PIONEER PDP-424MX Service Manual

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

Preface

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

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

4 PC Board Replacement (Screws & Connectors) 29~30

12~24

42 Inch Section (PDP-424MV)

51~83

Closed Caption Troubleshooting (Flow Chart) 23~24 Screw Locations On PCB Assemblies 64

61 Inch Section (PRO-1410HD & PDP-614MX)

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

26~49 Parts List (42 Inch Model) 65~66

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.

Safety information

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 fail to carry out safety checks may expose themselves and others to possible injury, and may be liable for any resulting damages.

For more information on electronic

circuits and block diagrams refer

to the Service manual.

Lead in the solder used in this product is a known reproductive toxicant which may cause birth defects or other reproductive harm. (California Health and Safety Code Section 25249.5).

When servicing this or handling circuit boards and other components which contain solder, avoid unprotected skin contact with the solder. Also, when soldering do not inhale any smoke or fumes produced.

PDP-424MV PCB Layout

MAIN PWB

232C PWB

POWER UNIT

SENB PWB

High Voltage

SEND PWB

SENC PWB

PWR PWB

LED PWB

AUDIO PWB

CTL PWB

PRO-1410HD & PDP-614MX

SENB PWB SEND PWB

MAIN PWB

POWER UNIT

Scanning PWB

232C PWB

PWR PWB

LED PWB

SENC PWB

AUDIO PWB

CTL PWB

Function of the PCB’s

¾ MAIN PWB ASSY

Selector

zVideo selector(Video, RGB/YC/V) zSync selector(Sync on green, HD,VD,Y)

Video decoder

z3.58NTSC Motion compensated 3D Y/C separation zPAL Motion compensated 2D Y/C separation zColor demodulation zDigital chroma decoder

DVI receiver

z HDCP

Function of the PCB’s

¾ 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

Function of each PWB

¾ AUDIO PWB ASSY

 AUDIO AMPLIFIER

¾ SENB PWB,SENC PWB ,SEND PWB

 Temperature sensor

¾ 232C PWB

 Remote in-out, 232C input terminal

¾ CTL PWB

 INPUT SELECT/EXIT,LEFT/+,RIGHT/+  VOLUME UP/DOWN,PROCEED

¾ PWR PWB

 Power switch

¾ LED PWB

 POWER/STANDBY LED

¾ POWER UNIT

Normal Power On Operation

¾61 & 42

Fan C

61 Only

CPU

IC9503

Normal Power On Operation

42 And 61 Inch Models

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 (Low Normal).

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

1. Power failure

8-2

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

(1) The power supply is not turned on.

Move the main power setting for OFF→ ON.

Is the POWER/STANDBY lamp lit?

(2) Blinking in green (Alarm of temperature sensor error or fan error) Go to (P14 & 15)

(3) Blinking in red after repeating reciprocal flash in red and green (POWER ON↔OFF) 3times (Alarm of temperature error) Go to (P16).

(4) Reciprocal flashing in red and green (Alarm of panel error) Go to (P17).

(5) Lighting in green, and then in red (Alarm of power line error) Go to (P18).

Is a 5Vdc output available in the state that the LD connector is disconnected and the main power is turned ON?

YES

Is a 5Vdc output available in the state that the RS connector is disconnected and the main power is turned ON?

YES

The PW connector, PWR PWB or the MAIN PWB is fault.

YES

The LD connector or the LED PWB is fault.

The RS connector or the 232C PWB is fault.

(Caution) If any abnormality is sensed in such a

Is the AC power output available at the AC connector (power cord)?

YES

Is a 6.8Vdc output available at Pin of  the PM connector?

YES

Is a 6.8Vdc output available at Pin of  the PW connector?

YES

Is a 6.8Vdc output available at Pin of  the PM connector?

YES

Is a 4.9Vdc output available at Pin of  the PM connector?

Is a 5Vdc output available at Pin of  the PW connector?

NO NO NO

The MAIN PWB is fault.

manner that the LED flashes or lights, all the power lines other than those of 7Vdc (M+7V) and 5Vdc (M+5V) are automatically 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 should have been connected in advance.

The PW connector or the PWR PWB is fault.

The PM connector or the MAIN PWB is fault.

The power cord is defective.

Is a 6.8Vdc output available in the state that the LD connector is disconnected and the main power is turned ON?

