Malfuction Check Chart - Philips MCi300 Service Manual

2-3
Malfunction Check Chart
The set function no
sound(All mode)
No
Check power wire, speaker
wire, If they fix ok?
Yes
No
Check FFC cable of 1706
on W08 board or 1401 on
AMP board is good or bad
Yes
No
Check AMP circuit of set is
good or bad
Yes
No
Check the voltage of SMPS
which in W08 and AMP
boards are normally or not
Yes
Check mute circuit and CPU
circuit and change
CD function no sound
Check CD output is good or
Fix the wire and check
bad
speaker is good or not
Check IDE Cable is good or
Change the FFC cable of
bad
1706 or 1401.
Check the related
components of CD signal
Change IC TAD8932
channel is good or bad
of AMP board
Tuner function no sound
Change the SMPS
Check tuner output is good
or bad
Check FCC Cable is good
or bad
Change FFC cable of tuner
No
Check power circuit
Yes
No
Change the IDE cable
Yes
No
Change the related
components.
Change Tuner module
No
Yes
Check the TDA7468 circuit
No
of set is good or bad
Yes
2-3
USB can't read
No
Check the socket of USB Change socket of W08
whether dirty or loosen
Yes
Check the wire from Change W08 board
No
socket to W08 board is
normal or not
Yes
Change USB socket