TH-R42PV8SR — Panasonic Plasma Other Service Manuals (repair manual)

Model
TH-R42PV8SR
Pages
127
Size
17.93 MB
Type
PDF
Document
Other Service Manuals
Brand
Device
Plasma / GPH11DE CHASSIS
File
th-r42pv8sr.pdf
Date

View Panasonic TH-R42PV8SR Other Service Manuals online

ORDER NO.PCZ0901007AE
Plasma Television
Model No.
TH-R42PV8SR
GPH11DE Chassis
1 Different points
1.1.
Mechanical Replacement Parts List
1.2.
Please file and use this manual together with the service manual for Model No. 
TH-42PV8PA, ORDER NO. PCZ0808098CE.
Ref. No.
Parts No.
Parts name & Description
Remarks
TH-42PV8PA
TH-R42PV8SR
7
TBLX0061-1
TBLX0075-1
PAVCCZ
8
TBX0E84101
TBX0E84102
POWER BUTTON
PAVCCZ
13
TKKC5320
TKKC5346
LED PANEL
PAVCCZ
14
TKP0E27704
TKP0E27709
SP_PANEL(L)
PAVCCZ
15
TKP0E27802
TKP0E27803
SP_PANEL(R)
PAVCCZ
16
TKP0E27902
TKP0E27903
DOOR
PAVCCZ
32
TPC0E47501B
TPC0E47504B
CARTON TOP
PAVCCZ 
43
TQB0E738*
 - - - - - 
INSTRUCTION BOOK
(EACH LANGUAGE)
PAVCCZ 
43
 - - - - - 
TQB0E0854L
O/I  RUSSIAN
PAVCCZ 
43
 - - - - - 
TQB0E0854Y
O/I  UKRAINIAN
PAVCCZ 
44
TTU0E0368-1
TTU0E0623
REAR COVER
PAVCCZ 
46
TXFKY01RWTE
TXFKY01SWTR
CABINET
PAVCCZ 
Ref. No.
Parts No.
Parts name & Description
Remarks
TH-42PV8PA
TH-R42PV8SR
PCB
A-42PV8PA
A-R42PV8SR
CIRCUIT BOARD A
PAVCCZ 
© 2008 Matsushita Electric Industrial Co., Ltd. All
rights reserved. Unauthorized copying and distribu-
tion is a violation of law.
ORDER NO.PCZ0808098CE
Plasma Television
Model No.
TH-37PV8PA
TH-37PX8BA
TH-37PX8EA
TH-42PV8PA
TH-42PX8BA
TH-42PX8EA
GPH11DE Chassis
2
1 Safety Precautions
1.1.
General Guidelines
1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or
damaged by the short circuit.
2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
3. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.
4. When servicing, observe the original lead dress.  If a short circuit is found, replace all parts which have been overheated or
damaged by the short circuit.
5. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
6. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.
1.2.
Touch-Current Check
1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.
2. Connect a measuring network for touch currents between each exposed metallic part on the set and a good earth ground
such as a water pipe, as shown in Figure 1.
3. Use Leakage Current Tester (Simpson 228 or equivalent) to measure the potential across the measuring network.
4. Check each exposed metallic part, and measure the voltage at each point.
5. Reserve the AC plug in the AC outlet and repeat each of the above measure.
6. The potential at any point (TOUGH CURRENT) expressed as voltage U
1
 and U
2
, does not exceed the following values:
For a. c.: U
1
 = 35 V (peak) and U
2
 = 0.35 V (peak);
For d. c.: U
1
 = 1.0 V,
Note:
The limit value of U
2
 = 0.35 V (peak) for a. c. and U
1
 = 1.0 V for d. c. correspond to the values 0.7 mA (peak) a. c. and 2.0
mA d. c.
The limit value U
1
 = 35 V (peak) for a. c. correspond to the value 70 mA (peak) a. c. for frequencies greater than 100 kHz.
7. In case a measurement is out of the limits specified, there is a possibility of a shock hazard, and the equipment should be
repaired and rechecked before it is returned to the customer.
Figure 1
3
2 Warning
2.1.
Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensi-
tive (ES) Devices
Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Elec-
trostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and
semiconductor  [chip] components. The following techniques should be used to help reduce the incidence of component damage
caused by electrostatic discharge (ESD).
1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on your
body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap,
which should be removed for potential shock reasons prior to applying power to the unit under test.
2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as alumi-
num foil, to prevent electrostatic charge buildup or exposure of the assembly.
3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.
4. Use only an anti-static solder removal device. Some solder removal devices not classified as [anti-static (ESD protected)] can
generate electrical charge sufficient to damage ES devices.
5. Do not use freon-propelled chemicals.   These can generate electrical charges sufficient to damage ES devices.
6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most
replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or compara-
ble conductive material).
7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material
to the chassis or circuit assembly into which the device will be installed.
Caution
Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.
8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise ham less motion such as the brush-
ing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity (ESD) sufficient
to damage an ES device).
Page of 127
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