Troubleshooting Guide; No Power Or No Display; Bluetooth® Pairing Failure; No Key Function - Panasonic SA-MAX9000GN Service Manual

7 Troubleshooting Guide

7.1.

No Power or No Display

Press Power Button
of Unit or Remote Control
to Turn ON the Unit
OK
Check Primary E-Cap (C1224)
Measured 400V or more
[refer to check point 4 ]
NG
Change C1224
Check Standby Regulator IC
OK
(IC8011)
Measured 3.3V at Pin 3
[refer to check point 8 ]
NG
Change IC8011
®
7.2. Bluetooth
Press Power Button
of Unit or Remote Control
to Turn ON the Unit
7.3.

No Key Function

Press Power Button
or CD Door Open of Unit
(No Display)
to Turn ON the Unit
Caution:
No Display on 1. AC Cord Plug-out
FL Panel 2. Check Fuse(F1001) = 0 ohm
3. Check Fuse(F1401) = 0 ohm
4. Check Fuse(F1501) = 0 ohm
[ refer to check point 1 ]
NG
Replace fuse or
AC Cord
Check Secondary Cap. (C1707)
OK
or Secondary Diode (D1704/D1706)
Measured -40
[refer to check point 5 ]
NG
Change C1707,
D1704 or D1706
Check DC-DC Regulator IC
OK OK
(IC8004)
Measured 5.3V at L8001
[refer to check point 9 ]
NG
Change IC8004
Pairing Failure
OK
Press [PAIRING] on the Set
or Remote Control
Display "BLUETOOTH"
option 1
If Cannot
Use Remote Control
Power ON
to Turn ON the Set
NG
Check Main PCB,
Remote sensor on
Panel P.C.B
Check Primary E-Cap (C1403)
OK
Measured 200V or more
[refer to check point 2 ]
NG
Check SMPS PCB
Check Secondary Cap. (C1706)
O K
or Secondary Diode (D1703/D1705)
Measured +40
[refer to check point 6 ]
NG
Change C1706, D1703
or D1705
If No Display on
FL Panel
NG
Check Panel PCB
"PAIRING' will display and O K
blinking while handphone or other
"CONNECTED" followed
devices are Connecting to the Set
NG
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 SOC IC on
Main P.C.B
OK OK
FL Display Press the Power Buttons
Show "HELLO" or Other Buttons
NG
Check FFC between
Main and Panel P.C.B
NG
If Buttons are not Working
Change the Touch
Panel PCB
18
Check Secondary Cap. (C1603)
OK
or Secondary Diode (D1601)
Measured +5
[refer to check point 3 ]
NG
Change D1601 or
C1603
Check Secondary Cap. (C1703)
O K
or Secondary Diode (D1702)
Measured +18
[refer to check point 7 ]
NG
Change SMPS PCB
O K
The set will displayed the
No Problem
Found
by "BLUETOOTH"
NG
Check Main PCB and
Bluetooth P.C.B
OK OK
All Buttons
are Working
No Problem Found