Panasonic CQ-JA1920L Service Manual

Panasonic CQ-JA1920L Service Manual

Am/fm mpx electronic tuning radio with stereo cassette tapeplayer and cd player

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Specification
General
Power Supply
Current Consumption
Power Output
Speaker Impedance
AM Radio
Frequency Range
Signal to Noise Ratio
FM Stereo Radio
Frequency Range
Usable Sensitivity
CD Player
Signal to Noise Ratio
Channel Separation
DC 12V (11V - 16V),
Test Voltage 13.2V
Negative Ground
Less than 4.0A
12W×12W
4Ω
531 - 1,6020kHz
23dB(µV) (S/N 20dB)
87.5 - 108.0MHz
5dB/µV (S/N 30dB)
More than 90dB
More than 80dB
AUTOMOTIVE ELECTRONICS
AUDI
CQ-JA1920L
CQ-JA1924L
AM/FM MPX ELECTRONIC TUNING
RADIO with Stereo Cassette Tape
Player and CD Player
AUDI No. (CQ-JA1920L) : 8D0 035 195E
AUDI No. (CQ-JA1924L) : 8Z0 035 196
VEHICLE (CQ-JA1920L) : Audi A4
VEHICLE (CQ-JA1924L) : Audi A2
DESTINATION : Europe
SALE DATE : May., 2000
Total Harmonic Distortion
Tape Player
Reproduction System
Tape Speed
Signal to Noise Ratio
Wow and Flutter
Stereo Separation
Dimensions**
* Specifications and the design are subject to possible modification
without notice due to improvements.
** Dimensions and Weight shown are approximate.
Doldy noise reduction manufactured under license from Dolby
Laboratories Licensing Corporation.
"Dolby" and the double-D symbol
Laboratories Licensing Corporation.
© 2001 Matsushita Communication Industrial Co.,
Ltd. All rights reserved. Unauthorized copying and
distribution is a violation of law.
ORDER No. AED0101023
Less than 0.02%
4-Track, 2-Program Stereo
1-7/8" (4.76cm/sec)
More than 42dB
0.09% (WRMS)
More than 30dB
178×164.5×110mm
are trade marks of Dolby

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Summary of Contents for Panasonic CQ-JA1920L

  • Page 1 CQ-JA1924L AM/FM MPX ELECTRONIC TUNING RADIO with Stereo Cassette Tape Player and CD Player AUDI No. (CQ-JA1920L) : 8D0 035 195E AUDI No. (CQ-JA1924L) : 8Z0 035 196 VEHICLE (CQ-JA1920L) : Audi A4 VEHICLE (CQ-JA1924L) : Audi A2 DESTINATION : Europe SALE DATE : May., 2000...
  • Page 2: Table Of Contents

    AUDI / CQ-JA1920L / CQ-JA1924L CONTENTS Page Page 1 FEATUERS 11 REPLACEMENT PARTS LIST 2 LASER PRODUCTS 12 EXPLODED VIEW (Unit) 3 REAR VIEW AND CONNECTORS 13 CD PLAYER PARTS 4 FRONT VIEW AND FUNCTIONS 14 EXPLODED VIEW (CD Deck)
  • Page 3: Front View And Functions

    AUDI / CQ-JA1920L / CQ-JA1924L 4 FRONT VIEW AND FUNCTIONS...
  • Page 4: Alignment Instructions

    AUDI / CQ-JA1920L / CQ-JA1924L 5 ALIGNMENT INSTRUCTIONS 5.1. Alignment Conditions Balance, Fader Control : center Power Supply Voltage : DC13.2V Bass, Treble Control : Center Output Impedance : 4Ω Dolby NR: OFF Output Power : 0.5W Note : Do not align the FM/AM package block. When the package block is necessary, it will be supplied already aligned at the factory.
  • Page 5: Wiring Connection

    AUDI / CQ-JA1920L / CQ-JA1924L 7 WIRING CONNECTION...
  • Page 6: Block Diagram

    AUDI / CQ-JA1920L / CQ-JA1924L 8 BLOCK DIAGRAM 8.1. Main Block...
  • Page 7 AUDI / CQ-JA1920L / CQ-JA1924L 8.2. CD Servo Block...
  • Page 8: Terminals Description

