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42 & 61 Inch Plasma
Field Service and Training Guide

PRO-1410HD
PDP-614MX
PDP-424MV

Technical Training Department
1925 E. Dominguez Street
Long Beach, CA 90810
Contents
Preface 4 PC Board Replacement (Screws & Connectors) 29~30
PDP-424MV PBC Layout 5 Adjustments (61 Inch Models) 31~37
PRO-1410HD & PDP-614MX PCB Layout 6 Disassembly (61 Inch Models) 38~41
Function OF The PCB Assemblies 7~9 Parts List (61 Inch Models) 42~43
Normal Power On Operation 10~11 Connector Pin Voltages And Signals (61 Inch) 44~49
42 & 61 Inch Common Troubleshooting 12~24 42 Inch Section (PDP-424MV) 51~83
Power Failure (Flow Chart) 13 Missing Data Or Scan Symptoms 51
Blinking IN Green (Flow Chart) 14~15 Testing Data Relay Boards 52~53
Blinking In Red (Temperature Alarm) 16 Testing High Voltage Board And Scan ICs 54~55
Blinking In Red And Green (Flow Chart) 17 Testing High Voltage Board For No Picture 56~57
Lighting In Green Then Red (Flow Chart) 18 Digital Board Symptoms 58
No Picture (Flow Chart) 19 Power Off Symptoms 59~61
Audio Troubleshooting (Flow Chart) 20 Picture Problems (High Voltage Board) 62
Remote Troubleshooting (Flow Chart) 21~22 All Connector Locations 63
Closed Caption Troubleshooting (Flow Chart) 23~24 Screw Locations On PCB Assemblies 64
61 Inch Section (PRO-1410HD & PDP-614MX) 26~49 Parts List (42 Inch Model) 65~66
Testing Scan Board (Y-Drive) 26 Adjustments (42 Inch Model) 67~73
Testing Scan ICs And Common Board (X-Drive) 27 Disassembly (42 Inch Model) 74~77
Testing Data ICs And Digital Board Fuse 28 Connector Pin Voltages And Signals (42 Inch) 78~83
Preface
This technical training guide will address
the disassembly and adjustments of 42 and
61 inch Pioneer Plasma Display models.

This guide was designed as a servicing aid
and is not intended to replace the service
manual. The student should have the
appropriate service manual on hand when
when using this guide. Data in the service
manual for this unit contains specific
information on safety, parts and adjustments.
Lead in the solder used in this product
is a known reproductive toxicant which
may cause birth defects or other reproductive
Safety information
harm. (California Health and Safety Code
Section 25249.5).
Important safety data for this Pioneer model
is contained in the service manual. Before
returning the unit to the customer, complete
all product safety obligations and tests.
Technicians who bypass safety features or When servicing this or handling circuit
fail to carry out safety checks may expose boards and other components which
themselves and others to possible injury, contain solder, avoid unprotected skin
and may be liable for any resulting damages. contact with the solder. Also, when
soldering do not inhale any smoke or
For more information on electronic fumes produced.
circuits and block diagrams refer
to the Service manual.
4
PDP-424MV PCB Layout
MAIN PWB POWER UNIT SENB PWB

High Voltage

SEND PWB

232C PWB
SENC PWB

PWR PWB
AUDIO PWB
LED PWB CTL PWB
5
PRO-1410HD & PDP-614MX
SENB PWB SEND PWB
MAIN PWB

POWER UNIT
Scanning PWB

232C PWB SENC PWB

PWR PWB
AUDIO PWB

LED PWB CTL PWB

6
Function of the PCB's
MAIN PWB ASSY
Selector
Video selector(Video, RGB/YC/V)
Sync selector(Sync on green, HD,VD,Y)
Video decoder
3.58NTSC Motion compensated 3D Y/C separation
PAL Motion compensated 2D Y/C separation
Color demodulation
Digital chroma decoder
DVI receiver
HDCP

7
Function of the PCB's
MAIN PWB ASSY
AD converter
IP converter
Resolution converter(Frame rate converter)
Contrast,Bright
Color temperature adjustment
De-Gamma converter(Error diffusion,Dither)
LVDS(Low voltage differential signal)
OSD(On screen display)
SPLIT SCREEN

8
Function of each PWB
AUDIO PWB ASSY
AUDIO AMPLIFIER
SENB PWB,SENC PWB ,SEND PWB
Temperature sensor
232C PWB
Remote in-out, 232C input terminal
CTL PWB
INPUT SELECT/EXIT,LEFT/+,RIGHT/+
VOLUME UP/DOWN,PROCEED
PWR PWB
Power switch
LED PWB
POWER/STANDBY LED
POWER UNIT
9
Normal Power On Operation
61 & 42 Fan C
61 Only

2.
2.
9.
7.
2. 7. 8.
3.
7. 8.

