JVC AV-25PX Manual de usuario

AV-25PX

No. 56067 1

MODEL NO.

XXXXX XXXXXXX

XXXXXXX XXXXX

XXXXXX

XXXXX

XXX XXXXX XXXXX

XXXXXXXXXXXXXXXXXXXXX

XXXXXXXXXXXXXXX

SERIALNo.

XXXXXX–XXX

XXXX XX XXXX

XXX XX XXXX

Identify model name

Basic model name

BASIC CHASSIS

SERVICE MANUAL

COLOUR TELEVISION

AV-25PX(AU)

Sep. 2000

HOW TO IDENTIFY MODEL

While referring to the illustration given below, identify model name on the rating label affixed to the rear cover.

This service manual mainly consists of the following items:

• The items which differ from those for the AV-25PX service manual.

• The initial value for each setting item.

For details other than those described in this manual, please refer to the following service manual.

Reference Service Manual: AV-25PX Service Manual (No. 51752, Aug. 2000)

Note: The page in parentheses shows the one for the AV-25PX service manual (No. 51752, Aug. 2000).

AV-25PX

AV-25PX-AU

AV-25PX

No. 560672

AV-25PX AV-25PX(AU)

!REF. NO. PART NAME DESCRIPTION

PART No. PART No.

■EXPLODED VIEW PARTS LIST (Page 36)

!10 QMP40D0-200J3 QMP2980-185J5 POWER CORD

or QMP40D0-200J5

!14 LC20377-010B-H LC20377-013B-H RATING LABEL

■PACKING PARTS LIST (Page 47)

1 LC10845-003A-H GG10044-015A-H PACKING CASE

!8 LCT0662-001A-H DIGEST MANUAL

!9 LCT0661-001A-H DIGEST MANUAL

— BT-56001-2 WARRANTY CARD

— BT-56002-2 SERVICE CENTER LIST

PARTS DIFFERENCE TABLE

The different parts between AV-25PX and AV-25PX(AU) are described below:

AV-25PX

No. 56067 3

Item CONTENTS

Dimensions (W ×H ×D) 655mm ×530.5mm ×465mm

Mass 36kg

TV RF System B, G, I, D, K, K1, M

Colour System PAL, SECAM, NTSC3.58, NTSC4.43

Receiving Frequency VHF (L) 46.25MHz ~ 168.25MHz

VHF (H) 175.25MHz ~ 463.25MHz

UHF 471.25MHz ~ 863.25MHz

CATV Mid (X-Z, S1-S10), Super (S11-S20), Hyper (S21-S41) bands receivable

Intermediate Frequency

VIF Carrier 38.0MHz

SIF Carrier 33.5MHz(4.5MHz), 32.5MHz(5.5MHz), 32.0MHz(6.0MHz), 31.5MHz(6.5MHz)

Colour Sub Carrier Frequency

PAL 4.43MHz

SECAM 4.40625MHz, 4.25MHz

NTSC 3.58MHz / 4.43MHz

Power Input AC110 ~ 240V, 50/60Hz

Power Consumption 181W (Max.), 119W (Avg.)

Picture Tube Visible size : 60cm measured diagonally

High Voltage 31.0kV ±1.5kV (at zero beam current)

Speaker & Audio Output Open dome speaker

10W+10W, 10cm round x 2

Video Audio Input terminals

Video1 S-Video Y: 1Vp-p Positive (Negative sync provided, when terminated with 75Ω)

C: 0.286Vp-p (Burst signal, when terminated with 75Ω)

Video 1Vp-p 75Ω(RCA pin jack)

Audio (L/R) 500mVrms (−4dBs), High impedance (RCA pin jack)

Video2 Video 1Vp-p 75Ω(RCA pin jack)

Audio (L/R) 500mVrms (–4dBs), High impedance (RCA pin jack)

Video3 Video/Y Composite video 1Vp-p 75Ω(RCA pin jack)

Component video 1Vp-p 75Ω(RCA pin jack)

Cb Component video B-Y 0.7Vp-p 75Ω(RCA pin jack)

Cr Component video R-Y 0.7Vp-p 75Ω(RCA pin jack)

Audio (L/R) 500mVrms (–4dBs), High impedance (RCA pin jack)

Video4 Video 1Vp-p 75Ω(RCA pin jack)

Audio (L/R) 500mVrms (−4dBs), High impedance (RCA pin jack)

Video Audio Output terminal

Video 1Vp-p 75Ω(RCA pin jack)

Audio (L/R) 500mVrms (−4dBs), High impedance (RCA pin jack)

Aerial Input Terminal 75ΩUnbalanced, Coaxial

Headphone Jack Stereo mini jack (3.5ø)

AV Compu Link terminal AV Compu Link II, mini jack (3.5ø)

Remote Control Unit RM-C113 (AA/R06 / UM-3 dry battery ×2)

Design & specifications are subject to change without notice.

