LG Gr P227 Ytqa Service Manual
Here you can view all the pages of manual LG Gr P227 Ytqa Service Manual. The LG manuals for Fridge freezer are available online for free. You can easily download all the documents as PDF.
Page 51
EXPLATION FOR MICOM CIRCUIT - 51 -
Page 52
1-12. Key Button Input and Display Lighting Circuit This circuit is to judge the work of function control button on the operation panel and to light each function indication led (LED module). It is driven by SCAN method. EXPLATION FOR MICOM CIRCUIT - 52 - PCB ASSEMBLY, DISPLAY PWB ASSEMBLY, DISPLAY
Page 53
EXPLATION FOR MICOM CIRCUIT - 53 -
Page 54
2. Compensation circuit for weak-cold, over-cold at freezing room uThe above option circuit is a circuit to compensate for temperature at the cold storage room by simply cutting in service. Compensation Compensation for weak-cold for over-coldTemperature compensation value Remarks JCR3 JCR4 JCR1 JCR2at cold storage room 0 °C (In shipment from factory) CUT-1 °C CUT -1 °C CUT +1 °C CUT +1 °C CUT CUT -2 °C CUT CUT +2 °C CUT CUT 0 °C CUT CUT 0 °C CUT CUT 0 °C CUT CUT 0 °C CUT CUT CUT -1 °C CUT CUT CUT +1...
Page 55
3. PWB Parts Drawings and List 3-1. PWB Assembly Main Parts Drawings EXPLATION FOR MICOM CIRCUIT - 55 -
Page 56
EXPLATION FOR MICOM CIRCUIT - 56 -
Page 57
EXPLATION FOR MICOM CIRCUIT - 57 -
Page 58
EXPLATION FOR MICOM CIRCUIT - 58 -
Page 59
3-2. Parts List EXPLATION FOR MICOM CIRCUIT - 59 -
Page 60
EXPLATION FOR MICOM CIRCUIT - 60 -