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ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2007
PDP-428XG
ARP3467
PLASMA TELEVISION
PDP-428XG
PDP-428XDA
PDP-428XC
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
This service manual should be used together with the following manual(s):
For SPECIFICATIONS and PANEL FACILITIES, refer to the operating instructions.
Model
Type
Power Requirement
Remarks
PDP-428XG
DLFT
AC 110 V to 240 V
PDP-428XDA
YP
AC 240 V
PDP-428XC
WA5
AC 220 V to 240 V
Model
Order No.
Remarks
PDP-4280XA/WYV5
ARP3441
EXPLODED VIEWS, BLOCK DIAGRAM, ADJUSTMENT, etc
T-ZZK-001 AUG. 2007 printed in Japan

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PDP-428XG
2
12
34
1
234
C
D
F
A
B
E
CONTENTS
1. CONTRAST OF MISCELLANEOUS PARTS .................................................................................................... 4
2. BASIC ITEMS FOR SERVICE .......................................................................................................................... 8
2.1 QUICK REFERENCE................................................................................................................................. 8
3. BLOCK DIAGRAM .......................................................................................................................................... 10
3.1 OVERALL WIRING DIAGRAM (1/2) ........................................................................................................ 10
3.2 OVERALL WIRING DIAGRAM (2/2) ........................................................................................................ 12
3.3 OVERALL BLOCK DIAGRAM .................................................................................................................. 14
3.4 POWER SUPPLY BLOCK of MULTI BASE SECTION ............................................................................. 16
3.5 TANSHI ASSY .......................................................................................................................................... 18
3.6 POWER SUPPLY BLOCK of 42IR (42RLS&IR) and SIDE KEY ASSYS ................................................. 19
4. DIAGNOSIS .................................................................................................................................................... 20
4.1 POWER SUPPLY OPERATION ............................................................................................................... 20
4.1.1 LED DISPLAY INFORMATION ........................................................................................................... 20
4.1.2 POWER ON SEQUENCE ................................................................................................................... 21
4.1.3 DETAILS OF POWER ON SEQUENCE ............................................................................................. 22
4.2 DIAGNOSIS FLOWCHART OF FAILURE ANALYSIS .............................................................................. 26
4.2.1 VIDEO SYSTEM ................................................................................................................................. 26
4.2.2 AUDIO SYSTEM ................................................................................................................................. 27
4.3 DIAGNOSIS OF SD (SHUTDOWN) ......................................................................................................... 30
4.3.1 SD (SHUTDOWN) DIAGNOSIS.......................................................................................................... 30
4.4 NON-FAILURE INFORMATION ............................................................................................................... 31
4.4.1 INFORMATION ON SYMPTOMS THAT DO NOT CONSTITUTE FAILURE....................................... 31
4.5 OUTLINE OF THE OPERATION.............................................................................................................. 35
4.5.1 SPECIFICATION OF THE FAN CONTROL ........................................................................................ 35
5. SERVICE FACTORY MODE ........................................................................................................................... 36
5.1 OUTLINE OF THE SERVICE FACTORY MODE...................................................................................... 36
5.1.1 REMOTE CONTROL CODE IN SERVICE FACTORY MODE ............................................................ 36
5.1.2 INDICATIONS IN SERVICE FACTORY MODE ................................................................................... 37
5.2 DETAILS OF FACTORY MENU................................................................................................................ 38
5.2.1 INFORMATION ................................................................................................................................... 38
5.2.2 OPTION .............................................................................................................................................. 41
6. EACH SETTING AND ADJUSTMENT............................................................................................................ 42
6.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPAIRED OR REPLACED...................................... 42
7. RS-232C ......................................................................................................................................................... 43
7.1 LIST OF RS-232C COMMANDS.............................................................................................................. 43
7.2 DETAILS OF EACH COMMANDS ........................................................................................................... 44
7.2.1 QSE (DESTINATION PECULIAR INFORMATION)............................................................................. 44
7.2.2 QNG (SHUTDOWN INFORMATION OF MTB) ................................................................................... 45
8. GENERAL INFORMATION ............................................................................................................................. 47
8.1 DISPLAY METHOD OF SIGNAL LEVEL,QUALTY,AND BER INFORMATION SCREEN ........................ 47
9. SCHEMATIC DIAGRAM ................................................................................................................................. 48
9.1 MAIN ASSY (1/20) [BOARD IF0 BLOCK] ................................................................................................ 48
9.2 MAIN ASSY (2/20) [BOARD IF1 BLOCK] ................................................................................................ 50
