DOWNLOAD LG 42LH20FD (CHASSIS:LT91A) Service Manual ↓ Size: 4.29 MB | Pages: 75 in PDF or view online for FREE

Model
42LH20FD (CHASSIS:LT91A)
Pages
75
Size
4.29 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42lh20fd-chassis-lt91a.pdf
Date
PREV: LG 42LH20D (CHASSIS:LB91A) Service Manual

LG 42LH20FD (CHASSIS:LT91A) Service Manual ▷ View online

4.4 EDID DATA
1) All Data : HEXA Value
2) Changeable Data :
*: Serial No : Controlled / Data:01
**: Month : Controlled / Data:00
***:Year : Controlled
****:Check sum
4.4.1 Auto Download
• After enter Service Mode by pushing “ADJ” key,
•  Enter EDID D/L mode.
• Enter “START” by pushing “OK” key.
4.4.2 Manual Download
* Caution
* Use the proper signal cable for EDID Download
- Analog EDID : Pin3 exists
- Digital EDID : Pin3 exists
* Caution: 
- Never connect HDMI & D-sub Cable at the same time.
- Use the proper cables below for EDID Writing.
- Download  HDMI1,  HDMI2  separately  because  HDMI1  is
different from HDMI2.
4.4.3EDID DATA
1. FHD RGB EDID DATA 
2. FHD HDMI EDID DATA 
- 13 -
For Analog EDID
 
For HDMI EDID
 
D-sub to D-sub 
DVI-D to HDMI or HDMI to HDMI 
 
 
 
 
No. 
Item 
Condition 
Hex Data 
1 
Manufacturer ID 
GSM 
1E6D 
2 
Version 
Digital : 1 
01 
3 
Revision 
Digital : 3 
03 
 
0 
1 
2 
3 
4 
5 
6 
7 
8 
9 
A 
B 
C 
D 
E 
F 
00  00  FF  FF  FF  FF
FF  FF  00
1E
6D
a 
b 
10 
c 
01  03  68
73  41  78
0A
CF
74
A3
57
4C
B0  23 
20  09  48  4C  A1  08
00  81  80
61
40
4540
31
40
01  01 
30  01  01  01  01  01
01  02  3A
80
18
71
38
2D
40
58  2C 
40  45  00  7E  8A  42
00  00  1E
01
1D
00
72
51
D0
1E  20 
50  6E  28  55  00  7E
8A  42  00
00
1E
00
00
00
FD
00  3A 
60  3E  1E  53  10  00
0A  20  20
20
20
20
20
d 
70 
d 
e 
80  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
90  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
A0  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
B0  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
C0  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
D0  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
E0  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
F0  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
00 
 
0 
1 
2 
3 
4 
5 
6 
7 
8 
9 
A 
B 
C 
D 
E 
F 
00  00  FF  FF  FF  FF
FF  FF  00
1E
6D
a 
b 
10 
c 
01  03  68
73  41  78
0A
CF
74
A3
57
4C
B0  23 
20  09  48  4C  A1  08
00  81  80
61
40
4540
31
40
01  01 
30  01  01  01  01  01
01  02  3A
80
18
71
38
2D
40
58  2C 
40  45  00  7E  8A  42
00  00  1E
01
1D
00
72
51
D0
1E  20 
50  6E  28  55  00  7E
8A  42  00
00
1E
00
00
00
FD
00  3A 
60  3E  1E  53  10  00
0A  20  20
20
20
20
20
d 
70 
d 
e 
80  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
90  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
A0  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
B0  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
C0  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
D0  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
E0  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
F0  FF  FF  FF  FF  FF
FF  FF  FF
FF
FF
FF
FF
FF
FF
FF  FF 
00 
 
