JVC AV-A14M3 User manual

No.51669
Jan. 2000
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
1COPYRIGHT © 2000 VICTOR COMPANY OF JAPAN, LTD.
AV-A14M3 / AV-A14T3
AV-A14M3(U) / AV-A14T3(HK)
AV-A14M3(-A) / AV-A14T3(-A)
AV-1413EE / AV-A14AU3
CONTENTS
SPECIFICATIONS ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････ ･････････････････････････････
･･････････････････････････････････････････････････････････
･････････････････････････････ 2
★
OPERATING INSTRUCTIONS (APPENDIX)････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････ ････････
････････････････
････････ 1-1
SAFETY PRECAUTIONS ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････ ･･･････････････････････
･･････････････････････････････････････････････
･･･････････････････････ 3
FEATURES････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････ ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････ ･･･
･･････
･･･ 4
MODEL ID. / MAIN DIFFERENCE LIST ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････ ････････････
････････････････････････
････････････ 4
SPECIFIC SERVICE INSTRUCTIONS ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････ ･････････････
･･････････････････････････
･････････････ 6
SERVICE ADJUSTMENTS ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････ ･････････････････････
･･････････････････････････････････････････
･････････････････････ 13
★
STANDARD CIRCUIT DIAGRAM (APPENDIX) ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････ ･････
･･････････
･････ 2-1
PARTS LIST ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････ ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････ ･
･･
･31
SERVICE MANUAL
COLOUR TELEVISION
BASIC CHASSIS
CG

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
2
SPECIFICATIONS
Content
Item AV-A14M3 / AV-A14M3(U) / AV-A14M3(-A) AV-A14T3 / AV-A14T3(HK) / AV-1413EE
AV-A14T3(-A) / AV-A14AU3
Dimensions(W×H×D) 364mm×340.5mm×375mm
Mass 9.9kg ←
RF System B / G, I, D / K, K1 & M B / G, I, D / K, K1
Colour System TV Mode PAL / SECAM / NTSC PAL / SECAM
VIDEO Mode PAL / SECAM / NTSC3.58 / NTSC4.43 ←
Receiving Frequency VHF (VL) 46.25MHz～168.25MHz ←
VHF (VH) 175.25MHz～463.25MHz ←
UHF 471.25MHz～863.25MHz ←
CATV ●Cable TVs of Mid (X-Z, S1-S10) Super (S11-S20) & Hyper (S21-S41) bands receivable
Intermediate
Frequency VIF Carrier 38.0MHz ←
SIF Carrier
32.5MHz(5.5MHz)
31.5MHz (6.5MHz)
32.0MHz (6.0MHz)
←
Colour Sub Carrier Frequency PAL (4.43MHz)
SECAM (4.40625MHz / 4.25MHz)
NTSC (3.58MHz / 4.43MHz)
←
Aerial Input Terminal 75ΩUnbalanced ←
Power Input Rated Voltage 110～240VAC, 50 / 60Hz ←
Power Consumption 70W (Max.) / 47W (Avg.) ←
70W (0.6A)at 220VAC [for AV-A14T3(HK)]
Picture Tube Visible size:34cm measured diagonally
High Voltage 22.5kV±1.5kV(at zero beam current) ←
Speaker 8cm, Round type ←
Audio Output 3W (monaural) ←
Input Video 1Vp-p, 75Ω, RCA×2←
Audio 500mVrms (-4dBs), High impedance,
RCA×2←
Output Video 1Vp-p, 75Ω, RCA×1←
Audio 500mVrms (-4dBs), Low impedance,
RCA×1←
Remote Control Unit RM-C360 (Battery size : AA / R06 / UM-3×2) ←
Design & specifications are subject to change without notice.

No.51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
3
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 which 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. 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.
5. 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).
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. 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 10k:2W resistor to the anode button.
8. 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. W here a short circuit has occurred,
those components that indicate evidence of overheating should
be replaced. Always use the manufacturer's replacement
components.
9. 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.
(1) 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 3000V
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 a test equipment not generally found
in the service trade.
(2) 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.).
z
zz
zAlternate 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 ohms per volt or more sensitivity in the following
manner. Connect a 1500:10W resistor paralleled by a 0.15PF
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.).
0.15
μ
F AC-TYPE
1500
:
10W
GOOD EARTH GROUND
PLACE THIS PROBE
ON EACH EXPOSED
METAL PART
AC VOLTMETER
(HAVING 1000
:
/V,
OR MORE SENSITIVITY)
11. High voltage hold down circuit check. For AV-A14M3(U)
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".

