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Model
SLV-CA30TW SLV-GA35ME SLV-GA35PL SLV-GA35PS SLV-GA35SG SLV-GA35TH SLV-GA35TW SLV-GA55ME SLV-GA55PL SLV-GA55PS SLV-GA55SG SLV-GA55TH SLV-GA65MJ SLV-GF85PL SLV-GF85PS SLV-GF85TH SLV-GF85TW SLV-SA33TW SLV-SP100R SLV-SP70
Pages
54
Size
10.9 MB
Type
PDF
Document
Service Manual
Brand
Device
VCR
File
slv-ca30tw-slv-ga35me-slv-ga35pl-slv-ga35ps-slv-ga.pdf
Date
PREV: Sony SLV-KF297MK2 / SLV-XA147MK2 / SLV-XF247MK2 Service Manual

Sony SLV-CA30TW / SLV-GA35ME / SLV-GA35PL / SLV-GA35PS / SLV-GA35SG / SLV-GA35TH / SLV-GA35TW / SLV-GA55ME / SLV-GA55PL / SLV-GA55PS / SLV-GA55SG / SLV-GA55TH / SLV-GA65MJ / SLV-GF85PL / SLV-GF85PS / SLV-GF85TH / SLV-GF85TW / SLV-SA33TW / SLV-SP100R / SLV-SP70 Service Manual ▷ View online

SLV-CA30/GA35/GA55/GA65/GF85/SA33/SP70/SP100
4-9
4-10
MA-366 (VIDEO,  AUDIO)  SCHEMATIC  DIAGRAM
• See page 4-5 for printed wiring board.
– Ref. No.: MA-366 board; 1,000 series –
VIDEO,  AUDIO
MA-366 (1/4)
0.01u
B
C203
2200
R293
UN2225-(TX).S0
Q295
1u
C351
F
22k
R294
22uH
L261
UN2225-(TX).S0
Q298
50V
4.7u
C359
UN2213-TX
Q293
22k
R298
120
R353
UN2213-TX
Q296
C225
F
0.1u
220p
CH
C244
UN2213-TX
Q297
2SC2712Y-TE85L
Q299
4.7u
C356
50V
4700
R296
0.1u
B
C228
47k
R297
100uH
L351
390
R211
27k
R356
100uH
L206
0.60mm
JS351
16V
22u
C362
15k
R360
0.60mm
JS352
6800
R205
0.01u
B
C363
680
R290
0.022u
C354
B
47k
R359
100p
CH
C290
1u B
C268
22k
R354
10k
R295
UN2213-TX
Q261
10k
R254
4.7u
C360
50V
0.60mm
JS353
180k
R352
50V
4.7u
C364
2200
R291
1800
R206
820
R292
22u
C355
16V
0.01u
C253
UN2213-TX
Q291
1800p
B
C358
16V
47u
C250
UN2213-TX
Q292
C267
56p
CH
2200p
C357
16V
47u
C224
1u
B
C266
4700
R362
150p CH
C227
JL210
CL201
100uH
L203
CL202
8P
CN201
1
V COMMON
2
V RF CH2
3
A COMMON
4
A RF CH1
5
V COMMON
6
V RF CH1
7
A COMMON
8
A RF CH2
16V
10u
C353
CL351
C261
16V
47u
2SA1162Y-TE85L
Q205
UN2213-TX
Q204
JL208
10k
R355
4P
CN202
1
HF ADJ
2
PB RF
3
V.SWP
4
GND
UN2213-TX
Q263
JL207
33p
CH
C263
JL351
CL203
UN2213-TX
Q290
JL222
68uH
L208
CL352
JL203
JL202
JL204
4p
CH
C254
8200
R263
CL353
JL221
2200
R261
2SC2712Y-TE85L
Q262
JL205
JL224
JL223
2.2M
R363
0.1u
B
C235
C237
0.01u
0.1u
B
C233
0.1u
B
C240
0.01u B
C202
0.1u
C264
F
0.022u
B
C221
R351
4700
1u F
C251
16V
47u
C208
50V
0.47u
C220
2SC2712Y-TE85L
Q201
JL212
UN2213-TX
Q203
0.01u
B
C204
50V
2.2u
C218
JL206
10k
R201
JL213
330p
CH
C252
16V
47u
C352
27k
R204
JL214
JL209
4700p
B
C217
L202
470uH
JL211
50V
2.2u
C248
12uH
L204
0.022u
B
C231
CH
C214
150p
JL215
*
R209
0.1u
B
C242
6p
CH
C226
82uH
L205
50V
3.3u
C209
0.1u
B
C219
*
CH
C210
CH
C230
*
16V
47u
C265
0.033u
B
C206
50V
1u
C216
*
CH
C211
16V
10u
C245
0.01u B
C205
*
R203
JL201
1k
R202
JL216
0.01u
B
C249
4700
R262
0.01u
B
C246
4700
R207
4700
R212
JL217
R208
*
68p
CH
C262
0.22u
B
C247
50V
4.7u
C229
IC201
1
AUDIO PB IN(-)
2
AUDIO PB IN(+)
3
AUDIO PB EP SW
4
AUDIO REC OUT
5
AUDIO GND
6
B.G.
