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Kenwood KTF-2010 Service Manual

Am/fm stereo synthesizer tuner
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AM-FM STEREO SYNTHESIZER TUNER
KTF-2010/3010
QQ
3 7 63 1515 0
SERVICE MANUAL
Illustration is KTF-2010.
KENWOOD badge
(B43-0302-04)
AM-FM STEREO SYNTHESIZER TUNER KTF-2010
ON/STANDBY
TE
L 13942296513
Metallic cabinet
(A01-3559-01)
www
How to reset the microcomputer
The microcomputer may malfunction (impossibility operation,erro-
neous display,etc.)when the power cord is unplugged and plugged
in again while the unit is in ON mode with the Key pressed or due
.
to other extern al causes.In this case,execute the procedure on the
right to reset the microcomputer and return the unit to the normal
condition
HIGH
WIDE
NARROW
ACTIVE
ANT A/B
RECEPTION
IF BAND
RF ATT
RF
PTY/
MEMORY
TA/NEWS
PTY SEARCH
DISPLAY
1
2
Panel
(A60-1336-02)
Phono jack
(E63-0068-15)
OUTPUT
ANTENNA
FM 75Ω
GND
AM
L
R
Lock terminal board
(E20-0321-05)
x
ao
y
i
8
Front glass *
(B10-)
BLEND
ATT
AUTO/MANUAL
+
10/CLEAR
3
4
5
6
7
8
9
0/CHARA
Knob
(K29-6882-03)
Q Q
3
6 7
1 3
Miniature phone jack
(E11-0188-05)
SYSTEM
CONTROL
ƒ
SL16 XS 8
Slide switch
(S31-2132-05)
Unplug the power cord form the wall outlet.
While pressing and holding the (ON/STANDBY) key,
u163
plug the AC cord into the wall outlet again
.
•Resetting the microcomputer clears the memory you entered and
returns in to the initial condition when the unit left the factory.
2 9
9 4
2 8
© 1998-1/B51-5407-00 (K/K) 2106
TUNING/MULTI CONTROL
BAND
P. CALL
DOWN
Knob
(K29-6883-04)
1 5
0 5
8
2 9
9 4
AC power code*
(E30-)
Power cord bushing
(J42-0083-05)
* Refer to parts list on page 18.
m
co
9 9
UP
2 8
9 9

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  Summary of Contents for Kenwood KTF-2010

  • Page 1 AM-FM STEREO SYNTHESIZER TUNER KTF-2010/3010 3 7 63 1515 0 SERVICE MANUAL © 1998-1/B51-5407-00 (K/K) 2106 Illustration is KTF-2010. KENWOOD badge Front glass * (B43-0302-04) (B10-) AM-FM STEREO SYNTHESIZER TUNER KTF-2010 HIGH BLEND TUNING/MULTI CONTROL WIDE NARROW ACTIVE ANT A/B RECEPTION IF BAND...
  • Page 2: Accessories / Controls

    Signal indicator Receiving band indicator Frequency display Magahertz indicator Preset channel display EON indicator STATION NAME display Display 3 4 5 AUTO/MANUAL with the KTF-2010 AM-FM STEREO SYNTHESIZER TUNER KTF-3010 HIGH BLEND TUNING/MULTI CONTROL WIDE NARROW ACTIVE ANT A/B RECEPTION...
  • Page 3: External View

    KTF-2010/3010 EXTERNAL VIEW 3 7 63 1515 0 Illustration is KTF-3010. KENWOOD badge Front glass (B43-0302-04) (B10-2449-03) AM-FM STEREO SYNTHESIZER TUNER KTF-3010 HIGH BLEND TUNING/MULTI CONTROL WIDE NARROW ACTIVE ANT A/B RECEPTION IF BAND RF ATT BAND PTY/ MEMORY TA/NEWS...
  • Page 4: Circuit Description

