LG 32LC2DU / 37LC2D / 42LC2 (CHASSIS:LA63E) Service Manual ▷ View online
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5. HDMI doesn't display
Check input connect P7007.
Can you see the normal waveform?
P7007 may have problem. Replace this Jack.
Check DDC communication lines(IC7013 Pin5,6)
After checking the Power of this chip, you should
decide to replace this or not.
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Check HDCP communication lines(IC7005 Pin5,6)
After checking the Power of this chip, you should
decide to replace this or not.
Yes
Check the input of MST3361(IC7004)
This signal is TMDS.
Can you see the normal waveform?
After checking the trace of TMDS lines and power
of MST3361, you should decide to replace
MST3361 or not.
Check the output of MST3361(IC70
Can you see the normal waveform?04 ).
After checking the Power of MST3361 you should
decide to replace MST3361 or not.
Check the input and output of BCM3550(IC4006).
Especially you should check
The H,V sync and clock.
Can you see the normal waveform?
This board has big problem because
Main chip(BCM3550) have some troubles.
After checking thoroughly all path once again,
You should decide to replace BCM3550 or not.
BLOCK DIAGRAM
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- 23 -
EX
PL
O
D
ED
V
IE
W
(3
2L
C
2D
/U
)
01
0
02
0
05
0
07
0
08
0
09
0
10
0
03
0
15
0
04
0
14
0
12
0
13
0
06
0
06
0
11
0
20
0T
20
0N
20
1N
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EXPLODED VIEW PARTS LIST(32LC2D/U)
No.
PART NO.
DESCRIPTION
30919E0041V
Cover Assembly, 32LC2D-UD BRAND 30909E0019A LGEMX PHANTOM
30919E0041B
Cover Assembly, 32LC2D-UD BRAND 30909E0019A PACIFIC DTV-32LC2DU(KUMI)
EAJ32763001
LCD,Module-TFT, LC320W01-SL18 WXGA 32INCH 1366X768 500CD COLOR 72% 16/9 800:1 A-TW Pol. P6 LG PHILIPS LCD
or EAJ30768801
LCD Module, LC320W01-SL14 WXGA 32.0INCH 1366X768 500CD COLOR 72% 16/9 800 NEC Lamp
6304FAU022A
LCD,Module-TFT, T315XW01-V5 XGA 31.5INCH 1366X768 500CD COLOR 72% 16/9 1200:1 SPREAD SPECTRUM
ACQ31011703
Cover Assembly,Rear, 32LC2D-UE LA63E 32" Pacific2(BCM) C/SKD
3043900026J
Base Assembly, STAND 32LC2D-UD LA51D LGEMX PHANTOM
3043900026A
Base Assembly, 32LC2D-UD NONE WITHOUT PRINTING-32LC2DU(KUMI)
AGU30741006
Plate Assembly, ASSY C/SKD METAL FRAME ASSY FOR 32LC2D-UE LPL module
AGU30741003
Plate Assembly, ASSY METAL FRAME ASSY C/SKD FOR 32LC2D-UE AUO module
EAB30827201
Speaker,Fullrange, C112K01K1450. FERRITE 15W 8OHM 83.5DB 170HZ 116 X 42 X 38.5 LUG
68719ST901C
PCB Assembly,Sub, SUB T.T LA51D 32LC2D-UD AKRLLH SIDE TOTAL_DMS apply
EBR32682101
PCB Assembly, SUB T.T LA63E 32LC2D-UE . Side AV [AUO].[DMS]
6709900016C
SMPS,AC/DC, LGLP2637HEP 90VTO264V 215W 47TO63HZ UL/CSA/SEMKO YY / AT / H&E YUYANG TELECOM CO.,LTD
EBU33740901
Main Total Assembly, 32LC2D/U-UE [LPL] BRAND LA63E
EBU32679601
Main Total Assembly, 32LC2D-UE[AUO] BRAND LA63E
MGJ32604602
Plate, PRESS SBHG 0.8 SHIELD SBHG-A C/SKD 32LC2D-UE REAR SHIELD
49509K0195B
Plate, FRAME SUPPORT 32LC2 C/SKD
68719ST899B
PCB Assembly,Sub, SUB T.T LA51D 32LC2D-UD ALKRLLX KEY TOTAL (EXCEPT MECH'''')
EBR31360201
PCB Assembly, SUB T.T LA63E 26LC2D-UE . Preamp+LED For DMS
35509K0199A
Cover, MOLD HIPS 32LC2 REAR STAND SUPPORTER
35509K0197A
Cover, MOLD HIPS 32LC2 CABLE MANAGEMENT
010
020
030
040
050
060
070
080
090
100
110
120
130
140
150
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