 
Checksum: Changeable by total EDID data. 
FHD 
HD 
EDID C/S data 
HDMI 
RGB
HDMI 
RGB
Block 0 
04 
1D 
7B 
94 
F9 (HDMI1) 
D5 (HDMI1) 
E9 (HDMI2) 
C5 (HDMI2) 
check sum (Hex) 
Block 1 
D9 (HDMI3) 
- 
 
- 
 
Vendor Specific 
- HD model 
INPUT 
MODEL NAME(HEX) 
HDMI1 
65030C001000011D 
HDMI2 
65030C002000011D 
HDMI3 
 
 
65 030C003000011D 
a
 Product ID 
MODEL NAME 
HEX 
EDID Table 
DDC 
Function 
FHD Model 
0001 
01 00 
Analog/Digital 
HD Model 
0000 
00 00 
Analog/Digital 
Only 
22/26LU5000 
0002 
02 
00 
Analog/Digital 
Serial No:   
Controlled on production line. 
 
Month, Year:     
Week : ‘02’    C->     ‘02’      Year : ‘2009’  C->    ‘13’    fix 
 
 
Model Name(Hex): Refer to the ASCII Code Table 
Cf) TV set’s model name in EDID data is below. 
MODEL NAME 
MODEL NAME(HEX) 
LG TV 
00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20   
b
d
c
e
f
- 14 -
BLOCK DIAGRAM
DDR2 (1Gb
it)
Qimonda 
/ 
Hy
nix
NAND Flash
(512Mb
it)
Digita
l 
A
udio (Optic
)
Digita
l AMP
NT
P3100L
RS-232C (Ctrl./SVC)
I2S
DD
R_Data[
0:
15]
, 
D
QS,
 DM 
…
Ad
dr.[ ]
, ctrl. data
MAX3
232
RS232 IC
Saturn6
Saturn6
D
a
ta [0 …
7
]
Component 1
Y 
P
b
 P
r
Au
d
io 
L/R
Ad
dr[0…1], C
S
 …
Phone (for RGB)
SP
DI
F
RX
/T
X
RX
/TX
SCL
, SDA_
3
.3V
CV
BS
LCD 
Module
LV
D
S
CV
BS
RGB/
H/V
EEPR
OM
AV
 1
AV
 2
RGB
Au
d
io 
L/R
USB2.0
U
S
B D
P/DM
MIC2019
O.C. Protector
+5V
+5V
Serial Flas
h
(32Mbit)
SP
I
EEPROM
(512K)
CM3212
Sensor
SCL
, 
SDA_
3
.3V
Rear
DDR2 (512Mb
it)
Qimonda 
/ 
Hy
nix
DD
R_Data[
0:
15]
, 
D
QS,
 DM 
…
Ad
dr.[ ]
, ctrl. data
Rear
Au
d
io 
L/R
Au
d
io 
L/R
Au
d
io 
L/R
Side
HDMI 1
HDMI 2
HDMI 3
5V_H
DMI
1,
 HPD1,
 DD
C SC
L/
SD
A,
 CLK,
 
