Sony RMT-V266A, Service Manual

Page: 52 / 95

SLV-AX10/AX20/N50/N60/N70/N80/
LX4/LX5/LX6S/LX7S/LX8S
4-9 4-10
For schematic diagram
• Refer to page 4-5 for printed wiring board.
• Refer to page 4-23 for waveforms.
• Refer to page 4-25 for mounted table.
Y/C, AUDIO PROCESS
MA-370 (2/8)
330
R203
0
R208
1500 R210
±
0.5%
100k
R205
*
R204
0.01u
B
C202
0.01u
B
C208
180p
CH
C214
33p
CH
C211
XX
C219
*
B
C218 XX R207
2SC2712Y-TE85L
Q201
1800
R209
390p
CH
C213
0.1u B
C224
50V
10u
C222
16V 47u
C228
0.1u B
C229
0.01u
B
C237
0.01u B
C236
0.1u B
C235
1k
R213
2SA1162Y-TE85L
Q203
1500 R214
8200 R215 1800 R216
0.047u
B
C250
X201
3.579545MHz
50V
1u
C350
XX
C351
*
R355
*
R356
2.2M R354
560
R372
*
R373
18k
R363
0.01u
B
C365
1200
R362
8200
R357
270
R364
8200
R366
5600
R367
50V
4.7u
C357
0
R368
50V 10u
C364
1800
R358
4700
R359
0.01u
B
C368
*
D351
*
D352
*
Q351
T380
1 2 3
4 5 6
7 8
0.01u B
C381
180
R383
PET
0.047u
C380
3P CN351
1
2
3
4P CN350
1
2
3
4
18k
R371
3900
R381
47
R380
SW_5V
GND_AU (AU)
L201 39uH
39p
CH
C207
50V 10u
C233
VS2
HS4
HS3
VS6
VS8
VA1
VA2
VA4
VA3
VA7
VA5
50V
1u
C358
BA7755AF-E2
IC350
1 2 3 4
5 6 7 8
12k
R370
GND (AN)
IC201
LA71052M-MPB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
2700p B
C360
0.001u B
C359
XX
C370
5600 R351
68k
R350
0.047u
B
C201
XX
C212
XX
R206
1
R382
0.01u
B
C382
50V
4.7u
C363
330k
R365
1/4W
*
R352
*
R353
0.022u
B
C247
820
R202
330
R201
2SC2712Y-TE85L
Q202
4700
R211
560
R212
16V
33u
C356
0.1u F
C352
*
C353
50V
10u
C354
*
C355
*
C369
50V
1u
C366
2SD1620-TD
Q380
0.01u
B
C205
0.1u
B
C206
0.022u
B
C217
0.01u
B
C220
50V 22u
C223
50V 1u
C225
0.1u B
C226
50V
1u
C216
0.01u
B
C242
0.01u
B
C243
0.01u
B
C246
0.047u
B
C248
0.1u B
C227
0.1u F
C230
16V
47u
C231
L204
100uH
0.1u B
C210
16V
47u
C209
L203
10uH
10p CH
C215
100uH
L202
L350
XX
L206
100uH
0.01u
B
C241
0.01u
B
C239
16V 47u
C240
16V 47u
C238
L205
100uH
VS1
SW_12V
MSB709-R
T1
Q561
470u
6.3V
C563
