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AV-14FM




REPLACEMENT OF MEMORY ICs
1.MEMORY ICs
This model uses memory ICs. This memory IC data are for proper operation of the video and deflection circuits.
When replacing memory ICs, be sure to use ICs written with the initial values of data.
SERVICE MENU

2.PROCEDURE FOR REPLACING MEMORY ICs
SERVICE MENU
(1) Power off
1.IF 2.V/C
Switch the power off and disconnect the power plug from the wall 3.DEF 4.VSM PRESET
outlet. 5.PRESET
6.TURBO TIMER OFF
(2) Replace ICs
Be sure to use memory ICs written with the initial data values. 1-6 SELECT DISP : EXIT
***********
*********** **.****
(3) Power on
*** ** ****
**** ***
Connect the power plug into the wall outlet and switch the power on.
(4) Check and set SYSTEM CONSTANT SET Fig.1
It must not adjust without adjustment signals.
1) Press the DISPLAY key and the PICTURE MODE key of the
REMOTE CONTROL UNIT simultaneously.
SYSTEM CONSTANT-
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 SYSTEM CONSTANT SET 1
CONSTANT SET screen of Fig. 2 will be displayed. COLOUR : MULTI.
BILINGUAL : NO
4) Check the setting values of the SYSTEM CONSTANT SET of Table TUNER : MU
1. If the value is different, select the setting item with the MENU / ECO SENSOR : YES
LANGUAGE : E/R/A/F
key, and set the correct value with the MENU - / + key.
5) Press the DISPLAY key twice, and return to the normal screen. : SELECT
: OPERATE DISP : EXIT
(5) Receive channel of setting
Refer to the OPERATING INSTRUCTIONS and set the receive
channels (channels preset) as described SYSTEM CONSTANT-
(6) User Setting
Check the user setting value of Table 2, and if setting value is different,
SYSTEM CONSTANT SET 2
set the correct value.
B/B SOUND : OFF
For setting, refer to the OPERATING INSTRUCTIONS.
LOCK : 180
(7) Setting of SERVICE MENU COLOUR AUTO : NO
Verify the setting items of the SERVICE MENU of Table 3, and reset QSS : MINT
ALC : NO
where necessary. TEXT RATE : 20
For setting, refer to the SERVICE ADJUSTMENTS.
:SEL :OPE DISP:EXIT

NAME OF REMOTE CONTROL KEY
SYSTEM CONSTANT-


SYSTEM CONSTANT SET 3
PICTURE AMP TUNER : NO
MODE




:SEL :OPE DISP:EXIT


MENU
DISPLAY
Fig.2
MENU





8 No. 51753
AV-14FM



SETTING OF SYSTEM CONSTANT SET

Setting item Setting contents Setting value

MULTI TRIPLE PAL
COLOUR MULTI

YES NO
BILINGUAL NO

MU MA MU
TUNER

ECO SENSOR YES NO YES

LANGUAGE E/R/A/F E/A/F E/A E/F E/R/A/F

B/B SOUND ON OFF OFF

LOCK YES 10 20 230 240 250 180

COLOUR AUTO YES NO NO

MINT MQSS
QSS MINT


ALC YES NO NO

TEXT RATE 10 20 40 80 20

AMP TUNER YES NO NO

Table 1

USER SETTING VALUES

Setting item Setting value Setting item Setting value

1. Setting of FUNCTIONS 2. Setting of MENU

MAIN POWER OFF ON TIMER PR1 0:00

SUB POWER ON VNR OFF

CHANNEL POSITION 1 POSITION AUTO SHUTOFF OFF

VOLUME Appropriate sound volume CHILD LOCK OFF
TV/VIDEO(INPUT) TV BLUE BACK OFF
ON SCREEN DISPLAY POSITION NUMBER DISPLAY CHANNEL PRESET Refer to OPERATING INSTRUCTION

