KDC-5019/519/7021/7021Y/8020/B7021
4
Ref.No.
Component Name
Application/Function
Operation/Condition/Compatibility
Q37
DTC143TUA or KRC410 Audio mute SW (Front L)
When Q37's base goes Hi, Pre-output is muted.
Q38
DTC143TUA or KRC410 Audio mute SW (Front R) When Q38's base goes Hi, Pre-output is muted.
Q39
DTC143TUA or KRC410 Audio mute SW (Rear L)
When Q39's base goes Hi, Pre-output is muted.
Q40
DTC143TUA or KRC410 Audio mute SW (Rear R)
When Q40's base goes Hi, Pre-output is muted.
Q43
DTC124EUA or UN5212
FM +B SW
When Q43's base goes Hi, Q44 is turned on, and A8V is supplied to the F/E.
Q44
2SB1277(Q,R)
Works during FM reception mode.
Q45
DTC124EUA or UN5212
AM +B SW
When Q45's base goes Hi, Q46 is turned on, and A8V is supplied to the F/E.
Q46
2SB1277(Q,R)
Works during AM reception mode.
Q50
DTC144EUA or UN5213
PAN 5V SW
While a panel is attached to the set, Q50 and Q51 are turned on, and
Q51
2SA1576A or 2SB1218A
BU 5V is supplied to the panel.
Q52
2SC4081 or 2SD1819A
Composite signal output buffer
Q53
DTC144EUA or UN5213
IFC buffer
Waveform shaping
