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

• Refer to page 9-20 for Printed Wiring Board
CN303
70P
TP321
TO QA CN801
CLP A1 CLP
1 JL336
CLP B1
JL385 #
#
GND A2
A 3.3V
GND B2
A3.3V A3
TP322
A3.3V B3
V A4 V
JL337
V B4
#
GND A5
TP323
GND B5
H A6 H
JL338
H B6 (P1)
#
GND A7
TP324
GND B7
B A8 B
JL339
B B8
#
GND A9
TP325
GND B9
G A10 G
JL340
G B10
#
GND A11
TP326
GND B11
2
R A12 R
JL341
R B12
#
GND A13
GND B13
AUDIO MUTE A14
SCLK B14
SDAT A15
AUDIO CE B15
JL386
#
GND A16
GND B16
US+ A17
US+
US+ B17
US- A18
US-
US- B18
GND A19
USBP.FLG
USBP.FLG B19
DS1+
DS1+ A20
DS1-
DS1- B20
MSP.ENA
MSP.ENA A21
US VBUS
US VBUS B21
3
GND A22
USBP.ENA
USBP.ENA B22
SUB 5V A23
SUB 5V B23
SUB 5V A24
SUB 5V-3
SUB 5V B24
SUB 5V A25
SUB 5V B25
JL359
GND A26
#
GND B26
BNC V A27
BNC V B27
GND A28
GND B28
BNC H A29
BNC H B29
GND A30
GND B30
B
BNC B A31
BNC B B31
4
GND A32
GND B32
G
BNC G A33
BNC G B33
GND A34
GND B34
R
BNC R A35
BNC R B35
CN304
JL346
#
R
D304 D309
JL387 JL345
# # #
#
G
D310
D305
JL388 JL344
#
# # #
B
JL389 D306
JL343 D311
#
#
5 # #
H
JL390 D307 D312
JL342
#
# # #
V
D308 D313
JL391
# #
A B
CN305
70P
TO QA CN802
IRDA
IRDA A1 A1
IRDB
R/R-Y
IRDB B1 B1
JL392 JL409
GND A2 A2
#
#
GND B2 B2
DS2+ A3 A3
DS2+ G/Y
DS2+ B3 B3
DS2- A4 A4
DS2-
DS2- B4 B4
YC/OTHER
YC/OTHER A5 A5
CV/OTHER B/B-Y
CV/OTHER B5 B5
SCLK
GND A6 A6
SDAT H
GND B6 B6
R/R-Y A7 A7
R/R-Y
V
R/R-Y B7 B7
GND A8 JL393 A8
#
RGBSYNC
GND B8 B8
G/Y A9 A9
G/Y
V-CLP
G/Y B9 B9
JL394
GND A10 A10
#
YC/OTHER
GND B10 B10
B/B-Y A11 A11
B/B-Y
V-R
B/B-Y B11 B11
JL395
GND A12 A12
#
GND B12 B12
A13 A13
H
H V-G
H B13 B13
JL396
GND A14 A14
#
GND B14 B14
V A15 A15
V V-B
V B15 B15
JL397
GND A16 # A16
CV/OTHER
GND B16 B16
RGBSYNC
RGBSYNC A17 A17
V-HD
RGBSYNC B17 B17
JL398
GND A18 A18
#
V-VD
GND B18 B18
V-R A19 A19
V-R
V-R B19 B19
JL399 SDA100K
GND A20 A20
#
SCL100K
GND B20 B20
R374
V-G A21 6V A21
#
V-G
V-G B21 B21
JL400
GND A22 # A22
R375
GND B22 B22
#
V-B A23 A23
V-B
V-B B23 B23
