This model uses a memory IC.
The memor y IC st or es dat a for proper op er at ion of video and defl ection c irc uits.
When replacing, be sure to use an IC containing this (initial value) data.
2. Memory IC replacement pro cedu re
PROCEDURESCREEN DISPLAY
(1)
Power off
Switch off the power and dis connect th e pow er c ord f r om t h e wall
outlet.
(2)
Replace the memory IC
.
Be sure to u se memo ry ICs written with the i nitial data values.
(3)
Power on
Connect the power cord to the wall outlet and switch on the power.
(4)
System constant check and setting
) Simul taneous ly press th e DISPLA Y key and V IDEO STAT US key
1
of the remote control unit.
) The SERVICE MENU screen of Fig.1 is displayed.
2
) While the SERVICE MENU is displayed, again simultaneously
3
press t h e D IS PLAY an d VIDEO STATUS k eys to displ ay the Fig.2
SYSTEM CONSTANT screen.
) Refer to the SYSTEM CONSTANT table and check the setting
4
items. W here these diff er, select th e setting it em with the MENU
UP / DO WN key and adjust t he setting with the MENU LEFT /
RIGHT keys. (The letters of the selected item are displayed in
yellow.)
) A fter adj ustin g, r el ease t h e MENU LE FT / R IG HT key to st or e t he
5
setting value.
) Press the EXIT key twice to return the normal screen.
6
SERVICE MENU
PICTURESOUND
VIDEO STATUSOTHERS
LOW LIGHTHI GH LIGHT
RF AFC CHK
VCO (CW)I2C BUS CTRL
SELECT BY
OPERATE BY
EXIT BY
EXIT
IT
Fig.1
SYSTEM CONSTANT
VIDEO: 2
AUDIO: MTS
VARI. OUT: NO
GAME: YES
CINEMA: YES
(5)
Receive chann el s et ting
SELECT BY
OPERATE BY
EXIT BY
EXIT
Refer to the OPERATING INSTRUCTIONS (USER’S GUID E) and
set the receive channels (Channels Preset) as de scribed.
SYSTEM CONSTANT
(6)
User setti n gs
Check th e us er s ett in g i t ems according t o Table 2-1 and 2- 2.
CCD: YES
RETURN+: YES
SURROUND: YES
Where these do not agree, refer to the OPERATING
INSTRUCTIONS (USER’S GUIDE) and set the items as described.
(7)
SERVICE MENU setting
M37272MA-
SELECT BY
OPERATE BY
×××
×××
××××××
SP
EXIT BY
EXIT
Verify what to set in the SERVICE MENU, and set whatever is
necessary. (Fig.1) Refer to the SERVICE ADJUSTMENT for setting.
1.Settin g of FUN CTION
Setting itemSetting valueSetting itemSetting value
MAIN POWEROFFDISPLAYOFF
SUB POWERONSLEEP TIMER0 MIN
CHANNELCH 02VIDEO STATUSESTANDAR
CAPTIONOFF(CC1/T1)PICTURE BOOSTEROFF
VOLUME10COLOR SYSTEMAUTO
TV/VIDEOTVHYPER SURROUNDOFF
Table 2-1
2.Setting of MENU
Setting itemSetting value
TINTEESTANDARALTAVOCESSI
COLORESTANDARCHILD LOCKNO
CONTRASTEESTANDARTEMPORIZADORNO
BRILLOESTANDARLISTA DE CANAISSET OPTIONALLY
DETALLEESTANDARAJUSTE CODIGO DE ACCESOUnnecessary to Set
GRAVESCENTERPANTALLA AZULNO
AGUDOSCENTERFONDO NEGROSI (SIM)
BALANCECENTERIDIOMAESP.
MTSESTÉREOSUBTITULOS OCULTOSNO(CC1/T1)
Table 2-2
Setting itemSetting value
No.51866
9
A
V-T2122
SERVICE ADJUSTMENTS
ADJUSTMENT PREPARATION
1. You can make t he nec essar y adju st ment s for thi s un it wit h ei ther th e rem ote contro l u nit or with th e adj ust men t equ ip ment and
part s as given below.
2. Adju stment with t he r e mote control unit is made on t he b a si s o f t h e initial set t i ng v al u es , h o wev er , t h e new setting v alu es which
set the screen to its optimum condition may differ from the initial settings.
3. Make sure that AC power is turned on correctly..
4. Turn on the power for the set and test equipment before use, and start the adjustment procedures after waiting at least 30 minutes
5. Unless otherwise specified, prepare the most suitable reception or input signal for adjustment.
6. Never touch any adjustment parts, which are not specified in the list for this adjustment-variable resistors, transformers, condensers, et c .
