Troubleshooting Guide; No Power Or No Display; Bluetooth® Pairing Failure; No Key Function - Panasonic SA-AKX200PN Service Manual

7 Troubleshooting Guide

7.1.

No Power or No Display

Press the Power Button
No Display on
of Unit or Remote Control
to Turn ON the Unit
Check DC-DC Converter
OK
IC (IC1003) Measured
6V at C1051
4
[refer to check point ]
NG
Change IC1003
®
7.2. Bluetooth
Press the Power Button
of Unit or Remote Control
to Turn ON the Unit
7.3.

No Key Function

Press the Power Button
or CD Door Open of Unit
to Turn ON the Unit
(No Display)
7.4.

No Remote Control Function

Press the Remote Control
Power Button
Power ON
to Power ON the Unit
(No Display)
(Ensure have Battery & New)
Caution:
1. AC Cord Plug-out
FL Panel
2. Check Fuse(F1) = 0 ohm
[ refer to check point
NG
Change
SMPS Module
Check Regulator IC
OK
(IC1005)
Measured 3.3V at Pin 2
5
[refer to check point ]
NG
Change IC1005
Pairing Failure
Press [PAIRING] on the Set OK
or Remote Control
Display "BLUETOOTH"
If Cannot
Use Remote Control
Power ON
to Turn ON the Set
NG
Check Main PCB
If Cannot Press the Power Button
of the Unit
to Turn ON the Set
NG
Check Regulator IC
(IC1005)
Measured 3.3V at Pin # 2
4
[refer to check point
NG
Change IC1005
OK Check Primary E-Cap (C2)
Measured 300V or more
[refer to check point
1 1
- ]
NG
Change
SMPS Module
Check Regulator IC
OK OK
(IC1004)
Measured 1.6V at Pin 3
6
[refer to check point ]
NG
Change IC1004
"PAIRING" will display and
blinking while handphone or other
devices are Connecting to the Set
NG
option 1
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
option 2
Check Main PCB /
Bluetooth P.C.B (IC700) /
+5V regulator IC (IC7001)
OK OK
FL Display Press the Power Buttons
Show "HELLO" or Other Buttons
Check and Ensure that
Panel Connector is
Properly Insert
If Buttons are not Working
Check Panel PCB
OK OK
Press Remote
FL Display
Control Buttons
Show "HELLO"
Check Panel PCB
]
21
Check Secondary Cap. (C6)
OK
or Secondary Rect. Diode (D2)
Measured 14V or 33/39V
2 2
- ]
[refer to check point
NG
Change
SMPS Module
Check Connector (CN2500)
OK
Measured 5/3.3/12/V
at Pin 1-4
7
[refer to check point ]
NG
Check Main PCB
The set will displayed the
OK OK
"READY" followed
by "BLUETOOTH"
NG
Check Main PCB
OK
All Buttons
are Working
NG
NG
All Remote
OK
Control Buttons
are Working
NG
3 3
- ]
AKX220 33V
AKX440 39V
If No Display on
FL Panel
NG
Check Panel PCB
No Problem
Found
OK
No Problem
Found
OK
No Problem
Found