PIONEER PDP-42MXE20 Service Manual

Cover page of PIONEER PDP-42MXE20 Service Manual

Service Manual for PIONEER PDP-42MXE20, downloadable as a PDF file.

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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 2006
MENU/ENTER
INPUTSELECT
DOWN
UP
LEFT/-
RIGHT/+
/EXIT
VOLUME
PDP-427CMX
ARP3435
PLASMA DISPLAY
PDP-427CMX
PDP-42MXE20
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
This service manual should be used together with the following manual(s).
Model
Type
Power Requirement
Remarks
PDP-427CMX
LUC
AC100 to 120 V
PDP-42MXE20
TYVP5
AC100 to 240 V
Model No.
Order No.
Remarks
PDP-425CMX/LUC5
ARP3340
EXPLODED VIEWS, BLOCK DIAGRAM, PCB PARTS LIST etc.
PDP-425CMX/LUC5
ARP3341
SCHEMATIC DIAGRAM, PCB CONNECTION DIAGRAM
For details, refer to "Important Check Points for good servicing".
T-ZZR DEC. 2006 printed in Japan
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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 2006
MENU/ENTER
INPUTSELECT
DOWN
UP
LEFT/-
RIGHT/+
/EXIT
VOLUME
PDP-427CMX
ARP3435
PLASMA DISPLAY
PDP-427CMX
PDP-42MXE20
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
This service manual should be used together with the following manual(s).
Model
Type
Power Requirement
Remarks
PDP-427CMX
LUC
AC100 to 120 V
PDP-42MXE20
TYVP5
AC100 to 240 V
Model No.
Order No.
Remarks
PDP-425CMX/LUC5
ARP3340
EXPLODED VIEWS, BLOCK DIAGRAM, PCB PARTS LIST etc.
PDP-425CMX/LUC5
ARP3341
SCHEMATIC DIAGRAM, PCB CONNECTION DIAGRAM
For details, refer to "Important Check Points for good servicing".
T-ZZR DEC. 2006 printed in Japan
background image
PDP-427CMX
2
12
34
12
3
4
C
D
F
A
B
E
SAFETY INFORMATION
Leakage Current Cold Check
With the AC plug removed from an AC power source, place a
jumper across the two plug prongs. Turn the AC power switch on.
Using an insulation tester (DC 500V), connect one lead to the
jumpered AC plug and touch the other lead to each exposed metal
part (input/output terminals, screwheads, metal overlays, control
shafts, etc.), particularly any exposed metal part having a return
path to the chassis. Exposed metal parts having a return path to
the chassis should have a minimum resistor reading of 4M
. The
below 4M
resistor value indicate an abnormality which require
corrective action. Exposed metal parts not having a return path to
the chassis will indicate an open circuit.
Leakage Current Hot Check
Plug the AC line cord directly into an AC power source (do not
use an isolation transformer for this check).
Turn the AC power switch on.
Using a "Leakage Current Tester (Simpson Model 229
equivalent)", measure for current from all exposed metal parts of
the cabinet (input/output terminals, screwheads, metal overlays,
control shaft, etc.), particularly any exposed metal part having a
return path to the chassis, to a known earth ground (water pipe,
conduit, etc.). Any current measured must not exceed 1mA.
ANY MEASUREMENTS NOT WITHIN THE LIMITS
OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL
SHOCK HAZARD AND MUST BE CORRECTED BEFORE
RETURNING THE SET TO THE CUSTOMER.
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in PIONEER set have
special safety related characteristics. These are often not evident
from visual inspection nor the protection afforded by them
necessarily can be obtained by using replacement components
rated for higher voltage, wattage, etc. Replacement parts which
have these special safety characteristics are identified in this
Service Manual.
Electrical components having such features are identified by
marking with a
on the schematics and on the parts list in this
Service Manual.
The use of a substitute replacement component which dose not
ha v e the same safety characteristics as the PIONEER
recommended replacement one, shown in the parts list in this
Service Manual, may create shock, fire or other hazards.
Product Safety is continuously under review and new instructions
are issued from time to time. For the latest information, always
consult the current PIONEER Service Manual. A subscription to,
or additional copies of, PIONEER Service Manual may be
obtained at a nominal charge from PIONEER.
Leakage
current
tester
Reading should
not be above
4mA
Device
under
test
Test all
exposed metal
surfaces
Also test with
plug reversed
(Using AC adapter
plug as required)
Earth
ground
AC Leakage Test
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PDP-427CMX
3
56
78
56
7
8
C
D
F
A
B
E
[Important Check Points for Good Servicing]
In this manual, procedures that must be performed during repairs are marked with the below symbol.
