5.3
Tape : COMMON
JIC01(HA12237F) B+,pin No.16
JIC01(HA12237F) pin 3,4,27,28
Check the Main board
EIC01(TDA7442D) Function IC
Main board
Voltage normal?
Yes
Main board
Input signal normal?
Yes
Main board
JIC01(HA12237F) pin 5,26
output signal normal?
Yes
No
Check the Main board
PIC02,PD210
No
Check the Main board
CW109,CW108
No
Check the Main board
JE01L,JE01R,JR03L,JR03R
(No.MB160)1-39