JVC AV-21TS2EK User manual

JVC AV-21TS2EK
General Information
Also Covers
AV-21TS2EN
JE Chassis
SAFETY P ECAUTIONS - See Matrix
FEATU ES
1. The TELETEXT SYSTEM has a built-in
FASTEXT, TOP & WST syste .
2. By eans of AUTO SET, the TV stations can
be selected auto atically and the TV
channels can also be rearranged auto ati-
cally.
3. Built-in ECO (ECONOMY, ECOLOGY)
MODE
In accordance with the brightness in a roo ,
the brightness and/or contrast of the picture
can be adjusted auto atically to ake the
opti u picture which is easy on the eye.
4. The audio circuit has a built-in A2/NICAM
stereo syste .
5. The EXT-2 TERMINAL (21-pin Euro
connector) can select the output circuit as
shown in Fig.
Setting value [AV-21TS2EN]
EN
21"
Setting value [AV-21TS2EK]
UK
21"
USE SETTING VALUES - See Matrix
SE VICE MENU SETING ITEMS
Setting item:
1. IF
Setting value:
1. VCO
2. DELAY POINT
Setting item:
2. V/C
Setting value:
1. CUT OFF
2. DRIVE
3. BRIGHT
4. CONT.
5. COLOUR(PAL./SECAM/NTSC)
6. TINT(NTSC)
7. BLACK OFFSET(SECAM)
8. SHARP (Do not adjust)
9. TEXT(RGB) CONT (Do not adjust)
10. DC TRAN RATE (Do not adjust)
11. BLACK STRETCH (Do not adjust)
12. B.S.OFF (Do not adjust)
Setting item:
3. AUDIO (Do not adjust)
Setting value:
1. CONC LIMIT
2. A2 ID THR
Setting item:
4. DEF.
Setting value:
2. V-SHIFT
3. V-SIZE
4. H-CENT
7. V-S. CR (Fixed)
10. ABL POINT (Do not adjust)
11. ABL GAIN (Do not adjust)
Setting item:
5. VSM PRESET (COOL/NORMAL/WARM)
Setting value:
1. BRIGHT
2. CONT.
3. COLOUR
4. SHARP
5. TINT
6. R DRIVE
7. B DRIVE
8. BASS
9. TREBLE
Setting item:
6. VPS (Do not adjust)
Setting value:
VPS
Setting item:
7. AUTO PROGRAM (Do not adjust)
Setting value:
ON/OFF
BEFO E STA TING SE VICE ADJUST-
MENTS - See Matrix
BASIC OPE ATION OF SE VICE MENU -
See Matrix
Matrix
Item See Model Vol
Safety Precautions .......................................................... JVC AV-28WF 1 EKS 8
Other Adjustments .................................................................JVC AV-29TS2 EK 6
[AV-21TS2EK]
1 CM12774-A01-E REAR COVER
5 CQ40319-001-E INST BOOK
10 AEEMP003-185 POWER CORD
11 CM46618-A01-E POWER CORD CLAMP
12 CM22875-014-E RATING LABEL
13 CM23158-002-E RATING LABEL For GBR/ESP
C1521 QFZ0125-952N MPP CAP. 9500pF 2000V ±2.5%
C1524 QFZ0119-254S MPP CAP. 0.25µF 200V ±3%
C1531 QFZ0119-154S MPP CAP. 0.15µF 200V ±3%
C1902 QCZ9034-472A C CAP. 4700pFAC400V P
C1903 QCZ9034-472A C CAP. 4700pFAC400V P
C1904 QCZ9034-472A C CAP. 4700pFAC400V P
C1992 QCZ9041-471A C CAP. 470pFAC400V K
C1993 QCZ9041-332A C CAP. 3300pFAC400V M
C8901 QFZ9040-474N MF CAP. 0.47µFAC275V M
C8904 QFZ9040-473N MM CAP. 0.047µFAC275V M
CP1952 ICP-N50-Y I.C. PROTECT
CP1953 ICP-N50-Y I.C. PROTECT
D1901 D3SBA60 DIODE BRIDGE
F8901 QMF51D2-3R15J1 FUSE 3.15A
FR1551 QRZ0054-4R7M F R 4.7Ω 1/4W J
FR1552 QRH017J-1R0M F R 1Ω 1W J
FR1553 QRH017J-1R0M F R 1Ω 1W J
FR1954 QRH017J-1R2M F R 1.2Ω 1W J
FR1968 QRZ0054-331M F R 330Ω 1/4W J
IC1902 TLP721F (D4-GR) I.C. (PH.COUPLER)
L01 CELD018-005J7 DEGAUSSING COIL
LF8901 AEELF002-001 LINE FILTER
Q1521 BU2506DX POWER TRANSISTOR H OUT
R0403 QRZ0054-470M F R 47Ω 1/4W J
R1585 QRV141F-2941AY MF R 2.94kΩ 1/4W F
R1586 QRV141F-1582AY MF R 15.8kΩ 1/4W F
R1991 QRZ0057-825 C R 8.2MΩ 1W J
S8901 QSP4K21-C01 PUSH SWITCH MAIN POWER
SK3001 CE42535-001J1 C.R.T.SOCKET
T1551 QQH0018-001 FLYBACK TRANSF.
T1901 CETS085-001J4 SWITCH.TRANSF.
TH8901 CEKP010-001J2 W.P. THERMISTOR
V01 A51EAL155X01 PICTURE TUBE (ITC)
[AV-21TS2EN Only]
5 CQ40317-001-E INST BOOK For GBR/GER/FRA/NED/ITA/ESP
6 CQ40318-001-E INST BOOK For FIN/NOR/DEN/SWE/POR
10 AEEMP001-185 POWER CORD
12 CM23156-A04-E RATING LABEL For GBR/GER/ITA
ecommended Safety Parts
Item Part No. Description
4. The audio circuit has a built-in NICAM stereo
syste .
