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Panasonic CQ-RD243N Service Manual

Removable face high-power cassette / rds receiver with changer control
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  • Page 6 ORDER No ACED021204C2 AUTOMOTIVE AFTERMARKET CQ-RD243N Removable Face High-Power Cassette / RDS Receiver with Changer Control © 2003 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.
  • Page 7: Table Of Contents

    CQ-RD243N CONTENTS Page Page 1 FEATURES 10 SCHEMATIC DIAGRAM (Display Block) 2 REPLACING THE FUSE 11 SCHEMATIC DIAGRAM (Tape Block) 3 MAINTENANCE 12 TERMINALS DESCRIPTION 4 RADIO ALIGNMENT 13 PACKAGE AND IC BLOCK DIAGRAM 5 DIMENSIONS 14 REPLACEMENT PARTS LIST (Unit)
  • Page 8: Wiring Connection

    CQ-RD243N 6 WIRING CONNECTION...
  • Page 9: Block Diagram

    CQ-RD243N 7 BLOCK DIAGRAM...
  • Page 10: Wiring Diagram

    CQ-RD243N 8 WIRING DIAGRAM 8.1. Main Block-1 [E-4C244][TOP VIEW] CQ-RD133N/143N/153N/243N/R253U/R223W MAIN PCB...
  • Page 11 CQ-RD243N 8.2. Main Block-2 [E-4C244][BOTTOM VIEW] CQ-RD133N/143N/153N/243N/R253U/R223W MAIN PCB...
  • Page 12 CQ-RD243N 8.3. Display Block [E-4C241][TOP VIEW] [E-4C241][BOTTOM VIEW] CQ-RD243N DISPLAY PCB...
  • Page 13 CQ-RD243N 8.4. Tape Block [E-4C212-1] [Top View] [E-4C212-1] [Bottom View] CQ-R221U/RD243N TAPE PCB...
  • Page 14: Schematic Diagram (Main Block)

    CQ-RD243N 9 SCHEMATIC DIAGRAM (Main Block) E-4C244 TUNER DECODE IC INIT R403 R464 R780 R790 R800 R801 2.43 RD133N ---- ---- RD243N ---- 4.92 ---- 4.96 2.38 2.43 2.41 ---- R253U 2.48 2.23 ---- 2.48 2.08 R223W ---- ---- 0 1S 2V/DIV .
  • Page 15: Schematic Diagram (Display Block)

    CQ-RD243N 10 SCHEMATIC DIAGRAM (Display Block) E-4C241 2MS.2V/DIV 0.5MS.2V/DIV 2MS.2V/DIV 2MS.2V/DIV 1MS.2V/DIV CQ-RD243N DISPLAY BLOCK...
  • Page 16: Schematic Diagram (Tape Block)

    CQ-RD243N 11 SCHEMATIC DIAGRAM (Tape Block) E-4C212-1 12.1 11.1 12.1 T ape L ch CQ-R221U/RD243W TAPE BLOCK...
  • Page 17: Terminals Description

    CQ-RD243N 12 TERMINALS DESCRIPTION 12.1. Main Block Part No. Part Name & Description Remarks Part No. Part Name & Description Remarks CD C STB CD changer strobe MODE A Rotary mode A MODE B Rotary mode B IC401 UPD780058517 VSS0...
  • Page 18 CQ-RD243N 13.2. Display Block...
  • Page 19 CQ-RD243N 13.3. Tape Block...
  • Page 20: Replacement Parts List (Unit)

    CQ-RD243N 14 REPLACEMENT PARTS LIST (Unit) Ref. Part No. Part Name & Description Remarks YEAD1N4148C Diode D181 YEAD1N4005ST Silicon Diode D600 YEAD1N4148C Diode D601 YEAD1S2473T Diode D602 YEADMTZJ82BT Zener Diode D603 YEAD1N4148C Diode D606 YEAD1N4148C Diode D607 YEAD1N4148C Diode D694...
  • Page 21 CQ-RD243N Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C105 ECUV1H102KBN Ceramic 0.001MFD 50WV C715 ECA1CHG101I Electrolytic 100MFD 16WV C106 ECUV1H180JCN Ceramic 18PF 50WV C717 ECEA1CKS100IV Electrolytic 10MFD 16WV C107 ECUV1H180JCN Ceramic 18PF 50WV...
  • Page 22 CQ-RD243N Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R108 ERJ6GEYJ473V Chip 47k ohms 1/10W R627 ERJ6GEYJ102V Chip 1k ohms 1/10W R110 ERJ6GEYJ221V Carbon 220 ohms 1/10W R628 ERJ6GEYJ102V Chip 1k ohms 1/10W...
  • Page 23 CQ-RD243N Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks J110 ERJ8GX0R00V Chip 0 ohms 1/8W SW918 K0H1BA000445 Tack Swich J111 ERJ8GX0R00V Chip 0 ohms 1/8W SW919 K0H1BA000445 Tack Swich J112 ERJ8GX0R00V Chip 0 ohms 1/8W...
  • Page 24 CQ-RD243N Ref. Part No. Part Name & Description Remarks FX0054C045ZA Spring(Cast) T(2-B) YFE134C440ZA Push Button T(2-B) FX0054C058ZA Spring (Push Button) T(2-B) YEFX9991682A Release Hook T(2-B) FX0054C049ZA Spring(Hook) T(2-B) YJT034C015CA Step Screw T(2-B) YFA034C044ZA Upper Cover T(4-C) YFC054C059ZA Trim Plate(Print) T(1-A)
  • Page 25: Exploded View (Unit)

