PIONEER PDP-427XC-WA5[1] - Service Manual Immediate Download

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

ARP3430

T ZZR OCT. 2006 Printed in Japan

PLASMA TELEVISION

PDP-427XC

Model No.

Order No.

Remarks

PDP-427XD/WYVIXK5

ARP3391

EXPLODED VIEWS, BLOCK DIAGRAM, PCB PARTS LIST etc.

PDP-427XD/WYVIXK5

ARP3392

SCHEMATIC DIAGRAM, PCB CONNECTION DIAGRAM

¶ This service manual should be used together with the following manual(s):

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

¶ For SPECIFICATIONS and PANEL FACILITIES, refer to the operating instructions.

Remarks

Model

PDP-427XC

Type

Power Requirement

WA5

AC 220 V to 240 V

PDP-427XC

1. QUICK REFERENCE UPON SERVICE VISIT .......................................................................................................................... 3

2. CONTRAST OF MISCELLANEOUS PARTS ............................................................................................................................. 5

3. BLOCK DIAGRAM ................................................................................................................................................................... 14

3.1 SIGNAL BLOCK DIAGRAM ............................................................................................................................................ 14

4. DIAGNOSIS ............................................................................................................................................................................. 16

4.1 TROUBLE SHOOTING .................................................................................................................................................... 16

4.1.1 FLOWCHART OF FAILURE ANALYSIS FORTHE VIDEO SYSTEM ....................................................................... 16

4.1.2 FLOWCHART OF FAILURE ANALYSIS FORTHE AUDIO SYSTEM ...................................................................... 22

5. ADJUSTMENT ......................................................................................................................................................................... 27

5.1 ADJUSTMENT REQUIRED WHEN THE SET IS REPAIRED OR REPLACED .............................................................. 27

5.2 ADJUSTMENT REQUIRED WHEN PART IS REPLACED ............................................................................................. 28

5.3 ADJUSTMENT WHEN THE SERVICE PANEL ASSY IS REPLACE .............................................................................. 29

6. RS-232C .................................................................................................................................................................................. 31

6.1 OUTLINE OF RS-232C COMMAND ............................................................................................................................... 31

6.1.1 USING RS-232C COMMANDS ............................................................................................................................... 31

6.2 OUTLINE OF EACH COMMAND .................................................................................................................................... 32

6.2.1 QS6 .......................................................................................................................................................................... 32

7. GENERAL INFORMATION ...................................................................................................................................................... 33

7.1 LED INFORMATION ........................................................................................................................................................ 33

8. SERVICE FACTORY MODE .................................................................................................................................................... 34

8.1 FACTORY HIERARCHICAL TABLE ............................................................................................................................... 34

8.2 FACTORY MENU ............................................................................................................................................................ 36

8.2.1 INFORMATION ......................................................................................................................................................... 36

8.2.4 INITIALIZE ................................................................................................................................................................ 40

9. SCHEMATIC DIAGRAM .......................................................................................................................................................... 42

9.1 MAIN ASSY(1/9) [BOARD IF BLOCK] ........................................................................................................................... 42

9.2 MAIN ASSY(2/9) [REG 0 BLOCK] .................................................................................................................................. 44

9.3 MAIN ASSY(3/9) [ATUNER BLOCK] .............................................................................................................................. 46

9.4 MAIN ASSY(4/9) [AV SW BLOCK] ................................................................................................................................. 48

9.5 MAIN ASSY(5/9) [RGB SW BLOCK] .............................................................................................................................. 50

9.6 MAIN ASSY(6/9) [VDEC BLOCK] .................................................................................................................................. 52

9.7 MAIN ASSY(7/9) [IF UCOM BLOCK] ............................................................................................................................. 54

9.8 MAIN ASSY(8/9) [MAIN UCOM BLOCK] ....................................................................................................................... 56

9.9 MAIN ASSY(9/9) [DESEL BLOCK] ................................................................................................................................. 58

9.10 TANSHI ASSY (1/2) ...................................................................................................................................................... 60

9.11 TANSHI ASSY (2/2) ...................................................................................................................................................... 62

10. PCB CONNECTION DIAGRAM ............................................................................................................................................ 64

10.1 TANSHI, SIDE and PC ASSYS ..................................................................................................................................... 64

CONTENTS

234

PDP-427XC

Notes when visiting for service

1. Notes when disassembling/reassembling

1 Rear case

When reassembling the rear case, the screws must be tightened in a

specific order. Be careful not to tighten them in the wrong order forcibly.

For details, see "Rear Case" in "6. DISASSEMBLY" on ARP3391.

2 Attaching screws for the HDMI connector

When attaching the HDMI connector after replacing the Main Assy,

secure the HDMI connector manually with a screwdriver, but not

with an electric screwdriver. If you tighten the screws too tightly

with an electric screwdriver, the screw heads may be damaged, in

which case the screws cannot be untightened/tightened any more.

