JVC HD-61Z585, HD-52Z585 User Manual

Download

Page 1

52096200302

REVISED

SERVICE MANUAL

REAR PROJECTION TELEVISION

HD-52Z575, HD-52Z585, HD-61Z575, HD-61Z585

BASIC CHASSIS

T A B L E O F C O N T E N T S

1 PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

4 ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23

5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-34

RP2

No.YA092B

2004/8

Page 2

SPECIFICATION

Contents

Items

Dimensions (W x H x D) 126.4cm x 91.4cm x 41.2cm

(49-7/8" x 36 x 16-1/4")

Mass 37.8kg (84lbs) 44.3kg (98lbs) TV RF System CCIR (M) Color System NTSC Sound System BTSC (Multi Channel Sound) Teletext System Closed Caption (T1-T4 / CC1-CC4)

VHF Low

VHF High

TV Receiving Channels and Frequency

TV / CATV Total Channel 180 Channels Intermediate Frequency Color Sub Carrier 3.58MHz

Power Input AC120V, 60Hz Power Consumption 195W (Max) Projection Source 110W High-pressure mercury lamp Projection Device D-ILA device (Reflection active matrix type LCD) x 3(R / G /B) Resolution Total=H:1312 x V:800 [ Effective =H:1280 x V:720 ] Screen Transparent screen (unitized fresnel lens / lenticular lens), aspect ratio 16:9

Screen Size 52" (132cm) Measured diagonally

Speaker 10cm round x 2 (Oblique corn) Audio Power Output 10W+10W Antenna Terminal (VHF/UHF) 75Ω unbalanced, coaxial, F-type connector x 1

External Input [INPUT-1/2/3/4]

Digital Input Video

Audio Output (VARI/FIX) VARI : More than 0 to 1000mV(rms) (+2.2dBs)

Sub woofer Output More than 0 to 1000mV(rms) (+2.2dBs) (RCA pin jack x1) Center channel Input 500mV(rms) (-4dBs), high impedance (RCA pin jack x1) AV Compulink lll 3.5mm mini jack x 1 Remote Control Unit RM-C15G (AA/R6/UM-3 battery x 2)

Design & specifications are subject to change without notice.

1-2 (No.YA092B)

Component Video

Video IF

Sound IF

S-Video

[INPUT-1/3/4]

[INPUT-1/2]

720p/1080i

480p/480i

54MHz~88MHz (02ch~06ch) 174MHz~216MHz (07ch~13ch)

UHF

470MHz~806MHz (14ch~69ch)

CATV 54MHz~804MHz

Low Band : 02~06 by 02~06 High Band : 07~13 by 07~13 Mid Band : A~I by 14~22 Super Band : J~W by 23~36 Hyper Band : W+1~W+28 by 37~64 Ultra Band : W+29~W+84 by 65~94, 100~125 Sub Mid Band : A-8, A-4~A-1 by 01, 96~99

45.75MHz

41.25MHz (4.5MHz)

H:115.1cm(45-3/8") x V:64.8cm(25-5/8")

Video

1V(p-p), 75 Ω, negative sync (RCA pin jack x 4)

Audio

500mV(rms) (-4dBs), high impedance (RCA pin jack x 8) Mini-DIN 4pin connector x 3 Y: 1V(p-p), positive, 75Ω, negative sync C: 0.286V(p-p) (burst signal) RCA pin jack x 6

Y: 1V(p-p), (Sync signal : ±0.35V, 3-value sync.), 75Ω Pb/Pr : ±0.35V, 75Ω Y: 1V(p-p), positive (negative sync), 75Ω Pb/Pr : 0.7V(p-p), 75Ω HDMI connector x 1 (This Digital-in terminal is not compatible with picture signals of personal computer.) HDMI connector

Audio

Digital : HDMI connector Analog : 500mV(rms) (-4dBs), high impedance (RCA pin jack x 2)

FIX : 500mV(rms) (-4dBs), low impedance (1kHz when modulated 100%) (RCA pin jack x 2)

HD-52Z575 HD-52Z585

HD-61Z575 HD-61Z585

145.6cm x 104.2cm x 47cm (57-3/8" x 41 x 18-1/2")

61" (155cm) Measured diagonally H:135cm(53-1/4") x V:76cm(30")

Page 3

SECTION 1

PRECAUTIONS

1.1 SAFETY PRECAUTIONS

(1) The design of this product contains special hardware, many circuits

and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Service should be performed by qualified personnel only.

(2) Alterations of the design or circuitry of the products should not be

made. Any design alterations or additions will void the manufacturer's warranty and will further relieve the manufacturer of responsibility for personal injury or property damage resulting therefrom.

(3) Many electrical and mechanical parts in the products have special

safety-related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts that have these special safety characteristics are identified in the parts list of Service manual. Electrical components having such features are

identified by shading on the schematics and by ( ) on the parts list in Service manual. The use of a substitute replacement which

does not have the same safety characteristics as the recommended replacement part shown in the parts list of Service manual may cause shock, fire, or other hazards.

(4) Use isolation transformer when hot chassis.

The chassis and any sub-chassis contained in some products are connected to one side of the AC power line. An isolation transformer of adequate capacity should be inserted between the product and the AC power supply point while performing any service on some products when the HOT chassis is exposed.

(5) Don't short between the LIVE side ground and ISOLATED

(NEUTRAL) side ground or EARTH side ground when repairing.

Some model's power circuit is partly different in the GND. The difference of the GND is shown by the LIVE : ( ) side GND, the ISOLATED(NEUTRAL) : ( ) side GND and EARTH : ( ) side GND. Don't short between the LIVE side GND and ISOLATED(NEUTRAL) side GND or EARTH side GND and never measure with a measuring apparatus (oscilloscope etc.) the LIVE side GND and ISOLATED(NEUTRAL) side GND or EARTH side GND at the same time. If above note will not be kept, a fuse or any parts will be broken.

(6) The high voltage applied to the picture tube must conform with that

specified in Service manual. Excessive high voltage can cause an increase in X-Ray emission, arcing and possible component damage, therefore operation under excessive high voltage conditions should be kept to a minimum, or should be prevented. If severe arcing occurs, remove the AC power immediately and determine the cause by visual inspection (incorrect installation, cracked or melted high voltage harness, poor soldering, etc.). To maintain the proper minimum level of soft X-Ray emission, components in the high voltage circuitry including the picture tube must be the exact replacements or alternatives approved by the manufacturer of the complete product.

(7) If any repair has been made to the chassis, it is recommended that

the B1 setting should be checked or adjusted (See ADJUSTMENT OF B1 POWER SUPPLY).

(8) Do not check high voltage by drawing an arc. Use a high voltage

meter or a high voltage probe with a VTVM. Discharge the picture tube before attempting meter connection, by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kΩ 2W resistor to the anode button.

(9) When service is required, observe the original lead dress. Extra

precaution should be given to assure correct lead dress in the high voltage circuit area. Where a short circuit has occurred, those components that indicate evidence of overheating should be replaced. Always use the manufacturer's replacement components.

(10) Isolation Check

(Safety for Electrical Shock Hazard) After re-assembling the product, always perform an isolation check on the exposed metal parts of the cabinet (antenna terminals, video/audio input and output terminals, Control knobs, metal cabinet, screwheads, earphone jack, control shafts, etc.) to be sure the product is safe to operate without danger of electrical shock.

a) Dielectric Strength Test

The isolation between the AC primary circuit and all metal parts exposed to the user, particularly any exposed metal part having a return path to the chassis should withstand a voltage of 1100V AC (r.m.s.) for a period of one second.

(. . . . Withstand a voltage of 1100V AC (r.m.s.) to an appliance

rated up to 120V, and 3000V AC (r.m.s.) to an appliance rated 200V or more, for a period of one second.) This method of test requires test equipment not generally found in the service trade.

b) Leakage Current Check

Plug the AC line cord directly into the AC outlet (do not use a line isolation transformer during this check.). Using a "Leakage Current Tester", measure the leakage current from each exposed metal part of the cabinet, particularly any exposed metal part having a return path to the chassis, to a known good earth ground (water pipe, etc.). Any leakage current must not exceed 0.5mA AC (r.m.s.). However, in tropical area, this must not exceed 0.2mA AC (r.m.s).

• Alternate Check Method

Plug the AC line cord directly into the AC outlet (do not use a line isolation transformer during this check.). Use an AC voltmeter having 1000 following manner. Connect a 1500

Ω per volt or more sensitivity in the

Ω 10W resistor paralleled

by a 0.15µF AC-type capacitor between an exposed metal part and a known good earth ground (water pipe, etc.). Measure the AC voltage across the resistor with the AC voltmeter. Move the resistor connection to each exposed metal part, particularly any exposed metal part having a return path to the chassis, and measure the AC voltage across the resistor. Now, reverse the plug in the AC outlet and repeat each measurement. Any voltage measured must not exceed 0.75V AC (r.m.s.). This corresponds to

0.5mA AC (r.m.s.). However, in tropical area, this must not exceed 0.3V AC (r.m.s.). This corresponds to 0.2mA AC (r.m.s.).

AC VOLTMETER (HAVING 1000 /V, OR MORE SENSITIVITY)

0.15 F AC-TYPE

PLACE THIS PROBE

GOOD EARTH GROUND

1500 10W

ON EACH EXPOSED ME TAL PART

(11) High voltage hold down circuit check.

After repair of the high voltage hold down circuit, this circuit shall be checked to operate correctly. See item "How to check the high voltage hold down circuit".

This mark shows a fast operating fuse, the letters indicated below show the rating.

A V

POWER CORD REPLACEMENT WARNING.

Connecting the white line side of power cord to "WHT" character side.

PWB

White line side

WHT

(No.YA092B)1-3

Page 4

1.2 INSTALLATION

OFF ON

1.2.1 HEAT DISSIPATION

If the heat dissipation vent behind this unit is blocked, cooling efficiency may deteriorate and temperature inside the unit will rise. The temperature sensor that protects the unit will be activated when internal temperature exceeds the predetermined level and power will be turned off automatically. Therefore, please make sure pay attention not to block the heat dissipation vent as well as the ventilation outlet behind the unit and ensure that there is room for ventilation around it.

Do not put foreign objects near the ventilation holes as this can result in fire or electrical hazards.

Do not block the ventilation holes as this may cause the internal temperature to rise and possibly result fire.

1.2.2 INSTALLATION REQUIREMENTS

Ensure that the minimal distance is maintained, as specified below, between the unit with and the surrounding walls, as well as the floor etc. Install the unit on stable flooring. Take precautionary measures to prevent the unit from tipping in order to protect against accidents and earthquakes.

CAUTION FOR INSTALLATION

• Do not tilt the TV towards the left or right, or toward the back.

• Install the TV in a corner on the floor so as to keep cords out of the way.

• The TV will generate a slight amount of heat during operation. Ensure that sufficient space is available around the TV to allow satisfactory cooling.

150mm

Intake hole

VENTILATION POSITION

200mm

150mm

Exhaust hole

200mm

50mm

1-4 (No.YA092B)

Page 5

1.3 LAMP UNIT HANDLING CAUTION

LAMP UNIT : TS-CL110UAA

1.3.1 PRECAUTION FOR LAMP UNIT The lamp emits high intensity white, ultraviolet and infrared

light. Do not look directly at the light during service.

Also, do not touch the lamp directly as it presents a burn

hazard.

Handle with extra care. This lamp emits high heat and contains high-pressure during use. Do not give any impact as this may cause the broken lamp.

1.3.2 HOW TO CONFIRM LAMP OPERATING TIME

(1) Set to 0 minutes using the [SLEEP TIMER] key. (2) Press the [VIDEO STATUS] key and [DISPLAY] key

simultaneously, then enter the SERVICE MODE.

(3) When the Main Menu is displayed, press [4] key to enter

the setting display for designing.

(4) Press [CH+] / [CH-] key to select the addresses (items).

NOTE :

• Confirmation of the information can be done by selecting addresses (items) below. Display position is in the far right side in the 2nd row from the top, as displayed below.

NOTE :

• This message will appear every time turn on the TV, when the lamp needs to be replaced. Press the [OK] key to make the message disappear, or replace the lamp.

LAMP NEEDS TO BE REPLACED. REFER TO OWNER'S MANUAL FOR REPLACEMENT INSTRUCTIONS.

AFTER REPLACING THE LAMP, PLEASE RESET TIMER IN THE TV MENU.

PRESS OK, IF YOU DO NOT WAN TO SEE THIS MESSAGE AGAIN.

Fig.1 LAMP REPLACEMENT MESSAGE

1.3.5 HOW TO REPLACE THE LAMP UNIT

Refer to the [USERS GUIDE] for a detailed operating

description. (1) Turn off the TV power with power key. (2) Disconnect the power cord from the AC outlet. (3) Loosen 1 screw from the rear side, then take out the the left

speaker panel. (4) Loosen 1 screw then take out the lamp cover. (5) Loosen 2 screws then take out the lamp unit. (6) Install the new lamp unit. (7) Re-install the lamp cover. (8) Re-install the left speaker panel. (9) Re-install the screw to the rear panel.

