JVC TH-A25 - Protection and Servo System Issues

(No.MB141)1-15
5.1.2 OUTPUT
YES
YES
YES
NO
NO
NO
NO
Check voltage at Main PCB
; VM, VL
Check Voltage for CW7
; 12V
Check Connector PW1
Check ABD2,4
Check Audio channel at CW5
for input:5.1 channel Audio signal
Check signal for FR/FL/C/W/RL/RR
at MAIN PCB
Check voltage for CW7(SPK Relay)
;High(5V)
Check Q4,Q5
Check circuit for AMP channel
;Out ports of FIC6, IC7, RIC5
Reference to NEXT page
; "A" position
Check circuit for Speak Relay