JVC HV-L34PRO Manual de usuario

No.51809

HV-L34PRO

HV-L34PRO/HK

HV-L34PRO/-A

HV-L34PRO/AU

HV-L34PRO/EE

CONTENTS

!SPECIFICATIONS ････････････････････

････････････････････････････････････････

････････････････････ 2

!SAFETY PRECAUTIONS ･･････････････

････････････････････････････

･･････････････ 3

!MAIN DIFFERENCE LIST ･･････････････

････････････････････････････

･･････････････ 4

!FEATURES･･････････････････････････

････････････････････････････････････････････････････

･･････････････････････････ 4

!FUNCTIONS･････････････････････････

･･････････････････････････････････････････････････

･････････････････････････ 6

!SPECIFIC SERVICE INSTRUCTIONS････

････････

････ 8

!SERVICE ADJUSTMENTS････････････

････････････････････････

････････････ 14

!PARTS LIST ･･･････････････････････

･･････････････････････････････････････････････

･･･････････････････････ 37

★

OPERATING INSTRUCTIONS

★

STANDARD CIRCUIT DIAGRAM･･･････

･･････････････

･･･････ 2-1

SERVICE MANUAL

COLOUR TELEVISION

BASIC CHASSIS

No. 51809

HV-L34PRO

REPLACEMENT OF MEMORY ICs

1. Memory ICs

This TV use memory ICs. In the memory ICs, there are memorized data

for correctly operating the video and deflection circuits. When replacing

memory ICs, besure to use ICs written with the initial values of data.

2. Procedure for replacing memory ICs

(1) Power off

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

(2) Replace ICs.

Be sure to use memory ICs written with the initial data values.

(3) Power on

Plug the power cord into the wall outlet and switch the power on.

(4) Check and set SYSTEM CONSTANT SET:

It must not adjust without signal.

1) Press the DISPLAY key and the PICTURE TUBE key of the REMOTE CONTROL UNIT simultaneously.

2) The SERVICE MENU screen of Fig. 1 will be displayed.

3) While the SERVICE MENU is displayed, press the DISPLAY key and PICTURE TUBE key simultaneously, and the SYSTEM

CONSTANT SET screen of Fig. 2 will be displayed.

4) Check the setting values of the SYSTEM CONSTANT SET of Table 1. If the value is different, select the setting item with the

FUNCTION UP/DOWN key, and set the correct value with the FUNCTION -/+ key.

5) Press the MENU(OK) key to memorize the setting value.

6) Press the INFORMATION key, and return to the normal screen.

(5) Setting of receive channels

Set the receive channel.

For setting, refer to the OPERATING INSTRUCTIONS.

(6) Setting of SERVICE MENU

Verify the setting items of the SERVICE MENU of Table 2, and

reset where necessary.

For setting, refer to the SERVICE ADJUSTMENTS.

(7) User settings

Check the user setting values of Table 3, and if setting value is

different, set the correct value.

For setting, refer to the OPERATING INSTRUCTIONS.

SERVICE MENU

1. IF 2. V/C

3. AUDIO 4. DEF

5. VSM PRESET 6. STATUS

7. PIP 8. WB PRESET

9. SHIPPING(OFF) 0. BUS FREE

1-0 : SELECT DISP : EXIT

Fig.1

SYSTEM CONSTANT SET

+ : STORE DISP : EXIT

1. TEXT

Fig.2

2. BLUE BACK MENU

3. E.M.C

4. WHITE BACK

5. COLOUR AUTO

6. PICTURE TILT

PICTURE

CONTENTS

key

PIP key

MENU/OK key

FUNCTION key

(UP/DOWN &

LEFT/RIGHT key)

SETTING ITEM

SELECT key

(Numbers key)

SERVICE

MENU/

&SYSTEM

CONSTANT

key

MEMORY

(STORE)

key

SERVICE MENU KEY

ZOOM

(ASPECT)

key

No. 51809

HV-L34PRO

SETTING VALUES OF SYSTEM CONSTANT SET (TABLE 1)

MODEL No.

