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SONY CHCCL3
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of SONY CHCCL3 Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 19 (click to view)
SECTION 5 MECHANICAL ADJUSTMENTS
Precaution 1. Clean the following parts with a denatured alcohol-moistened swab: record/playback heads pinch rollers erase head rubber belts capstan idlers 2. Demagnetize the record/playback head with a head demagnetizer. 3. Do not use a magnetized screwdriver for the adjustments. 4. After the adjustments, apply suitable locking compound to the parts adjusted. 5. The adjustments should be performed with the rated power supply voltage unless otherwise noted. Torque Measurement
Mode FWD FWD back tension REV REV back tension FF/REW Torque meter CQ-102C Meter reading 3.04 – 6.96 N • m (31 to 71 g • cm) (0.43 – 0.98 oz • inch) 0.20 – 0.58 N • m (2 to 6 g • cm) (0.02 – 0.08 oz • inch) 3.04 – 6.96 N • m (31 to 71 g • cm) (0.43 – 0.98 oz • inch) 0.20 – 0.58 N • m (2 to 6 g • cm) (0.02 – 0.08 oz • inch) 6.97 – 14.02 N • m (71 to 143 g • cm) (0.98 – 1.99 oz • inch) 0.98 N • m or more (100 g or more) (3.53 oz or more) 0.98 N • m or more (100 g or more) (3.53 oz or more)

HCD-CL1/CL3 SECTION 6 ELECTRICAL ADJUSTMENTS
DECK SECTION 0 dB=0.775V

1. Demagnetize the record/playback head with a head demagnetizer. 2. Do not use a magnetized screwdriver for the adjustments. 3. After the adjustments, apply suitable locking compound to the parts adjusted. 4. The adjustments should be performed with the rated power supply voltage unless otherwise noted. 5. The adjustments should be performed in the order given in this service manual. (As a general rule, playback circuit adjustment should be completed before performing recording circuit adjustment.) 6. The adjustments should be performed for both L-CH and R-CH. 7. Switches and controls should be set as follows unless otherwise specified.
Tape P-4-A100 WS-48B Signal 10 kHz, –10 dB 3 kHz, 0 dB Used for Azimuth Adjustment Tape Speed Adjustment

CQ-102C

Record/Playback Head Azimuth Adjustment Procedure: 1. Mode : Playback
test tape P-4-A100 (10kHz, –10dB) main board CN301 Pin 1 (L-ch) Pin 3 (R-ch) set

CQ-102RC

CQ-102RC

CQ-201B

level meter

FWD tension REV tension

CQ-403A CQ-403R

+ –

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 1 dB of peak.

L-CH peak

output level

within 1 dB within 1dB

screw position

R-CH peak screw position

L-CH peak

R-CH peak

17

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