Qb (2/2) - Sony VPL-PX20 Service Manual

• Refer to page 9-10 for Printed Wiring Board
CN1201
13P
BUS
INPUT A MOUSE
+5V/DTR
JL1201
XA
JL1202
XB
JL1203
11 12
YA
10 7 8 13
JL1204
6 4 5 9
YB
3 2
JL1205
1
L/PS
JL1206
R
JL1207
98/AT/TXD
JL1209
#
JL1208
RTS
JL1210
CLK
JL1211
DAT/RI
JL1212
RXD
JL1213
VPL-PX20/PX30
A B
IC1203
TC74HC02AF
SELECT
R1201
27k R1230
:CHIP 1M
R1202 :CHIP
56k
:CHIP
X1202
Q1204
R1203 6MHz
2SA1162
27k
BUFF
:CHIP
D1208
RD5.6SB-T1
PROTECT
R1238 R1240
VCC
56k 56k
:CHIP :CHIP
R1237 R1239 R1241
56k 56k 56k
:CHIP :CHIP :CHIP
D1202
RB501V
SELECT SW
# RB1201
100
D1203
#
RD5.6SB-T1
PROTECT
D1204
#
RD5.6SB-T1
PROTECT
D1205
#
RD5.6SB-T1
PROTECT
D1206
#
RD5.6SB-T1
PROTECT
D1209
D1207 +5V
1SS355
#
RD5.6SB-T1 R1206
100 :CHIP D1212 SELECT SW
PROTECT
1SS355
D1211
SELECT SW
# R1207
RD5.6SB-T1
100 :CHIP
PROTECT
R1208
1k :CHIP
D1217
#
D1215
RD5.6SB-T1
1SS355
PROTECT
SELECT SW
D1216
RD9.1SB2-T1 D1218
RB501V
PROTECT
R1209
SELECT SW
2.7k :CHIP
D1219
#
RD5.6SB-T1 R1211
PROTECT 47 :CHIP
# R1212
47 :CHIP
#
D1220
RD5.6SB-T1
R1213
PROTECT 5.6k :CHIP
R1214
# Q1202
100 R1215
2SA1162
:CHIP 27k
D1221
BUFF
:CHIP
RD5.6SB-T1
PROTECT
R1217
D1222 27k
RD5.6SB-T1 :CHIP
PROTECT
C D

QB (2/2)

QB (2/2)
C1211 C1210
X1201 +5V
15p 15p
24MHz
CH:CHIP CH:CHIP
R1232
1M
:CHIP
7 6 5 4 3 2 1
8 9 10 11 12 13 14
R1234
220
:CHIP
R1233
100
C1202
:CHIP
0.1
16V
B:CHIP
+5V
IC1204
S-80840ANUP
RESET
D1201
RD5.6SB
5V REG
R1231
33k
:CHIP
1 2 3
R1242
10k
:CHIP
IC1201 C1203
ST72633 0.1
RCV4 16V
B:CHIP
MOUSE DRV
VDD VDDA
X2 USBVCC
X1 USB-
VSS USB+
R1205
PC2 VSSA
R1204 10k
10k :CHIP
PC1 PA0
:CHIP
PC0 PA1
RESET N.C.
C1204
100p
N.C. N.C.
R1244 CH:CHIP
10k
PB7 N.C.
:CHIP
PB6 PA2
C1205
VPP PA3
100p
CH:CHIP
PB5 PA4
PB4 PA5
PB3 PA6
PB2 PA7
PB1 PB0
R1243
56k
:CHIP
R1218 C1207 R1219 C1206
27k 100p 10k 100p
:CHIP CH:CHIP :CHIP CH:CHIP
QB(2/2)
(INPUT A MOUS TERMINAL,MOUS DRV.)
9-11 9-11
E
C1201
47
16V
:AL-CP
+5V
C1209
0.1
16V
B:CHIP
R1229
1.5k :CHIP
R1227
DS2-
47 :CHIP
DS2+
R1228
47 :CHIP
D1210
RB501V
SELECT SW
MS5V
D1214
1SS355
SELECT SW
R1210
4.7k
:CHIP
Q1201
DTC144EKA
INV
IRD A
R1216
56k
:CHIP
(P1) A
B-SS1696<08.>-QB.-P2
F G
1
2
3
4
5
H