JVC GD-V4210PZW - High Contrast Plasma Display Bedienungsanleitung

SERVICE MANUAL

2004/8

GD-V4210PZW GD-V4210PZW-G

GD-V4210PCE GD-V4211PCE

PLASMA DISPLAY MONITOR

BASIC CHASSIS

Supplementary

TABLE OF CONTENTS

1. CONFIRMING THE MODEL NAME, SERIAL NUMBER, ID NUMBER AND CODE NUMBER

࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮

2. MAIN PARTS LOCATION

࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮㨯࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮㨯࡮࡮࡮

3. INSPECTION OF COMPONENTS ON THE PW BOARD

࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮

4. DISASSEMBLY PROCEDURE

࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮

5. CONFIRMING REFERENCE VOLTAGE

࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮㨯࡮࡮࡮

6. ADJUSTMENTS

࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮

7. PARTS LIST

࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮࡮

NOTES AT THE TIME OF PW BOARD EXCHANGE

These models corresponded to the printed circuit board exchange in the PDP unit.

Therefore, this service manual describes only the information relevant to it.

For details other than those described in this manual, please refer to the GD-V4210PZW,

GD-V4210PZW-G, GD-V4210PCE service manual (No.51767 2000/10) and GD-V4211PCE

(No.51767B 2000/12).

It will become the cause of failure if dust adheres to the inside of a connector, or a flat wire and a

point-of-contact part.

When the PW board is exchanged, be careful of the dust and dirt of the inside of a connector, or

a flat wire and a point-of-contact part enough.

Revised 29/9/2004 Web 

link on page 8 corrected.

2(No.51767D)

عCONFIRMING MODEL NAME, SERIAL NUMBER, ID NUMBER AND CODE

NUMBER

عMAIN PARTS LOCATION

CODE : AA

NOTE : The panel's ID number is used when you reference the characteristic voltage value of the panel

on web site.

Voltage and CODE No.

For example

Model name and serial No.

For example

Model : NP42B1MF03AA

Serial No. : 001200456 (9 figures)

212912220251

PANEL ID No.

(12 figures)

SERIAL NO.

001200456

Vd=70V

Vs=182.1V

CODE AA-01

NEC

NP42B1MF03AA

001200456

**********************

COMMON PWB

RECOVERY RELAY

PWB

DIGITAL PWB

SIGNAL RELAY

PWB (upper left)

SIGNAL RELAY

PWB (lower left)

SCAN PWB

Flexible cable

Common-side A

Flexible cable

Data-side

Data IC

Flexible cable

Data-side

Flexible cable

Common-side B

Flexible cable

Common-side C

Flexible cable

Scan-side A

Scan IC A

Scan IC B

Scan IC C

Scan IC D

Flexible cable

Scan-side B

Flexible cable

Scan-side C

Flexible cable

Scan-side D

SIGNAL RELAY PWB (upper right)

SIGNAL RELAY PWB (lower right)

(No.51767D)3

1. INSPECTION OF FUSES

Measure the resistance of each fuse with a circuit tester, and check OK or NG.

2. INSPECTION OF ALARM LINES

According to the following procedures, measure with a circuit tester and check OK or NG.

عINSPECTION OF COMPONENTS ON THE PW BOARD

Diagnose the PW board in PDP unit by checking defects based on the following items.

1.1 Glass fuses (F1, F2) on the COMMON PWB 1.2 Glass fuses (F1, F2) on the SCAN PWB

OK: Short

NG: Open

OK: Short

NG: Open

R109

OK: Approx. 2ǡ

NG: Open

R101

OK: Approx. 2ǡ

NG: Open

1.4 Fuse resistance (R109) on the COMMON PWB1.3 Fuse resistance (R101) on the COMMON PWB

OK: Short

NG: Open

OK: Short

NG: Open

OK: Short

NG: Open

OK: Short

NG: Open

2.1 The conductio n betwee n the pin 30 of the

connecto r [CN4] and GND on the SIGNA L

RELAY PWB (upper left)

2.2 The conductio n betwee n the pin 30 of the

connecto r [CN5] and GND on the SIGNAL

RELAY PWB (lower right)

2.3 The conduction between the pins of CN3 on

the scan IC [A]

2.4 The conduction between the pins of CN3 on

the scan IC [D]

R101

R109

GND

㧲1㧲2

GND

4(No.51767D)

3. INSPECTION OF DATA ICS

According to the following procedures, measure with a circuit tester and check OK or NG.

4. INSPECTION OF POWER ICS

According to the following procedures, measure with a circuit tester and check OK or NG.

COMMON PWB SCAN PWB

The allocation of power ICs to be checked is shown below.

Check the pin 4 or pin 5 of the connector [CN8] on the SIGNAL RELAY PWB (lower left).

OK: Open

NG: Short

Detac h the connecto r [CN8] or [CN9 ] on each of the SIGNA L

RELAY PWB s (for exampl e : lowe r left board ) and chec k the

conduction between the pin 4 (or pin 5) and the ground.

In case of "short" , one of the data ICs connectin g the SIGNAL

RELAY PWB may be defective, and you should check whether

ther e is an y trac e of damag e on th e dat a IC' s surfac e afte r

removing the heat-sink on the data IC.

PH2001

PH2001 PH2002

PH2003

PH2004

(No.51767D)5

Check each point of power IC as shown below.

4.1 PH2001 on the COMMON PWB

OK: Over 1kǡ

NG: Short

Between

A - B

B - C

D - E

Check each point of power IC as shown below.

4.2 PH2001 on the SCAN PWB

Check point

OK: Over 1kǡ

NG: Short

Check point

Between

A - B

B - C

D - E

PH2001

6(No.51767D)

Check each point of power IC as shown below.