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
4
FEATURES
zNew chassis design enables use of an interactive on-screen control.
zWide range voltage (110V～240V) AC power input.
zWith AUDIO / VIDEO INPUT & OUTPUT terminal.
zMUTING button can reduce the audio level to zero instantly.
zFunctional remote control to operate TV set (for channel select, volume control, power ON/OFF, etc.) from a distance.
zI
2C bus control utilizes single chip ICs for IF, V/C, DEF. VSM PRESET, PRESET & TURBO TIMER.
zBy means of AUTO PROGRAM, the TV stations can be selected automatically and the TV channels can also be rearranged automatically.
zBuilt -in ON TIMER, RETURN+& CHILD LOCK.
SYSTEM BLOCK DIAGRAM
REMOCON
KEY
FUNCTION
CPU
1
I
2
C SCL0 38
SDA0 37
E
2
P ROM
SCL SDA
6,7
I
2
C SCL1 3
SDA1 2
EXT I
2
C
control connector
SCL SDA
V/C/J
V/C/JV/C/J
V/C/J
(
with EEP ROM
)
SCL SDA
TUNER
TUNERTUNER
TUNER

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
5
MODEL ID.(IDENTIFICATION) / MAIN DIFFERENCE LIST
MAIN DIFFERENCE LIST
Ref.
No.
MODEL No.
Parts Name AV-A14M3 AV-A14M3(-A) AV-A14AU3 AV-A14T3
MAIN PWB SCG-1003A-H2 ←
←←
←←
←←
←←
←←
←
POWER CORD QMP40D0-200J5 QMPR010-200-E2 QMP2980-185J5 QMP40D0-200J5
FRONT CABINET LC10164-012A-H ←
←←
←LC10164-014A-H LC10164-015A-H
RATING LABEL LC20377-001A-H LC20413-002A-H LC20377-013A-H LC20377-010A-H
INST. BOOK LCT0650-001A-H ←
←←
←←
←←
←←
←←
←
DIGEST MANUAL LCT0651-001A-H LCT0653-001A-H LCT0652-001A-H
PACKING CASE CP11781-084-H ←
←←
←CP11781-095-H CP11781-079-H
WARRANTY CARD BT-56001-2
POS, SERIAL LABEL CM47385-00B-H ←
←←
←←
←←
←←
←←
←
SERVICE CENTER LIST BT-56002-2
POWER KNOB LC30348-001B-H ←
←←
←LC30348-002A-H LC30348-001B-H
CONTROL KNOB LC30347-001C-H ←
←←
←LC30347-002A-H LC30347-001C-H
CONVERSION PLUG QAM0055-001
REC KEEPING CARD
Ref.
No.
MODEL No.
Parts Name AV-A14T3(-A) AV-A14M3(U) AV-A14T3(HK) AV-1413EE
MAIN PWB SCG-1003A-H2 SCG-1220A-H2 SCG-1222A-H2 ←
←←
←
POWER CORD QMPR010-200-E2 QMP40D0-200J5 QMPN050-200-E2 QMP40D0-200J5
FRONT CABINET LC10164-015A-H LC10164-013A-H LC10164-017A-H LC10164-016A-H
RATING LABEL LC20413-002A-H LC20413-003A-H LC20377-012A-H LC20377-009A-H
INST. BOOK LCT0650-001A-H ←
←←
←LCT0648-001A-H LCT0647-001A-H
DIGEST MANUAL LCT0653-001A-H LCT0651-001A-H
PACKING CASE CP11781-074-H CP11781-084-H CP11781-074-H CP11781-075-H
WARRANTY CARD BT-54012-1
POS, SERIAL LABEL CM47385-00B-H CM47385-00B-H ←
←←
←
SERVICE CENTER LIST
POWER KNOB LC30348-001B-H ←
←←
←←
←←
←←
←←
←
CONTROL KNOB LC30347-001C-H ←
←←
←←
←←
←←
←←
←
CONVERSION PLUG QAM0055-001
REC KEEPING CARD CP30702-001