    KTF-2010/3010 CIRCUIT DESCRIPTION 3 7 63 1515 0 1. Test mode •The FL shows the normal mode by pressing the key and the switch except the MEMORY and the Slide switch. 1-1. Test mode with the main unit keys Display ex.
  • Page 5 KTF-2010/3010 CIRCUIT DESCRIPTION 3 7 63 1515 0 1-3. Initial settings RDS DISPLAY MODE : FREQUENCY DISPLAY a) Setting procedure MODE TA / NEWS / TA, NEWS : OFF • If the unit has a back-up function, hold down the POWER...
  • Page 6 KTF-2010/3010 CIRCUIT DESCRIPTION 3 7 63 1515 0 2. Microprocessor : µPD780206GF031 (IC9) 2-1. Pin connection ED 1 FL DISPLAY HIGH BLEND LED ATT LED NARROW LED KEY MATRIX WIDE LED IC 7 Q1, 2 IC 9 ANTENNA A/B RDS DEMODULATOR IC...
  • Page 7 KTF-2010/3010 CIRCUIT DESCRIPTION 3 7 63 1515 0 2-2 Pin function Pin No. Pin Name Descriptions – Power supply(+5V) – No use Chip enable L : CE detection /RESET Microprocessor reset L : RESET 11,12 X1,2 Main clock oscillator IC(Vpp) –...
  • Page 8 When TUNER PCB (X05-) is disconnected from main unit,connect PCB's GND (ANT shield plate) and main unit chassis using aligator clip. Then, check TUNER PCB. TUNER SETTINGS KTF-2010 : AUTO, 98.0MHz KTF-3010 : AUTO : WIDE, RF ATT OFF : 98MHz OUTPUT...
  • Page 9 (X05-484X-XX) (A/4) +12V +12V +12V 3 7 6 3 1 5 1 5 0 C27 0.01 R44 100 R137 C249 10P Q12~15 100P W: 0V 3.3K R24 51K A1 (W02-2512-05) KT-2010 (M1,X1) TYPE 3.5V N:4.3V IF AMP (ANT A) SENSITIVITY RF AMP DISTORTION 0-150...
  • Page 10 1.5V +12V IFT : R12 P194A 3.2V 12.3V 2.4V 2.8V (12.4V) 3.9V (2.5V) (2.2V) (J)TYPE ONLY AM STEREO (3.8V) DE-EMPHASIS KTF-2010/3010 (1/2) C197 0.01 R269 15K 12.3V R261 (12.4V) SGND DISCRIMINATOR BUFFER R262 NOISE METER 100K BUSY 1.2V R175 C121...
  • Page 11 The DC voltage is an actual reading measured with : 10-BT-202GX a high impedance type voltmeter as the AM/FM sig- nal generator is specified to the conditions as KTF-2010 (X05-484X-XX) w w w W228 shown in the list below. The measurement value...
  • Page 12 PC BOARD(Component side view) OUTPUT FM75Ω SYSTEM 3 7 6 3 1 5 1 5 0 CONTROL X05-484X-XX A/4 C118 SL16 C109 R403 R402 C128 W237 HI-BLEND R102 R103 SEP. C185 C195 1 3 9 4 2 2 9 6 5 1 3 X05 C/4 R297 C193...
  • Page 13 3 7 6 3 1 5 1 5 0 3x8 (BLK) : N89-3008-45 2.6x8 : N82-2608-46 3x23 : N89-3023-46 : N09-1445-05 SYSTEM CONTROL OUTPUT SL16 XS8 GND AM ANTENNA FM 75 ACTIVE RECEPTION BAND S 6 S 5 S 4 S 3 X05-484 DISPLAY MEMORY...
  • Page 14 Ref. No Parts No. Description Ref. No Parts No. Description ress Parts nation marks ress Parts nation marks KTF-2010/3010 (KTF2010: E,M1,X1,T1/KTF3010: E1,T2) T90-0195-05 LOOP ANTENNA T90-0809-05 LEAD WIRE ANTENNA A01-3559-01 METALLIC CABINET A22-1793-01 SUB PANEL TUNER (X05-4842-70) A60-1336-02 PANEL A60-1356-02 PANEL...
  • Page 15 3 7 6 3 1 5 1 5 0 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 16 3 7 6 3 1 5 1 5 0 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 17 3 7 6 3 1 5 1 5 0 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 18 3 7 6 3 1 5 1 5 0 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 19: Specifications

    KTF-2010/3010 SPECIFICATIONS 3 7 63 1515 0 KTF-2010 KTF-3010 FM tuner section FM tuner section Tuning frequency range......87.5 MHz ~ 108 MHz Tuning frequency range......87.5 MHz ~ 108 MHz (For Russia) ........65.0 MHz~74 MHz (For Russia) ........65.0 MHz~74 MHz 87.5 MHz~108 MHz 87.5 MHz~108 MHz...
  • Page 20 KTF-2010/3010 3 7 63 1515 0 L 13942296513 KENWOOD follows a policy of continuous advancements in development. For 14-6,Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150 Japan this reason specifications may be changed without notice. KENWOOD SERVICE CORPORATION P.O BOX 22745, 2201 East Dominguez St., Long Beach, CA 90801-5745, U.S.A.

This manual is also suitable for:

Ktf-3010