75
R565
JL560
150
1/4W
R562
68
R564
JL561
47u
16V
C562
J562
*
330
R561
0.01u
B
C561
XX
D562
100uH
L561
VS11
VS12
VS13
JS571
*
VS15
VV2
VV1
*
JS321
*
JS324
*
JS325
*
JS323
VS15
VT3
HV2
HV5
HV6
HM5
HM4
HT1
HT2
VT2
HT1
HT2
HV1
HV3
HV4
HT3
JL321
JL322
JL323
JL306
JL320
JL307
JL305
JL201
JL202 JL203 JL204
JL205 JL206
JL207
JL208
JL209
JL210 JL211
JL301 JL304 JL302 JL303
JL308
VS3
50V
*
C336
*
JS326
JL368
0.60mm
JS301
180
1/4W
R563
0
R220
0
R221
100
R219
XX
R222
47k R224
560p
CH
C371
47k R231
*
JS327
1u
C234
B
1u
C232
B
1u
C244
B
1u
C249
B
1u
C245
B
1u
C221
B
1u C204
B
0.1u
B
C251
820
R369
XX
L352
XX
C367
* B
C252
RD8.2ES-T1B
D561 XX
C564
XX
C384
JL213
JL214
JL215
JL217
JL218
JL219
JL220
JL222
0.60mm
JS302
XX
D563
100uH
L380
16V
47u
C383
2SC1815GR-TPE2
Q350
XX
C361
16V
47u
C362
* CN423
1
2
3
4
5
J561
*
* JS501
* JS502
* JS503
* JS504
* JS505
* JS506
* JS507
*
JS508
* JS509
*
JS510
* JS511
*
JS512
0
JS303
JL572 C572
50V
*
C573
*
B
*
R574
R571
*
C574
50V
*
C571 *
F
*
R575
C575
*
B
R572
*
C578
*
B
JL570
C576
16V
*
C570
*
B
*
IC570
1
C OUT
2 3 4
Y OUT
5
VCC
6
FIL ADJ
7
MONI 1
8
MONI 2
9
CLK
10
D
ATA
11
MAIN OFF
12
SUB
13
SUB
14
SUB
15
SUB
16
GND
17
REG
18
Y IN
19 20
C IN
C577 *
B
JL571
R570
*
*
R573
L570
*
*
JS570
*
C203
*
L207
*
C253
*
R223
1
A
1
2
3
1
2
3
4
E3
C3
C2
C6
C3 C4
C4
D2
D2
E5
C5
C1
E1
D7
D8
E7
E5
D4 D5
E7
C2
D4
D5
E1
C6
E3
D7
D8
C5
C1
TO PS
RF VIDEO
TU AUDIO R
TU AUDIO L
L1 AUDIO R
L1 AUDIO L
AUDIO R OUT
AUDIO L OUT
A MUTE
GND (AU)
FE HEAD
AERASE HEAD
GND (AU)
A HEAD REC
A HEAD PB
TRICK-H
REC H
REC CURR ADJ
REC Y RF
REC C
PB RF
Q VD
I2C CLOCK(VIDEO)
I2C DATA(VIDEO)
RF SW P
C ROT
ACC
Chara
R
INS.
P
6dB
P
AMP
SYNC
SEP VIDEO
AGC
CLAMP
CLAMP
FBC
CLAMP
CLAMP
TC2
AGC
SW-Vcc
REG
CLAMP
P
ACC
R
DET
YNR
FILT
R
REC-EP.LP
LPF
PB-EP
1/2
REC
FBC
PB-LP.SP
R
Y-Vcc
P
RF SWP
P
C.ROT
R
HASW
P
REC-H
R
TRICK-H
1
CCD VCC
2 3
1H
D.L
R
N.C
KIL
60/50
R
VCA
C-LPF
SW GND
P
A-Vcc
B.D.