No.51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
6
MODEL IDENTIFICATION
While referring to the illustration given below, identify each
model No. on the rating label affixed to the rear cover of
UNIT. PIN TYPE
MODEL No. SHAPE
QMPR010-200-E2
FLAT TYPE
PIN PLUG
AV-A14M3(-A)
AV-A14T3(-A)
BF(UK) TYPE
PIN PLUG AV-A14T3(HK)
QMPN050-200-E2
ROUND TYPE
PIN PLUG
AV-A14M3
AV-A14M3(U)
AV-A14T3/AV-1413EE QMP40D0-200J5
RATING LABEL RATING LABEL
AU TYPE
PIN PLUG AV-A14AU3
QMP2980-185J5
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. Unplug the power supply cord.
2. Remove the 5 screws marked A
AA
Aand a screw marked B
BB
Bas
shown in Fig.1.
3. Withdraw the REAR COVER toward you.
[CAUTION]
zWhen reinstalling the rear cover, carefully push it inward after
inserting the MAIN PWB into the rear cover groove.
REMOVING THE MAIN PW BOARD
zAfter removing the rear cover.
1. Slightly raise the both sides of the MAIN PW BOARD by hand
and remove the PWB STOPPER under the MIAN PW BOARD
from the FRONT CABINET.
2. Withdraw the MAIN PW BOARD backward .
(If necessary, take off the wire clamp and connectors, etc.)
REMOVING THE SPEAKER
zAfter removing the rear cover.
1. By holding up the SPEAKER HOLDER marked C
CC
Cslightly and
unlocking the claw, the SPEAKER HOLDER can be removed.
Then you can remove the SPEAKER.
CHECKING THE MAIN PW BOARD
1. To check the backside of the MAIN PW Board.
1) Pull out the MAIN PWB. (Refer to REMOVING THE MAIN
PWB).
2) Erect the chassis vertically so that you can easily check the
backside of the MAIN PW Board.
[CAUTION]
•When erecting the MAIN PWB, be careful so that there will be no
contacting with other PW Board.
•Before turning on power, make sure that the CRT earth wire and
other connectors are properly connected.
WIRE CLAMPING AND CABLE TYING
1. Be sure clamp the wire.
2. Never remove the cable tie used for tying the wires together.
Should it be inadvertently removed, be sure to tie the wires with
a new cable tie.
MODEL ID. No.
AV-A14M3(-A)
AV-A14M3(U)
AV-A14T3(-A)
AV-A14T3(HK)
MODEL ID. No.
AV-A14M3
AV-A14T3
AV-A14AU3
AV-1413EE

No.51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
7
FRONT CABINET
CRT SOCKET PWB
(Within MAIN PWB)
SPEAKER
REAR COVER
SPEAKER HOLDER
A
C
CONTROL KNOB
MAIN PWB
B
PWB STOPPER
POWER CORD

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
8
REPLACEMENT OF MEMORY ICs
1. MEMORY ICs
This model use memory ICs. In the memory ICs are memorized
data for correctly operating the video and deflection circuits.
When replacing memory ICs, be sure 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:
zIt must not adjust without signal.
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 on display, 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 value of the SYSTEM CONSTANT SET
of Table 1. 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) Receive channel of setting
Refer to the OPERATING INSTRUCTIONS and set the
receive channels (channels preset) as described
(6) User Setting
Check the user setting value of Table 2, and if setting
value is different, set the correct value.
For setting, refer to the OPERATING INSTRUCTIONS.
(7) Setting of SERVICE MENU
Verify the setting items of the SERVICE MENU of Table 3,
and reset where necessary.
For setting, refer to the SERVICE ADJUSTMENTS.
NAME OF REMOTE CONTROL KEY
Fig. 1
SERVICE MENU
1. IF 2. V/C
3. DEF 4.VSM PRESET
5.PRESET
6.TURBO TIMER OFF
1-6 SELECT DISP : EXIT
*******
**************
*******
-
*****
**********
***** **
****
**
.
***
******
***
*** ** **
*** ** ***** ** **
*** ** ** *** ***
*** ****** ***
*** ***
SYSTEM CONSTANT-Ⅰ
ⅠⅠ
Ⅰ
SYSTEM CONSTANT SET 1
COLOUR :
* * * * * *
* * * * * * * * * * * *
* * * * * *
BILINGUAL : NO
TUNER : MU
ECO SENSOR : NO
LANGUAGE :
* * * * * *
* * * * * * * * * * * *
* * * * * *
: SELECT
: OPERATE DISP : EXIT
SYSTEM CONSTANT-Ⅱ
ⅡⅡ
Ⅱ
SYSTEM CONSTANT SET 2
B/B SOUND : OFF
LOCK : 90
COLOUR AUTO :
* * *
* * * * * *
* * *
QSS : MINT
ALC : NO
TEXT RATE :
* * *
* * * * * *
* * *
: SELECT
: OPERATE DISP : EXIT
PICTURE
MODE
DISPLAY
MENU
- / +
MENU
▼/▲
Fig.2

