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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 2008
2008 Printed in Japan
PDP-LX5090H
ARP3492
FLAT SCREEN TV
PDP-LX5090H
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.
The electrical configurations of the PDP-LX5090H are the same as those of the PDP-LX5090,
except for those for part of the MTB block (mainly the MAIN Assy).
As for mechanical configurations, most of the components are common between these
two models, except for those for the MTB block and printing, as well as connectors.
Model
Type
Power Requirement
Remarks
PDP-LX5090H
YSIXK5
AC 220 V to 240 V
PDP-LX5090H
WYS5
AC 220 V to 240 V
Model No.
Order No.
Remarks
PDP-LX5090
ARP3480
EXPLODED VIEWS, BLOCK DIAGRAM, ADJUSTMENT, etc.
T-IZS-001 JUNE


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CONTENTS
1. BASIC ITEMS FOR SERVICE...............................................................................................................................................4
1.1 PCB LOCATIONS ...........................................................................................................................................................4
1.2 JIGS LIST .......................................................................................................................................................................5
2. BLOCK DIAGRAM.................................................................................................................................................................6
2.1 OVERALL WIRING DIAGRAM (1/2) ...............................................................................................................................6
2.2 OVERALL WIRING DIAGRAM (2/2) ...............................................................................................................................8
2.3 OVERALL BLOCK DIAGRAM (MULTI BASE SECTION) .............................................................................................10
2.4 POWER SUPPLY BLOCK of MAIN ASSY ....................................................................................................................12
2.5 IO_AUDIO ASSY ..........................................................................................................................................................14
2.6 CARD ASSY .................................................................................................................................................................16
2.7 LED and IR ASSYS ......................................................................................................................................................18
3. DIAGNOSIS.........................................................................................................................................................................19
3.1 DIAGNOSIS FLOWCHART OF FAILURE ANALYSIS...................................................................................................19
3.2 DIGITAL TUNER SERVICE MENU ...............................................................................................................................35
3.3 DIAGNOSIS OF SD (SHUTDOWN)..............................................................................................................................38
4. DISASSEMBLY....................................................................................................................................................................42
4.1 FLOWCHART OF REMOVAL ORDER .........................................................................................................................42
4.2 DISASSEMBLY .............................................................................................................................................................43
5. EACH SETTING AND ADJUSTMENT ................................................................................................................................53
5.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPAIRED OR REPLACED ..........................................................53
5.2 HOW TO UPDATE USB ................................................................................................................................................56
6. EXPLODED VIEWS AND PARTS LIST...............................................................................................................................58
6.1 PACKING SECTION .....................................................................................................................................................58
6.2 REAR SECTION ...........................................................................................................................................................60
6.3 FRONT SECTION.........................................................................................................................................................62
6.4 CHASSIS SECTION (1/2) .............................................................................................................................................64
6.5 CHASSIS SECTION (2/2) .............................................................................................................................................66
6.6 PANEL CHASSIS SECTION .........................................................................................................................................68
6.7 MULTIBASE SECTION .................................................................................................................................................70
6.8 PDP SERVICE ASSY ...................................................................................................................................................72
7. SCHEMATIC DIAGRAM ......................................................................................................................................................74
7.1 MAIN ASSY (1/24) [BOARD_IF_0 BLOCK] ..................................................................................................................74
7.2 MAIN ASSY (2/24) [BOARD_IF_1 BLOCK] ..................................................................................................................76
7.3 MAIN ASSY (3/24) [BOARD_IF_2 BLOCK] ..................................................................................................................78
7.4 MAIN ASSY (4/24) [POWER_0 BLOCK] ......................................................................................................................80
7.5 MAIN ASSY (5/24) [POWER_1 BLOCK] ......................................................................................................................82
7.6 MAIN ASSY (6/24) [POWER_2 BLOCK] ......................................................................................................................84
7.7 MAIN ASSY (7/24) [VDEC BLOCK] ..............................................................................................................................86
7.8 MAIN ASSY (8/24) [ADC BLOCK] ................................................................................................................................88
7.9 MAIN ASSY (9/24) [HDMI BLOCK]...............................................................................................................................90
7.10 MAIN ASSY (10/24) [HDMI_SW BLOCK] ...................................................................................................................92
7.11 MAIN ASSY (11/24) [DTB_T TUNER BLOCK] ...........................................................................................................94
7.12 MAIN ASSY (12/24) [COFDM BLOCK].......................................................................................................................96
7.13 MAIN ASSY (13/24) [COMMON_IF BLOCK] ..............................................................................................................98
7.14 MAIN ASSY (14/24) [VBI_SLICER BLOCK] .............................................................................................................100
7.15 MAIN ASSY (15/24) [7404_0 BLOCK] ......................................................................................................................102
7.16 MAIN ASSY (16/24) [7404_1 BLOCK] ......................................................................................................................104
7.17 MAIN ASSY (17/24) [7404_DDR BLOCK] ................................................................................................................106
7.18 MAIN ASSY (18/24) [7404_FLASH BLOCK] ............................................................................................................108
7.19 MAIN ASSY (19/24) [ARIA_0 BLOCK]......................................................................................................................110
7.20 MAIN ASSY (20/24) [ARIA_1 BLOCK]......................................................................................................................112
7.21 MAIN ASSY (21/24) [ARIA_MEMORY BLOCK] .......................................................................................................114
7.22 MAIN ASSY (22/24) [IF_UCOM BLOCK]..................................................................................................................116
7.23 MAIN ASSY (23/24) [EMMA2 BLOCK] .....................................................................................................................118
7.24 MAIN ASSY (24/24) [EMMA2_MEMORY BLOCK] ...................................................................................................120
7.25 CARD ASSY (1/7) [BOARD_IF BLOCK]...................................................................................................................122
7.26 CARD ASSY (2/7) [POWER_0 BLOCK] ...................................................................................................................124
7.27 CARD ASSY (3/7) [DVB-S BLOCK] ..........................................................................................................................126
7.28 CARD ASSY (4/7) [TS_SEL. BLOCK] ......................................................................................................................128
7.29 CARD ASSY (5/7) [CIMAX BLOCK] .........................................................................................................................130
7.30 CARD ASSY (6/7) [CI_SLOT BLOCK] ......................................................................................................................132
7.31 CARD ASSY (7/7) [PC BLOCK]................................................................................................................................134
7.32 VOLTAGES................................................................................................................................................................136


