Sony SLV-AX10 Service Manual page 52

SLV-AX10/AX20/N50/N60/N70/N80/
LX4/LX5/LX6S/LX7S/LX8S
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.
2 3 4
1
MA-370 BOARD(2/8)
-REF.NO.:1000 SERIES-
Y/C,AUDIO PROCESSOR(VA BLOCK) XX MARK:NO MOUNT
A
TO PS
(AN) GND
B+
SW_5V
5
TO(7/8)
(AU) GND_AU
B+
SW_12V
Q380
2SD1620-TD
BIAS OSC
R1.7/P5.0
B R4.7/P5.0
R382
1
R1.8/P5.0
C382 R381
0.01u 3900
B
C383
47u
16V
T380
C
C384 BIAS OSC
XX TRANSFORMER
JS303
0
16
D
JS302
0.60mm
C370
XX
E
FULL ERASE HEAD
CN351 3P
3 GND (AU) 3
2 NC 2
1 FE HEAD 1
1 2 3
F
8 7 6
R371
18k
IC350
ACE HEAD HEAD SWITCH
AUDIO
G
CN350 4P
JL321
4 A HEAD PB 4
JL322
C363
3 A HEAD REC 3
4.7u
50V
2 GND (AU) 2
JL323
1 AERASE HEAD 1
ERASE
H
A MUTE VS1
JL213
Q VD VS2
JL214
I2C CLOCK(VIDEO) HS4
JL215
I2C DATA(VIDEO) HS3
R231
47k
RF SW P VS6
I 47k
R224
C ROT VS8
C570
*
B
J
R575
*
20 19 18 17
IC570
6
TO(3/8)
K
ARC
1 2 3 4
JL570
C572
L
*
50V
C573
*
C575
B
L570
B+ *
D7
ARC CLK VS11
M
D8
ARC DATA VS12
VIDEO OUT VS13
OSD V OUT VS15
16
Y/C, AUDIO PROCESS
MA-370 (2/8)
5 6 7 8
NO MARK:REC/PB MODE * MARKED : REFER TO PAGE4- MOUNT TABLE
R :REC MODE
P :PB MODE
R373
*
L350
C369
B+ XX
*
C381
0.01u B
JS301
0.60mm
L380
D351
R380
100uH
*
47 B+
JL320
D352
C356
*
33u
16V
Q351
R372
* C357
560
MUTE SWITCH 4.7u
50V
80 79 78 77
C371
560p ALC
CH DET
R357
8200
Vref
R383
180
C380
0
0.047u
MUTE
PET
R358
1800 2.3
REC
AMP
R359 C358
1u R
4700 50V LINE
A-GND
AMP
P
JL307 2.4
B+ C359
R362
2.4
1200 0.001u B
Vref
R363
R0.6/P0
18k REC
R370
12k
C361
C360 REC-EP.LP
R1.6/P5.0
XX
2700p B PB-EP AUTO
BIAS
R0.8/P0
R1.6/
2.4
P5.0
C364 C365
10u 50V 0.01u 2.4 REC
4
B EQ
R366
R364 AMP
R367
8200 2.3
270
5600
C368 R3.1/
R365
0.01u PB-LP.SP
330k P2.3
B
R369
C366
820 2.3
5 1u 50V
L352 R368
C367
0 JL305 0
XX
XX
A MUTE
R4.1/P0
C2
REC-H
0.8
C.ROT
R3.3/P0.2
HASW
0.8
FM
RF SWP
AGC
4.2
C1
TRICK-H
R1.6/
12
P2.0 ACC
DET
FILT
7
BAL
TC1
1 2 3 4
D2
15
D4
C202
0.01u
D5
B
L207
*
B+ C201
0.047u
B C253
*
R201
R223 330
*
R574
*
2SC2712Y-TE85L
16 15 14 13 12 11
L203
10uH
5 6 7 8 9 10
JL220
JL222
C576
JS570 JL219
D7 JS571
* *
* *
16V
B JL218
D8
JL217
4-9
9 10 11 12
L206 L205
100uH 100uH
C352
0.1u C241
F C249 C247 C245 C244 C239
1u 1u 0.01u 0.01u
1u 0.022u
B B B B B B
C351
XX
C240
C238
47u 16V
47u 16V
14
C250
0.047u
C350
1u B
50V
76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55
A-Vcc N.C N.C N.C N.C
VXO2
L2 L1
KIL INV
TU
DET VXO1
AMP VCO
1H/2H
SLD
D.L
D.L
EQ
REC REC REC
ALC APC APC APC
IC201
TH
Y/C PROCESSOR
AUDIO PROCESSOR
LPF
LA71052M-MPB
RA B
PB P
BPF1
BGA-B
PB P
ACC P BGA-A
YNR
AMP
REC R
R
P
BGA
P R
R
BPF2 LPF
P
P R
Sub Sub Main B-UP ACC
COVN BPF CONV AMP
AMP
R
1/2
P
R P R FBC
C-LPF
P
R
KIL
KIL
P R
B.D.