COLOUR SYSTEM AUTO PAL LANGUAGE ENGLISH

SOUND SYSTEM B/G TINT Refer to VSM PRESET

OFF TIMER OFF COLOUR Refer to VSM PRESET

PICTURE MODE (VSM) BRIGHT BRIGHT Refer to VSM PRESET

ECO SENSOR OFF CONT. Refer to VSM PRESET

SHARP Refer to VSM PRESET
Table 2




No. 51753 9
AV-14FM



SERVICE MENU SETTING ITEMS

Service menu Setting item Service menu Setting item

1. IF 1. VCO 5. PRESET 1. C-TRAP FIX
2. DELAY POINT 2. SHARP PEAK
3. ABL
4. GAMMA
5. Y DELAY TIME
2. V/C 1. CUT OFF (R / G / B) 6. BLACK EXP START
2. DRIVE (R / B) 7. C-BPF
3. BRIGHT 8. CW/SCP
4. CONT. 9. VIF DET LEVEL
5. COLOUR (P / S / N3 /N4) 10. SIF DET LEVEL
6. TINT (N3 / N4) 11. IF AGC MIN.
7. SECAM BL ADJUST 12. VIF AGC
DO NOT ADJUST
8. SHARP (TV/VIDEO) 13. VIF PMOD
14. SIF BPF BW ADJUST
DO NOT ADJUST 15. SIF TRAP FO ADJUST
16. SIF TRAP FO ADJUST 2
3. DEF 1. VER. POSITION 17. SIF TRAP
2. HOR. POSITION 18. SIF BPF
3. VER. HEIGHT 19. VNR
4. VER. LINEARITY 20. RGB LIM
5. VER. SCURVE 21. RGB LIMIT LEVEL
6. HOR. VCO ADJUST 22. SIF SW
23. TEXT H POSITION
DO NOT ADJUST 24. READ DATA




4. VSM PRESET TINT 6. TURBO TIMER ON or OFF
(BRIGHT/STD/SOFT) COLOUR (Should be OFF)
BRIGHT If it is ON, the timer in TIMER mode changes from 1
CONT. minute into 1 sec temporarily.
SHARP (It is easier to checks the Operation of TIMER)
If you turn the TV power off, this setting becomes OFF
automatically.



Table 3




10 No. 51753
AV-14FM




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.




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.



FRONT CABINET




No.51753 11
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SERVICE ADJUSTMENTS
BEFORE STARTING SERVICE ADJUSTMENT
1. There are 2 way of adjusting this TV: One is with the 6. Never touch parts (such as variable resistors, transformers
REMOTE CONTROL UNIT and the other is the and condensers) not shown in the adjustment items of this
conventional method using adjustment parts and service adjustment.
components. 7. Preparation for adjustment (presetting):
2. The setting (adjustment) using the REMOTE CONTROL Unless otherwise specified in the adjustment items, preset the
UNIT is made on the basis of the initial setting values. following functions with the REMOTE CONTROL UNIT.
The setting values which adjust the screen to the
optimum condition can be different from the initial setting
PICTURE MODE (VSM) BRIGHT
values.
TINT / COLOUR / BRIGHT / Refer to VSM PRESET on
3. Make sure that connection is correctly made to AC power
CONT / SHARP page 25.
source.
4. Turn on the power of the TV and measuring equipment for ECO SENSOR OFF
warming up for at least 30 minutes before staring adjustment. VNR OFF
5. If the receive or input signal is not specified, use the most BLUE BACK OFF
appropriate signal for adjustment.




MEASUREMENT INSTRUMENT ADJUSTMENT ITEMS
AND FIXTURES Adjustment item Adjustment item
1. DC voltmeter (or digital voltmeter)
DEFLECTION circuit
2. Oscilloscope B1 POWER SUPPLY
adjustment
3. Signal generator (Pattern generator) [PAL / SECAM / NTSC]
4. Remote control unit FOCUS adjustment VSM PRESET adjustment

IF circuit adjustment PRESET adjustment
VIDEO/CHROMA circuit PURITY / CONVERGENCE
adjustment 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 :

" 1. IF For entering/adjusting the setting values (adjustment values) of the IF circuit.
" 2. V/C For entering/adjusting the setting values (adjustment values) of the VIDEO/CHROMA circuit.
" 3. DEF For entering / adjusting the setting values (adjustment values)#of the DEFLECTION circuit.
" 4. VSM PRESET For setting the values of BRIGHT, STANDARD, and SOFT.
(VSM : video status memory)
" 5. PRESET This is used when the PRESET MODE is adjusted. [Do not adjust]
" 6. TURBO TIMER For quick setting the values of TIMER COUNT-adjustable not only by minutes but also by second.
If it is on, the time in TIMER mode changes from 1 minute into 1 second temporarily.
If you turn the TV power off, this setting becomes OFF automatically. (applicable to OFF TIMER,
ON TIMER, AUTO SHUTOFF). [Should be OFF]




