INDICATOR TUBE

-11V -F +F D5V DGND

BBB+ B+ B+
IC460 RPM6940 L460 47uH C420 47u 6.3V C423 0.01u 5.1 VDD X OUT VSS X IN RESET AN5 AN4 AN3 AN2 AN1 AN0

S11 S12 S13

P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 N.C. G6 G5 G4 G3 G2 G1

MODE CONTROL

MA-373 (8/9)

4-27 4-28

C D E F G H I
* * -4.8 -9.4 -9.4 -9.4 -9.4 -9.4 -9.4
REMOTE CONTROL RECEIVER FLDCS FLDSDA FLDSCLK 5

REMOCON

1.9 C421 22p 5.1 C422 0.1u 0
FL DRIVER IC420 M35500BGP
S14 S15 S16 S17 G6 G5 G4 G3
FUKEY1 FUKEY2 DMS+ DMSJOG_LED_CONT KKP+ KKPSE500K/SE800/SX800 D420 SLR-342VCT31 SYNCHRO REC D423 1SS355TE-17 CN460 11P JL432 KKPKKP+ JOG LED CONT 11 JLJLJLJLJL4 JLJL1 JLD421 1SS355TE-17 EXCEPT SE350/ SE600/SX600 JL420 D422 SLR-342DCT31 RR R422 1k JL422 C427 220u 6.3V

11 LED2 (IRDREC) 10 9

LED1(RR)

4.9 2.7-3.7

DS-91 BOARD CN451 (SEE PAGE 4-35)
D5V DMSDMS+ A/D2 GO A/D2 RTN A/D1 RTN A/D1 GO DGND
SE500K/SE800/SX800 R425 470

R424 470

R420 0

R421 0

R423 0

EXCEPT SE350/SE600/SX600

C424 10u 16V
EXCEPT SE500/SE800/SX800 CN461 5P A/D2 GO DS-91 BOARD CN453 (SEE PAGE 4-35) A/D2 RTN A/D1 RTN A/D1 GO D GND 1 R470 10k JL460 JL461 R460 10k R461 330
SE500/SE800/SX800 R462 1k RRJL463 RJL464 RJL465 R468 15k R469 47k JL467 S467 NTSC PB 4.43NT ONPAL
NO MARK:REC/PB MODE *:IMPOSSIBLE TO MEASURE THE VOLTAGE AT THE MARKED POINTS.

RS460 D424 STZ6.8N-T146

ON/STANDBY

S461 EJECT

S463 PROGRAM/TRACKING +

S464 AUDIO DUB

S465 RR
MA-373 BOARD (1/9) (SEE PAGE 4-10) ADJSW
SE500/SE650/SE700/ SE800/SX700/SX800 RJL476 S476 PROGRAM/TRACKING 05 S478 SYNCHRO REC R478 15k JL477 R479 47k JL478 SE500K/ SE800/SX800
S477 AUTO SET UP/ RF CHANNEL
MA-373 (POWER SUPPLY) SCHEMATIC DIAGRAM Ref. No.: MA-373 board; 1,000 series See page 4-5 for printed wiring board and page 4-19 for waveforms.

MA-373 BOARD (9/9)

SW12V REG IC601 PQ12RD08

R618 1800

Q612 2SB1122-ST-TD

R624 10k

Q612,613 SWITCH R625 4700
R626 1k C618 22u 50V C611 47u 25V C612 0.01u C613 100u 16V

Q613 PDTC144EK-115

R617 1k

C+_12V

AN_GND EXCEPT SE350/SE500R/ SE600:A,N/SE700R R611 1k
4.4 R0 Q608 PDTC144EK-115 Q607,608 C+5V SWITCH D603 S1G-G2P

C+_5V SW5V ANGND

C621 470u 6.3V

5.9 5.1

PS602 0.25A 5.8

Q607 2SB1122-ST-TD

SW_5V AN_GND

D_6V SW_30V

PS603 0.25A
SE350/SE500R/ SE600:A,N/SE700R
CN600 19P AN GND OSD VCC CAPSTAN VCC CAPSTAN VCC 1 JLJLDJL6 JL8 JL604 P CONT M24V P CONT M18V P CONT M12V 13V 9 JLJLJLJL608 SW12V D6V SW5V SW5V AN GND AN GND AN GND 13 JLJLR627 1M S1G-G2P S1G-G2P

OSDVCC SW12V SW5V ANGND

B+ B+ B+ B+ B+

CAPSTANVCC MTR12V MTRGND

D5V_BACKUP D5V DGND
SRV938EK BOARD CN201 (SEE PAGE 4-40)
MTR 12V MTR 12V MTR GND MTR GND

JL626 JL624

C+/SW12VCONT PCONT_SW5V PCONT_M24V PCONT_M18V

B+ B+ B+ B+ B+ B+

PCONT_M12V -11VCONT
SRV938EK BOARD CN202 (SEE PAGE 4-40)
7P JL613 -11V CONT 38V -11V +F(2.9V) D GND -F(0V) D GND 1 JLJLJLJLJLJL619 7

