Kenwood TK-3170 Service Manual page 60

A
TK-3170/3173
1
S
BATT
VR1
R31-0624-05
ENC
W02-1969-15
J82-0106-X5
2
PTT BORAD
(X57-7010) (C/4)
S1
AUX
S70-0424-05
S2
PTT
S70-0457-05
J82-0105-X5
S3
1
SW1
2
3
3
S70-0424-05
4
S4
5
SW2
6
S70-0424-05
CN71
E40-5915-X5
D1
R1
0 RB521S-30 IC2
XC6204B502PR
5R PROTECT
1
NC VoUT
2
VSS
3
4
CE
VOLTAGE
REGULATOR/5V
VOLTAGE
DETECTOR/INT
IC1
XC61CC5002NR
3
NC
4
VSS VOUT
ON:5V
OFF:0V
5
Q4 1/2 Q4 2/2
T:5V
AVR/5C AVR/5T
R:0V
Q4
7.5V
FP210
R9 R13
3.3k 3.3k
Q1
5T
Q6
VOLTAGE
UMG3N
Q1
CONTROL
UMG3N
6
Q5
UPA672T
R2
15k
Q5 1/2 Q5 2/2
5TC SW SAVE SW
7
58
X57-701 (B/4) 1/6, X57-701 (C/4) 1/1
B
SCHEMATIC DIAGRAM
TX-RX UNIT : CONTROL SECTION (X57-7010-XX) (B/4)
CN1
E41-2440-05
1 BATSEL
NC
2
GND
3
toCPU
4
5V
5
NC
6
S3A
7
S1B
8
S*C
9
10 S1A
S2B
11
NC
12
13 SB
14 SB
15
SB
CN8
E40-5915-05
AUX 1
PTT
2
SIDE1
3
SIDE2 4
GND 5
GND
6
L1
5
4
VIN
3
2 LOGIC
VIN
INVERTER
Q29
C6
SSM3K15TE(F) 4
470p
1
R11 47k
C20
R22
0
4700p
5R CONTROL SW
Q8
T:0V
DTA114EE
R:5V
5V 7.5V
C30
470p
Q6
BACK LIGHT
5C
CONTROL
VOLTAGE
CONTROL
T:5V
R:0V
R25
T:5V
15k
R:0V
LAMP ON:0V(Lo)
C
R23
0
EN4
EN3
EN2
EN1
7.5V
L2
AUX
L3
PTT
L4
SIDE1
L5
SIDE2
Q9
SSM6J08FU(F)
ON:0V
OFF:5V
5MS
CONTROL SW
VOLTAGE
DETECTOR/RESET
IC3
XC61CN3402NR
LG
2
NC VIN
R16
330
1
Q7
VSS VoUT
TX/RX
INDICATOR
CONTROL
D4
BACK LIGHT
CURRENT CONTROL
BACK LIGHT
DC SUPPLY LAMP ON:4.9V
OFF:0V
Q13
2SB1132(Q,R)
Q12
2SC4617(S)
R61
330
D5,7
C49
D8,9,12,13
LCD
BACK LIGHT
470p 10KEY
BACK LIGHT
OFF:4.8V(Hi)
X57-7010-XX D8
-10 K TK-3170 (4KEY) NO
-11 K4 TK-3170 (16KEY) B30-2050-05
-12 K3 TK-3170 (4KEY) NO
-13 K6 TK-3170 (16KEY) B30-2050-05
-14 K TK-3173 (4KEY) NO
-21 M TK-3170 (16KEY) B30-2050-05
-22 M3 TK-3170 (16KEY) B30-2050-05
D
POWER ON:5V
7.5V
TX/RX
INDICATOR
D2
B30-2278-05
LR
T:5V
R21 R:0V
820
Q7
T:0V
UPA672T
R:5V
SSB
DC SUPPLY
SB
SW
Q16
R248 2SA1774(S)
0
SSB DC SUPPLY
CONTROL SW
7.4V
Q15
SSM3K15TE(F)
R250
0
D9 D12 D13 R75 R82
NO NO NO NO NO
B30-2050-05 B30-2050-05 B30-2050-05 390 390
NO NO NO NO NO
B30-2050-05 B30-2050-05 B30-2050-05 390 390
NO NO NO NO NO
B30-2050-05 B30-2050-05 B30-2050-05 390 390
B30-2050-05 B30-2050-05 B30-2050-05 390 390
E
SEL
VOLIN
OFF:0V
5MS
5MSC
SAVE
RESET
INT
LEDR
LEDG
BATT
SSBC
5M
5TC
5MS
SB
5R
5C
5T
SSB
LCDBL
5RC
C199
0.1u
0.1u
NO
NO
0.1U
0.1u
NO