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AV-21F7
No. 56025
1
BASIC CHASSIS
CG
SERVICE MANUAL
COLOUR TELEVISION
AV-21F7(VT)
AV-21F7
COPYRIGHT
© 2000 VICTOR COMPANY OF JAPAN, LTD.
No. 56025
Jul. 2000
HOW TO IDENTIFY MODEL
While referring to the illustration given below, identify model name on the rating label affixed to the rear cover.
This service manual mainly consists of the following items:
· The items which differ from those for the AV-21FT service manual.
· The initial value for each setting item.
For details other than those described in this manual, please refer to the following service manual.
Reference Service Manual: AV-21FT Service Manual (No. 56003, May 2000)
Note: The page in parentheses shows the one for the AV-21FT service manual (No. 56003, May 2000).
MODEL NO.
XXXXX XXXXXXX
XXXXXXX XXXXX
XXXXXX
XXXXX
XXX XXXXX XXXXX
XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXX
SERIAL No.
XXXXXX­XXX
XXXX XX XXXX
XXX XX XXXX
Identify model name
Basic model name
AV-21F7
AV-21F7-VT


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AV-21F7
No. 56025
2
AV-21FT
AV-21F7(VT)
!
!
!
!
!
REF. NO.
PART NAME
DESCRIPTION
PART No.
PART No.
s EXPLODED VIEW PARTS LIST (Page 28)
!
V01
A51JSY33X/C/
PICTURE TUBE
A51JSW51X07
PICTURE TUBE
ITC type (with DEF YOKE)
!
L01
QQW0077-001
CELD029-004J6
DEGAUSSING COIL
DY01
QQD0041-001
DEF YOKE
!
T1522
QQH0069-001
QQH0070-001
H.V. TRANSF.
1
LC10394-026A-H
LC10394-024A-HK
FRONT CABINET
!
15
LC20377-010B-H
GG20001-009A-H
RATING LABEL
18
A75034-B
PC MAGNET
19
CE40764-00A
WEDGE ASSY
s PRINTED WIRING BOARD PARTS LIST (Page 30-)
--
SCG-1233A-H2
SCG-1239A-CK
MAIN PWB ASS'Y
R1103
NRSA02J-100X
CH MG R
10
1/10W J
NRSA02J-820X
CH MG R
82
1/10W J
R1112
NRSA02J-100X
CH MG R
10
1/10W J
NRSA02J-220X
CH MG R
22
1/10W J
R1161
NRSA02J-102X
CH MG R
1k
1/10W J
R1162
NRSA02J-122X
CH MG R
1.2k
1/10W J
R1163
NRSA02J-222X
CH MG R
2.2k
1/10W J
R1164
NRSA02J-221X
CH MG R
220
1/10W J
R1165
NRSA02J-220X
CH MG R
22
1/10W J
R1166
NRSA02J-821X
CH MG R
820
1/10W J
R1345
NRSA02J-151X
CH MG R
150
1/10W J
R1346
NRSA02J-151X
CH MG R
150
1/10W J
R1348
NRSA02J-472X
CH MG R
4.7k
1/10W J
R1349
NRSA02J-472X
CH MG R
4.7k
1/10W J
R1351
NRSA02J-151X
CH MG R
150
1/10W J
R1352
NRSA02J-151X
CH MG R
150
1/10W J
R1369
QRE122J-394
C R
390k
1/2W
J
R1528
QRE122J-471
C R
470
1/2W
J
R1531
NRSA02J-472X
CH MG R
4.7k
1/10W J
NRSA02J-103X
CH MG R
10k
1/10W J
R1554
QRE121J-681Y
C R
680
1/2W
J
QRE122J-821
C R
820
1/2W
J
R1904
QRL03EJ-151X
OM R
150
3W
J
C1161
NCB21HK-103X
CH C CAP.
0.01
µF 50V
K
C1164
NCB21HK-103X
CH C CAP.
0.01
µF 50V
K
PARTS DIFFERENCE TABLE
The different parts between AV-21FT and AV-21F7(VT) are described below:


