Kenwood KRC-20SA Service Manual page 4

KRC-20SA/G
Ref.No. Component Name
DTC114YK or UN2214 or
Q260
KRC107S
Q261 2SB1443
Q301 DTA144EK or UN2113 Changer reset SW
Q320 2SA1037K
Q350 2SB1277(Q,R)
Q351 2SA1037K
DTA124EK or UN2112 or
Q352
KRA103S
DTC114YK or UN2214 or
Q353
KRC107S
Q370 2SB1277(Q,R)
DTC114YK or UN2214 or ANT-CON. SW
Q371
KRC107S
4
COMPONENTS DESCRIPTION
Application/Function
Motor +B SW
Panel 5V SW
P-CON. driver
P-CON. protection SW
P-CON. protection inhibit SW
P-CON. SW
Operation/Condition/Compatibility
When Q260's base becomes Hi, Q261 is turned on.
Works during TAPE mode.
When a base becomes Lo, Q301 is turned on.
While a panel is attached to the set, a base becomes Lo, and
Q320 is turned on.
When Q353's base becomes Hi, Q350 is turned on.
Works when P-CON is being short-circuited on GND.
Inhibits protection SW function when P-CON works momentary.
Q353 is turned on when a base becomes Hi.
Works during POWER ON mode.
Q370 is turned on when Q371's base becomes Hi.
Works during TUNER mode.