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SERVICE HINTS
REPAIR POSITION COMPONENTSIDE
To get access to the componentside of the
printed circuit board proceed as follows:
1. Disconnect DC-cable and headphone
2. Remove bottom screws
(remember hidden screw in battery compartment)
3. Open the CD-door
4. Lift the top-cabinet
5. Close the door-switch (e.g. paper-clip)
6. Supply the unit via external DC-socket
The unit is now in a proper working position and can be turned in all directions necessary to get access for measurements.
SERVICE TOOLS
Audio signal disc SBC429
Playability test disc SBC444
Test disc 5 (disc without errors) + Test disc 5A (disc with dropout errors,
black spots and fingerprints) SBC426/SBC426A
TRAINING MATERIAL
Portable CD 1994 – Principles of Electronic Shock Absorption System ESA,
Key components 1994, Remote control system
Portable CD 1996 – Key components 1996, Battery charging, DC/DC-converter
ESD PROTECTION EQUIPMENT
Anti-static table mat large 1200x650x1.25mm
small 600x650x1.25mm
Anti-static wristband
Connection box (3 press stud connections, 1MΩ)
Extendible cable (2m, 2MΩ, to connect wristband to connection box)
Connecting cable (3m, 2MΩ, to connect table mat to connection box)
Earth cable (1MΩ, to connect any product to mat or to connection box)
KIT ESD3 (combining all 6 prior products - small table mat)
Wristband tester
CS 46 432
2-1
REPAIR POSITION COPPERSIDE
To get access to the copperside of the
printed circuit board proceed as follows:
1. Disconnect DC-cable and headphone
2. Remove bottom screws
(remember hidden screw in battery compartment)
3. Open the CD-door
4. Lift the top-cabinet
5. Take the printed circuit board/drive unit out of the bottom
(take care of battery springs)
6. Position printed circuit board/drive unit into top-cabinet
7. Supply the unit via external DC-socket
4822 397 30184
4822 397 30245
4822 397 30096
4822 725 24941
4822 725 24986
4822 466 10953
4822 466 10958
4822 395 10223
4822 320 11307
4822 320 11305
4822 320 11306
4822 320 11308
4822 310 10671
4822 344 13999
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