JVC AV-1406FE Manuel utilisateur

SERVICE MANUAL

2006/2

COLOUR TELEVISION

YA37020062

AV-1406FE, AV-14146/N,

AV-14149/N, AV-14F16,

AV-14FMG6/G, AV-14FMG6/S

TABLE OF CONTENTS

1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24

BASIC CHASSIS

CG4

1-2 (No.YA370)

SPECIFICATION

Design and specifications are subject to change without notice.

Items

Contents

AV-1406FE

AV-14146/N

AV-14149/N

AV-14F16

AV-14FMG6/G

AV-14FMG6/S

Dimensions (W ×H ×D) 46.2 cm ×34.1 cm ×37.5 cm

Mass 10 kg

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

Colour System PAL

SECAM

NTSC 3.58 / NTSC 4.43 (NTSC:EXT only).

PAL

SECAM

NTSC 3.58 / NTSC 4.43

Receiving

Frequency

VHF Low

VHF High

UHF

CATV

46.25 MHz to 140.25 MHz

147.25 MHz to 423.25 MHz

431.25 MHz to 863.25 MHz

Mid (X to Z+2, S1 to S10) / Super (S11 to S20) / Hyper (S21 to S41) bands

Intermediate Frequency VIF 38.0 MHz (B/G, I, D/K) 38.0 MHz (B/G, I, D/K, M)

SIF 32.5 MHz (5.5 MHz: B/G)

32MHz (6.0 MHz: I)

31.5MHz (6.5 MHz: D/K)

32.5 MHz (5.5 MHz: B/G)

32MHz (6.0 MHz: I)

31.5MHz (6.5 MHz: D/K)

33.5MHz (4.5 MHz: M)

Colour Sub Carrier PAL

SECAM

NTSC

4.43 MHz

4.40625 MHz / 4.25 MHz

3.58 MHz / 4.43 MHz

Power Input AC110 V to AC240 V, 50 Hz / 60Hz

Power Consumption 68 W (Max) / 47W(Avg)

Picture Tube Visible size: 34 cm measured diagonally ( H : 28.7 cm ×V : 21.7 cm)

High Voltage 22.5 kV±1.5kV (at zero beam current)

Speaker 5 cm ×9 cm, Oval type ×2

Audio Power Output 3 W (monaural)

Aerial Input Terminal 75 Ωunbalanced, coaxial

Input Terminal

[Front / Rear]

Video

Audio

1 V(p-p), 75 Ω, RCA pin jack ×2

500 mV(rms) (-4 dBs), High impedance, RCA pin jack ×2

Output Terminal

[Rear]

Video

Audio

1 V(p-p), 75Ω, RCA pin jack ×1

500 mV(rms) (-4 dBs), Low impedance, RCA pin jack ×1

Headphone Jack 3.5 mm mini jack ×1

Remote Control Unit RM-C360GY (Battery size : AA / R6 / UM-3 ×2)

(No.YA370)1-7

3.2 MEMORY IC REPLACEMENT

• This model uses the 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.

3.2.1 MEMORY IC REPLACEMENT PROCEDURE

1. Power off

Switch off the power and disconnect the power plug from the

AC outlet.

2. Replace the memory IC

Be sure to use the memory IC written with the initial setting

values.

3. Power on

Connect the power plug to the AC outlet and switch on the

power.

4. System constant check and setting

• It must not adjust without adjustment signals.

(1) Press the [DISPLAY] key and the [PICTURE MODE]

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, again press the

[DISPLAY] key and [PICTURE MODE] key

simultaneously, and the SYSTEM CONSTANT SET

screen of Fig. 2 will be displayed.

(4) Check the setting values of the SYSTEM CONSTANT

SETTING. If the value is different, select the setting item

with the [MENU /]key, and set the correct value with

the [MENU - / +] key.

(5) Press the [DISPLAY] key twice, and return to the normal

screen.

5. Receiving channel setting

Refer to the OPERATING INSTRUCTIONS and set the

receive channels (Channels Preset) as described.

6. User settings

Check the user setting items according to the given in page

later.

Where these do not agree, refer to the OPERATING

INSTRUCTIONS and set the items as described.

7. SERVICE MENU setting

Verify what to set in the SERVICE MENU, and set whatever is

necessary (Fig.1).

Refer to the SERVICE ADJUSTMENT for setting.

