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Sweet! I won the item on eBay and couldn't adjust the geometry or even keep a steady picure. This guide has the full schematics (not available anywhere else as far as I could tell), and was a bargain for the wealth of knowledge it contains. I hooked it up to my testing equipment, tweaked a few potentiometers and got it playing videogames in no time. Thanks!
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It was just what I need to fix my old BMW's CD player. Very convenient also. Thank you.
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Great Manual! It contains all the wiring schematics and mechanical exploded views that are essential for service and repair. I was surprised I even found this for such an old machine. Only wish I knew of this site many years ago.
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Great manual very clear copied. You are making an incredible job. I appreciate a lot the rapidity and your efficiency. Thanks a lot
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Good pdf of the service manual for this unit. Includes disassembly instructions, full schematics, board layouts, parts lists and diagnostic information. Some information is in the pdf twice (single pages, and split pages), but that could be how it was originally generated by panasonic, or perhaps the idea is to make it eaiser to put onto 8.5 x 11" pages.
Information was exactly what I needed. Delivery was overnight (less than 12 hours) and I was happy with the process.
Electrical
Current Drain with 12V DC: No Sound Output Maximum Volume with white keys D2 to D3 pressed in Synth-Bass-2 tone and in Latin Fusion rhythm at initial setup tempo Volume; maximum, Touch: maximum Line Output Level (Vrms with 47 K� load each cannel): with key D4 pressed in FSynth-Bass-2 tone on L-ch with key G4 pressed in FSynth-Bass-2 tone on R-ch Phone Output Level (Vrms with 8 � load each channel): with key D4 pressed in FSynth-Bass-2 tone on L-ch with key G4 pressed in FSynth-Bass-2 tone on R-ch Speaker Input Level: with key D4 pressed in FSynth-Bass-2 tone on L-ch with key G4 pressed in FSynth-Bass-2 tone on R-ch Minimum Operating Voltage:
I S
390 mA ± 20% 1700 mA ± 20%
Note: To increase productivity ,the DSP HG51A115A01FD is sticked on the main PCB with a double-side adhesive tape, then its leads are soldered. Remove the DSP according to the following procedures. 1. Prepare isopropyl alcohol and a flat IC desoldering machine (Spot Heater HS-600). 2. Apply plenty of the alcohol to the adhesive tape from the reverse side of the main PCB. (Fig. 1) There is a hole on the PCB just under the LSI, and the adhesive tape can be seen through the hole. 3. Leave it more than one minute so that the alcohol weaken adhesive power fully. 4. Using a proper size of nozzle, apply heat to leads of the LSI with the desoldering machine. 5. Grasp the LSI with tweezers, and using gentle force vibrate the tweezers to feel melting solder. (Fig.2) 6. Remove the LSI after meltingsolder at every leads wholly.
H G
1 1 5 A
850 mV ± 20% 800 mV ± 20% 280 mV ± 20% 260 mV ± 20% 5200 mV ± 20% 5600 mV ± 20% 5.5 V
REPLACING THE DSP (HG51A115A01FD)
Spot Heater HS-600
Alcohl
1 5A
L S
Fig.1
Fig.2
�2�
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