Repair Instructions - Philips HTS4562/12 Service Manual

REPAIR INSTRUCTIONS

All Functions
are not working
All Functions
are not working
Check all cables of
system are loose or
bad insert
Check F901 of power PCB
Standby led of panel
whether is light whether is bad
Check 2pin of CN903 and
3pin of CN904 Voltage if
are BK5V
Check all Voltages
are 3.3V and 1.8V
MP3 In has
no Sound
Change this jack
2 - 3
Power Supply All Functions Touch key has Aux In has
is not working have no Sound no function no Sound
Power Supply
+33V Voltage has no output
is not working
All Voltages have -27V Voltage has no output
no output
+12V Voltage has no output
+5V Voltage has no output
BK5V Voltage has no output
Tuner has
MIC In has
no Sound
no Sound
Change this jack
MP3 In has MIC In has Tuner has Coaxial In has
no Sound no Sound no Sound no Sound
All Functions
have no Sound
Check power IC Voltage
if is +33V
Check main pcb
Voltage if is +5V
Check AMP pcb Audio
Voltage if is 3.3V
Check AMP pcb
Voltage if is P+12V
Check 39pin of IC5006
IC5006
if is high3.0V or low 0V
Optical has
Coaxial In has
no Sound
no Sound
Check JK303/3Pin
approx+3.3V
2 - 3
Optical has Ipod has
no Sound no Sound
Touch key has Aux In has
no Sound
no function
Check pin17 of U1
Voltage if is +5V
Ipod has
no Sound