2. On parts replacement

1 How to discharge before replacing the Assys

A charge of significant voltage remains in the Plasma Panel even

after the power is turned off. Safely discharge the panel before

replacement of parts, in either manner indicated below:

A: Let the panel sit at least for 3 minutes after the power is turned off.

B: Turn the Large Signal System off before the power is turned off

then, after 1 minute, turn the power off.

For details, see "10.2 Power ON/OFF Function for the Large-Signal

System" on ARP3391.

2 On the settings after replacement of the Assys

Some boards need settings made after replacement of the Assys.

For details, see "7. ADJUSTMENT" on ARP3391.

3. On various settings

1 SR+

After a repair using a PC, be sure to restore the setting for the

RS-232C connector to SR+.

2 Setting in Factory mode

After a Mask indication into the panel is performed, be sure to

set the Mask setting to "OFF" then exit Factory mode.

Adjustments and Settings after replacement of the

Assys (Procedures in Factory mode)

1. Digital Video Assy: Transfer of backup data

1 Select {PANEL FACTORY}, {ETC}, then {BACKUP DATA}. (After entering Factory

mode, press [MUTING] once, press [ENTER], press [

«] seven times, then press

[ENTER].)

2 Select {TRANSFER}, using [

\], then hold [ENTER] pressed for at least 5 seconds.

3 After transfer of backup data is completed, {ETC} is automatically selected, and the

LED on the front panel returns to normal lighting.

2. MAIN Assy : Execution of FINAL SETUP.

1 Select {INITIALIZE} then {FINAL SETUP}, then press [ENTER]. (After entering

Factory mode, press [MUTING] three times, then press [

«] four times.)

2 Select "YES", using [

\]. Then hold [ENTER] pressed for at least 5 seconds.

3 After "FINAL SETUP IS COMPLETE" is displayed on the screen, turn the POWER

switch of the main unit off.

3. POWER SUPPLY Unit: Clearance of the accumulated power-on count

and maximum temperature value

1 Select {PANEL FACTORY}, {ETC}, then {P COUNT INFO}. (After entering Factory

mode, press [MUTING] once, press [ENTER], press [

«] seven times, press [ENTER],

then press [

«] six times.)

2 Press [

\] to select "CLEAR". Hold [ENTER] pressed for at least 5 seconds.

After clearance is completed, "ETC" is automatically selected. Clear the maximum

temperature value (MAX TEMP) in the same manner.

4. Other Assys: Clearance of the maximum temperature value

1 Select {PANEL FACTORY}, {ETC}, then {MAX TEMP}. (After entering Factory mode,

press [MUTING] once, press [ENTER], press [

«] seven times, press [ENTER], then

press [

«] seven times.)

2 Press [

\] to select "CLEAR". Hold [ENTER] pressed for at least 5 seconds.

After clearance is completed, "ETC" is automatically selected.

How to locate several items on the Factory menu

1. Confirmation of accumulated power-on time and power-on

count

Select {INFORMATION} then {HOUR METER}.

(After entering Factory mode, press [

«] four times.)

2. Confirmation of the Power-down and Shutdown histories

1 Panel system

PD: Select {PANEL FACTORY} then {POWER DOWN}.

(After entering Factory mode, press [MUTING] once, press

[ENTER], then press [

«] three times.)

SD: Select {PANEL FACTORY} then {SHUT DOWN}.

(After entering Factory mode, press [MUTING] once, press

[ENTER], then press [

«] four times.)

2 Main Assy

Select {INFORMATION} then {MAIN NG}.

(After entering Factory mode, press [

«] once.)

3. How to display the Mask indication

1 Mask indication in the panel side

1. Select {PANEL FACTORY} then {RASTER MASK SETUP}.

(After entering Factory mode, press [MUTING] once, press [ENTER],

then press [

«] 8 times.)

2. Press [ENTER], then select a Mask indication, using [

»] or [«].

2 Mask (SG screen) indication in the Main Assy (MAIN VDEC)

1. Select either Input 1, 2 or 4, to which no signal is input (black screen).

2. Select {INITIALIZE} then {SG MODE}. Press [

|]. (After entering

Factory mode, press [MUTING] three, then press [

«] once.)

Then, the indication at the lower right of the screen changes from

"OFF" to "ANA AD YCBCR".

3. You can change Mask patterns by pressing [

«] to select {SG

PATTERN} then using [

|] or [\].

Note: When you switch "SG MODE" routes, some displays become

monochrome, as they are in Y-signal only mode.