    AUDI / CQ-JA1920L / CQ-JA1924L 9 TERMINALS DESCRIPTION 9.1. Main Block PVCC2 +5V power supply +B DET Battery level detection IC621 : C2CBKJ000009 Ground CD REMO CD CH remocon data Port Description CD DATA CD CH data CD CLK CD CH clock...
  • Page 9 AUDI / CQ-JA1920L / CQ-JA1924L 126 CD SOM CD serial data 9.2. DSP Block 127 CD SIM CD serial data 128 MD1 (Connecting to VDD) IC801 : YEAMAK7712AF Note 1 : Voltage measuerments are with respect to ground, Port Description with a voltmeter (internal resistance : 10M ohms).
  • Page 10 AUDI / CQ-JA1920L / CQ-JA1924L 9.4. CD Servo Block TUNE.PUSH Tune push switch No connection 18-23 D0-5 LCD control data Ground IC401 : YEAMCXD2597Q 25,26 D6,7 LCD control data Pin No. Port Description SCAN.LED SCAN LED on/off 10.2 SQSO Sub Q-cord data P.SCAN.LED...
  • Page 11 AUDI / CQ-JA1920L / CQ-JA1924L AVDD1 +5V power supply AOUT1 Lch audio output AIN1 Lch OP-amp input LOUT1 Lch line-out AVSS1 Ground AVSS2 Ground LOUT2 Rch line-out AIN2 Rch OP-amp input AOUT2 Rch audio output AVDD2 +5V power supply 79, 80 -...
  • Page 12: Package And Ic Block Diagram

    AUDI / CQ-JA1920L / CQ-JA1924L 10 PACKAGE AND IC BLOCK DIAGRAM 10.1. Main Block PA101 : YEP0PTA533A0 IC267 : YEAMPD4052BG IC281 : AN7190NKLC IC282 : YEAMCX2510AQ...
  • Page 13 AUDI / CQ-JA1920L / CQ-JA1924L IC501 : YEAMS6789A IC502 : YEAMS6684B IC601 : C0EBM0000005 IC503 : YEAM74HC595T...
  • Page 14 AUDI / CQ-JA1920L / CQ-JA1924L IC602 : YEAMS2922ADF IC711 : YEAMLB1930MT IC603 : AN8065SE1 IC703 : C0DBZHZ00002 IC625 : YEAMNJU7660M IC902 : C1EB00000036 IC701 : YEAMLC72146T...
  • Page 15 AUDI / CQ-JA1920L / CQ-JA1924L 10.2. CD Servo Block IC101 : YEAMCXA2535 IC951 : YEAMBA5971FP IC901 : YEAMB6195FP...
  • Page 16: Replacement Parts List