12 No. 51753
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3. BASIC OPERATION OF SERVICE MENU
SERVICE MENU
(1) How to enter SERVICE MENU
Press the DISPLAY key and the PICTURE MODE key of the
REMOTE CONTROL UNIT simultaneously. SERVICE MENU
The SERVICE MENU screen of Fig. 1 will be displayed. 1.IF 2.V/C
3.DEF 4.VSM PRESET
5.PRESET
6.TURBO TIMER OFF

1-6 SELECT DISP : EXIT
****** ***** **.****
*** ** ** ** ***

(2) Selection of SUB MENU SCREEN Fig.1
Press one of the keys 1 6 of the REMOTE CONTROL UNIT,
and select the SUB MENU SCREEN (See Fig.2 on the next page) from the SERVICE MENU.

SERVICE MENU SUB MENU 1. IF
2. V / C
3. DEF
4. VSM PRESET
5. PRESET
6. TURBO TIMER




(3) Method of Setting
$ Once the setting values are set, they are memorized automatically.
$ It must not adjust without signal.

1) 1. IF
[1. VCO]
1 Key Select 1. IF.
1 Key Select 1. VCO(CW).
VCO(CW) Adjust VCO(CW) while watching the colour (yellow / blue) of the characters on the
screen. For details, refer to the adjustment table.
DISPLAY Key When this is pressed twice, you will return to the SERVICE MENU.

[2. DELAY POINT]
1 Key Select 1. IF.
2 Key Select 2. DELAY POINT.
MENU - / + Key Set (adjust) the setting values of the setting items.
DISPLAY Key When this is pressed twice, you will return to the SERVICE MENU.



2) 2. V/C, 3. DEF, 4.VSM PRESET and 5. PRESET
25 Keys Select one from 2. V/C, 3.DEF, 4.VSM PRESET and 5. PRESET.
MENU / key Select setting items.
MENU - / + Key Set (adjust) the setting values of the setting items. (Use the number keys of the
REMOTE CONTROL UNIT for setting of WHITE BALANCE and BLACK OFFSET. For
the setting, refer to each item concerned.)
DISPLAY Key When this is pressed , you will return to the SERVICE MENU.

3) 6. TURBO TIMER
By pressing the 6-key, you can change the ON/OFF position. [Should be OFF]



(4) Release of SERVICE MENU
After completing the setting, return to the SERVICE MENU by pressing the DISPLAY key, then again press the DISPLAY key to return
to the normal screen.



No. 51753 13
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SUB MENU SCREEN (Fig.2)

SERVICE MENU SUB MENU 1. IF

VCO (CW) ***.** MHz
SERVICE MENU TOO HIGH
IF ABOVE REFERENCE
1.IF 2.V/C
3.DEF 4.VSM PRESET JUST REFERENCE
1. VCO BELOW REFERENCE
5.PRESET
2. DELAY POINT TOO LOW
6.TURBO TIMER OFF
AFT ADJUST ***(**)
1-6 SELECT DISP : EXIT VCO ADJUST ***(**)
***********
*********** **.**** 1-2 : SELECT DISP : EXIT FINE
DISP : EXIT
*** ** ****
**** ***




6.TURBO TIMER OFF
DELAY POINT
SUB MENU 2. V/C

ON / OFF AGC TAKE-OVER **
(By pressing 6-key) V/C PAL
- / + : OPERATE DISP : EXIT
1. CUTOFF (R) * **
(G) * **
(B) * **
50Hz
/ :SELECT
- / + : OPERATE DISP : EXIT



