2-1
CS 46 460
SERVICE HINTS
REPAIR POSITION COPPERSIDE
To get access to the copperside of the
printed circuit board proceed as follows:
1. Remove the bottom screws (6x)
2. Lift the bottom-cabinet
3. Supply the unit via external DC-socket
4. Take care of door switch during measurement or enter
service test program, radial test
To get access to the componentside of the
printed circuit board proceed as follows:
1. Remove the bottom screws (6x)
2. Open the CD-door
3. Lift the top-cabinet and put it backwards on the table
4. Remove the bottom and supply the unit via the external
DC-socket as shown in the picture above
5. Close the door-switch (i.e. adhesive tape) or enter
service test program, radial test
SERVICE TOOLS
Audio signal disc SBC429
4822 397 30184
Playability test disc SBC444
4822 397 30245
Test disc 5 (disc without errors) + Test disc 5A (disc with dropout errors,
black spots and fingerprints) SBC426/SBC426A
4822 397 30096
TRAINING MATERIAL
Portable CD 1994 – Principles of Electronic Shock Absorption System ESA,
Key components 1994, Remote control system
4822 725 24941
Portable CD 1996 – Key components 1996, Battery charging, DC/DC-converter
4822 725 24986
Portable CD 1998 – Key components 1998, Power Save Mode PSM
4822 725 26017
(available from April 1998 onwards)
ESD PROTECTION EQUIPMENT
Anti-static table mat large 1200x650x1.25mm
4822 466 10953
small 600x650x1.25mm
4822 466 10958
Anti-static wristband
4822 395 10223
Connection box (3 press stud connections, 1M
Ω
)
4822 320 11307
Extendible cable (2m, 2M
Ω
, to connect wristband to connection box)
4822 320 11305
Connecting cable (3m, 2M
Ω
, to connect table mat to connection box)
4822 320 11306
Earth cable (1M
Ω
, to connect any product to mat or to connection box)
4822 320 11308
KIT ESD3 (combining all 6 prior products - small table mat)
4822 310 10671
Wristband tester
4822 344 13999
REPAIR POSITION COMPONENTSIDE
The unit is now in a proper working position and can be turned in all directions necessary to get access for measurements.