The LD

YES

connector or the LED PWB

Is a 6.8Vdc output available in the state that the PW connector is disconnected and the main power is turned ON?

Is a 6.8Vdc output available in the state that the PM connector is disconnected and the main power is turned ON?

is fault.

The PW

YES

connector or the PWR PWB is fault.

YES

The PM connector or the MAIN PWB is fault.

YES

The power unit is fault.

YES

(2) Blinking in green

8-3

Alarm of te mperature 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 sequential order of [POWER ON] → [POWER ON] → [EXIT] → [DISPLAY] and enter the factory adjustment menu. Press the [MENU/ENTER] key to display the FAN SET menu (P2/11).

Is there a display of numerals (almost room temperatures) at the right side of [T1, T2, T3]?

YES

The MAIN PWB is fault.

FAN SET

FAN MODE H CONT ENA – FAN OFF/L – CONT UP – FAN L/M – CONT TIME – FAN M/H – UP STEP 2 SF SAVE 075 DOWN STEP 2 PLE SAVE 070 READ TIME 60 T ALM 095 TEMP LEVEL 1 RET TME 030 PLE TIME 001 T1 030 T2 025 T3 030 T4 – MODE 2 IC ERROR – [MENU/ENTER] NEXT [EXIT] PREV 2/11

Is there a display of [-] for all the numerals at the right side of [T1, T2, T3]?

YES

Are there a 3.3Vdc output at Pin and a  clock signal (3.3Vpp) at Pins and of the  TS in the state that the TS connector is disconnected and the main power supply is turned on?

The TS connector or the SENC PWB is fault.

YES

When a [-] display is presented, the PWB with the symbol shown below is fault. T1: SEND PWB, T2: SENB PWB, T3: SENC PWB

Are there a 3.3Vdc output at Pin and a clock signal (3.3Vpp) at Pins and of the  TR in the state that the TR connector is disconnected and the main power supply is turned on?

YES

The TR connector or the SEND PWB is fault.

Are there a 3.3Vdc output at Pin  and a

clock signal (3.3Vpp) at Pins  and  of the TM in the state that the TM connector is disconnected and the main power supply is turned on?

YES

The TM connector or the SENB PWB is fault.

The MAIN PWB is fault.

Alarm of fan error

8-4

Blinking in green (intervals of

0.5seconds)

Turn off the main power supply.

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

Is the fan running?

(Caution) When alarming is

canceled, [FAN MODE] of FAN SET (P2/11) in the factory adjustment menu automatically moves from [ENA] to [H], thus causing the fan to run.

FAN SET

FAN MODE ENA CONT ENA – FAN OFF/L – CONT UP – FAN L/M – CONT TIME – FAN M/H – UP STEP 2 FAN SAVE 075 DOWN STEP 2 PLE SAVE 070 READ TIME 60 T ALM 095 TEMP LEVEL 1 RET TME 030 PLE TIME 001 T1 030 T2 025 T3 030 T4 – MODE 2 IC ERROR – [MENU/ENTER] NEXT [EXIT] PREV 2/11

FAN SET

FAN MODE H CONT ENA – FAN OFF/L – CONT UP – FAN L/M – CONT TIME – FAN M/H – UP STEP 2 FAN SAVE 075 DOWN STEP 2 PLE SAVE 070 READ TIME 60 T ALM 095 TEMP LEVEL 1 RET TME 030 PLE TIME 001 T1 030 T2 025 T3 030 T4 – MODE 2 IC ERROR – [MENU/ENTER] NEXT [EXIT] PREV 2/11

YES

Is there a voltage output of 11.3Vdc for the 42inch model, and

9.3Vdc for the 61inch models respectively, at Pin 1 of the FA, FB, and FC connectors?

Is there a 3.3Vdc output at Pin  of the FA and FB, FC connectors?

Is there a voltage output of

11.3Vdc for the 42inch model, and

9.3Vdc for the 61inch models, respectively, when the FA connector is disconnected and the mains power is turned ON?

YES

The FAN-A/FAN-B/FAN-C is fault.

Is there a voltage output of

11.3Vdc for the 42inch model, and

9.3Vdc for 61inch models, respectively, when the FB connector is disconnected and the mains power is turned ON?

YES

The FAN-A is fault.

The FAN-B is fault.

YES

The fan is out of order on the side where a 3.3Vdc output is generated.

The MAIN PWB is fault.

