Order Number PCZ1004049CE
Service Manual
High Definition Plasma Display
Model No.
TH-42PH20E
GPH13D Chassis
A
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
TABLE OF CONTENTS
PAGE
1 Safety Precautions------------------------------------------------- 3
1.1. General Guidelines-------------------------------------------- 3
1.2. Touch-Current Check----------------------------------------- 3
2 W arning---------------------------------------------------------------- 4
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatically Sensitive (ES) Devices------------ 4
2.2. About lead free solder (PbF)--------------------------------5
3 Service Navigation------------------------------------------------- 6
3.1. Service H int------------------------------------------------------ 6
3.2. Applicable signals--------------------------------------------- 7
4 S pecifications------------------------------------------------------- 9
5 Operating Instructions------------------------------------------ 10
6 Service M ode-------------------------------------------------------12
6.1. CAT (Computer Aided Test) m ode--------------------- 12
6.2. IIC mode structure (following items value is
sample data)--------------------------------------------------- 15
7 Troubleshooting Guide----------------------------------------- 16
7.1. Self Check-------------------------------------------------------16
7.2. No Power--------------------------------------------------------18
PAGE
7.3. No Picture------------------------------------------------------- 18
7.4. Local screen failure------------------------------------------ 19
8 Disassembly and Assembly Instructions---------------- 20
8.1. Removal of Rear C o ve r---------------------------------- 20
8.2. Removal of Slot B lo ck-------------------------------------20
8.3. Removal of DS-Board--------------------------------------20
8.4. Removal of HX-Board--------------------------------------20
8.5. Removal of A-Board---------------------------------------- 20
8.6. Removal of Fan-----------------------------------------------21
8.7. Removal of P-Board---------------------------------------- 21
8.8. Removal of AC Inlet Assy---------------------------------21
8.9. Removal of H3-Board--------------------------------------22
8.10. Removal of SN-Board--------------------------------------22
8.11. Removal of SS-Board--------------------------------------22
8.12. Removal of S1-Board--------------------------------------23
8.13. Removal of C1-Board--------------------------------------23
8.14. Removal of C2-Board--------------------------------------23
8.15. Removal of Front Glass, V1, V2-Board and
Cabinet A ssy-------------------------------------------------- 24
■
®
Panasonic
© Panasonic Corporation 2010
Unauthorized copying and distribution is a violation
of law.
Summary of Contents for TH42PH20E
Page 33: ...TH 42PH20E 10 Block Diagram 10 1 Main Block Diagram 33 ...
Page 35: ...TH 42PH20E 10 3 Block 2 of 5 Diagram 35 ...
Page 37: ...10 5 Block 4 of 5 Diagram TH 42PH20E PO W ER SUPPLY 37 ...
Page 38: ...TH 42PH20E 10 6 Block 5 of 5 Diagram S N S C A N D R IV E S S S U S T A IN D R IV E 38 ...
Page 40: ...TH 42PH20E 11 2 Wiring 2 40 ...
Page 43: ...TH 42PH20E 12 2 P Board 1 of 4 Schematic Diagram 42 ...
Page 44: ...TH 42PH20E 12 3 P Board 2 of 4 Schematic Diagram 43 ...
Page 45: ...TH 42PH20E 12 4 P Board 3 of 4 Schematic Diagram 44 ...
Page 48: ...12 7 DS Board 1 of 2 Schematic Diagram D 47 ...
Page 49: ...ТН 42РН20Е А D S BO AR D TZTNP031 С ЕЕ 1 2 IC3000 C0DBAYY00727 SOS BLOCK 6 7 8 9 ...
Page 50: ...TH 42PH20E 12 8 DS Board 2 of 2 Schematic Diagram 10 11 12 13 14 15 16 17 18 48 ...
Page 51: ...TH 42PH20E 12 9 A Board 1 of 16 Schematic Diagram A C D B E F 1 2 3 6 8 9 7 49 ...
Page 52: ...TH 42PH20E 12 10 A Board 2 of 16 Schematic Diagram 10 11 12 13 14 15 16 17 18 50 ...
