JVC AV-29RX(C-A) Service Manual

SERVICE MANUAL

COLOUR TELEVISION

BASIC CHASSIS

JK

AV-29RX(C-A)

This service manual mainly consists of the following items:

• The items which differ from those for the AV-29RX(C) 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-29RX(C) Service Manual (No. 51729, Jul. 2000)

AV-29RX

AV-29RX

Note: The page in parentheses shows the one for the AV-29RX(C) service manual (No. 51729, Jul. 2000).

HOW TO IDENTIFY MODEL

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

Basic model name

AV-29RX

MODEL NO.

XXXXX XXXXXXX
XXXXXXX XXXXX

XXXXXX

XXXXX

XXX XXXXX XXXXX

XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXX

SERIAL No.

XXXX XX XXXX
XXX XX XXXX

XXXXXX–XXX

Identify model name

AV-29RX/C-A

COPYRIGHT  2000 VICTOR COMPANY OF JAPAN, LTD.

No. 56044 1

No. 56044
Sep. 2000

AV-29RX

PARTS DIFFERENCE TABLE

The different parts between AV-29RX(C) and AV-29RX(C-A) are described below:

!!

! REF. NO. PART NAME DESCRIPTION

!!

AV-29RX(C) AV-29RX(C-A)
PART No. PART No.

■ EXPLODED VIEW PARTS LIST (Pages 35 and 36)

! V01 A68QCU259X67Q A68QCU259X67K PICTURE TUBE
! 13 QMP40D0-200J5 QMPR010-200-E2 POWER CORD

or QMP40D0-200J3 or QMPR010-200-K2

! 16 LC20377-010B-H LC20413-002B-H RATING LABEL

■ PACKING PARTS LIST (Page 47)

1 LC10845-007A-H GG10044-017A-H PACKING CASE

! 10 LCT0661-001A-H DIGEST MANUAL
! — QAM0055-001 CONVERSION PLUG

No. 560442

SPECIFICATIONS (Page 2)

Item CONTENTS

Dimensions (W × H × D) 732mm × 588mm × 508mm
Mass 52kg
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 193W (Max) / 137W (Avg)
Picture Tube Visible size : 68cm measured diagonally
High Voltage 32.0kV ±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 V: Composite video 1Vp-p 75Ω (RCA pin jack)

Y: 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 S-Video Y: 1Vp-p positive (Negative sync provided, when terminated with 75Ω)
(Front terminal) 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)
Video Audio Output terminal

Video 1Vp-p 75Ω (RCA pin jack)

Audio (L/R) 500mVrms (−4dBs), High impedance (RCA pin jack)
Aerial Input Terminal 75Ω unbalanced, Coaxial
Headphone Jack Stereo mini jack (ø3.5mm)
AV Compu Link terminal AV Compu Link II, mini jack (ø3.5mm)
Remote Control Unit RM-C113 (AA/R06 dry battery × 2)

AV-29RX

Design & specifications are subject to change without notice.

No. 56044 3

AV-29RX

SPECIFIC SERVICE INSTRUCTIONS

SETTING OF SYSTEM CONSTANT SET (Page 10)

Table 1

CONTENTS VARIABLE RANGE INITIAL SETTING VALUE

COLOUR MULTI
MSP NO
SUPER BASS NO
CENTER SPEAKER NO
TEXT NO
BLUE BACK MUTE YES
VOLUME LIMIT YES
COLOUR AUTO YES
TILT YES
C-TRAP 1
E.M.C. NO
N/S WHITE BACK NO
7 LED SPEED 100

MULTI TRIPLE PAL
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
1 0
YES NO

YES NO
00 10 20 ... 1250

1270 1260

USER SETTING CONDITIONS (Page 10)

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

No. 560444

SERVICE ADJUSTMENTS

■ Initial Setting Value

■ SETTING OF VSM PRESET (Page 19)

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

PICTURE
MODE BRIGHT STANDARD SOFT
ITEM

1. BRIGHT +0 +0 +0

2. CONT +17 +0 −4

3. COLOR +0 +0 −1

4. SHARP +0 +0 −3

5. TINT +0 +0 +0

: Do not adjust.

AV-29RX

■ SETTING OF WHITE BALANCE PRESET (Page 20)

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

WHITE BALANCE
ITEM

1. R DRIVE 0 −3 +26

2. B DRIVE 0 −23 −27

: Do not adjust.

COOL MID WARM

No. 56044 5

AV-29RX

■ VIDEO / CHROMA CIRCUIT ADJUSTMENT (Page 20)

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 0 +3 +1—

VIDEO −1 +2 +2—

COMPONENT −2

4. CONT TV −15 0 0 —

VIDEO 000—

COMPONENT +2

5. COLOUR TV / VIDEO +10 +18 +00

COMPONENT +8 +17

6. TINT TV +6 +6 +70

VIDEO +6 +6 +14 0

COMPONENT +60

7. BLACK OFFSET R-Y —0——

B-Y —0——

8. SHARP TV −14 −13 −12 —

VIDEO −8 −7 −9—

COMPONENT −10

: Do not adjust.

Adjustment of SUB COLOUR-II (Page 23)

Adjustment part Description

5. COLOUR

PAL COLOUR Value (A) in the figure: Set to −3V (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 +3V (W & G).

Adjustment of SUB TINT-II (Page 24)

Adjustment part Description

6. TINT

NTSC 3.58 TINT Value (B) in the figure: Set to +4V (W & Cy).

No. 560446

AV-29RX

■ DEFLECTION CIRCUIT ADJUSTMENT (Page 26)

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

Initial setting value

Setting item Adjustment name REGULAR ZOOM 16:9

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

1. V-SHIFT Vertical shift −5 −10+10 0

2. V-SIZE Vertical size +7 −1 +36 +35 −39 −39

3. SUBTITLE Subtitle 0 +1 −7 +70 0

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

5. H-SIZE Horizontal size −12 −1 −4 −40−1

6. EW-PIN Side pin correction −3 +1 −4 −4 +20

7. TRAPEZ Trapezoidal distortion correction +4 −20−10+1

8. EW.COR.L Corner pin correction Low side −20−1−1+1+1

9. EW.COR.H Corner pin correction High side −20 0 0+1+1

10. V.S-COR Vertical size correction +1300000

11. V-LIN Vertical Linearity +2 −1 −1 −1 +10

12. H-BLK-R Horizontal Blanking Right 0 0 0 0 +77 0

13. H-BLK-L Horizontal Blanking Left 0 0 0 0 +20

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

15. H-EHT H size correction level caused by EHT change −300000

16. EHT-GAIN Size correction gain caused by EHT change +300000

: Do not adjust.

■ AUDIO CIRCUIT ADJUSTMENT (Page 30)

[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.

No. 56044 7

AV-29RX

VICTOR COMPANY OF JAPAN, LIMITED

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

No. 560448

AV29RXCA-H #3

CTH 0009
CRT