DA
TA
5V_H
DMI
2,
 HPD2,
 DD
C SC
L/
SD
A,
 CLK,
 
DA
TA
5V_H
DMI
3,
 HPD3,
 DD
C SC
L/
SD
A,
 CLK,
 
DA
TA
LH30 LU20 : Side
LH20 
: 
Rear
LN
A
RF S
/W
R
F Jack 
(Digital)
R
F Jack 
(Analog)
X
C
5000
Tun
er
Buffer
C
E
6355
De
mod
- 15 -
LG Electronics. Inc. All right reserved. 
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by       in the Schematic Diagram and EXPLODED VIEW. 
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. 
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
300
200
200T
801
LV
1
A2
A10
802
803
804
805
521
400
900
120
510
500
310
540
530
550
806
320
ISP_TXD
EEPROM_SDA
0 0 1 : I 2 4 ; 0 0 1 : Y 1 4 ; 0 0 7 : V 2 3
SUB/AMP_SDA
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.
HY27US08121B-TPCB 512MBIT 64MX8BIT 2.7VTO3.6V 50NSEC UNIFORM SECTOR TSOP TR 48P HYNIX SEMICONDOCTOR
HY27US08121B-TPCB
EAN38563401
IC102
NAND_FLASH_MEMORY
26
NC_17
27
NC_18
28
NC_19
29
I / O 0
30
I / O 1
31
I / O 2
32
I / O 3
33
NC_20
34
NC_21
35
NC_22
36
VSS_2
37
VCC_2
38
PRE
39
NC_23
40
NC_24
41
I / O 4
42
I / O 5
43
I / O 6
44
I / O 7
45
NC_25
46
NC_26
47
NC_27
48
NC_28
17
ALE
3
NC_3
6
NC_6
16
CLE
15
NC_10
14
NC_9
13
VSS_1
12
VCC_1
11
NC_8
10
NC_7
9
CE
8
RE
7
R/B
4
NC_4
5
NC_5
25
NC_16
24
NC_15
23
NC_14
2
NC_2
22
NC_13
21
NC_12
1
NC_1
20
NC_11
19
WP
18
WE
KRC103S
Q101
OPT
E
B
C
+3.3V
+3.3V
+3.3V
SPI_DI
/PF_CE0
SPI_CS
+3.3V
KRC103S
Q102
OPT
E
B
C
+3.3V
+3.3V
SUB/AMP_SCL
Flash_WP_1
22
R147
22
R148
0
R172
0
R173
0
OPT
R104
1M
R200
0
R167
22
AR102
22
AR103
/PF_CE0
001:C4
/PF_CE1
001:D6
/PF_OE
001:C4
/PF_WE
001:D7
PF_WP
001:A7
PF_ALE
001:D6
/F_RB
001:C3
22
AR100
22
AR101
/F_RB
/PF_OE
/PF_WE
/PF_CE1
PF_ALE
PF_WP
PCM_A[0-7]
SPI_CS
SPI_CK
SPI_CK
SPI_DO
0
R103
SPI_DO
SPI_DI
001:G12
IR
+3.3V_ST
EDID_WP
0 0 5 : O 1 7 ; 0 0 7 : J 1 4 ; 0 0 7 : X 1 4 ; 0 0 7 : A L 1 4
AMP_RST
ERROR_OUT
KEY2
KEY1
100
R198
USB_CTL
005:AL11
PWM1
PWM0
0.1uF
C102
0 . 1 u F
C104
0.1uF
C101
1K
R113
OPT
1K
R108
OPT
10K
R105
10K
R106
3.9K
R117
33
R169
33
R170
33
R171
33
R109
4.7K
R115
+3.3V
EEPROM_SDA