(Caution) The FAN-C and FC

Is there a voltage output of

11.3Vdc for 42 inch model, and

9.3Vdc for the 61 inch models, respectively, when the FC connector is disconnected and the mains power is turned ON?

YES

The FAN-C is fault.

connectors are used only for the 61 inch Series.

The MAIN PWB is fault.

(Caution) In the FAN MODE, [ENA] is automatically recovered when the main power is turned OFF → ON.

(3) Blinking in red (Alarm of temperature error)

Since the internal temperature is too high in the product, the temperature protector has been actuated. In such a case, the following actions should be taken immediately:

1. Turn off the main power supply and pull out the power cord from the wall outlet.

2. Wait for about 60 minutes until the temperature in the main unit lowers.

3. Check whether the heat discharge port is covered with dust or the like. If yes, remove the clogging substance.

4. If the unit is used where the ambient temperature is high, it should be moved to an adequate place (air temperature ranging from 5°C to 35°C).

(4) Alternation blinking in red and green (Alarm of PDP error)

(Caution) How to reset the alarming condition

Blinking in red and green

Move the main power setting for OFF → ON.

Is there alternation blinking in red and green?

Turn OFF the main power supply.

With the [Menu] key of the product kept pressed, turn on the main power supply to assume the [Voltage Check Mode].

Pressing the [Input Select] key of the product, turn on the main power supply of the main unit. In this state, keep pressing the [Input Select] key for more than 2 seconds until alarming is canceled. Make confirmation by the method specified below.

Normal

YES

(Caution) When the main power supply is turned on with the

[Menu] key of the product kept pressed, it takes 30 seconds more to assume the state of [blinking in red and green]. In this time period, the following voltage checks should be carried out. If the state of [blinking in red and green] is assumed during this checking, take actions of [Alarm Canceling] and [Voltage Check Mode Setup] again.

Is there a 3.3Vdc output at Pin 94 of IC9501 in the MAIN PWB? (See the PWB Layout Diagram on P4-20.)

Turn ON the main power supply in the state that the AD, PD, and PH connectors are disconnected. In this state, are there the outputs of Vs (170Vdc), Vd (60Vdc), and 5Vdc at the PD/PH connectors as specified in the table at right? In this case, however, no images are generate.

YES

Test PDP Module Area.

YES

The MAIN PWB is fault.

The Power unit is fault.

(Caution) The voltage values of Vd and Vs and also the connector

pin numbers can differ according to the PDP. The method of checking these voltage values is obtainable from [2. Adjustment of the power unit] in the method of adjustment plus the table specified below.

Inch Vs Vd GND 5Vdc GND

42 PD-9pin PD-7pin PD-5pin PH-1pin PH-3pin

PD-9pin

PH-1pin

PD-7pin

PH-4pin

PD-5pin

PH-5pin

PD-4pin

PH-7pin

PD-5pin

PH-5pin

(

(5) Lighting in green, and then in red (Alarm of power voltage error)

Unlike [lighting in red] in the STANDBY mode, [lighting in green] continues for about 30 seconds without any

output of images and audio signals. Since then, the mode turns into [lighting in red].

Lighting in red

Make an OFF → ON setting twice for the main power supply in order to reset the alarming condition.

Is the LED lit in red after it has been lit in green for about 30 seconds?

YES

When the main power supply is turned on in the state that the AD, PD, and PH connectors are disconnected, are there the Vs (170Vdc) and Vd (60Vdc) outputs at Pins - to Pins - of the PD connector and  a 5Vdc output at Pins - of the PH  connector? In this case, is the LED not turned in red after it has been lit in green for about 30 seconds? At that time, however, no ima

ges are generated.

When the main power supply is turned on in the state that the PA and PV connectors are disconnected from one after another, is there a 12Vdc output at Pins - of the PA  connector or the 12Vdc and 6Vdc outputs at Pins and - of the PV connector? In  this case, is the LED not turned in red after it has been lit in green for about 30 seconds?

(Caution) How to reset the alarming condition The

alarming condition can be reset when an OFF→ ON setting is repeated twice for the main power supply in the state that the LED is lit in red. The interval between the first and second settings is not particularly specified.

Normal

YES

Test PDP Module Area.

(Caution) The voltage values of Vd and Vs

can differ according to the PDP. The method of checking these voltage values is obtainable from [2. Adjustment of the power unit] in the method of adjustment.

