Bose Wave music system Manual de solución de problemas

Navegue en línea o descargue pdf Manual de solución de problemas para Sistema estéreo Bose Wave music system. Bose Wave music system 1 páginas. Radio/cd
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BOSE

WAVE

Refer to the Bose Wave radio/CD service manual, part number 250443, for schematics,

PCB layouts and part lists.

Symptom

Dead Unit.

Unit turns on/off by

itself.

Intermittent or

inoperable FM/AM.

Constant hum on

AM/FM.

Hum on all sources. Reversed C202 or C205.

The CD player is

inoperable or

intermittent.

The unit doesn't

respond to the

buttons located on

the CD door.

CD does not work.

CD skips.

2000 Bose Corporation

RADIO/CD TROUBLESHOOTING GUIDE

Reason(s)

1. Fuse F1 open.

2. Unseated J1.

3. Open power transformer.

CD door defective.

Depending on date code,

defective CF303 and C341, C342

or fractured solder joints on

CF303.

Refer to service bulletin 250443-

B3 for further information.

Power supply capacitor C205 may

be installed with reverse polarity.

Fractured solder joints on power

supply capacitor C16.

The PCB located in the CD door

assembly may be cracked.

1. CD mechanism lens dirty.

2. C16 has fractured solder joints

3. 13 conductor flex cable

defective.

4. CD mechanism failed.

5. U500 defective.

6. Switch on CD door assembly

defective.

1. C16 has fractured solder joints

2. 13 conductor flex cable

defective.

Action

1. Replace fuse F1.

2. Reconnect J1.

3. Replace power transformer.

Replace the CD door assembly.

1. In units built before 5/4/99,

replace CF303 with a 7.2 MHz

crystal, part number 250892-

001 and C341 and C342 with

27pF capacitors part number

133622-270. After soldering

CF303, be sure to clip the

leads.

2. In units built after 5/4/99,

check for fractured solder

joints on CF303 and make

sure the leads have been

clipped.

Replace capacitor C205 part

number 144000-471V.

Replace C202 or C205.

Re-solder power supply capacitor

C16.

Replace the CD door assembly,

part number 198608-010 platinum

white or 198608-002 graphite

grey.

1. Clean lens.

2. Resolder C16.

3. Replace the flex cable.

4. Replace the CD mechanism.

5. Replace U500.

6. Replace the CD door

assembly.

1. Resolder C16.

2. Replace the flex cable.

Part Number

250443-TG1

Rev. 00