Kenwood TK-2180 Service Manual page 67

IC504
AT24256N10SI27
D500
E2PROM
MA2S111
D501,502 IC503
1SS388 RV5C386A
SCL
5M
CHARGE RTC SDA
INTRA
A0 D0
IC500
A2 D2
AT29C040A
A3 D3
-90TI
A4 D4
A5 D5
A6 D6
A7 D7
A8 WR
A9 RD
A10 CSO
A11
A12
A13
A14
A15
A16
A17
A18
Q6,Q7: 2SK508NV(K52)x2
D9,13 (RX): 1SV325x2
D5,7,10,11 (TX): 1SV323x4
D17: 1SV278
Q10
2SC5108(Y)
7(S) MD
E BUFF
VCO
R AMP
BUFF
AMP
LOOP
x2
FILTER
D3,4
RF SW
HVC131x2
30
IC1
ADF4111BCP7
PLL
O
L2,L6 BPF
Hz
DT
UL
PCK
RF SW
D1,2
PLE
HVC131x2
IC600 Q203
TC75W51FK(1/2) 2SK1824
DET
DET
MUTE
AMP
Q201 IC200
DMUTE
2SC4617 (TA31136FN)
NOISE NOISE
AMP AMP
D201
455kHz GF(N)
DAN222
RF SW
455kHz F(W)
BLOCK DIAGRAM
TOP PANEL
EN1~4
Q621 VOL
5M
2SC4649(N,P)
SHIFT/MODEL
SW
X500
11.0952MHz
BATTLVL
INT
IC502 RST
30625MGP
PSW
MICROPROCESSOR
DSTB
TXD 1
LSDO
PLE
VOL
5RC
RXD 1
5TC
SHIFT/MODEL
ASQ
AFDAT
AFDIO
LSDIN
PCK
OPT1
UL
SAVE
OPT2
RSSI
BEEP
OPT3
PF
AFDIR
OPT6
HSDI
W/N
TCLK/DTRDO
AUX
SBC
BB. SFT
MAN-DN IN
APC/TV2
RXD
HSDO
AFSTD
STSW
AFRTM
DMUTE
SSW
AM2
BATTSEL/VOX
VOX
THP/VCO ADJ
PTT
Q13 D100,205
2SC5108(Y) HSC277x2
BUFF T/R
AMP SW
Q2
2SC4738(GR)
2SC5108(Y)
DSW
LPF
BPF L3,L7
Q14
T/R
DTA144EE
SW Q1
IC200
DTC144EE
TA31136FN 2SC4649(N,P)
T/R
FM IF
SYSTEM
Q202
2SJ243
W/N SW
W/N
CF200
D203
DAN222
RF SW
CF201
Q200
59.395MHz
HN1L02FU
SW
SB1
Q401
DC
SW SSM3K15TE
D404 5M
MA2S111
SB2
PROTECT SB2
Q502
SSM3K15TE
DC SW
IC405
RESET
S-80942CNNBG9C
Q409
2SJ347
SPSTB
VCOADJ
SBC
DC SW
LEDR
DTC144EE
REDG
MMUTE
SAVE
TXD
DTRLOADN
LSW 5R
APCSW
DSW
5RC
5UC
BSTE/VOXSW
2SA1955(A)
OPT 4
OPT 5
5T
T/R
AM1
IC404
DT
TC75S51FE
CK
BUFF
5TC
Q102 Q105
Q101
2SK3077 2SK2596 2SK2595
DRIVE DRIVE FINAL
AMP AMP AMP
Q104
5T
DC
+B
SW
CURR
DC
Q108
DET
SW
2SK1824
IC100
TA75W01FU
DC
Q106
APC/TV2
PROTECT
DTC114EE SW
Q107
2SK1824
APCSW APCSW
TV1
Q205 XF200 Q206
3SK318
59.85MHz
1st
IF AMP
MCF
MIXER
Q204
DTA144EE
W/N
SW
CD200
X200
455kHz
TK-2180
IC400
XC61CC5602NR
INT
Q407: 2SK1830
IC402
Q408: 2SA1955(A)
XC6204B502MR
DC SW
AVR
SBC
IC403
XC6204B502MR
AVR
5C
IC401
TK11250CUCB
5CNS AVR
Q404
Q405
SBC
2SJ347
IC406
5A TK11250CUCB
AVR
DC SW
Q406
SBC
SB2 DC SW
DC SW
SBC
D106,D107
D211,D213
HVC131x4
5T
D207,208 D209,D210
1SV305x2 1SV305x2
TUNE TUNE
TV1
Q207
3SK294
L217
RF
BPF
BPF BPF
AMP
L215,216
L211,214
TV2
5R
D402
1SR154-400
PROTECT
F400
FUSE
+
BATT
7.5V
+B
–
Q402
2SK1830
Q403
2SA1955(A)
136~174MHz
ANT
LPF
SW
L111,112,113
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