Kenwood TK-3230 Service Manual page 42

TX-RX UNIT (X57-7330-10)
Fuse
Power switch
2.5A
Battery
F300: F53-0324-05
Voltage
Regurator
Protector
IC404: BH30FB1WG
D304: GN1G
SB
R416
BAT
R417
SB
LED
D400: B30-2143-05
BACKLT Switch
IC401: XC61CN2802N
Q400: DTC114EE
SB
IC400: XC61CN2902N
LED
D401: B30-2278-05
RDF
RESET
SPDET
GLED Switch Switch RLED
UL
VOX
BAT
Q401: DTC114EE Q402: DTC114EE
QT/DQT_IN
BUSY
RSSI
THP
BATL
PTT
3M
SEG
LCD
COM1~COM3
IC403: D338327A19WV
CALL
CALL
PTT
PTT
MENU
MENU
UP
DOWN
MONI
UP
DOWN
MONI
7.37MHz
Crystal
Shift
SHIFT
Switch Oscillator
Q403: 2SC4919 X400: L77-3026-05
Q408: 2SC4919
Low Pass
Filter
SB
TO
Volume
3M
3CC
C432,C434 VR300
R444,R445
Switch 3C
UL
PDATA
Q405: KRA305E
PCLK
3TC
PEN
PLL IC
Switch
3T
12.8MHz
VCONT TCXO
Q404: KRA305E
3RC
X1: L77-3019-05 IC1: TB31202FNG
Switch 3R
Tripler
Q406: KRA305E
Q202: 2SC4082
Voltage
RESET
Detector
Voltage
BATL
Detector
DI/O
EEPDATA
RXAF
MOD
SPAMP
PEN
PCLK
PDATA
MICMUTE
EEPCLK
BACKLT
GLED
RLED
3TC
MCU
3RC
3CC
SHIFT
TO
TCLK
EEPCLK
TDATA
DIR
EEPDATA
BEEP
PC
SCLK
TXD
W/N
3M
Frequency
XIN
Divider
IC405: TC7W74FU-F
3C
MOD
Lipple Q4: 2SC4617(S)
Mod
Filter D5: MA2S111-F
D4: 1SV214-F
3C
Loop Filter
Frequency
VCO
Control
C2,C6,C11
D2: 1SV214-F Q2: 2SC5488
R3,R5,R8,R10 Oscillator
3C Tx: 460.000~470.000MHz
Rx: 421.150~431.150MHz
Shift
Switch
Low Pass
Filter
D1: RSK151KJ
Q1: 2SK1824-A
3R 3C
C50,C51,C52,C53,C54
L13,L14 2nd Local: 38.4MHz
2nd IF:450kHz
Ceramic
FM IF IC
Filter
RSSI
CF200: L72-0958-05
BUSY
IC200: TA31136FNG
Base Band IC
IC300: AK2346
De-
Amp
Volume
emphasis
Scrambler/
De-
SMF Volume Splatter Limiter
Scrambler
DI/O SCLK
3M RDF
3M AGND 3M
Low Pass
QT/DQT_IN RXLPFO
EEPROM
Filter
IC301: NJM2100V-ZB
IC406: BR24L01AFJ-W
3T 3M
PC
Tempera-
D/A
ture SCLK
THP Converter IC100: BH2219FVM
Detector
DI/O
TH100
VCONT
3T
3C
Tx: 460.000~
470.000MHz
Buffer Pre-drive
RF Amp
Amp Amp
Q103:
Q5: 2SC5066-F(O) Q6: 2SC5066-F(O) Q101:
2SC5092-F 2SK3656-F
1st Local:
3C 3R 3R
421.150~
431.150MHz
1st
RF Amp RF Amp
Mixer Rx: 460.00~470.000MHz
Q3: 2SC5488 Q203: 3SK318 Q204: 3SK294
3R
1st IF: 38.85MHz
Monolithic
IF Amp Crystal
Filter
Q201: 2SC4082 XF200: L71-0586-05
3R
3R
Switch W/N
Discriminator Q200: KRA304E
CD200: L79-1866-05
RXLPFO
Low Pass
Filter
Volume Amp
High Pass
Filter
Pre-
Volume Amp
emphasis
XIN DIR TCLK TDATA AGNDIN AGND
3M
VOX Detector
VOX Amp
D302: RB706F-40 IC302(2/2): TK62012F
D300: DA221
Mute
SPDET
Switch
Q302: 2SK1824-A
Tx/Rx: 460.000~
470.000MHz
T90-1068-05
SB SB 3T
Low Pass
Filter
Drive Final ANT
Amp Amp Switch
Q104: L219,L221,L222
D101: HVC131
RQA0002DNS D201: HSC277 C255,C258,C261,C264
Band Pass
Filter
L218: L79-1807-05
Volume
BEEP
VR301:
R31-0667-05
RXAF
SB
Speaker
T07-0362-25
8 Ohm
AF Power
Amp
Surge
IC303: LM4865M
Protector
D306: KDZ3.3V
D307: KDZ3.3V
SPAMP Switch
SP/MIC Jack
Q301: 2SK1824-A
J300:
E11-0703-05
AGND 3M
TXD
PTT
Mic Amp
SPDET
3M
IC302(1/2): TK62012F
Mic
Mic
AGC/Mute
MICMUTE
MIC300:
Q303: 2SC4919
T91-0651-15
D303: DAN222
D301: RB706F-40
ANT