9.3 MAIN ASSY (3/20) [POWER 0 BLOCK]................................................................................................... 52
9.4 MAIN ASSY (4/20) [POWER 1 BLOCK]................................................................................................... 54
9.5 MAIN ASSY (5/20) [POWER 2 BLOCK]................................................................................................... 56
9.6 MAIN ASSY (6/20) [AV SW BLOCK]........................................................................................................ 58
9.7 MAIN ASSY (7/20) [RGB SW BLOCK]..................................................................................................... 60
9.8 MAIN ASSY (8/20) [VDEC BLOCK] ......................................................................................................... 62
9.9 MAIN ASSY (9/20) [ADC BLOCK]............................................................................................................ 64
9.10 MAIN ASSY (10/20) [HDMI SW BLOCK] ............................................................................................... 66
9.11 MAIN ASSY (11/20) [HDMI BLOCK] ...................................................................................................... 68
9.12 MAIN ASSY (12/20) [TUNER BLOCK]................................................................................................... 70
9.13 MAIN ASSY (13/20) [VBI SLICER BLOCK] ........................................................................................... 72
9.14 MAIN ASSY (14/20) [USB BLOCK]........................................................................................................ 74
9.15 MAIN ASSY (15/20) [ARIA 0 BLOCK].................................................................................................... 76
9.16 MAIN ASSY (16/20) [ARIA 1 BLOCK].................................................................................................... 78
9.17 MAIN ASSY (17/20) [ARIA MEMORY BLOCK]......................................................................................80
9.18 MAIN ASSY (18/20) [IF UCOM BLOCK] ................................................................................................ 82
9.19 MAIN ASSY (19/20) [EMMA2 BLOCK] .................................................................................................. 84
9.20 MAIN ASSY (20/20) [EMMA2 MEMORY BLOCK] ................................................................................. 86
9.21 TANSHI ASSY (1/4) [BOARD IF BLOCK] .............................................................................................. 88
9.22 TANSHI ASSY (2/4) [IO_1 BLOCK]........................................................................................................ 90
9.23 TANSHI ASSY (3/4) [IO_2 BLOCK]........................................................................................................ 92
9.24 TANSHI ASSY (4/4) [MSP BLOCK]........................................................................................................ 94

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PDP-428XG
3
56
7
8
56
7
8
C
D
F
A
B
E
9.25 SIDE IO ASSY ........................................................................................................................................96
9.26 DTV TUNER BOARD (1/16) [DDR TERM/CONN BLOCK] ....................................................................98
9.27 DTV TUNER BOARD (2/16) [DDR-SDRAM BLOCK] ...........................................................................100
9.28 DTV TUNER BOARD (3/16) [DVO, PIN STRAPOPTION BLOCK].......................................................102
9.29 DTV TUNER BOARD (4/16) [AUDIO BUFFER BLOCK] ......................................................................104
9.30 DTV TUNER BOARD (5/16) [VIDEO DAC OUTPUT BLOCK] .............................................................106
9.31 DTV TUNER BOARD (6/16) [DVO BLOCK] .........................................................................................108
9.32 DTV TUNER BOARD (7/16) [PCI BLOCK] ...........................................................................................110
9.33 DTV TUNER BOARD (8/16) [EBI, RESET BLOCK] .............................................................................112
9.34 DTV TUNER BOARD (9/16) [I2C, UART, CLK BLOCK] .......................................................................114
9.35 DTV TUNER BOARD (10/16) [EJTAG, TS, EEPROM BLOCK]............................................................116
9.36 DTV TUNER BOARD (11/16) [USB;ETHERNET;SATA BLOCK]..........................................................118
9.37 DTV TUNER BOARD (12/16) [POWER BLOCK] .................................................................................120
9.38 DTV TUNER BOARD (13/16) [ANALOG DECOUPLING BLOCK] .......................................................122
9.39 DTV TUNER BOARD (14/16) [VIDEO BUFFERS, DIGITAL DECOUPLING BLOCK]..........................124
9.40 DTV TUNER BOARD (15/16) [FRONT END BLOCK] ..........................................................................126
9.41 DTV TUNER BOARD (16/16) [INTER-CONNECTION BLOCK]...........................................................128
9.42 VOLTAGES ...........................................................................................................................................130
10. PCB CONNECTION DIAGRAM ..................................................................................................................134
10.1 MAIN ASSY ..........................................................................................................................................134
10.2 TANSHI ASSY ......................................................................................................................................138
10.3 SIDE IO ASSY ......................................................................................................................................142
10.4 DTV TUNER BOARD ...........................................................................................................................144
11. PCB PARTS LIST........................................................................................................................................146

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PDP-428XG
4
12
34
1
234
C
D
F
A
B
E
1. CONTRAST OF MISCELLANEOUS PARTS
CONTRAST TABLE
PDP-428XD/WYV5, PDP-428XG/DLFT, PDP-428XDA/YP and PDP-428XC/WA5 are constructed the same except
for the following:
Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
The
mark found on some component parts indicates the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of identical designation.
