26
7.5.
No Sound in Tuner Mode
Switch to Tuner (FM Mode)
Press Power Button of Unit
or Remote Control to Turn
ON the Unit
Change
antenna wire
accessory
Check if antenna is
connected properly
to Tuner jack.
NG
Switch to AUX
mode. Check if
have sound
Ok
NG
NG
OK
NG
1
2
Yes
No
connection
Yes
No
Sound
Check pin 11 of
IC52
3.3V -> OK
Check pin 1 of
CN51 on Tuner
PCB.
3.3V
Æ
OK
NG
Check I2S
lines status.
R51/52/60
Check Tun-Int
pin 3 on
CN51. OK =
<0.3V
6
Change
L51 on
Tuner PCB
Change
IC52 on
Tuner PCB
Change
L54 on
Tuner PCB
Change
IC52 on
tuner PCB
Change
IC52 on
Tuner PCB
Check Tun_Rst
pin 9 on CN51.
OK=<0.3V
Change
IC52 on
Tuner PCB
7
OK
OK
Check above
pins form SOC
IC output
Change
SOC IC
PCB
NG
3
4
End
Check status of
I2C lines
SCL/SDA.
R55/56 at tuner
pcb
OK
N
OK
Change
IC52 on
tuner PCB
5
jomi
Содержание SA-AKX710PU
Страница 11: ...11 5 Location of Controls and Components 5 1 Remote Control Key Button Operation j o m i ...
Страница 19: ...19 7 1 1 Check Point SMPS P C B 7 1 2 Check Point Main P C B 4 5 1 1 2 3 1 7 6 j o m i ...
Страница 21: ...21 7 2 1 Check Point Main P C B 6 1 2 j o m i ...
Страница 23: ...23 7 3 1 Check Point Main P C B 1 2 4 3 j o m i ...
Страница 25: ...25 7 4 1 Check Point MIC P C B 7 4 2 Check Point Main P C B IC140 IC140 CN140 JK140 JK140 6 2 C140 j o m i ...
Страница 27: ...27 7 5 1 Check Point Tuner P C B 7 5 2 Check Point Main P C B Antenna CN5 IC5 1 2 3 4 5 6 7 SO j o m i ...
Страница 29: ...29 7 6 1 Check Point Tuner P C B 7 6 2 Check Point Main P C B Antenna CN5 IC5 1 2 3 4 5 6 7 SO j o m i ...
Страница 31: ...31 7 7 1 Check Point Main P C B 1 3 4 5 6 7 j o m i ...
Страница 33: ...33 7 8 1 Check Point Main P C B 1 3 4 5 6 7 j o m i ...
Страница 54: ...54 j o m i ...
Страница 107: ...107 MMH1804 j o m i ...