JL402
GND A24 A24
#
GND B24 B24
V-HD A25 A25
V-HD
R377 JL403
V-HD B25 B25
# #
V-VD A26
V-VD
JL404
V-VD B26
#
R378
GND A27
#
GND B27
V-CLP A28
V-CLP
R379 JL405
V-CLP B28
# #
GND A29
GND B29
SDA100K
SDA100K A30
SCL100K
SCL100K B30
6V
GND A31
GND B31
+6V A32
JL406
+6V B32 #
R382
+6V A33
#
+6V B33
JL407
#
10V A34
R383
-7V B34 JL408
#
#
10V A35
-7V B35
R384
#
#
R385
#
C

BB (4/4)

BB (4/4)
CN306
50P
TO BA CN101
R/R-Y
R/R-Y
US+
GND
US-
GND
G/Y
G/Y
DS1+
GND
DS1-
GND
B/B-Y
B/B-Y
DS2+
GND
DS2-
H
GND
V
USBP.ENA
GND
USBP.FLG
RGBSYNC
GND SC3 RESET
MSP.ENA
V-CLP
GND SDA400K
(P4)
Y/C OTHER SCL400K
V-R
V-R
GND TXD
(P2)
GND RXD
V-G
V-G
GND HD
US VBUS
GND
(P3)
V-B VD
V-B VSO
R451
10k
D 3.3V-2
GND
1/16W
:CHIP
CV/OTHER
14
OSD CS
6
GND
4
5 PW OSD ENA
V-HD
IC318(1/4)
DISP
TC74VHC02FT(EL) 7
GND
NOR GATE
BUSY
V-VD
OSD_RES
GND
GND (P1) PANEL LINK
100 1/16W :CHIP
SDA100K R446
100 1/16W :CHIP
SCL100K (P2) INTERLACE
GND
3
SDAT
1
GND (P2) PIC MUTE
2
IC318(2/4) SCLK
R450
+6V
TC74VHC02FT(EL) 10k
1/16W
+6V NOR GATE
:CHIP
+6V
+6V
PANEL TEMP
+10V
FILTER COVER
IRDA
GND S300
ON
IRDB
+10V
GND
OFF
IC318(3/4)
TC74VHC02FT(EL)
NOR GATE
8
10
9
IC318(4/4)
TC74VHC02FT(EL)
NOR GATE
11 SDA100K
13
SCL100K
12
IC305(1/3)
TC7WH04FU
INVERTER
5 3
9-24 9-24
D E
CN309
50P
TO BC CN500
DRE0
D PORT A1 DRE0
D 3.3V-2 B1 GND
DRE1
A2 DRE1
JL433 B2 GND
#
DRE2
A3 DRE2
B3 D3.3V
DRE3
A4 DRE3
B4 D3.3V
DRE4
A5 DRE4
B5 D3.3V
DRE5
A6 DRE5
B6 D3.3V
DRE6
A7 DRE6
B7 GND
CN307
70P DRE7
A8 DRE7
TO Y CN3000
B8 GND
A1 GND
DGE0
JL450
A9 DGE0
#
B1 GND
JL410 # DVS B9 DVS
A2 US+ DGE1
(P3)
A10 DGE1
JL411 #
B2 US-
B10 DVS
A3 GND
DGE2
A11 DGE2
B3 GND
B11 GND
JL412 #
A4 DS1+
DGE3
JL413 # A12 DGE3
B4 DS1-
B12 GND
A5 GND DGE4
JL449
A13 DGE4
#
B5 GND
JL420 # DHS B13 DHS
A6 DS2+
(P3) DGE5
JL421 # A14 DGE5
B6 DS2-
B14 DHS
A7 GND
DGE6
A15 DGE6
B7 GND
JL414 # B15 GND
A8 USBP.ENA
DGE7
JL415 # A16 DGE7
B8 USBP.FLG
JL347 # B16 GND
A9 S/C RES
DBE0
JL445 # A17 DBE0
B9 MSP.ENA
DRO0