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
9
SETTING OF SYSTEM CONSTANT SET
Setting value
Setting item Setting contents AV-
A14M3
AV-
A14M3(-A)
AV-
A14M3(U)
AV-A14T3
AV-
A14T3(-A)
AV-
A14T3(HK)
AV-
A14AU3
AV-
1413EE
COLOUR MULTI MULTI MULTI TRIPLE TRIPLE TRIPLE TRIPLE TRIPLE
BILINGUAL NO NO NO NO NO NO NO NO
TUNER MUMUMUMUMUMUMUMU
ECO SENSOR NO NO NO NO NO NO NO NO
LANGUAGE E/R/A/F E/R/A/F E/R/A/F E/R/A/F E/R/A/F E/C E/R/A/F E/R
B/B SOUND OFF ON OFF OFF ON OFF OFF OFF
LOCK
YES 10 20
250 240 230 90 90 90 90 90 90 90 90
COLOUR AUTO NO YES NO NO YES NO NO NO
QSS MINT MINT MINT MINT MINT MINT MINT MINT
ALC NO NO NO NO NO NO NO NO
TEXT RATE 1 10 20 40 80 20 20 20 20 20 20 20 20
Table 1
USER SETTING VALUES (Setting of the last memory for shipment)
Setting item Setting value Setting item Setting value
SUB POWER ON LANGUAGE ENG.
CHANNEL POSITION 1 POSITION CHANNEL PRESET Refer to OPERATING INSTRUCTION
VOLUME Appropriate sound volume VNR OFF
TV/VIDEO TV AUTO SHUTOFF OFF
ON SCREEN DISPLAY POSITION NUMBER DISPLAY ON TIMER PR1 0:00
COLOUR SYSTEM AUTO PAL BLUE BACK OFF
SOUND SYSTEM B / G CHILD LOCK OFF
OFF TIMER OFF ECO SENSOR OFF
PICTURE MODE (VSM) BRIGHT
Table2
MULTI.
PAL
TRIPLE
YES NO
YES NO
MU MA
E/R/A/F E/A/F
E/AE/F
ON OFF
YES NO
MINT MQSS
YES NO

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
10
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 (Adjustment) items not listed In “ADJUSTMENT”.
zINITIAL SETTING VAKUE of V/C
Initial setting value
Colour system
Setting item
Variable
range PAL SECAM NTSC 3.58 NTSC 4.43
RED
GREEN
1. CUT OFF
BLUE
-128～+127 -50
RED
2. DRIVE BLUE
-128～+127 + 0
3. BRIGHT -127～+127 + 0
4. CONT. -63～+63 + 0
5. COLOUR -63～+63 + 0
TV + 0 + 0
6. TINT VIDEO
-63～+63 + 0 + 0
7. SECAM BL ADJ. -31～+31 + 0
TV - 15
8. SHARP(Do Not Adj.)
VIDEO
-32～+31 +15
zINITIAL SETTING VALUE of DEFLECTION
Initial setting value
Setting item Variable range
fv : 50Hz MODE fv : 60Hz MODE
1. VER. POSITION -04 ～
～～
～+03 + 0 - 3
2. HOR. POSITION -16 ～
～～
～+15 - 2 + 7
3. VER. HEIGHT -64 ～
～～
～+63 -24 - 2
4. VER. LINEARITY -32 ～
～～
～+31 +13 - 5
5. VER. SCURVE -32 ～
～～
～+31 -32 + 0
6. HOR. VCO ADJUST -63 ～
～～
～+62 + 0 + 0
zSETTING VALUE OF VSM PRESET
VSM preset
VSM mode
Setting item
BRIGHT STANDARD SOFT
TINT SETTING VALUE +15
COLOUR SETTING VALUE +15
BRIGHT SETTING VALUE +15
CONT. SETTING VALUE +30 +15 +11
SHARP SETTING VALUE +15 +12