The MAIN PWB or the

AUDIO PWB is fault.

Is there an output of 3.3Vdc available at Pins

~ and 2.5Vdc at Pins ~ in the  

state that the PA and PV connectors are returned to the former state, the main power is turned ON, and the PN connector is disconnected? In this case, however, this check must be finished in 30 seconds. Otherwise, there will be power tripping on account of an alarm.

YES

The MAIN PWB is fault.

The Power unit or the PN connector is fault.

(8) No pictures [(Caution) The voltage outputs of Vs = 170V and Vd = 64V, 5Vdc are always generated, but the

LED is not flashing or lighting for alarming. However, the voltage values will differ according to the MODULE.]

No picture is displayed.

Make the setting of OFF→ ON for the main power supply.

Does the priming glimpse?

YES

When the AD connector is disconnected, is the LVDS signal normally output to each pin of the AD connector? (For more details of the signal, refer to the descriptions about the connector pins.)

YES

Test PDP Module Area.

The MAIN PWB is fault.

The AD connector or the PDP is fault.

3. Audio errors

(Caution) In regard to the method of audio input setting, refer to the specifications and the instruction

manual to confirm that all the setting is correct. Then, troubleshooting can be carried out. It must be noted that the protector functions and no audio output is available if the opposing electrodes of the speaker output or the speaker output and the ground (GND) are short-circuited. In such a case, turn off the main power supply and make the connections correctly. The protector is reset when the main power supply is turned on after that

Audio errors

In the state that the speaker cable is disconnected, is the audio signal output available at the speaker terminal?

Is the voltage output specified below

available at each pin of the PA connector in the AUDIO PWB?

Pin_NO Name Voltage

1 S+12 12Vdc 2 S+12 12Vdc 3 S+12 12Vdc 4 GND GND 5 GND GND 6 GND GND

YES

Is the waveform specified below output to the AU connector of the AUDIO PWB?

Pin6

Pin7

Pin5

Pin 1,3 • • • Audio signal waveform

5Vpp

3.5Vdc

YES

The speaker or the speaker cable is fault.

The power unit or the PA connector is fault.

The MAIN PWB or the AU connector is fault.

The AUDIO PWB is fault.

YES

4. Remote control not effective

(1) The wired remote control is not effective.

When a single item is used 

The wired remote control is not effective.

Is there a signal output specified below at Pin 7 of the RS connector?

3.3Vpp

Is there a signal output specified below

at Pin 3 of the M2003? (Refer to the PWB layout diagram on Page P4-21.)

5Vpp

When the RS connector is disconnected, is there a signal output specified below at the RS connector of the

MAIN PWB?

Pin No. Pin name Voltage

1 M+5V 5Vdc 5 M+3.3V 3.3Vdc

YES

(Caution) The wired remote control is not effective if the setting

of [PLE LINK], or [Repeat TIMER] is ON, or if the setting of [ID NUMBER] has been made. Therefore, such a setting should be turned off, without. Since then, troubleshooting can be carried out.

YES

The RS connector or the MAIN PWB is fault.

Is there a 3.3Vdc output at Pin 2 of the M2003? (Refer to the PWB layout diagram on Page P4-21.)

YES

The remote control or the remote control cable is fault.

The RS232C PWB is fault.

The RS connector or the MAIN PWB is fault.

YES

The 232C PWB is fault.

When a daisy chain (including the video wall) is used

The wired remote control is not effective.

Are the 0Vdc and 5Vdc outputs respectively available at Pins 9 and 10 of the RS connector in the standard product of 232C PWB?

The MAIN PWB is fault.

Is there a clock signal output at

YES

Pin 3 of the M2004? (Refer to the PWB layout diagram on Page P8-19.)

The 232C PWB is fault.

Check the products of

YES

second and thereafter according to “1 When a single item is used.”

(2) The wireless remote control is not effective.

(Caution) Since the detection of “wired” or “wireless” is conducted for the remote control

through the remote terminal, it is necessary to pull out the remote control cable from the remote terminal. Troubleshooting should be carried out after confirming that “IR REMOTE” is set at ON and that “ID NUMBER” is at ALL according to the user’s menu.

The wireless remote control is not effective.

Is there a 0Vdc output at Pin 12 of the RS connector?

YES

Is there a signal output specified below at Pin 6 of the PW connector?