NOTE :

• After installing the new lamp unit, do not forget to reset the lamp timer.

1.3.3 LAMP OPERATING TIME

• MAXIMUM COUNT TIME : 65535 hours

< D070 > Lamp operating time high byte < D071 > Lamp operating time low byte

D 00 001 00 0000 0001

Operating time in binary number notation Operating time in hexadecimal number notation Operating time in decimal number notation

1.3.4 LAMP UNIT REPLACEMENT

(1) The lamp replacement message will appear when need to

change the lamp. After replace the lamp, need to reset the timer which is built into TV.

(2) Life of the lamp unit is about 5000 hours over. Lamp use

time can be check at the lamp message MENU.

(3) If Fig.1 message appears when turn the TV on, need to

replace the lamp.

(4) Use the lamp timer reset only after replacing the lamp.

1.3.6 HOW TO RESET THE LAMP TIMER

Refer to the [USERS GUIDE] for a detailed operating

description. (1) Press the [MENU] key to select CLOCK / TIMERS. (2) Select the <LAMP TIMER RESET> with [

] / [] keys.

(3) Enter the <LAMP TIMER RESET> mode the message will

appears.

(4) Press the [OK] key while the above message appears on

the screen. (5) Turn off the power, then turn on the power. (6) The lamp timer has now been reset, as before the 1.3.2

HOW TO CONFIRMATION LAMP OPERATING TIME.

1.3.7 PRECAUTION FOR REPLACEMENT

Do not replace the LAMP UNIT immediately after the

projector has been used.

The temperature of the LAMP UNIT is still high and could

cause a burn.

Allow a cooling period of 1 hour or more before performing

replacement.

Before starting LAMP UNIT replacement work, turn off the

MAIN POWER switch, and disconnect the AC power cord plug from the wall outlet.

If touched, the lamp glass surface may rupture and burns

may result. Do not touch the glass portion or metal portion. Handle only plastic handle.

The replaced old lamp can be discarded in the same manner

as a fluorescent lamp. Check local ordinances and dispose of the used lamp as prescribed.

(No.YA092B)1-5

Page 6

1.4 SERVICE PARTS KIT INSTRUCTIONS

OPTICAL / DRIVE ASS'Y : TS-COP5A-SAA

Due to the character of this product, these OPTICAL / DRIVE ASS’Y are prepared. Please note these OPTICAL /DRIVE ASS’Y when replacing or ordering the parts.

1.4.1 PART NUMBER AND CONSTRUCTION

Kit parts number Kit part name

TS-COP5A-SAA OPTICAL / DRIVE ASS’Y

1.4.2 OPTICAL / DRIVE ASS’Y CONSTRUCTION

(1) OPTICAL BLOCK

(Included HD-ILA DEVICE, PROJECTION LENS) (2) OPTICAL BASE (3) MAIN DRIVE PWB ASS’Y

This PWB is mounted with 2 memory ICs saved with

adjustment, setting data of the drive circuit. (4) SHIELD TAPE

* The following parts are not included in the kit.

1) REMOTE SENSOR PWB ASS’Y

2) FAN CONTROL PWB ASS’Y

3) LAMP UNIT

4) FRONT SHADE BRACKET

5) SHADE COVER

1.5 SCREEN HANDLING CAUTIONS

1.5.1 SCREEN STORAGE Store the SCREEN ASS'Y in a standing position in order to

avoid deformation. If the screen is stored horizontally, there is risk of deforming the screen face. When necessary to place the SCREEN ASS'Y horizontally, position the screen side upwards and sure to place spacers between the screen and resting site (floor or stand etc.) to prevent the screen from sagging.

1.5.2 SCREEN SURFACE

Since the screen surface is easily scratched or soiled, use ample care when handling.

1.5.3 PRECAUTIONS FOR CLEANING AND REPLACEMENT

The SCREEN ASS’Y is made from the lenticular lens and

fresnel lens. The anti static proceeding and the surface of the lenticular lens. Rubbing the surface with something hard, the coating may peel off.

When the screen is dirty, gently wipe it with a soft cloth.

If the screen is very dirty, wipe it down with a cloth dipped in a diluted kitchen cleaner (neutrality detergent) and thoroughly wrung-out. Then wipe immediately after with clean, dry cloth. Never use the organic solvent such as the alcohol or benzine.

The SCREEN ASS’Y replacement is required if the coating

was peel off. Alkaline detergent or acidity detergent can not be be used.

The notched side of the lenticular lens and the fresnel lens

are faced each other.

Do not rub the screen when cleaning it or replaceing it.

Rubbing the screen may cause of the scratch of the screen by its notch.

1.4.3 PRECAUTION FOR USING

(1) In the case of the following defects/problems, replace this

kit (OPTICAL/DRIVE ASS'Y)

1) Picture defect caused by optical system/D-ILA device related parts.

2) Picture defect caused by drive circuit.

(2) The MAIN DRIVE PWB ASS’Y is mounted with 2 memory

ICs [IC3741/IC3742] saved with adjustment/setting data (GAMMA, SHADING, etc.) of the drive circuit. The data of this memory IC is in the optimal state according to individual D-ILA devices and each section of the OPTICAL BLOCK.

(3) When replace the MAIN DRIVE PWB ASS’Y, take off the 2

memory ICs from the original board and replace with new one. When replace the MAIN DRIVE PWB ASS’Y, do same manner. Replace 2 memory ICs.

(4) When installing this kit (OPTICAL/DRIVE ASS'Y) to the

set, first mount the FRONT SHADE BRACKET and SHADE COVER (with cushion) to the kit (lens section).

(5) After the replacement of the OPTICAL BLOCK, projection

lens focus adjustment and drive convergence / projection adjustment are required.

1-6 (No.YA092B)

Page 7

SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

2.1 TECHNICAL INFORMATION

2.1.1 DIFFERENCE LIST

Items HD-52Z575 / HD-61Z575 HD-52Z585 / HD-61Z585

SMART SOUND Non Built-in

SMART CAPTION Non Built-in

FRONT CABINET Silver Black

2.1.2 PROJECTION UNIT

R DEVICE

G DEVICE

2.1.3 IMAGE LIGHT FLOW

DEVICE UNIT SECTION

Projection

light

BRG

Mirror

B DEVICE

Lamp unit

Incident light

(TOP VIEW)

FRONT

2.1.5 D-ILA DEVICE STRUCTURE

R / G / B DEVICE (SIDE VIEW)

Back

Plane

Flat film

Reflective pixel electrode

Liquid crystal

PIXEL VIEW (FRONT VIEW)

Glass substrate

Incident light Projection light

FRONT

Transparent electrode

Device

MirrorMirror

BRG

2.1.4 D-ILA DEVICE SPECIFICATION

Item Content Resolution H:1312 x V:800 Pixel number about 3200000 Pixel size H :12.0

µm x V :12.0µm

Aspect ratio 16 : 9 Contrast ratio 1000 : 1 Aperture ratio 93% or more Effective pixel measurement 0.7 inch

Incident

light

12.0 µm

Pixel

12.0 µm

(No.YA092B)1-7

Page 8

2.1.6 MAIN CPU PIN FUNCTION (IC7601 : M306V7FGF-088FP) [DIGITAL SIGNAL PWB ASS’Y]

Pin Port Pin name I/O Function

1 VHOLD1 VHOLD1 I Data slice for main screen closed caption

2 HFLT1 HFLT1 I/O LPF for main screen closed caption video input

3 P9.4 O Not used

4 P9.3 O Not used

5 P9.2 DIGRO O R [0] for OSD

6 P9.1 TB1IN I AC power for timer clock

7 P9.0 REMO I Remote control

8 BYTE BYTE I Data bus width select [L = 16bit (fixed)]

9 CNVss CNVss I CPU programming mode select [Normal = L]

10 P8.7 DIGGO O G [0] for OSD

11 P8.6 DIGBO O B [0] for OSD

12 RESET RESET I Reset for main CPU [Reset = L]

13 XOUT XOUT O System clock osillation (crystal) : 16MHz

14 Vss Vss - GND

15 XIN XIN I System clock osillation (crystal) : 16MHz

16 VccI VccI I 3.3V stand-by power supply

17 OSC1 OSC1 I Clock for OSD

18 OSC2 OSC2 O Not used : Clock for OSD

19 P8.3 INT1 I AV COMPULINK control

20 P8.2 INT0 I Request for sub(chassis) CPU communication

21 OUT1 OUT1 O Ys (blanking) for OSD

22 OUT2 OUT2 O YM (transparence) for OSD

23 P7.7 O Not used

24 P7.6 O Not used

25 P7.5 O Not used

26 P7.4 O Not used

27 P7.3 CTA2/RTS2 O Not used : Digital tuner control

28 P7.2 CLK2 O Not used : Digital tuner control

29 P7.1 RxD2 I Not used : Digital tuner control

30 P7.0 TxD2 O Not used : Digital tuner control

31 P6.7 SDA2 I/O Not used

32 DIGR1 DIGR1 O R [1] for OSD

33 DIGG1 DIGG1 O G [1] for OSD

34 DIGB1 DIGB1 O B [1] for OSD

35 P6.3 TxDO I Data receive (serial) for external programming

36 P6.2 RxDO O Data transmission (serial) for external programming

37 P6.1 CLKO I Clock for external programming

38 P6.0 RTSO O Busy for external programming [Operation = H]

39 P5.7 I Not used

40 P5.6 O Not used

41 HOLD HOLD I CPU programming mode select [Normal = H]

42 P5.4 O Not used

43 P5.3 O Not used

44 P5.2 O Not used

45 P5.1 O Not used

46 P5.0 WR O CPU programming mode select [Normal = L]

47 P4.7 MICON_TX O Data transmission for sub(chassis) CPU

48 P4.6 MICON_RX I Data receive for sub(chassis) CPU communication

49 P4.5 MI_CLK I Clock for sub(chassis) CPU communication (serial)

50 P4.4 O Not used

(serial data)

communication (serial)

(serial)

Pin Port Pin name I/O Function

51 P4.3 O Not used

52 P4.2 O Not used

53 P4.1 O Not used

54 P4.0 O Not used

55 P3.7 O Not used

56 P3.6 O Not used

57 P3.5 O Not used

58 P3.4 O Not used

59 P3.3 O Not used

60 P3.2 O Not used

61 P3.1 O Not used

62 HSYNC HSYNC I H. sync for OSD

63 P3.0 O Not used

64 VSYNC VSYNC I V. sync for OSD

65 P2.7 O Not used

66 P2.6 O Not used

67 P2.5 O Not used

68 P2.4 O Not used

69 P2.3 O Not used

70 P2.2 O Not used

71 P2.1 O Not used

72 P2.0 O Not used

73 P1.7 O Not used

74 P1.6 O Not used

75 P1.5 O Not used

76 P1.4 O Not used

77 P1.3 O Not used

78 P1.2 O Not used

79 P1.1 O Not used

80 P1.0 O Not used

81 P0.7 O Not used

82 P0.6 O Not used

83 P0.5 O Not used

84 P0.4 WAKE O Reset for sub(chassis) CPU

85 P0.3 CARD_DET I Not used : Card detection for ATSC digital tuner

86 P0.2 POWER_SW I Not used : Power switch (mechanical) detection

87 P0.1 SDA0 I/O Data for Inter IC (serial) bus control : memory

88 P0.0 SCL0 O Clock for Inter IC (serial) bus control : memory

89 P10.7 DIGR2 O R [2] for OSD

90 P10.6 DIGG2 O G [2] for OSD

91 P10.5 DIGB2 O B [2] for OSD

92 P10.4 O Not used

93 P10.3 KEY1 I Key scan data for front control button

94 P10.2 KEY0 I Key scan data for front control button

95 VHOLD2 VHOLD2 I Data slice for sub screen closed caption

96 HLF2 HLF2 I/O LPF for sub screen closed caption video input

97 CVIN2 CVIN2 I Video(Y) for sub screen closed caption

98 TVSETB TVSETB I Test terminal [L Fixed]

99 VCCE VCCE I 5V stand-by power supply

100 CVIN1 CVIN1 I Video(Y) for main screen closed caption

(MENU/CH+/CH-) KEY2

(VOL+/VOL-) KEY1

1-8 (No.YA092B)

