Kenwood TKR-850 Service Manual page 81

FINAL UNIT (X45-3740-XX) (A/2)
T:7.57V
R:0V
Q2
2SC3356(R24)
* C1 * L1 C8
CN1 *
Q1
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
X45-3740-XX L1 L2 L3 L14 R2 R4 R6 R11 R12 R13
0-10 K,E 10n 10n 18n 15n 2.2k 22 47 100k 18k 47
0-11 K2 10n 18n 18n 10n 4.7k 10 10 100k 18k 47
0-12 K3 3.9n 27n 8.2n 10n 4.7k 10 10 33k 15k 22
T:7.61V T:7.91V
R:0V R:0V
* L14 * C21 C23
* C17 * R15 C31 L5
6.8n
470p 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
R14 R15 R16 R46 R47 C1 C8 C17 C21 C22 C26 C32 C33 C34 C119
1k 5.6 1k 470 2.2k 470p 8p 5p 12p 6p 470p 8p 27p 27p 470p
270 18 270 0 3.3k 10p 3p 5p 10P 9p 470p 9p 27p 27p NO
270 18 270 0 3.3k 10p 10p 56p 22p 12p 100p 8p 39p 39p NO
TX
DRIVE
AMP
FINAL AMP
Q4
Q5
PD55008S
RD60HUF1-01
C43
* C61
82p
R20 R21
D4,5
0 0 RF DETECTOR
T:4.26V
R:0V
DC AMP
VOLTAGE IC3
C120 TA75W01FU R41
REFERENCE
R59 0.022u 5 4 0
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
X45-3740-XX R24 C39 C40 C43 C44 C59 C60 C83 C86 C88 C89
0-10 K,E 100k 12p 22p 22p 6p 10p NO 6p 10p NO 5p
0-11 K2 120k 8p 27p 18p NO 8p 6p 5p 8p NO 5p
0-12 K3 100k 18p NO 22p 10p 12p 8p 7p 12p 6p NO
C160
82p
L16
10n C81
L9 L11
15n 15n
82p
L17
18n
RF SWITCH
D53
MA4PH633
R70 C68
0
470p
D55,56
RF SWITCH
1
3
ANT SW
(X45-3740-XX) (B/2)
CN51
MAIN DC CN6
W3 +B1
W4 GND
D51,52
PROTECT OF REVERSE
CONNECTION
CN52
CN7
BACKUP
W5 +B2
GND CN8
C118 C121 C122 C123 C124
4p 15p 15p 22p 22p
NO 18p 18p 22p 18p
NO 18p 18p 27p 27p
TX ANT
RX
CN5
E
B
B
MAIN DC
+B1
GND
BACK UP
BATTERY
+B2
GND