Disassembly For Repair - Kenwood TK-480 Service Manual

Compatibility information
The LCD ASSY (B38-0892-15) has been discontinued by the supplier. A new LCD ASSY (B38-0951-05) has been applied to
the X57-5630-XX and X54-3210-XX production.
LCD ASSY
Microprocessor
Firmware Checksum (K3, K4 type)
Checksum (M4 type)
TX-RX (X57-5630-XX)
PC board
DISPLAY (X54-3210-XX)
Compatibility Chart
TX-RX: X57-5630-10/-11/-21
DISPLAY: X54-3210-10/-11 *1
Unit
TX-RX: X57-5630-12/-13/-22
DISPLAY: X54-3210-10/-11 *1
*1: The circuit fi xed number of the LCD VCI section differs between the old Display unit (X54-3210-10/-11) and the new Display
unit (X54-3210-10/-11).
*2: The following units were added as an object for service of old Display units.
OLD Display Unit
X54-3210-10
X54-3210-11

DISASSEMBLY FOR REPAIR

TK-480 K3, K4, M4/ TK-481 K3, K4
TX-RX UNIT(X57-5630-XX), DISPLAY UNIT(X54-3210-XX)
TX-RX UNIT: X57-5630-10/-11/-21
DISPLAY UNIT: X54-3210-10/-11 *1
(TK-480: S/No.B21xxxxx and earlier,
TK-481: S/No.B21xxxxx and earlier)
Version
(When the fi rmware version is Ver. 2.09.)
(When the fi rmware version is Ver. 2.28.)
OLD *2
NEW
(The character does not appear.)
Display Unit for Service
X54-3210-14
X54-3210-15
OLD
B38-0892-15
30622MEP589GU
Ver. 2.xx
0AF3
D179
J79-0201-09
J72-0517-22
LCD ASSY
OLD
B38-0892-15
Available
NOT available
TK-480/481
NEW
TX-RX UNIT: X57-5630-12/-13/-22
DISPLAY UNIT: X54-3210-10/-11 *1
(TK-480: S/No.B2200001~,
TK-481: S/No.B2200001~)
B38-0951-05
30622MEP599GU
Ver. 3.xx
47C6
(When the fi rmware version is Ver. 3.09.)
DED7
(When the fi rmware version is Ver. 3.28.)
J79-0201-09
J79-0201-19
J72-0517-22
NEW
B38-0951-05
NOT available
(The character does not appear.)
Available
3