7
AUDIO LINE IN3
8
AUDIO LINE IN2
9
AUDIO LINE IN1
10
AUDIO BYP
ASS
11
AUDIO LINE OUT
12
VCC
13
MAIN EM OUT(REC)
MAIN DEEM IN(PB)
14
MAIN EM IN(REC)
MAIN DEEM OUT(PB)
15
S-DET
16
E-PEAK
17
G-EQ
18
CLAMP DRIVE
19
MAIN CLAMP IN
20
ME FBC(REC)
APL(PB)
21
Y
-CCD DRIVE
22
ME ALC/PB FM AGC
23
Y
-CCD CLAMP
24
Y
-CCD LPF OUT
25
CCD ADJ
26
FROM Y
-CCD
27
GND
28
LINE IN3
29
AGC DET
30
LINE IN2
31
LINE IN1
32
AV TAB
33
AV TAB
34
AV TAB
35
CCD C-OUT
36
CCD VCC
37
CCD MODE CONT IN
38
CCD TAB
39
CCD Y-OUT
40
CCD TAB
41
CCD TAB
42
CCD Y-IN
43
CCD TAB
44
CCD CLK IN
45
CCD GND
46
CCD C-IN
47
AV TAB
48
AV TAB
49
AV TAB
50
SYNC SEP OUT
51
SQ IN
52
VIDEO OUT
53
VIDEO OUT FBC
54
COLOR IN
55
PB C-OUT
56
VIDEO OUT ALC
57
CCD CONT
58
C-CCD FB IN
59
LEVEL DET
60
C-CCD DRIVE
61
VCC
62
IIC CLK
63
IIC DA
T
A
64
KILLER OUT
65
2fsc VCO DET
66
LC-VCO
67
DO OUT
68
GND
69
CCD SIG 2fsc OUT
70
CR-DET
71
3.58 X-tal IN
72
ACC DET
73
X-tal OSC OUT
74
REC APC
75
4.43 Xtal IN
76
PB APC/REC AFC
77
MESECAM DET
78
SEP C IN
79
PB C OUT
80
SP/EP
81
DRUM FF IN
82
CK DET
83
DISCRI
84
ENV OUT
85
GND
86
SP CH2(+)
87
SP CH2(-)
88
SP CH1(-)
89
SP CH1(+)
90
VCC
91
SP CH2(+)
92
SP CH2(-)
93
SP CH1(-)
94
SP CH1(+)
95
AUDIO ALC FILTER
96
AUDIO VCC
97
S/VHS
98
REC Y+C OUT
99
GND
100
AUDIO PB
EQ OUT
100uH
L207
100uH
L201
50V
4.7u
C223
50V
3.3u
C243
1u
F
C201
0.1u
B
C222
*
CH
C232
4700
R264
0.1u
F
C207
0.1u
B
C241
16V
47u
C234
F
C236
0.1u
16V
10u
C238
0.01u
B
C239
4.433619MHz
X201
0.01u
B
C212
3.579545MHz
X202
UN2213-TX
Q202
UN2225-(TX).S0
Q294
0.01u
B
C213
0.01u
C215
B
2SA1162Y
-TE85L
Q264
10k
R357
1u
B
C361
2SC2712Y-TE85L
Q267
2200
R265
JL218
680
R210
0
JS354
470
R361
0.1u
C258
16V
47u
C257
L210
10uH
Q265
2SC2712L-TE85L
1.5M
R358
0.001u
B
C259
10k
R213
220
R260
10k
R271
0
JS372
1
A
+5V
+9V
GND
2P
BN301
2
AU GND
1
PB A HEAD
MA10
MV18
MV20
MV61
MV60
MV59
MV58
MV94
HA21
MV21
VV35
VV37
VV21
VV26
VV37
VV35
VV26
VV21
HJ10
HJ13
HJ16
MV54
HA22
VV46
HC35
HC37
HC36
HC44
MV18
VV44
MV56
MV57
MA19
VV46
VJ31
MV27
MV54
MV45
MV43
MV24
MV55
MV11
MA17
VV44
MV20
MV99
MV100
B
18
H
8
D
19
I
5
13
