Kenwood TK-3360 Service Manual page 38

K
TK-3360
+B
50T
50V
50R
TMP
50C
TX
PDSW
DCSW
APCSW
MICM
50M
33MS
EXTMICSW
AFSW
33M
CP1
PLLLE
PLLDAT
PLLCLK
PLLLD
RK74HB1J101J
33MS
X1
L77-3050-05
1.6V
16.8MHz
1 4
VCoNT VCC
2 3
GND oUTPUT
R6 R7
47k 10k
DACCE
OPTDET
PTT/RXD
TXD
R887
33MS
C876
C874
C877
R876
1k
37
38
R875 39
DGND
0 40
XTALN
R874 41
DVDD
10 42
CoMMANDDATA
3.3V
43
REPLYDATA
C866
44
NC
22u10 45
DVSS4
46
SERIALCLoCK
47
SYSCLoCK2
48
CSN
3.2V
DVDD
DVSS
LSDO
DISCFB
33MS
VOXSW
BBTXD
BBCLK
BBRXD
BBCS
BBIRQ
VOXM
12.0MHz
SIDETONE
TXTONE
NARROW
WIDE
MOD2
RSSI
ASQL
VOX
SB
33B
PTT
38
X57-779 3/6
L
SCHEMATIC DIAGRAM
7
LD
CP2
8
RK75HA1J103J
PDN2
9
PDN1
10
R9
REFIN
11
100 TEST2
12
TEST3
L1
C7
R8
4.7u 0 0.01u
3.3V
16.8MHz
10
10u
C881
0.1u
0.1u
C884
1000p
3.2V
1u
24
MoD2
23
MoD1
22
DVSS3
AVSS1
VDEC2 21
MIC
XTAL/CLoCK
20 C885
MICFB 100p
BASE BAND IC 19
ALTFB
IC812
18 C886
CD686Q3
ALT 220p
17
DISCFB
16 C887
DISC 100p
15
GPIo2
DVSS2
14
SYSCLoCK1
13
C878
0.01u
C879
C882
10u
470p
M
5.0V
R16
10
24 R19
CPVSS
23 R17 680
SWIN
PLL SYSTEM 0
22
CPZ
IC1 21
AK1541
CP
20
PVSS
19 R14
BIAS
33k
3.2V
R15 33MS
10
MOD1
DACCE
R890 R892
27k 0
C965 2700p
R947 10k R897 10k
R898 0
C888 100p
R893 0 R902
R896 15k
100k
R894
C892
100k R899
470k 1u
R895
C893
220k R900
470k 1u
LSDO
DISCFB
TXTONE
MOD2
N
TX-RX UNIT (X57-7790-10)
MICM
50M
EXTMICSW
AFSW
33M
5.0V
CV(A)
R20
0
16.8MHz
DC AMP
IC811
TC75S51FE(F)
1 5
IN+ VDD
2
VSS
3 4
IN- oUT
C873
1000p
R884
560k
5 16
RSTN VIN3
C958
6 15
CSN VoUT3
IC817
7 14 1u
AK2331
SCLK VoUT2
8 13
SDATA VIN2
IC817
ELECTRICAL
VOLUME
C954 C956
4.8V
0.1u
0.1u
C957
3.3V
2.2u
5.0V
SIDETONE
O
+B
50T
50V
50R
TMP
50C
TX
PDSW
DCSW
APCSW
RXAST
TXAST
MOD2
PC/BPF
OPTDET
PTT/RXD
TXD
50M
33M
16.8MHz
VOXSW
DETAF
AUDIO
MICM
VOXM
EXTMICSW
AFSW
NARROW
WIDE
MICFB
RSSI
ASQL
VOX
SB
PTT