Kenwood TK-3360 Service Manual page 37

F
TX-RX UNIT (X57-7790-10)
+B
50T
50V
50R
TMP
50C
BSEL
50M
VOLIN
50TC
33MS
EN4
EN3
EN2
EN1
50RC
33BC
50CC
50VC
33MSC
LEDR
LEDG
LEDB
33M
EMGKEY
SIDE1
SIDE2
R835 0
R836 0
R837 0
R823
47k
R824
910k(D)
R825
120k
R826
0
R827
33M
0
100
RESET
INT
B-SHIFT
ON:3.3V
OFF:0V
33M
R838
0
R839
SB
22k
R842
1k
C842
0.1u
SIDETONE
TXTONE
NARROW
WIDE
MOD2
RSSI
ASQL
VOX
SB
33B
PTT
G
SCHEMATIC DIAGRAM
3.3V
76
77
MDTXD
78
NC MDCLK
79
NC
80
TMP
81
VOLIN
82
VOX
83
ASQL
84
RSSI
85
LSDI
86
BATT
87
MCU
NC
88
IC809
NC
F3640MDFBKDKA
89
NC
90
NC
91
BSEL
92
NC
93
NC
94
AVSS
95
HSDI2
96
VREF
97
AVCC
98
NC
99
SIM1
SIM2
C850
470p
C849
0.1u
R854
0
R856
0
L77-3049-05
12.0MHz
BEAT SHIFT SW
Q806
2SC4919-S
BEAT SHIFT SW
R846
10k
HSD AMP
1 8
VoUT1 VDD
2 7
VIN1- VoUT2
3 6
VIN1+ VIN2-
4 5
VSS VIN2+
IC808
HA1630D03MM
AF AMP
H
C855
0.1u
C856
470p
50
49
33MSC
48
33BC
PLLLD
47
PLLCLK
46
PLLLE
45
PLLDAT
44
CE
43
DACCE
42
TX
41
EXTMICSW
40
MDSW
39
EPM
38
OPTDET
37
PTT
36
EEPCLK
35
EEPTXD
34
NC
33
NC
32
BUSY
31
CLK1
30
RXD1
29
TXD1
28
NC
27
EEPCS
NC
26
PULL UP
RESET
CNVSS
VCC1
R867
X802
10k
C961
6800p
Q807
2SC4919-S
C851
R857
180 0.01u
C852
R861
0.01u
100k
VOXSW
BBTXD
BBCLK
BBRXD
BBCS
BBIRQ
VOXM
12.0MHz
I
TK-3360
CP820
RK75HA1J102J
R866
1k
CP807
RK75HA1J102J
EEPTXD
EEPCLK
3.3V
HPF
C948
IC816
1800p
HA1630D03MM
C946
1 8
C949
VoUT1 VDD
1000p 2 7
VIN1- VoUT2
1000p
C947
3 6
C950
VIN1+ VIN2-
1800p 4 5
VSS VIN2+ 2700p
3.3V
J
+B
50T
50V
50R
TMP
50C
TX
PDSW
DCSW
APCSW
MICM
50M
33MS
EXTMICSW
AFSW
33M
PLLLE
PLLDAT
PLLCLK
PLLLD
CE
MDSW
MDSW GND
EMP
DACCE
OPTDET
PTT/RXD
TXD
EEPROM
IC810
EX25064ASA00A
C861
470p
DGND
C951
C962
2700p 6800p
LSDO
DISCFB
33MS
VOXSW
BBTXD
BBCLK
BBRXD
BBCS
BBIRQ
VOXM
12.0MHz
SIDETONE
TXTONE
NARROW
WIDE
MOD2
RSSI
ASQL
VOX
SB
33B
PTT
37
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