SPECIFICATIONS(Page 2)

AV-25PX

No. 560674

SETTING OF SYSTEM CONSTANT SET (Page 9)

Table 1

SPECIFIC SERVICE INSTRUCTIONS

CONTENTS VARIABLE RANGE INITIAL SETTING VALUE

COLOUR MULTI

MSP NO

SUPER BASS NO

CENTER SPEAKER NO

TEXT NO

BLUE BACK MUTE NO

VOLUME LIMIT YES

COLOUR AUTO NO

TILT YES

C-TRAP 1

E.M.C. NO

N/S WHITE BACK NO

7 LED SPEED 00

MULTI TRIPLE PAL

YES NO

1 0

YES NO

00 10 20 ... 1250

1270 1260

USER SETTING CONDITIONS (Page 9)

Table 2

PICTURE SETTING FEATURES

PICTURE MODE BRIGHT SLEEP TIMER OFF

CONTRAST CENTER ON TIMER PR1 0:00

BRIGHT CENTER BLUE BACK ON

SHARP CENTER CHILD LOCK OFF

COLOUR CENTER CHANNEL GUARD --

TINT CENTER AUTO SHUT OFF OFF

WHITE BALANCE COOL VIDEO-3 SETTING COMPONENT

PICTURE FEATURES INSTALL

A.A.C ON LANGUAGE ENGLISH

AUTO VNR AUTO AUTO PROGRAM --

COLOUR SYSTEM TV: According to preset CH EDIT / MANUAL PRESET CH only

VIDEO: AUTO PAL Others: blank

ZOOM REGULAR DEMO

ECO SENSOR OFF DEMO OFF

PICTURE TILT CENTER OTHERS

SOUND SETTING VOLUME Appropriate sound level

BASS CENTER CHANNEL PRESET Refer to Operating Instructions.

TREBLE CENTER CHANNEL POSITION 1 POSITION

BALANCE CENTER SUB POWER ON

AI VOLUME ON ON SCREEN DISPLAY POSITION INDICATION

BBE ON TV/VIDEO TV

SPATIALIZER OFF SOUND SYSTEM B/G

AV-25PX

No. 56067 5

SERVICE ADJUSTMENTS

■Initial Setting Value

[INITIAL SETTING VALUES OF VSM PRESET (SUB MENU 5. VSM PRESET)]

[SETTING OF WHITE BALANCE PRESET (SUB MENU 6. WB PRESET)]

■SETTING OF VSM PRESET (Page 18)

2. CONT +17 +0−4

3. COLOR +0+0−1

4. SHARP +0 +0 −3

5. TINT +0 +0 +0

PICTURE

MODE BRIGHT STANDARD SOFT

ITEM

1. BRIGHT +0 +0 +0

■SETTING OF WHITE BALANCE PRESET (Page 19)

WHITE BALANCE COOL MID WARM

ITEM

1. R DRIVE 0 −3+26

2. B DRIVE 0 −23 −27

: Do not adjust.

AV-25PX

No. 560676

Adjustment of SUB COLOUR-II (Page 22)

Adjustment of SUB TINT-II (Page 23)

Adjustment part Description

5. COLOUR

PAL COLOUR Value (A) in the figure: Set to 0V (W & G).

SECAM COLOUR Value (A) in the figure: Set to −5V (W & G).

NTSC 3.58 COLOUR Value (A) in the figure: Set to +6V (W & G).

Adjustment part Description

6. TINT

NTSC 3.58 TINT Value (B) in the figure: Set to +6V (W & Cy).

CONTENTS PAL SECAM NTSC 3.58 NTSC 4.43

R−60

1. CUTOFF G −60

B−60

2. DRIVE R +0

B+0

3. BRIGHT TV 000—

VIDEO +1−4−2—

COMPONENT −3

4. CONT TV 000—

VIDEO +20+2—

COMPONENT +2

5. COLOUR TV / VIDEO +10 +18 +0−2

COMPONENT +8+18

6. TINT TV +6+6−10

VIDEO +6+6+60

COMPONENT +6−3

7. BLACK OFFSET R-Y —0——

B-Y —0——

8. SHARP TV −15 −17 −15 —

VIDEO −13 −11 −12 —

COMPONENT −15

■VIDEO / CHROMA CIRCUIT ADJUSTMENT (Page 19)

: Do not adjust.

AV-25PX

No. 56067 7

■DEFLECTION CIRCUIT ADJUSTMENT (Page 25)

[DEFLECTION ADJUSTMENTS INITIAL SETTING VALUE (SUB MENU 4. DEF)]

: Do not adjust.

■AUDIO CIRCUIT ADJUSTMENT (Page 29)

[AUDIO ADJUSTMENTS INITIAL SETTING VALUE (SUB MENU 3. AUDIO)]

Setting item Variable range Fixed value

1. ERROR LIMIT 000H ~ FF0H 100H

2. A2 ID THR 00H ~ FFH 14H

3. BASS −17 ~ +17 +0

4. TREBLE −17 ~ +17 +0

: Do not adjust.

Initial setting value

Setting item Adjustment name REGULAR ZOOM 16:9

50Hz 60Hz 50Hz 60Hz 50Hz 60Hz

1. V-SHIFT Vertical shift −30+10−10

2. V-SIZE Vertical size +13 0 +36 +35 −37 −37

3. SUBTITLE Subtitle 0 +10+70 0

4. H-CENT Horizontal center −9+5−1−10 0

5. H-SIZE Horizontal size +11 −1−9−7−10

6. EW-PIN Side pin correction −1−1−4−5+2+1

7. TRAPEZ Trapezoidal distortion correction +4−10 0−1+1

8. EW.COR.L Corner pin correction Low side −2000+1+1

9. EW.COR.H Corner pin correction High side −2000+1+1

10. V.S-COR Vertical size correction +900000

11. V-LIN Vertical Linearity 0 0 +10 0 0

12. H-BLK-R Horizontal Blanking Right 0000+29 0

13. H-BLK-L Horizontal Blanking Left 000000

14. V-EHT V size correction level caused by EHT change −400000

15. H-EHT H size correction level caused by EHT change −400000

16. EHT-GAIN Size correction gain caused by EHT change 000000

AV-25PX

No. 560678 CTH 0009

CRT

AV25PXAU-H #3

VICTOR COMPANY OF JAPAN, LIMITED

TELEVISION RECEIVER DIVISION 1106 Heta, Iwai-city, Ibaraki-prefecture, 306-0698, Japan

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