SUB MENU 3. DEF



DEF PAL
1. VER. POSITION ***



50Hz
/ :SELECT
- / + : OPERATE DISP : EXIT



SUB MENU 4. VSM PRESET


BRIGHT
TINT **
COLOUR **
BRIGHT **
CONT. **
SHARP **

/ :SELECT
- / + : OPERATE DISP : EXIT



SUB MENU 5. PRESET



PRESET PAL
1. C-TRAP FIX ***


50Hz B/G
/ :SELECT
- / + : OPERATE DISP : EXIT



14 No. 51753
AV-14FM




ADJUSTMENT LOCATIONS

CRT SOCKET PWB (SOLDER SIDE)
(Within MAIN PWB)

TOP
U

TP-47R/G


TP-47G/R TP-47B




E1

TP-E
T
CRT EARTH WIRE
(BRAIDED ASS'Y)

MAIN PWB
FRONT



F901
IC701 IC702
MEMORY IC

PW




DEG
S




IC301 S1 HV
TU001
T

U

HVT




1Pin TP-91(B1) UPPER:FOCUS
2Pin NC LOWER:SCREEN
3Pin X-ray1
4Pin X-ray2
5Pin TP-E( )




No. 51753 15
AV-14FM




ADJUSTMENTS

B1 POWER SUPPLY

Measuring
Item instrument Test point Adjustment part Description


Check of Signal TP-91 (B1) 1. Receive a whole black signal.
B1 Power generator
#
TP-E (# ) 2. Connect a DC voltmeter to TP-91(B1) and TP-E (#).
Supply
DC 3. Make sure that the voltage is DC114.51.5V.
Volt-meter




FOCUS ADJUSTMENT
Measuring
Item instrument Test point Adjustment part Description


Adjustment Signal FOCUS VR 1. Receive a cross-hatch signal.
of FOCUS generator [In HVT] 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
Measuring
Item instrument Test point Adjustment part Description

Adjustment Signal 1. VCO Please use signal generator which is correct proof about the
of VCO(CW) generator
sending frequency.

Remote 1. Receive the PAL full colour bar (210.25MHz) signal.
control unit
2. Select 1.IF from the SERVICE MENU.
3. Press 1 key and select 1.VCO.
4. Select VCO ADJUST with MENU / key.
VCO (CW) ***.** MHz
TOO HIGH 5. Press MENU -/+ key until the colour of the characters TOO
ABOVE REFERENCE HIGH changes blue to yellow. Then gradually press the MENU
JUST REFERENCE YELLOW -/+ key until the TOO LOW changes yellow. At this time, confirm
BELOW REFERENCE
TOO LOW that the value of VCO ADJUST is near +00.
AFT ADJUST ***(**) 6. Select AFT ADJUST with MENU / key.
VCO ADJUST ***(**)
FINE Do not adjust 7. Press MENU -/+ key until the characters JUST REFERENCE
DISP : EXIT changes blue to yellow.
8. Press the DISPLAY key three times to return to normal screen.




16 No. 51753
AV-14FM




Measuring
Item instrument Test point Adjustment part Description


Adjustment Signal DELAY POINT 1. Receive a black and white signal (colour off).
of DELAY generator (AGC TAKE-OVER) 2. Select 1. IF from the SERVICE MENU.
POINT Remote 3. Select 2. DELAY POINT by pressing the 2 key on the remote
(AGC) control unit control unit.
4. Adjust the MENU - or + key until video noise disappears.
5. Turn to other channels and make sure that there are no
irregularities.
DELAY POINT
Initial setting value
(AGC TAKE OVER)


NTSC 3.58 48

OTHER 43




VIDEO / CHROMA 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.
Do not change the initial setting values of the setting items not listed in "ADJUSTMENT".


Initial setting value
Colour system
Setting item PAL SECAM NTSC 3.58 NTSC 4.43

RED -50
1. CUT OFF GREEN -50
BLUE -50
RED +0
2. DRIVE
BLUE +0

3. BRIGHT +0

4. CONT. +0

5. COLOUR +0 +0 +0 +0

TV +0 (+0)
6. TINT
VIDEO +8 (+0)

