OLD AND NEW PARTS COMPATIBILITY
1W C375 Version
0.5W C375 Version
1W Version
VM2.0
PN: 01-37504-10 (AH)
PN: 01-37504-20 (C)
Can not use otherwise
standby power consumption
will be higher than 0.5W
Standby Board
0.5W Version
VM3.0
PN: 01-37504-11 (AH)
PN: 01-37504-21(C)
Can be used after changing
R407 from 3.6K to 6.8K
1W Version
VM3.0
PN: 01-37505-00
Can not use otherwise
standby power consumption
will be higher than 0.5W
Display Board
0.5W Version
VM4.0
PN: 01-37505-01
Can be used directly
1W Version
VM2.0
PN: 01-37503-00
Can be used after changing
R329 from 47ohms to 5mm
jumper wire
Tone Board
0.5W Version
VM2.0
PN: 01-37503-01
Can be used directly
1W Version
VM3.0
PN: 01-37502-00
Not advisable because unit
will lose the ability to
accommodate MDC that
requires 8.8V/0.3A supply
Main Board
0.5W Version
VM4.0
PN: 01-37502-01
Can be used but unit still
cannot accommodate MDC
that requires 8.8V/0.3A
supply
1W Version
HA400
PN: JA18-37571-01
Not advisable because unit
will lose the ability to
accommodate MDC that
requires 8.8V/0.3A supply
Main Transformer
0.5W Version
HA400-A
PN: JA18-37571-11
Can be used but unit still
cannot accommodate MDC
that requires 8.8V/0.3A
supply
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