Panasonic LCD-2016 Quick start guide

Model No. LCD-2016
2016 - LCD TV
Circuit Operation and Troubleshoot
cPanasonic Corporation 2016
Unauthorized copying and distribution is
a violation of law. 1

INDEX
1.Board Layout
2.Video Signal Processing
3.Power Supply
3-1. Power Board Structure
3-2. Stand by / Start up Operation
4.SOS Protection Circuit and Troubleshooting (except 1 time blink)
5.Difference of LED Drive Circuit (Troubleshooting for 1 time blink)
2

1. Board Layout
3

Board Layout -1 ( DX*** series )
T*-**DX900
GP PB A
K
K
T*-65DX***, TH/TC-55DX***
GP PB A
K
K
T*-40DX*** T*-49/50/58DX***, TX-55DX***
LDP
GPAGPA
K K
K K
GK board : depend on the model BT : depend on the model and region 4

Board Layout -2 ( D/DS*** series )
T*-49/43DS*** T*-65/55DS***
T*-49/43D***
LD LDP
GPAGPA
KK
K K
T*-50/40/32DS***
T*-40/32D***
P
GA
K
TH-32D400
A
(P + A + GK)
K K
WiFi : only DS*** series BT : only TC-**DS6**, TX-**DS630 series GK board : depend on the model 5

Main Board Structure
D4** DS6** DX6**/7**/8** DX900
(4K) (4K)
32inch A+P / A+P --- ---
40inch A+P A+P A+P+LDP ---
43inch A+P+LD A+P+LD --- ---
49inch A+P+LD A+P+LD A+P ---
50inch --- A+P A+P ---
55inch --- A+P+LDP A+P , ---
A+P+PB: (only
TH-55DX640*,
TC-55DX700*)
58inch --- --- A+P A+P+PB
65inch --- A+P+LDP A+P+PB A+P+PB
Except K, GK boards 6

Board Layout -1
A+P
P3
P
A15
A10
AC input
Speaker
( 32D400 )
A02
A
A12
Speaker
K10
K
Board Name Function
A-Board Main Board
P-Board Power supply, Backlight Drive, Power key, Control key
K-Board Remote Receiver, LED
7

Board Layout -2
A+P+LD/LDP
P5
P4
P
GK
P2
WiFi Module
AC input
Speaker
LD2
LD1
LD A15 A10
A19
A12
(T-CON)
Not repairable,
One of the panel module
( 49DS630 )
A02
A
Speaker
K10 K
Board Name Function Board Name Function
A-Board Main Board GK-Board Key
P-Board Power supply for Signal Process K-Board Remote Receiver, Power LED
LD-Board Power supply for Backlight Drive
8

Board Layout -3
GK
A+P+P
PB1
PB6 P6
PB5
( 65DX900 )
A08
A02
P2 A15
A16
PB2
WiFi Module
PB
PB3 P3
Speaker
P
AC input
(T-CON)
Not repairable,
One of the panel module K10
A17
A12
A10
Speaker
K
A
Bluetooth Module
Board Name Function Board Name Function
A-Board Main Board GK-Board Key
P-Board Power supply for Signal Process K-Board Remote Receiver, Power LED
PB-Board Power supply for Backlight Drive
9

2. Video Signal Processing
10