5Vp-p

Is there a signal output specified below at Pin 1 of the LD connector?

5Vp-p

The LED connector or the LED PWB is fault.

YES

When the RS connector is disconnected, is there a 0Vdc output at Pin 12 of the RS connector in the MAIN PWB?

YES

The 232C PWB or the RS connector is fault.

The MAIN PWB is fault.

The PW connector or the PWR PWB i

s fault.

5. The closed caption (CC) is displayed incorrectly.)

(Note) Only the models for North America. The PCB-5044 (CCD PWB) is not installed in other

Are there voltage outputs of

3.3Vdc and 6.0Vdc as specified in Fig. 1 on next page?

Is there a CLK waveform output (3.3Vp-p) of 27MHz at Point A of Fig. 1, and also a digital waveform output (3.3Vp-p) of H/L at Point B (in 3 places)? In addition, is there an analog video signal waveform output (1Vp-p) at Point C?

Is there a digital waveform output (3.3Vp-p) of H/L at Point D of Fig. 1?

models. Checks are needed by applying a signal output to the video input circuit, which is equivalent to the closed caption.

CC is displayed incorrectly.

In the state that the CCD PWB is dislodged, are there a voltage output

YES

of 6.0Vdc at Pin 3 of the PV connector and 3.3Vdc at Pin 1 of the PN connector in the MAIN PWB?

YES

The CCD PWB is fault.

The MAIN PWB is fault.

YES

The CCD PWB is fault.

The MAIN PWB

is fault.

YES

Is there a digital waveform output (3.3Vp-p) at Point E (in 4 places) of Fig. 1?

YES

The CCD PWB is fault.

The MAIN PWB is fault.

Waveform at Point B/D/E

Check point: Check voltage and see whether a change in H/L is present.

3.3Vp-p

Waveform at Point C

NTSC video signal (with gray scale input)

1Vp-p

3.3V

<Fig. 1 CCD PWB Pattern Diagram>

61 Inch Section (PRO-1410HD & PDP614MX)

Page: Topics Covered:

26 Testing Scan board (Y drive)

27 Testing Scan IC’s and Common

board (X drive)

28 Testing Data IC’s & Digital board

fuse

29~30 PC board replacement (screws &

connector locations)

31~37 Adjustments

38~41 Disassembly

42~43 Parts List

44~49 Connector pin Voltages and Signals

Points of failure diagnosis for a Board Assy (PKG)

The fuses and/or fusible resistors shown in the photos below may be blown by electric surges caused by a failure. In such a case, replace the corresponding PKG.

Failure diagnosis of the Scanning Board (Y-Drive)

Fusible resistor (R12) located at the upper-left corner of the Scanning PKG: Approx. 1.0 Ω (1/2 W)

Fusible resistor (R29) located at the upper-left corner of the Scanning PKG: Approx. 4.7 Ω (1/4 W)

Fusible resistor (R108A) located at the lower-right corner of the Scanning PKG: Approx.

2.2 Ω (1 W)

Fusible resistor (R113) located at the lower-right corner of the Scanning PKG: Aapprox. 4.7 Ω (2 W)

OK: Short-

circuited,

NG: Open

OK: Short-

circuited,

NG: Open

Glass fuses (F1 and F2) located at the upper-left corner of the Scanning PKG

Fusible resistor (R111) located at right center of the Scanning PKG: Approx. 10 Ω (1 W)

Failure diagnosis of the Power IC on the Scanning Board

OK: Short-

circuited,

NG: Open

OK: Short-

circuited,

NG: Open

PH2311

PH2312

(58~62)

(53~56)

(47~51)

(42~45)

(37~40)

(32~35)

PH2311(rear view)

Note: A, D, and E are ground.

(59~62)

(54~57)

52 49

C E

G I

(42)

(38)

(34)

(46)

(43)

(40)

(35)

(32)

PH2312(rear view)

27 30

B C

(14~15)

(23~26)

(28~31)

Result:

Check points

Between A and B Between B and H

Between C and I

Between D and E Between F and G

OK: k Ω or more, NG: Short-circuited

Check points

Between A and B Between C and D

Between E and F

Between G and H Between I and J

OK: k Ω or more, NG: Short-circuited

Note: C and G are ground.

+ 58 hidden pages

PIONEER PDP-424MX Service Manual

Contents

PDP-424MV PCB Layout

Normal Power On Operation