JVC AV-21TS2EK
General Information
Also Covers
AV-21TS2EN
JE Chassis
SAFETY PRECAUTIONS - See Matrix
FEATURES
1. The TELETEXT SYSTEM has a built-in
FASTEXT, TOP & WST system.
2. By means of AUTO SET, the TV stations can
be selected automatically and the TV
channels can also be rearranged automati-
cally.
3. Built-in ECO (ECONOMY, ECOLOGY)
MODE
In accordance with the brightness in a room,
the brightness and/or contrast of the picture
can be adjusted automatically to make the
optimum picture which is easy on the eye.
4. The audio circuit has a built-in A2/NICAM
stereo system.
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"
USER SETTING VALUES - See Matrix
SERVICE 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
BEFORE STARTING SERVICE ADJUST-
MENTS - See Matrix
BASIC OPERATION OF SERVICE MENU -
See Matrix
Matrix
Item
See Model
Vol
Safety Precautions .......................................................... JVC AV-28WFR1 EKS
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.
0.25
µ
F 200V
±
3%
C1531
QFZ0119-154S
MPP CAP.
0.15
µ
F 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.
0.47
µ
FAC275V
M
C8904
QFZ9040-473N
MM CAP.
0.047
µ
FAC275V
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
4.7
Ω
1/4W
J
FR1552
QRH017J-1R0M
F R
1
Ω
1W
J
FR1553
QRH017J-1R0M
F R
1
Ω
1W
J
FR1954
QRH017J-1R2M
F R
1.2
Ω
1W
J
FR1968
QRZ0054-331M
F R
330
Ω
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
47
Ω
1/4W
J
R1585
QRV141F-2941AY
MF R
2.94k
Ω
1/4W
F
R1586
QRV141F-1582AY
MF R
15.8k
Ω
1/4W
F
R1991
QRZ0057-825
C R
8.2M
Ω
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
Recommended Safety Parts
Item
Part No.
Description
4. The audio circuit has a built-in NICAM stereo
system.
5. The EXT-2 TERMINAL (21-pin Euro connector)
can select the output circuit as shown in Fig.
MAIN DIFFERENCE PARTS LIST
(See table opposite).
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. Unplug the power cord.
2. Remove the 6 screws marked X as shown in
the figure.
3. Withdraw the rear cover toward you.
REMOVING THE CHASSIS
• After removing the rear cover.
1. Slightly raise the both sides of the chassis by
hand and remove the two claws under the both
sides of the chassis from the front cabinet.
2. Withdraw the chassis backward. (If necessary,
take off the wire clamp, connectors etc.)
REMOVING THE AV TERMI. BOARD
• After removing the rear cover.
1. While raising the claw marked A, remove the
top of the AV TERMI. board slightly in the
direction of arrow B as shown in Fig. 1.
2. Pressing the claws marked C, remove the AV
TERMI. Board in the arrow direction marked D
as shown in Fig. 2 (Opposite).
REMOVING THE CONTROL BASE
1. While pushing down the claws marked E
remove the CONTROL BASE in the arrow
direction F as shown in Fig. 3. (If necessary,
take off the wire clamp, connectors etc.)
REMOVING THE SPEAKER
• After removing the rear cover.
1. Remove the two screws marked Y as shown in
figure.
2. Follow the same steps when removing the
other hand speaker.
CHECKING THE PW BOARD
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, make sure that the
wire connector is properly connected.
WIRE CLAMPING AND CABLE TIES
1. Be sure to 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.
SETTING VALUES OF SYSTEM CONSTANT
SET
Setting item
1. COUNTRY
Setting content
Setting item
2. INCH
FEATURES
1.The TELETEXT SYSTEM has a built-in
FASTEXT & WST system.
2. By means of AUTO SET, the TV stations can
be selected automatically and the TV channels
can also be rearranged automatically.
3. Built-in ECO (ECONOMY, ECOLOGY) MODE
In accordance with the brightness in a room,
the brightness and
Ior contrast of the picture
can be adjusted automatically to make the
optimum picture which is easy on the eye.