    CQ-RD243N 15 EXPLODED VIEW (Unit)
  • Page 26: Replacement Parts List (Tape Player Parts)

    CQ-RD243N 16 REPLACEMENT PARTS LIST (Tape Player Parts) Ref. Part No. Part Name & Description Remarks YESFX003054 FR Gear (1-B) YESFX046062 FR Plate (1-B) YESFX218015 Pinch Roller Arm (F) Ass’y (3-C) YESFX218016 Pinch Roller Arm (R) Ass’y (2-C) YESFX209007 Reel Ass’y...
  • Page 27: Exploded View (Tape Deck)

    CQ-RD243N 17 EXPLODED VIEW (Tape Deck)
  • Page 28: Schematic Diagram For Printing With Letter Size

    CQ-RD243N 18 SCHEMATIC DIAGRAM for printing with letter size 18.1. Main Block (Left Side) E-4C244 TUNER DECODE IC INIT R780 R403 R464 2.43 RD133N ---- RD243N ---- 4.92 4.96 2.38 2.41 2.43 ---- R253U 2.48 2.23 2.48 2.08 R223W ---- 0 1S 2V/DIV .
  • Page 29 CQ-RD243N 18.2. Main Block (Right Side) E-4C244 INIT R403 R464 R780 R790 R800 R801 RD133N ---- ---- RD243N ---- ---- ---- R253U ---- R223W ---- ---- CQ-RD133N/RD143N/RD153N/RD243N/R253U/R223W MAIN BLOCK...
  • Page 30 CQ-RD243N 18.3. Display Block (Left Side) E-4C24 2MS.2V/DIV 0.5MS.2V/DIV 2MS.2V/DIV 2MS.2V/DIV 1MS.2V/DIV...
  • Page 31 CQ-RD243N 18.4. Display Block (Right Side) E-4C241 CQ-RD243N DISPLAY BLOCK...
  • Page 32 CQ-RD243N 18.5. Tape Block (Left Side) E-4C212 12.1 11.1 12.1...
  • Page 33 CQ-RD243N 18.6. Tape Block (Right Side) E-4C212-1 T ape L ch CQ-R221U/RD243W TAPE BLOCK Printed in Taiwan 2003.01...
  • Page 48 E-4C241 2MS.2V/DIV 0.5MS.2V/DIV 2MS.2V/DIV 2MS.2V/DIV 1MS.2V/DIV CQ-RD243N DISPLAY BLOCK...
  • Page 49 E-4C24 2MS.2V/DIV 0.5MS.2V/DIV 2MS.2V/DIV 2MS.2V/DIV 1MS.2V/DIV...
  • Page 50 E-4C241 CQ-RD243N DISPLAY BLOCK...
  • Page 51 E-4C244 E-4C244 TUNER DECODE IC INIT R780 R403 R464 2.43 ---- RD133N 4.92 RD243N ---- 4.96 2.38 2.41 2.43 ---- R253U 2.23 2.48 2.48 2.08 R223W ---- 0 1S 2V/DIV . 2V/DIV 0 2S 0 2S 2V/DIV 1S 2V/DIV 50S 2V/DIV 2S 2V/DIV 0.08 0.66...
  • Page 52 E-4C244 E-4C244 INIT R780 R790 R800 R403 R464 R801 ---- RD133N ---- RD243N ---- ---- ---- R253U ---- R223W ---- ---- CQ-RD133N/RD143N/RD153N/RD243N/R253U/R223W MAIN BLOCK...
  • Page 53 E-4C244 E-4C244 TUNER DECODE IC INIT R780 R790 R800 R403 R464 R801 2.43 RD133N ---- ---- 4.92 RD243N ---- ---- 4.96 2.38 2.41 2.43 ---- R253U 2.48 2.23 ---- 2.48 2.08 R223W ---- ---- 0 1S 2V/DIV . 2V/DIV 0 2S 0 2S 2V/DIV 1S 2V/DIV 50S 2V/DIV...
  • Page 54 E-4C212 12.1 11.1 12.1...
  • Page 55 E-4C212-1 T ape L ch CQ-R221U/RD243W TAPE BLOCK...
  • Page 56 E-4C212-1 12.1 11.1 12.1 T ape L ch CQ-R221U/RD243W TAPE BLOCK...
  • Page 61 [E-4C241][TOP VIEW] [E-4C241][BOTTOM VIEW] CQ-RD243N DISPLAY PCB...
  • Page 62 [E-4C244][BOTTOM VIEW] CQ-RD133N/143N/153N/243N/R253U/R223W MAIN PCB...
  • Page 63 [E-4C244][TOP VIEW] CQ-RD133N/143N/153N/243N/R253U/R223W MAIN PCB...
  • Page 64 [E-4C212] [Bottom View]...
  • Page 65 [E-4C212-1] [Top View] [E-4C212-1] [Bottom View] CQ-R221U/RD243N TAPE PCB...
  • Page 66 [E-4C212] [Top View]...

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