Page 9

2.1.7 SUB (CHASSIS) CPU PIN FUNCTION (IC7001 : MN102H60KPA) [DIGITAL SIGNAL PWB ASS’Y]

Pin Port Pin name I/O Function

1 P60 LB PRO O Not use

2 P61 P MU O Picture muting [Muting = H]

3 P62/FUNC LED JP_CSB O Not use (NC)

4 P63 A MU O Audio muting [Muting = H]

5 P50 M MU O Audio muting (for AUDIO OUT) [Muting = H]

6 P51/PC SW PC SEL O Not use : RGB(PC) INPUT select

7 P52/DIMMER

LED

8 P53/BL ON ILA0 O Not use : LCD back light lighting

9 P54/BL 5060 ILA1 O Not use : LCD panel overshoot refresh timing

10 P55 ILA2 O Not use

11 P56 POW LED O POWER LED lighting [ON = H]

12 P57 WORD O Not use

13 SBT2 MI_CK I Clock for SUB (OSD) CPU communication

14 SBI2 MI_TX I Data rece ive for SUB (OSD) CPU communication

15 SBO2 MI_RX O Data transmission for SUB (OSD) CPU

16 P23/REQ MI_REQ O Data request for SUB (OSD) CPU communication

17 VDD 3.3V I 3.3V power supply

18 PB0 FOSC O Not use (NC)

19 VSS GND Ground

20 XI 3.3V I Not use : Low speed oscillatior

21 XO O Not use : Low speed oscillatior

22 VDD 3.3V I 3.3V power supply

23 OSCI OSCI I System clock osillation (crystal) : 16MHz

24 OSCO OSCO O System clock osillation (crystal) : 16MHz

25 MODE 3.3V I Single chip mode

26 P24 BS1.5CTL O Not use : Digital tuner power / reset control

27 P25 A92 RST O Reset for IC1001(3D YC SEP / COLOR

28 P26 BS RST O Not use: Reset for Digital tuner power / reset

29 P27 LIP RST O Not use: Reset for Sound delay (Lip sync)

30 KI0 SOFT_OFF O Not use

31 KI1 VMUTE I No use : Picture muting request from digital tuner

32 KI2 VOUTENB O No use : Video cutoff for digital tuner

33 P33 MDR CON I No use : System cable connection monitor for PDP

34 AVDD 3.3V I 3.3V power supply

35 P34 O Not use : Digital tuner power control

36 P35 DSYNC SW2 O Sync select for DIGITAL-IN [Cotrolled with 99-pin]

37 P36 LB_POW O Not use : Power control for low bias line

38 P37 O Not use (NC)

39 P40 HOTPLUG I Not use : Video communiation monitor for receiver

40 P41 MECA SW I Mechanical monitor for POWER switch

41 P42 MAIN POW O Main power control [ON = L]

42 P43 VARI/FIX O AUDIO OUT output mode select [VARI ABLE = L]

43 VREF- I Not use

44 AN4/EE AFT2 I Not use : AFT voltage for sub tuner

45 AN5 AFT1 I AFT voltage for VHF/UHF tuner

46 AN6 KEY2 I Key scan data for front switc (MENU/CH+/CH-)

47 AN7 KEY1 I Key scan data for front switch (VOL+/VOL-)

48 P80 O Not use (NC)

49 P81 O Not use (NC)

50 TM0IO AC IN I AC power pulse for timer clock

ON_TIMER O POWER INDICATOR (LED) brightness

[LOW = L]

communication

[Request = L]

DEMODULAT) [Reset = H]

control

unit (PDP)

[Push = L]

Pin Port Pin name I/O Function

51 SBI3 BS TXD O Not use : Data transmission for digital tuner

52 SBO3 BS RXD I Not use : Data receive for digital tuner

53 P85 O Not use (NC)

54 VREF+ 3.3V I 3.3V power supply

55 SBI4 PDP TX O Data transmission for SUB (DRIVE) CPU

56 SBO4 PDP RX I Data receive for SUB (DRIVE) CPU

57 P90 SDA0 I/O Data for Inter IC (serial) bus : EEP-ROM (IC7002)

58 P91 SCL0 O Clock for Inter IC (serial) bus : EEP-ROM (IC7002)

59 P92 SDA DVI I/O Not use : Data for Inter IC (serial) bus for panel

60 P93 SCL DVI O Not use : Clock for Inter IC (serial) bus for panel

61 AVSS GND Ground

62 AN0/DIN PH DIGII_PHOT I Photo sensor for DIGITAL-IN illegal copy

63 AN1 ATSC REC I Not use

64 AN2 I Not use

65 AN3 I Not use

66 VDD 3.3V I 3.3V power supply

67 P70/DIN PRO DIGI_PRO O for DIGITAL-IN (HDMI)

68 P71 O Not use (NC)

69 P72 O Not use (NC)

70 P73 SYNC SEL O Not use : Sync select for digital tuner

71 SBI1 O Not use (NC)

72 SBO1 O Not use (NC)

73 * SBD5 I/O Not use : Data for writing on board

74 * SBT5 I Not use : Clock for writing on board

75 NMI 3.3V I 3.3V power supply

76 IRQ0 COMP I AV COMPULINK áV control

77 IRQ1 REMOCON I Remote control

78 IRQ2 V SYNC I V. sync pulse

79 IRQ3 WAKEUP SHM I Reset for sub(chassis) CPU

80 IRQ4 POWERGOOD I Power error detection [NG = H]

81 PA5/REC

LED

82 VDD RST I Reset for MAIN CPU [Reset = L]

83 RST 3.3V I 3.3V power supply

84 P00 SCL3A O Clock for Inter IC (serial) bus control :

85 P01 SDA3A I/O Data for Inter IC (serial) bus control :

86 P02 SCL3B O Clock for Inter IC (serial) bus control :

87 P03 SDA3B I/O Data for Inter IC (serial) bus control :

88 P04/DIN SEL DIGI_SYNCSEL O Not use

89 P05 LR SW O for DIGITAL-IN (HDMI)

90 P06/DIN INT DIGI_INT I Reset for HDMI process [Reset = ]

91 P07 DVI RST O Not use : Reset for DVI format conversion

92 VSS GND Ground

93 P10 SCL5055 O Clock for Inter IC (serial) bus :

94 P11/BS CLK

SEL

95 P12 SDA5055 I/O Data for Inter IC (serial) bus :

96 P13 OSD MODE SEL O Not use : OSD mode select

97 P14 O Not use (NC)

98 P15 15K/OTH O Main video select [Fixed H]

99 P16 DSYNC SW1 O Sync select for DIGITAL-IN [Cotrolled with 36-pin]

100 P17 JCC5057 BUSY I Busy monitor for JCC5057 (New DIST process)

LAMP LED O LAMP LED lighting [Lighting = H]

VFORMATSEL O Not use : Digital tuner clock control

communication

protection

(connect CN01P : for Frash ROM type)

JCC5055 (DIST process)

(No.YA092B)1-9

Page 10

2.1.8 SYSTEM RESET

LOB OK FAN OK SYNC M:OK S:OK HD:NG TIM OK MSM OK DIGI 0000 MEM OK AVSW OK YC OK AIO OK TUN OK GCR NG 1 IP OK RGB OK 8 DVI OK HDMI OK

SERVICE MENU

1.ADJUST

2.SELF_CHK

3.I2C STOP

When the DIGITAL SIGNAL PWB is replaced or the DIGITAL INPUT is not normal, reset the SYSTEM SETTING using the following procedure. (1) Set to 0 minutes using the [SLEEP TIMER] key. (2) Press the [VIDEO STATUS] key and [DISPLAY] key

simultaneously

(3) When the

to enter the SERVICE MODE.

Service Menu is displayed, press [2] key to

enter the self check mode.

(4) Turn off the power by pressing the [POWER] key on the

remote control unit.

When DIGITAL INPUT does not function normal using the method above mentioned, perform the following operation.

Remote control unit (with LC display) [LP20873-009] will be required for this operation.

(1) Take out the batteries from the remote control unit. (2) Insert the batteries while pressing and holding [4], [5] and

[6] keys simultaneously.

(3) While viewing the LC display of the remote control unit

(LP20873-009), set the value to [0] using the [START DEBUT + ] / [START DEBUT - ] keys.

(4) In the same manner, set the value to [3] using the [STOP

FIN + ] / [STOP FIN - ] keys.

(5) In the same manner, set the value to [6] using the [DATE + ]

/ [DATE - ] keys.

(6) In the same manner, set the value to [C] using the [PR + ]

/ [PR - ] keys.

(7) When completed with all of the above settings, press the

[Transmission] key.

MAIN MENU SCREEN

SERVICE MENU

1.ADJUST

2.SELF_CHK

3.I2C STOP

SELF CHECK MODE SCREEN

LOB OK FAN OK SYNC M:OK S:OK HD:NG TIM OK MSM OK DIGI 0000 MEM OK AVSW OK YC OK AIO OK TUN OK GCR NG 1 IP OK RGB OK 8 DVI OK HDMI OK

03-6C

Transmitt

Button

START

DUBIT

STOP

FIN

DATE

1-10 (No.YA092B)

Page 11

SECTION 3

DISASSEMBLY

3.1 DISASSEMBLY PROCEDURE

• Make sure that the power cord plug is pull out from the AC wall outlet.

• Wait until the LAMP UNIT has cool down is completely.

• While not in repair service, place the chassis back its original position.

CAUTION AT DISASSEMBLY

• Pay extra attention in the following matter when turning the power on with the BODY COVER removed. (1) Prior to disassembly, unplug the power cord from the AC

outlet without fail. (Turn the power "off".)

(2) Make sure that the REAR JACK PWB: IC2081 is

completely covered with black masking tape. (Fig.1)

(3) Make sure to remove the masking of REAR JACK:

IC2081 when attaching the BODY COVER.

(4) Do not turn the power on until the BODY COVER is

attached properly, after the masking is removed.

3.1.5 FRONT LED PWB

• Take out the SPEAKER GRILL.

• Take out the FRONT PANEL. (1) Remove 2 screws [ F ] from rear side of FRONT PANEL. (2) Take out the FRONT LED PWB.

3.1.6 FILTER COVER

• Take out the SCREEN BLOCK. (1) Remove 2 screws [ G ]. (2) Take out the FILTER COVER.

• Remove the both side FILTER COVER same manner.

3.1.7 CENTER COVER

• Take out the SPEAKER GRILL.

• Take out the FRONT PANEL. (1) Remove 2 screws [ H ]. (2) Take out the CENTER COVER.

REAR JACK PWB

IC2081

Fig.1

Masking tape

3.1.1 SPEAKER GRILL (L & R)

(1) Remove 1 screw [ A ] from right rear side. (2) Remove 1 screw [ B ] from left rear side. (3) Take out the SPEAKER GRILL (L& R).

3.1.2 SPEAKER

• Take out the SPEAKER GRILL. (1) Remove 4 screws [ C ]. (2) Take out the SPEAKER.

* Remove the both side SPEAKER same manner.

3.1.3 FRONT PANEL

• Take out the SPEAKER GRILL. (1) Remove 4 screws [ D ]. (2) Take out the FRONT PANEL.

3.1.4 LAMP COVER

• Take out the SPEAKER GRILL of LEFT SIDE. (1) Remove 1 screw [ E ]. (2) Take out the LAMP COVER.

NOTE :

• Do not leave the LAMP COVER removed for long time to prevent dirt and dust form covering the lens.

• Make sure that the LAMP COVER is completely installed.

3.1.8 SCREEN BLOCK

• Take out the SPEAKER GRILL.

• Take out the FRONT PANEL. (1) Remove the 4 screws [ I ]. (2) Remove 10 screws [ J ] from rear side. (3) Take out the SCREEN BLOCK.

CAUTION :

• Place the SCREEN BLOCK on a flat table without fail.

• Because of the large size, at least 2 parsons are recommended for removal and reassemble.

• Use care not to scratch the screen during work.

• During assembly, be sure to engage the left and right tabs with the cabinet mounting positions.

• When supporting the SCREEN BLOCK, avoid grasping the top of the screen panel, instead grasp the left and right areas.

• Do not leave the SCREEN BLOCK removed for long time to prevent soiling from dust.

3.1.9 SCREEN ASS’Y

• Take out the SCREEN BLOCK.

[HD-52Z575 / HD-52Z585] (1) Remove 20 screws [ K ] from FRONT CABINET. [HD-61Z575 / HD-61Z585]

(1) Remove 24 screws [ K ] from FRONT CABINET. (2) Take out the SCREEN ASS’Y.

3.1.10 FRONT PANEL

• Take out the SCREEN BLOCK.

[HD-52Z575 / HD-52Z585] (1) Remove 16 screws [ L ] from FRONT CABINET. [HD-61Z575 / HD-61Z585]

(1) Remove 20 screws [ L ] from FRONT CABINET. (2) Take out the FRONT PANEL.

(No.YA092B)1-11

Page 12

SCREEN

BRACKET

FRONT

PANEL

FRONT

CABINET

(x4)

SCREEN

ASSY

(52V: x16)

(61V: x20)

SCREEN

BLOCK

(x10)

(52V: x20) (61V: x24)

SPEAKER GRILL(L)

SPEAKER

FRONT PANEL

(x1)

FILTER COVER

(x2)

(x4)

LAMP

COVER

(x1)

LAMP

UNIT

(x2)

FRONT

LED PWB

CUSHION

CENTER

PANEL

(x1)

FILTER

(x2)

(x4)

COVER

SPEAKER

(x4)

FRONT

1-12 (No.YA092B)

SPEAKER GRILL(R)

Page 13

3.1.11 MIRROR

• Take out the SPEAKER GRILL both side.

• Take out the FRONT PANEL.

• Take out the SCREEN BLOCK. (1) Remove 12 screws [ A ] attaching the MIRROR HOLDER

of the upper, left and right side.

(2) Raise slightly to disengage of the MIRROR from the bottom

holder.

