SERVICE MANUAL
COPYRIGHT © 2005 Victor Company of Japan, Limited
No.52056B
2005/7
COLOUR TELEVISION
52056B
2005
7
AV-25BT6ENB, AV-25BT6ENS
DIFFERENCE LIST
PRINTED WIRING BOARD PARTS LIST
MAIN P.W. BOARD ASS'Y
Supplementary
The following items for the AV-25BT6ENB and AV-25BT6ENS were changed partly.
Therefore, this service manual describes only the items which differ from those of the AV-25BT6ENB and
AV-25BT6ENS service manual.
For details other than those described in this manual, please refer to the AV-25BT6ENB and AV-25BT6ENS
service manual (No.52056, Jul. 2002).
Ref. No.
Part No.
PART NAME
DESCRIPTION
BEFORE
AFTER
TU201
VE-30009637
VE-30033888
TUNER
Non compatible
1-2 (No.52056B)
SECTION 1
PRECAUTION
Please refer to "AV-25BT6ENB and AV-25BT6ENS (No.52056)" about this section.
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
Please refer to "AV-25BT6ENB and AV-25BT6ENS (No.52056)" about this section.
SECTION 3
DISASSEMBLY
Please refer to "AV-25BT6ENB and AV-25BT6ENS (No.52056)" about this section.
SECTION 4
ADJUSTMENT
4.1
SETTING VALUES OF OPTION 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 SETTING 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
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
F1H
00001001
00001011
F1L
10010010
01010010
F2H
00011011
00011101
F2L
10000010
00000010
BS1
00000011
00000001
BS2
00000110
00000010
BS3
10000101
00001000
CB
10001110
10001110
(No.52056B)1-3
4.1.2 HOW TO ENTER THE SERVICE MODE
(1) Press the [INFORMATION] key and [MUTING] key
simultaneously, and the SERVICE MENU screen will be
displayed. (Fig.1)
Fig.1
4.1.3 HOW TO SELECT THE SETTING ITEM
While the SERVICE MENU screen is displayed, press the [ ]/[ ]
key and select the setting item.(Fig.2)
Fig.2
4.1.4 HOW TO CHANGE THE SETTING VLUE
(1) After selecting the correct 8-bit option line, by using the
dedicated number on the number key (0,1,2,3,4,5,6,7) you
can change that bit from 0 to 1 or vice versa.
Example:
Initially an option with values: "00000000"
Press "0" button: "00000001"
Press "0" button again: "00000000"
4.1.5 HOW TO STORE OF SETTING VALUE
(1) The setting value will be stored auto matically when
release the REMOTE CONTROL UNIT keys.
SECTION 5
TROUBLESHOOTING
Please refer to "AV-25BT6ENB and AV-25BT6ENS (No.52056)" about this section.
JVCAK30/37 B23
OSD 080
IF1 004
IF2 069
IF3 004
IF4 031
AGC 042
VLIN 031
RGBH 007
VSOF -20
VPOF -05
> 0 3
AVL *
SERVICE MENU
JVCAK30/37 B23
NIP 018
SCP2 018
SEC2 017
F1H 00001101
F1L 00010010
F2H 00010010
F2L 00010010
BS1 00010010
BS2 00010010
BS3 00010010
> 0 3 76543210
00000000
Bit 7
Bit 6
Bit 4
Bit 2
Bit 0
Bit 5
Bit 3
Bit 1
MUTING key
REMOTE CONTROL UNIT key NAME
INFORMATION key
FUNCTION
[ ]/[ ] key
MENU key
FUNCTION
[ ]/[ ] key
(No.52056B)
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
No.52056
AV-25BT6ENS
AV-25BT6ENB
1
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
Jul. 2002
AV25BT6ENS
AV25BT6ENB
CONTENTS
!
SPECIFICATIONS
2
! SAFETY PRECAUTIONS
4
! FEATURES
5
!
MAIN DIFFERENCE LIST
5
! SPECIFIC SERVICE INSTRUCTIONS
6
!
SERVICE ADJUSTMENTS
10
!
PARTS LIST
21
OPERATING INSTRUCTIONS
STANDARD CIRCUIT DIAGRAM
2-1
SERVICE MANUAL
COLOUR TELEVISION