14
4
11
J
K
12
F
9
17
C
G
16
15
MA-366 BOARD(1/4)
7
2
E
3
10
05
6
1
2
3
4
5
6
7
8
CHECK
SP
SP
AUDIO
AUDIO
CH2
CH1
CH1
CH2
2
3
4
5
6
(SEE PAGE 4-15)
1
MA-366 BOARD(3/4)
1
IC201
VIDEO REC/PB AMP
7
8
9
10
11
(SEE PAGE 4-13)
MA-366 BOARD(2/4)
2
MA-366 BOARD(3/4)
3
(SEE PAGE 4-16)
(SEE PAGE 4-18)
MA-366 BOARD(4/4)
4
B+
B+
B+
B+
B+
B+
B+
B+
EXCEPT GF85/SP100
BUFFER
CA30/GA35:PL,TW/
GA55 PL/GF85:PL,TW/SA33
EXCEPT
EXCEPT
GF85/SP100
CA30/GA35/
EXCEPT
*C230
22p
*C232
22p
18p
27p
15p
NOT USED
*R208
*R209
2200
3300
NOT USED
3300
10k
:EXCEPT GF85/
SP100
:GF85:PS,TH/SP100
:GF85:PL,TW
SP100
:EXCEPT GF85/
:GF85:PS,TH/SP100
:GF85:PL,TW
:EXCEPT GF85/
SP100
:GF85:PL,TW
:GF85:PS,TH/
SP100
:EXCEPT CA30/GA35TW/GF85:PL,TW/SA33
:CA30/GA35TW/GF85:PL,TW/SA33
CA30/GA35/
B+
B+
Y/C PROCESSOR
HA118217F
HA118217NF
:EXCEPT CA30/GA35:PL,TW/GA55PL/GA85:PL,TW/SA33/
B+
:GF85:PL,TW
*C210,211
22p
SP100
SP100
:EXCEPT GF85/
33p
39p
:GF85:PS,TH/
B+
BUFFER
AFC FILTER
SWITCH
Q205,264,267
BUFFER
SWITCH
B+
B+
B+
EXCEPT 
CA30/GA35:PL,TW/
GA55PL/GF85:PL,TW/SA33
GA35:ME,PS,SG,TH
EXCEPT
Q294-299
BURST GATE
GENERATOR
Q290-293
CHROMA
CONTROLLER
Q204
NTSC
SHARPNESS
CONTROL
Q261,263
VIDEO SIGNAL
SIGNAL
CHROMA
R:REC MODE
NO MARK:REC/PB MODE
Y
Y/CHROMA
AUDIO
PB
REC
SIGNAL PATH
P:PB MODE
20
5
0.3
0.4
0.2
2.4
0
2.4
0
0.2
0.2
0
0
0
0
1.1
0
1.1
1.1
0
1.1
2.1
2.7
2.4
3.1
9.6
0.7
0
0
2.5
0
5
5
R3.7/
P1.5
R3.7/
P2.1
1.7
0
0
1.2
1.2
2.3
5
0
1.4
0
5
0.4
2
2.6
5
2
5
5
3.3
5
0.1
5
3.1
2.8
2
2.1
1.4
2.2
3.1
1.9
2.3
2.8
3.1
2.3
R1.9/P1.3
5
2.5
2.5
2.5
2.8
2.5
2.6
0
2.5
R1.9/
P1.3
R1.6/
P0.6
R2.6/P3
R2/P0.9
2.2
1.2
2.9
R0/P3.4
2.2
2.2
2.2
2.2
5
R0.1/P2.2
R0.1/
P2.2
0.5
5
0.1
5
0.1
2.5
R0.1/
P2.2
R0.1/
P2.2
R3.7/
P2.1
2.8
4.5
2.9
2.1
2.7
1.7
2.3
2.1
2.8
2.8
5
5
R2/
P2.8
0
4.1
4
5
2.1
3
3.1
0.1
2.3
2.1
2
2.8
2.4
0.1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
18
17
20
19
EXCEPT 
CA30/GA35:PL,TW/GA55PL/
GF85:PL,TW/SA33
NORMAL AUDIO
PROCESSOR
GA35:PL,TW
:CA30/GA35:PL,TW/GA55PL/GA85:PL,TW/SA33/
GA35:PL,TW
SA33
SA33
GF85/SP100
SWITCH
Q203
PAL SWITCH
MA-366 BOARD(3/4)
BN302
(SEE PAGE 4-15)
