Schematic Diagram - Kenwood TK-2402(V) Service Manual

A
TK-2402(V)/2402/2406/2407
1
TX-RX UNIT(X57-8310-10)
PLL_CLK
PLL_DAT
PLL_LE
PLL_PS
X1
19.2MHz
1.67V
1 VCoNT
VCC
2 GND
oUTPUT
L77-3055-05
2
4
oUT
3.3V
VSS
5
VDD
IC1
TC75S51FE(F)
DC AMP(FRQ/MOD)
L600 F600
2.5A
7.5V
BATTERY
3
CN600
VR1
1 VOLOUT
2 VOLIN
F601
B
3
SB 1A
4
5 VOLGND
EN2
6
SSM3K127TUT
7 EN4
DC SW(MIN-VOL)
8 GND
EN3
9
EN1
10
S1
4
L601
Voltage regulator(50C)
MM1856A50N
1
2
5
3
7.4V
Voltage drop
D600
RB521S-30
1
VIN
2
GND
3 CoNT
IC604
MM1856A33N
Voltage regulator(33M)
6
7.2V
Voltage detector(INT)
XC61CN4502M-G
VIN
3
7
34
X57-831 1/4
B
R775
0
4
L1
R4
Speed up(PLL UL)
3 4.7u
120
10k
R2
C5
R7
1000p
5.6k
IN-
3
2
R9
IN+
1
10k
33MS
7.5V
Voltage prevention
19.2MHz
MINVOL
Q603
IC601
XC6209B502P-G
7.4V
4
VIN
CE
3
VSS
2
5
VoUT
NC
1
Voltage regulator(50M)
IC602
5.0V
VIN
VoUT
5
GND
50CC ON:
CoNT
NC
3.3V
4
SB
3.3V
VoUT
5
DC SW(33MS)
Q606
NC
4
SSM3J36TUT
3.3V
ON:0V
3.3V
R613
100k
IC605
BU4830F
Voltage
detector
(reset)
IC600
INT
R609
VoUT
1
1k
Over voltage
protection
C

SCHEMATIC DIAGRAM

PLL system
IC2
MB15E03SL-E1
9
CLoCK
FIN
8
CP1
10 DATA
XFIN
7
11
LE
GND
6
12 PS
Do
5
13
ZC
100X4 VCC
4
14 LD/FoUT
VP
3
15
P
oSCoUT
2
16 R
oSCIN
1
L2
R13
10
5.0V
C18
C22
1000p 1000p
R10
33MS
C23
C19
100
0.01u
0.01u
3.3V
R8 C16
330
0.01u
DC SW(50T)
R:0V
T:4.9V
Q601
SSM6L36TU-F
50M
Q602
SSM6L36TU-F
DC SW(50R)
R:3.3V T:0V
50CC
Voltage regulator(50V)
IC603 50VC ON:
XC6209B502P-G
3.3V
4
VIN
CE
3
VSS
2
5
VoUT
NC 5.0V
1
GREEN(BUSY)
BLUE
RED(TX)
BUSY LED
DC SW(BUSY-LED)
Q600
LTC014EEBFS8
DC SW(TX,BLUE-LED)
Q604
3.3V
LTC014EEBFS8
D
C30
270p
R16 R17 R19 R20
560 560 0
560
3.2V
R614
820k
R:0V
T:3.3V
5.0V
R:4.9V
T:0V
SB
BLUE LED
ON:3.3V
DC SW(TX,BLUE-LED)
Q605
LTC014EEBFS8
7.4V
R:0V T:3.3V
E
50C
FIN
Do
50R
CV
Freq
50T
19.2MHz
+B
PTT_RXD
VOLOUT
VOLIN
REDLED
BATT
50M
RESET
MOD1
50V
33M
BLULED
GRNLED
SB
INT