Kenwood KTF-2010 Service Manual page 7
Am-fm stereo synthesizer tuner
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Also See for KTF-2010:
- Instruction manual (20 pages) ,
- Service manual (20 pages) ,
- Instruction manual (21 pages)
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2-2 Pin function
Pin No.
Pin Name
1
2~8
9
10
11,12
13
14,15
16
17,18
19
20
21
/HIGH BLEND
22
23
/2080,3080
24
25
26
PLL_DO
27
28
PLL_DATA
29
PLL_CLK
30
/T_MUTE
31
32
S_LEVEL
33
N_LEVEL
34
35
36
RDS_CLK
37
RDS_DATA
38,39
40
41,42
43
/STEREO
44
45
TUNING
46
47~52
53
/IF_BAND
54
/RF_ATT
55
56
57
58
59
HIGH_BLEND_LED
60
WIDE_LED
61
NARROW_LED
62
ATT_LED
63,64
65~70
71~73
74~76
SEG16~14
77
SEG13/KS5
78
SEG12/KS4
79
80~82
SEG11~9/KS3~1
83~90
91~100
GRID1~10
CIRCUIT DESCRIPTION
I/O
Vdd
–
Power supply(+5V)
–
I
No use
/CE
I
Chip enable
/RESET
I
Microprocessor reset
X1,2
I
Main clock oscillator
IC(Vpp)
–
Connect to VSS
XT1,2
I
Vdd
–
Power supply(+5V)
–
I
No use
SBUSY
I/O
Serial busy signal
SDATA
I/O
Serial data signal
I
Hi blend
8/16
O
XS8/SL16 selector
I
model selector
POWER
O
POWER detection
Avss
–
A/D converter gnd
I
PLL DO
PLL_CE
O
PLL chip enable
O
PLL data detection
O
PLL clock
O
TUNER mute
–
I
No use
I
Signal level
I
Noise level
Avdd
–
A/D converter analog voltage
Avref
–
A/D converter standard voltage
I
RDS demodulator IC clock
I
RDS demodulator IC data
–
I
No use
Vss
–
Gnd
–
I
No use
I
STEREO pilot detection
/SD
I
SD pilot detection
O
To stop noise level detection in tuning
Vdd
–
Power supply(+5V)
–
I
No use
O
IF BAND selector
O
RF_ATT selector
ANT_B
O
Antenna–B control
ANT A
O
Antenna–A control
ENC_B
I
Encoder counterclockwise detection
ENC_A
I
Encoder clockwise detection
O
HIGH BLEND LED
O
WIDE LED
O
NARROW LED
O
ATT LED
–
I
No use
KR6~1
I
Key return 6~1
–
O
No use
O
FL segment output16~14
O
FL segment output13/key scan5(TUNER selector)
O
FL segment output12/key scan4
Vload
–
FL controller/driver pull down resistor
O
FL segment output11~9/key scan3~1
SEG8~1
O
FL segment output8~1
O
FL grid output1~10
Global electronic heritage manuals
KTF-2010/3010
Descriptions
–
30/3/2014
L : CE detection
L : RESET
L : HIGH BLEND
L : SL16
L : KTF–2010
L : STANDBY
L : MUTE ON
H : TUNING
L : WIDE
L : ON
H : ANT B
H : ANT A
H : LED ON
H : LED ON
H : LED ON
H : LED ON
7
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