Panasonic TX-37LZ70P / TX-R37LZ70 Service Manual ▷ View online
Chassis Board Layout
Location of Lead Wiring
To find the Part Number of required wire in Replacement Parts List click on the wire name in red box.
Board Name
Function
AP-Board Power
Supply
Regulator
DG-Board
Global Core, HDMI, IDTV Processor, D/A Converter,Peaks Lite 2
G-Board
Side AV Terminal
H-Board
AV Terminal, AV Switch,Sound Processor, Speaker out, TV tuner
GS-Board SD
Card
S-Board Power
switch
V-Board
LED IR, Cats
R-Board Remote
Receiver
PSU Power
Supply
Unit
V-BOARD
PSU
AP-BOARD
H-BOARD
DG-BOARD
G-BOARD
S-BOARD
R-BOARD
GS-BOARD
CN201-AP2
CN1-AP1/DG27
AP8-S1
DG1-V1
G51-H51
H12-SP
DG52-GS8
AP2
AP1
DG27
AP8
DG1
DG52
GS8
S1
H12
H51
V1
G51
TU3200
CN1
CN201
DG25
LVDS
AP6
V2
R2
9
Setting Inspection
Voltage Confirmation
Confirm the following voltages:
AP board
Description
Test point
Position
Normal mode
Stand by mode
Sound_Vcc
TP7302
AP3, pin 2,3
15V +/- 0,8V
Max 5V
DTV_9V
TP7502
AP3, pin 17,18
9,1V +/- 0,45V
Max 3V
Sub_5V
TP7402
AP3, pin 21,22
5,1V +/- 0,25V
Max 2V
Main_9V
AP3, pin 23
9,1V +/- 0,45V
Max 3V
LCD_3.3V
TP7602
AP4, pin 16,17
3,3V +/- 0,16V
Max 2V
STB_5V
TP7103
AP4, pin 3
5,1V +/- 0,25V
5,1V +/- 0,25V
Panel 12V
TP7702
AP4, pin 11,12
12,2V +/- 0,6V
Max 4V
DG board
Sub1,2V
TP5601
1,17V - 1,32V
Sub1,8V
TP5602
1,7V - 1,9V
Sub3,3V
TP5600
3,14V - 3,46V
MHQ1,2V
TP4209
1,1V - 1,3V
10
Self Check
Self-check is used to automatically check the bus lines and hexadecimal code of the TV set. To enter Self-Check mode, keep
pressing the down (-/v) button on the TV set and press the STATUS button on the remote control. To exit Self Check,
switch off the TV set at the power button.
pressing the down (-/v) button on the TV set and press the STATUS button on the remote control. To exit Self Check,
switch off the TV set at the power button.
Display Ref.
No.
Description
P.C.B.
ADV IC4510
A/D
CONVERTER
DG-Board
VSW IC3001
VIDEO
SWITCH
H-Board
ADAV IC2106
AUDIO
PROCESSOR
H-Board
ASW IC3101
AUDIO
SWITCH
H-Board
GENX IC1100
MICROPROCESSOR
DG-Board
MEM1 IC1101
EEPROM
/GenX/
DG-Board
MEM2 IC8601
EEPROM
/Peaks/
DG-Board
TUN1 TU3200
ANALOG
TUNER
H-Board
GC5P IC5100
GC5P
DG-Board
FPGA
IC5105
FIELD PROGRAMMABLE GATE ARRAYS
DG-Board
If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".
SUM 18c3
OPTION 1 2c
OPTION 2 ea
OPTION 3 7f
CHECK 95
MODEL ID 04
03110000
00000010
TX-37LZ70P
SUM 18c5
OPTION 1 2c
OPTION 2 ea
OPTION 3 7f
CHECK 95
MODEL ID 04
03120000
00000010
TX-R37LZ70
37 Panasonic 2007LCD 37lzd70f.dat:000030
Self Check Complete
37 Panasonic 2007LCD 37lzd70f.dat:000030
Self Check Complete
11
ADV
O.K.
VSW O.K.
ADAV O.K.
ASW O.K.
GENX O.K.
MEM1 O.K.
MEM2 O.K.
TUN1 O.K.
GC5P O.K.
FPGA O.K.
ADAV O.K.
ASW O.K.
GENX O.K.
MEM1 O.K.
MEM2 O.K.
TUN1 O.K.
GC5P O.K.
FPGA O.K.
PEAKS-SOFT 2.210
PEAKS-EEP 01.00.0030
GenX-SOFT 1.00.00
GenX-EEP 1.02.00
GenX-ROMCORR 1.01.00
GC5P-EEP 20
FPGA 1.04
PEAKS-EEP 01.00.0030
GenX-SOFT 1.00.00
GenX-EEP 1.02.00
GenX-ROMCORR 1.01.00
GC5P-EEP 20
FPGA 1.04
ADV
O.K.
VSW O.K.
ADAV O.K.
ASW O.K.
GENX O.K.
MEM1 O.K.
MEM2 O.K.
TUN1 O.K.
GC5P O.K.
FPGA O.K.
ADAV O.K.
ASW O.K.
GENX O.K.
MEM1 O.K.
MEM2 O.K.
TUN1 O.K.
GC5P O.K.
FPGA O.K.
PEAKS-SOFT 2.210
PEAKS-EEP 01.00.0031
GenX-SOFT 1.00.00
GenX-EEP 1.02.00
GenX-ROMCORR 1.01.00
GC5P-EEP 20
FPGA 1.04
PEAKS-EEP 01.00.0031
GenX-SOFT 1.00.00
GenX-EEP 1.02.00
GenX-ROMCORR 1.01.00
GC5P-EEP 20
FPGA 1.04
4 sec
Once
Power LED blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the
defective block can be identified by number of blinking of the Power LED on the front panel of the unit.
defective block can be identified by number of blinking of the Power LED on the front panel of the unit.
Blinking
times
Blinking timing
Contents
Check point
1
INVERTER_SOS
DG BOARD
LCD PANEL
2
FAN_SOS
H BOARD
DG BOARD
3
BT_30V,SOUND 15V
PANEL 12V, HQ_ 3.3V
H BOARD
AP BOARD,DG BOARD
4
DTV_9V
AP BOARD
H BOARD, DG BOARD
5
MAIN_9V
AP BOARD
H BOARD, DG BOARD
6
SUB_5V
AP BOARD
H BOARD, DG BOARD
7
MAIN_5V DG
BOARD
8
MAIN_3.3V DG
BOARD
9
SOUND_SOS
H BOARD
DG BOARD
10
HQ1L_SOS DG
BOARD
12
No Light
Light
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