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Kenwood KTC-SR901 Service Manual

Sirius satellite radio tuner
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SIRIUS SATELLITE RADIO TUNER
KTC-SR901
QQ
3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
www
.
Cord with plug
(E30-4138-05)
Screw set
(N99-1623-05)
x
ao
y
i
8
Metallic cabinet
(A01-2786-02)
Q Q
3
6 7
1 3
Magic tape
(H30-0051-05)
u163
.
2 9
9 4
2 8
© 2002-3 PRINTED IN JAPAN
B51-7925-00 ( N ) 1474
1 5
0 5
8
2 9
9 4
Mounting hardware
(J21-3801-04)
Accessory
(W01-0744-05)
m
co
9 9
2 8
9 9

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  Summary of Contents for Kenwood KTC-SR901

  • Page 1 SIRIUS SATELLITE RADIO TUNER KTC-SR901 3 7 63 1515 0 SERVICE MANUAL © 2002-3 PRINTED IN JAPAN B51-7925-00 ( N ) 1474 Metallic cabinet (A01-2786-02) L 13942296513 Cord with plug Magic tape Mounting hardware (E30-4138-05) (H30-0051-05) (J21-3801-04) Screw set Accessory...
  • Page 2: Block Diagram

    KTC-SR901 BLOCK DIAGRAM 3 7 63 1515 0 60MHz IC11 IC10 FLASH ANTENNA SDRAM SRAM SRAM 8.192MHz (OPTION) IC23 TDMRC COFDM DATA AUDIO IC30 BUFFER ANTENNA DETECT IC24 IC25 ISO- IC34 u-COM IC12 AUDIO 8V IC22 BIAS IC15 DAC 5V...
  • Page 3 KTC-SR901 3 7 63 1515 0 COMPONENTS DESCRIPTION Ref.No. Element/Function Operation/Condition IC11 1M SRAM External RAM for IC9 IC12 8V Regulator Power supply for audio system IC13 Power supply for antenna IC14 3.3V Regulator Power supply for A1 (tuner module)
  • Page 4: Microcomputer's Terminal Description

    KTC-SR901 3 7 63 1515 0 MICROCOMPUTER'S TERMINAL DESCRIPTION X14-6900-10 Pin No. Pin name Description Processing Operation DATAH2 5L I/F to CD_CH HCLK2 5L I/F to CD_CH Not connect EVDD Power supply for port EVSS Ground for port 8, 9...
  • Page 5 PC BOARD (COMPONENT SIDE VIEW) PC BOARD (FOIL SIDE VIEW) 3 7 6 3 1 5 1 5 0 X14-6900-10 (J74-1312-12) X14-6900-10 (J74-1312-12) TO HEAD UNIT TO CHANGER R211 C225 R218 C222 R217 C226 R216 R160 R215 DGND C224 UART FRAME C220 SI SCK GND...
  • Page 6 (X14-6900-10) UN5213 3 7 6 3 1 5 1 5 0 UN5215 +3.3V +3.3V TUNER L1 1uH D3.3V L2 1uH 2.5V D2.5V DTA124EUA VCC LNA C130 DTC124EUA 0.01 C18 180P C31 180P ANT CHECK DTC144EUA VMAIN 3.3V C19 0.1 C32 0.1 C20 1000P C33 1000P C12 1000P...
  • Page 7 3 7 6 3 1 5 1 5 0 +3.3V +3.3V D2.5V D2.5V D3.3V D3.3V 2.5V 3.3V 3.3V 3.3V 3.3V 3.3V CDA8 3.3V C123 MRCD2 3.3V 3.3V 3.3V MRCD3 D3.3V 3.3V D3.3V CDA7 AB15 3.3V CDA6 DB15 CDA5 CSINTN AB14 CDA4 3.3V DB14...
  • Page 8 DAP RST 3-STATE BUFFER R200 BU14V IC30 3.3V D3.3V Q50,51 3.3V 3.3V BU14V 3.3V KTC-SR901 D1,46 : 1SS294 IC1 : 70F3033AGC0P7 IC14 : UPC2933AT Q1,11,51 : 2SK3018 3.3V to CD CH to HEAD UNIT D5,30,44 : 1SR154-400 or IC2 : CDADSE-P-I-DB...
  • Page 9: Exploded View (Unit)

    KTC-SR901 3 7 63 1515 0 EXPLODED VIEW (UNIT) φ 3x8 N80-3008-45 φ 2.6x6 N89-2606-46 φ 3x6 N89-3006-45 M3x8 N35-3008-46 φ 2.6x5 N83-2605-46 L 13942296513 u163 Parts with the exploded numbers larger than 700 are not supplied.
  • Page 10: Parts List

    KTC-SR901 PARTS LIST 3 7 63 1515 0 ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Dest Dest Ref. No.
  • Page 11 KTC-SR901 PARTS LIST 3 7 63 1515 0 ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. DIGITAL TUNER UNIT (X14-6900-10) Teile ohne Parts No. werden nicht geliefert.
  • Page 12 KTC-SR901 3 7 63 1515 0 PARTS LIST ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. DIGITAL TUNER UNIT (X14-6900-10) Teile ohne Parts No. werden nicht geliefert.
  • Page 13 KTC-SR901 PARTS LIST 3 7 63 1515 0 ∗ New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. DIGITAL TUNER UNIT (X14-6900-10) Teile ohne Parts No. werden nicht geliefert.
  • Page 14: Specifications

    Installation size (W) × (H) × (D) ........179.6 × 30.0 × 159.6mm 7-1/16 × 1-3/16 × 6-1/4in. Weight ..................1.543lbs (700g) KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. L 13942296513 KENWOOD CORPORATION...