Schematic Diagram Of A (3/3) Board - Sony KP-48PS2 Service Manual

(3) Schematic Diagram of A (3/3) Board

1 2 3
CN1302 CN1605
3P
10P
WHT :MINI
A
:S-MICRO
TO G(2/2)BOARD
TO H1 BOARD
CN6301
CN3102
+5V STBY
+5V
D1401
UDZ-6.2B
D1402
UDZ-6.2B
D1403
UDZ-6.2B
D1404
UDZ-6.2B
B
C
TO A1/3,A3/3_3
D
TO A1/3,A3/3_4
E
F
G
H
A
(3/3)
I
(TUNER)
4 5 6
FOR CHECK
CN1504
CN1502
5P
20P
RED
AMP20PMAL
:S-MICRO
TO D(1/4)BOARD
CN5016
+5V STBY
DM(1)
VCOMP
C1430
1
16V
F:CHIP
R1420
47k
:CHIP
R1304
100 R1305
:CHIP 10k
:CHIP
R1303
100 +33V
:CHIP
SDA
C1302
SCL
0.01
B:CHIP
C1301
220
10V
L1302
10µH
SCL SDA
C1305
220
10V
R1321 R1323 R1324
10k 100 10k
:CHIP :CHIP :CHIP
R1322
100
:CHIP C1306
0.01
B:CHIP
TO A2/3,A3/3_10
TO A2/3,A3/3_11
VIDEO
TO A2/3,A3/3_12
AUDIO(L/R)
TO A2/3,A3/3_13
7 8 9
CN1501
20P
AMP20PMAL
TO D(1/4)BOARD
CN5017
+10.5V
+9V
D1406
DAN202K
R1426
68k
D1405
:CHIP
UDZ-6.8B
4.4
4.5 GM(1)
OVP
Q1409
R1461
2SA1037AK
OCP
R1422 10k
3.7 R1462
AC ON/OFF
1k 10k :CHIP
SW
:CHIP R1427 :CHIP
Q1422
47k
2SC2412K
:CHIP
+5V STBY
4.6 1.2 SW
Q1421
-8.6
2SA1037AK
R1429
INV.
-8.0 4.7k
:RN-CP
-8.6
R1428
+6.5V
D1421
30k
UDZ-3.9B
:RN-CP
-12V
TU1301
MAIN TUNER
+5V-TU
R1301
L1301
470
10µH 4.3
:CHIP Q1301
+10.5V
4.3 2SA1037K +9V
Q1302
CLAMP
2.3
2SA2412K
2.8
BUFF
R1306
100 1.7 Q1303
R1308 R1309 R1311
:CHIP
R1307 12k 470 10 2SA1037K
R1310
:CHIP :CHIP :CHIP 8.2
470 CLAMP
470
:CHIP
8.2
:CHIP
3.2
Q1304
4.5
2SA2412K
R1312
C1304 BUFF
DEF +9V
100
100p
R1317
:CHIP 2.5
470 CH:CHIP
4.3
:CHIP Q1305
R1315
4.3 2SA1037K +5V
470
Q1306 CLAMP :CHIP
2.3
2.7
2SA2412K
R1313 R1314
BUFF R1318
+9V
R1319 6.8k 470 560
:CHIP :CHIP
100 :CHIP
1.6
:CHIP
R1325
R1320
+12V
470 470
:CHIP
:CHIP
QSS2
TU1302
SUB TUNER
+9V
R1329
2.2k
:CHIP
Q1308
R1330 2SA1037K
8.9
2.2k SP MUTE
:CHIP 0
R1331
560
:CHIP
R1233
0 :CHIP
R1332
0
:CHIP AUDIO(L)
HP-L OUT
R1234
0 :CHIP
R1333
0
R1231
:CHIP AUDIO(R)
HP-R OUT 0 :CHIP
R1232
0 :CHIP
H L
ST-BY ST-BY POWER ON
OVP POWER DOWN POWER ON
OCP POWER DOWN POWER ON
APROT POWER DOWN POWER ON
B-SS624.<AEP>-A..-P3-05
– 43 –
10 11 12
CN1606
5P
WHT
:S-MICRO
TO G(1/2)BOARD
R1460
1k
CN6300
:CHIP
1 AC ON/OFF
2 0VP
3 0CP
4 GND
5 STBY+5V
1 GND
GND
2
3 +6.5V
4 +6.5V
5 +6.5V
6 GND
7
GND
8 GND
9 +10.5V
10 +10.5V
CN1603
10P
WHT
:S-MICRO
TO G(2/2)BOARD
CN6303
1 DEF +9V
2
GND
3 D+5V
4 GND
5 +9V
6 GND
7 +12V
8 GND
CN1503
8P
WHT
:S-MICRO
TO D(1/4)BOARD
CN5018
5 SP MUTE(NC)
4 HP L OUT
3 GND
2 GND
1 HP R OUT
CN1301
5P
BLK
:S-MICRO
TO H2 BOARD
CN3202
TO G(1/2)BOARD
1 GND(ANT)
CN6308
CN1665
1P
:FASTON
1 GND(ANT) TO G(1/2)BOARD
CN6002
CN1666
1P
:FASTON
1 GND TO CRT BRACKET
CN1661
1P
:FASTON
KP-48PS2/61PS2
RM-903
13 14