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I have this hi-fi system for a long time and I need to repair some things. Founding this manual will be very helpfull :)
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It is pretty good. The schematics were covered all components, the manual also provide the parts list . It's useful for the trouble shooting.
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Very fast service, best quality of the service manual and the schematics
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This service manual of the old video cassette recorder VT-LC50EM is very good readable even the tiniest numbers (i.e. IC-pins). The circuits are very clear. Many details of the schematic are very good described but in GERMAN language. Many schematic details - but complete at all. Common background information of several details are enclosed and physical knowledge of the TFT liquid crystal display for example. The manual lacks PCB drawings. If you understand german I would recommend this manual for you.
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Hi, this is a very clear manual, nice copy, not quite up to the standard of the very best available but better than many others. I think the price was especially fair for a hard to find manual and I would certainly use this manual seller again. Recommended.
IC, MN662786SBM Pin No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
Pin Name
DRVDD D0 D1 NWE NRAS D2 D3 NCAS0 A10 A8 A7 A6 A5 A4 A9 A0 A1 A2 A3 DVSS2 DVDD2 SPOUT TRVP TRVM TRP TRM FOP FOM IOVDD1 TBAL FBAL FE TE RFENV OFT NRFDET BDO LDON ARF IREF ADPVCC
I/O
I I/O I/O O O I/O I/O O O O O O O O O O O O O I I O O O O O O O I O O I I I I I I O I I I
Description
DRAM interface power (terminal No. 2 to 19). DRAM data input/output signal 0. DRAM data input/output signal 1. DRAM write enable signal. DRAM RAS control signal. DRAM data input/output signal 2. DRAM data input/output signal 3. DRAM CAS control signal 0. DRAM address signal 10. DRAM address signal 8. DRAM address signal 7. DRAM address signal 6. DRAM address signal 5. DRAM address signal 4. DRAM address signal 9. DRAM address signal 0. DRAM address signal 1. DRAM address signal 2. DRAM address signal 3. Digital circuit GND. Digital circuit power. Spindle motor driver signal output. Traverse drive output (� polar output). Traverse drive output (+ polar output). Tracking drive output (� polar output). Tracking drive output (+ polar output). Focus drive output (� polar output). Focus drive output (+ polar output). I/O power supply. Tracking balance adjustment output. Focus balance adjustment output. Focus error signal input (analogue input). Tracking error signal input (analogue input). RF envelope signal input (analogue input). Off track signal input. "H": Off track. RF detection signal input. "L": Detected. Drop out signal input. "H": Drop out. Laser on signal output. "H": On. (Not used) RF signal input. Reference current input terminal. A/D reference voltage input (analogue input).
� 22 �
 $4.99 XPR238 AIWA
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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