LG 42LD450 Service Manual page 24

[LEVEL Shift Block]
VCC_LCM
(+3.3V)
R625
100
GIP
C600
R600
OPT 3K
OPT GIP
A9
GVDD_ODD_I 1
THERMAL
A8
GVDD_EVEN_I 2
29
A7
3
GSP/GVST_I
IC602
A6
4
GCLK6_I MAX17119DS
A5 GIP
GCLK5_I 5
A4
6
GCLK4_I
A3
GSC/GCLK3_I 7
GCLK2_I
GOE/GCLK1_I
C612
VGH
0.22uF R623 R624
(+25V)
300 300
50V
GIP GIP GIP
C611
R626
1uF 10
50V GIP
GIP
VGL
(-5V)
[P-GAMMA Block]
Slave Address : 0xE8h
(AO Pin - GND)
1uF/50V(2012)
C604
1uF
50V
VCC_LCM
R669
(+3.3V) SDA GMA6
AMP_SDA 1 15
33 THERMAL
A0 GMA5
2 21 14
DVDD IC601 GMA4
3 13
MAX9668ETP+
C601
AGND_AMP GMA3
4 12
0.1uF
MINI_LVDS
50V
VCOM GMA2
5 11
VCOM
VCOM_FB0
C602 C603
0.1uF 0.1uF
50V 50V
For P-Gamma Data Download
R652-*1
1K
R652
NON_GIP
0
GIP
R654
VCOMR
0
R655
VCOML
VCOM
0
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2010 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
DISCHG
R632
10K
GIP
Y9
21
VDD_ODD
Y8
20
VDD_EVEN
Y7
19
VST
Y6
18
CLK6
Y5
17
CLK5
Y4
16
CLK4
Y3
15
CLK3
CLK2
CLK1
R603 R630 R633
C618
OPT 10 10
1uF
OPT GIP GIP
50V
GIP
VGH
(+25V)
VDD_LCM
(+16V) [HVDD Block]
R618
10
1/8W
GMA13
GMA12
GMA7
GMA6
GMA4
PANEL_VCC
(+12V)
GMA3
10uF/25V(3216)
VDD_LCM C610 C619
10uF 10uF
(+16V)
R672
EN2
0
MINI_LVDS
R605
47K
OPT C639
R616
10K 2.2uF
OPT 16V
P700
PANEL_VCC
12505WS-03A00
R606
1 20K
AMP_SCL
2
AMP_SDA
R607
7.5K
3
4
[POWER Block]
OPT
D606
VGH MMSD4148T1G
EN2
(+25V)
100V
4.7uF/50V(3216) R627
C615 0
C617
1uF
1uF
R668 R619 R620 50V 50V
C633 56K
18K 18K 1%
50V
TCON_42_FHD_LAMP
4.7uF
R629 R631
10 10
R621 GIP GIP
220K
5%
TCON_42_FHD_LAMP
VGH_FB
R622
11K R629-*1 R631-*1
5% 200 200
TCON_42_FHD_LAMP NON_GIP NON_GIP
VGL
(-5V)
HVDD
6.8uH/1.8A
(6x6x2mm)
L600
6.8uH
MINI_LVDS
R696 R698
0 1M
GIP NON_GIP
R1
C652 C659 C661
R609 R658 R657
150K 22pF 22uF 10uF 6.2K 6.2K
1%
50V 16V 16V OPT OPT
42_FHD_60_LAMP
PGND_1 GND_2
1 12
VIN_1 GND_1
2 11
IC600
VIN_2 FB
3 TPS62110RSAR 10
MINI_LVDS
R2
EN AGND
4 9
R610 R611
33K 100K
1% 1%
42_FHD_60_LAMP 42_FHD_60_LAMP
Vo = 1.153*(1+R1/R2)
R608
10
C649
1uF
50V
MMSD4148T1G
R635 R640 C628
910K 470K OPT
1% 1%
OPT
42_FHD_60_LAMP 42_FHD_60_LAMP
R642-*1
C629
R636 R641
OPT
510K 27K
33K 1% 1% OPT
NON_GIP 42_FHD_60_LAMP 42_FHD_60_LAMP
C626-*1
VDD_LCM
(+16V) C625
470pF
50V
NON_GIP 27pF 50V
NON_GIP
R688
33K C626 R642
NON_GIP
1000pF 10K
50V
GIP
GIP
R689-*1 R689 VGH
0 2.7K
(+25V)
NON_GIP
GIP
VGH_M
R692 0
(+25V)
NON_GIP
D602
KDS226
THR
R693 0 1
C621
C NON_GIP DRVP
2
A AC GND2
0.47uF 3
25V
SRC
R690 0 GIP 4
R691 0 GIP GON
5 IC603
R694 R695 DRN
6 MAX17113ETL+
510
510 NON_GIP NON_GIP
MODE MINI_LVDS
VDD_LCM 7
C676 1uF NON_GIP
(+16V) DLP
8
C677 0.047uF
NON_GIP
FBP
9
VGH_FB
GPGND
10
R694-*1
0
GIP
R686 R687
0 0
R695-*1
GIP NON_GIP
0
GIP
C622 VCC_LCM
1uF
(+3.3V)
10V
REF
GIP
R644 C630
3.6K 10uF R637 OPT
16V C627 R639 R638
27K 1uF 0 0
42_FHD_60_LAMP 50V
VGL_FB
D603
KDS226
R643
C632
C
150K
42_FHD_60_LAMP
AC
A 1uF
50V
VCC_LCM
(+3.3V)
R628
3.3K
GIP
R659
R604 0
RXA3-
FLK RXD3-
10 NON_GIP
C605
15pF
50V
R685
NON_GIP
0
RXD3+
NON_GIP
GSP_R
VGH
(+25V)
R614 0
VGI_P
GIP
R665
0
RXDCK+
VGL
(-5V)
R671
4.7K
R615 0
VGI_N
GIP
R662
0
RXDCK-
VGL
(-5V)
R617
0
R645
DISCHG VGL_I
0
R653
OPT
0
GVDD_ODD
GIP
R660
RXD4- POL
0
R646
C665 0
15pF GVDD_EVEN
GIP
50V
R661
RXD4+ SOE
0
C666
15pF
50V
D607
VDD_LCM
EN2 (+16V)
100V
CHECK Value!!
C635
C642 C653
0.1uF R650
50V 1uF 22uF
9.1K
50V 25V
C636
C638 1/8W
C640
47uF
1uF 50V 1uF
25V
50V
L602
22UH
D605 MBRA340T3G 40V
C654
D608 MBRA340T3G 40V 2.8A
22uF
25V
C645-*1
R647 2.2 C645
560pF
1000pF 50V
50V
NON_GIP
GIP
PANEL_VCC
C643
(+12V)
0.1uF
PGND
30 50V
EN2
29
EN2
R656
VL
28
360
DEL2
27
EN1
26
PANEL_VCC
FSEL
25
R634 (+12V)
VIN
24
IN2
23 0
IN2
22
OUT
21 C606
R648 C651
1uF C657 C663
C644
1uF
50V 1K 22uF 22uF
0.1uF
10V
25V 25V
50V
R649
OPT
OPT
VCC_LCM
(+3.3V)
L601
22UH
C637
0.1uF 2.8A
50V
C634 C646
C641 C648
D604 C655 R651
0.1uF 0.1uF
MBRA340T3G 150pF 22uF OPT
50V 40V 50V 5.1K
50V 10V OPT
C634-*1
2200pF
50V
NON_GIP R612
DPM_A EN2
10
Change 100ohm -> 10ohm
R613
1K
R667
0
GSP/GVST_I GCLK2 GCLK2_I
GIP
C667 C670
15pF
15pF
50V
50V
NON_GIP
OPT
R663
0
GCLK4 GCLK4_I
GIP
C673
15pF
50V
OPT
R664
0
RXA4- GCLK5_I
GOE/GCLK1_I
GIP
C674
15pF
C675
50V
15pF
OPT
50V
NON_GIP
R666
0
GSC/GCLK3_I
RXA4+ GCLK6_I
C672 C671
GIP
15pF 15pF
50V 50V
NON_GIP OPT
VCC_LCM
(+3.3V)
GVDD_ODD_I
C669
15pF
50V
OPT
H_CONV
GVDD_EVEN_I
C668
15pF
50V
OPT
GP2_Saturn7M Ver. 2.0
7
T-CON
LGE Internal Use Only