Kenwood TK-3312 Service Manual page 45

2
5636
UFFER
50C
MP
)-H
23F
Q8
E-P
2SC5636
RF BUFFER
AMP
42C
-E
)-H Q6 SSM6L05FU-F
325F Q7 SSM3J05FU-F
T/R
TX
SW
B-E
42C
(Y,GR)
19
IC402
NJU7108
BUFF
WID/NAR
EN2 CM_IRQ KEY1I
EN1 CM_DTI KEY2I
PTT TH_DET KEY3I
PF1 OPTDET KEY4I
PF2 QT/DQT CVIN
RXD MAN_DN BUSY
VOX RESET RSSI
INTO PL_UL BATT
VOLIN
Q807 2SC4919-S
BSHIFT
SW
19.200MHz
_CS
_WP
0
TA00A
UHF:
400.05MHz~470.05MHz (RX)
450MHz~520MHz (TX)
50T
D17 HSC277
Q9 Q201
D18 HVC131
2SC5636 2SC5636
TX/RX
RF AMP RF AMP
RF SW
50C 50R
50T
1st Local
UHF: 400.05MHz~470.05MHz
50R
Q403
2nd Local
KTC4080E-P
50.4MHz
TRIPLER
RSSI
(NAR)
ASQL
IF-FILTER
D402
CF401
SW SW
L72-1045-05
KDS121E-P
D401
KDS121E-P
(WID)
2nd IF 450kHz
IF-FILTER
CF402
L72-1010-05
CVADJ
CM_CNS
FREQ
CM_CLK
CM_IRQ
CM_DTO
CM_DTI
LSDO
MOD2
DISCFB
TXTONE
MOD1
QT/DQT
BASEBAND
BPF1
IC
PC/BPF2
XOUT
IC812
CD686AQ3
MIC
XIN
X802
L78-1434-05 MICFB
33MS 33B
MIC_MT
MIC AGC
D807,D808 KDR731
Q809 KTC4075E(Y,GR)
Q810 2SC4116(GR)F
Q811 2SA1586(Y,GR)F
IC817 TC75S51FE(F)
D809 KDR731
D810 MC2850
BLOCK DIAGRAM
Q203 Q204
2SC5455-A RFM01U7P
PRE DRIVE DRIVE AMP
50T
PROTECT
D301
UDZW5.1(B)
LPF
IC401
NJM2591V
Q405 XF401
KTC4080E-P L71-0655-05
IF IC IF AMP MCF
1st IF
50R
49.95MHz
CD401
L79-1866-05
50C
CD
DETAF
50C
Q404 RT1P441U-T111
SW
Q401 RT1N441U-T111
WID/NAR
BPF1
PC
IC815
DC
TA7368FG
AMP
AF
IC811
VOLOUT
AMP
HA1630D03MM
2SK3577-A
33M
VOX
VOX
TK-3312/3317
Q205 D201,D202 HVC131
RD07MUS2BT112 D203,D204 RN142S
FINAL AMP ANT SW
50T
Q306
RT1P441U-T111
DC
DC SW
SW
Q301
RT1N140U-T111
Q305
DCSW
2SK1824-A
APC DC SW
IC301
NJM2904RB1-ZB
+B
DC SW
Q303
Q304
2SK1830F
RT1N141U-T111
DC SW
50T
APCSW
D403,404,D405 Q407
HVC350B 3SK293-F
BPF RF AMP
MIXER
Q406
3SK318
50R 50R
BPF1
Q816
UPA672T-A
TXD
LEVEL
CONVERTER
50M
Q815
UPA672T-A
LEVEL
PTT/RXD
CONVERTER
33M
EMPTT
Q822
DC
RT1N141U-T111
SW
EXTMICSW
Q819
2SK3577-A
MUTE MUTE
SW SW
Q818
Q817
RT1N441U-T111
DC
Q814
SW
2SB1694
DC
SW
DC
SW
SB
Q813
RT1N141U-T111
AF-MUT
UHF:
450MHz~
520MHz
ANT
LPF
PC
D407,D408
HVC350B
BPF
INT-SP
J802
E11-0703-05
AE
TXD
SPI
SPO
PTT/RXD
MICIN
MICOUT
OPTDED
OPTDET
50V
50V
INT-MIC
T91-0672-05
MIC
45