GF85/SP100
*R203
680
820
:EXCEPT CA30/GA35TW/GF85:PL,TW/SA33
:CA30/GA35TW/GF85:PL,TW/SA33
4-11
• Waveforms
1
IC201 
ih
, 
ij
, 
ik
, 
il
 REC
1.8 Vp-p (H)
2
IC201 
ul
PB
450 mVp-p (H) (PAL)
780 mVp-p (H) (NTSC)
3
IC201 
uk
PB
320 mVp-p (H) (PAL)
580 mVp-p (H) (NTSC)
4
IC201 
ug
REC/PB
520 mVp-p (4.43 MHz) (PAL)
5
IC201 
ua
REC/PB
510 mVp-p (3.58 MHz) (NTSC)
6
IC201 
y;
REC/PB
340 mVp-p (H) (PAL)
7
IC201 
y;
REC/PB
REC : 300 mVp-p (H) (NTSC)
PB
: 290 mVp-p (H) (NTSC)
8
IC201 
tk
REC/PB
500 mVp-p (H) (PAL)
9
IC201 
tk
REC/PB
440 mVp-p (H) (NTSC)
q;
IC201 
t;
REC/PB
5.0 Vp-p (H)
qa
IC201 
ea
REC/PB
1.1 Vp-p (H) (PAL)
qs
IC201 
ea
REC/PB
1.1 Vp-p (H) (NTSC)
qd
IC201 
wh
REC/PB
REC : 500 mVp-p (H) (PAL)
PB
: 600 mVp-p (H) (PAL)
qf
IC201 
wh
REC/PB
REC : 620 mVp-p (H) (NTSC)
PB
: 690 mVp-p (H) (NTSC)
qg
IC201 
wd
REC/PB
REC : 390 mVp-p (H) (PAL)
PB
: 500 mVp-p (H) (PAL)
– Continued on next page –
4-12
• Waveforms
– MA-366 (1/4) –
qh
IC201 
wd
REC/PB
REC : 480 mVp-p (H) (NTSC)
PB
: 550 mVp-p (H) (NTSC)
qj
IC201 
wa
REC/PB
REC : 320 mVp-p (H) (PAL)
PB
: 430 mVp-p (H) (PAL)
qk
IC201 
wa
REC/PB
REC : 400 mVp-p (H) (NTSC)
PB
: 450 mVp-p (H) (NTSC)
ql
IC201 
qk
, 
ql
 REC/PB
REC : 400 mVp-p (H) (PAL)
PB
: 580 mVp-p (H) (PAL)
w;
IC201 
qk
, 
ql
 REC/PB
REC : 510 mVp-p (H) (NTSC)
PB
: 560 mVp-p (H) (NTSC)
• Waveforms
– MA-366 (2/4) –
1
IC101 
us
REC/PB
3.2 Vp-p (10 MHz)
2
IC101 
tf
REC/PB
4.6 Vp-p (H)
3
IC101 
rd
, 
rg
 REC/PB
2.2 Vp-p (H) (PAL)
4
IC101 
rd
, 
rg
 REC/PB
2.2 Vp-p (H) (NTSC)
5
IC101 
r;
REC/PB
4.8 Vp-p (760 Hz) (PAL)
4.8 Vp-p (1 kHz) (NTSC)
6
IC101 
el
REC/PB
4.3 Vp-p (25 Hz) (PAL)
4.3 Vp-p (30 Hz) (NTSC)
7
IC101 
ek
REC/PB
4.2 Vp-p (600 Hz) (PAL)
4.2 Vp-p (720 Hz) (NTSC)
8
IC101 
es
REC
5.2 Vp-p (25 Hz) (PAL)
5.2 Vp-p (30 Hz) (NTSC)
9
IC101 
ea
REC
5.2 Vp-p (25 Hz) (PAL)
5.2 Vp-p (30 Hz) (NTSC)
q;
IC101 
wd
, 
wf
 REC/PB
5 Vp-p (25 Hz) (PAL)
5 Vp-p (30 Hz) (NTSC)
SLV-CA30/GA35/GA55/GA65/GF85/SA33/SP70/SP100
4-13
4-14
MA-366 (OSD, SERVO/SYSTEM/MODE  CONTROL)  SCHEMATIC  DIAGRAM
• See page 4-5 for printed wiring board.