(3) Take out the MIRROR.

NOTE :

• Do not touch the front of the MIRROR.

• Do not shock the front of the MIRROR.

• Because of the large size, at least 2 persons are recommended for removal and reassemble.

3.1.12 SIDE CONTROL BASE

• Take out the SCREEN BLOCK. (1) Remove 4 screws [ B ]. (2) Take out the SIDE CONTROL BASE.

FRONT INNER SIDE VIEW

3.1.13 SIDE CONTROL PWB

• Take out the SCREEN BLOCK.

• Take out the SIDE CONTROL BASE. (1) Remove 4 screws [ C ] from rear side of SIDE CONTROL

BASE.

(2) Take out the SIDE CONTROL PWB.

3.1.14 BACK COVER

• Take out the FRONT PANEL.

• Take out the SCREEN BLOCK. (1) Remove 13 screws [ D ]. (2) Remove 2 screws [ E ] from rear side. (3) Slightly pull for backside to disengage of the BACK

COVER from hooks.

(4) Take out the BACK COVER.

NOTE :

• Because of the large size, at least 2 persons are recommended for removal and reassemble.

(x6)

(x3)

MIRROR

HOLDER

MIRROR

STICK

SHEET

(x3)

FRONT

MIRROR HOLDER

MIRROR

HOLDER

SIDE CONTROL

PWB

(x4)

BACK COVER

(x2)

(x13)

BODY

OPERATION

SHEET

(x4)

SIDE CONTROL

BASE

(No.YA092B)1-13

Page 14

3.1.15 BODY COVER

(1) Remove 9 screws [ A ] (BODY). (2) Remove 6 screws [ B ] (AV TERMINAL BOARD). (3) Take out the BODY COVER.

NOTE :

• Do not leave the BODY COVER removed for long time to prevent soiling from dust.

CAUTION :

Before starting the work, be sure to read the following written instructions on the printed CAUTION on the AV TERMINAL BOARD.

AV TERMINAL BOARD

-----------------------------

-------------------------

--------------------------------------

-----------------------------------

----------------------------------

---------------------------------

------------------------------

----------------------------

------------------------------

---------------------------------

-------------------------------

-----------------------------------

------------------------------

--------

----------------------------

-------------------

-----------------------------------

-------------------------

-----------------------------------

3.1.16 BODY BRACKET

• Take out the BODY COVER. (1) Remove 4 screws [ C ]. (2) Take out the BODY BRACKET.

3.1.17 MAIN UNIT

• Take out the BODY COVER.

• Take out the BODY BRACKET. (1) Remove 2 screws [ D ]. (2) Take out the TOP SHADE BRACKET.

(3) Take out the connector [FJ:12pin], [SW:4pin], [SPR:2pin

(black)], [SPL:2pin(white)], [FL:7pin]. (4) Remove 2 screws [ E ] from rear side. (5) Pull out the MAIN UNIT rear side.

CAUTION

• Except for confirmation of projection images on the screen and audio output through the speakers, the removed MAIN UNIT is still workable in the same state as if it is still built in the TV set. Therefore, the MAIN UNIT can be removed, if necessary, for board diagnosis, electric testing, etc. apart from confirmation of screen images and audio output.

• Do not leave the MAIN UNIT removed for long time to prevent soiling from dust.

• Because of the large size, at least 2 persons are recommended for removal and reassemble.

• When carrying the MAIN UNIT, use care not to drop, shock or shake it.

• Do not stain or damage the projection lens.

• Do not look directly at the light during service.

• Do not touch the lamp directly as it presents a burn hazard.

NOTE :

• When not performing repair work, attach the cap on the lens to preventing dust from covering.

• When mounting to the set, make sure the front of the lens is in contact with the cushion on the set (body) side.

• Make sure that FRONT LED PWB connector is completely connect to the RECEIVER PWB connector (CN10FL).

• When wire clamps are removed during work, use care to restore them precisely to their original positions. Performance can be affected if these are not returned to the original positions.

BACK COVER

TOP SHADE

BRACKET

(x2)

MAIN UNIT

BODY

COVER

BODY

BRACKET

(BODY)

(x4)

(x2)

AV TERMINAL BOARD

FRONT

BODY SIDE VIEW

(x9)

(x6)

AV TERMINAL

BOARD

1-14 (No.YA092B)

BODY

Page 15

3.1.18 AV TERMINAL BOARD

• Take out the BODY COVER. (1) Remove 5 screws [ A ]. (2) Remove 1 screw [ B ]. (3) Pull out the POWER CORD CLAMP. (4) Remove the nut [ C ] attaching the ANTENNA TERMINAL. (5) Take out the AV TERMINAL BOARD.

3.1.19 SUB DRIVE PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 4 screws [ D ]. (2) Take out the PWB HOLDER. (3) Disconnect the connector [CN401] and [CN402]. (4) Remove 6 screws [ E ]. (5) Take out the SUB DRIVE PWB.

3.1.20 POWER PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 1 screw [ F ]. (2) Take out the POWER PWB BRACKET. (3) Disconnect the connector [CN90BL], [CN90SE],

[CN90AA], [CN90B], [CN90DD] and [CN90G]. (4) Remove 5 screws [ G ]. (5) Take out the POWER PWB.

3.1.21 DIGITAL SIGNAL PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT.

• Take out the AV TERMINAL BOARD.

• Take out the PWB HOLDER (1) Disconnect the connector [CN001], [CN002], [CN003],

[CN0FC] and [CN0LV2]. (2) Remove 1 screw [ H ] attaching the earth wire. (3) Remove 1 screw [ I ]. (4) Remove the both side SHIELD COVER. (5) Take out the DIGITAL SIGNAL PWB.

CAUTION:

Make sure to perform the "SYSTEM SETTING" on page 1-10, when DIGITAL SIGNAL PWB is replaced.

3.1.22 RECEIVER PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT.

• Take out the AV TERMINAL BOARD.

• Take out the PWB HOLDER (1) Remove 1 screw [ J ]. (2) Take out the ANALOG PWB BRACKET with PWB.

(RECEIVER PWB / ANALOG SIGNAL PWB / REGULATOR PWB)

(3) Disconnect the connector [CN10FC], [CN10PH], [CN100R],

[CN10PH], [CN100A], [CN100T], [CN100F], [CN10FJ],

[CN10FL], [CN10SW], [CN10AA] and [CN10SP]. (4) Remove 4 screws [ K ]. (5) Take out the RECEIVER PWB.

3.1.23 ANALOG SIGNAL PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT.

• Take out the AV TERMINAL BOARD.

• Take out the PWB HOLDER

• Take out the RECEIVER PWB. (1) Disconnect the connector [CN001], [CN002], [CN00D],

[CN0J1], [CN0J2], [CN00T], [CN00F] and [CN00G]. (2) Remove 2 screws [ L ]. (3) Take out the ANALOG SIGNAL PWB.

3.1.24 REGULATOR PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT.

• Take out the AV TERMINAL BOARD.

• Take out the PWB HOLDER

• Take out the RECEIVER PWB. (1) Disconnect the connector [CN20D], [CN203] and [CN20B]. (2) Remove 4 screws [ M ]. (3) Take out the REGULATOR PWB.

3.1.25 REAR JACK PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT.

• Take out the AV TERMINAL BOARD. (1) Disconnect the connector [CNPH], [CNJ0J1] and

[CNJ0J2]. (2) Remove 2 screws [ N ]. (3) Take out the REAR JACK PWB.

(No.YA092B)1-15

Page 16

FRONT

BODY

FRONT

RECEIVER

PWB

(x4)

(x6)

(x4)

PWB HOLDER

EARTH

WIRE

(x1)

SUB DRIVE

PWB

(x1)

ANALOG PWB

BRACKET

SHIELD COVER

ANALOG SIGNAL

REGULATOR

PWB

REAR JACK

PWB

(x2)

(x4)

(x2)

POWER PWB

1-16 (No.YA092B)

DIGITAL SIGNAL

(x5)

PWB

EARTH

WIRE

(x1)

UNIT BASE

POWER PWB

BRACKET

POWER CORD

CLAMP

ANTENNA

TERMINAL

POWER CORD

AV TERMINAL

BOARD

(x1)

(x5)

(x1)

Page 17

3.1.26 LAMP FAN DUCT & THERMOSTAT

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 4 screws [ A ]. (2) Take out the LAMP FAN DUCT. (3) Remove 2 screws [ B ]. (4) Take out the THERMOSTAT.

3.1.27 FAN CONTROL PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Disconnect the connector [CN801:7pin (MAIN DRIVE

PWB)], [CN802:3pin (OPTICAL BLOCK COOLING FAN)], [CN803:3pin (LAMP COOLING FAN)] and [CN804:4pin

(LAMP BALLAST UNIT)]. (2) Remove 1 screw [ C ]. (3) Take out the FAN CONTROL PWB.

3.1.28 REMOTE SENSOR PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 1 screw [ D ]. (2) Take out the REMOTE SENSOR PWB.

3.1.29 OPTICAL / DRIVE ASS’Y

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 2 screws [ E ]. (2) Take out the SHADE COVER. (3) Remove 2 screws [ F ]. (4) Take out the FRONT SHADE BRACKET. (5) Remove 7 screws [ G ]. (6) Slightly raise and take out the OPTICAL / DRIVE ASS’Y. (7) Peel off the shield (copper film) tapes.

NOTE :

• The OPTICAL / DRIVE ASS’Y contains precision optical components. Handle carefully and avoid imparting strong shock.

• OPTICAL / DRIVE ASS’Y construction

1) Optical block : (D-ILA device, PBS, Field lens, Integrater, Mirror etc.)

2) Projection lens

3) Optical base

4) MAIN DRIVE PWB ASS’Y

5) Top duct

6) Shield tape

• When not performing repair work, attach the cap on the lens to preventing dust from covering.

• When mounting to the set, make sure the front of the lens side is in contact with the cushion on the body side.

• When installing this kit (OPTICAL/DRIVE ASS'Y) to the set, first mount the FRONT SHADE BRACKET and SHADE COVER (with cushion) to the kit (lens section).

• Do not leave the OPTICAL / DRIVE ASS’Y removed for long time to prevent soiling from dust.

3.1.30 MAIN DRIVE PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Take out the TOP DUCT PLATE. (2) Remove 2 screws [ H ]. (3) Take out the TOP DUCT. (4) Take out the SHIELD TOP CASE. (5) Remove 4 screws [ I ]. (6) Take out the MAIN DRIVE PWB. (7) Take out the SHIELD PLATE. (8) Slightly raise and take out the OPTICAL BLOCK.

3.1.31 OPTICAL BLOCK COOLING FAN

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 3 screws [ J ]. (2) Take out the SIROCCO TOP CASE. (3) Remove 3 screws [ K ]. (4) Take out the OPTICAL BLOCK COOLING FAN.

3.1.32 LAMP COOLING FAN

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 2 screws [ L ]. (2) Take out the LAMP FAN BRACKET ASSY. (3) Remove 4 screws [ M ]. (4) Take out the LAMP COOLING FAN.

3.1.33 LAMP BALLAST UNIT COOLING FAN

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 3 screws [ N ]. (2) Remove 4 screws [ O ]. (3) Take out the COOLING FAN (LAMP BALLAST UNIT).

3.1.34 LAMP BALLAST UNIT

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT.

• Take out the LAMP BALLAST UNIT COOLING FAN. (1) Take out the wire of LAMP BALLAST UNIT. (2) Remove 4 screws [ P ]. (3) Take out the BALLAST BRACKET BOTTOM. (4) Remove 4 screws [ Q ]. (5) Take out the BALLAST COVER. (6) Take out the LAMP BALLAST UNIT.

3.1.35 LAMP COVER SW PWB

• Take out the BODY COVER.

• Take out the BODY BRACKET.

• Take out the MAIN UNIT. (1) Remove 1 screw [ R ]. (2) Take out the LAMP COVER SW PWB.

(No.YA092B)1-17

Page 18

FRONT

FRONT SHADE

BRACKET

BODY

FRONT

(x2)

TOP DUCT PLATE

TOP DUCT

SHIELD TOP

CASE

REMOTE SENSOR

PWB

SHADE COVER

(x1)

LAMP UNIT

(x2)

(x1)

FAN CONTROL

PWB

(x4)

FRONT

(x2)

MAIN DRIVE

PWB

SHIELD PLATE

OPTICAL BLOCK

SIROCCO

TOP CASE

OPTICAL BLOCK

COOLING FAN

OPTICAL / DRIVE

ASS'Y

TEMP SENSOR

PWB

(x3)

BRACKET ASSY

LAMP

COOLING FAN

(x4)

LAMP COVER

SW PWB

LAMP FAN

(x1)

THERMOSTAT

(x7)

(x4)

LAMP FAN

DUCT

(x3)

(x2)

BALLAST BRACKET

TOP

COOLING FAN

(LAMP BALLAST UNIT)

(x4)

BALLAST BRACKET

BOTTOM

BALLAST

COVER

LAMP BALLAST

UNIT

1-18 (No.YA092B)

UNIT BASE

Page 19

3.1.36 SHIELD PLATE ATTACHMENT PROCESS

• Take out the TOP DUCT / TOP DUCT PLATE.