0 0 1 : I 2 4 ; 0 0 1 : M 1 3 ; 0 0 7 : V 2 3
1K
R114
1K
R112
L102
EEPROM_SCL
0 0 1 : I 2 4 ; 0 0 1 : Y 1 3 ; 0 0 7 : V 2 3
100
R188
INV_CTL
Flash_WP_1
FE_TUNER_SCL
FE_TUNER_SDA
PANEL_CTL
DBG_RX
POWER_ON/OFF_GPIO
USB_OCD
EEPROM_SCL
0 0 1 : I 2 4 ; 0 0 1 : M 1 2 ; 0 0 7 : V 2 3
ISP_RXD
DSUB_DET
0
R101
0
OPT
R102
5V_HDMI_2
5V_HDMI_1
12MHz
X100
100
R184
100
R178
100
R181
10K
R204
0
R168
0
R153
SIDE_USB_DM
SIDE_USB_DP
100
R186
OPC_EN
PWM_DIM
PWM0
A_DIM
0 0 9 : J 7
1uF
C108
OPT
PWM2
100
R145
22
R185
22
R187
0 . 1 u F
C105
0
R120
DBG_TX
DBG_RX
22
R149
22
R150
LVDS_SEL
10uF 6.3V
C103
100
R143
L103
SUB/AMP_SDA
+3.3V
SUB/AMP_SCL
EEPROM_SDA
EEPROM_SCL
4.7K
R111
4.7K
R116
0
R155
0
R156
0
R182
0
R183
22
R207
20pF
50V
C110
20pF
50V
C111
PCM_A[0-7]
001:M2
+3.3V
1K
R130
PWM1
1K
R124
OPT
PWM0
1K
R131
1K
R123
OPT
MODEL_OPT_2
R138
OPT
1K
R134
32"UP
1K
R132
26"UNDER
1K
R137
+3.3V
1K
R133
HD
MODEL_OPT_0
MODEL_OPT_3
MODEL_OPT_1
MODEL_OPT_4
1K
R135
FHD
1K
R128
HD
1K
OPT
R125
1K
OPT
R127
1K
R126
FHD
MODEL_OPT_4
0
R154
0
R158
MODEL_OPT_1
MODEL_OPT_2
0
R164
MODEL_OPT_0
0
R162
MODEL_OPT_3
0 0 1 : P 1 8
0
R193
COMP1_DET
22
R189
22
R191
22
R192
BIT_SEL
006:K14
PWM2
LED_G
FE_TS_CLK
FE_TS_SYNC
FE_TS_VAL
FE_TS_DATA
FE_TUNER_SDA
FE_TUNER_SCL
+5V_GENERAL
DBG_TX
1.2K
R107
1.2K
R110
1.2K
R119
1.2K
R118
0
R210
OPT
0
R211
OPT
FE_TUNER_SCL
0 0 1 : I 2 4 ; 0 0 1 : M 1 2 ; 0 0 7 : V 2 3
FE_TUNER_SDA
0 0 1 : I 2 4 ; 0 0 1 : M 1 3 ; 0 0 7 : V 2 3
Big_+24V/Small_+15V
+12V
+5V_GENERAL
/FE_RESET
0
R180
100
R190
100
R163
100
R206
100
R176
100
R177
100
R166
100
R161
100
R159
100
R199
100
R165
100
R197
100
R160
100
R196
100
R195
1/16W
0
5%
R226
/DEMOD_RESET
S6_RESET
22
R205
2SC3052
Q106
E
B
C
4.7K
R220
10K
R221
100
R227
+5V_ST
4 . 7 u F
10V
C113
S6_RESET
100
R228
OPT
R229
OPT
R230
0
R231
10uF
6.3V
C112
10K
R232
POWER_ON/OFF_RESETIC
+3.3V_ST
2SC3052
Q107
E
B
C
SW101
1
2
4
3
+3.3V_ST
PANEL_AGP
100
R152
0
R157
SB_MUTE
NTP_MUTE
100
R233
OPT
100
R179
POWER_DET
ISP_TXD
2 . 2 u F
C109
OPT
0
R234
MAX810RTR
IC106
1
GND
3
VCC
2
RESET
5V_HDMI_3
AV2_DET
AV1_DET
100