– Ref. No.: MA-366 board; 1,000 series –
OSD, SERVO/SYSTEM/MODE  CONTROL
MA-366 (2/4)
Note: The components identified by mark 
0
 or dotted line
with mark 
0
 are critical for safety.
Replace only with part number specified.
270
R404
R122
1M
16V
10u
C111
JL415
S408
47p
CH
C105
0.022u
B
C104
2SC2712Y-TE85L
Q266
S405
16V
10u
C107
100p CH
C270
10k
R424
47u
C007
C106 120p
10k
R423
JL414
3900
R400
16V
22u
C108
10k
R422
47u
C008
16V
47u
C109
4700
R130
7P
CN401
1
REMOCON
2
KEY 2
3
PICTURE LED
4
KEY 1
5
5V
6
KEY 3
7
GND
JL412
R118
470k
0.01u
B
C118
GND
1800
R120
56
R270
+5V
10
R119
0.01u
B
C269
+9V
120k
R114
3.3uH
L262
1SS119-25TD
D101
Y
C124
4700p
1k
R115
18k
R143
47k
R266
1k
R117
JL416
33k
R113
HD6433975RA-CPAF
IC101
1
REC_PRF
2
D_GND
3
KEY1
4
KEY2
5
KEY3
6
KEY4
7
S_SENS
8
V_SWP_ADJ
9
A_SWP_ADJ
10
MESECAM_DET
11
V_ENV
12
A_ENV
13
T_SENS
14
15
AN_5V
16
RESETz
17
REC_P
18
PAL
19
AU MUTE
20
NTSC
21
KILL_IN
22
VCC(+5V)
23
AF_SWP
24
RF_SWP
25
CAP-VS
26
DRUM_VS
27
QVD
28
NC
29
NC
30
NC
31
CTL+
32
CTL-
33
VSS GND SERVO
34
CTL AMP1
35
CTL AMP2
36
CTL AMP3
37
CTL AMP OUT
38
DRUM FG
39
DRUM PG
40
CAP FG
41
5V SERVO
42
5V OSD
43
VIDEO IN
44
V REF
45
VIDEO OUT
46
CHAR. BIAS
47
AFC LPF
48
AFC OSC
49
VSS OSD
50
DOSC IN
51
DOSC OUT
52
2FSC OUT
53
2FSC IN
54
C SYNC
55
MESECAM_OUT
56
SHARP-1
57
SHARP-2
58
CHROMA-1
59
CHROMA-2
60
CHROMA-3
61
CHROMA-4
62
MODE-1
63
MODE-2
64
MODE-3
65
MODE-4
66
CAP PWM
67
CAP RVS
68
TEST
69
32kHz OUT
70
32kHz IN
71
VSS(SYS)
72
10MHz IN
73
10MHz OUT
74
END LED
75
DANCE_4 LED
76
CASSETTE_IN LED
77
DANCE_3 LED
78
DANCE_2 LED
79
DANCE_1 LED
80
POWER R LED
81
POWER G LED
82
REMOCON
83
TV/OTHER
84
SYNCHRO_REC LED
85
NT/P
AL EP/LP
86
PICTURE LED
87
REC LED
88
T_REEL
89
S_REEL
90
HiFi LED
91
HiFi L LED
92
TV/VTR
93
HiFi R LED
94
SHARPNESS PWM
95
CAM
96
CAP QR
97
AF CLK
98
AF DA
T
A
99
V CLK
100
V DA
T
A
15uH
L101
SLR-342VCT31
D413
10k
RV101
L78L05ACZ-AP
IC103
1
2
3
2200
R408
10k
R142
1M
R116
16V
47u
C103
0.01u
B
C113
UN2213-TX
Q407
50V
4.7u
C112
270
R421
S410
MM1256XF-BE
IC102
1
NC
2
GND
3
NC
4
NC
5
NC
6
NC
7
VCC 1
8
OUT 1
S102
MODE4
MODE3
MODE2
MODE1
GND
47k
R145
S401
S402
SLR-342MCT31
D405
270
R410
S403
SLR-342MCT31
D403
JS101
S404
SLR-342MCT31
D401
S406