• Take out the MAIN DRIVE PWB with SHIELD TOP CASE.

< Assembly >

(1) Copper film case with laminate surface to be top. (2) Fold 9 points as shown in [ A ] an arrow view Fig.1.

( )

1 ~ 9

(3) Attach the double-faced tapes [ B ] as shown in Fig.1. (4) Stick the tape [ C ] as shown in Fig.1. (5) Make copper film case to be SHIELD PLATE (box-shape).

< Attachment >

(6) Install the SHIELD PLATE (box-shape). (7) Install the MAIN DRIVE PWB. (8) Install 4 screws [ D ] to MAIN DRIVE PWB. (9) Install the SHIELD TOP CASE .

(10) Attach the shield (copper film) tapes 6 positions [ E ] and

[ F ] as shown in Fig.2 and Fig.5. (11) Install the TOP DUCT. (12) Install 2 screws [ G ] as shown in Fig.5. (13) Install the TOP DUCT PLATE as shown in Fig.5. (14) Attach the shield (copper film) tapes 4 positions [ H ] and

[ I ] as shown in Fig.3 and Fig.5. (15) Then attach the shield (copper film) tapes 11 positions [ J ]

[ K ], [ L ],and [ M ] as shown in Fig.4 and Fig.5.

(x2)

OPTICAL

BLOCK

SHIELD PLATE

(x1)

SHIELD PLATE

FRONT

Fig.1

FRONT

SHIELD PLATE

(x3)

(x4)

(x3)

(x1)

TOP DUCT PLATE

(x2)

(x1)

(x3)

TOP DUCT

(x2)

SHIELD TOP

CASE

MAIN DRIVE

PWB

MAIN DRIVE

PWB

DUCT TOP

(x2)

(x1)

(x2)

(x1)

UNIT BASE

BRACKET

SHIELD

PLATE

OPTICAL

BLOCK

(x3)

SHIELD PLATE

(x3)

SHIELD PLATE

(x3)

(x1)

FRONT

MAIN DRIVE

PWB

(x1)

FRONT

Fig.2

Fig.3

Fig.5

(x1)

OPTICAL BLOCK

FRONT

(x1)

Fig.4

(No.YA092B)1-19

Page 20

3.2 MEMORY IC REPLACEMENT

3.2.1 MEMORY IC

This memory IC stores data for proper operation of the video and Drive circuits. When replacing, be sure to use an IC containing this (initial value) data.

3.2.2 MEMORY IC REPLACEMENT PROCEDURE

1. Power off

Switch off the power and disconnect the power cord from the wall outlet.

2. Replace the memory IC

Initial value must be entered into the new IC.

3. Power on

Connect the power cord to the wall outlet and switch on the power.

4. SERVICE MENU setting

Before entering the SERVICE MENU, confirm that the setting of TV/CATV SW of the REMOTE CONTROL UNIT is at the "TV" side and the setting of VCR/DVD SW of the REMOTE CONTROL UNIT is at the "VCR" side. If the switches have not been properly set, you cannot enter the SERVICE MENU.

1) Press [SLEEP TIMER] key and while the indication of SLEEP TIMER 0 MIN is being displayed, press [DISPLAY] key and [VIDEO STATUS] key (Fig.2) simultaneously.

2) The SERVICE MENU screen of Fig.1 is displayed.

3) Verify what to set in the SERVICE MENU, and set whatever is necessary (Fig.1).

Refer to the SERVICE ADJUSTMENT for setting.

4) Press the [BACK] key to return the SERVICE MENU.

5. Receive channel setting

Refer to the OPERATING INSTRUCTIONS (USER'S GUIDE) and set the receive channels (Channels Preset) as described.

SERVICE MENU SCREEN

SERVICE MENU

1. ADJUST

2. SELF-CHECK

3. I2C STOP

Fig.1

3.2.3 SERVICE MENU SETTING ITEMS Setting item Item No. Remark

1.ADJUST

VIDEO SYSTEM S001~S039

AUDIO SYSTEM T001~T010

PANEL CONTROL SYSTEM P001~P010

DRIVE SYSTEM D001~D187

SYSTEM SETTING Z001~Z010

Adjust

Do not adjust (Fixed value)

6. User settings

Check the user setting items according to after page. Where these do not agree, refer to the OPERATING INSTRUCTIONS (USER'S GUIDE) and set the items as described.

TV / CATV

(Set toTV)

Number key

SLEEP TIMER

(Skip / Enter the SERVICE MENU)

MUTING

FUNCTION

(Value setting key)

(Come out SERVICE MENU key )

(Memory key)

CATV VCR DVD

MULTI SCREEN

TWIN

FREEZE

SWAP SELECT

INPUT 1

123

INPUT 2

456

INPUT 3

789

INPUT 4

TUNE

THEATER

DIGITAL-IN

PRO

D-IN

SLEEP TIMER

DISPLAY

MUTING

VOL VOL

VCR CHANNEL

PREV NEXT

REW

REC PAUSE

OPEN CLOSE

RM-C15G

Fig.2

VCR / DVD

STOP

ASPECT

INDEX

SOUND

POWER

RETURN+

VIDEO

STATUS

LIGHT

C.C.

BACK

TV / VCR

FFPLAY

STILL PAUSE

POWER

VCR/DVD

(Set to VCR)

SERVICE MENU ITEM SELECT KEY

1 3

VIDEO STATUS

DISPLAY

C.C.

(Enter the SERVICE MENU)

FUNCTION

(SERVICE ITEM select key)

BACK

(Return key)

1-20 (No.YA092B)

Page 21

3.2.4 SETTING OF FACTORY SHIPMENT

3.2.4.1 BUTTON OPERATION Setting item Setting position

POWER OFF INPUT TV CHANNEL CABLE-02 VOLUME 10

3.2.4.3 REMOTE CONTROL MENU OPERATION

(1) PICTURE ADJUST[ 1 ]

Setting item STANDARD DYNAMIC THEATER GAME

TINT

COLOR

PICTURE

BRIGHT

DETAIL

COLOR TEMPERATURE

NTSC / 525i / 525p

1125i / 750p

NTSC / 525i / 525p

1125i / 750p

NTSC / 525i / 525p

1125i / 750p

NTSC / 525i / 525p

1125i / 750p

NTSC / 525i / 525p

1125i / 750p

NTSC / 525i / 525p

1125i / 750p

3.2.4.2 REMOTE CONTROL DIRECT OPERATION Setting item Setting position

INPUT TV CHANNEL CABLE-02 VOLUME 10 MUTING OFF DISPLAY OFF SOUND A.H.S OFF

BBE ON

SMART SOUND OFF

[HD-52Z585 / HD-61Z585]

ASPECT REGULAR CLOSED CAPTION (C.C) OFF VIDEO STATUS DYNAMIC TWIN PICTURE SOURCE LEFT SIDE : CA02

RIGHT SIDE : INPUT1

00 00 00 00

00 +10 00 -10

00 00 00 00

00 +05 00 00

LOW HIGHT HIGHT HIGHT

LOW HIGHT LOW HIGHT

(2) PICTURE ADJUST [ 2 ] (3) SOUND ADJUST (4) CLOCK / TIMERS

Setting item

Setting

position

Setting item

Setting

position

Setting item

Setting

position

DIG. NOISE CLEAR OFF TREBLE 00 SET CLOCK (Unnecessary to set) NATURAL CINEMA AUTO BASS 00 ON / OFF TIMER NO COLOR MANAGEMENT ON BALANCE 00 DYNAMIC GAMMA ON MTS STEREO

(5) INITIAL SETUP

Setting item Setting position Setting item Setting position

CENTER CH INPUT OFF POWER INDICATOR HIGH

DIGITAL-IN SIZE-1 (at 480p signal input) LANGUAGE ENG

DIGITAL-IN AUDIO DIGITAL CLOSED CAPTION OFF (CAPTION-CC1-T1)

TV SPEAKER ON AUTO SHUT OFF OFF

AUDIO OUT FIX XDS ID ON

NOISE MUTING ON AUTO TUNER SET UP Unnecessary to set

FRONT PANEL LOCK OFF CHANNEL SUMMARY ---- (Unnecessary to set)

V1 SMART INPUT OFF V-CHIP OFF

VIDEO INPUT LABEL --- (Blank) SET LOCK CODE (0000) (Unnecessary to set)

POSITION ADJUSTMENT Center AUTO DEMO OFF

(No.YA092B)1-21

Page 22

3.3 REPLACEMENT OF CHIP COMPONENT

3.3.1 CAUTIONS

(1) Avoid heating for more than 3 seconds. (2) Do not rub the electrodes and the resist parts of the pattern. (3) When removing a chip part, melt the solder adequately. (4) Do not reuse a chip part after removing it.

3.3.2 SOLDERING IRON

(1) Use a high insulation soldering iron with a thin pointed end of it. (2) A 30w soldering iron is recommended for easily removing parts.

3.3.3 REPLACEMENT STEPS

1. How to remove Chip parts [Resistors, capacitors, etc.]

(1) As shown in the figure, push the part with tweezers and

alternately melt the solder at each end.

2. How to install Chip parts [Resistors, capacitors, etc.]

(1) Apply solder to the pattern as indicated in the figure.

(2) Grasp the chip part with tweezers and place it on the

solder. Then heat and melt the solder at both ends of the chip part.

(2) Shift with the tweezers and remove the chip part.

[Transistors, diodes, variable resistors, etc.]

(1) Apply extra solder to each lead.

SOLDER

(2) As shown in the figure, push the part with tweezers and

alternately melt the solder at each lead. Shift and remove the chip part.

Note :

After removing the part, remove remaining solder from the pattern.

[Transistors, diodes, variable resistors, etc.]

(1) Apply solder to the pattern as indicated in the figure. (2) Grasp the chip part with tweezers and place it on the

solder.

(3) First solder lead A as indicated in the figure.

(4) Then solder leads B and C.

1-22 (No.YA092B)

Page 23

SECTION 4

ADJUSTMENTS

4.1 ADJUSTMENT PREPARATION

(1) You can make the necessary adjustments for this unit

with either the remote control unit or with the adjustment equipment and parts as given below.

(2) Adjustment with the remote control unit is made on the

basis of the initial setting values, however, the new setting values which set the screen to its optimum condition may differ from the initial settings.

(3) Make sure that AC power is turned on correctly. (4) Turn on the power for the set and test equipment before

use, and start the adjustment procedures after waiting at least 30 minutes.

(5) Unless otherwise specified, prepare the most suitable

reception or input signal for adjustment.

(6) Never touch any adjustment parts, which are not specified

in the list for this variable resistors, transformers, trimmer capacitors, etc.

4.2 PRESETTING BEFORE ADJUSTMENT

Unless otherwise specified in the adjustment instructions, preset the following functions with the remote control unit.

Setting item Settings position

VIDEO STATUS STANDARD PICTURE

(TINT / COLOR / BRIGHT/PICTURE / DETAIL)

COLOR TEMPERATURE DIG. NOISE CLEAR OFF

COLOR MANAGEMENT ON DYNAMIC GAMMA ON SOUND

(BASS / TREBLE / BALANCE)

MTS STEREO BBE OFF A.H.S OFF

SMART SOUND

ASPECT FULL

All 00

LOW

All 00

OFF

[HD-52Z585 / HD-61Z585]

4.3 MEASURING INSTRUMENT AND FIXTURES

1) DC voltmeter (or Digital voltmeter)

2) Oscilloscope

3) Signal generator (Pattern generator) [ NTSC / 525i / 750p / 1125i / DIGITAL]

4) TV audio multiplex signal generator

5) Remote control unit

4.4 ADJUSTMENT ITEMS

 OPTICAL BLOCK / DRIVE CIRCUIT

• LENS FOCUS adjustment

• DRIVE CONVERGENCE adjustment

• DRIVE CENTER POSITION adjustment

 VIDEO CIRCUIT

• 525i A-D OFFSET adjustment

• 1125i BRIGHTNESS adjustment

• 1125i A-D OFFSET adjustment

• SUB SCREEN A-D OFFSET adjustment

• WHITE BALANCE (HIGHT LIGHT)

 MTS CIRCUIT

• MTS INPUT LEVEL adjustment

• MTS SEPARATION adjustment

(No.YA092B)1-23

Page 24

4.5 BASIC OPERATION OF THE SERVICE MENU

Operate the SERVICE MENU with the remote control unit.

4.5.1 HOW TO ENTER THE SERVICE MENU

(1) Press the [SLEEP TIMER] key and while indication of

"SLEEP TIMER 0 MIN." is being displayed, press [DISPLAY] key and [VIDEO STATUS] key simultaneously, and the SERVICE MENU screen of Fig.1 will be displayed.

4.5.2 SELECT THE SERVICE MENU ITEM

(1) When the SERVICE MENU is displayed, press any key of

the [1] / [2] / [3] / [9] keys to enter the corresponding menu mode.

4.5.3 SELECT THE SETTING ITEM & SETTING VALUE

(1) Select the service item using the [FUNCTION ( (2) Set the value using the [FUNCTION (

/)] key.

