Tx-Rx Unit (X57-6892-Xx) - Kenwood TK-3202 Service Manual

A
TK-3202

TX-RX UNIT (X57-6892-XX)

1
2
BATT
BATT
3
CN401
E40-6362-05
1 B
2
SB
3 AFI
4 AFO
5
GND
6 EN1
7 EN2
8
GND
9 EN3
10 EN4
11
EN5
4
5
6
7
32
X57-689 1/4
B
SCHEMATIC DIAGRAM
R5
100k
RIPPLE
FILTER
D1
MA2S111-F
C4
0.01u
F401
L401 F53-0324-05
R1 R2 R3
22k 10k 33k
REVERSE
PROTECTION
R436
0
R403
100
VOLTAGE
REGULATOR/5V
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
C
R9 0
R10 0
R11 0
PLL SYSTEM
IC1
MB15A02PV2E1
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
R412 47k
47k
R408
R409 47k
R410 47k
47k
R411
Q403
CPH3317
IC401,402
IC402
Q404
5.00V
CPH3317
5
VoUT
4
NC
IC401
4.96V
5
VoUT
4
NC
BD4840FVE
5
PTT SW1 SW2
VDD
4
GND
ON:4.92V
OFF:0.01V
IC404
LED/RED
BD4845FVE
D403
5
B30-2156-05
VDD
4
NC 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 R14 C25
C17
330k
2.2k 2p
47p
Q1
KTC4082
TRIPLER
5C
T:4.99V
5T SW
R:5.01V
5R SW
R:4.83V
Q405
DTA123JE
5C SW
L402
0.01u
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
1000p
QTTCXO
PLL_UL
PLL_STB
PLL_DAT
PLL_CLK
B
5T
SP1
OSCIN
SP2
5R
5C
EN1
EN2
EN3
EN4
EN5
4.95V
VCC
C430
VSS
CP404
47Kx2
LEDTX
LEDRX
SIDE1
SIDE2
5T_C
5R_C
5C_C
RESET
INT
PTT
5M
SB