Setting item HV-L34PRO HV-L34PRO/-A HV-L34PRO/HK HV-L34PRO/AU HV-L34PRO/EE

1. TEXT YES YES NO YES YES

2. BLUE BACK MUTE NO ↑↑

NO NO

3. E. M. C ↑NO ↑↑↑

4. WHITE BACK ↑↑↑↑↑

5. COLOUR AUTO ↑YES ↑↑↑

6. PICTURE TILT YES ↑YES YES YES

SERVICE MENU SETTING ITEMS (TABLE 2)

Setting item Setting value Setting item Setting value

1. IF 1. VCO

2. ATT ON / OFF 5. VSM PRESET

BRIGHT

STANDARD

SOFT

1. CONT.

2. BRIGHT

3. SHARP

4. COLOUR

5. TINT

2. V / C 1. RGB BLK

2. WDR R

3. WDR G

4. WDR B

5. BRIGHT

6. CONTRAST

7. COLOUR

8. TINT

9. SHARP

10. VCO ADJ.

11. VID ADJ.

12. SYNC SLICE

13. A MOVIE

6. STATUS

(Do not adjust) 1. SOFT

2. TELETEXT

3. ASPECT

3. AUDIO

(Do not adjust) 1. ERR LIMIT

2. A2 ID THR

3. QUASI

7. PIP 1. PIP VCO ADJ

2. PIP VID AGC

3. PIP SYNC SLICE

4. DEF. 1. V-SHIFT

2. V-SIZE

3. H-CENT

4. H-SIZE

5. TRAPEZ

6. EW-PIN

7. COR-PIN

8. COR-UP

9. COR-LO

10. ANGLE

11. BOW

12. V-S.CR

13. V.LIN

14. V.BLK-UP

8. WB PRESET 1. WDR R

2. WDR G

3. WDR B

No. 51809

HV-L34PRO

USER SETTING VALUES (TABLE 3)

Setting item Setting value Setting item Setting value

MAIN POWER SW OFF SUB POWER ON

SHIPPING CHANNEL PR1 DISPLAY INDICATED

PRESET CHANNEL See ; OPERATING

INSTRUCTIONS. VOLUME LEVEL 10

PICTURE SETTING INSTALL

PICTURE MODE BRIGHT LANGUAGE ENGLISH

WHITE MODE COOL EDIT "PRESET CHANNEL ONLY

ECO MODE OFF "OTHER : NON (SPACE)

PICTURE FEATURES FEATURES

DIGITAL VNR AUTO SLEEP TIMER OFF

DIGIPURE PRO AUTO BLUE BACK ON

COLOUR SYSTEM "TV : Depends on PR/CH AUTO SHUT OFF OFF

"EXT : AUTO VIDEO-3 SETTING COMPONENT

ZOOM REGULAR CHILD LOCK OFF (for all the channels)

PICTURE TILT CENTER CHANNEL GUARD ALL CH : OFF

SOUND

BASS CENTER BEE ON

TREBLE CENTER SUPER BASS ON

BALANCE CENTER AI VOLUME ON

SPATIALIZER OFF

No. 51809

HV-L34PRO

SERVICE ADJUSTMENTS

BEFORE STARTING SERVICE ADJUSTMENT

1. There are 2 ways of adjusting this TV: One is with the

REMOTE CONTROL UNIT and the other is the conventional

method using adjustment parts and components.

2. The setting (adjustment) using the REMOTE CONTROL

UNIT is made on the basis of the initial setting values. The

setting values which adjust the screen to the optimum

condition can be different from the initial setting values.

3. Make sure that connection is correctly made to AC power

source.

4. Turn on the power of the TV and measuring instrument for

warming up for at least 30 minutes before starting adjustment.

5. If the receive or input signal is not specified, use the most

appropriate signal for adjustment.

6. Never touch parts (such as variable resistors, transformers and

condensers) not shown in the adjustment items of this

service adjustment.

7. Preparation for adjustment (presetting):

Unless otherwise specified in the adjustment items, preset the

following functions with the REMOTE CONTROL UNIT:

"Setting position

PICTURE MODE (VSM) STANDARD

SLEEP TIMER OFF

BALANCE CENTER

ECO OFF

ZOOM REGULAR

MEASURING INSTRUMENT AND FIXTURES

1. DC voltmeter (or digital voltmeter)

2. Oscilloscope

3. Signal generator (Pattern generator) [PAL / SECAM / NTSC]

4. Remote control unit

ADJUSTMENT ITEMS

●Checking items.

●Adjustment of FOCUS.

●VSM preset setting.

●VIDEO / CHROMA circuit adjustment.

●DEFLECTION circuit adjustment.

