BBK DK1020S, Service Manual

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Symptom Causes Symptom Causes
Laser head not good Not read CD or
Nerve line not good halt when rading CD
Frame not good Not read CD or
Decode board: XS301 not good halt when rading CD
Decode board: XS203 not good Not read CD or
Decode board: XS303 not good halt when rading CD
Decode board: L223 rosin joint Not read CD or
Decode board: L308 rosin joint halt when rading CD
Decode board: U302 not good
(D5954)
Laser head not good
Decode board: U201 not good
(MT1389)
Decode board: D5954 mot good
Power board: D506 not good Absorb disc Loader cover board not good
Power board: IC not good Power switch not good
Not read DVD or
Decode board: U219 not good
(MT1389)
Halt when reading
DVD
Decode board: U214 not good
(flash)
Not read CD or Decode board: C276 not good
halt when rading CD
Power board: U501 not good
5L0380R
Not read CD or Power board: XS505 joint welding
halt when rading CD
Power board: X502 shedding
welding
Not read CD or Power on automatically
Decode board: U214 not good
(flash)
halt when rading CD Panel: N102 not good (S0793)
Not read CD or
Decode board: U201 not good
(MT1389)
halt when rading CD
Power amplifier board: N13, N14 not
good (TAS5112)
Panel: N102 not good (S0793)
Power amplifier board: L4, L3 not
good AV: joint welding for S-video
terminal
Power amplifier board: XS207 not
good Power amplifier board: R115 not
good
Panel: joint welding for headphone
Power amplifier board: L13 not
good
Decode board: C2162, C2171 joint
welding
No sound for surround
Power amplifier board: XS207 not
good
Power board: U507 not good
No sound for surround
left
Decode board: R296 rosin joint
Down
No sound for power
amplifier
Decode board: L308 rosin joint
Decode board: R302 mistakenly
used
No sound for power
amplifier
Decode board: V301 joint welding
Not read disc
Disc rotation speed too fast
Power not on
Decode board: U302 not good
Decode board: V304 rosin joint
Decode board: V302 shedding
welding
Laser head not good
Laser head not good
Decode board: R311 rosin joint