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Panasonic CQ4500U - AUTO RADIO/CD TRUCK, Service Manual

The Panasonic CQ4500U - AUTO RADIO/CD TRUCK is a high-quality automotive stereo system designed for trucks. This versatile device offers superb audio quality and user-friendly controls. Explore all the features and settings of this product by easily accessing the free service manual download available on manualshive.com.

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Ref. No.

Part No.

Part Name & Description

Remarks

TAPE BLOCK [E-4C141-1]

D1

YEAD1A3T

Diode

T

D2

YEADMTZ43BT

Zener Diode

T

1.3. Capacitors

MAIN BLOCK [E-4C199]

C2

ECEA1AKS221I

Electrolytic 2200MFD 10WV

C4

ECEA1AKS220I

Electrolytic 22MFD 10WV

C9

ECUV1H104ZFN

Electrolytic 0.1MFD 50WV

T

C10

ECUV1H103KBM

Ceramic 0.01MFD 50WV

T

C11

ECUV1C474KBN

Ceramic 0.47MFD 16WV

T

C12

ECUV1H103KBN

Ceramic 0.01MFD 50WV

T

C17

ECUV1H102KBN

Ceramic 1000pF 50WV

T

C21

ECEA1HKS010I

Electrolytic 1MFD 50WV

C22

ECEA1AKS010I

Electrolytic 1MFD 10WV

C51

ECEA1CKS470I

Electrolytic 47MFD 16WV

C52

ECUV1H103KBN

Ceramic 0.01MFD 50WV

T

C54

ECUV1H103KBN

Ceramic 0.01MFD 50WV

T

C57

ECUV1H273KBN

Ceramic 0.027MFD 50WV

T

C58

ECUV1H273KBN

Ceramic 0.027MFD 50WV

T

C60

ECUV1H103KBM

Ceramic 0.01MFD 50WV

T

C61

ECUV1H102KBN

Ceramic 1000pF 50WV

T

C66

ECUV1H103KBN

Ceramic 0.01MFD 50WV

T

C207

ECUV1C224KBN

Ceramic 0.22MFD 16WV

T

C217

ECUV1H104ZFN

Ceramic 0.1MFD 50WV

T

C218

ECUV1H104ZFN

Ceramic 0.1MFD 50WV

T

C220

ECUV1H123KBN

Ceramic 0.012MFD 50WV

T

C221

ECEA1HKS010I

Electrolytic 1MFD 50WV

C222

ECUV1H103KBN

Ceramic 0.01MFD 50WV

T

C223

ECEA0JKS470I

Electrolytic 47MFD 6.3WV

C232

ECEA1CKS100I

Electrolytic 10MFD 16WV

C233

ECUV1C224KBN

Ceramic 0.22MFD 16WV

T

C234

ECUV1C224KBN

Ceramic 0.22MFD 16WV

T

C237

ECUV1H333KBN

Ceramic 0.033MFD 50WV

T

C238

ECUV1H562KBN

Ceramic 5600pF 50WV

T

C239

ECEA1HKS3R3I

Ceramic 3.3MFD 50WV

C240

ECEA1HKS3R3I

Ceramic 3.3MFD 50WV

C241

ECEA1HKS010I

Electrolytic 1MFD 50WV

C242

ECEA1HKS010I

Electrolytic 1MFD 50WV

C249

ECUV1H222KBN

Ceramic 2200pF 50WV

T

C250

ECUV1H222KBN

Ceramic 2200pF 50WV

T

C253

ECEA1CKS100I

Electrolytic 10MFD 16WV

C255

ECUV1H683KBM

Ceramic 0.068MFD 50WV

T

C256

ECUV1H683KBN

Ceramic 0.068MFD 50WV

T

C257

ECUV1H683KBM

Ceramic 0.068MFD 50WV

T

C258

ECUV1H683KBM

Ceramic 0.068MFD 50WV

T

C259

ECUV1H221KBN

Ceramic 220pF 50WV

T

C262

ECUV1H221KBN

Ceramic 220pF 50WV

T

C263

ECUV1H221KBN

Ceramic 220pF 50WV

T

C264

ECUV1H221KBN

Ceramic 220pF 50WV

T

18

Summary of Contents for CQ4500U - AUTO RADIO/CD TRUCK

Page 1: ...ORDER NO ACED001011C1 C1 AUTOMOTIVE CONSUMER ELECTRONICS CQ 4500U Heavy Duty Cassette Player Weather Band Receiver with Changer Control SPECIFICATIONS ...

Page 2: ...he specified rating 10A when replacing a blown fuse Fuses with higher capacity ratings use of any substitute or connection without a fuse may result in a fire hazard or damage to the unit 3 MAINTENANCE Your product is designed and manufactured to ensure a minimum of maintenance Use a soft cloth for routine exterior cleaning Never use benzine thinner or other solvent 4 RADIO ALIGNMENT Do not align ...