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
11
PRESET ADJUSTMENT
xThe items in the following table, it is no requirement for adjustment.
xIf values had changed by the miss operation, set the initial setting values in the following table.
zCOLOUR SYSTEM (DO NOT ADJUST)
Initial setting value (Fixed value)
Setting item
PAL SECAM NTSC 3.58 NTSC 4.43
1. C TRAP FIX + 1
2. SHARP PEAK + 0
3. ABL + 1
4. GAMMA + 0
TV + 1 + 2 + 3
5. Y. DELAY
TIME VIDEO +0+2+0 +2
6. BLACK EXP START + 3
TV + 1 + 0 + 0
7. C-BPF
VIDEO + 1 + 1
8. CW / SCP + 0
9. VIF DET LEVEL + 0
11. IF AGC MIN + 0
12. VIF AGC + 0
13. VIF PMOD + 0
19. VNR +15
20. RGB LIM + 1
21. RGB LIMIT LEVEL + 2
23. TEXT H. POSITION + 5
24. READ DATA
zSOUND SYSTEM (DO NOT ADJUST)
Setting item B/G Ⅰ
ⅠⅠ
ⅠD/K M
10. SIF DET LEVEL + 0
14. SIF BPF BW ADJUST + 0(-)
15. SIF TRAP FO ADJUST + 0(-)
16. SIF TRAP FO ADJUST 2 + 0(-)
17. SIF TRAP + 0
18. SIF BPF + 1 + 0
22. SIF SW + 1 + 1 + 0

No.51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
12
REPLACEMENT OF IC301 (IF V/C DECODER)
zFor 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.
REPLACING 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 AND LAMPS
①
①①
①MENU (▼
▼▼
▼)④
④④
④REMOTE CONTROL SENSOR
②
②②
②CHANNEL∨
∨∨
∨/∧
∧∧
∧⑤
⑤⑤
⑤POWER / ON TIMER INDICATOR
③
③③
③VOLUME -/+ ⑥
⑥⑥
⑥POWER SWITH

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
13
SERVICE ADJUSTMENTS
BEFORE STARTING SERVICE ADJUSTMENT
1. There are 2 way 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.
For initial setting values not shown in each item of the
adjustments, refer to the “INITIAL SETTING VALUE OF
SERVICE MENU”.
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 staring 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 user adjustment (presetting):
Unless otherwise specified in the adjustment items, preset the
following functions with the REMOTE CONTROL UNIT.
zUser setting position
PICTURE MODE (VSM) BRIGHT
VNR OFF
TINT / COLOUR
BRIGHT / CONT. / SHARP CENTER
BLUE BACK OFF
OFF TIMER OFF
AUTO SHUTO OFF OFF
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
Adjustment item Adjustment item
B1 POWER SUPPLY DEF. circuit adjustment
FOCUS adjustment VSM PRESET setting
IF circuit adjustment PRESET adjustment
PURITY, CONVERGENCEV/C (Video / Chrom) circuit
adjustment
BASIC OPERATION OF 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 :
z1. IF ･･････････････････････ This mode adjusts the setting values of the IF circuit.
z2. V/C ････････････････････ This mode adjusts the setting values of the VIDEO/CHROMA circuit.
z3. DEF. ･････････････････････ This mode adjusts the setting value of the DEFLECTION circuit.
z4. VSM PRESET ･････････････ For setting the values of STANDARD, SOFT and BRIGHT. (VSM : video status memory)
z5. PRESET･･････････････････ This mode adjusts the setting value of the RF circuit (Do not adjust).
z6. TURBO TIMER ････････････ For quick setting the value of TIMER COUNT adjustable not only by minutes but also by second.
(Should be OFF)
If it is ON, the timer in TIMER mode changes from 1 minute into 1 sec temporarily.
(It is easier to checks the Operation of TIMER)
If you turn the TV power off, this setting becomes OFF automatically.

