Cb Board Schematic Diagram - Sony KP-57WV600 Service Manual

CB BOARD SCHEMATIC DIAGRAM

1 | 2 | 3
A
B CRT DRIVE
TO F.BLOCK
—
I.C
CN9308
1P
G1
:ONE TOUCH
G2
1
R9335
B
R9304
10
560k
1/4W
1/2W
:FPRD
+210V
1
NC 2 C9301
0.001
GND 2kV
3
B
— NC 4 C9319
JW(5)
NC
5
C9302
HEATER(+) 6
0.0047
HEATER(-) 50V
7
F
CN9301
R9303
7P
C 680k 1/2W
WHT
:S-MICRO
TO D:CN8022
1
—
+200V
1
NC 2
R9307
GND 1.5k
3 1 2 3
1/16W
:RN-CP
NC 4
NC
5 C9304
D R9309 27p
HEATER(+) 6 1.8k CH:1608
1/16W
HEATER(-) 7 :RN-CP
C9305
BS 8 D9301
12p
MA111
50V
R9308
CH:1608
470 1/16W :RN-CP
— CN9302
8P
C9314
WHT L9301
0.01 C9303
+200V 22
:S-MICRO 25V
:LAV35 250V
B:1608
TO CG:CN9202
Q9309
R9334
R9351
1.2k 2SA1226
2.2k
1/10W BUFF
E 1/16W
CN9303 :CHIP
:RN-CP
4P
R9338
RED R9350
1k L9303
:S-MICRO 2.2k C9307
1/10W
470
:CHIP Q9303 :LAV35 1/16W
16V
2SC2412K :RN-CP
SW
TO B:CN2805 TO B:CN2805
B
— B 1
R9301
100
GND 2
1/10W R9302
330
P_MUTE 3 :CHIP
1/10W R9313
:CHIP 22k
OFFSET 4
1/16W
R9337 :RN-CP
CN9309 10k
R9336
4P WHT :S-MICRO 1/10W
F 10k
:CHIP
1/10W
TO CG:CN9204
:CHIP
Q9301 R9314
2SB709A 3.3k
+12V 1 1/16W
PEAK
:RN-CP R9318
IK 2
Q9305
C9310
GND 3 2SA1037AK
0.1
— 25V PEAK
SABL 4
F:1608
R9315
3.9k C9313
1/16W 0.1
:RN-CP 25V
F:1608
Q9308
R9345
G 2SC2412K
R9347 4.7k
100 1/10W
:CHIP Q9306
1/10W
:CHIP 2SA1037AK
R9349
47
1/10W
:CHIP
R9344
R9341
100k
— 1k R9340
1/10W
10k
1/10W
:CHIP
:CHIP 1/10W
:CHIP
CB BOARD WAVEFORMS
1 2
85.7 Vp-p (H)
2.0Vp-p (H)
| 4 | 5 | 6
TO F.BLOCK
J9301
F GND
R9324
1 CN9310
100
1P
1/2W
:FASTON
G1
12 4
CHASSIS_GND
G1
11 5
R9323
10 6
NL9302 1k
H CN9304
1/2W
9 7 80V
G2 8 1P
H
:FASTON
G1 K
FB9301
C9316 1.1UH
CHASSIS_GND
0.0047
50V
F
B
NL9303
SG9302
TP9301
KB
SG9301
DSP-501N L9302
:LAV35
R9319
4.7k
IC9301
TDA6120Q/N2/S1
VIDEO OUT
2
R9325
220
1/2W
4 5 6 7 8 9 10 11 12 13
R9339
100
1/2W
C9312 R9320
R9306
4700p 33k
*
500V 3W
E :RS
D9309
1SS83TD
D9302
PROT
1SS83TD
PROT
R9333
C9318
2k
0.1
1/10W
25V +12V
:CHIP
F:1608
D9310
C9306
MA111
0.1
25V PROT
C9309 Q9302
F:1608
0.1 2SK2036(TE85L)
R9327
25V BUFF
240k
C9311 F:1608
1/16W
100
R9332
16V :RN-CP
1.5k
R9316
R9317 1/10W
1.8k
4.7k S :CHIP
R9328
1/16W
1/16W
240k
:RN-CP
:RN-CP
1/16W
:RN-CP R9330
Q9304 4.7k
C9315
1/10W
2SC2412K
2200p
:CHIP
PEAK 50V
B:1608
2.2k 1/10W :CHIP
D9303
MA111
PROT
R9348
C9320 R9346
1k
0.47 10k
1/10W
10V R9342 1/10W
:CHIP
12k
B:CHIP :CHIP
1/10W
:CHIP
Q9307
2SA1037AK
R9343
10k
1/10W
:CHIP
9-965-926-01<DA4X>CB
| 7 |
CB BOARD IC
VOLTAGE TABLE
IC9301
PIN VOLT PIN VOLT
1 0.0 8 GND
2 3.5 9 N/C
3 5.0 10 200.0
4 3.5 11 N/C
5 0.0 12 144.4
6 12.0 13 2.2
7 9.4
All voltages are in V.
CB BOARD TRANSISTOR TABLE
B C E
Q9301 3.9 GND 2.7
Q9303 0.0 0.0 GND
Q9304 2.3 12.0 2.7
Q9305 1.7 GND 2.3
Q9306 7.3 7.7 7.8
Q9307 11.7 5.4 11.8
Q9308 7.7 11.7 7.0
Q9309 2.8 GND 3.7
D G S
Q9302 12.0 8.5 9.2
All voltages are in V.
— 69 —
CB
[B CRT DRIVE]
COMPONENT SIDE
1 2 3
A
B
C
D
CONDUCTOR SIDE
1 2 3
A
B
C
D
KP-57WV600/57WV700/
65WV600/65WV700
4
4