Panasonic TX-42AR400 Service Manual ▷ View online
TX-42AR400
17
7.5.
Pedestal Assembly
Fix pedestal follow below, need screw first before stick rubber foot.
NO
QTY
UOM
DESCRIPTION
REMARK
01
1
PC
NECK BASE L
02
1
PC
NECK BASE R
03
1
PC
METAL FRAME
04
1
PC
BASE COVER
05
6
PC
RUBBER FOOT
06
1
PC
RUBBER FOOT
07
1
PC
BAG (PEDESTAL)
08
4
PC
M4
12 FLAT HEADSCREW
18 ± 2 Kgf.cm
09
4
PC
M4
10_FLAT_HEAD_SCREW(BLACK)
08 ± 2 Kgf.cm
TX-42AR400
18
7.6.
Back Cover - Label & Screw
1. Fix back cover ans screw.
2. Stick side button label and serial number label.
2. Stick side button label and serial number label.
NO
PART NO
QTY
UOM
DESCRIPTION
REMARK
01
TBM4GU3151
1
PC
SIDE_BUTTON_LABEL
02
THEC1509
7
PC
SCREW (BC3/VESA4)
06 ± 1 Kgf.cm
03
THTD037J
17
PC
SCREW (BC9/AV3/CRTL1/SP4)
06 ± 1 Kgf.cm
TX-42AR400
19
8 Measurements and Adjustments
8.1.
Voltage chart of A-board
Set A-Board to a dummy set and check the satisfaction with the specified voltage as following table.
8.2.
Voltage chart of P-board
Set P-Board to a dummy load and check the satisfaction with the specified voltage as following table.
Power Supply Name
Measurement Point
Specification (V)
Remark
SUB1.2V
TP8004
1.14 - 1.26
-
SUB3.3V
TP8003
3.19 - 3.46
-
SUB5V
TP8002
4.92 - 5.25
-
STB5V
TP8009
5.3 ± 0.3
-
PNL12V
TP4300
11.5 - 12.5
-
Output
Test Point
Specification
Step 1
Step 2
24V
TP7407
<1V 32
±
1.6V
16V
TP7410
<1V
15.7 ± 0.8V
5VS
TP7501
5.2 ± 0.2V
5.2 ± 0.2V
PFC
TP7201 or TP7202
<340V
390V ± 15V
Step 1 Supply AC 100V/230 to JK7101 connector in the P-Board. Main power button is OFF.
Step 2 TV_SUB_ON P2 connector - pin 8 (TP7416) DC2.5V ON.
Supply DC 2.5V to TV_SUB_ON P2 connector - pin 8 (TP7416), displayed as SWITCH.
NOTE : GND REFERENCE TP7413/TP7414/TP7415/TP7515/TP7516/TP7517 (COLD SIDE)
TX-42AR400
20
9 Block Diagram
9.1.
Main Block Diagram
Debug
UART
RST
STB5V
24M
1.8/3.3V
RST
PANEL
SP
SP
15V
I2S
HDMI 1
TUNER
HDMI 2 (w/ ARC)
MT5561
DDR2 1G
VIDEO/COMPONENT (automatic detection
)
AUDIO
Silicon Lab
Low IF
SUB3.3V
SPI
64/128Mb
Sub3.3V
EEP_WP
EEPROM
64kbit
SLV[A4]
On-board
USB Slot
High-side
switch
USB (side) JK8601
Audio AMP
I2S AMP
RMT/KEY
LED
32” 10W x 2
39”
39”
㨪 10W x 2
*&
(*&
LVDS
HD : (DATA 4pairs / CLK 1pair)
single8bit
FHD: (DATA 4pairs / CLK 1pair)
dual8bit
Op Amp
IIC
HK/S/A/US/MEX
On board (Si2157 )
YAMAHA
(same as MT5307project)
(same as MT5307project)
VIDEO
AUDIO
AV2(side)
JK3002(Prep)
JK3002(Prep)
Audio out JK3000(Prep.)
AV1 JK3100
(HDMI analog audio in)
HDMI1 JK4701
HDMI2 JK4702
CEC
32” 10W x 2
39”
39”
㨪 10W x 2
Opt. D3051
Demod.
T2/ISDB/DTMB
TS
FOR US/MEX
Use MT5560
Chile/Peru
CAN Tuner
AV2 – HK/CHINA only
Audio Out –
HK/CHINA only
HK/CHINA only
Click on the first or last page to see other TX-42AR400 service manuals if exist.