Fig.1

Fig.2

POWER

123

456

789

RETURN+0-/--

PICTURE

MODE

SYSTEM

COLOUR

TV/VIDEO

CHANNEL

SCAN

OFF

TIMER

DISPLAY

CHANNEL VOLUME

MUTING

SOUND

PICTURE

MODE key

/ key

DISPLAY key

- / + key

NUMBERS

key

KEY ASSIGNMENT OF REMOTE CONTROL UNIT

SERVICE MENU

1.IF 2.V/C

3.DEF 4.VSM PRESET

5.PRESET

6.SETUP TOUR OFF

1-6 : SELECT DISP : EXIT

************ **.***

*** ** **** ***

COLOUR : TRIPLE

BILINGUAL : NO

TUNER : MU

ECO SENSOR : NO

LANGUAGE : E/R/U

SYSTEM CONSTANT SET 1

: SELECT

- / + : OPERATE DISP : EXIT

B/B SOUND : OFF

LOCK : 180

COLOUR AUTO : NO

QSS : MINT

ALC : NO

TEXT RATE : 20

SYSTEM CONSTANT SET 2

: SEL - / + : OPE DISP : EXIT

AMP TUNER : NO

VNR : YES

TEXT TABLE : CYL

VOLUME PWM : POS

SYSTEM CONSTANT SET 3

: SEL - / + : OPE DISP : EXIT

SYSTEM CONSTANT- I

SYSTEM CONSTANT- II

SYSTEM CONSTANT- III

1-8 (No.YA370)

3.2.2 SETTINGS OF FACTORY SHIPMENT

3.2.2.1 BUTTON OPERATION

3.2.2.2 REMOTE CONTROL DIRECT OPERATION

3.2.2.3 REMOTE CONTROL MENU OPERATION

(1) MENU-1

(2) MENU-2

(3) MENU-3

(4) MENU-4

3.2.3 SYSTEM CONSTANT SETTING

Setting item Setting position

POWER Off

CHANNEL PR1

VOLUME 10

Setting item Setting position

CHANNEL PR1

VOLUME 10

TV/VIDEO TV

PICTURE MODE BRIGHT

COLOUR SYSTEM PAL

SOUND SYSTEM B/G

Setting item Setting position

INPUT TV

ON TIMER PR1 0:00

VNR OFF

Setting item Setting position

AUTO SHUTOFF OFF

CHILD LOCK OFF

BLUE BACK OFF

Setting item Setting position

SETUP TOUR ON

LANGUAGE ENGLISH

Setting item Setting position

BRIGHT STANDARD SOFT

TINT 15 15 15

COLOUR 15 15 15

BRIGHT 15 15 15

CONT. 30 15 13

SHARP 15 15 12

Setting item Setting value

AV-1406FE AV-14146/N AV-14149/N AV-14F16

AV-14FMG6/G AV-14FMG6/S

COLOUR TRIPLE ←←←MULTI ←

BILINGUAL NO ←←←←←

TUNER MU ←←←←←

ECO SENSOR NO ←←←←←

LANGUAGE E / R / U E / C / M / I ←←E / R / A / P ←

B/B SOUND OFF ←←←←ON

LOCK 180 ←←←←←

COLOUR AUTO NO ←←←←YES

QSS MINT ←←←←←

ALC NO ←←←←←

TEXT RATE 20 ←←←←←

AMP TUNER NO ←←←←←

VNR YES ←←←←←

TEXT TABLE CYL ←←←←←

VOLUM PWM POS ←←←←←

(No.YA370)1-9

3.2.4 SERVICE MENU SETTING ITEMS

3.2.5 REPLACEMENT OF IC301 (IF V/C DECODER)

•For the IC301(IF V/C DECODER) of this model, all data are written in the micro-computer. So, write the data in the micro-

computer in accordance with the following procedures before starting adjustment.

PROCEDURES

(1) Turn the POWER OFF.

(2) Replace the IC301 with a new one.

(3) While pressing [MENU] button and [VOL+] button ON the FRONT CABINET simultaneously, turn the POWER ON. When the

POWER is turned ON, the data is written in the micro-computer immediately.

LOCATIONS OF FRONT PANEL BUTTONS

Setting item Setting value Setting item Setting value

2. V/C 1.CUT OFF

2.DRIVE

3.BRIGHT

4.CONT.

5.COLOUR

6.TINT

7.SECAM BL ADJUST

8.SHARP [Do not adjust]

5. PRESET

[Do not adjust]

Colour System 1. C-TRAP FIX

2. SHARP PEAK

3. ABL

4. GAMMA

5. Y. DELAY TIME

6. BLACK EXP START

7. C-BPF

8. CW / SCP

9. VIF DET LEVEL

11. IF AGC MIN

12. VIF AGC

13. VIF PMOD

19. VNR

20. RGB LIM

21. RGB LIMIT LEVEL

23. TEXT H. POSITION

24. READ DATA

3. DEFLECTION 1. VER. POSITION

2. HOR. POSITION

3. VER. HEIGHT

4. VER. LINEARITY

5. VER. SCURVE

6. HOR. VCO ADJUST [Do not adjust]

4.VSM PRESET TINT

COLOUR

BRIGHT

CONT.