UN2213-TX
Q402
CN001
7P
D VS (CTL)
1
MOTOR GND
2
D FG
3
MOTOR +12V
4
D PG
5
GND (D)
6
+5V (D)
7
SLR-342VCT31
D402
SLR-342MCT31
D407
UN2213-TX
Q403
S407
SLR-342MCT31
D411
SLR-342MCT31
D410
UN2213-TX
Q401
UN2213-TX
Q406
270
R409
3P
CN031
1
CAM (-)
2
CAM (+)
3
CAM (+)
SLR-342MCT31
D406
9P
CN051
1
+5V
2
CAP RVS
3
CAP FG
4
CTL -REF
5
CAP VS
6
LIMITER (C PWM)
7
MTR 12V
8
MTR GND
9
D GND
SLR-342MCT31
D412
GP3S120
PH001
0.01u
B
C122
CL104
SLR-342MCT31
D409
JL055
330
R055
10k
R144
SLR-342MCT31
D404
JL054
R051
10k
JL001
UN2213-TX
Q405
JL053
4700
R052
10k
R109
S101
CL103
270
R413
JL052
10k
R053
JL102
B
C009
0.22u
CL123
UN2213-TX
Q404
JL051
10k
R054
47k
R108
JL002
SLR-342VCT31
D408
22k
R031
0.1u
F
C032
10k
R111
JL003
22k
R125
1800
R418
16V
47u
C031
1k
R136
CL121
22k
R133
4700
R056
10k
R112
CL124
22k
R126
0.1u
F
C033
10k
R110
39p
CH
C116
CL102
10k
R127
33k
R414
LB1943
IC031
1
GND
2
OUT2
3
IN1
4
IN2
5
NC
6
VC
7
VREF
8
Vcc1
9
Vcc2
10
OUT1
10k
R138
47p
CH
C115
10k
R128
GL528V1
D001
10MHz
X101
12p CH
C117
CL122
10k
R140
1800
R416
0.022u
B
C053
1k
R137
1M
R123
CL106
18k
R267
0.1u
F
C055
10k
R141
22k
R129
CL105
47k
R131
3300p
B
C054
10k
R009
33k
R106
CL101
47k
R134
5600
R411
0.047u
C052
B
10k
R135
22k
R107
JL004
10k
R132
RPT-37PBT32
Q001
68
R104
JL006
2200
R420
R033
15k
68
R103
JL007
47k
R032
10k
R139
JL101
CL031
16V
47u
C051
1k
R007
68
R102
JL005
12k
R412
GP3S120
PH002
0.01u
B
C123
1k
R008
0.01u
C102
CL125
JL404
1k
R121
JL405
330
R269
0.01u
B
C121
100p
CH
C114
1k
R268
2200
R004
JL402
+12V
68
R101
JL032
10k
R124
JL401
JL031
2200
R003
JL403
15p
CH
C120
220k
R105
JS401
15p
CH
C119
10k
RV102
JL407
RPT-37PBT32
Q002
1u
C101
JL406
100
R005
JL411
0.001u
B
C002
270
R405
0.1u
F
C006
270
R401
0.001u
B
C004
0.001u
B
C003
JL413
270
R407
2SD1664-T100-R
Q003
R417 270
+M12V
270
R415
100
R006
270
R402
0.001u
B
C001
UN2213-TX
Q408
220
R001
1800
R406
270
R403
220
R002
270
R419
16V
47u
C005
0.1u
F
C110
10k
R146
CL107
1u
C381
16V
47u
C380
1u
F
C125
ET001
1
A
M
M
M
MV100
MV99
MV61
MV60
MV59
MV58
MV55
MV54
MV20
MV45
MC39
MC40
MC96
MA17
MA19
MV27
MV24
MV21
MV57
MK5
MV56
MV43
MS92
ML87
ML76
ML77
ML75
ML78
ML79
ML80
ML81
ML80
ML79
ML78
ML77
ML76
ML75
MC82
ML87
ML90
ML91
MK3
MK4
MK5
MK6
MH98
MH97
MI95
ML88
ML89