7. SECAM BL ADJUST +0

TV -15
8. SHARP
(Do not adjust) VIDEO +5
( ) : OFF SET Value




No. 51753 17
AV-14FM




Measuring
Item instrument Test point Adjustment part Description


Adjustment Signal 1. CUT OFF (R) 1. Receive a black and white signal (colour off).
of WHITE generator CUT OFF (G) 2. From the SERVICE MENU, select 2. V/C to display 1. CUT OFF
BALANCE Remote CUT OFF (B) (R), (G) and (B) .
(Low light) control unit 3. Set each value to initial setting value with 49 keys of the
SCREEN VR remote control unit.
[IN HVT] 4. Press the 1 key of the remote control unit to show the single
horizontal line on screen.
5. Turn the SCREEN VR fully counter-clockwise, then slowly turn it
clockwise to where one of a red, blue or green colour is faintly
visible.
V/C PAL 6. Use keys 49 of the remote control unit and adjust the other 2
1. CUTOFF (R) * ** colours which except the appeared colour to where the single
(G) * ** horizontal line appears white.
(B) * **
7. Turn the SCREEN VR to where the single horizontal line glows
50Hz
faintly.
/ :SELECT
- / + : OPERATE DISP : EXIT
8. Press the 2 key to turn off the single horizontal line.
9. Press the DISPLAY key twice to return to the normal screen.




Variable Initial setting
KEY ASSIGNMENT OF REMOTE CONTROL UNIT Adjustment item range value
H.LINE OFF
R -128+127 -50
1 2 3
H.LINE ON 1. CUT OFF G -128+127 -50
G. CUTOFF( ) B -128+127 -50
4 5 6
R. CUTOFF( ) B. CUTOFF( )
R. DRIVE( ) B. DRIVE( )
7 8 9
R. CUTOFF( ) B. CUTOFF(

)

R. DRIVE( ) B. DRIVE(

)

G. CUTOFF( )
R G B

Adjustment Signal 2. DRIVE (R) 1. Receive a black and white signal (colour off).
of WHITE generator DRIVE (B) 2. Select 2. V/C from the SERVICE MENU.
BALANCE Remote 3. Select 2. DRIVE (R) / (B) with MENU / key, and set each
(High light) control unit value to initial setting value with 4 and 7 or 6 and 9 keys of the
remote control unit.
4. Use the keys 4 and 7 or 6 and 9 to produce a white screen
5. Press the DISPLAY key twice to return to the nomal screen.




V/C PAL Variable Initial setting
Adjustment item range value
2. DRIVE (R) * **
(B) * ** R -64+63 +0
2. DRIVE
B -64+63 +0
50Hz
/ :SELECT
- / + : OPERATE DISP : EXIT




18 No. 51753
AV-14FM




Measuring
Item instrument Test point Adjustment part Description

Adjustment Remote 3. BRIGHT 1. Receive any broadcast.
of control unit 2. Select 2. V/C from SERVICE MENU.
SUB 3. Select 3. BRIGHT with the MENU /key.
BRIGHT 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.



Adjustment Remote 4. CONT. 1. Receive any broadcast.
of control unit 2. Select 2. V/C from SERVICE MENU.
SUB 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.




Adjustment Remote 5. COLOUR [Method of adjustment without measuring instrument]
of control unit
SUB
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 1. Receive a SECAM broadcast.
2. Make fine adjustment of SECAM COLOUR as previously.




NTSC 3.58 COLOUR 1. Receive a NTSC 3.58MHz broadcast.
2. Make similar fine adjustment of NTSC 3.58 COLOUR as
previously.




NTSC 4.43 COLOUR When NTSC 3.58 adjustment completed, NTSC 4.43 will be
automatically set at the respective values.




No. 51753 19
AV-14FM




Measuring
Item Test point Adjustment part Description
instrument

Adjustment Signal TP-47R/G 5. COLOUR [Method of adjustment using measuring instrument]
of SUB generator
COLOUR Oscillo- #
TP-E (# )
PAL COLOUR 1. Receive a PAL full field colour bar signal (75% white).
scope [CRT SOCKET
PWB] 2. Select 2. V/C from SERVICE MENU.
Remote 3. Select 5. COLOUR with the MENU / key.
control unit 4. Set the initial setting value of PAL COLOUR with the MENU - or
+ key.
5. Connect the oscilloscope between TP-47R/G and TP-E.
6. Adjust PAL COLOUR to bring the value of (A) in the illustration
B to +9V (W&G).
R
Mg



()
0V
W
Y (A) ()
Cy
G


SECAM COLOUR 1. Receive a SECAM full field colour bar signal (75% white).
2. Set the initial setting value of SECAM COLOUR with the MENU
- or + key.
3. Adjust SECAM COLOUR to bring the value of (A) in the
illustration to +3V (W & G).




