Kenwood TK-8180 Service Manual page 76

Q307: 2SK508NV(K52)
308,D311,D314: BB664*2,1SV278
Q312
Q310
2SC4617(S)
DTC114EE
5CL
Ripple
T/R
IN V
Filter
Q311
2SC5108(Y)
Buff AMP
Q306: 2SK508NV(K52)
D309,D313: BB664*2
Q301
T/R
2SC5108(Y)
GR)
BPF *2
5C
7
5C
CF171
D172
CF
E DAN235E
CF SW Q172
SW
CF172
2SC5108(Y)
IF AMP
CF
IC172
FM IC
TA31136FN 5R
Q178
X171
DTA144EE
4.395MHz
RSSI
CD SW
W/N
5C
CD171
IC407
TC75W51FU(2/2)
AMP
IC406
TC75W51FU
AFO
LPF COMP HSDI
DI
5C 5C
RXAF
:
5C
IC415
Audio processor
AQUA-L
Xin
3.6864MHz
Xout
5M
Flash ROM
IC405
AT29C040A-90TI AT24256N10SI27
RTCL/
D, AFSTD, A [0:18], D [0:7]
EEPCL
RDO, RD, WR,
AFDIO CS0
CK, AFDIR
µ-com
IC404
30625MGP-***GP
T2,
T4,
TX
450~520MHz
ATT
5C
Q313
8T
2SC5108(Y)
Buff AMP
T/R
D315,D316
LPF
SW HVC131*2
5C
5R
RX Local
405.15~475.15MHz
LPF
Q171
2SC5108(Y)
XF171 IF AMP XF171
MCF MCF
2Pole 2Pole
5R
DEO
AF
MOD
IC412
TC75W51FU(1/2)
DAC
MOD
IC410
M62364FP
5C
LSDO
BAL
IC409
TC75W51FU(1/2)
5C
X403
DI
IC407
TC75W51FU(1/2)
5C
5M 5M
DT,CK,DSTB
EEPROM RTC
X401
IC401
IC402
32.768kHz
RV5C386A
DT, CK,
RTDT/ INTRA
PCK, PLE,
EEPDAT
TXC, RXC, SBC
T/R, W/N,
DMUTE,
RECSRC/SELF,
AM, AM2
EMTON,
DSTB,
APC,
HSDO,
LSDO,
BEEP
MM1, MM2
H/L,
STSW
SPSTB1, SOE,
CK, DT
BLOCK DIAGRAM
Q2
Q1
2SC5108(Y) 2SC5192 RA30H4452M
ATT
8T 8T
+B
TH1
GSW
S1R104J475H
IC72
TEMP
TA75W01FU(1/2)
DET
8T
TA75W01FU(2/2)
8T THP
DC
IC71
TA75W01FU(1/2) AMP
ATT
PC 8T
TV
TUNE
Q103
IC171 2SC3357
SPM5001 RF AMP
BPF
Mixer
D103,D104
8R
D105,D106
5R
1SV286*4
5C
SIDE TONE
DEO
AF
IC408
TC75W51FU(1/2)
FC
MB
IC408
TC75W51FU
5C
(2/2)
5C
IC411
LMC7101BIM5
D702,D703,D709,D710
TV
1SS355,02DZ18(X,Y)
10CL
AUXO1~
MP
AUXO2
AUXI/O1~
AUXI/O9
D413,D414
DA204U
Surge
Protect
TXD1,RXD1
TXD2,RXD2
RS232
DRIVER
5C
IC416
ADM202EARN
AUX I/O1~
AUX I/O9
AUXO1
5M
PA
Shift Register HOR
IC403 SCSW
BU4094BCFV CFSW
AUXO2
GSW
TK-8180
D3: XB15A407A2GB
IC1 D2: XB15A709
D111: HVC131
POW ANT
LPF
AMP SW
8T
GATE
Q3
POW POW
SW DTC114EE
DET DET
D6 D7
PO DET
HSM88AS HSM88AS
APC
IC71
DC
DC GAIN
AMP
PO REF
AMP SW
IC72
TA75W01FU
8T
MP
(2/2)
H/L
8T
HiPo: 0V/LoPo: 5V
HPF
D107,D108
D109,D110
1SV291*4
Q419
DTC363EU AF AMP
MUTE
SW
IC417
TA7252AP
INV
AM
Q418
DTC114EE
Surge
Protect
D704~D708
D711~D713,D412
DA204U
Surge
Protect
OPT3 2
TXD1,RXD1
TXD2,RXD2
TXD1 4
OPT4 6
OPT5 8
AGND 10
AFO
DEO
MI2
DI
OPT2 20
ME
RXEO 22
SB
GND
POW
DET
D8
HSM88AS
Q72
2SK1824
1
SB
SPI
SPO
PA
HOR
GND
6
EXT.
SP
SP
ACC 26pin
1 OPT1
3 RXD1
5 CLK
7 USEL
9 DGND
AI 12 11 AO
5E 14 13 AGND
DTI 16 15 STON
NC 18 17 TCTL
19 AUDIH
21 TXO
TXI 24 23 RXEI
8C 26 25 OPT6
71