Kenwood TKR-851 Service Manual Supplement page 15

FINAL UNIT (X45-3742-71) (A/2)
T:7.57V
R:0V
Q2
2SC3356(R24)
C1 L1 C8
CN1
10n
470p Q1 8p
2SC5110(O)
T:0.70V T:0.69V
R:0V R:0V
Q1-3
RF AMP
CN3
1
TMP
2
BUP
3
PDT
4
FAS
5
PC
6
8T
7
NC
8
GND
D10
SURGE
VOLTAGE
PROTECTOR
REGULATOR
T:13.03V
IC2
R:13.54V
NJM78L05UA
CN4
1 3 1
IN OUT
FAB
COM
FAG
2 2
Q9
DTD123EK
DC SWITCH
T:7.61V T:7.91V
R:0V R:0V
L14
C17 C21 C23 C31
R15 L5
15n 6.8n
5p 18 470p
12p 470p
Q3
2SK2596
R60
10k
R56
Q8
2SC4116(Y)
47k
DC SWITCH
THERMOSTAT
IC1
MAX6502UKP035
4 3 R77
VCC HYST
2 150k
GND2
5 1
ToVER GND1
TX
DRIVE
AMP
FINAL AMP
Q4
Q5
PD55008S
RD60HUF1-01
C43 C61
22p
82p
R20 R21
D4,5
0 0 RF DETECTOR
T:4.26V
R:0V
DC AMP
VOLTAGE IC3
REFERENCE C120 R41
TA75W01FU
R59 0.022u 5 4
IN2+ VEE
0 6 3
R55
IN2-
IN1+
470k
7 2
OUT-B
IN1-
8 1
VCC
OUT1
R62 10k
D8
REVERSE
CURRENT
PROTECTION
R54
1k
T:13.05V
D8
K1
R:13.56V
RB051L-40
D9
MINISMDC050-02
CURRENT
PROTECTOR
CHARGE
D7
SURGE
PROTECTOR
C160
82p
L16
C81 L11
10n L9
15n 15n
82p
L17
18n
RF SWITCH
D53
MA4PH633
R70 C68
0
470p
0
D55,56
RF SWITCH
ANT SW
(X45-3742-71) (B/2)
CN51
MAIN DC CN6
W3 +B1
W4 GND
D51,52
PROTECT OF REVERSE
CONNECTION
CN52
CN7
BACKUP
W5 +B2
GND CN8
TX ANT
RX
CN5
E
1
B
B
3
MAIN DC
+B1
GND
BACK UP
BATTERY
+B2
GND