18
7 Troubleshooting Guide
7.1.
No Power or No Display
7.2.
Bluetooth
®
Pairing Failure
7.3.
No Key Function
7.4.
No Remote Control Function
Press the Power Button
of Unit or Remote Control
to Turn ON the Unit
No Display on
FL Panel
Caution:
1. AC Cord Plug-out
2. Check Fuse(F1) = 0 ohm
[ refer to check point - ]
Change SMPS Module
Check Primary E-Cap (C2)
Measured 300V or more
[refer to check point - ]
1
1
2
2
Change SMPS module
Check Secondary Cap. (C17)
or Secondary Rect. Diode (D11)
Measured 14V or 33V
[refer to check point - ]
3
3
Change SMPS Module
Check DC-DC Regulator
IC (IC1003) Measured
6V at
C1008/C1009
[refer to check point ]
4
Change IC1003
Check Regulator IC
(IC1005)
Measured 3.3V at Pin 2
[refer to check point ]
5
Change IC1005
Check Connector (CN2500)
Measured 5/3.3/12/V
at Pin 1-3
[refer to check point ]
7
Check Main PCB
Check Regulator IC
(IC1004)
Measured 1.6V at Pin 3
[refer to check point ]
6
Change IC1004
If No Display on
FL Panel
Check FL PCB
OK
NG
OK
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NG
NG
Press the Power Button
of Unit or Remote Control
to Turn ON the Unit
Press [ PAIRING] on the Set
or Remote Control
Display " BLUETOOTH"
Check Main PCB
NG
"PAIRING' will display and
blinking while handphone or other
devices are Connecting to the Set
Do the Cold Start
AC Plug-out. Press and Hold
Power Button then
AC Plug-IN, wait to display "-------"
then will OFF the Set, back to start.
NG
Check Main PCB
NG
option 1
option 2
The set will displayed the
"READY" followed
by "BLUETOOTH"
No Problem
Found
OK
OK
OK
Press the Power Button
or CD Door Open of Unit
to Turn ON the Unit
If Cannot
Power ON
(No Display)
Check Main PCB
OK
NG
Use Remote Control
to Turn ON the Set
FL Display
Show "HELLO"
OK
Press the Power Buttons
or Other Buttons
Check and Ensure that
Panel Connector is
Properly Insert
NG
OK
All Buttons
are Working
If Buttons are not Working
Check Panel PCB
NG
OK
No Problem Found
Press the Remote Control
Power Button
to Power ON the Unit
(Ensure have Battery & New)
If Cannot
Power ON
(No Display)
OK
NG
Press the Power Button
of the Unit
to Turn ON the Set
FL Display
Show "HELLO"
OK
Press Remote
Control Buttons
Change FL PCB
NG
OK
All Remote Control
Buttons are Working
Change IC1005
NG
OK
No Problem Found
Check Regulator IC
(IC1005)
Measured 3.3V at Pin # 2
[refer to check point ]
4
Summary of Contents for SA-AKX18PH
Page 22: ...22 8 3 Main Components and P C B Locations ...
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Page 68: ...68 MMH1401 ...