Tx-Rx Unit (X57-6890-Xx); Schematic Diagram - Kenwood TK-3202 Service Manual

A
TK-3202/3206
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
5C
RXAFO
7
34
X57-689 1/4
B
R5
100k
RIPPLE
FILTER
D1
MA2S111
C4
0.01u
F401
L401
R1 R2 R3
22k 10k 33k
REVERSE
PROTECTION
R436
R404
0
470k
R403
(D)
100
5V PROTECTION
XC6204B502MR
D401
RB521S-30
1
VIN
2
R:7.56V
VSS
T:7.26V
3
CE
XC6204B502MR
R:7.28V
1
T:6.80V
VIN
2
VSS
3
CE
VOLTAGE DETECTOR/RESET
IC403
1
R407
VoUT
330k 2
SUB
3
NC
VOLTAGE
DETECTOR/INT
R405 1
VoUT
330k 2
SUB
3
NC
C

SCHEMATIC DIAGRAM

R9 0
R10 0
R11 0
PLL SYSTEM
IC1
MB15A02
4.82V
R8
0
R7
100
VR1
R12-7491-05
X1
L77-1931-05
1 4
C3
4.7V
VC VCC
1u
12.8MHz
2 3
L1
GND
oUTPUT
4.7u
TXCO
R:3.70V
Q403
T:3.57V
CPH3317
IC402
Q404
5.00V
CPH3317
5
VoUT
4
IC401,402
NC
VOLTAGE
REGULATOR/5V
5C SW
IC401
Q405
4.96V
DTA123JE
5
VoUT
4
NC
BD4840FVE
5
PTT SW1
VDD
4
GND
ON:4.92V
OFF:0.01V
IC404
LED/RED
BD4845FVE
D403
5
B30-2156-05
VDD
4
GND
LED SW
/RED
Q401
DTC114EE
D
C40
3p
L8 C43
18n
10p
C30
470p
C29
470p
4.76V
R16 R21
R15
220 560
680
4.9V
0.71V
R12 C25
C17 R14
330k 1000p
2.2k 2p
47p
Q1
KTC4082
TRIPLER
5T SW
T:4.99V
R:5.01V
5R SW
R:4.83V
C430
L402
0.01u
SW2
ON:4.92V
OFF:0.01V
LED/GREEN
D404
B30-2157-05
LED SW
/GREEN
Q402
DTC114EE
E
2.74V
L9
18n
C50
Q2
10p
2SC5108(Y)
PLL IC F_IN AMP
R17
100
C34
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
VSS
CP404
47Kx2
LEDTX
LEDRX
SIDE1
SIDE2
BATT
5T_C
5R_C
5C_C
RESET
INT
RXAFO
SB
PTT
5M