Bb (3/4) - Sony VPL-PX20 Service Manual

• Refer to page 9-20 for Printed Wiring Board
2.5V
FB316 FB317 FB318
BKM1608TS601 BKM1608TS601 BKM1608TS601
VPL-PX20/PX30
A B
IC303(4/5)
PW264P
SCAN CONVERTER
(VIDEO PORT)
42
VCLK
B16
43
B17 VCLKEN
44
B18 VPEN
21
A21 NC(VLAN)
47
B21 VVS
22
VHS
A22
73
C21 VFIELD
9
A9 NC(VR0)
36
B10 NC(VR1)
10
A10 NC(VR2)
89
NC(VR3)
D11
63
C11 NC(VR4)
37
B11 NC(VR5)
11
A11 NC(VR6)
90
D12 NC(VR7)
64
VG0
C12
38
B12 VG1
12
A12 VG2
39
B13 VG3
13
A13 VVG4
92
VG5
D14
66
C14 VG6
40
B14 VG7
14
A14 VB0
93
VB1
D15
67
C15 VB2
41
B15 VB3
15
A15 VB4
94
D16 VB5
68
VB6
C16
16
A16 VB7
D 3.3V-3
IC303(5/5) FB320 FB321
FB319 BKM1608TS601 BKM1608TS601
PW264P
BKM1608TS601
SCAN CONVERTER
R397
1k
1/16W
2.5V
:CHIP
R396
1k
JL384
1/16W
#
:CHIP ADJ ON/OFF
O I
C369
G
C371
47
47
6.3V
6.3V
:AL-CP
:AL-CP
IC312
PQ20VZ1U
3.3V REG
C D

BB (3/4)

BB (3/4)
D 3.3V-2
FB322 FB323
BKM1608TS601 BKM1608TS601
JL381 JL382
C384
# #
22
D+3.3V-2 10V
F:CHIP
C374 C375 C376 C377 C378
JL383
0.1 0.1 0.1 0.1 0.1
#
16V 16V 16V 16V 16V
B:CHIP B:CHIP B:CHIP B:CHIP B:CHIP C380 C381
C379 0.1 0.1 C382 C386
0.1 16V 16V 0.1 C383 C385 0.1
B:CHIP B:CHIP
16V 16V 0.1 0.1 16V
B:CHIP B:CHIP B:CHIP
16V 16V
B:CHIP B:CHIP
D 3.3V-2
C372
330
6.3V
:AL-CP
9-23 9-23
E
R373
47
1/16W
:CHIP
R372
IC303(3/5)
47
PW264P
IC301(4/4)
R371 1/16W
SCAN CONVERTER 13
:CHIP TC74VHC86FT
47
(DISPLAY PORT) 11
1/16W R394
SYNC BUF
12
:CHIP 1k
287 AD13
DCLK (P4) 1/16W
DCLK
:CHIP
289 AD15 10
DVS 8
263 AC15 9
IC301(3/4)
DHS
R395
TC74VHC86FT
343
AF17 1k
NC(DENR) SYNC BUF
1/16W
JL358
264 AC16
:CHIP
#
DEN(DENG)
IC301(1/4)
R435
290 AD16
TC74VHC86FT
10k 1
NC(DENB)
1/16W
231 Y25 DRE0 3 SYNC BUF
D PORT
:CHIP
DRE0 2
H1
240 AA26 DRE1
DRE1 RB324
DRE2 47
239 AA25 D 3.3V-2
DRE2
DRE3
248 AB26
(P1)
DRE3
IC301(2/4)
AA24 DRE4
238 14
TC74VHC86FT
4
DRE4 RB325
237 AA23 DRE5 6 SYNC BUF
47
DRE5 5
V1
274 AC26 DRE6 C320
R436 0.01
DRE6 7
DRE7 10k 25V
273 AC25
1/16W B:CHIP
DRE7
:CHIP
AB23 DGE0
245
DGE0
272 AC24 DGE1
DGE1 RB326
300 AD26 DGE2 47
DGE2
DGE3
297 AD23
DGE3
DGE4
270 AC22
DGE4
DGE5 RB327
324 AE24
47
DGE5
351 AF25 DGE6
DGE6
350 AF24 DGE7
DGE7
DBE0
323 AE23
DBE0
DBE1
349 AF23
DBE1
RB328
DBE2
295 AD21
47
DBE2
322 AE22 DBE3
DBE3
319 AE19 DBE4
DBE4
DBE5
318 AE18
RB329
DBE5 47
DBE6
292 AD18
DBE6
DBE7
317 AE17
DBE7
339 AF13 DRO0
DRO0
260 AC12 DRO1
DRO1 RB330
DRO2
286 AD12 47
DRO2
DRO3
312 AE12
DRO3
AF12 DRO4
338
DRO4
RB331
311 AE11 DRO5
47
DRO5
337 AF11 DRO6
DRO6
DRO7
310 AE10
DRO7
DGO0
336 AF10
DGE0
AD9 DGO1
283
RB332
DGO1
257 AC9 DGO2 47
DGO2
309 AE9 DGO3
DGO3
DGO4
282 AD8
DGO4 RB333
DGO5
256 AC8 47
DGO5
AF8 DGO6
334
DGO6
333 AF7 DGO7
DGO7
307 AE7 DBO0
DBO0
DBO1
332 AF6
DBO1
RB334
DBO2
306 AE6 47
DBO2
254 AC6 DBO3
DBO3
305 AE5 DBO4
DBO4 RB335
DBO5 47
279 AD5
DBO5
DBO6
330 AF4
DBO6
AE3 DBO7
303
DBO7
C394
22
10V +2.5V
F:CHIP
C388 C389
0.1 0.1
C387 C391 C392 C393 C395 C396 C397 C399 C400 C401 C402
0.1 16V 16V 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
16V B:CHIP B:CHIP 16V 16V 16V 16V 16V 16V 16V 16V 16V 16V
B:CHIP B:CHIP B:CHIP B:CHIP B:CHIP B:CHIP B:CHIP B:CHIP B:CHIP B:CHIP B:CHIP
BB(3/4)
(SCAN CONVERTER)
F G
1
DHS
(P4)
DVS
RB301
47
VSO
JL417
#
(P4)
HD
VD
2
3
4
C403
0.1
16V
B:CHIP
5
B-SS1696<08.>-BB.-P3
H