Philips 21PT2327/79 Service Manual page 10

EN 10 5. TC8.1A CA
5.3.4 Picture OK, No Sound
Check Vcc
Pin 13 of IC601
OK?
Yes
Pin 3 & Mute Pin10 of IC601 OK?
Yes
Check audio O/P
R & L of IC 601
OK?
Check audio I/P
R & L of IC 601
OK?
Yes
Replace
IC 601
5.3.5 No Colour
Colour
system is
Right?
No
Reset
To
Local system
Service Modes, Error Codes, and Fault Finding
Picture OK, No sound
No
Check +22v
Circuit
Check Vol
Yes
Check
R & L speaker
No
Check
No
Pin 28,29 of
IC 201 OK?
Replace
IC201
Figure 5-4 Flow chart "Picture OK, No Sound".
Dose the TV
Yes
signal too
weak?
Check
Tuner Input
cable & antenna
Figure 5-5 Flow chart "No Colour".
Check
NO
Q624,Q625,Q093 is
OK?
Check
Pin 59 of IC 201
Yes
Check
C601,R601,C602,
R602 OK?
No
Change the
damaged
component
No colour
Check
NO
Pin 6 & 7 of
IC 201 OK?
YES
Check
Pin 47 of IC
No Change the
damaged
component
Yes
No
NO
X001, C021
YES
201
H_17130_013.eps
070507
Check
& C022
H_17130_014.eps
070507