Sony KP-ER43M31 Service Manual page 91

(28) Schematic Diagram of J1 (1/3) Board
1 3
2
A
CN8301
11P
RED-L
:S-MICRO
Y
FR Y IN 1
GND 2
C
B
FR C IN 3
GND
4
VIDEO
FR V IN 5
GND 6
AUDIO(L)
FR L IN
7
GND 8
AUDIO(R)
FR R IN 9
GND
10
FR S3 IN 11
TO H2 BOARD CN3201
C
(VIDEO IN 1)
J8301
1
3 4
R8304
1 2
2.2k
:CHIP
R8306
75
:CHIP
V 1
D
R8323
R8307
75
:CHIP
:CHIP
L 1
C8303
R8308
470p 220k
CH:CHIP :CHIP
R 1
C8304
R8309
470p
220k
CH:CHIP
:CHIP
(VIDEO IN 2)
J8302
2 V2
R8324
R8310
E
75
:CHIP
:CHIP
L2
C8305
R8311
470p
220k
CH:CHIP
:CHIP
R2
C8306
R8312
470p 220k
CH:CHIP :CHIP
R8325
(VIDEO IN 3)
100
:CHIP
J8303
3 V3
R8313
75
F
:CHIP
L3
C8307
R8314
470p
220k
CH:CHIP
:CHIP
R3
R8315
C8308
220k
470p
:CHIP
CH:CHIP
(MONITOR OUT)
R8303
68
J8304 :CHIP
V
R8316
R8301 470k
:CHIP
470
G
:CHIP
L
C8309 R8328
470p 470k
CH:CHIP :CHIP
R
R8302 C8310
470p
470
:CHIP CH:CHIP
(COMPONENT IN)
J8305
Y
Y
R8317
75
:CHIP
H
B-Y
C /B-Y
B
R8318
75
:CHIP
R-Y
C /R-Y
R
R8319
75
:CHIP
L
L
R8320
220k
:CHIP CH:CHIP
R
R
R8321
I 220k
:CHIP CH:CHIP
J8901
2P
FIX/
VARIABLE OUT
R8413
470
(AUDIO OUT)
:CHIP
L
C8347
470p
CH:CHIP
0.1
R
R8464 C8348 0.1
470p
470
:CHIP CH:CHIP
J
Q8321
2SC1623-L5L6
0.6
MUTE
4 5 6
R8345 C8332
100 :CHIP 0.47 16V B:CHIP
Y4
R8330 D8320
75 R8347 C8329
UDZ-8.2B
100 :CHIP
:CHIP 0.1 25V B:CHIP
PROTECT
C4
R8344
D8322
75 R8346 C8333
UDZ-8.2B
:CHIP 100 :CHIP 4.7 10V F:CHIP
PROTECT CV4
R8337 D8323
75 R8352 C8331
UDZ-8.2B
:CHIP 4.7k :CHIP 1 16V F:CHIP
PROTECT
L4
C8302 R8326
D8324
470p 220k R8351 C8330
UDZ-8.2B
CH:CHIP :CHIP 4.7k :CHIP 1 16V F:CHIP
PROTECT R4
C8301 R8305
D8325
R8348
470p 220k
UDZ-8.2B
CH:CHIP :CHIP 2.2k :CHIP
PROTECT S4
C8326
R8334 0.47
100
16V
:CHIP B:CHIP Y
Y1
R8327
C8317
100
C
:CHIP 0.1 25V B:CHIP
C1
S1
C8320 D8301
R8322 D8302 D8321
75 4.7 UDZ-8.2B
UDZ-8.2B UDZ-8.2B
:CHIP 10V PROTECT
PROTECT PROTECT
F:CHIP
VIDEO
CV1
C8311
D8303
100 1
R8339
16V UDZ-8.2B
4.7k
F:CHIP PROTECT
:CHIP AUDIO(L)
L1
C8312
D8304
1 R8343
UDZ-8.2B
16V
4.7k
PROTECT
F:CHIP
:CHIP AUDIO(R)
R1
D8305
UDZ-8.2B
C8321 PROTECT
4.7
TO J1 1/3,J1 2/3,3/3_1
10V
F:CHIP
VIDEO
CV2
D8306
C8322
UDZ-8.2B
100 1
R8340
16V PROTECT
4.7k
F:CHIP
:CHIP AUDIO(L)
L2
D8307
C8323 CV
UDZ-8.2B
1 R8341
16V PROTECT
4.7k
F:CHIP
:CHIP AUDIO(R)
R2
D8308
UDZ-8.2B
PROTECT
C8324
4.7
10V
F:CHIP
VIDEO
CV3
C8313 D8309
1 R8342 UDZ-8.2B
16V
4.7k
F:CHIP PROTECT
:CHIP AUDIO(L)
L3
D8310
C8314
1
R8338 UDZ-8.2B
16V
4.7k PROTECT
F:CHIP
:CHIP AUDIO(R)
R3
D8311
UDZ-8.2B
PROTECT
C8325
470
16V VIDEO
CV
D8312
UDZ-8.2B
