Service Manuals, User Guides, Schematic Diagrams or docs for : LG VCR bn200y system circuit diagram
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* IC501 Waveform Photographs
3. System Circuit Diagram
Reset is defective.
LD Motor will not operate. Set dead.
IC502, ZD501 are defective. IC504 is defective.
IC501 Pin 24 IC501 Pin 27 IC501 Pin 31 IC501 Pin 32
1V/5mS 1V/2mS 1V/10mS 1V/10mS
REC/PB modes QUE/REV modes REC mode REC mode
(V.H/SW) (D.V-SYNC) (CTL+) (CTL-)
PB PG will not operate.
VR501 is defective.
IC501 Pin 38 IC501 Pin 39 IC501 Pin 40 IC501 Pin 43
1V/1mS 1V/10uS 1V/1mS 100mV/10uS
REC/PB mode REC/PB modes REC/PB modes EE/PB modes
(DFG) (DPG) (CFG) (V-IN)
VCR dead.
IC505 is defective.
IC501 Pin 45 IC501 Pin 54
500MV/10uS 1V/20uS
EE/PB modes EE/PB modes
(V-OUT) (C-SYNC)
1
2 10
5 6 7 8 9
3 4
_ SYSTEM IC Voltage Sheet
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