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
14
3. BASIC OPERATION OF SERVICE MENU
(1) How to enter SERVICE MENU
Press the DISPLAY key and the PICTURE MODE key of the
REMOTE CONTROL UNIT simultaneously.
The SERVICE MENU screen of Fig. 1 will be displayed.
(2) Selection of SUB MENU SCREEN
Press one of the keys 1 ～6 of the REMOTE CONTROL UNIT,
and select the SUB MENU SCREEN (See Fig.2) from the SERVICE MENU.
SERVICE MENU SUB MENU 1. IF 4.VSM PRESET
2. V / C 5.PRESET
3. DEF. 6.TURBO TIMER
(3) Setting method of SERVICE MENU
Once the setting values are set, they are memorized automatically.
It must not adjust without signal.
1. IF
[1. VCO]
①1 Key ･････････････････････････ Select
1. IF.
②1 Key ･････････････････････････ Select
1. VCO. (CW)
③The VCO(CW) screen will be displayed in yellow when the AFC voltage is at a certain level and in blue when it is at other levels.
④DISPLAY Key ･･････････････････ When this is pressed twice, you will return to the SERVICE MENU.
[2. DELAY POINT]
①1 Key ･････････････････････････ Select
1. IF.
②2 Key ･････････････････････････ Select
2. DELAY POINT.
③MENU - / + Key ･････････････････ Set (adjust) the setting values of the setting items.
④DISPLAY Key ･･････････････････ When this is pressed twice, you will return to the SERVICE MENU.
2. V/C ,3. DEF. and 4. VSM PRESET
①2,3, & 4 Keys ･･･････････････････ Select one from
2. V/C, 3.DEF. and 4. VSM PRESET
②MENU ▽/ △key ･････････････ Select setting items.
③MENU - / + Key ･････････････････ Set (adjust) the setting values of the setting items.
④DISPLAY Key ･･････････････････ When this is pressed, you will return to the SERVICE MENU.
5. PRESET (DO NOT ADJUST)
①5 Keys ････････････････････････ Select
5. PRESET.
②MENU ▽/ △key ･････････････ Select setting item.
③MENU - / + Key ･････････････････ Set (adjust) the setting values of the setting item.
④DISPLAY Key ･･････････････････ When this is pressed, you will return to the SERVICE MENU.
6. TURBO TIMER
①By pressing the 6-key, you can change the ON or OFF(should be OFF)
(4) Release of SERVICE MENU
After completing the setting, return to the SERVICE MENU, then again press the DISPLAY key.
SERVICE MENU
Fig. 1
SERVICE MENU
1. IF 2. V/C
3. DEF. 4. VSM PRESET
5. PERSET
6. TURBO TIMER OFF
1-6 SELECT DISP : EXIT
*******
**************
*******
-
*****
**********
***** **
****
**
.
***
******
***

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
15
SERVICE MENU
1. IF 2.V/C
3. DEF. 4.VSM PRESET
5. PRESET
6.TURBO TIMER OFF
SERVICE MENU
IF
1. VCO
2. DELAY POINT
1-2 : SELECT DISP : EXIT
SUB MENU 1. IF
VCO (CW)
* * * . * *
MHz
TOO HIGH
ABOVE REFERENCE
JUST REFERENCE
BELOW REFERENCE
TOO LOW
DISP : EXIT
DELAY POINT
AGC TAKE-OVER
* *
- / + : OPERATE DISP : EXIT
V/C PAL
1. CUTOFF
- / + : OPERATE DISP : EXIT
(R)
* * *
(G)
* * *
(B)
* * *
50Hz
SUB MENU 2. V/C
/ :SELECT
BRIGHT
TINT
COLOUR
BRIGHT
CONT.
SHARP
- / + : OPERATE DISP : EXIT
* *
* *
* *
* *
* *
SUB MENU 4. VSM PRESET
/ :SELECT
1-6 : SELECT DISP : EXIT
* * * * * * * * * * * * * * *
.
* * *
DEF.
1. VER. POSITION
- / + : OPERATE DISP : EXIT
* * *
SUB MENU 3. DEF.
/ :SELECT
PRESET PAL
1. C-TRAPFIX
- / + : OPERATE DISP : EXIT
* * *
50Hz
SUB MENU 5. PRESET
/ :SELECT
B/G
6.TURBO TIMER OFF
*
Should be
OFF
with 6-key of R.C.
50Hz
AFT ADJUST
* * ( * * )
V I F V C O A D J U S T * * ( * * )
F I N E
SUB MENU SCREEN
Fig. 2

No. 51669
A
V-A14M3
A
V-A14T3
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V-A14AU3
A
V-1413EE
16
ADJUSTMENT LOCATIONS
TP-E( )
T
U
E1
CRT EARTH
(BRAIDED ASS'Y)
TOP
CRT SOCKET PWB
(
SOLDER SIDE
)
HV
IC301
MEMORY IC
IC702
IC701
F901
DEG
FRONT
MAIN PWB
PW
UPPER:FOCUS
LOWER:SCREEN
FBT
S
1
1
5
TP-47R
TP-47G
TP-47B
TU001
S
U
1Pin TP-91(B1)
2Pin NC
3Pin X-ray2
4Pin X-ray1
5Pin TP-E( )

