Kenwood TK-3207 Service Manual page 50

A
TK-3207
1
TX-RX UNIT (X57-6890-XX)
2
BATT
BATT
3
CN401
B
1
SB
2
SP1
3
SP2
4
GND
5
EN1
6
EN2
7
GND
8
9 EN3
EN4
10
4
EN5
11
5
6
RXAFO
7
48
X57-689 1/4
B
SCHEMATIC DIAGRAM / 原理图
R5
100k
RIPPLE
FILTER
D1
MA2S111
C4
0.01u
F401
L401
R1 R2
22k 10k
REVERSE
PROTECTION
R436
R404
0
470k
R403
(D)
100
5V PROTECTION
D401
RB521S-30
R:7.56V
T:7.26V
R:7.28V
T:6.80V
VOLTAGE DETECTOR/RESET
R407
330k
R405
330k
5C
C
R9
R10
R11
PLL SYSTEM
IC1
MB15A02
4.82V
R8
0
R7
100
VR1
R12-7491-05
X1
L77-1931-05
1 4
R3 C3
4.7V
VC VCC
33k
1u
12.8MHz
2 3
GND
oUTPUT
4.7u
TXCO
R:3.70V
T:3.57V
IC402
XC6204B502MR
5.00V
1 5
VIN
VoUT
2
VSS
3 4
IC401,402
CE NC
VOLTAGE
REGULATOR/5V
IC401
XC6204B502MR
4.96V
1 5
VIN VoUT
2
VSS
3 4
CE NC
IC403 BD4840FVE
1 5
PTT
VoUT VDD
2
SUB
3 4
NC GND
ON:4.92V
OFF:0.01V
VOLTAGE
DETECTOR/INT
IC404
LED/RED
BD4845FVE
D403
1 5
B30-2156-05
VoUT VDD
2
SUB
3 4
NC GND
LED SW
/RED
Q401
DTC114EE
D
0
0
0
C40
3p
L8
18n
C30
470p
C29
470p
4.76V
R15 R16 R21
220 560
680
4.9V
0.71V
R12 C25
L1 C17 R14
330k
2.2k 2p
47p
Q1
KTC4082
TRIPLER
Q403
T:4.99V
5T SW
CPH3317
Q404
5R SW
R:5.01V
CPH3317
5C SW
Q405
DTA123JE
R:4.83V
L402
SW1 SW2
ON:4.92V
OFF:0.01V
LED/GREEN
D404
B30-2157-05
LED SW
/GREEN
Q402
DTC114EE
E
2.74V
C43 L9
18n
10p
C50
Q2
10p
2SC5108(Y)
PLL IC F_IN AMP
R17
100
C34
1000p
QTTCXO
PLL_UL
PLL_STB
PLL_DAT
PLL_CLK
B
5T
OSCIN
SP1
SP2
5R
5C
EN1
EN2
EN3
EN4
EN5
VCC
VSS
4.95V
VCC
C430
VSS
CP404
0.01u
47Kx2
LEDTX
LEDRX
SIDE1
SIDE2
BATT
5T_C
5R_C
5C_C
RESET
INT
RXAFO
SB
PTT
5M