7. Pres et ti ng b efore adjustment.
Unless otherwise specified in the adjustment instructions, preset the following functions with the remote control unit.
VIDEO STATUSESTANDAR
GRAVES, AGUDOS, BALANCECENTER
$$$$
ADJUSTMENT EQUIPMENT
1. DC volt m eter(or digital volt m et er )
2. Oscilloscope
3. Signal generator ( Pa ttern generator ) [NTSC%M]![PAL-M] [PAL-N ]
4. Remote control unit
5. TV audio multiplex signal generator
6. Frequency counter
ADJUSTMENT ITEMS
B1 POWER SUPPLY
●
IF VCO adjustment
●
RF AGC adjustment
●
FOCUS ad jus tment
●
DEFLECT IO N ad jus t m ent
●
V. HEIGHT, V. POSITION, V. LIN., V S CR adjustment
H. POSITION adjustment
VIDEO / CHROMA adjustment
●
WHITE BALANCE (Low light) adjustment
WHIT E BALAN C E (H i gh li ght) adjus t m ent
SUB BRIGHT adjustment
SUB CONTRAST adjustment
SUB COLOR adjustment
SUB TINT adjustment
●MTS adjus t m en t
INPUT LEVEL adjustment
STEREO VCO adjustment
SAP VCO adjustment
FILTER check
SEPARATION adjust ment
10
No.51866
A
ADJUSTMENT LOCATIONS
(
)
FRONT
VOL+
V-T2122
CH-CH+VOL-
MENU
SW
DEG.
F901
PW
MPX
T
5 1
AV IN OUT
IC701
TUNER
IC704
T111
CW
IC101
B1(TP-91)
GND(TP-E)
B1
S
MAIN P WB
HV
3
1
X
U
T522
3
1
UPPER : FOCUS
LOWER : SCREEN
CRT SOCKET PWB
TOP
(Within MAIN PWB ASS'Y)
TP-47B
E1
TP-E
SOLDER SIDE
No.51866
CRT EARTH
(BRAIDED ASS'Y)
11
A
V-T2122
BASIC OPERATION OF SER VICE MENU
1. Operate the SERVICE MENU with the REMOTE CONTROL UNIT.
2. In general
(1) PICTURE
(2) SOUND
(3) VIDEO STATUS
(4) OTHERS
(5) LOW LIGHT
(6) HIGH LIGHT
(7) RF AFC CHK
(8) VCO (CW)
(9) I
3. Basic Op er a t io n s of t he SE RV ICE MENU
(1) How to enter the SERVICE MENU.
(2) SERVICE MENU screen selection
basic sett ing
!!!!
・・・・・・・・・・・・・・・・・・・
・・・・・・・・・・・・・・・・・・・・
・・・・・・・・・・・・・・・・・・・
・・・・・・・・・・・・・・・・・
・・・・・・・・・・・・・・・・・・
2
C BUS CTRL
・・・・・・・・・・・・・・・・
・・・・・・・・・・・・・・・・
(adjustments) items or verifications are performed in the SERVICE MENU.
!!!!
This set the setting values (adjustment values) of the VIDEO/CHROMA and DEFLECTION circuits.
This set the setting values (adjustment values) of the AUDIO circuit.
・・・・・・・・・・・・・
This is used when the THEATER and GAME MODE is adjusted.
This is used when the OTHERS MODE is adjusted.
This sets the setting values (adjustment values) of the WHITE BALANCE circuit.
This sets the setting values (adjustment values) of the WHITE BALANCE circuit.
This is used when the RF AFC CHK MODE is verified.
This is used when the IF VCO is adjusted.
・・・・・・・・・・・・・・・
This is used when ON/OFF of the I2C BUS CTRL is set.
[Do not adjust]
[Fixed ON]
Press the DISPL A Y k ey and V IDEO ST AT US k e y!of the remote control unit at the same time to enter the SERVICE MENU screen
shown in figure page la ter.
Press the UP / DOWN key of the MENU to select any of the following items.
(The lett ers of t h e sel ec t ed it ems are disp l ayed in y ell ow .)
PICTURE
●
VIDEO STATUS
●
LOW LIGHT
●
RF AFC CHK
●
VCO (CW)
●
SOUND
●
OTHERS
●
HIGH LIGHT
●
I2C BUS CTRL
●
①
(3) Enter the any setting ( adjustment ) mode
PICTURE, SOUND and OTHERS mode
"
1) If select any of PICTURE, SOUND or OTHERS items, and the LEFT / RIGHT key is pressed from SERVICE MENU ( MAIN
MENU ), the screen ② will be dis p layed as sh own in f i gure page later.