 /)] key.

4.5.4 SETTING OF THE OPTICAL BLOCK / DRIVE CIRCUIT

(1) R/B mode (DRIVE / CONVERGENCE) adjust

Set the R mode value using the [FUNCTION (

 /)] key

Set the B mode value using the [FUNCTION (/)] key

(2) RGB BOX mode (DRIVE CENTER POSITION) adjust

Set the horizontal center position value using the [FUNCTION (

 /)] key

Set the vertical center position value using the [FUNCTION (/)] key

4.5.5 MEMORIZED SETTING VALUE

(1) Press the [MUTING] key to memorize the adjustment value.

If not to do it, adjustment data is not memorized to the memory IC. And if exit the adjustment mode before memorize the data, the adjustment which your changed value is canceled.

(2) Adjustment data is applied at once in OPTICAL BLOCK /

DRIVE CIRCUIT adjustment mode.

CAUTION

Individual items 1, 2 and 3 on the SERVICE MENU screen (Fig.1) are selected by the Number key (Fig.2).

When selecting each item on the SERVICE MENU, if [4] ~ [8] keys other than [1], [2], [3] and [9] keys are pressed by mistake, another screen that is not the SERVICE MENU will appear. In such a case, press the [BACK] key immediately and return to the SERVICE MENU screen.

Do not press the [MUTING] key.

SERVICE MENU

1. ADJUST

2. SELF-CHECK

3. I2C STOP

TV / CATV

(Set toTV)

SLEEP TIMER

(Skip / Enter the SERVICE MENU)

MUTING (Memory key)

FUNCTION

(Value setting key)

(Come out SERVICE MENU key )

SERVICE MENU

Fig.1

KEY FUNCTION

CATV VCR DVD

ASPECT

MULTI SCREEN

INDEX

SWAP SELECT

123

456

789

TUNE

THEATER

PRO

DISPLAY

SOUND

VOL VOL

VCR / DVD

PREV NEXT

POWER

REW

STOP

REC PAUSE

RM-C15G

POWER

RETURN+

VIDEO

STATUS

LIGHT

BACK

TV / VCR

FFPLAY

STILL PAUSE

C.C.

TWIN

FREEZE

INPUT 1

INPUT 2

INPUT 3

INPUT 4

DIGITAL-IN

D-IN

SLEEP TIMER

MUTING

VCR CHANNEL

OPEN CLOSE

Fig.2

POWER

VCR/DVD

(Set to VCR)

1 32

SERVICE MENU item select

VIDEO STATUS

DISPLAY

(Enter the SERVICE MENU)

FUNCTION

(SERVICE ITEM select key)

BACK

(Return key)

4.5.6 HOW TO EXIT THE SERVICE MENU

Press the [MENU] key to exit the SERVICE MENU.

1-24 (No.YA092B)

Page 25

4.5.7 DESCRIPTION OF STATUS DISPLAY

The status display on the upper part of the SERVICE MENU screen is common.

(1) SIGNAL SYSTEM

(OSD) (EXPLAIN) NTSC3 : NTSC3.58 NTSC4 : NTSC4.48 525I : 525i 525P : 525p 750P : 750p

1125I6 : 1125i 60Hz RGB5 : RGB 525i D525I : digital 525i D525P : digital 525p D1256I6 : digital 1125i 60Hz H525I : HDMI 525i H525P : HDMI 525p H750P : HDMI 750p H1125I6 : HDMI 1125i 60Hz

(2) ASPECT

SINGLE

1409 : FULL 1609 : PANORAMA 1609S : CINEMA FULL : REGULAR

TWIN / INDEX

FRZ : TWIN STD : INDEX (12CH)

(3) VIDEO STATUS

STD : STANDARD DYN : DYNAMIC TH : THEATER GAME : GAME

(4) WHITE BALANCE

H : HIGH M: LOW

SETTING ITEM No.

SIGNAL SYSTEM

SETTING ITEM

ASPECT

SERVICE MENU

1. ADJUST

2. SELF-CHECK

3. I2C STOP

STATUS DISPLAY

S001

NTSC3 FULL TH H

PREPARE

[1. ADJUST ] MENU

SETTING VALUE

WHITE BALANCE

VIDEO STATUS

4.5.8 SETTING OF THE SERVICE MENUS

4.5.8.1 [1.ADJUST]  Do not change settings of items that are not

included in the "ADJUSTMENT PROCEDURE".

[Function (/)] key

For scrolling up/down the setting items.

S001... T001... P001... D001... Z001

[SLEEP TIMER] key

For switching to the next items.

S001 T001 P001 D001 Z001

[Function ( /)] key

For scrolling up/down the setting values.

4.5.8.2 [2.SELF CHECK]

Refer to “SECTION 5 TROUBLESHOOTING”

4.5.8.3 [3.I

C STOP]

Setting for this item is not required in servicing

4.5.8.4 [9] RGB BOX PATTERN

Adjustment of DRIVE CIRCUIT (CONVERGENCE / CENTER POSITION)

RGB BOX pattern

Indicated R/B mode & RGB mode

[9] RGB BOX PATTERN

(No.YA092B)1-25

Page 26

4.6 INITIAL SETTING VALUE OF SERVICE MENU

(1) Adjustment of the SERVICE MENU is made on the basis of the initial setting values; however, the new setting values which set

the screen in its optimum condition may differ from the initial setting.

(2) Do not change the initial setting values of the setting items NOT LISTED IN ADJUSTMENT.

CAUTION:

Never change the initial setting value any adjustments except for those that are designated in the adjustment procedures.

In case where you have made undesignated adjustments by mistake, never press the [MUTING] key on the remote control unit. Whenever you had not pressed the [MUTING] key, you would be able to recover the initial value by switching the [POWER] key.

4.6.1 [1.ADJUST]

VIDEO SYSTEM

Item No. Item name Variable range Setting value

AUDIO SYSTEM

Item No. Item name Variable range Setting value

S001 PREPARE 0~31 0

S002 NTSC BL 0~15 1

S003 NTSC CNT 0~255 44

S004 NT CR OF 0~15 4

S005 NT CB OF 0~15 4

S006 525i BL 0~15 1

S007 525i CNT 0~255 44

S008 5i CB OF 0~15 0

S009 5i CR OF 0~15 0

S010 5i CR GN 0~15 4

S011 5i CB GN 0~15 4

S012 HD BL 0~63 0

S013 HD CB OF 0~63 0

S014 HD CR OF 0~63 0

S015 RT CONT 0~15 7

S016 RT CB OF 0~15 2

S017 RT CR OF 0~15 5

S018 RT CL GA 0~15 4

S019 PC CL MB 0~7 0

S020 PC CL LB 0~255 0

S021 PC CL MR 0~3 0

S022 PC CL LR 0~255 0

S023 (NO DISPLAY) 0~255 0

S024 (NO DISPLAY) 0~255 0

S025 (NO DISPLAY) 0~255 0

S026 (NO DISPLAY) 0~255 0

S027 (NO DISPLAY) 0~255 0

S028 (NO DISPLAY) 0~255 0

S029 (NO DISPLAY) 0~255 0

S030 R DRIVE 0~255 0

S031 G DRIVE 0~255 0

S032 B DRIVE 0~255 0

S033 (NO DISPLAY) 0~255 0

S034 (NO DISPLAY) 0~255 0

S035 (NO DISPLAY) 0~255 0

S036 (NO DISPLAY) 0~255 0

S037 (NO DISPLAY) 0~255 0

S038 (NO DISPLAY) 0~255 0

S039 ILA COM 0~255 0

T001 IN LEVEL 0~255 007

T002 LOW SEP 0~255 037

T003 HIGH SEP 0~255 033

T004 AFC 0~255 0 (Fixed)

T005 (NO DISPLAY) 0~255 0 (Fixed)

T006 ATT V ON 0~1 0 (Fixed)

T007 ATT U ON 0~1 0 (Fixed)

T008 ATT C ON 0~1 0 (Fixed)

T009 (NO DISPLAY) 0~255 0 (Fixed)

T010 (NO DISPLAY) 0~255 0 (Fixed)

PANEL CONTROL SYSTEM [Do not adjust : All fixed]

Item No. Item name Variable range Setting value

P001 TM HOR H 0~255 0

P002 TM HOR L 0~255 0

P003 TM MIN 0~255 0

P004 TEMP 0~255 0

P005 (NO DISPLAY) 0~255 0

P006 (NO DISPLAY) 0~255 0

P007 (NO DISPLAY) 0~255 0

P008 (NO DISPLAY) 0~255 0

P009 (NO DISPLAY) 0~255 0

P010 (NO DISPLAY) 0~255 0

DRIVE SYSTEM [Do not adjust : All fixed]

Item No. Item name Variable range Setting value

D001 SLV GN 0~3F 00

D002 SLVH GN 0~3F 00

D003 SLH GN 0~3F 00

D004 SLV Pf 0~03 00

D005 SLH Pf H 0~01 00

D006 SLH Pf L 0~03 00

D007 SL EGCON 0~3F 00

D008 SL EGONF 0~01 00

D009 SL CRGON 0~3F 00

D010 SL CRGON 0~01 00

D011 SL ON OF 0~01 00

1-26 (No.YA092B)

