Panasonic TH-42PZ700U - 42" Plasma TV Quick start guide

Models : TH
Models : TH- -42PZ700U 42PZ700U
TH
TH- -42PZ700UA 42PZ700UA
TH
TH- -42PZ77U 42PZ77U
Technical Guide
Technical Guide
Plasma Full High Definition
Plasma Full High Definition
(GPH10DU Chassis)
(GPH10DU Chassis)
(Addendum)
7 Blinks Troubleshooting Handbook
7 Blinks Troubleshooting Handbook
Panasonic Service and Technology Company
National Training

This page is purposely left blank.
2

3
Trouble Mode
SC Floating voltage SOS
Defective Board (possibility)
SC, SU, SD, Panel, D
Precautions:
1. Disconnect AC Power prior to making any disconnection or connection
2. When ordering PC boards, use manufacturer ID number to confirm correct model number. Models
TH-42PZ77U, TH-42PZ700U, and TH-42PZ700UA are similar but their boards part numbers are
different.
3. Upon completion of repair, perform “D Board Firmware Upgrade” according to the instructions in
Service Hints SH-B34-08-01 for model TH-42PZ700U and SH-B34-08-02 for models TH-42PZ77U and
TH-42PZ700UA. http://www.pasctraining.panasonic.com/firmware
4. Make sure all the connectors on the SU, SD, SC, and the P board are not loose and are seated
properly.
5. It’s not necessary to remove the Panel’s Flex-cables from connectors SU1~SU4 on the SU board or
SD1~SD4 on the SD board when both the SU board and the SD board are isolated.
6. Before connecting P2/SC2 or P11/SS11, discharge is necessary to prevent potential shock caused by
VSUS.

4
Yes
Physically disconnect the SU board and the SD
board. (See precaution # 5)
Plug in the TV and turn it on.
Does the TV
shut down and
the power LED
blink 7 times?
YesNo
Replace the Panel
and the SU board.
(See precaution #3)
Reconnect the SD board only.
(See precaution # 5)
Plug in the TV and turn it on.
YesNo
With the SU board and the SD board still
disconnected, remove connectors SC2 and
SC20 from the SC board (See precaution # 6)
Plug in the TV and turn it on.
Disconnect the SD board and
reconnect the SU board. (See
precaution # 5)
Plug in the TV and turn it on.
YesNo
Replace the Panel, SD,
and SU board.
(See precaution #3)
Replace the Panel and
the SD board.
(See precaution #3)
Replace the SC board.
(See precaution #3)
No
Replace the D board.
(See precaution #3)
Does the TV
shut down and
the power LED
blink 7 times? Does the TV
shut down and
the power LED
blink 7 times?
Does the TV
shut down and
the power LED
blink 7 times?