No. 51669
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V-A14M3
A
V-A14T3
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V-A14AU3
A
V-1413EE
17
ADJUSTMENTS
For initial setting values not shown in each item of the adjustments, refer to the “INITIAL SETTING VALUE OF SERVICE MENU”.
B1 POWER SUPPLY
Item Measuring
instrument Test point Adjustment part Description
Check of
B1 Power
Supply
Signal
generator
DC Volt-
meter
TP-91 (B1)
TP-E (

)
1. Receive a whole black signal.
2. Connect a DC voltmeter to TP-91(B1) and TP-E ().
3. Make sure that the voltage is DC114.5±1.5V.
FOCUS ADJUSTMENT
Item Measuring
instrument Test point Adjustment part Description
Adjustment
of FOCUS
Signal
generator
FOCUS VR
[In FBT]
1. Receive a cross-hatch signal.
2. While watching the screen, adjust the FOCUS VR to make the
vertical and horizontal lines as fine and sharp as possible.
3. Make sure that when the screen is darkened, the lines remain
in good focus.
IF CIRCUIT ADJUSTMENT
Item Measuring
instrument Test point Adjustment part Description
Adjustment
of VCO(CW)
Remote
control unit
VCO(CW)
TRANSF.
It must not adjust without signal.
1. Receive a COLOUR BAR SIGNAL(210.25MHz).
2. Select
1. IF from the SERVICE MENU.
3. Press
1key and select 1. VCO (CW) to display VCO (CW)
SCREEN.
4. Select
VCO ADJUST with MENU ▼/▲key and make sure
that the set-up value is shown as +00. Then check the items 5
and 6 below.
5. With -/+ MENU key, change the value from +00 to -01 and
make sure that the colour of the characters TOO LOW
changes to YELLOW. Then return the value to +00.
6. With -/+ MENU key, change the value from +00 to +01 and
make sure that the colour of the characters TOO HIGH
changes to YELLOW. Then return the value to +00.
7. Select
AFT ADJUST with MENU ▼/▲key. Then press -/+
MENU key until the characters JUST REFERENCE changes
from blue to YELLOW.
8. Press the DISPLAY key three times to return to normal
screen.
◆If you cannot check the colour change of the characters within
the range of ±01 as explained in item 5 and 6 above, use the
±
±±
±02 range for checking.
VCO
(
CW
)
* * *
.
* *
MHz
TOO HIGH
ABOVE REFERENCE
JUST REFERRENCE
BELOW REFERENCE
TOO LOW
AFT ADJUST
* * ( * * )
* * ( * * ) * * ( * * )
* * ( * * )
VCO ADJUST
* * ( * * )
* * ( * * ) * * ( * * )
* * ( * * )
FINE DISP : EXIT
fv
YELLOW colour
menus the
position of AFC
voltage.
ADJUSTMENT ITEM SET-UP
VALUE
VCO ADJUST +00(**)
AFT ADJUST +00(**)
SET-UP VALUE
YELLOW
Do not ad
j
ust

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
18
Item Measuring
instrument Test point Adjustment part Description
Adjustment
of DELAY
POINT
(AGC)
Remote
control unit
DELAY POINT
(AGC TAKE-OVER)
1. Receive a black and white signal (colour off).
2. Select
1. IF from the SERVICE MENU.
3. Select
2. DELAY POINT by pressing the 2key on the remote
control.
4. Adjust the MENU - or + key until video noise disappears.
5. Turn to other channels and make sure that there are no
irregularities.
Setting (adjustment) item Variable
range
Initial setting
value
AV-A14M3(-A)
AV-A14M3(U)
AV-A14M3
N.3.58 +51
AGC TAKE-OVER
(DELAY POINT)
OTHER MODELS OTHERS
0～127
+48
DELAY POINT
AGC TAKE-OVER
- / + : OPERATE DISP : EXIT
* * *