Screws adjacent to
mark on product are used for disassembly.
For the applying amount of lubricants or glue, follow the instructions in this manual.
(In the case of no amount instructions, apply as you think it appropriate.)
Nos. indicate the pages and Nos. in the service manual for the base model.
NOTES:
When ordering resistors, first convert resistance values into code form as shown in the following examples.
Ex.1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%,
and K=10%).
Ex.2 When there are 3 effective digits (such as in high precision metal film resistors).
5 6 1
4 7 3
R 5 0
1 R 0
RD1/4PU
J
RD1/4PU
J
RN2H
K
RS1P
K
56 x 101
47 x 103
R50
1R0
561
473
RN1/4PC
F
562 x 101
5621
5
2
6
1
Mark
No.
Symbol and Description
PDP-428XD
/WYV5
PDP-428XG
/DLFT
PDP-428XDA
/YP
PDP-428XC
/WA5
Remarks
PCB ASSEMBLIES
P175-1
MAIN Assy
AWV2461
AWV2465
AWV2465
AWV2466
NSP
1..FUKUGO Assy
AWV2480
AWV2490
AWV2488
AWV2490
P175-2
2..TANSHI ASSY
AWW1247
AWW1257
AWW1255
AWW1257
P165-1
2..SIDE IO ASSY
AWW1253
AWW1259
AWW1259
AWW1259
P175-3
2..232C ASSY
AWW1254
Not used
Not used
Not used
NSP
1..42 DIGITAL ASSY
AWV2450
AWV2534
AWV2534
AWV2534
P171-3
2..42 DIGITAL ASSY
AWW1271
AWW1338
AWW1338
AWW1338
DTV TUNER BOARD
Not used
Not used
AXY1170
Not used
*1 No. 1
PACKING SECTION
>
P163-1
Power Cord (2 m)
ADG1214
Not used
ADG1245
ADG1209
P163-3
Remote Control Unit
AXD1551
AXD1554
AXD1555
AXD1556
NSP
P163-5
Dry Cell Battery (R06, AA)
VEM1031
AEX1025
VEM1031
VEM1031
P163-9
Operating Instructions
(English/French/German)
ARE1484
Not used
Not used
Not used
P163-10
Operating Instructions
(Italian/Spanish/Dutch)
ARC1601
Not used
Not used
Not used
P163-11
Caution Card
ARM1232
ARM1232
ARM1232
Not used
NSP
P163-13
Warranty Card
ARY1204
Not used
ARY1192
ARY1161
P163-14
Polyethylene Bag
AHG1337
AHG1337
AHG1336
AHG1336
NSP
P163-15
Catalogue Bag
AHG1340
Not used
Not used
AHG1340
P163-21
Power Cord Lid
AHC1085
AHC1085
Not used
Not used
P163-23
Upper Carton
AHD3647
AHD3596
AHD3597
AHD3598
P163-25
After Image Caution
ARM1350
Not used
Not used
Not used
Operating Instructions
(Simp-Chinese)
Not used
Not used
Not used
ARC1581
Operating Instructions (English)
Not used
Not used
ARB1577
Not used
Operating Instructions
(English/Spanish/Portuguese
/Trad-Chinese)
Not used
ARE1479
Not used
Not used
>NSP
Power Cord
Not used
ADG1232
Not used
Not used
>NSP
Power Cord
Not used
ADG1234
Not used
Not used
>NSP
Power Cord
Not used
ADG1236
Not used
Not used
>NSP
Power Cord
Not used
ADG1239
Not used
Not used
>NSP
Power Cord
Not used
ADG1241
Not used
Not used
>NSP
Power Cord
Not used
ADG1242
Not used
Not used
>NSP
Power Cord
Not used
ADG1243
Not used
Not used

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PDP-428XG
5
56
7
8
56
7
8
C
D
F
A
B
E
Notes : The numbers in the remarks column correspond to the numbers on the "EXPLODED VIEWS".
