JVC TV-13142 Service Manual page 31

(TV SECTION)
POWER DOES NOT TURN ON (1)
When turning on the
power switch, does the
LED light ?
Yes
Is the voltage at
collector of Q603 DC
8V ?
Yes
Is the voltage at pin 41
of IC601 DC5.5V ?
Yes
Does Q605 work ?
Yes
Check D510 and the
peripheral circuit.
TROUBLESHOOTING GUIDE
No
No
No
Check IC601 VCC pin 55.
Yes
Check pins 27,28 of IC1001
and peripheral circuit.
No
Check Q605.
Check AT+5V line.
Check I D519.
No
Check D507
TV-13142
TV-13142W
31