Page 3: ...6 WIRING CONNECTION 7 BLOCK DIAGRAM 3 ...

Page 4: ...8 ALIGNMENT INSTRUCTIONS 8 1 Alignment Conditions Power Supply Voltage DC14 4V Output Impedance 4 Output Power 0 5W Balance Fader Control Center Bass Treble Control Center 4 ...

Page 5: ...st Tape VTVM Connection Adjust Remarks 1 DOLBY NR Rch RFKZ0038 TP201 VR1 Adjust for 388mV 2 DOLBY NR Lch RFKZ0038 TP301 VR2 Adjust for 388mV 8 3 Alignment Points 9 WIRING DIAGRAM Tape Block 10 WIRING DIAGRAM Display Block 11 WIRING DIAGRAM Main Block 12 SCHEMATIC DIAGRAM Tape Block 13 SCHEMATIC DIAGRAM Display Block 14 SCHEMATIC DIAGRAM Main Block 15 TERMINALS DESCRIPTION 5 ...

Page 6: ... OFF O 0 0 0 11 DOLBY ON OFF Dolby NR ON OFF H OFF L ON O 0 0 0 12 NC 13 MS GAIN Music Search Gain Control O 0 0 0 14 ACC ACC Detection I 5 2 5 2 5 2 15 MMT F Main Motor Control I O 4 8 4 8 4 8 16 CD MUTE Main Motor Control I O 0 0 0 17 FM AM BW FM AM Select Switch O 8 1 0 0 1 18 RADIO ON AM FM Tuner ON O 0 0 0 1 19 WB W B Tuner ON O 7 1 7 1 7 1 20 SSC FM AM SSC Control O 0 0 0 21 GND Ground 0 0 0...

Page 7: ... 0 0 40 BEEP2 Beep Sound Output 2 O 0 0 0 41 CD CLK2 CD Clock 2 I 4 7 4 7 4 7 42 CDC STB CD Changer Strobe I 2 3 2 3 2 3 43 TIN T EXIST Tape in Switch Signal input I 0 0 0 44 NC 45 NC 46 F R Forward Reverse Select Signal O 0 4 7 0 47 PW CNT System Power Control O 4 7 4 7 4 7 48 SYS CNT AMP ST BY Control O 4 8 4 8 4 8 49 MUTE Mute Control L mute ON O 4 8 4 8 4 8 50 PL ON NC 51 HDB ON S HDB ON Signa...

Page 8: ... MOTOR ANT NC 67 CDC DATA CD Changer Data I 2 2 3 2 3 68 MOD3 Tape Deck Mode3 O 4 8 4 8 4 8 69 MODE2 NC 70 MODE1 Tape Deck Mode1 I 4 8 4 8 4 8 71 SMT R Sub Motor Control R I 4 8 4 8 4 8 72 SMT F Sub Motor Control F O 0 4 8 0 73 TELMUTETelephone Mute Control I 4 7 4 7 4 7 74 VTER NC 75 GND Ground 0 0 0 76 X OUT Crystal Oscilator O 2 3 2 3 2 3 77 X IN Crystal Oscilator I 1 8 1 8 2 78 CE Chip Enable ...

Page 9: ...7 44 49 KS1 KS6Key Data Output O 5 3 50 54 K11 K15Key Data Input I 0 55 TEST Connect to Ground 0 56 VDD 5V Power Supply 5 3 57 VDD1 5V Power Supply 3 5 58 VDD2 5V Power Supply 1 8 59 VSS Connect to Ground 0 60 OSC CR Oscillator 3 9 61 DO LCD Data Output O 5 2 62 CE Chip Enable I 0 3 63 CLK LCD Clock Input I 0 64 DI LCD Data Input I 0 16 PACKAGE AND IC BLOCK DIAGRAM 16 1 Main Block 9 ...

Page 10: ...10 ...

Page 11: ...11 ...

Page 12: ...12 ...

Page 13: ...16 2 Tape Block 13 ...

Page 14: ...14 ...

Page 15: ...17 REPLACEMENT PARTS LIST Unit 15 ...

Page 16: ...44ST Transistor T Q703 YEANC114YST Transistor T Q705 YEANB123YST Transistor T Q706 YEANA123YST Transistor T Q707 YEANB123YST Transistor T Q708 YEAN2SD2007T Transistor T Q710 YEANB1243QRT Transistor T Q711 YEANC114YST Transistor T Q712 YEANB123YST Transistor T Q713 YEANC114YST Transistor T Q718 YEANDTA144ST Transistor T Q800 YEAND1762EF Transistor T Q900 YEAN2SD2007T Transistor T DISPLAY BLOCK E 4C...