Page 54: ...TH 42PH20E 12 12 A Board 4 of 16 Schematic Diagram 28 29 30 31 32 33 34 35 36 52 ...
Page 55: ...TH 42PH20E 12 13 A Board 5 of 16 and H3 Board Schematic Diagram 37 38 39 40 41 42 43 44 45 53 ...
Page 56: ...TH 42PH20E 12 14 A Board 6 of 16 Schematic Diagram 46 1 47 48 49 1 50 1 51 1 52 53 1 54 54 ...
Page 57: ...TH 42PH20E 12 15 A Board 7 of 16 Schematic Diagram 55 56 57 58 59 60 61 62 63 55 ...
Page 58: ...TH 42PH20E 12 16 A Board 8 of 16 Schematic Diagram S 64 65 66 67 68 69 70 71 72 56 ...
Page 59: ...TH 42PH20E 12 17 A Board 9 of 16 Schematic Diagram 73 74 75 76 77 78 79 80 81 57 ...
Page 60: ...TH 42PH20E 12 18 A Board 10 of 16 Schematic Diagram 58 b 2 ...
Page 62: ... TH 42PH20E 12 20 A Board 12 of 16 Schematic Diagram 100 101 102 103 104 105 106 107 108 60 ...
Page 63: ...e 12 21 А Board 13 of 16 Schematic Diagram SCX1_LVDS 109 110 111 112 113 61 ...
Page 64: ...ТН 42РН20Е 114 115 116 117 ...
Page 66: ...TH 42PH20E 12 23 A Board 15 of 16 Schematic Diagram 63 ...
Page 68: ...12 25 C1 Board Schematic Diagram D A C1 B O A R D T X N C 111 BEK 1 2 3 4 ...
Page 69: ...IC17101 ТН 42РН20Е 6 7 8 9 ...
Page 70: ...TH 42PH20E 12 26 C2 Board Schematic Diagram i 2 3 4 5 6 7 8 9 66 ...
Page 72: ...TH 42PH20E 12 28 SN Board 2 of 9 Schematic Diagram 10 11 12 13 14 15 16 17 18 68 ...
Page 76: ...TH 42PH20E 12 32 SN Board 6 of 9 Schematic Diagram 72 ...
Page 79: ...TH 42PH20E 12 35 SN Board 9 of 9 Schematic Diagram 73 74 75 76 77 78 79 80 81 75 ...
Page 85: ...TH 42PH20E P BOARD COMPONENT SIDE LSEP1288LMHB G 6 5 4 3 2 1 E F H 80 ...
Page 86: ... 2 HX Board HX BOARD FOIL SIDE TZTNP021AEE A в С D ...
Page 90: ...TH 42PH20E 13 4 DS Board 6 5 4 A I В I С I D I E I F I G I H I I I 83 ...
Page 91: ...TH 42PH20E 6 5 4 DS BOARD COMPONENT SIDE TZTNP031CEE 84 ...
Page 92: ...TH 42PH20E 13 5 6 5 4 3 2 1 A Board A BOARD FOIL SIDE TZTNP011AEE Ш 85 ...
Page 93: ...TH 42PH20E 86 ...
Page 96: ...13 8 SN Board 6 5 ...
Page 97: ...ТН 42РН20Е ...
Page 98: ...TH 42PH20E А I В I C I D I E I F I G I H I I I 90 ...
Page 100: ...ТН 42РН20Е 1 I F I G I H 91 ...
Page 101: ...TH 42PH20E 6 5 4 SS BOARD COMPONENT SIDE TXNSS11BEK A I B I C I D I E I F I G I H I I 92 ...
Page 136: ...Model No TH 42PH20E Exploded View ...
Page 137: ...Model No TH 42PH20E Cabinet part location ...
Page 138: ...Model No TH 42PH20E Fan part location 21 ...
Page 139: ...Model No TH 42PH20E Flat cable ...
Page 140: ...Model No TH 42PH20E Packing and Accessories 1 ...
Page 141: ...Model No TH 42PH20E Packing 2 ...