JVC AV-21KM3BN, AV-21KM3SN, AV-21MS1SN, AV-21PB4N, AV-21PS4N Service Manual
SERVICE MANUAL
COLOUR TELEVISION
YA074C20053
AV-21KM3BN, AV-21KM3SN,
AV-21MS1SN, AV-21PB4N,
AV-21PS4N
Supplementary
The following items for the AV-21KM3BN, AV-21KM3SN, AV-21MS1SN, AV-21PB4N and AV-21PS4N were
changed partly.
Therefore, this service manual describes only the items which differ from those of the AV-21KM3BN, AV21KM3SN, AV-21MS1SN, AV-21PB4N and AV-21PS4N service manual.
For details other than those described in this manual, please refer to the AV-21BT8ENS and AV-21BT8ENB
service manual (No.52054, Jul. 2002) AV-21BS88EN service manual (No.52054B, Dec. 2002) AV-21KM3BN,
AV-21KM3SNAV-21PB4N and AV-21PS4N service manual (No.YA074, 2004/5) AV-21MS1SN service manual
(No.YA074B, 2004/6).
DIFFERENCE LIST
PRINTED WIRING BOARD PARTS LIST
MAIN P.W. BOARD ASS'Y
Ref. No.
TU201 VE-30009637 VE-30033888 TUNER Non compatible
BEFORE AFTER
Part No.
COPYRIGHT © 2005 Victor Company of Japan, Limited
PART NAME DESCRIPTION
No.YA074C
2005/3
SECTION 1
PRECAUTION
Please refer to "AV-21BT8ENS and AV-21BT8ENB (No.52054)" about this section.
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
Please refer to "AV-21BT8ENS and AV-21BT8ENB (No.52054)" about this section.
SECTION 3
DISASSEMBLY
Please refer to "AV-21BT8ENS and AV-21BT8ENB (No.52054)" 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.
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
F1H 0000100100001011
F1L 1001001001010010
F2H 0001101100011101
F2L 1000001000000010
BS1 0000001100000001
BS2 0000011000000010
BS3 1000010100001000
CB 1000111010001110
BEFORE AFTER
1-2 (No.YA074C)
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