Philips 190V9FB/97(1) Service Manual page 24

24 HUDSON 9
1
Power
A
CMVCC
5, 6 CMVCC
CN404
1
2
CMVCC
3
CMVCC
4
B
BKLT-VBRI
5
BKLT-EN
6
C_PANEL_INDEX
7
Volume
8
Mute
9
CONN
C
VCC3.3
R441
1K 1/16W 5%
R442
BKLT-VBRI
100R 1/16W 5%
D
E
1
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2 3
ESD_VCC 2
DSUB_5V
DSUB_5V 2
R458
D401
NC
BAV99
CMVCC1
SM340A
D402
CMVCC1 5
BKLT-EN
R450 NC R449
NC(R0402)
NC
PANEL_ID# 5
Mute 5
VCC3.3
R446
NC
Volume
Q408
NC/2N3904S-RTK/PS
adj_BACKLIGHT 5
2 3
UserManuals.info
4 5
VCC3.3 VCC3.3
R437 R439
10K 1/16W 5% 10K 1/16W 5%
Q406
2N3904S-RTK/PS
C425
on_BACKLIGHT 5
NC
R440
4K7 1/16W 5%
VCC3.3
CMVCC1
R447
NC/10K 1/16W 5%
C426
+
100uF25V
Volume# 5
R448
NC/4K7 1/16W 5%
4 5
6 7
Due to LG doen't request PC'99 Function.
D401 R458
LG NC 0Ohm 1/16W
OTHER BAV99 NC
VCC3.3
VCC1.8
Q410
KN2907AS
Q409
KN2907AS C432 C423
+
5 VCTRL
0.1uF/16V 100uF25V
MVCC
FB403 NC
VCC3.3
3
VIN
2
VOUT
1
ADJ(GND)
C428
0.1uF/16V U404 C422 + C427
AP1117D33LA
0.1uF/16V 100uF25V
U404 can use package 232 or 252.
6 7
8
CN404 B1
C422 D6
C423 B7
C425 B3
A
C426 D5
C427 D7
C428 D5
C432 B7
D401 A2
D402 B2
FB403 C6
Q406 B4
Q408 D3
Q409 B6
Q410 B6
R437 B4
R439 B4
R440 B4
R441 C1
R442 D1
B
R446 C3
R447 C4
VCC1.8 5
R448 D4
R449 B3
R450 B2
R458 A2
U404 C6
C
VCC3.3 4, 5
D
E
8