C8318 R8349
PROTECT
47 1k
16V :CHIP AUDIO(L)
L L
D8313
C8319 R8350
UDZ-8.2B
47 1k R
PROTECT
16V :CHIP AUDIO(R)
R
D8314
R8329
UDZ-8.2B
470k
PROTECT
:CHIP
Y
Y
R8331
D8332
100
DA204K
:CHIP
D8315
PROTECT
DA204K
PROTECT
R8332 B-Y
BY
100
:CHIP
D8334
D8316 DA204K
DA204K PROTECT
R8333
PROTECT
100
:CHIP R-Y
RY
D8317 D8335
DA204K DA204K
PROTECT PROTECT
AUDIO(L)
C8315 L
470p
R8335 C8327
D8318
4.7k 1
UDZ-8.2B
:CHIP 16V
PROTECT
F:CHIP
C8316
470p AUDIO(R)
R
R8336 C8328
D8319
4.7k 1
UDZ-8.2B
:CHIP 16V
PROTECT
F:CHIP TO J1 1/3,J1 2/3_23
AUDIO(L)
L
D8333
C8349 R8469
R8431
Q8322 UDZ-8.2B
R8467 47 1k 0
2SC1623-L5L6 470k 16V PROTECT :CHIP
:CHIP
MUTE :CHIP
R8432
D8336
R8465 0
C8352 R8510
47k :CHIP
47 UDZ-8.2B :CHIP
R8468 1k AUDIO(R)
R
470k 16V PROTECT :CHIP
0.6 :CHIP
TO J1 1/3,J1 2/3_7
R8466
:CHIP
10
7 8 9
Q8303
Q8302
FL8301
2SC1623-L5L6
2SC1623-L5L6
+9V EMI 4.3
ATT ATT
EMI
C8337
4.4
0.1
C8336
47 25V
B:CHIP
16V
R8364 R8367 R8378 R8380
220 3.7
470 470 100
:CHIP :CHIP :CHIP :CHIP
VIDEO
5.1
R8379
220
R8384
Q8301 4.4 :CHIP
100
2SA1037AK :CHIP
BUFFER
4.3
Q8304
2SC1623
R8377
-L5L6
100
ATT
:CHIP
R8370
100
:CHIP
C8343
C8346
47
0.1
16V
25V
B:CHIP
R8381
100
R8376
:CHIP
1k
:CHIP
C8342
10
51 50 49 48 47 46 45 44 43 42 41 40 39
AUDIO(L) 4.4
52 LOUT1
4.4
53 VOUT1
AUDIO(R) 1
4.4
54 ROUT1
2
55 TRAP1
56 YOUT1
57 VGND
IC8302
58 COUT1 CXA2069Q
4.4
L AV SW
59 LV6
C8340 0.47 16V B:CHIP 5.1
S-TV
60 V6
R8355 47 :CHIP 4.4
R
61 RV6
C8338 1 16V F:CHIP
L 4.4
62 LTV
R8365 5.6k :CHIP 4.8
M-TV
63 TV
R R8356 47 :CHIP C8341 0.47 16V B:CHIP
64 RTV
R8366
C8339 4.4
5.6k
1
:CHIP
16V
F:CHIP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
3
VIDEO/Y/C
AUDIO(L/R)
VIDEO/AUDIO(L/R)
– 91 –
KP-ER43M31/M61/M90/M91,ER53M31/M61/M90/M91
11 12
13
TO J1 1/3,J1 2/3_2
3.6
R8382
Q8306
220
2SC1623
:CHIP Q8308
-1526
2SC1623
ATT
-1526
R8383
ATT
220
:CHIP
4.4 3.7
3.0
3.7
R8395 R8405
3.6
220 220
:CHIP
R8388 :CHIP
TO J1 1/3,J1 2/3_3
180
:CHIP R8406
R8396 220
R8389
220 :CHIP
220
:CHIP
:CHIP
4.4
3.7
Q8309
R8407
2SC1623-L5L6 220
ATT :CHIP
R8386 R8408
R8385
100 220
100
:CHIP :CHIP
:CHIP
R8399 100 :CHIP
SDA
4.3
TO J1 1/3,J1 2/3,3/3_6
SCL
R8400
38 37 36 35 34 33
100
:CHIP R8515 R8514
0
:CHIP :CHIP
R8402 C8350
ADR 32
5.6k
1 16V F:CHIP
4.4
:CHIP
RV5 31
R8403
C8351
V5 30 5.6k
1 16V F:CHIP
4.8 :CHIP
LV5 29
4.4
S4
S-4 28
S2-4 27
4.4
C4
C4 26
4.4 R4
RV4 25
3.9
Y4
Y4 24
4.4
L4
LV4 23
3.9 CV4
V4 22
S-3 21
S2-3 20
TO J1 1/3,J1 2/3_5
J1
(1/3)
(AV SELECT SWITCH)
RM-961
15
14
0
B-SS885.<E..>-J1-P1-08