{

} : Item on the Factory menu

[

] : Key on the remote control unit

" : Screen indication

Item

No. of LEDs

flashing

PD/SD

Red 2

Red 3

Red 4

Red 5

Red 6

Red 7

Red 8

Red 9

Red 10

Red 11

Red 15

Blue 1

Blue 2

Blue 3

Blue 4

Blue 5

Blue 6

Blue 7

Blue 8

Blue 9

Blue 10

Blue 11

Blue 12

Blue 13

Red

Blue

Communication with the panel drive IC

Communication with the module IIC

DIGTAL-RST2

Panel high temperature

Audio

Communication with the Module microcomputer

Main 3-wire serial communication

Main IIC communication

Communication with the Main microcomputer

FAN

Unit high temperature

No corresponding item

MTB-RST2/RST4

PDP-427XC Quick Reference upon Service Visit

Notes, PD/SD diagnosis, and methods for various settings

POWER

SCAN

SCN-5V

Y-DRIVE

Y-DCDC

Y-SUS

ADRS

X-DRIVE

X-DCDC

X-SUS

UNKNOWN

anel

section

Main

section

How to enter Integrator mode using

the supplied remote control unit

In the same way as with the remote

control unit supplied with the 6th-

generation model

1 Enter the Integrator mode.

2 Display "OFF" using [

\].

3 Change the communication speed

using [

«], then [\].

1 Enter the Standby mode.

2 Press [MENU].

3 Press [TV

Enter the Standby mode.

Hold [VOL +] or [VOL -] pressed for 3 seconds.

Hold [SPLIT] pressed for 3 seconds.

4-1 To set to 232C, press [ENTER].

5-2 To set to SR+, press [HOME MENU].

Note: If switching is completed successfully,

the red LED will flash twice.

Note 1: Use a remote control unit supplied with

the 6th-generation models or later.

Note 2: Do not hold a key pressed for more

than 5 seconds.

How to switch UART

2 (During Standby)

How to switch UART

1 (Integrator)

How to enter Factory mode using

the supplied remote control unit

Change of settings

1. QUICK REFERENCE UPON SERVICE VISIT

PDP-427XC

Structure of Layers in Service Factory Mode

INFORMATION mode

1. VERSION (1)

Flash Versions for PANEL system and MAIN system

2. VERSION (2)

Flash Versions for DTV system

3. MAIN NG

SD histories for MAIN (Going Clear model by SET key)

3-1. CLEAR

Select Yes by [

\] key \ pushing and hold [SET] key

4. TEMPERATURE

TEMP 1, TEMP2 and FAN mode are displayed

5. HOUR METER

Hour meter and number of Power ON are displayed

5-1. CLEAR

Select Yes by [

\] key \ pushing and hold [SET] key

6. HDMI SIGNAL INFO 1

For factory use

7. HDMI SIGNAL INFO 2

Signal info of HDMI are displayed ( Detail are on SM )

8. VDEC SIGNAL INFO

For factory use

PANEL FACTORY mode

Refer to [PANEL FACTORY MODE]

OPTION

1. EDID WRITE MODE

For factory use

2. CH PRESET

For production line use

3. AFT

For production line use

INITIALIZE

1. SYNC DET (+)

For factory use

2. SG MODE

SG signal from MAIN VDEC (Composite signal is required)

3. SG PATTERN

For factory use

4. SIDE MASK LEVEL(+)

For factory use

4-1. R MASK LEVEL

4-2. G MASK LEVEL

4-3. B MASK LEVEL

5. FINAL SETUP

Set to Factory default settings (it should perform after

5-1. DATA RESET

replacing a MAIN board )

6. CVT AUTO

For factory use

7. HDMI INTR POSITION(+)

For factory use

PDP-427XC Quick Reference upon Service Visit

Mode transition and structure of layers in Service Factory mode

Structure of Layers in Panel Factory Mode 1

1. PANEL INFORMATION

Version indication of the panel

2. PANEL WORKS

Indications of the accumulated power-on time, pulse-meter

count, and power-on count of the panel

3. POWER DOWN

Indication of the Power-down history

4. SHUT DOWN

Indication of the Shutdown history

5. PANEL-1 ADJ (+)

1. X-SUS B

2. Y-SUS B

3. Y-SUSTAIL T1

4. Y-SUSTAIL T2

Modification not required because these items are basically

5. Y-SUSTAIL W

for factory presetting

6. XY-RST W1

7. XY-RST W2

8. VOL SUS

9. VOL OFFSET

Settings required after replacement of the panel

10. VOL RST P

11. SUS FREQ.

For AM noise prevention (Depending on the mode,

brightness of the screen changes.)

6. PANEL-2 ADJ (+)

1. R-HIGH

2. G-HIGH

3 .B-HIGH

Parameters for the WB adjustment of the panel, which are

4. R-LOW

required during adjustment after panel replacement

5. G-LOW

6. B-LOW

7. ABL

Setting of the power consumption. A setting table is

available for each vertical signal.

