DOWNLOAD LG 50PM6700-TK (CHASSIS:PA22A) Service Manual ↓ Size: 18.73 MB | Pages: 74 in PDF or view online for FREE

Model
50PM6700-TK (CHASSIS:PA22A)
Pages
74
Size
18.73 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pm6700-tk-chassis-pa22a.pdf
Date
PREV: LG 50PM6700-TD (CHASSIS:PA22A) Service Manual

LG 50PM6700-TK (CHASSIS:PA22A) Service Manual ▷ View online

SPDIF OUT
CVBS
USB0 
Audio
AMP
I2S Out
MTK5369
USB2
USB1
CVBS/COMP
RS-232C
PC-RGB
OPTIC
LAN
SYSTEM
DDR3x16_2Gb X 4
(8Gb)
LVDS
HDMI1
HDMI2
HDMI3
HDMI4
COMP
RGB,H/V
With EEPROM
Ethernet
Parallel TS
DIF
CVBS
UART
HDMI
With
EEPROM
RF Emitter
Module(Bluetooth)
I2C
Sub Micom
(Renesas)
HD : 51P
FHD : 80P
USB2
USB1 
NVRAM
(1Mb)
X-TAL
(27MHz)
HDCP2.0
Wi-Fi
CVBS
DVB T F/NIM
Silicon Tuner
DVB T F/NIM
Silicon Tuner
X-TAL
(32.768kHz)
eMMC
(2GB)
RGB_LR
COMP
COMP
PC-AUDIO
DIF
Parallel TS
2. No OSD Trouble Shooting
CVBS/COMP LR
CVBS/COMP LR
COMP LR
COMP LR
Replace Power board
N
Y
Check 5V Voltage Level
at P1100
Check Power connector
Y
Check all multi voltage
(12v, 3.3v, 1.2v)
N
Check power up boot sequence
Y
Check LVDS Cable
N
Replace Cable
Y
Check PDP Module
Check 5V Voltage Level
at L1102
N
Replace one of L1102
& Recheck
Y
Check P1100 5V_ON
Check GPIO Path of  Micom
N
Y
2. No OSD Trouble Shooting
SPDIF OUT
CVBS
USB0 
Audio
AMP
I2S Out
MTK5369
USB2
USB1
CVBS/COMP
RS-232C
PC-RGB
OPTIC
LAN
SYSTEM
DDR3x16_2Gb X 4
(8Gb)
LVDS
HDMI1
HDMI2
HDMI3
HDMI4
COMP
RGB,H/V
With EEPROM
Ethernet
DIF
CVBS
UART
HDMI
With
EEPROM
RF Emitter
Module(Bluetooth)
I2C
Sub Micom
(Renesas)
HD : 51P
FHD : 80P
USB2
USB1 
NVRAM
(1Mb)
X-TAL
(27MHz)
HDCP2.0
Wi-Fi
CVBS
DVB T F/NIM
Silicon Tuner
DVB T F/NIM
Silicon Tuner
X-TAL
(32.768kHz)
eMMC
(2GB)
RGB_LR
COMP
COMP
PC-AUDIO
DIF
3. Digital TV Video Trouble Shooting 
CVBS/COMP LR
CVBS/COMP LR
COMP LR
COMP LR
Check RF Cable
Y
Maybe MTK2112(IC100)
has problems
Check Tuner(TU1002-1 Power
(3.3V, 1.8V, 1.23V)
N
Replace one of Bead
& Recheck
Y
Check IF Signal pin #10,11
N
Maybe Tuner has problems
Y
3. Digital TV Video Trouble Shooting 
Pin No.
Description
1
NC_1
2
RESET
3
SCL
4
SDA
5
3.3V
6
SIF
7
1.8V
8
CVBS
9
T/C_IF_AGC
10
T/C_DIF[P]
11
T/C_DIF[N]
12
NC_2
13
NC_3
14
NC_4
15
GND_1
16
ERROR
17
SYNC
18
VALID
19
MCLK
20
D0
21
D1
22
D2
23
D3
24
D4
25
D5
26
D6
27
D7
28
GND_2
29
GND_3
30
1.23V
31
S2_RESET
32
3.3V
33
S2_F22_OUTPUT
34
S2_SCL
35
S2_SDA
36
LNB
37
GND_4
Checking order
1. Check Tuner power  (Pin #5, #7)
2. Check Tuner I2C level  (Pin #3, #4)
3. Check Tuner IF Signal (Pin #10, #11)
5. Check Ts Signal
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