JL348 # B17 DRO0
A10
SDA400K DBE1
JL349 # A18 DBE1
B10 SCL400K
DRO1
B18 DRO1
A11 GND
DBE2
A19 DBE2
B11 GND
DRO2
JL350 # B19 DRO2
A12 TXDS/C
DBE3
JL351 # A20 DBE3
B12 RXDS/C
DRO3
B20 DRO3
A13
GND DBE4
A21 DBE4
B13 GND
DRO4
JL416 # B21 DRO4
A14 HD
DBE5
JL446 # A22 DBE5
B14 US VBUS DRO5
B22 DRO5
JL418 #
A15 VD
DBE6
JL419 # A23 DBE6
B15 VSO
DRO6
B23 DRO6
A16 GND DBE7
A24 DBE7
B16 GND
DRO7
JL422 # B24 DRO7
A17 OSD CS
JL423 # A25 GND
B17 PW-OSD ENA
B25 GND
JL424 #
A18 DISP
JL425 #
B18 BUSY
JL426 #
A19 OSD_RES
B19 PANEL LINK
R445
A20 GND
JL443 #
B20 INTERLACE
JL444 #
A21 PIC MUTE
JL352 #
B21 SDAT
JL353 #
A22 SCLK
B22
GND
JL427 #
A23 AUDIO CE
JL428 #
B23 AUDIO MUTE
JL429 #
6V D 3.3V-2
A24 PANEL TEMP
JL430 #
B24 IRDA
JL431 #
C423 L301
FL302
A25 IRDB
100 10µH
JL432 #
16V JL442
B25 FILTER COVER
:AL-CP
#
POWER ON
A26 POWER ON
FANPROT1
B26 FAN PROT1
FANCONT1
A27 FAN CONT1
FANPROT2
B27 FAN PROT2
FANCONT2
A28 FAN CONT2
POWER PROT
POWER PROT
B28
A29 GND
B29 GND
JL354 #
A30 SDA100K
JL355 #
B30 SCL100K
A31 GND
6V
B31 GND TO GA CN2103 TO GB CN2301
TO GD CN2701
A32 +6V
B32 +6V
A33 +6V
B33 +6V
SUB 5V-3
A34 SUB+5V
B34 SUB+5V
A35 SUB+5V
B35 SUB+5V
BB(4/4)
(SCAN CONVERTER)
F
CN311
50P
JL451
TO BC CN502
#
(P3) DCLK A1 DCLK
B1 GND
A2 DCLK
B2 GND
A3 GND
B3 GND
DGO0
A4 DGO0
DBO0
B4 DBO0
DGO1
A5 DGO1
DBO1
B5 DBO1
DGO2
A6 DGO2
DBO2
B6 DBO2
DGO3
A7 DGO3
DBO3
B7 DBO3
DGO4
A8 DGO4
DBO4
B8 DBO4
DGO5
A9 DGO5
DBO5
B9 DBO5
DGO6
A10 DGO6
DBO6
B10 DBO6
DGO7
A11 DGO7
DBO7
B11 DBO7
D 3.3V-2
A12 GND
B12 GND
A13 D3.3V
B13 RESET
RESET
A14 D3.3V
B14 RESET
A15 GND
B15 GND
OSD CS
A16 OSD_CS
B16 NC
A17 NC
PW OSD ENA
B17 PW OSD ENA
DISP
A18 DISP
BUSY
B18 BUSY
OSD_RES
A19 OSD_RES
PANEL TEMP
B19 PANEL TEMP
A20 GND
B20 GND
A21 NC
B21 NC
A22 GND
B22 GND
(P4) SCL400K A23 SCL400K
SCL100K
B23 SCL100K
(P4) SDA400K A24 SDA400K
SDA100K
B24 SDA100K
A25 GND
B25 GND
SUB 5V-3
JL434
#
CN308 CN310
12P 10P
TO GD CN2701
TO GC CN2502
B-SS1696<08.>-BB.-P4
VPL-PX20/PX30
G H