LG MT/MZ-60PZ12/14 Schematic

PLASMA MONITOR

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : NP-00KB

MODEL : MT/MZ-60PZ12/B

MODEL : MT/MZ-60PZ14/B

website:http://biz.LGservice.com

e-mail:http://www.LGEservice.com/techsup.html

- 2 -

CONTENTS

Contents ................................................................................................................. 2

Safety Precautions ............................................................................................3

Specifications ..................................................................................................... 4

Control Descriptions ........................................................................................ 5

Adjustment Instructions ............................................................................... 9

Trouble Shooting ............................................................................................... 11

Block Diagram .................................................................................................... 13

Exploded View .................................................................................................. 16

Exploded View Parts List ..............................................................................17

Replacement Parts List ................................................................................ 18

SVC. Sheet ................................................................................................................

- 3 -

SAFETY PRECAUTIONS

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in
the Schematic Diagram and Replacement Parts List.
It is essential that these special safety parts should be replaced with the same components as recommended in this manual to
prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.

General Guidance

An lsolation Transformer should always be used during
the servicing of a receiver whose chassis is not isolated from
the AC power line. Use a transformer of adequate power rating
as this protects the technician from accidents resulting in
personal injury from electrical shocks.

It will also protect the receiver and it's components from being
damaged by accidental shorts of the circuitary that may be
inadvertently introduced during the service operation.

If any fuse (or Fusible Resistor) in this monitor is blown, replace
it with the specified.

When replacing a high wattage resistor (Oxide Metal Film
Resistor, over 1W), keep the resistor 10mm away from PCB.

Keep wires away from high voltage or high temperature parts.

Due to high vacuum and large surface area of picture tube,
extreme care should be used in handling the Picture Tube.
Do not lift the Picture tube by it's Neck.

Leakage Current Cold Check(Antenna Cold Check)

With the instrument AC plug removed from AC source,
connect an electrical jumper across the two AC plug prongs.
Place the AC switch in the on positioin, connect one lead of
ohm-meter to the AC plug prongs tied together and touch other
ohm-meter lead in turn to each exposed metallic parts such as
antenna terminals, phone jacks, etc.
If the exposed metallic part has a return path to the chassis, the
measured resistance should be between 1MΩ and 5.2MΩ.
When the exposed metal has no return path to the chassis the
reading must be infinite.
An other abnormality exists that must be corrected before the
receiver is returned to the customer.

Leakage Current Hot Check (See below Figure)

Plug the AC cord directly into the AC outlet.

Do not use a line Isolation Transformer during this check.

Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitor
between a known good earth ground (Water Pipe, Conduit, etc.)
and the exposed metallic parts.
Measure the AC voltage across the resistor using AC
voltmeter with 1000 ohms/volt or more sensitivity.
Reverse plug the AC cord into the AC outlet and repeat AC
voltage measurements for each esposed metallic part. Any
voltage measured must not exceed 0.75 volt RMS which is
corresponds to 0.5mA.
In case any measurement is out of the limits sepcified, there is

possibility of shock hazard and the set must be checked and
repaired before it is returned to the customer.

Leakage Current Hot Check circuit

1.5 Kohm/10W

To Instrument's
exposed
METALLIC PARTS

Good Earth Ground
such as WATER PIPE,
CONDUIT etc.

AC Volt-meter

IMPORTANT SAFETY NOTICE

0.15uF

- 4 -

SPECIFICATIONS

Note : Specification and others are subject to change without notice for improvement.

O Video receiving system:

PAL
SECAM
NTSC-M
NTSC 4.43

O Input Voltage : AC 110~240V, 50/60Hz(MT-)

AC 200~240V, 50/60Hz(MZ-)

O Power consumption : Max 750W

Stand-By : 5W

O PDP Module : PDP60WXDP4

O Speaker Impedance : 8 ohm

O Feature : AV Input

Component Input
RGB Input
External SPK Out
RGB/ Control Input
S-Video Input

O Funtion : Auto Picture

DASP
AVL
PIP
SSC

O External Interface

Item

Video Input Level

Video Input Frequency Response

Video Input S/N

S Video Input Level(Y)

