Kenwood TK-5810 Service Manual page 31

Uhf p25 transceiver
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+B
F1
IC4
DC/DC
5V
IC1
V.Det
D1,Q1
V.Det
Q3
SW
SBC
+B
CIRCUIT DESCRIPTION
5M
IC7
AVR
/BiNT
3.3V
IC2
AVR
/oVRB
3.3V
IC8
AVR
1.5V
IC5
AVR
8V
IC3
AVR
5V
IC601
AVR
5V
Fig. 12 Power supply circuit
TK-5810
BG
(
Q11
SW
SBC
Q10
SW
SBC
Q5
SW
Q7
D10,D11
SBC
SW
SW
/RST
CN4
Li-Batt
IC9
AVR
3.3V
Q601
SW
8T
8TC
Q603
Q405
SW
SW
8R
8RC
STR
5C
/5810H
BG
)
(
CONTROL UNIT
+B_2
5MC
33A
33AC
33M
33M2
33BU
15M
SB
8C
5C
33GPS
TX-RX UNIT (X57-727)
Q409
8CL
SW
RX VCO2
VCO1/2
Q410
8CL
SW
RX VCO1
VCO1/2
8CL
TX VCO
)
31

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