NTSC 3.58 COLOUR 1. Receive a NTSC 3.58 full field colour bar signal (75% white).
2. Set the initial setting value of NTSC 3.58 COLOUR with the
MENU - or + key.
3. Adjust NTSC 3.58 COLOUR to bring the value of (A) in the
illustration to +7V (W&G).




NTSC 4.43 COLOUR When NTSC 3.58 is set, NTSC 4.43 will be automatically set at the
respective values.




20 No. 51753
AV-14FM




Measuring
Item instrument Test point Adjustment part Description


Adjustment Signal 6. TINT [Method of adjustment without measuring instrument]
of TINT generator

Remote NTSC 3.58 TINT 1. Receive a NTSC 3.58 full field colour bar signal (75% white).
control unit 2. Select 2. V/C from SERVICE MENU.
3. Select 6. TINT with the MENU / key.
4. Set the initial setting value of NTSC 3.58 with the MENU - or +
key.
5. If you cannot get the best tint with the initial setting value, make
fine adjustment until you get the best tint.



NTSC 4.43 TINT When NTSC 3.58 is set, NTSC 4.43 will be automatically set at the
respective values.



Adjustment Signal TP-47R/G 6. TINT [Method of adjustment using measuring instrument]
of TINT generator
#
TP-E (# )
Oscillo- [CRT NTSC 3.58 TINT 1. Receive a NTSC 3.58 full field colour bar signal (75% white).
scope SOCKET 2. Select 2. V/C from SERVICE MENU.
PWB]
3. Select 6. TINT with the MENU / key.
Remote
control unit 4. Set the initial setting value of NTSC 3.58 with the MENU - or +
key.
5. Connect the oscilloscope between TP-47R/G and TP-E.
6. Adjust NTSC 3.58 TINT to bring the value of (B) in the
illustration to +5V (W&Cy).




B
R
Mg



()
0V
W (B) ()
Y
Cy
G




NTSC 4.43 TINT When NTSC 3.58 is set, NTSC 4.43 will be automatically set at the
respective values.




No. 51753 21
AV-14FM




Measuring
Item instrument Test point Adjustment part Description


Adjustment Remote 7.SECAM 1. Receive a SECAM full field colour bar signal.
of SECAM control unit BL ADJUST 2. Select 2. V/C from SERVICE MENU.
BLACK Signal 3. Select 7. SECAM BL ADJUST with /MENU key.
OFFSET generator 4. Set the initial setting value with the or + MENU key.
5. Switch the key (colour OFF) and key (colour ON) on the
remote control and make sure that there is no colour on the
black and white screen.
6. If the black and white screen is not best with the initial setting
value, make fine adjustment until you get the best black and
white screen.
7. Press the DISPLAY key twice to return to the normal screen.




KEY ASSIGNMENT OF REMOTE CONTROL UNIT


COLOUR
ON
1 2 3
COLOUR
OFF

4 5 6



7 8 9




22 No. 51753
AV-14FM



DEFLECTION CIRCUIT ADJUSTMENT
" There are 2 modes of adjustment (setting value) ------ 50Hz mode and 60Hz mode ----- depending upon the kind of signals
(vertical frequency 50Hz / 60Hz).
" When adjusted in 50Hz mode, 60Hz mode will be automatically set.

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.


