JVC AV-28RT4BU/A, AV-28RT4BU/B, AV-28RT4BU/C, AV-28RT4SU/A, AV-28RT4SU/B Service Manual
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SERVICE MANUAL
COLOUR TELEVISION
YA079B20053
AV-28RT4BU/A, AV-28RT4BU/B,
AV-28RT4BU
AV-28RT4SU
/C, AV-28RT4SU/A,
/B, AV-28RT4SU/C
Supplementary
The following items for the AV-28RT4BU/A, AV-28RT4BU/B, AV-28RT4BU/C, AV-28RT4SU/A, AV-28RT4SU/B
and AV-28RT4SU/C were changed partly.
Therefore, this service manual describes only the items which differ from those of the AV-28RT4BU/A, AV28RT4BU/B, AV-28RT4BU/C, AV-28RT4SU/A, AV-28RT4SU/B and AV-28RT4SU/C service manual.
For details other than those described in this manual, please refer to the AV-28RT4BU/A, AV-28RT4BU/B,
AV-28RT4BU/C, AV-28RT4SU/A, AV-28RT4SU/B and AV-28RT4SU/C service manual (No.YA079, 2005/2).
DIFFERENCE LIST
PRINTED WIRING BOARD PARTS LIST
MAIN P.W. BOARD ASS'Y
Ref. No.
TU200 VE-30009637 VE-30033888 TUNER Non compatible
BEFORE AFTER
Part No.
COPYRIGHT © 2005 Victor Company of Japan, Limited
PART NAME DESCRIPTION
No.YA079B
2005/3
SECTION 1
PRECAUTION
Please refer to "AV-28RT4BU/A, AV-28RT4BU/B, AV-28RT4BU/C, AV-28RT4SU/A, AV-28RT4SU/B
and AV-28RT4SU/C (No.YA079)" about this section.
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
Please refer to "AV-28RT4BU/A, AV-28RT4BU/B, AV-28RT4BU/C, AV-28RT4SU/A, AV-28RT4SU/B
and AV-28RT4SU/C (No.YA079)" about this section.
SECTION 3
DISASSEMBLY
Please refer to "AV-28RT4BU/A, AV-28RT4BU/B, AV-28RT4BU/C, AV-28RT4SU/A, AV-28RT4SU/B
and AV-28RT4SU/C (No.YA079)" 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 OPTINS 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.
Setting value
Item
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
Option 111000111010001110
Option 120000001100000001
Option 130000011000000010
Option 141000010100001000
Option 151010101001010010
Option 160000100100001011
Option 171010001000000010
Option 180001101100011101
BEFORE AFTER
1-2 (No.YA079B)
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