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SERVICE MANUAL
COPYRIGHT © 2005 Victor Company of Japan, Limited
No.52139D
2005/10
COLOUR TELEVISION
52139D
2005
10
AV-28KH1BUF,AV-28KH1BUF/A,
AV-28KH1SUF, AV-28KH1SUF/A,
AV-28KH15UF, AV-28KH15UF/A
DIFFERENCE LIST
PRINTED WIRING BOARD PARTS LIST
MAIN P.W. BOARD ASS'Y
FEAUTER BOX P.W. BOARD ASS'Y
NOTE: Be sure to change IC752, when the TUNER is changed.
Supplementary
The following items for the AV-28KH1BUF, AV-28KH1BUF/A, AV-28KH1SUF, AV-28KH1SUF/A, AV-28KH15UF
and AV-28KH15UF/A were changed partly.
Therefore, this service manual describes only the items which differ from those of the AV-28KH1BUF, AV-
28KH1BUF/A, AV-28KH1SUF, AV-28KH1SUF/A, AV-28KH15UF and AV-28KH15UF/A service manual.
For details other than those described in this manual, please refer to the AV-28KH1BUF, AV-28KH1BUF/A,
AV-28KH1SUF, AV-28KH1SUF/A, AV-28KH15UF and AV-28KH15UF/A service manual (No.52139, 2003/9)
(No.52139B, 2003/10) (No,52139C, 2004/8).
Ref. No.
Part No.
PART NAME
DESCRIPTION
BEFORE
AFTER
TU200
VE-30009637
VE-30033888
TUNER
Non compatible
Ref. No.
Part No.
PART NAME
DESCRIPTION
BEFORE
AFTER
IC722
VE-30013571
VE-20190399
IC
Compatible


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1-2 (No.52139D)
SECTION 1
PRECAUTION
Please refer to "AV-28KH1BUF and AV-28KH1SU (No.52139)" about this section.
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
Please refer to "AV-28KH1BUF and AV-28KH1SU (No.52139)" about this section.
SECTION 3
DISASSEMBLY
Please refer to "AV-28KH1BUF and AV-28KH1SU (No.52139)" about this section.
SECTION 4
ADJUSTMENT
4.1
SETTING VALUES OF VIDEO ITEMS
When a previous TUNER (VE-30009637) is replaced by a new
TUNER (VE-30033888), it should be adjusted to the setting
values in the table below. If the TUNER of the model with the new
TUNER (VE-30033888) is replaced, there is no need for
adjustment.
4.1.1 SETTING VALUE OF VIDEO ITEM
Make sure not to change the values that are not in the table
below. If those values are changed, the unit will not operate
normally.
Item
Setting value
BEFORE
AFTER
T_T
THO
SAM


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(No.52139D)1-3
4.1.2 HOW TO ENTER THE SERVICE MODE
(1) Press the INFORMATION key and MUTING key
simultaneously, and the SERVICE MENU 1 screen will be
displayed. (Fig.1)
Fig.1
4.1.3 HOW TO CHANGE THE SETTING VALUE
(1) While the SERVICE MENU screen is displayed, press the
GREEN key to select the "VIDEO".
(2) Press the FUNCTION [ ]/[ ] key to select the "T_T".
(3) Press the FUNCTION [ ]/[ ] key to set the value to
"SAM".
(4) Press the [INFORMATION] key to memorize the set value.
Fig.2
SECTION 5
TROUBLESHOOTING
Please refer to "AV-28KH1BUF and AV-28KH1SU (No.52139)" about this section.
PRODUCTION
i >STORE
MENU>EXIT
H/V
(FULL MODE)
V-SHIFT
V-SIZE
H-SHIFT
H-SIZE
S-COR
LINRT
ANGLE
BOW
TRAPEZ
PARAB
U.COR
L.COR
TILT
TRPZD
NTSCHS
TXTV
HS04_3
JVC52 ****
**.**.****
VIDEO
WdR
WdG
WdB
CuR
CuG
CuB
G2Cu
YDP
AGC
APSW
APS
T_T
T_P
YDS
YDN
EXT3
DVD
C.M
4:3
SERVICE
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SERVICE MENU 1
PRODUCTION
i >STORE
MENU>EXIT
H/V
(FULL MODE)
V-SHIFT
V-SIZE
H-SHIFT
H-SIZE
S-COR
LINRT
ANGLE
BOW
TRAPEZ
PARAB
U.COR
L.COR
TILT
TRPZD
NTSCHS
TXTV
HS04_3
JVC52 ****
**.**.****
VIDEO
WdR
WdG
WdB
CuR
CuG
CuB
G2Cu
YDP
AGC
APSW
APS
T_T
T_P
YDS
YDN
EXT3
DVD
C.M
4:3
SERVICE
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SERVICE MENU 1
THO
SAM
REMOTE CONTROL UNIT key NAME
MUTE key
colour key
RED
GREEN
YELLOW
BLUE
INFORMATION key
UP / DOWN
[ ]/[ ] key
TELETEXT key
LEFT / RIGHT
[ ]/[ ] key
MENU key


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(No.52139D)
AV & MULTIMEDIA COMPANY VIDEO DISPLAY CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan
Victor Company of Japan, Limited
VPT
Printed in Japan


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