Philips TC8.1L CA, Руководство по обслуживанию

Страница: 9 / 34

Service Modes, Error Codes, and Fault Finding EN 9 TC8.1L CA 5.
5.3.4 Picture OK, No Sound
Figure 5-4 Flow chart “Picture OK, No Sound”.
5.3.5 No Color
Figure 5-5 Flow chart “No Color”.
Picture OK, No sound
Check Vcc
Pin 13 of IC601
OK?
Check +22v
Circuit
Check audio O/P
R & L of IC 601
OK?
Check
R & L speaker
Check audio I/P
R & L of IC 601
OK?
Check
Pin 59 of IC 201
No
Check
Q624,Q625,Q093 is
OK?
Yes
No
Check
Pin31wave of
IC201 OK?
Check Vol
Pin 3 & Mute Pin10 of IC601 OK?
Yes
Yes
Replace
IC 601
Yes
NO
Yes
Change the
damaged
component
No
Check
BTSC
Module(IC1001)
OK?
No
Yes
Change the damage
component
or Replace BTSC Module
No
Check IF circuit
or Replace
IC201
No
H_176 3 0_015.ep s
271107
H_171 3 0_014.ep s
070507
No colour
Colour
system is
Right?
Dose the TV
signal too
weak?
Check
Pin 6 & 7 of
IC 201 OK?
Check
X001, C021
& C022
Reset
To
Local system
Check
Tuner Input
cable & antenna
Check
Pin 47 of IC
201
Yes NO
NO
No
YES
YES