SHARP

Sound System 10. SIF DET LEVEL

14. SIF BPF BW ADJUST

15. SIF TRAP F0 ADJUST

16. SIF TRAP F0 ADJUST 2

17. SIF -TRAP

18. SIF -BPF

22. SIF SW

VOLUME + POWERMENU

(No.YA370)1-13

4.6 BASIC OPERATION OF SERVICE MENU

4.6.1 TOOL OF SERVICE MENU OPERATION

Operate the SERVICE MENU with the REMOTE CONTROL UNIT.

4.6.2 SERVICE MENU ITEMS

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

4.6.3 HOW TO ENTER THE SERVICE MENU

Press the [DISPLAY] key and the [PICTURE MODE] key of

the REMOTE CONTROL UNIT simultaneously. Then enter the

SERVICE MENU mode as shown in Fig.1.

Fig.1

4.6.4 HOW TO STORE OF SETTING VALUE

The setting value will be stored automatically when release the

REMOTE CONTROL UNIT keys

4.6.5 HOW TO EXIT THE SERVICE MENU

When complete the adjustment work, press the [DISPLAY]

key to return to the SERVICE MENU. And then press the

[DISPLAY] key again, return to the normal screen.

4.6.6 SELECTION OF SUB MENU SCREEN

Press one of [1] to [5] keys of the REMOTE CONTROL UNIT

and select the SUB MENU SCREEN form the SERVICE

MENU.

1.IF Adjustment of the IF circuits.

2.V/C Adjustment of the VIDEO circuit.

3.DEF Adjustment of the DEFLECTION circuit.

4.VSM PRESET Adjustment of the initial setting values of VSM condition as STANDARD, SOFT and BRIGHT.

5.PRESET Adjustment of the RF circuit [Do not adjust].

6.SETUP TOUR It should be able to select mode (LANGUAGE and AUTO CH PRESET) [Should be OFF].

SERVICE MENU

1.IF 2.V/C

3.DEF 4.VSM PRESET

5.PRESET

6.SETUP TOUR OFF

1-6 : SELECT DISP : EXIT

************ **.***

*** ** **** ***

POWER

123

456

789

RETURN+0-/--

PICTURE

MODE

SYSTEM

COLOUR

TV/VIDEO

CHANNEL

SCAN

OFF

TIMER

DISPLAY

CHANNEL VOLUME

MUTING

SOUND

PICTURE

MODE key

/ key

DISPLAY key

- / + key

NUMBERS

key

SERVICE MODE SELECT KEY

1-14 (No.YA370)

4.6.7 METHOD OF SETTING

1. IF

[1. VCO]

[2. DELAY POINT]

NOTE:

When the setting value has been changed, the new value will be stored in memory immediately.

2. V/C, 3. DEF and 4. VSM PRESET

NOTE:

When the setting value has been changed, the new value will be stored in memory immediately.

5. PRESET (Do not adjust)

6. SETUP TOUR

(1) [1] key Select 1. IF.

(2) [1] key Select 1. VCO.

(3) [MENU /]keys Select setting items.

(4) [MENU - / +] keys Adjust the values of the items.

(5) [DISPLAY] key As you press this key twice, you will return to the SERVICE MENU.

(1) [1] key Select 1. IF.

(2) [2] key Select 2. DELAY POINT.

(3) [MENU - / +] keys Set (adjust) the setting values of the setting items.

(4) [DISPLAY] key When this is pressed twice, you will return to the SERVICE MENU.

(1) [2] to [4] keys Select one from 2. V/C,3. DEF and 4. VSM PRESET.

(2) [MENU /]keys Select setting items.

(3) [MENU - / +] keys Adjust the values of the items.

(4) [DISPLAY] key When this is pressed, return to the SERVICE MENU.

(1) By pressing the [6] key, you can change the ON or OFF [should be OFF].

Should be OFF:

If it is ON, when you turn off the power and turn on a power again, the JVC’s logo will be shown

about 15 seconds automatically, and the SETUP TOUR starts.

(2) [MENU - / +] keys Select Language.

(3) [MENU ]key Auto Search.

(No.YA370)1-15

4.6.8 SERVICE MENU FLOW CHART

SERVICE MENU

1. VCO

2. DELAY POINT

1-2 : SELECT DISP : EXIT

1. IF

VCO (CW) ***.** MHz

TOO HIGH

ABOVE REFERENCE

JUST REFERENCE

BELOW REFERENCE

TOO LOW

AFT ADJUST *** (**)

VCO ADJUST *** (**)