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
19
V / C CIRCUIT ADJUSTMENT
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.
zDo not change the initial setting values of the setting items not listed in “ADJUSTMENT”.
Item Measuring
instrument Test point Adjustment part Description
Adjustment
of WHITE
BALANCE
(Low light)
zSignal
generator
zRemote
control
unit
1. CUT OFF (R)
CUT OFF (G)
CUT OFF (B)
SCREEN VR
(IN FBT)
1. Receive a black and white signal (colour off).
2. From the SERVICE MENU, selct 2. V/C to display 1. CUT OFF
(R), (G) and (B) .
3. Set each value to initial setting value with 4～
～～
～9keys of the
remote control unit.
4. Press the
1key of the remote control unit to produce a single
horizontal line.
5. Turn the
SCREEN VR fully counter-clockwise, then slowly turn
it clockwise to where a red, blue and green colour is faintly
visible.
6. Use keys
4～9of the remote control unit and adjust the other
2 colours to where the single horizontal line appears white.
7. Turn the
SCREEN VR to where the single horizontal line
glows faintly.
8. Press the
2key to return to 1. CUT OFF screen.
9. Press the DISPLAY key twice to return to the normal screen.
Adjustment
of WHITE
BALANCE
(High light)
zSignal
generator
zRemote
control
unit
2. DRIVE
(R)
DRIVE (B)
1. Receive a black and white signal (colour off).
2. From the SERVICE MENU, selct 2. V/C.
3. Select
2. DRIVE (R) / (B) with MENU ▼/▲key, and set each
value to initial setting value with 4and 7or 6and 9keys of the
remote control unit.
4. Use the keys
4and 7 or 6and 9to produce a white screen
5. Press the DISPLAY key twice to return to the nomal screen.
Setting (Adjustment)
item
Variable
range
Initial setting
value
R-128～+127 -50
G-128～+127 -50
1. CUT OFF
B-128～+127 -50
Setting (Adjustment)
item
Variable
range
Initial setting
value
R-128～+127 + 0
2. DRIVE B-128～+127 + 0
V/C PAL
1. CUTOFF
- / + : OPERATE DISP : EXIT
(
R
)
* * *
(
G
)
* * *
(
B
)
* * *
50Hz
/ :SELECT
V/C PAL
2. DRIVE
- / + : OPERATE DISP : EXIT
(
R
)
* * *
(
B
)
* * *
50Hz
/ :SELECT
REMOTE CONTROL UNIT
12 3
456
789
Single
H.LINE ON
Single
H.LINE OFF
R. CUTOFF( )
▲
R. DRIVE( )
R. CUTOFF(
)
R. DRIVE(
)
▲
B. CUTOFF( )
▲
B. DRIVE( )
▲
▲▲
B. CUTOFF( )
B. DRIVE(
)
G. CUTOFF(
)
G. CUTOFF(
)
▲
(
R
)
(
G
)
(
B
)
▲
▲
▲

No. 51669
A
V-A14M3
A
V-A14T3
A
V-A14AU3
A
V-1413EE
20
Item Measuring
instrument Test point Adjustment part Description
Adjustment
of
SUB
BRIGHT
zRemote
control
unit
3. BRIGHT 1. Receive any broadcast.
2. Select
2. V/C from SERVICE MENU.
3. Select
3. BRIGHT with the MENU ▼/▲key.
4. Set the initial setting value with the MENU - or + key.
5. If the brightness is not the best with the initial set value, make
fine adjustment until you get the best brightness.
1. Receive any broadcast.
2. Select
2. V/C from SERVICE MENU.
Adjustment
of
SUB CONT.
zRemote
control
unit
4. CONT.
3. Select
4. CONT. with the MENU ▼/▲key.
4. Set the initial setting value with the MENU - or + key.
5. If the contrast is not the best with the initial set value, make
fine adjustment until you get the best contrast.
5. COLOUR [Method of adjustment without measuring instrument]
PAL COLOUR (PAL COLOUR)
1. Receive a PAL broadcast.
2. Select
2. V/C from the SERVICE MENU.
3. Select
5. COLOUR with the MENU ▼/▲key.
4. Set the initial setting value for PAL COLOUR with the MENU
- or + key.
5. If the colour is not the best with the initial set value, make fine
adjustment until you get the best colour.
SECAM COLOUR (SECAM COLOUR)
1. Receive a SECAM broadcast.
2. Make fine adjustment of SECAM COLOUR as previously.
NTSC 3.58 COLOUR (NTSC 3.58 COLOUR)
1. Receive (RF or VIDEO terminal) a NTSC 3.58 full field colour
bar signal (75% white).
2. Make similar fine adjustment of NTSC 3.58 COLOUR as
previously.
Adjustment
of
SUB
COLOUR Ⅰ
ⅠⅠ
Ⅰ
zRemote
control
unit
(NTSC 4.43 COLOUR)
When NTSC 3.58 is set, NTSC 4.43 will be automatically set at the
respective values.