To "Structure of Layers in Panel Factory Mode 2"

Structure of Layers in Panel Factory Mode 2

7. PANEL REVISE (+)

R-LEVEL

G-LEVEL

Items for use by engineers

B-LEVEL

8. ETC (+)

1. BACKUP DATA

For transferring backup data (after replacement of

the DIGITAL Assy)

2. DIGITAL EEPROM

To clear data of the digital video

3. PD INFO.

4. SD INFO.

For clearance of data for the corresponding items.

5. HR-MTR INFO.

The clearing method is the same: Select "CLEAR",

6. PM/B1-B5

using [

\], then hold [SET] pressed for at least 5

7. P COUNT INFO.

seconds. After clearance is completed, {ETC} is

8. MAX TEMP.

automatically selected.

9. RASTER MASK SETUP (+)

1. MASK OFF

2. RST MASK 01

For use while Raster Mask (full mask) is displayed.

· · · · ·

Use [

»] or [«] to select the type of mask.

25. RST MASK 24

10. PATTEN MASK SETUP (+)

1. MASK OFF

2. PTN MASK 01

For use while Pattern Mask is displayed. Use [

»] or

· · · · ·

[

«] to select the type of mask.

40. PTN MASK 39

11. COMBI MASK SETUP (+)

1. MASK OFF

2. CMB MASK 01

For use while Combination Mask is displayed.

· · · · ·

Use [

»] or [«] to select the type of mask.

11. CMB MASK 10

INFORMATION mode

1. VERSION (1)

2. VERSION (2)

3. MAIN NG

4. TEMPERATURE

5. HOUR METER

6. HDMI SIGNAL INFO1

7. HDMI SIGNAL INFO2

8. VDEC SIGNAL INFO

PANEL FACTORY mode

1. PANEL INFORMATION

2. PANEL WORKS

3. POWER DOWN

4. SHUT DOWN

5. PANEL-1 ADJ

6. PANEL-2 ADJ

7. PANEL REVICE

8. ETC.

9. RASTER MASK SETUP

10. PATTEN MASK SETUP

11. COMBI MASK SETUP

INITIALIZE mode

1. SYNC DET

2. SG MODE

3. SG PATTERN

4. SIDE MASK LEVEL

5. FINAL SETUP

6. CVT AUTO

7. HDMI INTR POSITION

OPTION mode

1. EDID WRITE MODE

2. CH PRESET

3. AFT

Down

Enter

· To shift to another mode, press [MUTING].

· To shift to another item in a specific mode,

press [

»] or [«].

· To shift to the next nested layer below for an

item with a "(+)" indication, press [ENTER].

To return to the next nested layer above,

also press [ENTER].

Mode transition in Service Factory mode

234

PDP-427XC

Part No.

Ref. No. Mark

Symbol and Description

PDP-427XA

PDP-427XC

Remarks

/WYV5

/WA5

PCB ASSEMBLIES

P23- 1

MAIN ASSY

AWV2318

AWV2324

NSP

IO ASSY

AWV2319

AWV2323

P23- 2

TANSHI ASSY

AWW1161

AWW1164

P13- 2

SIDE ASSY

AWW1162

AWW1165

P23- 3

PC ASSY

AWW1163

AWW1166

P19- 4

42 Y DRIVE ASSY

AWV2400

AWV2371

NSP

42 DIGITAL ASSY

AWV2435

AWV2372

P19- 5

42 DIGITAL ASSY

AWW1240

AWW1193

PACKING SECTION

P11- 1

Power Cord (2 m)

ADG1214

ADG1209

P11- 2

Power Cord LID

AHC1085

Not used

P11- 3

Remote Control Unit

AXD1540

AXD1544

P11- 4

Battery Cover

AZN2626

AZA7424

P11- 5

Operating Instructions (Italian, Dutch, Spanish)

ARC1563

Not used

P11- 6

Operating Instructions (English, French, German)

ARE1429

Not used

P11- 6

Operating Instructions (Chinese)

Not used

ARC1568

P11-13

Caution Card

ARM1232

ARM1302

P11-15 NSP

Warranty Card

ARY1114

ARY1161

P11-24

Upper Carton

AHD3516

AHD3520

2. CONTRAST OF MISCELLANEOUS PARTS

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

× 101

561 ........................................................ RD1/4PU 5 6 1 J

47k

× 103

473 ........................................................ RD1/4PU 4 7 3 J

0.5

R50 ..................................................................................... RN2H R 5 0 K

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

CONTRAST TABLE

PDP-427XC/WA5 and PDP-427XA/WYV5 are constructed the same except for the following :