Panasonic CQ-4400U Service Manual
  1. Manuals
  2. Brands
  3. Panasonic Manuals
  4. Receiver
  5. CQ-4400U
  6. Service manual

Panasonic CQ-4400U Service Manual

Heavy duty cassette player /weather band receiver with changer control
Hide thumbs Also See for CQ-4400U:
Table of Contents

Advertisement

Quick Links

ORDER NO.ACED000901C1
C1
AUTOMOTIVE CONSUMER ELECTRONICS
CQ-4400U
Heavy Duty Cassette Player /Weather Band Receiver with Changer
Control
SPECIFICATIONS
2000 Matsushita Communication Industrial Co., Ltd. All rights
reserved. Unauthorized copying and distribution is a violation of
law.
1

Advertisement

Table of Contents
loading

Related Manuals for Panasonic CQ-4400U

Summary of Contents for Panasonic CQ-4400U

  • Page 1 ORDER NO.ACED000901C1 AUTOMOTIVE CONSUMER ELECTRONICS CQ-4400U Heavy Duty Cassette Player /Weather Band Receiver with Changer Control SPECIFICATIONS 2000 Matsushita Communication Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: Replacing The Fuse

    1. FEATURES - 24-Stations Preset ( 6-FM1, 6-FM2, 6-W/B, 6-AM ) - Metal (CrO2 )/Normal Tape Selector. - Electronic Control of Volume, Bass, Treble, Balance and Fader - Dolby NR function. - CD Changer Control function - TPS ( Tape Program Search ) function. - Clock function.

  • Page 3: Wiring Connection

    6. WIRING CONNECTION...

  • Page 4: Block Diagram

    7. BLOCK DIAGRAM...

  • Page 5: Alignment Instructions

    8. ALIGNMENT INSTRUCTIONS 8.1. Alignment Conditions - Power Supply Voltage : DC14.4V - Output Impedance : 4 W - Balance, Fader Control : Center...
  • Page 6 - Bass, Treble Control : Center Note: Do not align the FM/AM package blocks. When the package block is necessary, it will be supplied already aligned at the factory. 8.2. Dolby NR Alignment Step Alignment Item Test Tape VTVM Connection Adjust Remarks DOLBY NR Rch...

  • Page 7: Main Block

    15.1. Main Block IC601 YEAM17708621 Name Description Vol. (V) AM FM TAPE 1 BATT Battery Detection 5.3 2.5 2 (NC) (Connect to Ground) 3 MODE2 Tape Detection 4.7 4.7 input 4 (NC) (Connect to Ground) 5 MS No sound Detection (TPS) 6 R-REEL Reel Pulse 1.5 2.3 Detection(R)
  • Page 8 Name Description Vol. (V) AM FM TAPE 26 SD FM FM SD Input 0.2 0.7 27 SD AM AM SD Input 2.4 2.4 28 AMIFC AM IF Input 29 FMIFC FM IF Input 1.2 1.6 30 VDD Power supply +5V 4.8 4.8 31 FM/AM FM OSC Input...

  • Page 9: Display Block

    Name Description Vol. (V) AM FM TAPE 54 (NC) 55 LCD D01 (NC) 56 LCD LCD Clock 57 LCD DI LCD Data input (MO) 58 LCD CE LCD Chip Enble 0.3 0.3 59 LCD LCD Data Output 5.3 5.3 DO(MI) 60 (NC) 61 (NC) 62 REMOUT Remoto Data...

  • Page 10: Package And Ic Block Diagram

    IC901 YEAMLC75853E Name Description I/O Volt(V) (NC) P.LED LED Indicator Signal Output 3~|40 S3~S40 LCD Segment COM1 LCD Common COM2 LCD Common COM3 LCD Common 44~49 KS1~KS6 Key Data Output 50~54 K11~K15 Key Data Input TEST (Connect to Ground) +5V Power Supply VDD1 +5V Power Supply VDD2...
  • Page 12 16.2. Tape Block...