Page 27

Item No. Item name Variable range Setting value

D012 SV GN 0~3F 00

D013 SVH GN 0~3F 00

D014 SH GN 0~3F 00

D015 SV Pf 0~03 00

D016 SV Pf H 0~01 00

D017 SV Pf L 0~03 00

D018 SYL CON 0~3F 00

D019 SYL CONF 0~01 00

D020 SYH CON 0~3F 00

D021 SYH CONF 0~01 00

D022 SC CON 0~3F 00

D023 SC CNONF 0~01 00

D024 SPM BLC 0~3F 00

D025 SPM BLCO 0~01 00

D026 SLIM 0~3F 00

D027 SLIMONF 0~01 00

D028 SCRG 0~3F 00

D029 SRGONF 0~01 00

D030 S ONF 0~01 00

D031 pb GN 0~3F 00

D032 pb Pf H 0~01 00

D033 pb Pf L 0~03 00

D034 pb CRG 0~3F 00

D035 pb CRGON 0~01 00

D036 pb ONF 0~01 00

D037 pr GN 0~3F 00

D038 pr Pf H 0~01 00

D039 pr Pf H 0~03 00

D040 pr CRG 0~3F 00

D041 pr CRGON 0~01 00

D042 pr ONF 0~01 00

D043 ENH ONF 0~01 00

D044 (NO DISPLAY) 0~FF 00

D045 (NO DISPLAY) 0~FF 00

D046 (NO DISPLAY) 0~FF 00

D047 (NO DISPLAY) 0~FF 00

D048 (NO DISPLAY) 0~FF 00

D049 (NO DISPLAY) 0~FF 00

D050 (NO DISPLAY) 0~FF 00

D051 (NO DISPLAY) 0~FF 00

D052 (NO DISPLAY) 0~FF 00

D053 (NO DISPLAY) 0~FF 00

D054 (NO DISPLAY) 0~FF 00

D055 (NO DISPLAY) 0~FF 00

D056 (NO DISPLAY) 0~FF 00

D057 (NO DISPLAY) 0~FF 00

D058 (NO DISPLAY) 0~FF 00

D059 (NO DISPLAY) 0~FF 00

Item No. Item name Variable range Setting value

D060 (NO DISPLAY) 0~FF 00

D061 (NO DISPLAY) 0~FF 00

D062 (NO DISPLAY) 0~FF 00

D063 (NO DISPLAY) 0~FF 00

D064 (NO DISPLAY) 0~FF 00

D065 (NO DISPLAY) 0~FF 00

D066 (NO DISPLAY) 0~FF 00

D067 (NO DISPLAY) 0~FF 00

D068 (NO DISPLAY) 0~FF 00

D069 (NO DISPLAY) 0~FF 00

D070 (NO DISPLAY) 0~FF 00

D071 (NO DISPLAY) 0~FF 00

D072 (NO DISPLAY) 0~FF 00

D073 (NO DISPLAY) 0~FF 00

D074 (NO DISPLAY) 0~FF 00

D075 (NO DISPLAY) 0~FF 00

D076 (NO DISPLAY) 0~FF 00

D077 (NO DISPLAY) 0~FF 00

D078 (NO DISPLAY) 0~FF 00

D079 (NO DISPLAY) 0~FF 00

D080 (NO DISPLAY) 0~FF 00

D081 (NO DISPLAY) 0~FF 00

D082 (NO DISPLAY) 0~FF 00

D083 (NO DISPLAY) 0~FF 00

D084 (NO DISPLAY) 0~FF 00

D085 (NO DISPLAY) 0~FF 00

D086 (NO DISPLAY) 0~FF 00

D087 (NO DISPLAY) 0~FF 00

D088 (NO DISPLAY) 0~FF 00

D089 (NO DISPLAY) 0~FF 00

D090 (NO DISPLAY) 0~FF 00

D091 (NO DISPLAY) 0~FF 00

D092 (NO DISPLAY) 0~FF 00

D093 (NO DISPLAY) 0~FF 00

D094 (NO DISPLAY) 0~FF 00

D095 (NO DISPLAY) 0~FF 00

D096 (NO DISPLAY) 0~FF 00

D097 (NO DISPLAY) 0~FF 00

D098 (NO DISPLAY) 0~FF 00

D099 (NO DISPLAY) 0~FF 00

D100 (NO DISPLAY) 0~FF 00

D101 (NO DISPLAY) 0~FF 00

D102 (NO DISPLAY) 0~FF 00

D103 (NO DISPLAY) 0~FF 00

D104 (NO DISPLAY) 0~FF 00

D105 (NO DISPLAY) 0~FF 00

D106 (NO DISPLAY) 0~FF 00

D107 (NO DISPLAY) 0~FF 00

(No.YA092B)1-27

Page 28

Item No. Item name Variable range Setting value

D108 (NO DISPLAY) 0~FF 00

D109 (NO DISPLAY) 0~FF 00

D110 (NO DISPLAY) 0~FF 00

D111 (N O DI SP LAY) 0~FF 00

D112 (NO DISPLAY) 0~FF 00

D113 (NO DISPLAY) 0~FF 00

D114 (NO DISPLAY) 0~FF 00

D115 (NO DISPLAY) 0~FF 00

D116 (NO DISPLAY) 0~FF 00

D117 (NO DISPLAY) 0~FF 00

D118 (NO DISPLAY) 0~FF 00

D119 (NO DISPLAY) 0~FF 00

D120 (NO DISPLAY) 0~FF 00

D121 (NO DISPLAY) 0~FF 00

D122 (NO DISPLAY) 0~FF 00

D123 (NO DISPLAY) 0~FF 00

D124 (NO DISPLAY) 0~FF 00

D125 (NO DISPLAY) 0~FF 00

D126 (NO DISPLAY) 0~FF 00

D127 (NO DISPLAY) 0~FF 00

D128 (NO DISPLAY) 0~FF 00

D129 (NO DISPLAY) 0~FF 00

D130 (NO DISPLAY) 0~FF 00

D131 (NO DISPLAY) 0~FF 00

D132 (NO DISPLAY) 0~FF 00

D133 (NO DISPLAY) 0~FF 00

D134 (NO DISPLAY) 0~FF 00

D135 (NO DISPLAY) 0~FF 00

D136 (NO DISPLAY) 0~FF 00

D137 (NO DISPLAY) 0~FF 00

D138 (NO DISPLAY) 0~FF 00

D139 (NO DISPLAY) 0~FF 00

D140 (NO DISPLAY) 0~FF 00

D141 (NO DISPLAY) 0~FF 00

D142 (NO DISPLAY) 0~FF 00

D143 (NO DISPLAY) 0~FF 00

D144 (NO DISPLAY) 0~FF 00

D145 (NO DISPLAY) 0~FF 00

D146 (NO DISPLAY) 0~FF 00

D147 (NO DISPLAY) 0~FF 00

D148 (NO DISPLAY) 0~FF 00

D149 (NO DISPLAY) 0~FF 00

D150 (NO DISPLAY) 0~FF 00

D151 (NO DISPLAY) 0~FF 00

D152 (NO DISPLAY) 0~FF 00

D153 ENH ONF 0~FF 00

D154 (NO DISPLAY) 0~FF 00

D155 (NO DISPLAY) 0~FF 00

D156 (NO DISPLAY) 0~FF 00

D157 (NO DISPLAY) 0~FF 00

D158 (NO DISPLAY) 0~FF 00

D159 (NO DISPLAY) 0~FF 00

D160 (NO DISPLAY) 0~FF 00

D161 (NO DISPLAY) 0~FF 00

D162 (NO DISPLAY) 0~FF 00

D163 (NO DISPLAY) 0~FF 00

D164 (NO DISPLAY) 0~FF 00

D165 (NO DISPLAY) 0~FF 00

D166 (NO DISPLAY) 0~FF 00

D167 (NO DISPLAY) 0~FF 00

D168 (NO DISPLAY) 0~FF 00

D169 (NO DISPLAY) 0~FF 00

D170 (NO DISPLAY) 0~FF 00

D171 (NO DISPLAY) 0~FF 00

D172 (NO DISPLAY) 0~FF 00

D173 (NO DISPLAY) 0~FF 00

D174 (NO DISPLAY) 0~FF 00

D175 (NO DISPLAY) 0~FF 00

D176 (NO DISPLAY) 0~FF 00

D177 (NO DISPLAY) 0~FF 00

D178 (NO DISPLAY) 0~FF 00

D179 (NO DISPLAY) 0~FF 00

D180 (NO DISPLAY) 0~FF 00

D181 (NO DISPLAY) 0~FF 00

D182 (NO DISPLAY) 0~FF 00

D183 (NO DISPLAY) 0~FF 00

D184 (NO DISPLAY) 0~FF 00

D185 (NO DISPLAY) 0~FF 00

D186 (NO DISPLAY) 0~FF 00

D187 (NO DISPLAY) 0~FF 00

SYSTEM SETTING [Do not adjust : All fixed]

Item

No.

Z001 (NO DISPLAY) 0~0F 00

Z002 (NO DISPLAY) 0~0F 00

Z003 (NO DISPLAY) 0~0F 00

Z004 (NO DISPLAY) 0~FF 00

Z005 (NO DISPLAY) 0~FF 00

Z006 (NO DISPLAY) 0~FF 00

Z007 (NO DISPLAY) 0~FF 00

Z008 (NO DISPLAY) 0~FF 00

Z009 (NO DISPLAY) 0~FF 00

Z010 (NO DISPLAY) 0~FF 00

Item name Variable range Setting value

1-28 (No.YA092B)

Page 29

4.7 ADJUSTMENT PROCEDURE

4.7.1 OPTICAL BLOCK / DRIVE CIRCUIT

Item

LENS FOCUS adjustment

Measuring instrument

Hexagon wrench

Test point Adjustment part Description

FOCUS knob

Focus lock screw

FOCUS knob [PROJECTION LENS]

Projection lens

(1) Take out the FRONT PANEL, SPEAKER GRILL

(L / R), CENTER PANEL and cushions. (2) Display the MENU screen. (3) Loosen the FOCUS LOCK screw. (4) Adjust the FOCUS knob so that the center screen

may become the best focus. (5) Fix the focus lock screw by using the Hexagon

wrench.

• On this occasion, hold the FOCUS knob with your left hand.

(6) Confirm the whole focus of the best screen (7) Install the FRONT PANEL, SPEAKER GRILL (L / R).

BODY COVER and cushions.

DRIVE CONVERGENCE adjustment

(Adjust)

(Fixed)

(Adjust)

Cross pattern

Adjustment COLOR mode

Remote control unit

(R) (G) (B)

(Fixed)

(Adjust) (Adjust)

(R)

(G)(B)

RGB BOX PATTERN

[REMOTE CONTROL UNIT KEY FUNCTION]

SLEEP TIMER : R / B data reset / SERVICE MENU setting

VOL - : R / B move to Left side by 1 pixel

MENU : (Return to normal MENU)

INPUT 2

456

INPUT 3

789

INPUT 4

TUNE

THEATER

DIGITAL-IN

PRO

D-IN

SLEEP TIMER

DISPLAY

MUTING

VOL VOL

VCR CHANNEL

PREV NEXT

REW

REC PAUSE

STOP

OPEN CLOSE

SOUND

VCR / DVD

POWER

RETURN+

VIDEO

STATUS

LIGHT

C.C.

BACK

TV / VCR

FFPLAY

STILL PAUSE

• Use the inner RGB box pattern.

(1) Set the [SLEEP TIMER] key to 0 min. (2) Press the [DISPLAY] key and the [VIDEO STATUS]

key simultaneously. (3) Press the [9] key to display the RGB box pattern. (4) Select the R mode by pressing the [DISPLAY] key. (5) Adjust the R mode to setting as same as G mode by

pressing the [CH ]+ / [CH -] key. (6) Select the B mode pressing by the [DISPLAY] key. (7) Adjust the B mode to setting as same as G mode by

pressing the [VOL] - / [VOL +] key. (8) Check to see that the cross pattern is white. If the

cross pattern is not white, readjust (5) to (6).

Note

• G mode : FIXED mode (Can not remove)

• Setting data : Memorized at once.

9 : RGB BOX PATTERN

DISPLAY : OSD ON/OFF select : R B RGB

CH + : R / B up position 1 pixel

VOL +: R / B move to right side by 1 pixel

BACK: Return to SERVICE MENU

CH - : R / B Down position by 1 pixel

(No.YA092B)1-29

Page 30

Item

DRIVE CENTER POSITION adjustment

Center-cross pattern

Measuring instrument

Signal generator

Remote control unit

Test point Adjustment part Description

(1) Input the center-cross signal pattern. (2) Set the [SLEEP TIMER] to 0 min. (3) Press the [DISPLAY] key and the [VIDEO STATUS]

key simultaneously. (4) Press the [9] key to display the RGB box pattern. (5) Press the [DISPLAY] key twice to select the RGB

mode. (6) Adjust the center-cross screen to be same on top

and bottom (A=B) by pressing the [CH +] / [CH -] key.

(7) Adjust the center-cross screen to be same on left

and right (C=D) by pressing the [VOL +] / [VOL -]

key.

Note

• Setting data : Memorized at once.

Cross pattern

Indicated RGB mode

RGB

RGB BOX PATTERN

[REMOTE CONTROL UNIT KEY FUNCTION]

SLEEP TIMER : R / B data reset / SERVICE MENU setting

VOL - : R / B/RGB move to Left side by 1 pixel

MENU : (Return to normal MENU)

INPUT 2

456

INPUT 3

789

INPUT 4

TUNE

THEATER

DIGITAL-IN

PRO

D-IN

SLEEP TIMER

DISPLAY

MUTING

VOL VOL

VCR CHANNEL

PREV NEXT

REW

REC PAUSE

OPEN CLOSE

STOP

SOUND

VCR / DVD

POWER

STILL PAUSE

RETURN+

VIDEO

STATUS

LIGHT

C.C.

BACK

TV / VCR

FFPLAY

9 : RGB BOX PATTERN

DISPLAY : OSD ON/OFF select : R B RGB

CH + : R / B/RGB up position 1 pixel

VOL +: R / B/RGB move to right side by 1 pixel

BACK: Return to SERVICE MENU

CH - : R / B/RGB Down position

by 1 pixel

1-30 (No.YA092B)

Page 31

4.7.2 VIDEO CIRCUIT

Item

525i A-D OFFSET

Measuring

instrument

Signal generator

adjustment

Remote control unit

Test point Adjustment part Description

[1. ADJUST] S001: PREPARE

S008: 5i CB OF (525i Cb offset)

S009: 5i CR OF (525i Cr offset)

(1) Input a 525i ramp pattern from COMPONENT

VIDEO INPUT terminal. (2) Set VIDEO STATUS to [STANDARD]. (3) Set ASPECT to [FULL]. (4) Set COLOR TEMPERATURE to [LOW]. (5) Select [1.ADJUST] from the SERVICE MENU. (6) Adjust < S001 >(PREPARE) from 000 to 008, goes

into the [525i Cb offset] adjustment setting mode. (7) Adjust < S008 > (525i Cb offset) and < S009 > (525i

Cr offset) to sets the lose gap (red line, green line

and blue line) which disappears the colors at both

ends of the center screen. (8) Press the [MUTING] key to memorized the set

value. (9) Repeat from (6) and (7), then check to see that both

ends color to white.

(10) Adjust < S001 > from 008 to 000, it change

to the normal mode.

1125i BRIGHTNESS adjustment

Disappears the color at both ends.

Signal generator

Remote control unit

[1. ADJUST] S001:PREPARE

S012:HD BL (1125i brightness)

S030:R DRIVE (Red drive)

S031:G DRIVE (Green drive)

S032:B DRIVE (Blue drive)

Adjust the white area of 0% part largest.

(1) Input a 1125i gray scale pattern from COMPONENT

and < S032 > (Blue drive) to set the values [128]. (7) Adjust < S001 > (PREPARE) from 000 to 012,

it goes to [A/D offset] adjustment mode. (8) Adjust < S012 > (HDBL) to set the 0% black part in

the upper half of the screen to be largest. (9) Press the [MUTING] key to memorized the set

value.

(10) Adjust < S001 > from 012 to 000, it change

to the normal mode.

(No.YA092B)1-31

Page 32

Item

1125i A-D OFFSET adjustment

Measuring

instrument

Test point Adjustment part Description

Signal generator

Remote control unit

Minimize the red and blue noises in the upper half of the screen. (No color or lightest color)

[1. ADJUST] S001:PREPARE

S013:HD CB OF (1125i Cb offset)

S014:HD CR OF (1125i Cr offset)

S030:R DRIVE (Red drive)

S031:G DRIVE (Green drive)

S032:B DRIVE (Blue drive)

(1) Input a 1125i 30% all white pattern signal from

COMPONENT VIDEO INPUT terminal. (2) Set VIDEO STATUS to [STANDARD]. (3) Set ASPECT to [FULL].

