Kenwood TK-3230 Service Manual page 43

3C
Lipple
Q4: 2SC4617(S)
Mod
Filter D5: MA2S111-F
D4: 1SV214-F
Frequency
VCO
Control
Q2: 2SC5488 Q5: 2SC5066-F(O)
D2: 1SV270-F
Oscillator
3C Tx: 460.000~470.000MHz
Rx: 421.150~431.150MHz
Shift
Switch
D1: RSK151KJ
Q1: 2SK1824-A
3C
2nd Local: 38.4MHz
Q201: 2SC4082
2nd IF:450kHz
FM IF IC
RSSI
958-05
BUSY
IC200: TA31136FNG
CD200: L79-1866-05
Base Band IC
IC300: AK2346
De-
olume
emphasis
Scrambler/
De-
Limiter
platter
Scrambler
DI/O SCLK
3M RDF
AGND 3M
Low Pass
T/DQT_IN RXLPFO
Filter
IC301: NJM2100V-ZB
BLOCK DIAGRAM /
3C
Tx: 460.000~
470.000MHz
Buffer
RF Amp
Amp
Q6: 2SC5066-F(O)
1st Local:
3C 3R
421.150~
431.150MHz
1st
RF Amp
Mixer Rx: 460.00~470.000MHz
Q3: 2SC5488 Q203: 3SK318
3R
1st IF: 38.85MHz
Monolithic
IF Amp Crystal
Filter
XF200: L71-0586-05
3R
3R
Switch W/N
Discriminator Q200: KRA304E-P
RXLPFO
Low Pass
Filter
Volume
High Pass
Filter
Pre-
Volume
emphasis
XIN DIR TCLK TDATA AGNDIN
VOX Detector
D302: RB706F-40
Mute
SPDET
Switch
Q302: 2SK1824-A
方块图
3M
PC
D/A
SCLK
Converter IC100: BH2219FVM
DI/O
VCONT
3T
SB SB
Drive
Pre-drive Final
Amp Amp Amp
Q101: Q103: Q104:
2SC5092-F RQA0004PXDQS RQA0002DNS
3R
Band Pass
Filter
RF Amp
Q204: 3SK294 L218: L79-1807-05
Amp
SPAMP
Amp
AGND
3M
VOX Amp
MICMUTE
IC302(2/2): TK62012F
D300: DA221
TK-3230
3T
Low Pass
Filter
ANT
Switch
L219,L221,L222
D101: HVC131
D201: HSC277 C255,C258,C261,C264
BEEP
RXAF
SB
AF Power
Amp
Surge
IC303: LM4865M
Protector
D306: KDZ3.3V
D307: KDZ3.3V
Switch
Q301: 2SK1824-A
AGND 3M
TXD
PTT
Mic Amp
SPDET
IC302(1/2): TK62012F
Mic
Mic
AGC/Mute
MIC300:
Q303: 2SC4919
T91-0651-15
D303: DAN222
D301: RB706F-40
Tx/Rx: 460.000~
470.000MHz
ANT
T90-1068-05
Volume
VR301:
R31-0667-05
Speaker
T07-0362-25
8 Ohm
SP/MIC Jack
J300:
E11-0703-05
3M
43