  • Page 13: Replacement Parts List (Unit)

    17. REPLACEMENT PARTS LIST (Unit)
  • Page 14 Ref. No. Part No. Part Name & Description Remarks 1. IC's and Transistors MAIN BLOCK [E-4C199] IC205 YEAMEA6320TT IC270 YEAMTDA8571J IC601 YEAM17708621 IC602 YEAMTC4584FN IC701 AN78N05 IC800 YEAMM50957AL YEAU034CSU03 WB Tuner Pack CT-U02A FM/AM Tuner Pack YEANDTC144ST Transistor YEANB123YST Transistor YEAN2SC3330T Transistor Q241...
  • Page 15 Ref. No. Part No. Part Name & Description Remarks YEADRD56JS3T Zener Diode YEADRD56JS3T Zener Diode D255 YEAD1N4005T Silicon Diode D256 YEAD1N4005T Silicon Diode D257 YEAD1N4005T Silicon Diode D258 YEAD1N4005T Silicon Diode D355 YEAD1N4005T Silicon Diode D356 YEAD1N4005T Silicon Diode D357 YEAD1N4005T Silicon Diode D358...
  • Page 16 Ref. No. Part No. Part Name & Description Remarks ECUV1H103KBN Ceramic 0.01MFD 50WV ECUV1H103KBN Ceramic 0.01MFD 50WV ECEA1HKS010I Electrolytic 1MFD 50WV ECEA1AKS101I Ceramic 100MFD 10WV ECEA1CKS470I Electrolytic 47MFD 16WV ECUV1H103KBN Ceramic 0.01MFD 50WV ECUV1H103KBN Ceramic 0.01MFD 50WV ECUV1H223KBN Ceramic 0.022MFD 50WV ECUV1H223KBN Ceramic 0.022MFD 50WV ECUV1H103KBM...
  • Page 17 Ref. No. Part No. Part Name & Description Remarks C350 ECUV1H222KBN Ceramic 2200pF 50WV C351 ERJ6GEYJ392 Chip 3.9k ohms 1/10W C353 ECEA1CKS100I Electrolytic 10MFD 16WV C355 ECUV1H683KBN Ceramic 0.068MFD 50WV C356 ECUV1H683KBM Ceramic 0.068MFD 50WV C357 ECUV1H683KBM Ceramic 0.068MFD 50WV C358 ECUV1H683KBN Ceramic 0.068MFD 50WV...
  • Page 18 Ref. No. Part No. Part Name & Description Remarks TAPE BLOCK [E-4C141-1] ECUV1H103KBN Ceramic 0.01MFD 50WV ECUV1H103KBN Ceramic 0.01MFD 50WV ECUV1H103KBN Ceramic 0.01MFD 50WV ECUV1H103KBN Ceramic 0.01MFD 50WV ECEA1AKS330IV Electrolytic 33MFD 10WV ECEA1CKS470IV Electrolytic 47MFD 16WV ECEA1CKS470IV Electrolytic 47MFD 16WV ECEA1HKS2R2IV Ceramic 2.2MFD 50WV ECEA1HKS2R2IV...
  • Page 19 Ref. No. Part No. Part Name & Description Remarks ERJ8GX0R00V Chip 0 ohms 1/8W ERJ8GX0R00V Chip 0 ohms 1/8W ERJ6GEY0R00V Chip 0 ohms 1/10W ERJ6GEY0R00V Chip 0 ohms 1/10W ERJ6GEY0R00V Chip 0 ohms 1/10W ERJ8GX0R00V Chip 0 ohms 1/8W ERJ8GX0R00V Chip 0 ohms 1/8W ERJ8GX0R00V Chip 0 ohms 1/8W...
  • Page 20 Ref. No. Part No. Part Name & Description Remarks ERDS2TJ332 Carbon 3.3k ohms 1/4W ERJ6GEYJ822 Chip 8.2k ohms 1/10W R225 ERJ6GEYJ822 Chip 8.2k ohms 1/10W R226 ERJ6GEYJ332 Chip 3.3k ohms 1/10W R251 ERD25TJ562 Chip 5.6k ohms 1/4W C252 ERJ6GEYJ392 Chip 3.9k ohmsS 1/10W R271 ERD25TJ101 Carbon 100 ohms 1/4W...
  • Page 21 Ref. No. Part No. Part Name & Description Remarks R672 ERJ8GEYJ473V Chip 47k ohms 1/8W R673 ERJ6GEYJ473 Chip 47k ohms 1/10W R721 ERD25FJ5R6T Carbon 5.6 ohms 1/4W R722 ERD25FJ471T Carbon 470 ohms 1/4W R723 ERD25FJ5R6T Carbon 5.6 ohms 1/4W R725 ERG8GEYJ221V Chip 220 ohms 1/8W R727...
  • Page 22 Ref. No. Part No. Part Name & Description Remarks J120 ERJ8GX0R00V Chip 0 ohms 1/8W J121 ERJ8GX0R00V Chip 0 ohms 1/8W J122 ERJ8GX0R00V Chip 0 ohms 1/8W J123 ERJ8GX0R00V Chip 0 ohms 1/8W J124 ERJ8GX0R00V Chip 0 ohms 1/8W J125 ERJ8GX0R00V Chip 0 ohms 1/8W J126...
  • Page 23 Ref. No. Part No. Part Name & Description Remarks YEAE5320404 Connector YEAE012684 Connector YEAE012659 Connector 6. Electric Parts SWITCHES YEAS08031B62 Switch SW901 EVQPJJ04T Switch SW902 EVQPJJ04T Switch SW904 EVQPJJ04T Switch SW905 EVQPJJ04T Switch SW909 EVQPJJ04T Switch SW910 EVQPJJ04T Switch SW911 EVQPJJ04T Switch SW912...

