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I had been looking everywhere for a proper service manual for this VCR. Everywhere else that has this available for download has a very light version. This is the full service manual with all aspects that would interest anyone looking for the service manual for the AIWA HV-MX100 Worldwide VHS VCR. Great quality (as always). A winner hands down. Best Quality.
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Top quality manual. Covers all aspects you'd expect in a top quality service manual for this Panasonic VHS VCR. The manual resolution is high. Another top quality manual from the only site worth downloading manuals from! If you're looking for a manual for the PV-9662 VHS VCR, this is the one you'll want to get!
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complete part-lists and pcb layout, schematic diagram is good enlargable,
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Excellent, fast delivery, excellent product. Good luck!
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This manual is for the usa model only. But it is clear
, accurate and comprehensive, including board layouts and schematics.
I found it extremely useful for my mitsubishi dp-86da, but the same diagram would also work for the realistic lab5000 and hi fi 80. Thanks.
HCD-NEZ3/NEZ5
2. Turn the adjustment screw and check output peaks. If the peaks do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1dB of peak.
CD SECTION
Note: 1. 2. 3. 4. CD Block is basically constructed to operate without adjustment. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. Use an oscilloscope with more than 10 M� impedance. Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks.
L-CH peak Output level R-CH peak
within 1dB within 1dB
5. Check the focus bias check when optical block is replaced.
FOCUS BIAS CHECK
oscilloscope (DC range)
L-CH peak R-CH peak Screw position
Screw position
CD board TP (RFACO) TP (VC)
+ �
3. Mode: Playback
test tape HEAD PHONE board P-4-A063 PHONES jack oscilloscope (6.3 kHz, �10 dB) (J500)
Procedure : 1. Connect the oscilloscope to TP (RFACO) and TP (VC) on the CD board. 2. Insert the disc (YEDS-18). (Part No. : 3-702-101-01) 3. Press the
CD u
button.
V set
H
4. Confirm that the oscilloscope waveform is as shown in the figure below. (eye pattern) A good eye pattern means that the diamond shape (�) in the center of the waveform can be clearly distinguished. � RF signal reference waveform (eye pattern)
waveform of oscilloscope
VOLT/DIV: 0.2 V (with the 10: 1 probe in use.) TIME/DIV: 500 ns
in phase 45° good
90° 135° 180° wrong
1.1 0.2 Vp-p
4. After the adjustments, apply suitable locking compound to the pats adjusted. Adjustment Location: Record/Playback/Erase Head
When observing the eye pattern, set the oscilloscope for AC range and raise vertical sensitivity.
Checking Location: � CD BOARD (Conductor Side) �
TP (VC)
TP (RFACO)
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