4.3 PH2002 on the SCAN PWB

OK: Over 1kǡ

NG: Short

Turn over the board and check each point of power IC as shown below.

4.4 PH2003 on the SCAN PWB

Turn over the board and check each point of power IC as shown below.

4.5 PH2004 on the SCAN PWB

Check point

OK: Over 1kǡ

NG: Short

Check point

OK: Over 1kǡ

NG: Short

Between

A - B

C - D

Check point

Between

A - B

Between

A - B

C - D

PH2002

PH2003

PH2004

PH2003

(No.51767D)7

5. INSPECTION OF SCAN IC DRIVERS

According to the following procedures, measure and check OK or NG.

NEGA

POSI

NEGA POSI OUT

Between NEGA - POSI

OK: Over 1kǡ

NG: Short

5.1 Scan IC drivers [A-D]

Check each point

with a circuit tester

as shown below

Check point

Measure the waveform of each point

with a oscilloscope

as shown below

NEGA

POSI

Scan IC

Out

NEGA

POSI

Scan IC

8(No.51767D)

عDISASSEMBLY PROCEDURE

1. Removing the COMMON PWB

(1) Detach the 7 connectors.

(2) Remove the 8 screws [A].

(3) Remove the COMMON PWB.

2. Removing the DIGITAL PWB

(1) Detach the 6 connectors.

(2) Remove the 6 screws [B].

(3) Remove the DIGITAL PWB.

3. Removing the SCAN PWB

(1) Detach the 11 connectors.

(2) Remove the 7 screws [C].

(3) Remove the SCAN PWB.

4. Removing the SIGNAL RELAY PWB (upper left)

(1) Detach the 6 connectors.

(2) Remove the SIGNAL RELAY PWB (upper left).

5. Removing the SIGNAL RELAY PWB (upper right)

(1) Detach the 7 connectors.

(2) Remove the SIGNAL RELAY PWB (upper right).

6. Removing the SIGNAL RELAY PWB (lower left)

(1) Detach the 7 connectors.

(2) Remove the SIGNAL RELAY PWB (lower left).

7. Removing the SIGNAL RELAY PWB (lower right)

(1) Detach the 7 connectors.

(2) Remove the SIGNAL RELAY PWB (lower right).

Notes : Check the state of the detached cables and connectors.

(1) Check any dirt or peeling in the contact part of the flat cable, and any crack, crease, disconnection

and short-circuit of wires.

(2) Check any foreign substance in the connector's contact .

(3) Check the state of plugging the flat cable into the connector, and confirm it locks completely.

: Connector

COMMON

PWB

SCAN PWBDIGITAL PWB

SIGNAL RELAY PWB

(upper left)

SIGNAL RELAY PWB

(upper right)

SIGNAL RELAY PWB

(lower right)

SIGNAL RELAY PWB

(lower left)

(No.51767D)9

عCONFIRMING REFERENCE VOLTAGE

1. Getting the characteristic voltage value of the PDP unit

1.1 Access the following address by the Web browser of

your PC.

http://203.126.119.92/necnpd/

1.2 After [NEC-ITLS] screen is displayed, click "Click here

to log on to NPD". (Fig. 1)

1.3 Type the following user name and password into the

dialog box and click "Enter" button. (Fig. 2)

Username: JVCJPN01

Password: jvckoseki (lower-case)

1.4 After [WELCOME TO NEC-ITLS] is displayed (Fig. 3),

click the "Voltage" icon in the "Enquiry" holder on the

upper left part of the window. (Fig. 4)

1.5 After [VOLTAGE ENQUIRY] is displayed (Fig. 5), enter

the panel ID number, which is shown on the panel

(refer to page 2), into the dialog box and click "GO".

1.6 Then, the characteristic voltage value will be displayed.

(Fig. 6)

Fig. 5

Fig. 6 Fig. 4

Fig. 3

Fig. 2

Fig. 1

Each PDP panel has the characteristic voltage value.

In the adjustment after fix or exchange of a PW board,

this voltage value is used as reference.

You can get it from the vendor's web site on the Internet.

10(No.51767D)

عADJUSTMENTS

Item Measuring

instrument Test point Adjustment part Description

Vsw

VOLTAGE

ADJUSTMENT

DC voltmeter CN8

-pin 10

GND

[COMMON PWB]

VR101

[COMMON PWB]

(1) Measur e the voltag e betwee n the pin 10

ޓof th e connecto r [CN8 ] an d GN D on th e 

ޓCOMMON PWB.

(2) Adjus t the voltag e same as the referenc e

ޓdata of Vsw shown in web site by VR101.

The adjustment accuracy is within r0.5V.

(1) Measur e the voltag e betwee n the pin 3 of

ޓth e connecto r [CN2 ] an d GN D on th e 

ޓSCAN PWB.

(2) Adjus t the voltag e same as the referenc e

ޓdata of Vbw shown in web site by VR2.

The adjustment accuracy is within r0.5V.

(3) Measur e the voltag e betwee n the pin 8 of

ޓCN2 and GND on the SCAN PWB.

(4) Adjus t the voltag e same as the referenc e

ޓdata of Vp+ shown in web site by VR1.

The adjustment accuracy is within r1.5V.

Vbw / Vp+

VOLTAGE

ADJUSTMENT

DC voltmeter CN2

-pin 3(Vbw)

-pin 8 (Vp+)

GND

[SCAN PWB]

VR2 (Vbw)

VR1 (Vp+)

[SCAN PWB]

Vsw

CN8

VR101

CN2

VR2

VR1 Vbw

Vp+

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