Y/C
REC FM Main N.L DETAIL CLAMP
MIX
EQ MOD EMPH EMPH ENH
PIC
CONT
SQPB
S P R
EQ DOUBLE SUB
DEMOD
N LIM LPF DHP N.L
NC De-EM
PB
SYNC
EQ
SEP
8
SERIAL
CLAMP DECODER
FMAGC EQ N.L SYNC
M-Em
DET Y-Vcc CTL FILT FIL Y GND DET
PB-H
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
C209
47u
16V 9
R207
XX
C210
2.0
0.1u B
C206
0.1u
B
Q201 R205
100k
BUFFER 0.5% R211
4700
C215
C216
10p CH
1u
50V
R2.4/
P2.1
5.0
Q202
R1.8/
2SC2712Y-TE85L P1.4
BUFFER
13 14 15 16 17
B+
100uH
E1
C203
*
B+
0.01u
54 53 52 51
4Fsc
C237
0.01u
B
0.8
D563
CLK IN
2.0
C236
0.01u B
9.0
C235 D561
1.4 0.1u B RD8.2ES-T1B
IC201
2.2
1H
D.L 1.4
4.9 B+
60/50
C234
1u
2.1
N.C B
1.9
Q203
2SA1162Y-TE85L
C233
3.1 10u 50V BUFFER
VCA
3.0
CLAMP
L204
R213
C232 100uH
5.0
13 1k
1u B
SW-Vcc
C230
R3.2/P1.3 0.1u F
CLAMP
C231
C229
C227 47u JL208
0.1u B
4.1 0.1u B
16V
REG
C228
47u 16V
P R R2.1/P0
CLAMP
C226
0.1u B
2.0
FBC
C225
1u 50V
R1.7/P0 JL207 E1
Chara
CLAMP
C224
INS.
0.1u
1.5 B
AGC
TC2
C223
22u 50V
1 2 3
6dB
SW GND
JS321
AMP
R2.2/P0.3 *
JS327
3.0
VIDEO E3
*
AGC
C222
10u
10 50V
JS323
*
AFC
E5
FILT
E7
27 28 29 30
11
C221
C220
0.01u 1u
B B
R209
1800
4-10
18 19 20
B+
L561
CN423 *
1 L2 VIDEO
2 AN GND TO
JK-178 BOARD
3 L2(L) CN801
4 AU GND (SEE PAGE
4-29)
5 L2(R)
R563 R562
180 150
1/4W 1/4W
3.3
R564
R561 68
330
C563
2.6
470u
6.3V
C562
C561
J561
47u JL560
B 16V
VIDEO
JL561
JS501 *
JS511
*
L
JS502 *
XX
JS503 * AUDIO
R
JS504 *
D562 C564
XX
XX
LINE LINE-1
OUT IN
J562
JS505 *
VIDEO
JS506 *
JS507 *
L
JS508 *
JS509 * AUDIO
R
JS510 *
LINE LINE-1
OUT IN
VS15 RF VIDEO
VT2 TU VIDEO IN
HT1 TU AUDIO L 7 TO(5/8)
HT2
TU AUDIO R
JL368
VT3 RF AUDIO
C336
JS326
*
*
50V
HV1 NA OUT
HV2 NA IN
HV3 AUDIO R OUT
HV4 AUDIO L OUT
HV5 L1 AUDIO R
8
HV6 L1 AUDIO L TO(4/8)
HM5 L2 AUDIO R
HM4 L2 AUDIO L
HT1 TU AUDIO L
JS324 JS325 HT2 TU AUDIO R
* *
RF AUDIO
HT3
C3
VA1 REC CURR ADJ
C2
VA2 REC H
C6
VA3 REC C
C4
VA4 REC Y RF 1 TO(1/8)
C5
VA5 PB RF
VS3 COMP SYNC
C1
VA7 TRICK-H
VV1
MEDIA VIDEO
9
TO(8/8)
VV2 VIDEO IN
SIGNAL PATH
VIDEO SIGNAL
AUDIO
CHROMA Y Y/CHROMA SIGNAL
REC
PB