R194
LNA_SWITCH_SEL
RF_SWITCH_SEL
NCP803SN293
IC105
1
GND
3
VCC
2
RESET
15K
1%
R212
26"UP_12V_POWER_DET
15K
1%
R214
LIPS_5V_POWER_DET
1/16W
10K
5%
R235
+3.3V_ST
IC100
LGE3369A (Saturn6 Non RM)
DIVX
HWRESET
D4
PCMD0/CI_D0
AC16
PCMD1/CI_D1
AA15
PCMD2/CI_D2
AA16
PCMD3/CI_D3
AC6
PCMD4/CI_D4
Y10
PCMD5/CI_D5
Y11
PCMD6/CI_D6
Y12
PCMD7/CI_D7
Y13
PCM_A0/CI_A0
AB16
PCM_A1/CI_A1
AC15
PCM_A2/CI_A2
AC14
PCM_A3/CI_A3
AB14
PCM_A4/CI_A4
AC12
PCM_A5/CI_A5
AB8
PCM_A6/CI_A6
AC13
PCM_A7/CI_A7
AA9
PCM_A8/CI_A8
AB5
PCM_A9/CI_A9
AA4
PCM_A10/CI_A10
V4
PCM_A11/CI_A11
Y4
PCM_A12/CI_A12
AB9
PCM_A13/CI_A13
AA7
PCM_A14/CI_A14
AD6
PCM_RST/CI_RST
AA14
PCM_CD/CI_CD
AB18
/PCM_OE
Y5
PCM_REG/CI_CLK
AB15
PCM_WAIT/CI_WACK
AA10
/PCM_IRQA
AC8
/PCM_WE
AC7
PCM_IOWR/CI_WR
AA5
PCM_IOR/CI_RD
W4
/PCM_CE
T4
/PF_CE0
AE6
/PF_CE1
AF6
/PF_OE
AA12
/PF_WE
AA11
PF_ALE
AC9
PF_AD15
Y14
F_RBZ
AB11
UART2_TX/SCKM
F8
UART2_RX/SDAM
D11
DDCR_DA
AB21
DDCR_CK
AC21
DDCA_CLK
J 1
DDCA_DA
J 2
UART_RX2
W5
UART_TX2
V5
PWM0
AB13
PWM1
AB12
PWM2
AD12
PWM3
AA13
SAR0
A4
SAR1
B4
SAR2
F4
SAR3
E4
IRIN
C4
GPIO44
AC11
GPIO96
D9
GPIO88
D10
GPIO90/I2S_OUT_MUTE
D7
GPIO91
E11
GPIO97
E8
GPIO98
E10
GPIO99
D6
GPIO103/I2S_OUT_SD3
D5
GPIO102
C5
XIN
B3
XOUT
A3
TESTPIN/GND
E6
SPI_DI
AE11
SPI_DO
AF12
/SPI_CS
AE12
SPI_CK
AD11
USB_DP_1
B5
USB_DM_1
A5
USB_DM_2
AC10
USB_DP_2
AB10
GPIO_PM0/GPIO134
E5
GPIO_PM1/GPIO135
F5
GPIO_PM2/GPIO136
G5
GPIO_PM3/GPIO137
H5
GPIO_PM4/GPIO138
F6
GPIO_PM5/INT1/GPIO139
G6
GPIO_PM6/INT2/GPIO140
H6
GPIO131/LDE/SPI_WPn1
AC17
GPIO130/LCK
AB17
GPIO132/LHSYNC/SPI_WPn
AF11
GPIO60/PCM2_RESET/RX1
AA18
GPIO62/PCM2_CD_N/TX1
AA17
LHSYNC2/I2S_OUT_MUTE/RX1
E7
LVSYNC/GPIO133
AC18
GPIO79/LVSYNC2/TX1
C6
UART2_RX/GPIO84
F9
UART2_TX/GPIO85
F10
UART1_RX/GPIO86
A6
UART1_TX/GPIO87
B6
GPIO42/PCM2_CE_N
AF5
GPIO43/PCM2_IRQA_N
AF10
TS0_D0
AA8
TS0_D1
Y8
TS0_D2
Y9
TS0_D3
AB7
TS0_D4
AA6
TS0_D5
AB6
TS0_D6
U4
TS0_D7
AC5
TS0_SYNC
AC4
TS0_VLD
AD5
TS0_CLK
AB4
TS1_D0
AB19
TS1_SYNC
AA20
TS1_VLD
AC19
TS1_CLK
AA19
ET_TXD0
C10
ET_TXD1
B11
ET_TX_CLK
A9
ET_RXD0
C11
ET_RXD1
C9
ET_TX_EN
B10