5. The EXT-2 TERMINAL (21-pin Euro connector)
can select the output circuit as shown in Fig.
MAIN DIFFE ENCE PA TS LIST
(See table opposite).
SPECIFIC SE VICE INST UCTIONS
DISASSEMBLY P OCEDU E
EMOVING THE EA COVE
1. Unplug the power cord.
2. Re ove the 6 screws arked X as shown in
the figure.
3. Withdraw the rear cover toward you.
EMOVING THE CHASSIS
• After re oving the rear cover.
1. Slightly raise the both sides of the chassis by
hand and re ove the two claws under the both
sides of the chassis fro the front cabinet.
2. Withdraw the chassis backward. (If necessary,
take off the wire cla p, connectors etc.)
EMOVING THE AV TE MI. BOA D
• After re oving the rear cover.
1. While raising the claw arked A, re ove the
top of the AV TERMI. board slightly in the
direction of arrow B as shown in Fig. 1.
2. Pressing the claws arked C, re ove the AV
TERMI. Board in the arrow direction arked D
as shown in Fig. 2 (Opposite).
EMOVING THE CONT OL BASE
1. While pushing down the claws arked E
re ove the CONTROL BASE in the arrow
direction F as shown in Fig. 3. (If necessary,
take off the wire cla p, connectors etc.)
EMOVING THE SPEAKE
• After re oving the rear cover.
1. Re ove the two screws arked Y as shown in
figure.
2. Follow the sa e steps when re oving the
other hand speaker.
CHECKING THE PW BOA D
1. To check the back side of the PW Board.
1) Pull out the chassis. (Refer to REMOVING THE
CHASSIS).
2) Erect the chassis vertically so that you can
easily check the back side of the PW Board.
[CAUTION]
• When erecting the chassis, be careful so that
there will be no contacting with other PW
Board.
• Before turning on power, ake sure that the
wire connector is properly connected.
WI E CLAMPING AND CABLE TIES
1. Be sure to cla p the wire.
2. Never re ove the cable tie used for tying the
wires together. Should it be inadvertently
re oved, be sure to tie the wires with a new
cable tie.
SETTING VALUES OF SYSTEM CONSTANT
SET
Setting item
1. COUNTRY
Setting content
Setting item
2. INCH
FEATU ES
1.The TELETEXT SYSTEM has a built-in
FASTEXT & WST syste .
2. By eans of AUTO SET, the TV stations can
be selected auto atically and the TV channels
can also be rearranged auto atically.
3. Built-in ECO (ECONOMY, ECOLOGY) MODE
In accordance with the brightness in a roo ,
the brightness and I or contrast of the picture
can be adjusted auto atically to ake the
opti u picture which is easy on the eye.

JVC AV-21TS2EK
For POWE SUPPLY CHECK, FOCUS, IF
CI CUIT, VSM P ESET ADJUSTMENTS -
See Matrix
VIDEO/CH OMA CI CUIT ADJUSTMENT
The setting (adjust ent) using the REMOTE
CONTROL UNIT is ade on the basis of the
initial setting values. The setting values which
adjust the screen to the opti u condition can
be different fro the initial setting values.
Ite s in ( ) are auto atically set to table.
(See table opposite).
For adjustment of WHITE BALANCE, SUB
B IGHT, SUB CONT., SUB COLOU I, SUB
TINT - See Matrix
Adjustment of SUB COLOU II
Measuring instrument:
Signal Generator
Oscilloscope
Re ote Control Unit
Test point:
TP-47B
TP-E
[CRT SOCKET PWB]
Adjustment part:
5.COLOUR
(PAL~NTSC)
Description:
[Method of adjust ent using easuring instru-
ent]
Adjustment part:
PAL COLOUR
Description:
(PAL COLOUR)
1. Receive a PAL full field colour bar signal(75%
white).
2. Select 2.V/C fro the SERVICE MENU.
3. Select 7.COLOUR with the FUNCTION UP/
DOWN key.
4. Set the initial setting value for PAL COLOUR
with the FUNCTION - or + key.
5. Connect the oscilloscope between TP-47B and
TP-E
6. Adjust PAL COLOUR and bring the value of (A)
in the illustration to +1V (voltage difference
between White and Blue).
7. Press the MENU key and e orize the setting
value.
Adjustment part:
SECAM COLOUR (AV-21TS2EN)
Description:
(SECAM COLOUR)
1. Receive a SECAM full field colour bar signal
(75% white).
2. Set the initial setting value of SECAM COL-
OUR with the FUNCTION -/+ key.
3. Adjust SECAM COLOUR and bring the value of
(A) of the illustration to 0 V (Voltage difference
between White and Blue).
4. Press the MENU key and e orize the setting
value.
Adjustment part:
NTSC 3.58 COLOUR
Description:
(NTSC 3.58 COLOUR)
1. Input a NTSC 3.58MHz COMPOSITE VIDEO
signal (full field colour bar with 75% white) fro
the EXT ter inal.
2. Set the initial setting value of NTSC 3.58
COLOUR with the FUNCTION -/+ key.
3. Adjust NTSC 3.58 COLOUR and bring the
value of (A) of the illustration to +5V (Voltage
difference between White and Blue).
4. Press the MENU key and e orize the setting
value.
(NTSC 4.43 COLOUR)
1. When NTSC 3.58 is set, NTSC 4.43 will be
auto atically set at the respective values
For Adjustment of BLACK OFFSET (SECAM),
DEFLECTION CI CUIT, V-SHIFT, V-SIZE,
H.CENT E, V-S.C and AUDIO CI CUIT - See
Matrix
The End
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