LG Z15LCD1 Service Manual - Page 39

Update, Jan-09-06, Add Rxd&txd And, Esd Protected, Oct-31-05

Page 39 highlights

ZD401 5.6V 1 2 2 3 1 16 VGA-V +5V_SW D401 BAV70 R547 2.7k ZD402 5.6V R526 R525 100 100 R548 2.7k U301 8 7 VCC 6 5 WP SCL SDA 1 A0 2 A1 A2 GND 3 4 M24C02WMN6 C470 100n REF REF 2 1 REF CN105 DB15 15 14 13 12 11 17 ISP_SDA ISP_SCL Pin5 change to GND,IIC_SEL change to Pin 11 VGA-V 2 10 ZD407 1 5 5.6V 9 4 8 TXD REF 3 7 2 6 1 REF AVI_DET C469 0.1u REF R542 0 IIC_SEL ADC_VAA 2 3 1 D403 REF BAV99 R512 75 FB408 B0805/0 ADC_VAA REF REF D404 BAV99 R483 100 C476 12P REF REF B R G VGA_TV_SW REF SWAP PC R&B Input NOV-15-05 2 3 1 ADC_VAA FB409 B0805/0 R521 75 R520 100 C478 12P REF +5V_SW U404 2 3 5 S1A S2A 6 11 10 14 13 S1B S2B S1C S2C S1D S2D 1 15 N O 16 VCC C475 100P REF FB414 B0805/0 4 DA DB 7 DC 9 DD 12 RAIN GAIN BAIN 8 GND PI5V330W REF TV_B TV_G TV_R REF VGA_HS R545 100 VGA_VS R546 100 2 2 ZD403 5.6V ZD405 5.6V 1 1 REF VDRB Hout 2 1 2 ZD406 5.6V C492 0.1u ZD404 5.6V C493 0.1u RXD 1 REF ADD RXD&TXD AND ESD PROTECTED OCT-31-05 16 VDD VGA_TV_SW Ext_Hsync_sel U302 10 0 91 2 3 1 D405 REF BAV99 REF R523 FB413 R544 B0805/0 75 UPDATE Jan-09-06 FB415 C474 100P REF BA792 REF +5V +5V AVI_DET 0 R549 0 R550 REF REF 0 R515 0 R516 TV_VS REF 0 R514 R513 0 TV_HS 6 G4 12 0 14 1 15 2 11 3 10 51 22 43 MDX 13 OUT 3 OUT R518 75 OHM R519 75 OHM 7 VEE 8 VSS TV_VS TV_HS 74HC4052D REF REF C489 27P REF C490 27P REF AVSYNC AHSYNC 2 3 1 100 C477 12P REF +5V D406 BAV99 +3.3Vstb D407 REF BAV99 R530 47k 2 3 1 2 VGA_VS C482 1u R537 1K 2 R538 1K D408 1N4148 1 Q412 PMBS3904 R529 100k 1 R527 100k C481 REF 1u C479 1u R536 1K R543 ADD D402/D408 OCT-31-05 47k 1 Q413 PMBS3904 3 2 3 +3.3Vstb R533 10k R524 100 PC_DET 3 VGA_HS C480 1u R532 10k 2 R531 10K D402 1N4148 REF R528 100k 1 Q414 PMBS3904 2 1 REF AOC (Top Victory) Electronics Co., Ltd. Title Size A3 Date: Document Number 04 Monday, April 24, 2006 PC INPUT Sheet 4 Rev 1 of 14 - 39 -

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- 39 -
VGA_TV_SW
R548
2.7k
REF
R519
75 OHM
R543
47k
R527
100k
Q413
PMBS3904
3
2
1
+5V
ZD406
5.6V
1
2
C481
1u
REF
REF
REF
Ext_Hsync_sel
U301
M24C02WMN6
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
R547
2.7k
REF
C478
12P
REF
ADC_VAA
Hout
ADC_VAA
REF
PC_DET
SWAP PC R&B
Input
NOV-15-05
TV_G
REF
VGA_TV_SW
R536
1K
REF
ISP_SCL
C475
100P
UPDATE
Jan-09-06
+3.3Vstb
REF
FB408
B0805/0
VGA-V
REF
ZD407
5.6V
1
2
04
1
PC INPUT
AOC (Top Victory) Electronics Co., Ltd.
A3
4
14
Monday, April 24, 2006
Title
Size
Document Number
Rev
Date:
Sheet
of
TV_R
R483
100
FB409
B0805/0
R538
1K
REF
MDX
U302
74HC4052D
10
9
16
12
14
15
11
1
5
2
4
7
8
3
13
6
0
1
VDD
0
1
2
3
0
1
2
3
VEE
VSS
OUT
OUT
G4
TV_B
VGA_VS
Q412
PMBS3904
3
2
1
RAIN
VGA_HS
R518
75 OHM
C490
27P
Pin5 change to GND,IIC_SEL
change to Pin 11
R514
0
GAIN
REF
C476
12P
REF
C479
1u
R544
75
VDRB
BAIN
R512
75
Q414
PMBS3904
3
2
1
REF
REF
+5V
REF
REF
TV_VS
ISP_SDA
FB415
BA792
D403
BAV99
1
3
2
R549
0
FB413
B0805/0
R545
100
+5V_SW
TXD
ZD404
5.6V
1
2
R529
100k
R542
0
ADD D402/D408
OCT-31-05
REF
G
R531
10K
U404
PI5V330W
2
3
5
6
11
10
13
1
14
8
12
9
7
4
16
15
S1A
S2A
S1B
S2B
S1C
S2C
S2D
N
S1D
GND
DD
DC
DB
DA
VCC
O
R546
100
C480
1u
R523
100
REF
ZD402
5.6V
1
2
+5V
D406
BAV99
1
3
2
D407
BAV99
1
3
2
R528
100k
ZD401
5.6V
1
2
REF
REF
REF
REF
C470
100n
C477
12P
REF
TV_HS
VGA_VS
+3.3Vstb
REF
RXD
REF
AVI_DET
R532
10k
R
C493
0.1u
D402
1N4148
1
2
D408
1N4148
1
2
R516
0
R550
0
CN105
DB15
8
15
7
14
6
13
5
12
4
11
3
10
2
9
1
16
17
R526
100
B
R521
75
R515
0
VGA-V
C474
100P
R533
10k
ADD RXD&TXD AND
ESD PROTECTED
OCT-31-05
ZD405
5.6V
1
2
AVI_DET
AVSYNC
D401
BAV70
3
1
2
D404
BAV99
1
3
2
REF
AHSYNC
R513
0
TV_HS
R530
47k
R525
100
ADC_VAA
VGA_HS
D405
BAV99
1
3
2
C469
0.1u
C492
0.1u
REF
R537
1K
REF
REF
ZD403
5.6V
1
2
R520
100
REF
TV_VS
REF
FB414
B0805/0
C482
1u
REF
R524
100
+5V_SW
C489
27P
IIC_SEL