ET_MDC
A10
ET_MDIO
B9
ET_COL
A11
GPIO67
A7
GPIO68
B8
2SC3052
DIP_DET
Q103
E
B
C
10K
R151
1K
DIP_DET
R136
+3.3V_ST
1.1K
DIP_DET
R139
2.2K
DIP_DET
R142
2SC3052
DIP_DET
Q104
E
B
C
10K
DIP_DET
R140
12K1%
DIP_DET
R129
Big_+24V/Small_+15V
100K
OPT
R174
22
DIP_DET
R146
1K
DIP_DET
R141
+12V
+5V_GENERAL
0
26"UP_DIP_DET
R122
0
22"UNDER_DIP_DET
R121
POWER_DET
LED_ON/LED_R
LED_G_SUB
33K
1%
R223
22"UNDER_15V_POWER_DET
1/10W
30K
1%
R213
LIPS_5V_POWER_DET
1/10W
6.2K
1%
R213-*1
26"UP_12V_POWER_DET
1/10W
9.1K
1%
R213-*2
22"UNDER_15V_POWER_DET
M24512-WMW6 512KBIT 64K x 8bit 1.8VTO5.5V 5MSEC SOIC(EIAJ) ST 8P STM 
M24512-WMW6
EAN43349001
IC103
3
E2
2
E1
4
VSS
1
E0
5
SDA
6
SCL
7
WC
8
VCC
MX25L3205DM2I-12G 32MBIT 4M X 8BIT 2.7VTO3.6V 12NSEC UNIFORM SECTOR SOIC(EIAJ) ST 8P MACRONIX INTERNATIONAL CO.,LTD. 
MX25L3205DM2I-12G 
EAN39050401
IC101
SERIAL_FLASH_MEMORY
3
WP#
2
SO
4
GND
1
CS#
5
S I
6
SCLK
7
HOLD#
8
VCC
100
R144
PCM_A[7]
PCM_A[6]
PCM_A[5]
PCM_A[4]
PCM_A[0]
PCM_A[1]
PCM_A[3]
PCM_A[2]
PCM_A[5]
PCM_A[3]
PCM_A[0]
PCM_A[6]
PCM_A[7]
PCM_A[4]
PCM_A[2]
PCM_A[1]
EEPROM
Serial FLASH MEMORY
for BOOT
NAND FLASH MEMORY
1         1 1
MSTAR-S6
EAX60838502(2)
/PF_CE0
H   :   S e r i a l   F l a s h
L   :   N A N D   F l a s h
/PF_CE1
H   :   1 6   b i t
L   :       8   b i t
IC105: EAN43352801(ATMEL SHRINK)
      2 0 0 9 . 0 4 . 1 5
1386 WON
$ 0 . 7 6
$0.418
SIDE_USB
    0IMMRMP008A(MICROCHIP)
I2C
MCU BOOT STRAP
1 0   :   B O O T   5 1
11 : BOOT RISC
MODEL OPTION
Taiwan_LH20/LH30
EAX60838502(1)_MERCURY
POWER DETECT
N C P 8 1 0   :   O p e n   D r a i n
MAX810 : CMOS
LVDS_CH_B
Moving_LED
FRC
OPT2
H
LVDS_CH_A
NO FRC
FHD
OPT3
L
HD
FHD
LCD
OPT0
HD/Small
Blinking_LED
PDP
M o d e l   O P T   D e s c r i p t i o n ,   0 8 1 2 1 8   U p d a t e d
OPT1
H
H
OPT2
L
( S m a l l )
L
H
OPT3
XXLH30FD,LH20FD
L
H
H
OPT0
LH20D
L
H
H
OPT1
L
22LH20D
Type C
Apply +5V_GENERAL and 12V_DIP_DET simultaneously for 26"Inch Up
Apply +5V_GENERAL and 15V_DIP_DET simultaneously for 22"Inch
LGE Use Only
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