DOWNLOAD Panasonic TH-152UX1 / TH-152UX1W / TH-152UX1C Service Manual ↓ Size: 9.8 MB | Pages: 127 in PDF or view online for FREE

17

TH-152UX1 / TH-152UX1W / TH-152UX1C

18

TH-152UX1 / TH-152UX1W / TH-152UX1C

1. Self-check is used to automatically check the bus line

controlled circuit of the Plasma display.

2. There are 2 kinds of Self-check mode

Self-check indication and forced to factory shipment
setting :
Press the down button on the customer controls at the
bottom of the set, at the same time pressing the OFF-
TIMER button on the remote control, and the screen will
show.
Self-check indication only:
Press [5] button on the remote control at ID mode in CAT
mode.(See chapter 6.1.)

If the IIC ports have been checked and found to be incorrect
Or not located then [ - -] will appear in place of [OK]
[01] in the line of the [PTCT] means the number of blinks of the
Power LED is 1. (Reference to 7.1.2)
[H09] in the line of the [PTCT] is the error code.

To exit the CAT mode switch off the main power.

The line of the [PTCT] displays when you get into the Self-
check mode for the first time only after the Power LED
blinks.

19

TH-152UX1 / TH-152UX1W / TH-152UX1C

1. Subject

Information of LED Blinking timing chart.

2. Contents

When an abnormality has occurred to the unit, the protection circuit operates and resets to the stand by mode. 
At this time, the defective block can be identified by the number of blinks of the Power LED on the front panel of the unit .

*

 Refer to 7.1.1 Display Indication for PTCT indication.

Blinking 

times

Contents

Check  point

PTCT indication*

1

No particular
check point

D1-D4 Board
DU Board
A Board

 *1 H09

2

P +15V SOS,
F +15V SOS, 
A +15V SOS

P3/P4/P5/P6 Board
A Board
DS Board
D1-D4 Board
DU Board

*2 H09

3

P +3.3V SOS

D1-D4 Board
DU Board

*3 H09

4

Power SOS

P/P1-P9 Board

04 H09 

5

P +5V SOS

P3 Board
D1-D4 Board

*5 H09

6

Driver SOS1

SCU Board
SCD Board

*6 H09

7

Driver SOS2

SCU/SCD Board
SU1-SU3 Board
SD1-SD3 Board

*7 H09

8

Driver SOS3

SSU/SSD Board
SS2 Board
SS3 Board
SS4 Board

*8 H09

9

Communication error
between Panel-MPU and
PD4 MASTER(D3)
Discharge control SOS

D1-D4 Board
DU Board

*9 H09

10

Terminal Board SOS

Terminal Board
DS Board

0A H09

11

FAN SOS

FAN
PB1-4 Board
A Board

0B H09

12

FPGA config SOS

A Board
DN Board

*C H09

13

A +9V, A +3.3V, A +1.8V

A Board

0D H09

A +5V

1D H09

A +1.2V_M, A +1.2V_S,
SUB +3.3V

2D H09

A-Board Microcomputer
Communication SOS

3D H09

14

LED_10V, 3.3V, 1.2V, 
1.05V

DN Board

0E H09

15

Front End 4K FAN SOS

Front End 4K FAN
Front End 4K Unit

0F H09

Front End 4K config SOS

1F H09

20

TH-152UX1 / TH-152UX1W / TH-152UX1C

Symptom

Possible cause (1st priority)

Possible cause (2nd)

Possible cause (3rd)

Remarks

Black out, Can not operate,
    without Green on Power LED
    No clicking sound of relays.

P/P5 boards

DU baord

Connection DU-P, DU-
P5

Abnormal Main-STV5V

Black out, Can not operate, with Green  
on Power LED

DU/D1/D2/D3/D4 boards

Connection D21( D3 
board) - DSS1

All connection between 
DU/D1/D2/D3/D4 
boards

DU baord

Communication Error 
between D boards

Black out at 1/4 screen

Connection D3-D1, D3-D2, D3-
D4

Related Power board  Related C board 

 ----

Black out at 1/8 screen

Connection between each C 
board

(If the black part is drived by 
CA,CD,CE,CH,CJ,CM,CN or 
CR.)

Related C board 

Related D1, D2, D3 or 
D4 board 

 ----

Black out at width drived by each C 
board

Related C board 

Connection for Related 
C board

Related D board 

 ----

Intermittent clicking of main relay (No 
LED lights)

DU board

P/P5 boards

 ----

 ----

Black out at width drived by Data Driver Connection between Data 

Driver and C board

Related C board 

Connection between 
related C and D board.

 ----

All white scree

Connection of 8 pcs of LVDS 
cable between FRONT END 
and D baord

 ----

 ----

 ----