Y (1/3), - Sony VPL-PX20 Service Manual

• Refer to page 9-32 for Printed Wiring Board
• Refer to page 9-35 for Waveforms
• Refer to page 9-35 for IC Block Diagrams
CN3001
12P
WHT
:SMD
TO H CN3500
5V -1
5V-2
GND
TP3009
D3301 RD5.6SB-T1
D3302 RD5.6SB-T1
D3303 RD5.6SB-T1
D3304 RD5.6SB-T1
D3305 RD5.6SB-T1
D3306 RD5.6SB-T1
D3307 RD5.6SB-T1
D3308 RD5.6SB-T1
D3309 RD5.6SB-T1
SIRCS
(P2) CON-PANE
CTRL
(P2,P3) COMM.BUS
OSDC
(P2)
SYNC
(P3) USB
Q3000
2SC3326N
BUS SW
5V-2
R3015
R3016
2.2k
100
:CHIP
:CHIP
R3017
4.7k
:CHIP
Q3001
R3019 2SC3326N
2.2k
BUS SW
:CHIP
R3021 R3020
4.7k 100
:CHIP :CHIP
CN3000
70P
TO BB CN307
VPL-PX20/PX30
A B
Y (1/3), S, NF, NR
CN3003
7P
WHT
:SMD
TO QD CN1903
SIRCS-S
SIRCS
MOUSE ENA ≠≠≠≠≠≠≠≠≠ ≠≠≠≠≠≠≠≠
D+5V-1
IC3401
TC7S66FU
ANALOG SW
NF ON
NR ON
I/O VCC
MOUSE A/B ≠
O/I
IRDA
GND COND CPU_RES ≠≠≠≠≠≠≠ ≠≠≠≠≠≠ (P2)
C3401
0.1
25V
B:CHIP
IRDB
5V-2
R3308
2.2k
:CHIP
5V -1
R3309
4.7k
Q3003
:CHIP
2SC2712-YG
BUFFER
R3310
R3033
2.2k
220
:CHIP
:CHIP
R3032
R3275 10k
10k :CHIP
:CHIP
HD
TP3202
VD
1
TP3203
VSO
2
TP3206
RB3003
100*4
C D
Y (1/3), S, NF, NR
IC3301
R3002
IRMF
100
:CHIP IRDA FILTER C3001
1
10V
IC3302 B:CHIP
TC7W02FU
R3007
R3322
NOR
100
100
:CHIP
:CHIP R3342
5.6k VDD VSS
:CHIP
IRIN1 IREN1
R3009
47k
IRIN2 IREN2 :CHIP
RES IROUT
JL3317
R3323
#
100
:CHIP
C3305 0.1 25V B:CHIP
SUB +5V
C3312
C3309
0.1
100p
25V
50V
B:CHIP
≠≠ ≠ CH:CHIP
≠≠ ≠
R3012
100
:CHIP
R3014
100
:CHIP
C3006
IC3002 C3007
0.1
IC3003 0.1
TC7W08FU 25V
25V
B:CHIP TC7S04FU
AND
B:CHIP
Q3301
2SC3326N
LAMP TEMP
BUS SW
LAMP COVER
5V-2
R3312 8 7 6
100
Q3302
:CHIP
2SC3326N
IC3402
BUS SW
TC7W14FU
SCMT INV
R3311 R3313 R3405
4.7k 100 100k
1 2 3
:CHIP :CHIP :CHIP
LAMP NORM/ECO ≠≠≠≠ ≠≠≠
R3320 C3402
10
10k
6.3V
:CHIP
LAMP PROT
B:CHIP
R3030
LAMP ON
47
Q3002 :CHIP
2SC2712-YG
BUFFER R3031
R3274
2.2k
10k
:CHIP
:CHIP
IC3004
BA033FP-E2
3.3V REG
3.3V
FL3000
IC3006
NFM41P11C204
#
5V-2 ON/OFF ADJ
BUFF
EMI
I O
JL3008
C3008 G
# R3402
22
0
16V
SHORT
:AL-CP
8 8 7 7 6 6 5 5
8 7 6 5
SUB+5V
5V
C3012 FL3001
0.1
NFM41P11C204
25V
B:CHIP
EMI
1 2 3 4
JL3009
# 1 2 3 4 1 2 3 4
R3401 IC3007
0 PQ05AZ1U
D+5V
SHORT
5V REG
R3315 FL3002
5V-2
0 NFM41P11C204
:CHIP
EMI
I O
JL3011 JL3012 C3013 G
# # 22
JL3010
16V
#
:AL-CP
R3316
0
:CHIP
9-33 9-33
E
C3311
5V -1 GND
47
6.3V
TP3000
:AL-CP
CN3600
WHT-I
:SMD
R3005
TO Y CN3005
47k CN3005
:CHIP
9P
SUB+5V
WHT
R3004
:SMD
100 SIRCS-NF
:CHIP
9 GND GND
JL3000 #
8 SIRCS-NF
R3008
7 SUB+5V
100
:CHIP
6 GND
JL3001 #
C3310
5 SIRCS-NR
100p
50V
4 SUB+5V
CH:CHIP
JL3203 #
3 LAMP TEMP
2 GND
JL3212 #
1 LAMP COVER
CN3700
:SMD
TO Y CN3005
SUB+5V
SIRCS-NR
GND
R3318
100
:CHIP
C3307
0.01
B:CHIP
5
C3403
0.1
25V
B:CHIP CN2020
3P
:SMD
Q3303
2SC2712-YG
TO Y CN3005
BUFFER
CN3002
LAMP COVER
4
4P
WHT
GND
R3319 :SMD
47 R3317
TO BALAST LAMP TEMP
:CHIP 100
JL3318 #
:CHIP
4 LAMP MODE
JL3206 #
3 LAMP PROT
2 GND
JL3102 #
1 LAMP ON
C3306
0.01
R3321
B:CHIP
2.2k
:CHIP
SUB+3.3V
TP3303
-1
JL3003
#
C3009
47
6.3V
:AL-CP
-1
JL3006
#
Y(1/3)
JL3007
#
ANALOG SW
C3014
47 IRDA FILTER
6.3V
:AL-CP
SCMT INV
GND
TP3008
B-SS1696<08.>-Y..-P1
F G
1
IC3600
RS-140-T
VCC GND1
3P
OUT GND2
R3601
47
1/10W
2
:CHIP
1
2
3
R3600
C3600
100
10
1/10W
20V NF
:CHIP
:TA-CP
(FRONT RECEIVER)
B-SS1696<08.>-NF.
IC3700
RS-140-T
VCC GND1
3P
OUT GND2
RED R3701
47
1/10W
:CHIP
1
2
3
R3700
C3700
100
3
10
1/10W
20V NR
:CHIP
:TA-CP
(REAR RECEIVER)
B-SS1696<08.>-NR.
S2020
LAMP COVER
1
2
3
TH2020
LAMP TEMP
4
S
(SW AND TH)
B-SS1696<08.>-S..
5
H