Service Manuals, User Guides, Schematic Diagrams or docs for : LG VCR bc250y sys_sr10485a
<< Back |
HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download
Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing.
If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download sys_sr10485a documenatation <<Text preview - extract from the document * IC501 Waveform Photographs
3. System Circuit Diagram
VCR dead.
Reset is defective. IC505 is defective.
LD Motor will not operate. Set dead. PB PG will not operate.
IC502, ZD501 are defective. IC504 is defective. VR501 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-)
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)
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
_ IC502 Voltage Sheet _ System IC Voltage Sheet _ SYSTEM IC Voltage Sheet
PB 0.4 0.8 12.19 12.19 2.16 Emitter Collector Base
◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo