Panasonic TX-42AS750E / TX-42ASW754 / TX-42ASR750 (serv.man2) Service Manual ▷ View online
Self Check
How to access
Self-check indication only:
While pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control.
Self-check indication and forced to factory shipment setting:
While pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote control for more than 3 seconds.
While pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control.
Self-check indication and forced to factory shipment setting:
While pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote control for more than 3 seconds.
How to exit
Switch off the power with the [POWER] button on the main unit.
TX-42AS750E
42FHD
Self Check Complete
H14TUN
O.K.
H15TUN2
O.K.
H90STBY O.K.
H92MEM1 O.K.
H91MEM2 O.K.
H17LAN O.K.
H00FE O.K.
H00SAT-TU O.K.
H96ID O.K.
H97ID2 O.K.
H45BT O.K.
H42WIFI O.K.
H92MEM1 O.K.
H91MEM2 O.K.
H17LAN O.K.
H00FE O.K.
H00SAT-TU O.K.
H96ID O.K.
H97ID2 O.K.
H45BT O.K.
H42WIFI O.K.
PEAKS-SOFT 3.007
PEAKS-EEP 03.05.4241
LSI-PACKAGE 0.00d
LSI-RELEASE 1.03
PEAKS-EEP 03.05.4241
LSI-PACKAGE 0.00d
LSI-RELEASE 1.03
STBY-SOFT 1.00.02
STBY-EEP 1.00.0010
STBY-EEP 1.00.0010
MODEL ID 0B
03000141
00000400
TX-42ASW754
42FHD
Self Check Complete
H14TUN
O.K.
H15TUN2
O.K.
H90STBY O.K.
H92MEM1 O.K.
H91MEM2 O.K.
H17LAN O.K.
H00FE O.K.
H00SAT-TU O.K.
H96ID O.K.
H97ID2 O.K.
H45BT O.K.
H42WIFI O.K.
H92MEM1 O.K.
H91MEM2 O.K.
H17LAN O.K.
H00FE O.K.
H00SAT-TU O.K.
H96ID O.K.
H97ID2 O.K.
H45BT O.K.
H42WIFI O.K.
PEAKS-SOFT 3.007
PEAKS-EEP 03.05.4244
LSI-PACKAGE 0.00d
LSI-RELEASE 1.03
PEAKS-EEP 03.05.4244
LSI-PACKAGE 0.00d
LSI-RELEASE 1.03
STBY-SOFT 1.00.02
STBY-EEP 1.00.0010
STBY-EEP 1.00.0010
MODEL ID 0B
03000144
00000400
21
Display Ref.
No.
Description
P.C.B.
H14TUN
TU6707
TUNER A+(T2+C)
A-Board
H15TUN2
TU6707
TUNER A+(T2+C)
A-Board
H90STBY IC8000
IC
Peaks-LD6
A-Board
H92MEM1 IC8901
EEPROM
STM
A-Board
H91MEM2 IC8903
eMMc
Memory
A-Board
H17LAN IC8903
MAC
A-Board
H00FE IC6800 DVB-T2/T/C/S
Demodulator A-Board
H00SAT-TU
TU6707
TUNER S/S2 x2
A-Board
H96ID IC8903
CI+,DTCP-IP,
C2MOD
A-Board
H97ID2
IC8903
Dimora, HDCP2, Netflix, Widevine
A-Board
H45BT
IC8000
IC8601
IC8601
N5HZZ0000130
IC Peaks-LD6
USB HUB
BTDongle
BTDongle
A-Board
BT Dongle
H42WIFI
IC8000
N5HBZ0000109
IC Peaks-LD6
Wifi Dongle
A-Board
Wifi Dongle
If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.".
TX-42ASR750
42FHD
Self Check Complete
H14TUN
O.K.
H15TUN2
O.K.
H90STBY O.K.
H92MEM1 O.K.
H91MEM2 O.K.
H17LAN O.K.
H00FE O.K.
H00SAT-TU O.K.
H96ID O.K.
H97ID2 O.K.
H45BT O.K.
H42WIFI O.K.
H92MEM1 O.K.
H91MEM2 O.K.
H17LAN O.K.
H00FE O.K.
H00SAT-TU O.K.
H96ID O.K.
H97ID2 O.K.
H45BT O.K.
H42WIFI O.K.
PEAKS-SOFT 3.007
PEAKS-EEP 03.05.4245
LSI-PACKAGE 0.00d
LSI-RELEASE 1.03
PEAKS-EEP 03.05.4245
LSI-PACKAGE 0.00d
LSI-RELEASE 1.03
STBY-SOFT 1.00.02
STBY-EEP 1.00.0010
STBY-EEP 1.00.0010
MODEL ID 0B
03000145
00000400
22
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
BL_SOS
A BOARD
P BOARD
P BOARD
PANEL
3
IROM SOS
A BOARD
7
SUB3.3V
A BOARD
8
SOS
A BOARD
PANEL
9
SOUND_SOS
A BOARD
12
BE_SOS
A BOARD
13
EMERGENCY
A BOARD
LCD Panel Test Mode
Purpose:
To find the possible failure point where in LCD Panel or Printed Circuit Board when the abnormal picture is displayed.
How to Enter:
While pressing [VOLUME ( - )] button of the main unit, press [YELLOW] button of the remote control three times.
How to Exit:
Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.
How to confirm:
If the abnormal picture is displayed, go into LCD Panel test mode to display the several test patterns.
And then, judge by the following method.
Still abnormal picture is displayed: The cause must be in LCD Panel.
Normal picture is displayed: The cause must be in A board.
And then, judge by the following method.
Still abnormal picture is displayed: The cause must be in LCD Panel.
Normal picture is displayed: The cause must be in A board.
Remarks:
The test pattern is created by the circuit in LCD Panel.
In LCD Panel test mode, this test pattern is displayed unaffected by signal processing for RF or input signal.
If the normal picture is displayed, LCD Panel must be okay and the cause of failure must be in A board.
In LCD Panel test mode, this test pattern is displayed unaffected by signal processing for RF or input signal.
If the normal picture is displayed, LCD Panel must be okay and the cause of failure must be in A board.
No Light
Light
23
CI SLOT
JK8400
HDMI1
JK4703
SER
VICE
CN0100
A-BOARD
AV SCART
JK301
1
HDMI2
HDMI3
JK4702
TU6707
A12
SP
A10
A02A
LCD PANEL
A15
HP
JK31
11A
ETHERNET
JK8602
JK3001B
SD SLOT
JK8600
TUNER
Wiring Diagram
A16
CN1
JK4701
USB2
JK8601
USB1
USB3
JK8606
JK8603B
WIFI
JK8605
D3101
DIGIT
AL
AUDIO OUT
K-BOARD
K10
P-BOARD
P2
P5
P3
JK7101
GK-BOARD
GK4
YUV
, V IN
AUDIO IN
RCA
BT
CN2
24
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