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AV-21F7
No. 56025
3
AV-21FT
AV-21F7(VT)
!
!
!
!
!
REF. NO.
PART NAME
DESCRIPTION
PART No.
PART No.
s PRINTED WIRING BOARD PARTS LIST-Continued (Page 30-)
C1165
NCB21HK-103X
CH C CAP.
0.01
µF 50V
K
C1166
NCB21HK-104X
CH C CAP.
0.1
µF 50V
K
C1351
QCZ0121-102
C CAP.
1000pF 3kV
Z
C1352
QFZ0097-103
MM CP.
0.01
µF 1250V K
C1354
NCS21HJ-271X
CH C CAP.
270pF
50V
J
NDC21HJ-221X
CH C CAP.
220pF
50V
J
C1355
NCS21HJ-221X
CH C CAP.
220pF
50V
J
NDC21HJ-271X
CH C CAP.
270pF
50V
J
C1356
NCS21HJ-331X
CH C CAP.
330pF
50V
J
NDC21HJ-331X
CH C CAP.
330pF
50V
J
C1525
QFZ0200-972
MPP CAP.
9700pF 1.5kVH
±3%
QFZ0200-902
MPP CAP.
9000pF 1.5kVH
±3%
C1527
QFZ0199-274
MPP CAP.
0.27
µF 250V
J
QFZ0199-304
MPP CAP.
0.3
µF 250V
J
C1530
QCB32HK-561
C CAP.
560pF 500V K
C1582
QFZ0199-274
MPP CAP.
0.27
µF 250V J
QFZ0199-254
MPP CAP.
0.25
µF 250V J
C1909
QEZ0476-127
E CAP.
120
µF 400V
M
QEZ0199-127
E CAP.
120
µF 400V
M
C1949
NCS21HJ-471X
CH C CAP.
470pF
50V
J
NDC21HJ-471X
CH C CAP.
470pF
50V
J
CF1161
SFSH4.5MCB
CERAMIC FILTER
L1522
CE41210-00B
LIN COIL
L1551
QQLZ018-460
QQLZ018-860
HEATER CHOKE
!
T1522
QQH0069-001
QQH0070-001
H.V. TRANSF.
Q1161
2SC2412K/QR/-X
CHIP TRANSISTOR
IC1701
MN1873287JA
MN1873287JD
IC (MICROCOMPUTER)
IC1702
AT24C08-21FTR
AT24C08-21F7VT
IC (MEMORY)
(Service)
J1006
QNN0281-002
PIN JACK
!
SK1351
CE42446-001
CE42554-001
CRT SOCKET
TU1001
QAU0185-001
QAU0186-001
AMP TUNER
s PACKING PARTS LIST (Page 34)
1
GG10056-005A-H
GG10007-009A
PACKING CASE
2
CM47385-00B-H
POS/SERIAL LABEL
CM43936-001
POS/SERIAL LABEL
(X2)
5
RM-C364-1H
RM-C367-1H
REMOCON UNIT
!
7
LCT0748-001A-H
LCT0767-001A
INST BOOK
(to be continued)


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AV-21F7
No. 56025
4
SPECIFICATIONS (Page 2)
Item
Content
Dimensions (W
× H × D)
619mm
× 458mm × 486.5mm
Mass
22kg
TV RF System
B / G, I, D / K, K1, M
Colour System
TV Mode
PAL / SECAM / NTSC3.58 / NTSC4.43
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
q Cable TVs of Mid (X-Z, S1-S10)
Super (S11-S20) & Hyper (S21-S41) bands receivable
Intermediate
VIF Carrier
38.0MHz
Frequency
31.5MHz (6.5MHz)
SIF Carrier
32.0MHz (6.0MHz)
32.5MHz (5.5MHz)
33.5MHz (4.5MHz)
Colour Sub Carrier Frequency
PAL (4.43MHz)
SECAM (4.40625MHz / 4.25MHz)
NTSC (3.58MHz / 4.43MHz)
Aerial Input Terminal
75
Unbalanced
Power Input
Rating: AC120 ~ 240V, 50/60Hz
Operating: AC90 ~ 260V, 50/60Hz
Power Consumption
105W (Max.) / 68W (Avg.)
Picture Tube
Visible size : 51cm measured diagonally
High Voltage
26.5kV
± 1.5kV (at zero beam current)
Speaker
6cm
× 12cm Oval type × 2
Audio Output
5W (Monaural)
Input
Video
1Vp-p, 75
Audio
500mVrms (
-4dBs), High impedance
Output
Video
1Vp-p, 75
Audio
500mVrms (­4dBs), Low impedance
Headphone Jack
Stereo mini jack (3.5ø)
Remote Control Unit
RM-C367-1H (Battery size : AA/R06/UM-3
× 2)
Design & specifications are subject to change without notice.
AV-21FT
AV-21F7(VT)
!
!
!
!
!
REF. NO.
PART NAME
DESCRIPTION
PART No.
PART No.
s PACKING PARTS LIST - Continued (Page 34)
!
8
LCT0749-001A-H
DIGEST MANUAL
--
CEAB005-00AJ1
MATCHING BOX
--
CM36447-00A-H
ROD ANTENNA


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AV-21F7
No. 56025
5
Setting item
Setting value
Setting item
Setting value
SUB POWER
ON
PICTURE MODE (VSM)
BRIGHT
CHANNEL POSITION
1 POSITION
OFF TIMER
OFF
LANGUAGE
VIETNAMESE
AUTO SHUTOFF
OFF
VOLUME
Appropriate sound volume
ECO SENSOR
OFF
TV/VIDEO
TV
BLUE BACK
OFF
ON SCREEN DISPLAY
POSITION NUMBER DISPLAY
ON TIMER
PR1
0:00
COLOUR SYSTEM
AUTO PAL
CHILD LOCK
OFF
SOUND SYSTEM
B / G
PICTURE BOOSTER
OFF
SETTING OF SYSTEM CONSTANT SET (Page 7)
Table 1
USER SETTING VALUES (Page 7)
Table 2
Refer to OPERATING
INSTRUCTION
CHANNEL PRESET
SPECIFIC SERVICE INSTRUCTIONS
Setting item
Setting contents
Setting value
COLOUR
MULTI
BILINGUAL
NO
TUNER
MU
ECO SENSOR
YES
LANGUAGE
E/V
B/B SOUND
OFF
LOCK
180
COLOUR AUTO
NO
QSS
MINT
ALC
NO
TEXT RATE
20
AMP TUNER
YES
VNR
NO
MULTI.
TRIPLE
PAL
YES
NO
MU
MA
YES
NO
E/V
E
ON
OFF
YES
10
20
...
230
250
240
YES
NO
MINT
MQSS
YES
NO
10
20
40
80
YES
NO
YES
NO