Philips CE130/55, Service Manual

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NO. DEFECTIVE
CAUSE ANALYSIS
a. Whether the 7.5A fuse of ISO connector is normal
b. Whether the power supply 5V of CPU--IC202 LM2950 is normal
c. Whether there is any cold solder/bridge solder of CPU--IC201 MC81F4216D
d. Whether there is any oscillation or detuning of crystal--CF201 32.768
e. Whether power supply of IC605 1V2
、
IC302 3V3 is normal
f. Whether there is any cold solder of decode IC--IC603 BX8804, SW memory IC--IC602 N25S80
g. Whether there is any cold solder or any defective of memory IC--IC604 M56V16160F 1x16
h. Whether there is any oscillation or detuning of crystal--CF201 32.768
i. Whether there is any contamination on the connector and socket of panel( this will cause bad contact)
j. Whether the internal of reset button is short circuit
k Whether the FFC have buckled in place
l. Whether the socket of CON201 26P have buckled in place
a. Whether SP output is normal
b. Whether the ISO board is normal
c. Whether the power supply of IC501 LV47004 is normal, whether the 22th Pin of IC501 have mute function
d. Whether the input and output PIN of IC501 is normal
e. Whether it is normal of the voltage of PIN of volume IC-QE7313
f. Whether the audio amplify of IC 4558 is normal
a. Whether the power supply of tuner is normal when change to radio function
b. Whether the input of antenna is normal
c. Whether there is any cold solder or defective of the radio module of IC001
d. Whether it is normal of the radio output IC7313 of the tuner
e. Whether there is any cold solder of any component on the tuner
f. Whether where is any defective of IC1 4558 and the components around
a. Whether the power supply of UBS 5V is normal
b. Whether the connector of front panel have a good contact
c. Whether the socket of CON201 26P have buckled in place
d. Whether there is any cold solder of L207
、
L208
、
R713---R716
、
C703
、
C704
e. Whether there is any cold solder or any defective of IC603
、
IC604
f. Whether crystal CF601 oscillate
a. Whether there is any cold solder/bridge solder of SD/MMC card connector
b. Whether the power supply of SD/MMC is normal
c. Whether there is any cold solder/bridge solder or insert in reverse of CN10 and 10P FFC
c.Whether the CON701 10P socket have buckled in place
e. Whether there is any cold solder/bridge solder or any defective of IC603
、
IC604
f. Whether crystal CF601 oscillate
a. Whether there is any defective of MP3 input interface and AUX input line
b. Whether the power supply of IC406 4052 is normal, whether have cold solder or bridge solder?
c. Whether it is normal of the voltage of the control PIN of IC406
d. Whether there is any cold solder of IC406 and the components around
a. Whether the power supply of BT module is normal
b. Whether the BT module have a good quality
c. Whether there is any cold solder of R717
、
R718
d. Whether there is any cold solder of R719
、
R720
、
R721
、
R722
e. Whether CON210 have a good quality and buckle in place
f. Whether the connector/linker PCB,FFC and FFC connector of front panel is of good quality
TROUBLE SHOOTING
1
2
3
4 No read USB
AUX/MP3
input
BT module
NO POWER
ON
NO OUTPUT
RADIO
5
6
7
No read card