Philips FWD872/98 - System Connections Guide; Speaker and Subwoofer Placement; Connecting Speakers and Subwoofer

2 - 2 2 - 2
D
Audio line
No output
Check JK700 is
good or
bad
Check IC500
pin4=-12V
CheckIC500 to
Check12V
and IC106 ciruit
Check IC106 and
its conjaint part
Repair between
and IC106 ciruit
IC500 to JK700
Change JK700
supply circuit
E
Digital line
No output
check IC109
Check 5V
Check between
supply circuit
IC106 Pin95 circuit
pin14= 5V
JK201 TO
Check IC106
circuit
F
DVD
No Video
Check JK102 is
good or bad
Change
JK102
CheckJK100 is
good or bad
Change JK100
Check between
IC106 circuit
JK100 TO
Repairbetween
IC106 circuit
JK100 TO
CheckIC106 and
its around part
pin8=12V
MAIN UNIT REPAIR CHART 2/3
BAD
NO
YES
YES
NO
OK
OK
BAD
NO
YES
YES
BAD
OK
OK
NO
G
USB FUNCTION
NO WORKING
Check USB pcb
CN104 cable
loose or bad INT
RE-insert and fi x
the cable
YES
Checktest CN104
Pin1=5V
Check
USB JK&
PCB s
ection bad
cause damage
Check back power
PCB power supply
circuit
NO
NO
YES
JK
700
IC301,IC500