Toyota CQ-LS7230K Service Manual

Am/fm mpx electronic tuning radio with stereo cassette tape player

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Specification*
General
Power Supply
Current Consumption
Power Output
AM Radio
Frequency Range
Usable Sensitivity
Signal to Noise Ratio
FM Stereo Radio
Frequency Range
Usable Sensitivity
Signal to Noise Ratio
DC 12V (11V - 16V),
Test Voltage 26.4V
Negative Ground
Less than 3.0A
20W×4ch
531 - 1,602kHz
30dB(µV) (S/N 20dB)
45dB or more
87.5 - 108.0MHz
7dB/µV (S/N 30dB)
50dB or more
CQ-LS7230K
AM/FM MPX Electronic Tuning Radio
with Stereo Cassette Tape Player
PART No.
: 86120-02360
VEHICLE
: COROLLA
DESTINATION
: INDIA
PRODUCED AFTER : Nov., 2002
Cassette Player
Reproduction System
Tape Speed
Wow and Flutter
Signal to Noise Ratio
Dimensions**
Weight**
* Specifications and the design are subject to possible modification
without notice due to improvements.
** Dimensions and Weight shown are approximate.
Dolby noise reduction manufactured under license from Dolby
Laboratories Licensing Corporation.
"Dolby" and the double-D symbol
Laboratories Licensing Corporation.
4-Track, 2-Program Stereo
4.76cm/sec.
Less than 0.09% (WRMS)
40dB or more
178×50×165mm
1.3kg
are trade marks of Dolby

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Summary of Contents for Toyota CQ-LS7230K

  • Page 1 CQ-LS7230K AM/FM MPX Electronic Tuning Radio with Stereo Cassette Tape Player PART No. : 86120-02360 VEHICLE : COROLLA DESTINATION : INDIA PRODUCED AFTER : Nov., 2002 Specification* General Cassette Player Power Supply DC 12V (11V - 16V), Reproduction System 4-Track, 2-Program Stereo Test Voltage 26.4V...
  • Page 2: Table Of Contents

    CQ-LS7230K CONTENTS Page Page 1 FEATUERS 9 ALIGNMENT POINTS 2 REAR VIEW AND CONNECTORS 10 REPLACEMENT PARTS LIST 3 FRONT VIEW AND FUNCTIONS 11 EXPLODED VIEW (Unit) 4 WIRING CONNECTION 12 TAPE PLAYER PARTS 5 BLOCK DIAGRAM 13 EXPLODED VIEW (Tape Deck)
  • Page 3: Front View And Functions

    CQ-LS7230K 3 FRONT VIEW AND FUNCTIONS...
  • Page 4: Wiring Connection

    CQ-LS7230K 4 WIRING CONNECTION...
  • Page 5: Block Diagram

    CQ-LS7230K 5 BLOCK DIAGRAM...
  • Page 6: Terminals Description

    CQ-LS7230K 6 TERMINALS DESCRIPTION 6.1. Main Block AN NK Not used MODE B Not used IC601 : C2BBGE000647 MODE A Not used +5V power supply Port Description Crystal oscillatorv terminal Crystal oscillatorv terminal LCD-CL Clock for LCD data Ground LCD-DI...
  • Page 7: Package And Ic Block Diagram

    CQ-LS7230K 7 PACKAGE AND IC BLOCK DIAGRAM 7.1. Main Block PA101 : YEP0PTA512B0 IC451 : YEAMLC72135C...
  • Page 8 CQ-LS7230K IC631 : YEAMLB1930MT IC201 : YEAMM62435FA IC651 : YEAMH12187ER IC231 : YEAMTA8251AH IC701 : C0DBZHZ00006...
  • Page 9: Alignment Instructions

    CQ-LS7230K IC751 : AN8065SE1 8 ALIGNMENT INSTRUCTIONS 8.1. Alignment Conditions • • • • Balance, Fader Control : center • • • • Power Supply Voltage : DC13.2V • • • • Bass, Treble Control : Center • • • • Output Impedance : 4Ω...
  • Page 10: Replacement Parts List