  • Page 24: Exploded View (Unit)

    Ref. No. Part No. Part Name & Description Remarks YFM094C012ZA W/B Service List INSTALLATION PARTS FX0214C079YA Mounting Collar 8. Mechanical Parts MISCELLANEOUS ANT1 YAA104C700ZA ANT Jack ERZG07DK470T YEADSPD201M Surge Protector YEAT03420 Terminal YEAT03420 Terminal YEAT03420 Terminal YEAEFFC005 Frexible Circuit Board YEAT034C011 Terminal YEAT034C011...
  • Page 25 19. REPLACEMENT PARTS LIST (Tape Player Parts)
  • Page 26 Ref. No. Part No. Part Name & Description Remarks MISCELLANEOUS YESFA01051 Chassis Rivet Ass'y (2-B) YESFX046056 Main Plate (1-C) YESFX003049 B Gear (2-B) YESFX003050 C Gear (2-B) YESFX003051 D Gear (1-B) YESFX003052 P Gear (2-B) YESFX003053 P.G Plate (2-A) (3-B) YESFG02021 Guide BKT (2-C)

  • Page 27: Exploded View (Tape Deck)

    Ref. No. Part No. Part Name & Description Remarks YESJW01014 Lumilar Washer 2.1x3.5x0.1 (1-B) YESJS01091 PK Collar Screw A (1-C) 20. EXPLODED VIEW (Tape Deck)

  • Page 28: Packing Parts List

    21. PACKING PARTS LIST · Item numbers listed below shoud not order regular spare parts. (not available) Item No. Parts No. Parts Name & Description Q’ty Remarks Inner Carton Not Available Packing Pad, Front Not Available Packing Pad, Right and Left Not Available Rear Support Strap Operating Instructions Kit...
  • Page 29 [E-4C141-1] [Bottom Vie w]...
  • Page 30 [E-4C141-1] [Top View]...
  • Page 31 [E-4C206] [BOTTOM VIEW]...
  • Page 32 [E-4C206] [TOP VIEW]...
  • Page 33 [E-4C199] [Bottom View]...
  • Page 34 [E-4C199] [Top View]...

Table of Contents