S Video Input Level(C-Burst)

Audio Input Level

Audio Input Frequency Response

Audio Input S/N

Audio Input Distortion

Audio Input Dynamic Range

Component Video Input Level

R/G/B Video Input Level

Min

0.9
5

40

0.85

0.143

0.3

0.08
40

2

0.6

0.6

Typ

1

1

0.4

0.7

0.7

Max

1.1

1.15

0.286

0.5
7

2

0.8

0.8

Unit
Vpp
Mhz

dB
Vpp
Vpp

Vrms

kHz

dB

%

V
Vpp
Vpp

REsolution

640*480
640*480

704*480
1280*720
1280*720

1920*1080
1920*1080

H-Freq(Khz)

15.73

15.63

31.47

45.00

44.96

33.75

33.72

V-Freq(hz)

60
50

59.94

60.00

59.94

60.00

59.94

Proposed
SDTV,DVD 480I
SDTV,DVD 480I

SDTV 480P

HDTV 720P

HDTV 720P

HDTV 1080I

HDTV 1080I

Component Video Input

RGB Input(PC/DTV)

PC

REsolution

640*350
640*350
720*400
720*400
640*480
640*480
640*480
640*480
640*480
640*480
640*480
640*480
800*600
800*600
800*600
800*600
800*600
800*600
800*600

832*624
1024*768
1024*768
1024*768
1024*768
1280*724

1152*864

1152*864

1152*864

1152*864

1152*870
1280*960
1280*960

1280*1024
1280*1024

H-Freq(hz)

31.469

37.861

31.469

37.927

31.469

35.000

37.861

37.500

43.269

45.913

53.011

64.062

35.156

37.879

48.077

46.875

53.674

56.000

64.016

49.725

48.363

56.476

60.023

68.677

52.400

54.348

63.995

67.500

77.487

68.681

60.000

75.000

63.981

79.976

V-Freq(hz)

70.09

85.08

70.08

85.03

59.94

66.66

72.80

75.00

85.00

90.03

100.04

120.00

56.25

60.31

72.18

75.00

85.06

90.00

100.00

74.55

60.00

70.06

75.02

84.99

69.98

60.05

70.01

75.00

85.05

75.06

60.00

75.00

60.02

75.02

Pixel clock

70.09

85.08

70.08

85.03

59.94

66.66

72.80

75.00

85.00

90.03

100.04

120.00

56.25

60.31

72.18

75.00

85.06

90.00

100.00

74.55

60.00

70.06

75.02

84.99

88.87

60.05

70.01

75.00

85.05

75.06

108.00

129.60

108.00

135.00

Proposed

EGA
EGA
DOS
DOS

VESA(VGA)

Macintosh
VESA(VGA)
VESA(VGA)
VESA(VGA)
VESA(VGA)
VESA(VGA)
VESA(VGA)

VESA(SVGA)
VESA(SVGA)
VESA(SVGA)
VESA(SVGA)
VESA(SVGA)
VESA(SVGA)
VESA(SVGA)

Macintosh
VESA(XGA)
VESA(XGA)
VESA(XGA)
VESA(XGA)

HD70Hz(Just scan)

VESA(SXGA)
VESA(SXGA)
VESA(SXGA)
VESA(SXGA)
VESA(SXGA)
VESA(SXGA)
VESA(SXGA)
VESA(SXGA)
VESA(SXGA)

REsolution

704*480
1280*720
1280*720

1920*1080
1920*1080

H-Freq(Khz)

31.47

45.00

44.96

33.75

33.72

V-Freq(hz)

59.94

60.00

59.94

60.00

59.94

Pixel clock

Proposed
SDTV 480P
HDTV 720P
HDTV 720P
HDTV 1080I
HDTV 1080I

DTV

- 5 -

CONTROL DESCRIPTIONS

ON/OFF

ON/OFF

INPUT
SELECT

VOLUME

INPUT

SELECT

VOLUME

<Front Panel>

Main power button

INPUT SELECT button

Sub power button

VOLUME (FF,GG) buttons

Power standby indicator

Illuminates red in standby
Illuminates green when the
Monitor is switched on

Remote control sensor

- 6 -

(+) ( ) (+)( )

