Philips FWD872/98 - Connecting the System to Your TV Set

2 - 3 2 - 3
H
MIC Function
No working
MAIN UNIT REPAIR CHART 3/3
I
Tuner function
No sound
J
AUX IN
No SOUND
K
TAPE FUNCTION
No WORKING
CheckMIC pcb
RB2 2 cable
loose or bad INT
RE-insert and fi x
the cable
YES
Check test IC701&
Pi
n4=5V
Checkback power
PCB power supply
circuit
YES
NO
IC700pin8=12V
Check test JK200
YES
IC200& MIC PCB
Check TUNER pcb
CN 4 cable
loose or bad INT
RE-insert and fi x
the cable
YES
Check test CN4 Check back power
PCB power supply
circuit
YES
NO
pin9=9V
Check TUNER
PART
YES
Check JK700 IS
GOOD OR BAD
Change JK700
BAD
NO
Check IC7 2 and its
Check TAPE pcb
RB802 & CN800 cable
loose or bad INT
RE-insert a nd fi x
the cable
YES
Check test IC804
Check back power
PCB power supply
circui
t
YES
NO
IC803 pin16=12V
Check IC804 & IC803
YES
OK
Check between
IC702 circuit
JK700 TO
Repair between
IC702 circuit
JK700 TO
OK
around part
Pin15,16=5V
its around part
&