2) T hen the U P / DOWN k ey is pr ess ed, th e PICT UR E m ode sc r een ③ or th e SOUND m ode s cr een ④ or the OTHERS mode
screen ⑤ is displayed, and the PICTURE, SOUND or OTHERS setting can be performed.
VIDEO STATUS, LOW LIGHT, HIGH LIGHT, RF AF C
"
CHK,
VCO (CW) and I
!!!!
!!!!
2
C BUS CTRL mode
1) If select any of VIDEO STATUS / LOW LIGHT / HIGH LIGHT / RF AFC CHK / VCO (CW) / I2C BUS CTRL items, and the LEFT
/ RIGHT k ey is pr essed fr om SER V I CE MEN U ( MAIN M E NU ), the screens ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ w ill b e displ ayed as sh own in
figure page later.
2) Then the sett in gs or verificat i ons c an b e performed.
12
No.51866
A
V-T2122
)
)
y
①①①①
SERVICE MENU (MAIN MENU
SERVICE MENU
PICTURESOUND
VIDEO STATUSOT HERS
LOW LIGHTHIGH LIGHT
RF AFC CHK
VCO (CW
SELECT BY
OPERATE BY
⑧⑧⑧⑧
HIGH LIGHT MODE
HIGH LIGHT
***
******
******
⑨⑨⑨⑨
RF AFC CHK MODE
I2C BUS CTRL
EXIT BY
EXIT
***
******
EXIT BY
EXIT
[DO NOT ADJUST]
②②②②
SCREEN
SELECT BYEXIT BY
④④④④
SOUND MODE
1. NOISE
STATUS
SELECT BY
OPERATE BY
EXIT
***
***
******
****
****
********
EXIT BY
EXIT
③③③③
PICTURE MODE
1. PICTURE
*****
*********
**********
SELECT BY
OPERATE BY
⑤⑤⑤⑤
OTHERS MODE
1. OSD HP
SELECT BY
OPERATE BY
***
***
******
****
********
EXIT BY
EXIT
***
***
******
EXIT BY
EXIT
RF AFCON
FINE
SELECT BY
OPERATE BY
⑩⑩⑩⑩
VOC (CW) MODE
TOO HIGH
ABOVE REFERENCE
BELOW REFERE NCE
TOO LOW
SYNC : YES
1) UP / DOWN key of the MENU
Select the SETTING ITEM.
2) LEFT / RIGHT key of the MENU
Setting (adjust) the SETTING VALUE of the SETTING ITEM.
When the key is released the SETTING VALUE will be stored
(memorized).
3) EXIT key
Returns to the previous screen.
(PICTURE MODE ONLY)
[NOTE]
When the IN ITIAL SET TING VALUE is t urned to yell ow, you can adj ust the
values but you cannot adjust the values when it is turned to red.
(Because the signal conditions, etc. are not met.)
(5) Releasing SERVICE MENU
1) After returni ng to the SERVIC E MENU upon c ompletion of the s etting
(adjust m ent ) w or k, pr ess the EXIT key ag ain.
1. PICTURE
*****
*********
**********
SELECT BY
OPERATE BY
PICTURE MODE
SETTING
ITEM
1. NOISE
STATUS
SELECT BY
OPERATE BY
***
***
******
****
********
EXIT BY
EXIT
***
***
******
****
****
********
EXIT BY
EXIT
IT
IT
INITIAL
SETTING VALUE
↓ (Adjus t)
SETTING VALUE
The s ettings f or LOW LIGHT and H IGH LIGHT are descr ibed in t he W HITE
★
BALANCE page of ADJUSTMENT.
The setting for VCO (CW) are described in the IF VCO page of ADJUSTMENT.
★
The letter of the
Items are dis played in y ell ow .
1. Adjus tment of the SERVI CE MENU is made on the basis of the initial setting val ues; 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”.
PICTURE MODE
""""
The four settin g it ems in t he vid eo m o d e No.8 E XT P IC., N o.9 EXT B RI., No. 10 EXT C O L. a n d No.11 E XT T I NT are linked to the items in
#
the TV MO DE No.1 PICT U R E, No.2 BR IG H T , No.5 C OL. NTSC and No.6 T INT, res p ect ively. When the s etting items i n the TV mode ar e
adjust ed, th e val u es in the s et t in g items in t he video m ode are r evised au t om atically t o the s am e values in t he TV mode.(Th e i nitial setting
values given in ( ) are off-set values.)
When the f our items ( No.8, 9, 10 and 11) are adjusted in the video mode, th e s etti ng v alues in each item are revis ed in d ep end ently.
