Philips HTL3110B/F7, Руководство по обслуживанию

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Trouble Shooting(main unit)
MAIN UNIT REPAIR CHART 1/2
A
Standby LED
red light is not bright
Check touch to main board
4pin cable is loose
or bad INT
check red LED D1 part
fine or bad
Re-insert and fix
the cable
replace the bad part
YES
NO
bad
B
Power Supply
No working
D
All Function
No Sound
Check POWER IC
Voltage +21V
See Contents B
Check IC501 IC502 PIN19
And Its conn parts
Yes
No
Check AMP IC PDN
PIN19 Voltage 3.3V
OK
No
A
Standby LED
red light is not bright
B
Power Supply
No Working
D
All Function
No Sound
C
Didn't power ON
E
AUX IN
No Output
F
Wireless
No Output
G
optical&COAXIAL IN
No Sound
H
Audio line IN
No Sound
I
USB
No Sound
J
Bluetooth No Output
OK
Check IC905 L902 FB905
And Its conn parts
Check AMP pcb
Voltage VD33
OK
No
Check IC501 IC502
And Its Conjoint Part
K
HDMI ARC
Check I2S output
OK
NO
check DC in 21V
ok
Check DCIN JACK
NO
CJP901 OK or bad
replace the bad part
bad
Replace the Adaptor
NO
C
Didn't power ON
check B
Check A
OK
As per A Repair
NG
Check power IC
OK
As per B Repair
NG
voltage BK5V
Check IC904 FB902 L903
And Its conn parts
No
Check power IC
OK
voltage BK33
Check IC908 FB903 L903
And Its conn parts
No
Check power IC
OK
voltage BK1.2V
Check IC906
And Its conn parts
No
Check power ON/OFF
OK
control
Check IC201 pin10
And Its conn parts
No
Check IC201I2S pin
And Its conn parts
E
AUX IN
No Output
Check JK304 RB301
Check IC303 Pin16
CN303 INT or No
approx +4.6V Check Q303 R360
Check L301 C332
Change this jack
Check IC302 IC201
And Its Conjoint parts
OK
No
OK
Check IC302 Pin10 +5V
Yes
INT
No
Yes or No
No Output