Initial setting value
Setting item
50Hz MODE 60Hz MODE

1. VER. POSITION -2 -3

2. HOR. POSITION +1 +4


3. VER. HEIGHT -40 +0


4. VER. LINEARITY +13 -3


5. VER. SCURVE -32 +0


6. HOR. VCO ADJUST(Do not adjust) +0 +0



Measuring
Item instrument Test point Adjustment part Description


Adjustment Signal 1. VER. POSITION [fv : 50Hz mode]
#
of#V.HEIGHT generator 3. VER. HEIGHT 1. Receive a circle pattern signal
&V. Remote 2. Select 3. DEF. from SERVICE MENU.
POSITION control unit 3. Select 1. VER. POSITION with the MENU / key.
4. Set the initial setting value with the MENU - / + key.
5. Adjust 1. VER. POSITION to make V=V" as shown in Fig.1,
with the MENU - / + key.
V 6. Receive a cross-hatch signal.
7. Select 3. V. HEIGHT with the MENU / key.
8. Set the initial setting value with the MENU - / + key.
9. As shown in Fig.2, adjust 3. VER. HEIGHT and make the
vertical screen size 92% of the picture size with the MENU - / +
keys of remote control unit.

V"
Fig.1


Screen size




Screen Picture
size size
92% 100%




Picture size 100%
Fig.2




No. 51753 23
AV-14FM




Measuring
Item instrument Test point Adjustment part Description


Adjustment Signal 2. HOR. 10. Receive a circle pattern signal.
#
of#HOR. generator POSITION 11. Select 2. HOR POSITION with the MENU / key.
POSITION Remote 12. Set the initial setting value of 2. HOR. POSITION with the
control unit MENU - / + key.
13. Adjust 2. HOR. POSITION to make H=H" as shown in Fig.3
with the MENU - / + key.
H H"




Fig.3




Adjustment Signal 4. VER. LINEARITY When the vertical linearity has been deteriorated
of VER. LIN. generator 5. VER. SCURVE remarkably, perform the following steps.
& VER. Remote 14. Receive a cross-hatch signal.
SCURVE control unit 15. Select 4. VER. LINEARITY with the MENU / key.
16. Set the initial setting value of 4. VER LINEARITY with the
MENU - / + key.
17. Select 5. VER. SCURVE with the MENU / key.
TOP
18. Set the initial setting value of 5. VER. SCURVE with the
MENU - / + key.
19. Adjust 4. VER. LINEARITY and 5. VER. SCURVE so that the
CENTER spaces of each line as shown in Fig.4 on TOP, CENTER and
BOTTOM become uniform.




BOTTOM

Fig.4




20. Make sure that the adjustment is properly done on the screen
of 60Hz mode.
[NOTE]
" Adjust to make both 50Hz & 60Hz are the same v. size and
fine straight line.
" When adjust again, adjust 50Hz mode first.
" When adjust in 60Hz mode, only 60Hz mode is adjust.




24 No. 51753
AV-14FM



VSM PRESET ADJUSTMENT

Measuring
Item Test point Adjustment part Description
instrument

Setting of Remote TINT 1. Select 4. VSM PRESET from the SERVICE MENU.
VSM control unit COLOUR 2. Select BRIGHT with the PICTURE MODE key.
PRESET BRIGHT 3. Adjust the MENU / and MENU - or + key to bring the set
CONT. values of TINT SHARP to the values shown in the table.
SHARP 4. Respectively select the VSM PRESET mode for STANDARD
and SOFT, and make similar adjustment as in 3 above.




BRIGHT
TINT **
COLOUR **
BRIGHT **
CONT. **
SHARP **

/ :SELECT
- / + : OPERATE DISP : EXIT




VSM preset SETTING VALUE
VSM mode
Setting item BRIGHT STANDARD SOFT

TINT 15

COLOUR 15

BRIGHT 15

CONT. 30 15 11

SHARP 15 12
SETTING VALUE OF VSM PRESET




No. 51753 25
AV-14FM



PRESET ADJUSTMENT (Do not adjust)
" 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.



Initial setting value
Setting item
PAL SECAM NTSC 3.58 NTSC 4.43

1. C-TRAP FIX 0

2. SHARP PEAK 0

3. ABL 1

4. GAMMA 0

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

6. BLACK EXP START 3

TV 1 0
7. C-BPF
VIDEO 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 -3

24. READ DATA



Setting item B/G I D/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 0 1

22. SIF SW 1 0




26 No. 51753
AV-14FM




PURITY / CONVERGENCE ADJUSTMENT
PURITY ADJUSTMENT

1. Demagnetize CRT with the demagnetizer.

WEDGE
DEFLECTION
2. Loosen the retainer screw of the deflection yoke.
YOKE


3. Remove the wedges.