6. 7.

5.
CPU 7.
1.

4.
IC9503

10
42 And 61 Inch Models

Normal Power On Operation
1. AC line attached to Power Supply.
2. Power Supply outputs a Power Mute voltage at +4.8 from Connector PM pin 5
(POMUTE). The Power Supply also outputs a +7 volt supply to the Main Microprocessor
at Connector PM pin 1 (M+7).
3. The +7 volt supply now on the Main PCB goes to the RS232 PCB, Power Switch PCB and
IC9503 the +5 volt regulator. Additionally the +7 volt supply returns back to the Power
Supply as one of the Power Start Up signals.
4. The +5 volt regulator (IC9503) outputs to the RS232 and Power Switch PCB's. At this
time the Main Microprocessor sets the state to Standby and the front panel LED lights
Red.
5. From Standby pressing the Power button will send a +5 volt signal to the Main
Microprocessor from the Power Switch PCB Connector PW pin 2 (POIN).
6. The Main Microprocessor outputs the Power On +5 volt signal to the Power Supply from
Connector PM pin 3 (POWER). At this time the Power Relay engages.
7. The Power Supply upon receiving the Power On Signal supplies all other secondary
supply voltages.
8. After secondary supply voltages come up the power supplies for VS (170) and VD (65)
turn on.
9. NOTE: Panel Alarm Input Line can shutdown the Power Supply (High = Normal).

11
42 & 61 Inch Common Trouble Shooting

Page: Trouble Area:
13 Power Failure

14 & 15 Blinking in Green

16 Blinking in Red

17 Blinking in Red & Green

18 Lighting Green then Red

19 No Picture

20 Audio

21 &22 Remote

23 &24 Closed Caption
12
PDP-614MX / PRO-1410HD / PDP-424MV

1. Power failure (Caution) If any abnormality is sensed in such a
manner that the LED flashes or lights, all
the power lines other than those of 7Vdc
(M+7V) and 5Vdc (M+5V) are automatically
(1) The power supply is not turned on. turned off in about 10 seconds. When
checking the power lines other than those of
M+7V and M+5V, a circuit tester or the like
Move the main power setting for should have been connected in advance.
OFF ON.

NO Is the AC power NO The power cord is defective.
Is the POWER/STANDBY lamp lit? output available at
the AC connector
(power cord)?
YES
YES
Is a 6.8Vdc output NO Is a 6.8Vdc output available in
(2) Blinking in green (Alarm of available at Pin of the state that the LD connector
temperature sensor error or fan error) the PM connector? is disconnected and the main
Go to (P14 & 15) power is turned ON?
YES The LD
(3) Blinking in red after repeating YES
reciprocal flash in red and green connector or
(POWER ONOFF) 3times (Alarm of the LED PWB
temperature error) Go to (P16). NO is fault.

Is a 6.8Vdc output Is a 6.8Vdc output available in
(4) Reciprocal flashing in red and available at Pin of the state that the PW connector
green (Alarm of panel error) Go to the PW connector? is disconnected and the main
(P17). power is turned ON?
NO The PW
YES The PW
(5) Lighting in green, and then in connector or connector or
YES the PWR PWB the PWR PWB
red (Alarm of power line error) Go to
is fault. NO is fault.
(P18).
Is a 6.8Vdc output Is a 6.8Vdc output available in
available at Pin of the state that the PM connector
the PM connector? is disconnected and the main
power is turned ON?
NO The PM YES The PM
connector or connector or
Is a 5Vdc output available in the state that YES the MAIN the MAIN
the LD connector is disconnected and the
PWB is fault. PWB is fault.
main power is turned ON?
Is a 4.9Vdc output
YES The LD connector or the available at Pin of
LED PWB is fault. the PM connector?
NO
NO
Is a 5Vdc output available in the state that NO YES The power unit is fault.
the RS connector is disconnected and the
main power is turned ON?
Is a 5Vdc output
available at Pin of
YES The RS connector or the the PW connector?
232C PWB is fault.
NO
NO YES
The PW connector, PWR PWB or the MAIN
PWB is fault.
The MAIN PWB is fault.

13 8-2
(2) Blinking in green
Alarm of temperature sensor error

Blinking in green (intervals of 2 seconds)

Turn off the main power supply.

Pressing the [MENU] key of the product,
turn on the main power supply to cancel
alarming.

Press the remove control keys in the FAN SET
sequential order of [POWER ON]
[POWER ON] [EXIT] [DISPLAY] and
enter the factory adjustment menu. Press FAN SET
the [MENU/ENTER] key to FAN MODE H CONT ENA

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