(+)

( )

(+)( )

AUDIO

(MONO)

R L VIDEO Y P

B R

P

AV INPUT

AUDIO

R L

R

L

EXTERNAL SPEAKER (8Ω) AC INPUTAUDIO INPUT

RS-232CS-VIDEO

COMPONENT(480i/480p)

RGB-PC INPUT

(VGA/SVGA/XGA/SXGA)

AUDIO

(MONO)

R L

AV INPUT

S-VIDEO

COMPONENTI(480i/480p)

(DVD INPUT)

RGB-PC INPUT

R

AUDIO INPUT

EXTERNAL SPEAKER 8Ω

R L

AC INPUT

L

AUDIO

(VGA/SVGA/XGA/SXGA)

VIDEO

Y P

BPR

(DVD INPUT)

RS-232C

AV INPUT /
COMPONENT (480i/480p)
(DVD INPUT) SOCKETS

EXTERNAL SPEAKER
(8 ohm output)

RGB-PC INPUT (VGA/SVGA/XGA/SXGA)/
AUDIO INPUT/
RS-232C jacks

POWER INPUT
SOCKET

This Monitor operates
on an AC mains supply,
the voltage is as indicat­ed as inside back cover
of this manual. Never
apply DC power to the
Monitor.

<Back Panel>

- 7 -

Optional Extras

AP-60WA20M series

(Tilt wall mounting bracket)

AP-60WA10 series

(Wall mounting bracket)

AP-60CA10 series

(Ceiling mounting bracket)

AP-60FA10 series

(Floor type stand)

AP-60DA10 series

(Desktop stand)

AP-60SA10 series

(Speakers)

AP-60SA10D series

(Speaker stand)

AP-60SA10F series

(Floor type speaker stand)

Video cables

Audio cables

P

B

Y

R

P

R L

AUDIO VIDEO

(MONO)

AV INPUT

S-VIDEO

(DVD INPUT)

COMPONENT (480i/480p)

AP-60EA21 (interface board)

- Optional extras can be changed or modified for quality improvement without any notification new
optional extras can be added.

- Contract your dealer for buying these items.

- 8 -

Controls of the remote control

- When using the remote control aim it at the remote control sensor of the Monitor.

POWER

SLEEP INPUT SELECT

PSM SSM

ARC STILL

PIP TWIN PICTURE

PIP INPUT

MENU MUTE

OK

VOL

POWER STOP

PLAY FF

REC

REW

P/STILL

VOL

POSITION

POWER

SLEEP

PSM
ARC

PIP

PIP INPUT

MENU

OK

VCR BUTTONS

controls a LG video cassette

recorder.

VOLUME (FF, GG)

INPUT SELECT
SSM
STILL

POSITION

DD/ EE

selects a menu item.

MUTE

switches the sound on or off.

TWIN PICTURE

INPUT SELECT button on the
remote control

Each press of this button changes
the mode as below.

Component

Video

RGB

- 9 -

1. Application Object

These instructions are applied to all of the PDP monitor, NP­00KB.

2. Notes

(1) Because this is not a hot chassis, it is not necessary to use

an isolation transformer. However, the use of isolation

transformer will help protect test instrument.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of

25±5°C of temperature and 65±10% of relative humidity if

there is no specific designation.
(4) The input voltage of the receiver must keep 220V, 60Hz in

adjusting.
(5) The receiver must be operated for about 15 minutes prior

to the adjustment.

¤ After receiving 100% white pattern(06CH), the receiver

must be operate prior to adjustment.(Or white condition
in HEAT-RUN mode)

¤ŁEnter into HEAT-RUN mode

- Select the 2.W/B by pressing ADJ button on Remote
Control for adjustment. And press the VOL + button.

- Press the VOL + button in HEAT-RUN.

(OSD display HEAT-RUN WHITE and screen display
100% full WHITE PATTERN)

¤ØSet is activated HEAT-RUN without signal generator in

this mode.

