Panasonic SA-AKX660PN, Service Manual

Page: 18 / 85

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 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 - ]
Check AC Cord
& Fuse
Check Primary E-Cap (C2)
Measured 300V or more
[refer to check point - ]
1 1 2
2
Check Capacitor, C2
Check Secondary Cap. (C6)
or Back up 5V voltage
[refer to check point - ] 3 3
Check Capacitor, C6
Check Secondary Cap. (C7)
DAMP VCC: 38
[refer to check point ] 4 -
Check Regulator IC
(IC2108)
Measured 3.3V at Pin 2
[refer to check point ]
5
Check IC2108
Check Connector (CN2506)
Measured 5/3.3/12/V
at Pin 5-8
[refer to check point ] 7
Check FFC connection
& voltage
Check Regulator IC
(IC2101)
Measured 5.6V at C2155
[refer to check point ]
6
Check IC2101
If No Display on
FL Panel
Check Panel
P.C.B
K O K O
OK OK OK OK OK
NG
NG
NG
NG
NG
G N G G N N
Check capacitor, C7
4
Press Power Button
of Unit or Remote Control
to Turn ON the Unit
Press [PAIRING] on the Set
or Remote Control
Display "BLUETOOTH"
Change Main PCB or
BT P.C.B
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 P.C.B &
BT P.C.B
NG
option 1
option 2
The set will displayed the
"READY" followed
by "BLUETOOTH"
No Problem
Found
K K O O K O
Press 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
Check Panel P.C.B
NG
OK
All Remote Control
Buttons are Working
Check IC2108
NG
OK
No Problem Found
Check Regulator IC
(IC2108)
Measured 3.3V at Pin # 2
[refer to check point ] 5