B+ BB+ B-

D5V -11V +F DGND -F

POWER SUPPLY

4-29 4-30

MA-373 (9/9)

JK-180 (FRONT IN), KK-23 (DIAL TIMER) SCHEMATIC DIAGRAMS Ref. No.:JK-180 board, KK-23 board; 1,000 series

SLV-SE500/SE800/SX800

JK-180 BOARD
SE500 JSCN480 4P :SE500 5P :SE800/SX800 FRONT VIDEO IN MA-373 BOARD (7/9) CN501 AN GND FRONT AU(L) IN AU GND FRONT AU(R) IN 5 JL494 C481 0.001u D481 STZ6.8N-T146 RR AUDIO L LINE-2 IN JL490 JL491 JL492 JL493 C493 0.001u JSRC491 0.001u SE800/SX800 RJ481 2P :SE500 3P :SE800/SX800 SE800/ SX800

(SEE PAGE 4-25)

SLV-SE800/SX800

FRONT IN, DIAL TIMER

JK-180, KK-23

4-31 4-32

D490 STZ6.8N-T146
D491 STZ6.8N-T146 SE800/SX800

D480 PDZ6.8B-115

VIDEO SIGNAL Y/CHROMA REC

KK-23 BOARD

3A 4 E 1B 5D
6 S1 CN402 4P JL413 D GND DS-91 BOARD CN452 (SEE PAGE 4-36) KKPKKP+ KKP SW 4 JLJLJLS410 DIAL TIMER PUSH/TURN 2
DS-91 (MODE CONTROL) SCHEMATIC DIAGRAM Ref. No.: DS-91 board; 1,000 series

DS-91 BOARD

EXCEPT SE500/SE800/SX800 CN453 5P D GND MA-373 BOARD (8/9) CN461 (SEE PAGE 4-27) A/D1 GO A/D1 RTN A/D2 RTN A/D2 GO CNSE500/SE800/SX800 CN451 11P D GND A/D1 GO A/D1 RTN A/D2 RTN 7 JL451 JL452 JL453 JL454 JL455 JL456 JL457 JL458 R1 S450 REC S451 COM STOP PLAY DUAL MODE SHUTTLE STOP DMS_2 DMS_1 PLAY 5P SE500/SE800/SX800
MA-373 BOARD (8/9) CN460 (SEE PAGE 4-27)

A/D2 GO

DMS+ 6 DMSD5V JOG LED CONT KKP+ KKP1
JL440 JL441 R452 1k RRR454 JLRRSE800/SX800 JL442 CN4P KK-23 BOARD CN402 (SEE PAGE 4-33)
JS450 EXCEPT SE500/SE800/SX800 D450 SLR-342DCT31 JOG 0 Q450 PDTC144EK-115 LED DRIVE SE500/SE800/SX800 5.4

KKP SW KKP + KKP D GND

S452 STOP

S453 PLAY

S454 JOG

NO MARK:REC/PB MODE

SE500/ SE800/ SX800

4-35 4-36

SRV938EK (POWER SUPPLY) SCHEMATIC DIAGRAM Ref. No.: SRV938EK board; 2,000 series

SRV938EK BOARD

D101-104 IN4005 D151 P6KE300 Q151 SWITCHING REG
T151 POWER TRANSFORMER D251 PR1003

RC251 + 47 50V

Q301, SWITCH

50.6 0

D101 + C400V

R151 1M

D301 UF3DL
Q301 2SD2394 Q307 0.2 2SA1015
D30 D2S4M R315 1k 2W R314 1k 2W

L151 D152 UF4007

C209 0.01

R152 1M C153 3300p

R155 D158 10k MA4270 2.8
CN201 19P AN GND OSD VCC CAPSTAN VCC CAPSTAN VCC MTR 12V MTR 12V MTR GND MTR GND P CONT M24V P CONT M18V P CONT M12V 13V SW 12V D6V SW 5V SW 5V AN GND AN GND AN GND MA-373 BOARD (9/9) CN600 (SEE PAGE 4-29)

R316 100k

R301 10k 51.7 Q302 DTC143EKA

R302 1k 1W

Q151 2SK3047

D153 1SS119 RRC50V +

R312 R10 2W 2W

Q303 2SD2394

D302 D304 D2S4M Q303-306 SWITCH

C108 1000p 250V

50.6 50.6
R156 2.2M R157 2.2M R162 33k C157 1000p C158 820p C159 100p
Q305 Q304 2SB2SCR308 1k D303 R307 1k 1W MTZJ20

0.5 D2S4M

R306 10k D252 UF3DL L201 10H

C109 1000p 250V

R311 10k

+ C50V

IC151 TDA16846

Q306 DTC143EKA

13.6 12.8

Q201 2SB733

C206 R1.5k 35V + + C16V Q203 SWITCH Q203 2PD601A