For PCB ASSEMBLIES, Refer to "5. SCHEMATIC DIAGRAM" , "6. PCB CONNECTION DIAGRAM" and "7. PCB PARTS LIST".
*1 : DTV TUNER BOARD has no service parts.
>NSP
Power Cord
Not used
ADG1244
Not used
Not used
>NSP
Power Cord
Not used
ADG1246
Not used
Not used
>NSP
Power Cord Assy
Not used
AWX1095
Not used
Not used
PAL RF Cable(30cm)
Not used
Not used
ADF1036
Not used
Caution Card (PC)
Not used
Not used
Not used
ARM1302
REAR SECTION
NSP
P165-19
Name Label
AAL3006
AAL3010
AAL3015
AAL3013
P165-20
Bolt Caution Label (E)
AAX3533
AAX3533
AAX3533
AAX3550
P165-22
Label A
AAX3480
AAX3485
AAX3484
AAX3485
P165-23
Label B
AAX3538
AAX3492
AAX3519
AAX3492
P165-24
Label C
AAX3504
AAX3507
AAX3521
AAX3507
P165-25
Terminal Panel B
ANC2449
ANC2451
ANC2451
ANC2451
P165-31
Input Cover Label
AAX3510
AAX3511
AAX3511
AAX3511
P165-42
Screw
BPZ30P080FTB
Not used
Not used
Not used
Destination Label
Not used
AAX3446
Not used
Not used
No. 2
NSP
CCC S&E Label
Not used
Not used
Not used
DRW2310
No. 3
Screw
Not used
BBZ30P060FTB BBZ30P060FTB BBZ30P060FTB No.15
FRONT SECTION
P167-11
Front Case Assy
AMB3016
AMB3017
AMB3018
AMB3017
MULTI BASE SECTION
P175-7
Flexible Cable (J217)
ADD1494
Not used
Not used
Not used
P175-20
POD Cover
AMR3542
Not used
Not used
Not used
P175-21
Multi Base Assy
ANA2103
ANA2103
ANA2104
ANA2103
P175-22
Terminal Panel A
ANC2441
ANC2445
ANC2446
ANC2445
12P Housing Wire (J131)
Not used
Not used
ADX3549
Not used
No. 4
Flexible Cable (J219)
Not used
Not used
ADD1450
Not used
No. 5
Flexible Cable (J220)
Not used
Not used
ADD1497
Not used
No. 6
NSP
Bottom Can
Not used
Not used
XNA1005
Not used
No. 7
Top Can
Not used
Not used
XNG1002
Not used
No. 8
Screw
Not used
Not used
ABZ30P060FTC
Not used
No. 9
Screw
Not used
Not used
BBZ30P060FTB
Not used
No. 10
Screw
Not used
Not used
PMB30P080FNI
Not used
No. 11
Gasket N
Not used
Not used
ANK1776
Not used
No. 12
Frontend Holder G
Not used
ANG3120
Not used
ANG3120
No. 13
Screw
Not used
AMZ30P060FTC
Not used
AMZ30P060FTC No. 14
Mark
No.
Symbol and Description
PDP-428XD
/WYV5
PDP-428XG
/DLFT
PDP-428XDA
/YP
PDP-428XC
/WA5
Remarks