FINE

DISP : EXIT

DELAY POINT UHF

AGC TAKE-OVER

- / + : OPERATE DISP : EXIT

6. SETUP TOUR OFF

BRIGHT

TINT **

COLOUR **

BRIGHT **

CONT. **

SHARP **

- / + : OPERATE DISP : EXIT

4. VSM PRESET

/ : SELECT

DEF PAL

- / + : OPERATE DISP : EXIT

3. DEF

/ : SELECT

50Hz

1. VER. POSITION **

V/C PAL

1. CUTOFF (R) * **

(G) * **

(B) * **

- / + : OPERATE DISP : EXIT

50Hz

2. V/C

/ : SELECT

PRESET PAL

1. C-TRAP FIX *

- / + : OPERATE DISP : EXIT

50Hz B/G

5. PRESET

/ : SELECT

SERVICE MENU

1.IF 2.V/C

3.DEF 4.VSM PRESET

5.PRESET

6.SETUP TOUR OFF

1-6 : SELECT DISP : EXIT

************ **.***

*** ** **** ***

ON / OFF

(By pressing [6] key)

1-16 (No.YA370)

4.7 INITIAL SETTING VALUE OF SERVICE MENU

•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.

•Do not change the initial Setting Values of the Setting (Adjustment) items not listed in "ADJUSTMENT PROCEDURE".

[2. V/C]

[3. DEFLECTION]

[4.VSM PRESET]

Setting item Variable range Initial setting value

PAL SECAM NTSC 3.58 NTSC 4.43

1.CUT OFF RED -128 - +127 -50 -50 -50 -50

GREEN -128 - +127 -50 -50 -50 -50

BLUE -128 - +127 -50 -50 -50 -50

2.DRIVE RED -128 - +127 +0 +0 +0 +0

BLUE -128 - +127 +0 +0 +0 +0

3.BRIGHT -128 - +127 +0 +0 +0 +0

4.CONT. -63-+63+0+0+0+0

5.COLOUR -63 - +63 +0 +0 +0 0

6.TINT TV -63 - +63 --- --- +0 0

VIDEO -63 - +63 --- --- +0 0

7.SECAM BL ADJUST -31 - +31 +0 +0 +0 +0

8.SHARP

(Do not adjust)

TV -31 - +31 -17 (Fixed) -17 (Fixed) -17 (Fixed) -17 (Fixed)

VIDEO -31 - +31 +10 (Fixed) +10 (Fixed) +10 (Fixed) +10 (Fixed)

Setting item Variable range Initial setting value

fv : 50Hz fv : 60Hz

1. VER. POSITION -4 - +3 +0 -3

2. HOR. POSITION -16 - +15 +1 +4

3. VER. HEIGHT -64 - +63 -20 -2

4. VER. LINEARITY -32 - +31 +15 +0

5. VER. SCURVE -32 - +31 -32 +0

6. HOR. VCO ADJUST

[Do not adjust]

-63 - +63 -32 +0

Setting item Variable range Initial setting value

BRIGHT STANDARD SOFT

TINT 0 - 30 15 15 15

COLOUR 0 - 30 15 15 15

BRIGHT 0 - 30 15 15 15

CONT. 0 - 30 30 15 13

SHARP 0 - 30 15 15 12

(No.YA370)1-17

[5. PRESET]

The items in the following table, it is no requirement for adjustment.If values had changed by the miss operation, set the

initial setting values in the following table.

zCOLOUR SYSTEM (Do not adjust)

zSOUND SYSTEM (Do not adjust)

Setting item Variable range Initial setting value (Fixed value)

PAL SECAM NTSC 3.58 NTSC 4.43

1. C TRAP FIX 0 - 1 1 1 1 1

2. SHARP PEAK 0 - 1 0 0 0 0

3.ABL 0-11111

4. GAMMA 0 - 1 0 0 0 0

5. Y. DELAY TIME TV 0 - 3 0 2 2 3

VIDEO 0-30202

6. BLACK EXP START 0 - 3 3 3 3 3

7.C-BPFTV 0-11100

VIDEO 0-11111

8. CW / SCP 0 - 1 0 0 0 0

9. VIF DET LEVEL -63 - +63 +0 +0 +0 +0

11. IF AGC MIN 0 - 1 0 0 0 0

12. VIF AGC 0 - 1 0 0 0 0

13. VIF PMOD 0 - 1 0 0 0 0

19. VNR 0 - 63 15 15 15 15

20. RGB LIM 0 - 1 1 1 1 1

21. RGB LIMIT LEVEL 0 - 7 2 2 2 2

23. TEXT H. POSITION -16 - +15 -3 -3 -3 -3

24. READ DATA --- --- --- --- ---

Setting item Variable range Initial setting value (Fixed value)

B/G I D/K M

10. SIF DET LEVEL -7 - +7 +0 +0 +0 +0

14. SIF BPF BW ADJUST -7 - +7 +0 +0 +0 +0

15. SIF TRAP FO ADJUST -7 - +7 +0 +0 +0 +0

16. SIF TRAP FO ADJUST 2 -7 - +7 +0 +0 +0 +0

17.SIF-TRAP 0-10000

18.SIF-BPF 0-10001

22.SIFSW 0-11110

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