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5.1.5 SMPS
Standby LED
normal?
YES
Set play is
O.K.?
YES
Sound output
O.K.?
YES
Check
display circuit at
amp pcb
5.1.6 Tuner Malfunction (FM/AM)
check the by-pass
EE01L,EE01R
Check the arround
EIC02, ER02R/L
Check
P-SENSE
(smCN02
NO
pin 9)
YES
Check amp pcb
Check
3V,5V,12V
(SMCN02 pin
3,4,5,6 SMCN01
NO
pin 9)
YES
Check AIC01
at amp pcb
Check
SMCN01
NO
pin 1 to 3
YES
Check amp pcb
Amp pcb t
tuner pack
pin No.4
voltage12V
normal?
YES
Amp pcb
condenser
YES
Amp pcb
check the
EIC02
pin #1,2
YES
EE10R/L
Replace SMPS
NO
Check
SMIC42,SMIC43
SMIC44 input
NO
(pin No.1)
YES
Replace
SMIC42,43 or 44
SMNC01
pin 1, pin 4
NO
short?
YES
Check amp pcb
Check the Amp PCB SZ105
Check the SMPS PCB SMIC44
NO
Check the amp pcb ER01R,
ER01L open?
Check the amp pcb EIC1, EIC02
NO
Rreplace tuner pack
Replace of EIC02
NO
Replace SMPS
NO
Replace SMPS
NO
(No.MB508)1-13
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