Kenwood TK-3107 Service Manual page 12

A
TK-3107
1
TX-RX UNIT(X57-6030-10)
R29
0
2
UNLOCK
DETECT
D7 R2
DA2S101 1k
CP1
1kX4
3
EEPROM
IC401
CAT24WC08JI18
1 8
A0 VCC
2 7
A1 WP
4
3 6
A2 SCL
4 5
VSS SDA
R401
100k
RESET SW
IC400
T:5.1V
PST9140NR
R:5.1V
5
1
5M
NC VCC
2
VEE1
4
3
VEE2 OUT
T:4.9V
R:4.9V
5
LED TX
DC SW
Q400
RT1N141U-T111
R:4.8V
6
CHANNEL SWITCH
POWER SWITCH
AUDIO VOLUME
CN400
10
9
8
7
6
5
4
3
2
1
7
12
X57-603 1/4
B
SCHEMATIC DIAGRAM
T:4.9V
R:4.9V
C5
4.7u6.3
R3
10
C4
R11
0.1u 47k
VR1
68k
L2
8.2u
IC1
MB15A02PFV2E1
PHASE LOCKED
LOOP SYSTEM
RX
T:5.1V
R:5.1V
5M
R405
1k
VOLTAGE DETECT
IC402
R3111N451C-FB
R404 5
1
oUT NC2
2
0
VDD
4
3
GND NC1
R417
10
LED BUSY
DC SW
Q401
RT1N141U-T111
R:4.7V
ENC2
ENC3
SB
B
ENC1
ENC0
TO VOLUME
TO AF AMP
R430
100
R431
0
C
X1
L77-1877-25
12.8MHz
R5 R7
560 560
R8
330k
TRIPLER
Q1
2SC4649(N,P)
R:0.7V
TO
Q402
RT1P144U-T111
T:5.1V
DC SW
R:5.1V
L401 C414
470p
VOLTAGE REGULATOR
T:5.1V
IC404
R:5.1V
XC6201P502P-G
R540 R411
0 220k
VOUT
VIN
VSS
C412
10p
Q403
RT1N441U-T111
X400
L77-1761-15
7.3728MHz
C415
R412
10p 10
BEAT
SHIFT SW
R1
1k
50
51
MONI
SELF
DT
CK RXD
TXD
LE PTT
TO
MICROPROCESSOR
5MC BEEP
AFCO
IC403
RX
38268MCA060GU
GLED
RLED
SAVE APC
MUTE VCCN
5RC
5TC BATT
BUSY
TI
TIBI
VC2
VC1
75
76 100
L402
T:5.1V
220n
R:5.1V
L400
220n
MUTE
AFCO
RX
SB
D
C25
470p
CV
100k
R10 R13 L7
2.2k 0
R:4.9V
L5 R14
560n 100
C28
33p
C19 L16 L17
0.01u 220n 220n
R406
T:5.1V T:5.0V
R:0V R:2.2V
DC SW
Q406
FP210
R407 R424 R425
1k
3.3k 3.3k
DC SW DC SW
DC SW
Q405
T:2.0V
UPA672T-A
T:0V
T:2.0V
R:6.0V
R:1.9V
2.3V
L403
220n
SB
5MS
SAVE
5TC
WNRC
VCCN
C420 C422
C418 0.01u 0.01u C425
0.01u 0.01u
26
25
5.1V 5.1V
R418
2.2k
MONI
PTT
R502
82k
R413
1k
R500 R501 R513
1
4.7k 4.7k 33k
E
RF AMP
Q2
L6 2SC5108(Y)F
C54
18n
3p(B)
C29
2p
T:2.4V
R:2.4V
R19
100
R18
MOD
T:0V
R:5.0V
5R
TO
5C
2nd Local
RX
2.2k
5T
Q408
RT1P237U-T111
DC SW
B
T:7.4V
R:7.5V
WNRC
TIBI
5MS
TI
BUSY
R548
3.3k
APC
TXD
PTT
C503
0.033u
C504
TO
4.7u6.3
TO
B
WNTC
TO VOLUME
MUTE
AFCO
RX
SB
TO AF AMP