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8. PCB CONNECTION DIAGRAM ........................................................................................................................................ 143
8.1 MAIN ASSY ................................................................................................................................................................ 144
8.2 CARD ASSY ............................................................................................................................................................... 148
9. PCB PARTS LIST .............................................................................................................................................................. 152


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1. BASIC ITEMS FOR SERVICE
1.1 PCB LOCATIONS
50F Y DRIVE
Assy
CARD
Assy
50F X DRIVE
Assy
50F
SCA
N
A
Assy
50F ADDRESS L
Assy
50F ADDRESS S
Assy
RLS Assy
IR Assy
50F ADDRESS L
Assy
50F ADDRESS L
Assy
IO_AUDIO
Assy
50F DIGITAL
Assy
50F ADDRESS L
Assy
50F ADDRESS L
Assy
50F ADDRESS L
Assy
50F ADDRESS S
Assy
SIDE IO
Assy
SIDE KEY Assy
LED Assy
MAIN Assy
FAN CONNECT Assy
POWER SW Assy
SENSOR Assy
50F
SCA
N
B
Assy
POWER SUPPLY
Unit
Mark No.
Description
Part No.
LIST OF ASSEMBLIES
NSP
50F ADDRESS L ASSY
AWW1348
NSP
50F ADDRESS S ASSY
AWW1349
NSP
50F SCAN A ASSY
AWW1350
IC2801 - IC2808
AN16184A
NSP
50F SCAN B ASSY
AWW1351
IC2901 - IC2908
AN16184A
SENSOR ASSY
AWW1340
50F DIGITAL Assy
AWW1347
50F X DRIVE ASSY
AWV2546
50F Y DRIVE ASSY
AWV2547
Mark No.
Description
Part No.
>
MAIN ASSY
AWV2556
IO_AUDIO ASSY
AWW1354
SIDE IO ASSY
AWW1358
SIDE KEY ASSY
AWW1361
LED ASSY
AWW1362
IR ASSY
AWW1363
FAN CONNECT ASSY
AWW1364
RLS ASSY
AWW1365
POWER SW ASSY
AWW1366
CARD ASSY
AWV2558
>
POWER SUPPLY UNIT
AXY1200
PDP SERVICE ASSY 509FE
AWU1342
These Assys are for PDP-LX5090H model use.
Rear view
Front view
Front view
NOTES: - 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.
Note: The wiring shown in the photo is different from the actual wiring, because the product in the photo is a prototype.
Upon servicing, be sure to restore the original wiring of the unit after repair work.


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1.2 JIGS LIST
Flexible cable for service
GGP1048
refer to
"4.2 DISASSEMBLY
4 Sub Multi Chassis"
Name
Jig No.
Remarks