#
No. Setting itemVariable range
1. PICTURE
2. BRIGHT
3. COL. PALM
4. COL. PALN
5. COL. NTSC
6. TINT
7. TV DTL
8. EXT PIC.
9. EXT BRI.
10. EXT COL.
11. EXT TINT
12. EXT DTL
13. P/N KILL0 / 1
14. Y S CONT
15. TV Y-DL
16. EXT Y-DL
17. WPL SW0 / 1
18. Y GAMMA0 / 1
19. P/N G P0 / 1
20. COL. L SW0 / 1
21. CO L. LMT.
22. PN C. ATT
23. OFST. SW0 / 1
24. OFSET. B-Y
25. OFSET. R-Y
26. C-TOF SW0 / 1
27. TV T FO
28. TV T Q
29. EXT T FO
30. EXT T Q
0~127
0~127
0~127
0~127
0~127
0~127
0~63
25
±
25
±
25
±
25
±
0~63
0~31
0~7
0~7
0~3
0~3
0~15
0~15
0~3
0~3
0~3
0~3
Initial setting valueNo.Set ting itemVariable r angeInitial setting value
65
64
70
70
80
65
38
(0)
(+5)
(0)
+1
35
1
31
1
2
0
0
0
1
1
1
0
8
8
1
1
0
0
0
31.C-TRAP0 / 1
32.C-TR. FO
33.C-TRAP Q
34.FIX B/W0 / 1
35. APA P. FO
36.DC TRAN.
37. B. ST. SW
38. B. ST. PO.0 / 1
39.ABL GAIN
40. ABL PO
41.HALF T.
42.DRV G SW0 / 1
43.NT. COMB0 / 1
44. COIN DET
45.NOISE L
46.VCD MODE0 / 1
47. V AGC SP0 / 1
48.H POS. 50
49.H BLK. 50
50. V POS. 50
51. V SIZE50
52.V S CR50
53.V LIN. 50
54.H POS. 60
55.H BLK. 60
56. V POS. 60
57. V SIZE60
58.V S CR60
59.V LIN. 60
60.RF AGC
0~3
0~3
0~3
0~7
0~7
0~7
0~7
0~2
0~3
0~3
0~31
0~7
0~7
0~127
0~127
0~31
0~31
0~7
0~7
0~127
0~127
0~31
0~255
0
2
0
0
1
7
0
0
4
0
1
0
1
3
3
0
0
7
0
0
87
28
4
12
0
0
88
48
4
160
No.51866
15
A
V-T2122
SOUND MODE
"
No.Setting itemVariable rangeInitial setting value
1.NOISE0 / 11
2.IN LEVEL
3.FH MON.0 / 10
4.ST VCO
5.PILOT0 / 10
6.FILTER
7.LOW SEP.
8.HI SEP.
9.5FH MON .0 / 10
10.SAP VCO
11.IN GAIN0 / 10
12.FIL. OFF
VIDEO STATUS MODE
"
No.Setting (Adjustment) itemVariable range
1.TINT
0~63
0~63
0~63
0~63
0~63
0~63
10
±
20
±
Initial settin g val ue
CINEMAGAME
00
20
25
30
22
23
26
0
2.COLOR
3.PICTURE
4.BRIGHT
5.DETAIL
6.G DRIVE
7.B DRIVE
8.R CUT.
9.G CUT.
10.B CUT
20
±
20
±
20
±
15
±
-99~+50
-99~+50
10
±
10
±
10
±
-3-3
-10-10
00
0-5
-220
-540
00
00
00
16
No.51866
A
OTHERS MODE!
"
No.Setting (Adjustment) itemVariable rangeInitial setting value
!
!!
V-T2122
1.OSD HP
2.OSD VP
3.H CK SW0 / 10
LOW LIGHT MODE!
"
Setting (Adjustment) itemVariable rangeInitial setting value
R CUTOFF0~25520
G CUTOFF0~25520
B CUTOFF0~25520
HIGH LIGHT MODE!
"
Setting (Adjustment) itemVariable rangeInitial setting value
G DRIVE
B DRIVE
!
!!
!
!!
0~31
0~15
0~255
0~255
23
12
128
128
RF AFC CHECK MODE!
"
Setting (Adjustment) itemVariable rangeInitial setting value
RF AFCON / OFF ON
FINE
2
C BUS CTRL MODE!
I
"
Setting (Adjustment) itemVariable rangeInitial setting value
I2C BUSON / OFF
!
!!
(DO NOT ADJUST)
-77~+77
!
!!
± **
[Fixed ON]
No.51866
17
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