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The purchased manual is an high quality scan of the original Philips paper-based Service Manual. I am very satisfied!
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The purchased manual is an scan of the original Panasonic paper-based Service Manual. Unfortunately the contrast is not perfect, but I am satisfied anyway!
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The purchased manual is an high-quality scan of the original JVC paper-based Service Manual. The Service Manual includes the Owner´s Manual, so you do not have to buy both of them.
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It paid to find this Service Manual, couldn't find it anywhere else. Exactly what I wanted. Received within 24 hours.
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Complete manual with clear schematic diagrams and printed circuit board layouts of two variants of the headset and the transmitter an old and a new version.
Also shows how the headset and the transmitter is opened and how transmitter and receivers can be adjusted and where to measure.
I had no problems to repair the headset using this service manual.
CFD-S350/S350L SECTION 4 MECHANICAL ADJUSTMENTS
PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened swab : record/playback head pinch roller erase head rubber belts capstan idlers 2. Demagnetize the record/playback head with a head demagnetizer. (Do not bring the head magnetizer close to the erase head.) 3. Do not use a magnetized screwdriver for the adjustments. 4. The adjustments should be performed with the rated power supply voltage (9V) unless otherwise noted. Torque Measurement Mode FWD Torque meter CQ-102C Meter reading 2.95 � 6.86 mN � m (30 � 70 g � cm) (0.42 � 0.97 oz � inch) 0.15 � 0.53 mN � m FWD Back Tension CQ-102C (1.5 � 5.5 g � cm) (0.021 � 0.076 oz � inch) more than 5.88 mN � m (more than 60 g � cm) (more than 0.83 oz � inch) more than 5.88 mN � m (more than 60 g � cm) (more than 0.83 oz � inch)
SECTION 5 ELECTRICAL ADJUSTMENTS
TAPE SECTION 0 dB = 0.775 V
� Standard Output Level Output terminal load impedance output signal level � Test Tape Type WS-48A Signal 3 kHz, 0 dB Used for tape speed adjustment HP OUT 32 � 0.25 V (�10 dB)
Tape Speed Adjustment Procedure: Mode: playback
test tape WS-48A (3 kHz, 0 dB) 32 � set digital frequency counter
FF
CQ-201B
i jack (J321)
REW
CQ-201B
Adjust so that the value on the digital frequency counter is 3,000 Hz. Specification Value: Digital frequency counter
Tape Tension Measurement Mode FWD Tension meter CQ-403A Meter Reading more than 100 g (more than 3.53 oz)
2,910 to 3,090 Hz Adjust so that the frequency at the beginning and that at the end of tape winding are between 2,910 to 3,090 Hz. Adjustment Location:
Tape speed adjustment control inside motor
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