[ Single color pattern of HEAT-RUN mode uses to check

PANEL.(RED/BLUE/GREEN)

[Caution] If you turn on a still screen more than 20 minutes, a

afterinage may be occur in the black level part of the
screen.

3. POWER PCB Assy Voltage Adjustment

[ Replace PDP Module or Power Board, adjust certainly Power

PCB Assy Voltage.

3-1. Test Equipment

D.M.M 1EA

3-2. Connection Diagram for Measuring

Refer to Fig 1.

3-3. Adjustment Method

(1) PFC Adjustment

¤ After receiving 100% white pattern, HEAT-RUN.
¤ŁConnect TP PFC+ and TP PFC-(GND) to D.M.M.
¤ØTurning VR801, adjustment is 380V(±1V).

(2) Va Adjusment

¤ Connect pin 1 of P814 to (+) jack of D.M.M.
¤ŁAfter turning the VR803(Va Adj), voltage of D.M.M

adjustment as same as Va voltage which on label of
panel left/top.(Deviation : ±0.5V)

(3) Vs Adjustment

¤ Connect pin 9 of P803 to (+) jack of D.M.M.
¤ŁAfter turning the VR804(Vs Adj), voltage of D.M.M

adjust as same as Vs voltage which indicated on label
of panel left/top.(Deviation : ±0.5V)

4. Adjustment White Balance

4-1. Required Equipment

Color analyzer(CA-100 or same production)

4-2. Connection Diagram of Equipment for

Measuring

[ After stop the Micom by pressing IN-START Key on Remote

Control, insert the P1002 with automatic adjustment of
connector.
After remove connector, move the Micom by pressing ENTER
Key.

ADJUSTMENT INSTRUCTIONS

<Fig 1> Connection Diagram of Power Adjustment for Measuring

COLOR

ANALYZER

TYPE; CA-100

Window

CVBS Signal Input

High Light

75±6cd/m2

Low Light

15±3cd/m2

PDP MONITOR

MSPG-2100 or
MSTG-5200

<Fig 2> Connection Diagram of Automatic Adjustment

- 10 -

4-3. Adjustment of White Balance

• Operate the Zero-calibration of the CA—100, then stick
sensor to PDP module surface when you adjust.

• For manual adjustment, it is also possible by the following
sequence.

(1) Select WHITE PATTERN of HEAT RUN mode by pressing

ADJ button on Remote Control for adjustment then operate
HEAT RUN more than 15 minute.

(2) Supply 10 step gray scale bar signal in pattern generater.

(A/V Input)

(3) To adjust Low Light, stick sensor to 9th pattern(Dark),

select the W/B by pressing ADJ button on Remote Control
for adjustment and press the VOL + button enter
Adjustment Mode.
After select the G cut and B cut, press the VOL +/- Key
and adjust it until color coordination becomes (R cut
fixation)
color coordination : X=0.283±0.005, Y=0.295±0.005
color temperature : 9,600

cK ± 500cK

(4) To adjust High Light, stick sensor to 2th pattern(White),

select the W/B by pressing ADJ button on Remote Control
for adjustment and press the VOL + button enter
Adjustment Mode.
After select the R GAIN and G GAIN, press the VOL +/­Key and adjust it until color coordination becomes (B GAIN
fixation)
color coordination : X=0.283±0.005, Y=0.295±0.005
color temperature : 9,600cK ± 500cK

(5) Confirm the result of the High Light adjustment.

If the deviation of High Light occur, operate the adjustment
of Low Light and High Light again.

(6) Exit adjustment mode using Enter button.

- 11 -

TROUBLESHOOTING

1. No Video

2. No Sound

Abnormal Picture

Input PC signal.

Normal

Abnormal

Check CXA2101

IC203

Normal

Check ADV7123

IC406

Check JAGASM

IC501

Check SII150

IC901

Check cable of pin 21

P901

Normal

Check FLI2220

IC404

Normal

Check FLI2200

IC403

Normal

Check VPC3230

IC201

Normal

Check Input jack & Connector.

Check connector

speaker to set.

Check MSP3401

IC601

Check LA4282

IC603

Check Input

Jack.