MS7
MS13
MC96
MS13
MH12
MA10
MV11
MC25
MC38
MC39
MC40
MC25
MI95
MS93
MC66
MC67
MC67
MC66
MV94
MS7
MS74
MV18
MK6
MK3
ML81
MH23
MC38
MC26
MC82
MK4
MC86
ML91
ML90
MS93
MC86
MC26
MC32
MC31
MS92
MS74
ML88
ML89
(T REEL)
(S REEL)
NC
(CAM ENCODER)
(SEE PAGE 4-16)
MA-366 BOARD(3/4)
5
IC101
SERVO/SYSTEM CONTROL
IC103
+5V REG
IC031
CAM MOTOR
B
H
8
D
I
5
13
14
4
11
J
K
12
F
9
C
L
G
16
15
MA-366 BOARD(2/4)
7
2
E
3
10
05
6
M
CAM MOTOR
M903
DRUM MOTOR
M901
M902
CAPSTAN MOTOR
FR-167 BOARD
CN501
(SEE PAGE 4-17)
MA-366 BOARD(4/4)
6
(SEE PAGE 4-18)
12
13
14
7
8
MA-366 BOARD(1/4)
2
(SEE PAGE 4-10)
17
VIDEO
D412
R
HiFi
L
REC
D409
D410
D411
CA30/GA35:PL,TW/GA55PL/
GA85:PL,TW/SA33
GF85/SP100
EXCEPT
CA30/
D408
EXCEPT
CA30/GA35:PL,TW/GA55PL/
DRIVER
Q401-406
LED DRIVER
D407
TAPE
INSIDE
D401,402
(ON/STANDBY)
LED DRIVER
(T/S.LED)
(S SENS)
(T SENS)
IC102
POWER FAIL DET
RESET PULSE
GENERATOR
MODE CONTROL
RV102
AF
SWP
ADJ
RF
SWP
ADJ
GF85/SP100
GF85/SP100
(REC PROOF)
GF85/
SP100
GF85/SP100
TV
OTHERS
CONNECT
LINE-1
EXCEPT CA30/GA35/SA33
SYNCHRO
REC
S406
EXCEPT
REC
CA30/GA35/
GF85/
SP100
S408
REC
SYNCHRO
EXCEPT
CA30/GA35/
JS401
SWP
ADJ
PLAY
STOP
/
FF
REW
PAUSE
S401
S404
S405
S407
S402
S403
*:IMPOSSIBLE TO MEASURE THE
R:REC MODE
NO MARK:REC/PB MODE
Capstan servo(speed and phase)
Capstan speed servo
REC/PB
Ref.signal
Drum servo(speed and phase)
REC
Drum speed servo
Drum phase servo
PB
Y/CHROMA
VIDEO
SIGNAL
SIGNAL PATH
PB
18
19
20
P:PB MODE
VOLTAGE AT THE MARKED POINTS.
5
0.1
0.1
0.1
0.1
R0.1/
P4.4
0.1
4.9
R4.9/
P0
4.2
4.2
4.2
0.1
4.9
0.1
4.2
0.4
4.2
5
5
4.3
2.4
1.8
0.3
2.4
4.7
6.3
12.4
12.4
0.3
4.9
5
0.4
5
5
0.1
0.1
R4.9/P0
*
*
4.2
4.2
5
4.2
R2.5/P0.1
2.5
2.6
4.3
4.2
4
4.2
5
1.4
5
3.6
4.3
4.9
2.2
2.3
0.1
R0/P3.7
4.9
5
4.9
R4.8/P0.1
5
0.1
0
0
5
2.3
2.2
2.6
2.6
0.1
R0/P3.7
5
*
*
*
4.9
*
2.2
2.4
2.3
5
1.1
5
2.6
0
0
0
5
0
0
0
0
0
0
0
0.4
2.3
2.4
R2.8/P*
R2/P*
R2.5/P*
R2.5/P*
R2.1/P*
R2.5/P*
2.9
0.2
2.4
5
5
2.5
1.3
2.5
2.6
1.6
1.2
1
2
3
4
6
5
7
8
9
10
5
12.4
SA33
SA33
LED DRIVER
LED
DRIVER
GF85:PL,TW/SA33
SA33
GA35/
D403
(DANCE 1)
(DANCE 2)
D404
D405
(DANCE 4)
(DANCE 3)
D406
OSD
(CTL)
2fsc AMP
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
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