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DOWNLOAD LG LWG0710PCG / LWG0720NCN / LWG0720PCG / LWG0760ACG_ACP / LWG0760BCG / LWG0760PCG / LWG0760QCG / LWG0761ACG_ACE_AAG_PCG_ACP_ACF / LWG0761BCE_BCN_BAG / LWG0761QAG / LWG0820ACG_SAS_NCE / LWG0821ACG_LWG0911AAG / LWG0960ACG_ACS_ACN_AAG_ACP_ACF / LWG0960BCW07LC Service Manual ↓ Size: 1.77 MB | Pages: 36 in PDF or view online for FREE

Model
LWG0710PCG LWG0720NCN LWG0720PCG LWG0760ACG_ACP LWG0760BCG LWG0760PCG LWG0760QCG LWG0761ACG_ACE_AAG_PCG_ACP_ACF LWG0761BCE_BCN_BAG LWG0761QAG LWG0820ACG_SAS_NCE LWG0821ACG_LWG0911AAG LWG0960ACG_ACS_ACN_AAG_ACP_ACF LWG0960BCW07LC
Pages
36
Size
1.77 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lwg0710pcg-lwg0720ncn-lwg0720pcg-lwg0760acg-acp-lw.zip
Date
PREV: LG LW-E1860HL / LW-D1831CN / LW-D1834CN Service Manual

LG LWG0710PCG / LWG0720NCN / LWG0720PCG / LWG0760ACG_ACP / LWG0760BCG / LWG0760PCG / LWG0760QCG / LWG0761ACG_ACE_AAG_PCG_ACP_ACF / LWG0761BCE_BCN_BAG / LWG0761QAG / LWG0820ACG_SAS_NCE / LWG0821ACG_LWG0911AAG / LWG0960ACG_ACS_ACN_AAG_ACP_ACF / LWG0960BCW07LC Service Manual ▷ View online

—8—
• Check the Fuse.
• Check the wiring diagram.
Is the Trans input power 
the same as specified?
Is the Trans output power
about AC 14V?
Is shorted the Trans. output?
Is output Voltage of IC01D
DC 12V?
Is output Voltage of IC02D
DC 5V?
Is the voltage No.20 of Micom
DC 5V?
Exchange Main PCB Ass'y.
Is the 
connection between
Main and Display 
all right?
Is the reset circuit all right?
(The No.16 of
Micom is 5V.)
• Check the Fuse.
• Check the wiring diagram.
• Check the Main 
  PCB pattern.
• Exchange the Trans.
• Exchange D02D~D05D.
• Exchange IC01D.
• Exchange IC02D.
• Exchange IC01A, C02A.
• Connect connector
  exactly.
• Check the PCB 
  pattern.
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
3. ELECTRICAL PARTS TROUBLESHOOTING GUIDE: 
• MODEL : Micom models
Possible Trouble 1
The unit does not operate.
—9—
4. SCHEMATIC DIAGRAM
4.1 CIRCUIT DIAGRAM
• MODELS : LWG0760ACG, LWG0760ACP, LWG0960ACG, LWG0960AAG, LWG0820ACG,
LWG0821ACG, LWG0720ACG, LWG0761ACG, LWG0761ACE, LWG0761ACP,
LWG0761AAG, KC10WR, LWG0911AAG, LWG0960ACP, LWG0960ACF, LWG0761ACF,
LWG0911AAG, LWG0930AAG, LWC091GSAA0, LWC093GSAA0, LWC076GGAA0
•  MODELS : LWG0760BCG, LWG0960BCG, LWG0761BCE/BCN/BAG,
LWC076GGAB0/GSAA0, LWC096GGAB0, LWC076GEAB0, LWC096GEAB0
BR(YL)
BK
RD
P.T.C
—10—
•  MODELS : LWG0820SAS
•  MODELS : LWG0761PCN
—11—
•  MODELS : LWG0760PCG, LWG0960PCG, LWG0960QAG, LWG0720NCG,
LWG0820PCG, LWG0761PCF, LWG0761PCG, LWC076GGMM0,
LWC076GSMM0, LWC096GGMM0, LWC076GEMM0, LWC096GEMM0
•  MODEL : LWG0760QCG, LWG0960QCG
.
WIRING DIAGRAM
CN-DISP 2
CN-SYNC
CN-DISP 1
R
Y
-HI
R
Y
-LO
R
Y
-MED
BR
BR
FUSE 250V T2A
3
4
Page of 36
Display

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