Ma-402 (Hi-Fi Audio) Schematic Diagram - Sony SLV-ED212 Service Manual

MA-402 (Hi-Fi AUDIO) SCHEMATIC DIAGRAM

– Ref. No: MA-402 Board; 1000 series –
• See page 4-5 for printed wiring board.
1 2 3
MA-402 BOARD(4/8)
A
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
B
C
AUDIO CH2 HC35
D 6
CL301
AUDIO REC HC36
MA 402 (1/8)
(SEE PAGE 4-9)
HC37
AUDIO CH1
AF ENV AFENV
JL385
AF_REC_P
E
JL372
AFSWP
10
JL373
SDA
MA 402 (2/8)
(SEE PAGE 4-13)
JL374
SCK
JL375
AFENV
B+
JL378
F UN5V
G
17
HIFI_GND
B+
JL382
MA 402 (8/8)
SW12V
(SEE PAGE 4-27)
B+
JL383
SW5V
H
I
J
4 5 6
ED818/ED919/LF1
C309
8200p
C308 B
10u
50V
R306
27k
33
C304
0.01u
B
11.7
Vcc 12V
R4.1/
P0.6
PB IN2
R4/
P0.6
REC OUT
C323
R4.1/
0.1u
P0.6
F
PB IN1
C324
R4/P0
0.01u
B
HM SW
R329
470
Vss D
R301
C303
2.2u
10k
4.8
F
Vcc 5V
0.8
AF SWP
R302
18k 4.6
SDA
R304
1k 4.6
SCL
R305
R0.2/
1k
P3
AF ENV
C306
XX
16V
C307
47u
1
16V
B+
4-19
7 8 9
C315
C313
8200p
10u
C311 C316
B
50V
10u 10u
R307
50V 50V
2200
R311
C312
2200
2.2u
C310
50V C314
R308
47u
47u
39k
25V
25V
R312
27k
32 31 30 29 28 27 26 25 24 23
3.8
NA IN
4.6
NA OUT
L2 OUT R
L2 OUT L
IC301
0 C319
MUTE
10u
HI-FI AUDIO
50V
6.1
PROCESS L1 OUT R
* IC301
6.1
TDA9605H/N2,557 L1 OUT L
0
MUTE
4.5
MUTE
3.9
RF OUT
0
ALC
R313
3.3M
2 3 4 5 6 7 8 9 10 11
R328
470
R310
R327
470
470
R322 R309
0 470
SLV - ED212/ED717/ED818/ED919/LF1
10 11 12
C317
1u
50V
C318
10u
50V
Q302
2SC2712Y-TE85L
C320
MUTE
10u
50V
-0.4 -0.6
0
Q301
2SA1162Y-TE85L R318
MUTE CONTROL 1k
R314
4.9
10k 0
5
-0.6
R317
3300
R319
1k
JS301
C322
Q303
XX
10u
2SC2712Y-TE85L
MUTE
50V
B+
SIGNAL PATH
AUDIO
SIGNAL
NO MARK:REC/PB MODE
R:REC MODE
REC
P:PB MODE
PB
4-20
13 14
6
BIAS_GND
MA 402 (1/8)
JL361
(SEE PAGE 4-9)
HA22 NA IN
JL360
HA21 NA OUT
HIFI_GND
JL362
HA17 AUDIO R OUT
JL363
18
HA16 AUDIO L OUT
MA 402 (6/8)
(SEE PAGE 4-23)
JL364
HA11 L1 AUDIO R
JL365
HA10 L1 AUDIO L
JL366
HA7 L2 AUDIO R
JL367
HA6 L2 AUDIO L
JL384
HT13 19
RF OUT
JL369
HT3 TU AUDIO R
MA 402 (5/8)
JL370
(SEE PAGE 4-21)
HT2 TU AUDIO L
JL379
HT1 TU AUDIO MOD
Hi-Fi AUDIO
MA-402 (4/8)