Kenwood TK-3301 Service Manual page 40

X57-7772-70 (TX-RX UNIT)
Fuse
1.5A
F301:
5C_C
F53-0321-05
Battery
Protector
Voltage
Regulator
D301:GN1G
IC303:
XC6209B502PR
Rectifier
Power Switch/
AF Volium
D302:
R31-0670-15
1
HRC0203C
B
2
SB
3
AFVOL_IN
4
AFVOL_OUT
Voltage
5
Regulator
6
EN1
IC304:
7
XC6209B502MR
EN2
8
9
EN3
10
EN4
11
EN5
SB
Channel
CN301
Selector
E40-6573-05
S60-0440-05 LED
D303:B30-2315-05
Switch LEDTX
Q301:RT1N441U
SB
R301
BATT
R305
PTT
PTT
SIDE1
SIDE1
SIDE2
SIDE2
Shift
BSHIFT
Switch
Q305,Q306:2SC4919
B
5C
5T_C 5C
PLL_UL Rectifier
Switch 5T
Q1:KTC4075E(Y,GR)
Q304:DTB723YE
PLL_DAT
5R_C QTTCXO 5M PLL IC
PLL_CLK
PLL_STB
12.8MHz
Switch 5R TCXO
X1:L77-3042-05 IC1:
Q303:RT1P141U
MB15A02PFV2E1
5M
5R
Voltage
Reset Tripler
Detector
IC301:
Q2:2SC4774
BD4840FVE
SB
LED
D304:B30-2314-05
Switch LEDRX
Q302:RT1N441U
PLL_UL TH_DET
BATT BUSY
EN1 RSSI
EN2 VOX
EN3 STD
EN4 RDF/FD
EN5 QT/DQT_IN
Reset OPTDET
RXD
PCTV
TCLK/DTRDO
5M
QTTCXO APC_SW
QTVCO
TXD
AF_CONT
5T_C
DTRLOADN
5C_C
TDATA/DTRCLK
5R_C
MCU
PLL_DAT SCLK
1/2_OSC
IC306:R5F212CCKCMD PLL_CLK
MIC_MUTE
PLL_STB
EEPCLK
LEDTX
LEDRX DIR
BSHIFT DTMF
14.746MHz
DI/O
Ceramic EEPDAT
Oscillator
X301:L78-1433-05
5C
Ripple
Filter
Q6,Q10:
KTC4075E(Y,GR)
Loop Buffer
RF Amp
Filter Amp
Oscillator
Q9:2SC5636 Q11:2SC5636
: 446MHz
MOD
VCO
5C
QTVCO
Q5:2SK1875-F(V)
D4,D8:1SV325F
D9:KDV214E-P RF Amp
Q3:2SC5636
Low Pass
Filter 5C 5R
2nd Local:38.40MHz IF Amp
2nd IF:450kHz Q202:2SC4774
Ceramic
FM IF IC
5R
Filter
RSSI
CF201:L72-0959-05
BUSY Discrimi-
nator
DET
IC201: CD201:L79-1866-05
TA31136FNG
5M STD
RDF/FD
TCLK/DTRDO
QT/DQT_IN
AFVOL_IN
MOD
1/2_OSC
VOX
Detector
5M
D306:KDR731
EEPCLK
EEPROM
EEPDAT
IC305:BR24L16F-W
PCTV
Switch
5T
APC_SW
Q108:2SK1824-A
Tempera-
TH_DET ture
Detector
APC_SW Switch
TH101
Q107:RT1N441U Q109:RT1P441U
5C 5T 5R 5T
5T
Tx: 446MHz
Tx/Rx Pre-drive
RF Amp
Switch Amp
D10:MC2858 Q101:2SC5636 Q102:
2SC5455-A RD01MUS1-T113
1st Local
5R 5R
: 407.15MHz
Band
1st
Q203:
Pass
RF Amp
Rx: 446MHz
Mixer
3SK318
Filter
Q204:3SK318
1st IF:38.85MHz
MCF
XF201:L71-0549-15
SB
Q313:
2SB1694
Switch
AF
Mute
AFVOL_OUT Power
DI/O DIR DTMF DET
Switch
Amp
IC309: Q314:RT1N441U
TA7368FG Q315,Q316:2SK3577-A
SCLK
TDATA/DTRCLK
Audio Prosessor
DTRLOADN
IC308:AQUA-L
Mic
AGC/
MIC_MUTE
Mute
Q308:KTC4075E(Y,GR)
Q310:2SC4116(GR)F
Q311:2SA1586(Y,GR)F
D308,D309:KDR731
Limiter
D307:MC2850
B
IC101:
BA2904FVM
APC
Switch
Tx/Rx
Protector
D101:UDZW5.1(B)
B B 5T
ANT
ANT Low Pass
Drive Final
Switch
Amp Amp Filter
Q103: Q106: D103:HSC277
RD02MUS1BT112
D104,D106:HVC131
Band
Pass
Filter
Switch AF_CONT
Q312:RT1N441U
Speaker
T07-0369-15
TXD
SP/MIC Jacks
E11-0703-05
RXD
OPTDET
5M
Mic
MIC301:
T91-0651-15