Please be sure to confirm and follow these procedures.
1. Product safety
Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by
following the safety instructions described in this manual.
1 Use specified parts for repair.
Use genuine parts. Be sure to use important parts for safety.
2 Do not perform modifications without proper instructions.
Please follow the specified safety methods when modification(addition/change of parts) is required due to interferences such as
radio/TV interference and foreign noise.
3 Make sure the soldering of repaired locations is properly performed.
When you solder while repairing, please be sure that there are no cold solder and other debris.
Soldering should be finished with the proper quantity. (Refer to the example)
4 Make sure the screws are tightly fastened.
Please be sure that all screws are fastened, and that there are no loose screws.
5 Make sure each connectors are correctly inserted.
Please be sure that all connectors are inserted, and that there are no imperfect insertion.
6 Make sure the wiring cables are set to their original state.
Please replace the wiring and cables to the original state after repairs.
In addition, be sure that there are no pinched wires, etc.
7 Make sure screws and soldering scraps do not remain inside the product.
Please check that neither solder debris nor screws remain inside the product.
8 There should be no semi-broken wires, scratches, melting, etc. on the coating of the power cord.
Damaged power cords may lead to fire accidents, so please be sure that there are no damages.
If you find a damaged power cord, please exchange it with a suitable one.
9 There should be no spark traces or similar marks on the power plug.
When spark traces or similar marks are found on the power supply plug, please check the connection and advise on secure
connections and suitable usage. Please exchange the power cord if necessary.
0 Safe environment should be secured during servicing.
When you perform repairs, please pay attention to static electricity, furniture, household articles, etc. in order to prevent injuries.
Please pay attention to your surroundings and repair safely.
2. Adjustments
To keep the original performance of the products, optimum adjustments and confirmation of characteristics within specification.
Adjustments should be performed in accordance with the procedures/instructions described in this manual.
4. Cleaning
For parts that require cleaning, such as optical pickups, tape deck heads, lenses and mirrors used in projection monitors, proper
cleaning should be performed to restore their performances.
3. Lubricants, Glues, and Replacement parts
Use grease and adhesives that are equal to the specified substance.
Make sure the proper amount is applied.
5. Shipping mode and Shipping screws
To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be
installed before shipment. Please be sure to follow this method especially if it is specified in this manual.
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PDP-427CMX
4
12
34
12
3
4
C
D
F
A
B
E
CONTENTS
1. CONTRAST OF MISCELLANEOUS PARTS .................................................................................................... 5
1.1 CONTRAST TABLE.................................................................................................................................... 5
1.2 CONTRAST OF PCB ASSEMBLIES ......................................................................................................... 8
2. BLOCK DIAGRAM .......................................................................................................................................... 16
2.1 OVERALL CONNECTION DIAGRAM (1/2) ............................................................................................. 16
2.2 OVERALL CONNECTION DIAGRAM (2/2) ............................................................................................. 18
3. DIAGNOSIS INFORMATION .......................................................................................................................... 20
3.1 THE FLOW OF DIAGNOSIS .................................................................................................................... 20
4. GENERAL INFORMATION ............................................................................................................................. 40
4.1 DIAGNOSIS ............................................................................................................................................. 40
5. ADJUSTMENT ............................................................................................................................................... 41
5.1 ADJUSTMENT REQUIRED WHEN THE SET IS REPAIRED OR REPLACED ....................................... 41
5.2 SERVICE MENU LIST ............................................................................................................................. 42
5.3 SERVICE MENU ...................................................................................................................................... 43
5.4 FACTORY MODE..................................................................................................................................... 45
5.5 LIST OF RS-232C COMMANDS ............................................................................................................. 56
6. SPECIFICATIONS .......................................................................................................................................... 79
