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As the only source for this manual it rather rank quite high since it is well scanned and perfectly readable.
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the manual is in good quality and it's in pdf. manual was send in less then 24h.
regards
mike
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I would not plug this machine in without finding a manual like this. In addition to setup and normal operating instructions, it has troubleshooting flowcharts, diagrammed mechanical adjustments, and schematics to beat the band. The tech I hand it to would be thrilled to find solder side PCB diagrams with component outlines superimposed, pinouts for every IC chip, and line drawings of transistors, with labeled legs.
As for printing quality, this may be a copy of a copy, but even the finest print when enlarged is very legible. There is a bit of grayed print over a few pages, as if a wet page were placed over it, but the print is still very legible. If you could borrow an original manual and get it printed and bound for 4 to 6 times the cost, you could get better quality. In that case you wouldn't be here. For price, utility, and availability I am rating this manual highly.
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I received the Manual in a timely manner and it was exactly what I needed.
This is a perfect copy of the Service Manual, The quality is great. I am very
happy. Thank you
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exactly as they say. Within 24 hours the link to the pages and offcourse it was the right service manual. Super and thanks
M-640V/645V/647V SECTION 3 MECHANICAL ADJUSTMENTS
PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened swab : record/playback/erase head pinch roller rubber belts capstan 2. Demagnetize the record/playback/erase head with a head demagnetizer. 3. Do not use a magnetized screwdriver for the adjustments. 4. The adjustments should be performed with the rated power supply voltage unless otherwise noted. Power supply voltage: 3 Vdc TAPE SPEED switch : 2.4 cm Torque Measurement
Mode Forward Fast Forward Torque Meter CQ-103M CQ-201M Meter Reading 0.49 � 1.27 mN � m (5 � 13 g � cm) (0.07 � 0.180 oz � inch) more than 2.95 mN � m (more than 30 g � cm) (more than 0.42 oz � inch) Rewind CQ-201M more than 2.95 mN � m (more than 30 g � cm) (more than 0.42 oz � inch)
SECTION 4 ELECTRICAL ADJUSTMENTS
Specified voltage: 3 V (DC) Test Tape
Type S-2-A030 WS-24 WS-12 Signal 3 kHz, � 20 dB 3 kHz, � 10 dB Used for Head Azimuth Adjustment Tape Speed Adjustment Tape Speed (cm/s) 2.4 2.4 1.2
Record/Playback/Erase Head Azimuth Adjustment
Setting: [VOL] control : mechanical mid [TAPE SPEED] switch : 2.4 cm/s [VOR] switch : OFF Procedure: 1. Mode: Playback
test tape S-2-A030 (3 kHz, �20 dB) set
level meter 16 � + �
Tape Tension Measurement
Mode Forward Tension Meter CQ-403M Meter Reading more than 20 g (more than 0.28 oz)
[EAR] jack (J101)
2. Turn the head azimuth adjustment screw to obtain the maximum reading on level meter.
Note: Several peaks may appear, but the maximum.
Adjustment Location: First remove the cover (AZ).
Remove the cover (AZ).
head azimuth adjustment screw
8
 $4.99 M-640V SONY
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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