ALC
KIL
DET
ENH
A-GND
DETAIL
C-GND
EMPH
N.C
N.L
N.C
AGC
N.C
EMPH
D.L
TC1
1H/2H
PB
4Fsc
Main
EQ
FM
CCD GND
EQ
NTSC:H
MOD
C-Vcc
BAL
CLK IN
FM
AFC
REC
FILT
EQ
N.C
SQPB
P
DOUBLE
P
LIM
P
DEMOD
R
LPF
P
SUB
S
N P
R
SERIAL
DECODER
DET
SYNC
DET
FMAGC
CLAMP
VIDEO FILT
M-Em
CTL
EQ
FIL PEAKING
N.L
Y GND
R
BPF2
BGA
PB
PB
BGA-A
REC
BGA-B
B RA
R
AMP
A MUTE
ACC
P
APC
REC REC
AMP
REC
EQ
APC
AUTO
APC
BIAS
VXO1
P
KIL
R
DET
REC
AMP
AMP
VCO
MUTE
SLD
AMP
INV
LINE
EQ
Vref
D.L
ALC
BPF1
Vref
TH
REC
LPF
P
Sub
R
COVN
MIX
Sub
CONT
BPF
De-EM
Main
NC
CONV
DHP
B-UP
PIC
AMP
N.L
AMP
Y/C
L
R
ARC CLK
ARC DATA
VIDEO OUT
OSD V OUT
VIDEO IN
MEDIA VIDEO
PB-H
VXO2
TU VIDEO IN
RF AUDIO
NA OUT
NA IN
L2 AUDIO R
L2 AUDIO L
TU AUDIO L
TU AUDIO R
RF AUDIO
L1
L2
TU
COMP SYNC
L2(R)
L2 VIDEO
AN GND
L2(L)
AU GND
VIDEO
L
R
0.5%
B
16
H
19
M
15 4
E
10 12 13
K
20 9 17
D
11
C
L
14 7 3
I
2 6 18
J
5
F
8
G
REC
Y/CHROMA CHROMA
SIGNAL PATH
Y
MA-370 BOARD(2/8)
16
AUDIO
SIGNAL
PB
VIDEO SIGNAL
B+
B+
B+ B+
B+
B+
FULL ERASE HEAD
ACE HEAD
R1.7/P5.0
14
R4.7/P5.0
R1.8/P5.0
16
2.3 2.2 2.3 0 2.3 5.0 2.3 1.9
5.0 0 R3.3/ P0.2
2.4
IC350
HEAD SWITCH
R1.6/
P5.0
R0.8/P0
0
2.3
R3.1/
P2.3
2.4
2.4
R0.6/P0
R1.6/P5.0
R0.8/P0
2.4
2.4
2.3
0
2.3
0.8
R4.1/P0
R3.3/P0.2
0.8
R1.6/
P2.0
4.2
12
IC570
ARC
2.6 2.8 1.8 4.1 4.9 1.9 1.8 2.6 2.4
2.9 2.3 1.8 4.9 1.1 5.0 5.0
B+
B+
R0/
P2.5
R2.4/
P0.3 2.3 2.6
R1.5/
P1.7 2.0 2.0 3.1 5.0
R2.4/P2.0 R0.2/P1.8
1.1 2.2
R2.4/
P1.6
R2.4/P1.5 R3.1/P2.5
3.1 1.8 3.4
3.0-3.7
4.6 4.8 2.3
R0.1/P1.5
0
1.8 0.3
2.0
3.7
1.3
15
7
8
5.0
R1.8/
P1.4
R2.4/
P2.1
9
10
11
3.0
R2.2/P0.3
1.5
R1.7/P0
2.0
R2.1/P0
4.1
R3.2/P1.3
5.0
3.0
3.1
1.9
0.8
4.9
2.2
1.4
9.0
2.0
13
2.1
B+
1.4
B+
LINE-1
IN
LINE
OUT
LINE LINE-1
OUT IN
VIDEO
AUDIO
AUDIO
3.3
2.6
B+
Y/C PROCESSOR
IC201
AUDIO PROCESSOR
2.5 3.8 4.9 3.3 3.3 3.4 3.3 2.1 3.4 4.9 2.5 4.9 1.8 2.5
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE -REF.NO.:1000 SERIES-
Y/C,AUDIO PROCESSOR(VA BLOCK) XX MARK:NO MOUNT
* MARKED : REFER TO PAGE4- MOUNT TABLE
5
TO(7/8)
BIAS OSC
MUTE SWITCH
BIAS OSC
TRANSFORMER
BIAS SWITCH
NC
AUDIO
ERASE
6
TO(3/8)
BUFFER
BUFFER
BUFFER
B+
BUFFER
TO
JK-178 BOARD
CN801
(SEE PAGE
4-29)
7
TO(5/8)
TO(4/8)
8
1
TO(1/8)
9
TO(8/8)