●AUDIO circuit adjustment. (Do not adjust)

No. 51809

HV-L34PRO

ADJUSTMENT LOCATIONS

MAIN PWB POWER&DEF PWB

WDEG

1pin:B1(TP-91)

2pin:NC

3pin:X-RAY

4pin:X-RAY

5pin:GND

FRONT CONTROL PWB (R)

FRONT

CN014

FRONT CONTROL PWB (L)

HVT

MICON PWB

100Hz PWB

ANT-IN

FRONT

HEAD

PHONE

CH DOWN

MENU/

CH UP

IN (VIDEO-4)

R4 L4 V4 S IN

TV/VIDEO EXT

VOL UP

VOL DOWN

F901

Power cord

POWER SW

ECO SPETIALIZER

C901

LF901

CDS

Speaker

SYNC

PWB

TUNER 2

CN003

CN007

CN013

CN001

CN004

CN005

CN006

TUNER

F. CONT.(L) PWB

CN002

CN111

CN002

To AV SW PWB

TOP

AV SW PWB

SCREEN

FOCUS 1

CRT SOCKET

PWB

(SOLDER SIDE)

FOCUS-2

TP-E

TP-47B

CN013

TP-Y

CN014

CRT

(VR1)

XV COIL

YHC

(VR2)

FRONT

BLK PWB

POWER

No. 51809

HV-L34PRO

BASIC OPERATION SERVICE MENU

1. TOOL OF SERVICE MENU OPERATION

Operate the SERVICE MENU with the REMOTE CONTROL UNIT.

2. SERVICE MENU ITEMS

With the SERVICE MENU, various settings (adjustments) can be made, and they are broadly classified in the following items of settings

(adjustments):

(1) 1. IF ･･････････････････････････････ This mode adjusts the setting values of the IF circuit.

(2) 2.V/C ･････････････････････････････ This mode adjusts the setting values of the VIDEO / CHROMA circuit.

(3) 3.AUDIO ･･････････････････････････ This mode adjusts the setting values of the SOUND circuit. (Do not adjust)

(4) 4.DEF･････････････････････････････ This mode adjusts the setting values of the DEFLECTION circuit for each aspect mode given

below.

(5) 5.VSM PRESET ････････････････････ This mode adjusts the initial setting values of Bright, Standard & soft.

(VSM : Video Status Memory)

(6) 6.STATUS･････････････････････････ It is no requirement to adjustment.

(7) 7.PIP ･････････････････････････････ This mode adjusts the setting values of the PIP circuit. (PIP : Picture In Picture)

(8) 8.WB PRESET ･････････････････････ This mode adjusts the setting values of the WHITE BALANCE.

(9) 9.SHIPPING(OFF) ･･････････････････ This mode adjusts the setting values of the channel presettings.

If you turn the SHIPPING position set ON.

This setting becomes channel presetting automatically.

Also you turn theTV power off, this setting become OFF position automatically.

(10) 0.BUS FREE･･････････････････････ It is not requirement to adjustment.

ZOOM (ASPECT) V. FREQ.

REGULAR 100Hzi / 60HzP

ZOOM ↑

16 : 9 ↑

No. 51809

HV-L34PRO

3. BASIC OPERATION OF SERVICE MENU

(1) How to enter SERVICE MENU

Press the PICTURE MODE key and the DISPLAY key of the

REMOTE CONTROL UNIT simultaneously, and the SERVICE

MENU screen of Fig. 1 will be displayed.

(2) Selection of SUB MENU SCREEN

Press one of keys 1～0 of the REMOTE CONTROL UNIT and

select the SERVICE MENU SCREEN (See Fig. 3), form the

SERVICE MENU.

SERVICE MENU →SUB MENU

1. IF

2. V / C

3. AUDIO (Do not adj.)

4. DEF.

5. VSM PRESET

6. STATUS (Do not adj.)

7. PIP

8. WB PRESET

9. SHIPPING (OFF)

0. BUS FREE

SERVICE MENU

1. IF 2. V/C

3. AUDIO 4. DEF

5. VSM PRESET 6. STATUS

7. PIP 8. WB PRESET

9. SHIPPING(OFF) 0. BUS FREE

1-0 : SELECT DISP : EXIT

Fig.1

PICTURE

CONTENTS

key

PIP key

MENU/OK key

FUNCTION key

(UP/DOWN &

LEFT/RIGHT key)

SETTING ITEM

SELECT key

(Numbers key)