7. SCHEMATIC DIAGRAM ................................................................................................................................. 80
7.1 MAIN ASSY [CPU BLOCK] (1/13) ........................................................................................................... 80
7.2 MAIN ASSY [Interface BLOCK] (2/13) ..................................................................................................... 82
7.3 MAIN ASSY [Interface B BLOCK] (3/13).................................................................................................. 84
7.4 MAIN ASSY [RGB H/V select A BLOCK] (4/13) ...................................................................................... 86
7.5 MAIN ASSY [RGB H/V select B BLOCK] (5/13) ...................................................................................... 88
7.6 MAIN ASSY [VIDEO SLOT OE BLOCK] (6/13) ....................................................................................... 90
7.7 MAIN ASSY [A/D A BLOCK] (7/13) ......................................................................................................... 92
7.8 MAIN ASSY [A/D B BLOCK] (8/13) ......................................................................................................... 94
7.9 MAIN ASSY [DVI Receiver BLOCK] (9/13) .............................................................................................. 96
7.10 MAIN ASSY [Pastel BLOCK] (10/13) ..................................................................................................... 98
7.11 MAIN ASSY [SDRAM OSD BLOCK] (11/13) ....................................................................................... 102
7.12 MAIN ASSY [LVDS Transmitter BLOCK] (12/13) ................................................................................. 104
7.13 MAIN ASSY [FAN Control etc. BLOCK] (13/13)................................................................................... 106
7.14 VSIF ASSY........................................................................................................................................... 108
7.15 SENB ASSY......................................................................................................................................... 110
7.16 SENC ASSY ........................................................................................................................................ 111
7.17 SEND ASSY ........................................................................................................................................ 112
7.18 COMM SLOT ASSY ............................................................................................................................. 114
8. PCB CONNECTION DIAGRM ...................................................................................................................... 116
8.1 MAIN ASSY .......................................................................................................................................... 116
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PDP-427CMX
5
56
78
56
7
8
C
D
F
A
B
E
1. CONTRAST OF MISCELLANEOUS PARTS
1.1 CONTRAST TABLE
· CONTRAST TABLE
PDP-425CMX/LUC5, PDP-427CMX/LUC and PDP-42MXE20/TYVP5 are constructed the same except for the fol-
lowing:
jp
f
y
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.)
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.
Reference 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%).
560
56
101
561 ........................................................ RD1/4PU 5 6 1 J
47k
47
103
473 ........................................................ RD1/4PU 4 7 3 J
0.5
R50 ..................................................................................... RN2H R 5 0 K
1
1R0 ..................................................................................... RS1P 1 R 0 K
Ex.2 When there are 3 effective digits (such as in high precision metal film resistors).
5.62k
562
101
5621 ...................................................... RN1/4PC 5 6 2 1 F
Ref. No. Mark
Symbol and Description
Rart No.
Remarks
PDP-425CMX
/LUC5
PDP-427CMX
/LUC
PDP-42MXE20
/TYVP5
PCB ASSEMBLIES
NSP
1..MAIN ASSY
AWV2285
AWV2424
AWV2425
17- 1
2..MAIN ASSY
AWW1100
AWW1234
AWW1235
17- 2
2..VSIF ASSY
AWW1101
AWW1244
AWW1245
NSP
1..SUB ASSY
AWV2287
AWV2427
AWV2427
19- 1
2..SENB ASSY
AWW1102
AWW1217
AWW1217
15- 4
2..SENC ASSY
AWW1103
AWW1218
AWW1218
19- 3
2..SEND ASSY
AWW1104
AWW1219
AWW1219
15- 1
2..AUDIO ASSY
AWW1105
AWW1237
AWW1237
15- 2
2..COMMSLOT ASSY
AWW1106
AWW1221
AWW1221
15- 3
2..COMMSLOT IF ASSY
AWW1107
AWW1222
AWW1222
13- 1
2..KEY ASSY
AWW1108
AWW1223
AWW1223
13- 2
2..LED2 ASSY
AWW1109
AWW1224
AWW1224
21- 4
42 Y DRIVE ASSY
AWV2251
AWV2334
AWV2334
23- 5
MD DIGITAL ASSY
AWV2254
AWV2345
AWV2345
PACKING SECTION
11- 1
>
Power Cord
ADG1215
ADG1215
Not used
11-15
Operating Instructions (English, French, Japanese)
ARD1070
ARD1075
Not used
11-15
Operating Instructions (English/French/German
Not used
Not used
ARE1466
/Italian/ Dutch/ Spanish/ Chinese)
11-17
Operating Instructions (7L)(CD-ROM)
Not used
Not used
ARU1002
11-18
Caution Sheet
ARM1201
Not used
Not used
11- 6
Speed Clamp
AEC2051
AEC1908
AEC1908
11-21
NSP
Warranty Card
ARY1146
ARY1146
Not used
11-21
NSP
Warranty Card (EU)
Not used
Not used
ARY1149
11-22
NSP
Warranty Card
ARY1146
ARY1166
Not used
11-23
NSP
Polyethyene Bag
AHG-195
AHG-195
Not used
11-35
Upper Carton
AHD3418
AHD3559
AHD3560
11-37
Plasma Caution Sheet
ARM1147
ARM1147
Not used
11-38
Image Caution Sheet
ARM1220
ARM1220
Not used

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