    CQ-LS7230K 10 REPLACEMENT PARTS Ref. Part No. Part Name & Description Remarks C107 YECUS1E223KX Ceramic, 0.022µF 25WV LIST C108 YECUS1H153KX Ceramic, 0.015µF 50WV C121 YECUS1H183KX Ceramic, 0.018µF 50WV Notes : C124 YECUS1E273KX Ceramic, 0.027µF 25WV C131 YECUS1H183KX Ceramic, 0.018µF 50WV 1.
  • Page 11 CQ-LS7230K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks Chip, 1kΩ Ω Ω Ω 1/10W C651 YECUV1H221JM Ceramic, 220PF 50WV R202 ERJ6GEYJ102 Chip, 10kΩ Ω Ω Ω 1/10W C652 YECUV1H221JM Ceramic, 220PF 50WV...
  • Page 12 CQ-LS7230K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks Chip, 100kΩ Ω Ω Ω 1/10W R755 ERJ6GEYJ104 YECUS1E223KX Ceramic, 0.022µF 25WV Chip, 560Ω Ω Ω Ω 1/8W R762 ERJ8GEYJ561V YECUS1C474KX Ceramic, 0.47µF 16WV Chip, 1kΩ...
  • Page 13 CQ-LS7230K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks SW916 YEAS09245 Switch DIODEs SW917 YEAS09245 Switch D910 YEADSEC1401T Diode D913 YEADSEC1401T Diode D914 YEADSEC1401T Diode D915 YEADSEC1401T Diode LCD1 YEXDCM1192 D916 YEADSEC1401T...
  • Page 14: Exploded View (Unit)

    CQ-LS7230K 11 EXPLODED VIEW (Unit)
  • Page 15: Tape Player Parts

    CQ-LS7230K 12 TAPE PLAYER PARTS Ref. Part No. Part Name & Description Remarks Chip, 4.7kΩ Ω Ω Ω 1/8W ERJ8GEYJ472V Chip, 4.7kΩ Ω Ω Ω 1/8W Ref. Part No. Part Name & Description Remarks ERJ8GEYJ472V Chip, 4.7kΩ Ω Ω Ω 1/8W...
  • Page 16: Exploded View (Tape Deck)

    CQ-LS7230K 13 EXPLODED VIEW (Tape Deck)
  • Page 17: Wiring Diagram

    CQ-LS7230K 14 WIRING DIAGRAM 14.1. Display Block [E-9064] [Top View] [E-9064] [Bottom View] CQ-LS7230K DISPLAY...
  • Page 18 CQ-LS7230K 14.2. Main Block (Top View) E C B [E-6876][Top View] CQ-LS7230K MAIN...
  • Page 19 CQ-LS7230K 14.3. Main Block (Bottom View) [E-6876][Bottom View] CQ-LS7230K MAIN...
  • Page 20 CQ-LS7230K 14.4. Tape Block -1 24 25 [E-8790A] [E-8790A] [Top View] [Bottom View] FD04728 DECK P.C.B.
  • Page 21 CQ-LS7230K 14.5. Tape Block -2 [E-8791][Top View] [E-8791][Bottom View] FD04728 DECK P.C.B.
  • Page 22 CQ-LS7230K 14.6. Fix-EQ. Block [E-8094][Top View] [E-8094][Bottom View] CQ-LS7230K FIX-EQ...
  • Page 23: Schematic Diagram -1

    CQ-LS7230K 15 SCHEMATIC DIAGRAM -1 15.1. Tape Block...
  • Page 24 CQ-LS7230K 15.2. Fix-EQ. Block...
  • Page 25: Schematic Diagram-2

    CQ-LS7230K 16 SCHEMATIC DIAGRAM-2 16.1. Main/Display Block...
  • Page 26 CQ-LS7230K...

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86120-02360

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