Sony KDP-51WS550 Service Manual page 22

CB BOARD SCHEMATIC DIAGRAM
1 | 2 | 3
A
TO F.BLOCK
F GND
1
TO F.BLOCK
—
B CRT DRIVE 12
I.C
CN9308
11
1P
G1
:ONE TOUCH
10
9
G2
8
G2
1
G1 K
B
SG9303 R9304
560k
1/2W
+210V
1
B
R9335
NC NL9301 C9301
2
10
JW5MM 0.001
1/4W
GND 3 2kV
:FPRD SG9302
B
NC 4
—
NC
5
C9319
6 JW(5) C9302
HEATER(+)
0.0047
HEATER(-) 7 50V
C9317
F
JW(5)
CN9301
R9303
7P
680k 1/2W
C
BLK
:S-MICRO
TO D:CN5003
TDA6120Q/N2/S1
VIDEO OUT
1
—
+200V 1
R9307
1.5k
NC 2
1/16W
GND :RN-CP
3 1 2 3 4 5
NC 4
R9309
1.2k
NC 5 C9304
1/16W
D 27p
HEATER(+) :RN-CP CH:1608
6
HEATER(-) C9305
7
R9306
12p
50V 220
CN9302
D9301 1/16W
CH:1608
7P MMDL914T1 :RN-CP
WHT R9308
:S-MICRO 470 1/16W :RN-CP
—
TO CG:CN9202
C9314
L9301 C9303
0.01
+200V
25V 22
:LAV35
B:1608 250V
R9333
Q9309
2k
R9334
2SA1226 R9351 1/16W
C9318
1.2k :RN-CP
BUFF 2.2k
0.1
1/10W
E 1/16W 25V
CN9303 :CHIP
:RN-CP F:1608
4P
WHT L9303 R9350
C9306
2.2k C9307
:S-MICRO
0.1
1/16W 470
:LAV35
25V
:RN-CP 16V
C9309
TO MA:CN0401 F:1608
0.1
25V
B
C9311 F:1608
B
— 1
R9302 100
R9301
0 16V
GND 100
2
1/16W R9316
1/10W
:RN-CP 1.8k
P_MUTE 3 :CHIP
R9313 1/16W
OFFSET 18k :RN-CP
4
1/16W
:RN-CP
CN9309
4P WHT :S-MICRO Q9304
F
MSD601-RST1
Q9301
TO CG:CN9204 PEAK
MSB709-RT1
R9314
PEAK 4.3k
+12V
1
1/16W
R9318 2.2k 1/10W :CHIP
:RN-CP
IK
2
C9310 Q9305
GND 3
0.1 MSB709-RT1
25V PEAK
— SABL 4
F:1608
C9313
R9315
0.1
3.3k
25V
1/16W
F:1608
:RN-CP
R9355
100
1/10W
:CHIP
R9356 R9345
G 100 4.7k
C9320
1/10W 1/10W
0.47
:CHIP :CHIP
10V
R9352
B:1608
0 R9349
1/10W 100
:CHIP 1/10W
:CHIP
R9344
Q9306 100k
R9340 1/10W
— MSB709-RT1
D9305
10k :CHIP
MM3Z12VST1 1/10W
:CHIP
R9347
1k
Q9311
1/10W
MSD601-RST1
:CHIP
H
CB BOARD WAVEFORMS
1
2
85.7 Vp-p (H)
2.0Vp-p (H)
| 4 | 5 | 6 |
J9301
CN9310
1P
G1 :FASTON
4
CHASSIS_GND
G1
5
R9323
6 NL9302 1k
H CN9304
7 80V 1/2W
1P
H
:FASTON
FB9301
C9316 1.1UH CHASSIS_GND
0.0047
50V
F
NL9303
TP9301
KB
SG9301
DSP-501N L9302
:LAV35
R9319
4.7k
IC9301
2
R9325
220
1/2W
6 7 8 9 10 11 12 13
R9339
100
1/2W
C9312 R9320
4700p 33k
500V 3W
E :RS
D9309
1SS244-T77
D9302
PROT
1SS244-T77
PROT
+12V
Q9302
2SK2036(TE85L)
R9327
BUFF
240k
1/16W
R9332
:RN-CP
1.5k
R9317 1/10W
4.7k S :CHIP
R9328
1/16W
240k
:RN-CP 1/16W
:RN-CP R9330
4.7k
C9315
1/10W
2200p
:CHIP
50V
B:1608
D9303
MMDL914T1
PROT
R9348
R9346
1k
10k
1/10W
R9342 1/10W
:CHIP
12k :CHIP
1/10W
:CHIP
Q9307
R9343
MSB709-RT1
8.2k
1/10W
:CHIP
9-965-947-01<AX1>CB
CB BOARD TRANSISTOR VOLTAGE LIST
B C E
Q7301 3.9 GND 3.0
Q7302 1.7 GND 2.4
Q7303 2.4 12.0 2.9
G D S
Q7304 7.3 12.0 6.0
All voltages are in V.
7 |
CB
[B CRT DRIVE]
COMPONENT SIDE
CB
[B CRT DRIVE]
CONDUCTOR SIDE
CB BOARD IC VOLTAGE LIST
IC7301
PIN VOLT PIN VOLT
1 2.1 8 GND
2 2.9 9 N/C
3 1.6 10 200.0
4 2.9 11 N/C
5 2.5 12 161.8
6 12.0 13 144.5
7 7.3
All voltages are in V.
— 49 —
KDP-51WS550/57WS550/65WS550
1 2 3
A
B
C
D
E
1 2 3
A
+200V
NC
GND
NC C9310
L9301
NC
R9317
HEATER(+)
HEATER(-)
C9318
D9309
C9306
12
R9339
13
B
R9303
R9320
NL9302
R9316
C9309
R9351
Q9309
R9350
D9310
R9318
C Q9304
R9307
L9302
R9319
D R9305
SG9302
R9304
1-688-773-11
NL9301
CN9308 C9301
C9317
G2
CRT GND
CN9310 CN9304 FB9301 CN9311 CN9306
E
4
4
Q9301
2 Q9305
1
OFFSET
P_MUTE
GND
B
Q9306
C9319
Q9311
1
4
CN9309