SERVICE

MENU/

&SYSTEM

CONSTANT

key

MEMORY

(STORE)

key

SERVICE MENU KEY

ZOOM

(ASPECT)

key

No. 51809

HV-L34PRO

SERVICE MENU SCREEN

BRIGHT

STANDARD

SOFT

1. RGB BLK

2. WDR R

3. WDR G

4. WDR B

5. BRIGHT

6. CONTRAST

7. COLOUR

8. TINT

9. SHARP

10. VCO ADJ

11. VID AGC

12. SYC SLI

13. A MOVIE

1. ERR LIMIT

2. A2 ID THR

3. QUASI

Fig. 3

3. AUDIO (Do not adjust)

DEF REGULAR

***

******

***

1. V-SHIFT

4. DEF

****

(

****

)

- / + : STORE DISP : EXIT

1. V-SHIFT

2. V-SIZE

3. H-CENT

4. H-SIZE

5. TRAPEZ

6. EW-PIN

7. COR-PIN

8. COR-UP

9. COR-LO

10. ANGLE

11. BOW

12. V-S.CR

13. V.LIN

14. V.BLK-UP

1. CONT.

2. BRIGHT

3. SHARP

4. COLOUR

5. TINT

V/C

1. RGB. BLK

****

2. V/C

PAL

AUDIO

1. ERR LIMIT

***

C _ AD _ BITS =

********

5. VSM PRESET

VSM PRESET STD

1.CONT

***

- / + : STORE DISP : EXIT

WB PRESET

***

******

***

1. WDR R

8. WB PRESET

- / + : STORE DISP : EXIT

PIP

1. PIP VCO ADJ

***

7. PIP

- / + : STORE DISP : EXIT

AUTO

- / + : STORE DISP : EXIT

1. PIP VCO ADJ

2. PIP VID AGC

3. PIP SNC SLI

6. STATUS (Do not adjust)

STATUS

1. SOFT

***

- / + : STORE DISP : EXIT

1. SOFT

2. TELETEXT

3. ASPECT

- / + : STORE DISP : EXIT

1. WDR R

2. WDR G

3. WDR B

IF SERVICE MENU

1. VCO

2. ATT ON / OFF

1-2 : SELECT DISP : EXIT

1. IF (CW)

VCO (CW)

***

******

***.

.**

****

MHz

MAIN SUB

TOO HIGH

ABOVE REF

JUST REF

BELOW REF

TOO LOW DISP : EXIT

IF ATT ON/OFF

****

- / + : STORE DISP : EXIT

SERVICE MENU

1. IF 2. V/C

3. AUDIO 4. DEF

5. VSM PRESET 6. STATUS

7. PIP 8. WB PRESET

9. SHIPPING(OFF) 0. BUS FREE

1-0 : SELECT DISP : EXIT

(ON or OFF)

SUB MENU

No. 51809

HV-L34PRO

(3) Method of Setting

"Method of Setting 1.IF

[VCO] ･･･････････････････････････ *It must not adjust without signal

①1 Key･････････････････････････ Select 1.IF.

②1 Key ････････････････････････ Select 1. VCO (CW)

Check the arrow position between the ABOVE REF. and BELOW REF.

③2 Key･････････････････････････ Select 2.ATT ON/OFF (Strong Electric Field : ON / Generally Electric Field : OFF)

④DISPLAY(DISP) Key････････････ Return to the SERVICE MENU screen.

"Method of setting 2.V/C, 4.DEF, 5.VSM PRESET, 7.PIP and 8.WB PRESET.

①2, 4, 5, 7 & 8 Key･･･････････････ Select one from 2. V/C, 4. DEF, 5. VSM PRESET, 7.PIP & 8.WB PRESET.

②FUNCTION UP/DOWN Key･･････ Select setting items.

③FUNCTION -/+･････････････････ Set (adjust) the setting values of the setting items.

④MENU (OK) Key ･･･････････････ Memorize the setting value.

(Before storing the setting values in memory, do not press the CH, TV, POWER ON / OFF key -

if you do, the values will not be stored in memory.)

⑤DISPLAY (DISP) Key ･･･････････ Return to the SERVICE MENU screen.

"3. AUDIO, 6. STATUS, 9. SHIPPING(OFF) & 0. BUS FREE.

It is not requirement to adjustment.

(4) Release of SERVICE MENU

1) After completing the setting, return to the SERVICE MENU, then again press the DISPLAY (DISP) key.

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