(4) Set COLOR TEMPERATURE to [LOW]. (5) Select [1.ADJUST] from the SERVICE MENU. (6) Adjust < S030 > (Red drive), < S031 > (Green drive)

and < S032 > (Blue drive) to set the values [128]. (7) Adjust < S001 > (PREPARE) from 000 to 013,

it goes to [Cb offset] adjustment mode. (8) Adjust < S013 > (1125i Cb offset) to minimize the

blue noise in the upper half of the screen. (9) Adjust < S014 > (1125i Cr offset) to minimize the red

noise in the upper half of the screen.

(10) Press the [MUTING] key to memorized the set

value.

(11) Repeat from (8) to (10) then adjust the adjustment

screen lightest color.

(12) Adjust < S001 > (PREPARE) from 013 to 000,

it change to the normal mode.

SUB SCREEN A-D OFFSET adjustment

Signal generator

Remote control unit

[1. ADJUST] S001:PREPARE

S016:RT CB OF (Sub screen Cb offset)

S017:RT CR OF (Sub screen Cr offset)

S030:R DRIVE (Red drive)

S031:G DRIVE (Green drive)

S032:B DRIVE (Blue drive)

(1) Set VIDEO STATUS to [STANDARD]. (2) Set ASPECT to [FULL]. (3) Set COLOR TEMPERATURE to [LOW]. (4) Set MULTI SCREEN to [TWIN]. (5) Set the LEFT screen to VIDEO-1 mode (No signal). (6) Receive a NTSC 30% all white signal on the RIGHT

screen from RF(TV). (7) Select [1.ADJUST] from the SERVICE MENU. (8) Adjust < S030 > (Red drive), < S031 > (Green drive)

and < S032 > (Blue drive) to set the values [128]. (9) Adjust < S001 > (PREPARE) from 000 to 016,

it goes to [Sub-screen Cb offset] adjust mode.

(10) Adjust < S016 > (Sub-screen Cb offset) to minimize

the blue noise in the upper half of the screen.

If you select < S016 >, the screen automatically turn

to adjust mode.

Set the 0% black part to be brightest.Video no signal.

(11) Adjust < S017 > (Sub-screen Cr offset) to minimize

the red noise in the upper half of the screen.

(12) Press the [MUTING] key to memorized the set

value.

(13) Adjust < S001 > (PREPARE) from 016 to 000,

it change to the normal mode.

1-32 (No.YA092B)

VIDEO-1

TV (RF)

<30% all white>

Page 33

Item

WHITE BALANCE

(High light) adjustment

Measuring

instrument

Signal generator

Remote control unit

Test point Adjustment part Description

[1. ADJUST] S030:R DRIVE (Red drive)

S031:G DRIVE (Green drive)

S032:B DRIVE (Blue drive)

(1) Receive a NTSC all-white (75% white) pattern

signal. (2) Set VIDEO STATUS to [STANDARD]. (3) Set ASPECT to [FULL]. (4) Set COLOR TEMPERATURE to [LOW]. (5) Select [1.ADJUST] from the SERVICE MENU. (6) Fix one of < S030 > (Red drive), < S031 > (Green

drive) or < S032 > (Blue drive). Then, lower the other

two that are not fixed so that the all-white screen is

equally white throughout. (7) Adjust one or more of < S030 > (R.DRIVE), < 031 >

(G DRIVE) and < 032 > (B DRIVE) to set values [128]. (8) Check that white balance is properly tracked from

low light to high light. If the white balance tracking is

deviated, adjust to correct it. (9) Press the [MUTING] key to memorized the set

value.

4.7.3 MTS CIRUT

Item

MTS INPUT LEVEL

adjustment

MTS SEPARATION

adjustment

L-Channel signal waveform

1 cycle

Measuring

instrument

Remote control unit

TV audio multiplex

Oscilloscope

Remote control unit

Test point Adjustment part Description

[1. ADJUST] T001:IN LEVEL

(1) Select the [1.ADJUST] from the SERVICE MENU. (2) Select the <T001> (IN LEVEL). (3) Set the <T001> (IN LEVEL) to initial setting value. (4) Press the [MUTING] key to memorized the set

value.

[1. ADJUST] T002: LOW SEP

T003: HIGH SEP

(1) Input stereo L signal (300Hz) from the TV audio

multiplex signal generator to the antenna terminal. (2) Connect an oscilloscope to L OUTPUT pin of the

AUDIO OUT, and display one cycle portion of the

300Hz signal. (3) Change the connection of the oscilloscope to R

OUTPUT pin of the AUDIO OUT, and enlarge the

voltage axis. (4) Select <T002> (LOW SEP.). (5) Set the initial setting value of <T002> (LOW SEP.).

R-Channel crosstalk portion

Minimum

(6) Adjust <T002> (LOW SEP.) so that the stroke

element of the 300Hz signal will become minimum. (7) Change the signal to 3kHz, and similarly adjust

<T003> (HIGH SEP.). (8) Press the [MUTING] key to memorized the set

value.

(No.YA092B)1-33

Page 34

SECTION 5

TROUBLESHOOTING

5.1 SELF-CHECK FEATURE

5.1.1 OUTLINE

This unit comes with the SELF-CHECK feature, which checks the operational state of the circuit and displays/saves it during failure. SELF-CHECK is performed when power is turned on, and information input to the main microcomputer is monitored at all time. SELF-CHECK is displayed in 2 ways via screen display and LED flashes. Failure detection is based on input state of I and the various control lines connected to the main microcomputer.

5.1.2 HOW TO ENTER THE SELF-CHECK DISPLAY SCREEN

Before entering the SELF-CHECK display mode, confirm that the setting of TV / CATV SW of the REMOTE CONTROL UNIT is at the "TV" side and the setting of VCR / DVD SW is at the "VCR" side. If the switches have not been properly set, you cannot enter the SELF-CHECK display mode.

(1) Press the [SLEEP TIMER] key and set it to 0 minutes. (2) Press the [VIDEO STATUS] key and [DISPLAY] key

simultaneously, then enter the SERVICE MENU.

(3) Press the [2] key to enter the SELF-CHECK mode.

5.1.3 HOW TO EXIT THE SELF-CHECK DISPLAY SCREEN TO SAVE FAILURE HISTORY :

Turn off the power by unplugging the AC power cord plug when in the SELF-CHECK mode.

2C bus

SERVICE MENU

1. ADJUST

2. SELF-CHECK

3. I2C STOP

Fig.1

< SELF-CHECK SCREEN >

LOB FAN OK SYNC S:OK HD:OK TIM MSM DIGI OK MEM AVSW OK YC AIO OK TUN GCR OK IP DVI HDMI OK

OK M:OK OK OK OK OK OK OK OK

RGB NG 2

TO CLEAR (RESET) FAILURE HISTORY :

Turn off the power by pressing the [POWER] key on the remote control unit when in the SELF-CHECK display screen.

5.1.4 FAILURE HISTORY

Failure history can be counted up to 9 times for each item. When the number exceeds 9, display will remain as 9. Failure history will be stored in the memory unless it has been deleted.

NOTE :

Only SYNC (with/without sync signals) will be neither counted nor stored.

5.1.5 POINTS TO NOTE WHEN USING THE SELF-CHECK FEATURE

In addition to circuit failures (abnormal operation), the following cases may also be SELF-CHECK as "Abnormal" and displayed and counted as "NG".

(1) Temporary defective transmissions across circuits due to

pulse interruptions.

(2) Misalignment in the on/off timing of power for I

C bus

(VCC) when turning on/off the main power. SELF-CHECK may be impeded if a large number of items are displayed as "NG". As such, start SELF-CHECK only after 3 seconds in the case of receivers and 5 seconds in the case of panels upon turning on the power. If recurrences are expected, ensure to clear (reset) the failure history and record the new SELF-CHECK results.

Item Item

CHECK Normality : OK Abnormality : NG

Fig.2

1-34 (No.YA092B)

Page 35

5.1.6 DETAILS

Self-check is performed for the following items.

Check item Display Description of detection

Low bias line short protection

LOB Low bias line (9V / 5V) short protector

activated. Confirm the operation of the low bais

Diagnosis

signal (line)

Protector Detection starts 3 seconds upon power

on Turns off power if NG is detected

within 400ms. protection circuit. [Q2802 /Q2801] (REGULATOR PWB)

Fan lock (stop) FAN Confirmation of operating stop of heat

cooling fan. [IC8005 : 1 / 2 / 4 / 5-pin]

Protector Detection starts 3 seconds upon power

on Turns off power if NG is detected

within 250ms. (FAN CONTROL PWB)

AC timer clock TIM Not used ---

Presence of sync signal

SYNC Confirmation of presence of video sync

SDA Confirmation of presence of video sync

signal.

---

signal. M : Main sync signal S : Sub sync signal HD : Component sync signal

[IC201] (ANALOG SIGNAL PWB)

MAIN CPU communication

MSM Confirmation of ACK (response) signal

which used sync communications with Chassis CPU. [IC7601] (DIGITAL SIGNAL PWB)

WAKE If it checks whenever sync

communication with SHM performed and

no reply of ACK signal an error will be

counted.

Digital tuner DIGI Not used --- ---

Memory for chassis CPU

MEM Confirmation of reply of ACK signal which

C communication.

used I

[IC7602] (DIGITAL SIGNAL PWB)

AV switch AVSW Same as above

SDA

SDA Same as above

If checks whenever I2C communication

is performed and no reply of ACK signal

an error will be counted.

[IC501] (ANALOG SIGNAL PWB)

3D YC separation

YC Same as above

[IC1001] (DIGITAL SIGNAL PWB)

Audio process

AIO Same as above

[IC1140] (RECEIVER PWB)

RF tuner TUN Same as above

[TU1101] (RECEIVER PWB)

Ghost reduction GCR Not used ---

DIST process IP Confirmation of reply of ACK signal which

C communication.

used I

SDA If checks whenever I2C communication

[IC3001] (DIGITAL SIGNAL PWB)

---

is performed and no reply of ACK signal

an error will be counted.

RGB process RGB Same as above

[IC4001] ((DIGITAL SIGNAL PWB)

DVI transmission DVI Not used --- ---

Digital input receive HDMI Confirmation of reply of ACK signal which

C communication.

used I [IC8001] (DIGITAL SIGNAL PWB)

SDA If checks whenever I

performed and no reply of ACK signal

an error will be counted.

Means of detection

communication is

(No.YA092B)1-35

Page 36

5.1.7 DISPLAY METHOD WHEN RASTER IS NOT AVAILABLE

In a state where a display screen does not appear due to the failure of this unit, the POWER LED (blue) and LAMP LED (orange) can light up and display a trouble mode. The factors in case the power is forcibly shut down at the time of failure are memorized and those are displayed.

Check item Contents

Lamp does not light up Detection of lamp return (LAMP_RTN) signals output

depending on the status of the lamp supply electric current monitored constantly within the lamp ballast unit. (H = Off) [LAMP BALLAST UNIT : CN200 [3pin] ]

Lamp goes out Detection of lamp return (LAMP_RTN) signals output

depending on the status of the lamp supply electric current monitored constantly within the lamp ballast unit. (H = Off) [LAMP BALLAST UNIT : CN200 [3pin] ]

Abnormal DD CPU circuit Detection of serial communication error between MAIN

DRIVE PWB and RECEIVER PWB. [IC3701 [5 / 7pin] ] (MAIN DRIVE PWB)

Fan lock (stop) Detection of LOCK signals outputting the operation

(circuit) status of the cooling fan. (H=Abnormal) [IC8005 : 1 / 2 / 4 / 5-pin] (FAN CONTROL PWB)

Lamp cover open Detection of the interlock switch status for the lamp cover.

(H = Abnormal) [S0201] (LAMP COVER SW PWB)

Abnormal D-ILA DEVICE temperature

Detection of abnormal inner cabinet temperature. (53°C) [ IC2001] (TEMPERATURE SENSOR PWB)

Classifi-

cations

0.1 sec interval Simultaneously

LED flash cycle

POWER LED LAMP LED

0.1 sec interval

Simultaneously

0.1 sec interval

Simultaneously

2 -------------------- 0.5 sec interval

0.5 sec interval Alternately

0.1 sec interval

Simultaneously

0.5 sec interval Alternately

0.1 sec interval

Simultaneously

0.5 sec interval Alternately

EXPLANATION ON ACTION

If NG is detected on an item being diagnosed, turn off the power on this unit. As soon as the power goes off, turn on and off POWER LED and LAMP LED immediately. After the power is shut down, it becomes impossible to turn on the power until the power cable is either plugged in or unplugged from the AC outlet.

When [1] and [3] take place at the same time, give priority to [1], and [2] will not take place simultaneously with [1] and [3].

1-36 (No.YA092B)

Page 37

JVC SERVICE & ENGINEERING COMPANY OF AMERICA

DIVISION OF JVC AMERICAS CORP.

www.jvcservice.com(US Only)

JVC CANADA INC.

Head office : 21 Finchdene Square Scarborough, Ontario M1X 1A7 (416)293-1311

(No.YA092B)

Printed in Japan

WPC