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Kenwood KMD-X91 Service Manual page 3

Md receiver
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@ SWITCH UNIT (X13-9390-10)
Component Name
KMD-X91/PS970R
COMPONENT DESCRIPTION
Appication/Function
Operation/Condition/Compatibility
UPD784214GC025
Panel MI-COM.
BA3830F
BPF IC
RS-171
Remote control light sensor
DTA114YK
ED1 VDD ON/OFF
On at base "L"
DTA144EK
Remote sensor power SW
On at base "L"
DTC114EK
Blanking SW
On at base "H
2SB1188 (Q,R)
Constant current
DTC114EK
FL +B detect
On at base "
28C2412K
+
Green illumination ON/OFF
On at base "
2SC2412K
Amber illumination ON/OFF
On at base "
DTA124EK
@ RELECTRIC UNIT (X25-824X-XX)
Component Name
SC CON ON/OFF
Appication/Function
On at base "L"
Operation/Condition/Compatibility
UPD784215GC099
TDA7400
TDA7401
PST9130NR
BR24C0O1AF
EEPROM
TC74HCO2AF
Mute logic
BA6287F
NJM4565M-TE2
System MI-COM.
E-VOL. & NC MPX
HPF&LPF SW
Reset IC
Motor driver
M5237ML
AVR IC
TDA7386
Power IC
System E's IC
"L":detection voltage below 3.7V
Speana & A.G.C. amp.
TC7662BE0A
Power supply for pre out amp.
DC/DC converter
NJM4565M-TE2
Rear pre out amp.
NJM4565M-TE2
NON-FADER pre out amp.
TDA7479D
RDS decoder
NJM4565M-TE2
Front pre out amp.
JM4565M-TE2
Noise detection amp.
LM2675M-ADJ
MD/PANEL AVR
DC/DC converter
2SB1565F (E,F)
2SC2412K
BU 5V AVR
inverted darlington connection
On during BU applied
2SA1037K
SW 5V
On at base "L"
2SB1565F (E,F)
Audio 8V AVR
DTC144EK
DTA124EK
AVR on at O56 base "H"
DTA124EK
PON
SW
DTC144EK
On at Q6 base "H"
DTA124EK
DC/DC Power SW
DTC124EK
2SB 1443
ON at O9 base "H"

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Kmd-ps970r