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Information
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Featured Product
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- GENERAL
- TEST MODE
- MECHANICAL ADJUSTMENTS
- ELECTRICAL ADJUSTMENTS
- DIAGRAMS
- Circuit Boards Location
- Block Diagram
- Schematic Diagram — Main Section (1/2)
- Schematic Diagram — Main Section (2/2)
- Printed Wiring Board — Main Section
- Printed Wiring Board — Display Section
- Schematic Diagram — Display Section
- Printed Wiring Board — SW Section
- Schematic Diagram — SW Section
- Printed Wiring Board — Power Amp Section
- Schematic Diagram—Power Amp Section
- Printed Wiring Board — Deck Section
- Schematic Diagram — Deck Section
- Printed Wiring Board — Power Transformer Section
- Schematic Diagram — Power Transformer Section
- IC Block Diagrams
- IC Pin Function
- EXPLODED VIEWS
- ELECTRICAL PARTS LIST
There are currently no product reviews.
 ;
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
;
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
;
Pioneer CDXP23S is an old model and has been top useful for me to find this Manual. CD Player is still repaired.
;
Inventory (Stock): a rather extensive list of service manuals, which are hard to find, especially 15+ yrs old.
Pricing: very reasonable.
Delivery/Response: Very Prompt delivery of product: Placed order and received download access within 1.5hrs.
Service Manual: a rather complete OEM service manual (15.5MB pdf file size). Scan quality was very good, accept for a few circuit board diagrams that were dark; Zooming, however, clarified the image. Has the required information for servicing the LD Player.
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Perfect copy of a necessary document and my Sonic Modulator is repaired!
SECTION 3 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. 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 Forward Forward Back Tension Reverse Reverse Back Tension FF, REW CQ-102RC CQ-201B Torque Meter CQ-102C CQ-102C CQ-102RC Meter Reading 36 to 61g�cm (0.50 to 0.84 oz�inch) 2 to 6g�cm (0.026 to 0.082 oz�inch) 36 to 61g�cm (0.50 to 0.84 oz�inch) 2 to 6g�cm (0.026 to 0.082 oz�inch) 61 to 143g�cm (0.85 to 1.98 oz�inch)
SECTION 4 ELECTRICAL ADJUSTMENTS
DECK SECTION 1. 0 dB=0.775V
2. 3. 4. 5.
6. 7. 8.
Demagnetize the record/playback head with a head demagnetizer. (Do not bring the head demagnetizer close to the erase head.) Do not use a magnetized screwdriver for the adjustments. After the adjustments, apply suitable locking compound to the parts adjust. The adjustments should be performed with the rated power supply voltage unless otherwise noted. 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.) The adjustments should be performed for both L-CH and Rch. Switches and controls should be set as follows unless otherwise specified. Set to test mode. (While pressing the DUBBING SPEED HIGH button, insert the AC outlet.) Test Tape Tape P-4-A100 WS-48B P-4-L300 Signal 10 kHz, �10 dB 3 kHz, 0dB 315 Hz, 0dB Used for Azimuth Adjustment Tape Speed Adjustment Level Adjustment
�
� Tape Tension Measurement Mode Forward Reverse Tension Meter CQ-403A CQ-403R Meter Reading more than 100 g (3.53 oz�inch) more than 100 g (3.53 oz�inch)
Record/Playback Head Azimuth Adjustment DECK A DECK B
Note : Perform this adjustments for both decks. Remove the covers of cassette holders. Procedure: 1. Mode: Playback (FWD)
test tape P-4-A100 (10 kHz, �10 dB)
rear panel set
level meter + �
VIDEO1 AUDIO OUT connector (L: L-CH) (R: R-CH)
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.
L-CH peak output level
within 1dB within 1dB
Screw position
R-CH peak L-CH peak R-CH peak
Screw position
�6�
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