    AUDI / CQ-JA1920L / CQ-JA1924L 11 REPLACEMENT PARTS Ref. Part No. Part Name & Description Remarks B1BBAC000007 Transistor LIST Q101 B1GBCFNN0005 Transistor Q120 B1ABBD000004 Transistor Notes : Q202 YEANC3661TA Transistor Q222 YEANC323TUTX Transistor 1. Be sure to make your orders of replacement parts...
  • Page 17 AUDI / CQ-JA1920L / CQ-JA1924L Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D602 MA142WATX Diode C114 YECUS1H102KX Ceramic, 0.001µF 50WV D603 YEAD1SS355T1 Diode C115 YECUS1H102KX Ceramic, 0.001µF 50WV D605 MA151WATX Diode...
  • Page 18 AUDI / CQ-JA1920L / CQ-JA1924L Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C275 F1K1A1060001 Ceramic, 10µF 10WV C508 ECEA1CKA100I Electrolytic, 10µF 16WV C277 YECUS1H561KX Ceramic, 560PF 50WV C509 YECUS1C104KX Ceramic, 0.1µF 16WV...
  • Page 19 AUDI / CQ-JA1920L / CQ-JA1924L Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C734 ECA1AM101I Electrolytic, 100µF 10WV C916 YECUS1H101JM Ceramic, 100PF 50WV C735 YECUS1H101JM Ceramic, 100PF 50WV C917 YECUS1H101JM Ceramic, 100PF 50WV...
  • Page 20 AUDI / CQ-JA1920L / CQ-JA1924L Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks Chip, 100kΩ Ω Ω Ω 1/10W Chip, 100kΩ Ω Ω Ω 1/10W R171 ERJ6GEYJ104 R323 ERJ6GEYJ104 Chip, 5.6kΩ Ω Ω Ω 1/10W Chip, 47kΩ...
  • Page 21 AUDI / CQ-JA1920L / CQ-JA1924L Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks Chip, 4.7kΩ Ω Ω Ω 1/10W Chip, 3.3kΩ Ω Ω Ω 1/10W R629 ERJ6GEYJ472 R727 ERJ6GEYJ332 Chip, 4.7kΩ Ω Ω Ω 1/10W Chip, 2.2Ω...
  • Page 22 AUDI / CQ-JA1920L / CQ-JA1924L Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks Chip, 22kΩ Ω Ω Ω 1/10W R924 ERJ6GEYJ223 L811 J0JCC0000012 Coil Chip, 1kΩ Ω Ω Ω 1/10W R925 ERJ6GEYJ102...
  • Page 23 AUDI / CQ-JA1920L / CQ-JA1924L Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks IC614 YEAMBA823F D964 YEADLST676T Diode Q611 B1GBCFJN0005 Transistor D965 YEADLST676T Diode Q612 B1GBCFJN0005 Transistor D966 YEADLST676T Diode Q613 YEANFP1F3PT1...
  • Page 24 AUDI / CQ-JA1920L / CQ-JA1924L 11.3. Mechanical Parts Ref. Part No. Part Name & Description Remarks SW606 YEAS09320 Switch MISCELLANEOUS SW607 YEAS09320 Switch Ref. Part No. Part Name & Description Remarks SW608 YEAS09320 Switch SW609 YEAS09320 Switch ANT101 YEAA10087 Antenna Receplacle...
  • Page 25: Exploded View (Unit)

    AUDI / CQ-JA1920L / CQ-JA1924L 12 EXPLODED VIEW (Unit)
  • Page 26: Cd Player Parts

    AUDI / CQ-JA1920L / CQ-JA1924L 13 CD PLAYER PARTS RESISTORs 13.1. CD Servo Block [E8550] Ref. Part No. Part Name & Description Remarks IC´s and TRANSISTORs Chip, 27kΩ Ω Ω Ω 1/8W R101 ERJ8GEYJ273V Ref. Part No. Part Name & Description Remarks Chip, 27kΩ...
  • Page 27 AUDI / CQ-JA1920L / CQ-JA1924L SWITCHEs Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks YEFX249408C Lever Protection Cover YEAS09248R Push Switch YEFW04138 Shaft Holder(2) YEAS23151A Leef Switch YEFX0052059 Feeder Arm Spring(2) YEFX0461668E...
  • Page 28: Exploded View (Cd Deck)

    AUDI / CQ-JA1920L / CQ-JA1924L 14 EXPLODED VIEW (CD Deck)
  • Page 29: Tape Player Parts

    AUDI / CQ-JA1920L / CQ-JA1924L 15.6. Mechanical Parts 15 TAPE PLAYER PARTS MISCELLANEOUS 15.1. Diodes Ref. Part No. Part Name & Description Remarks [E8098A] YEFA011640A Main Chassis Ass´y Ref. Part No. Part Name & Description Remarks YEFA011551A Head Chassis Ass´y YEP9FZ2473 Head Ass´y...
  • Page 30: Exploded View (Tape Deck)

    AUDI / CQ-JA1920L / CQ-JA1924L 16 EXPLODED VIEW (Tape Deck)
  • Page 31: Wiring Diagram

    AUDI / CQ-JA1920L / CQ-JA1924L 18 SCHEMATIC DIAGRAM -1 18.1. Tape Block...

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