Sony VPL-PX20 Service Manual page 169

1
2
3
S3500 S3501
LEFT RIGHT
R3500 R3501
27k 12k
:CHIP :CHIP
S3508 S3509
4
HELP LIGHT
R3508 R3509
27k 12k
:CHIP :CHIP
D3509 D3529 D3500 D3520 D3501
D3507 D3527
SEC1801C SEC1801C SEC1801C SEC1801C SEC1801C SEC1801CSEC1801C
SEC1401C SEC1401C
R3527 R3557
R3529 R3559 R3520 R3550 R3522 R3552
220 220
470 470 470 470 470 470
:CHIP :CHIP :CHIP :CHIP :CHIP :CHIP :CHIP :CHIP
5
H
(CONTROL PANEL)
A B
SUB +5V
R3545
10k
:CHIP
S3502 S3503 S3504 S3505 S3506 S3507
DOWN UP ENTER MENU INPUT POWER
R3507
R3502 R3503 R3504 R3505 R3506
1.8k
6.8k 3.9k 2.7k 2.2k 1.5k
:CHIP :CHIP :CHIP :CHIP :CHIP :CHIP
S3512 S3513 S3514 S3515
AUTO VOL- VOL+ RESET
R3510 R3511 R3512 R3513 R3514 R3515
6.8k 3.9k 2.7k 2.2k 1.5k 1.8k
:CHIP :CHIP :CHIP :CHIP :CHIP :CHIP
D3502 D3503 D3514 D3504 D3515 D3505 D3508 D3506 D3526 D3510 D3511
SEC1801C SEC1801C SEC1801C SEC1801C SEC1801C SEC1801C SEC1801C SEC1801CSEC1801C
R3516 R3517
R3523 R3553 R3524 R3554 R3525 R3555 R3526 R3556
470 470
470 470 470 470 470 470 470 470
:CHIP :CHIP :CHIP :CHIP :CHIP :CHIP :CHIP :CHIP :CHIP :CHIP
2.6 R3540
3.3k
Q3540
:CHIP
2SC2712
0
SW
0
C
H H
H
– B SIDE –
SUFFIX ; -11
D3540 D3541 D3543 D3550 D3551
SEC1801C DAN202K DAN202K
SEC1901C SEC1901C DAN202K
LAMP-LED TEMP-LED POWER-SAVE PROTECT PROTECT PROTECT
Q3542
R3546
DTA144EKA
10k
SW
:CHIP
5.0
5.0
R3542
1k
-0.3
:CHIP
D3554 D3555
R3544
DAP202K DAP202K DAP202K
330
:CHIP R G PROTECT PROTECT PROTECT
D3544
SEC2422C
ON/STBY
D3512 D3532 D3513 D3523 D3525 D3528
SEC1801C SEC1801C SEC1801C SEC1801C SEC1801C SEC1801C
R3532 R3562 R3533 R3563 R3534 R3564
470 470 470 470 470 470
:CHIP :CHIP :CHIP :CHIP :CHIP :CHIP
R3541
2.6
3.3k
:CHIP
Q3541
2SC2712
0
SW
0
CN3502
2P
WHT-L
:SMD
L
FRONT SPEAKER
9-36 9-36
D E
D3552 D3553
DAN202K
PROTECT
CN3500
12P
WHT
:SMD
TO Y CN3001
12 D+5V
JL3501 #
11 GND
JL3502 #
10 D+5V
JL3503 #
9 SUB+5V
8 GND
JL3504 #
7 KEY1
JL3505 #
6 KEY0
JL3506 #
5 POWER LED
JL3507 #
4 TEMP LED
JL3508 #
3 LAMP LED
JL3509 #
2 P.SAVE LED
JL3510 #
D3556 D3557 1 LIGHT ON
DAP202K
PROTECT
CN3501
D+5V
4P
WHT
:SMD
TO KS CN2952
4 R SP-
3 R SP+
2 L SP-
TDA2009A (IC2900)
1 L SP+
B-SS1696<08.>-H..
CN3503
2P
WHT-I
:SMD
1
R
LIN
F
H
– A SIDE –
SUFFIX ; -11
2 3 4 5 6 7 8 9 10 11
RIN NC
VPL-PX20/PX30
G H