Page 17: ...702 YEAD1N4005T Diode T D704 YEADMTZ91BT Zener Diode T D708 MA700TA Diode T D709 YEADRD51JS3T Zener Diode D710 YEAD1N4148C Diode T D712 YEADRD51JS3T Zener Diode T D715 YEAD1N4005T Silicon Diode T D802 YEAD1N4005T Silicon Diode T D900 YEADMTZ91BT Zener Diode T D901 MA700TA Diode T D902 MA700TA Diode T DISPLAY BLOCK E 4C201 D700 SLR342MGT31 LED Green T D920 SLR342VRT31 LED RED T D921 SLR342MGT31 LED...

Page 18: ...D 16WV T C217 ECUV1H104ZFN Ceramic 0 1MFD 50WV T C218 ECUV1H104ZFN Ceramic 0 1MFD 50WV T C220 ECUV1H123KBN Ceramic 0 012MFD 50WV T C221 ECEA1HKS010I Electrolytic 1MFD 50WV C222 ECUV1H103KBN Ceramic 0 01MFD 50WV T C223 ECEA0JKS470I Electrolytic 47MFD 6 3WV C232 ECEA1CKS100I Electrolytic 10MFD 16WV C233 ECUV1C224KBN Ceramic 0 22MFD 16WV T C234 ECUV1C224KBN Ceramic 0 22MFD 16WV T C237 ECUV1H333KBN Ce...

Page 19: ... ECEA1HKS3R3I Ceramic 3 3MFD 50WV C341 ECEA1HKS010I Electrolytic 1MFD 50WV C342 ECEA1HKS010I Electrolytic 1MFD 50WV C349 ECUV1H222KBN Ceramic 2200pF 50WV T C350 ECUV1H222KBN Ceramic 2200pF 50WV T C353 ECEA1CKS100I Electrolytic 10MFD 16WV C355 ECUV1H683KBN Ceramic 0 068MFD 50WV T C356 ECUV1H683KBM Ceramic 0 068MFD 50WV T C357 ECUV1H683KBM Ceramic 0 068MFD 50WV T C358 ECUV1H683KBN Ceramic 0 068MFD 5...

Page 20: ...Ceramic 220MFD 10WV C722 ECUV1H103KBN Ceramic 0 01MFD 50WV T C733 ECUV1H103KBN Ceramic 0 01MFD 50WV T C799 ECEA1CU222C Electrolytic 2200MFD 35WV C900 ECUV1H104KBN Ceramic 0 1MFD 50WV T C950 ECEA1HKS010I Electrolytic 1MFD 50WV DISPLAY BLOCK E 4C201 C901 ECUV1H104ZFN Ceramic 0 1MFD 50WV T C911 ECUV1H102KBN Ceramic 0 001MFD 50WV T C913 ECUV1H104ZFN Ceramic 0 1MFD 50WV T C914 ECUV1H104ZFN Ceramic 0 1M...

Page 21: ...ms 1 10W T J42 ERJ8GX0R00V Chip 0 ohms 1 8W T J44 ERJ8GX0R00V Chip 0 ohms 1 8W T J45 ERJ6GEY0R00V Chip 0 ohms 1 10W T J48 ERJ6GEY0R00V Chip 0 ohms 1 10W T J49 ERJ8GX0R00V Chip 0 ohms 1 8W T J71 ERJ6GEY0R00V Chip 0 ohms 1 10W T J72 ERJ8GX0R00V Chip 0 ohms 1 8W T J73 ERJ8GX0R00V Chip 0 ohms 1 8W T J75 ERJ8GX0R00V Chip 0 ohms 1 8W T J80 ERJ8GX0R00V Chip 0 ohms 1 8W T J81 ERJ6GEY0R00V Chip 0 ohms 1 10...

Page 22: ...2 2k ohms 1 10W T R21 ERJ6GEYJ224 Chip 220k ohms 1 10W T R22 ERJ6GEYJ222 Chip 2 2k ohms 1 10W T R23 ERJ6GEYJ152 Chip 1 5k ohms 1 10W T R25 ERJ8GEYJ332V Chip 3 3k ohms 1 8W T R26 ERJ6GEYJ332 Chip 3 3k ohms 1 10W T R50 ERJ6GEYJ5R6 Chip 5 6 ohms 1 10W T R51 ERJ6GEYJ472 Chip 4 7k ohms 1 10W T R52 ERJ6GEYJ223 Chip 22k ohms 1 10W T R53 ERJ6GEYJ221 Chip 220 ohms 1 10W T R54 ERJ8GEYJ103V Chip 10k ohms 1 8...

Page 23: ...W T R363 ERJ8GEYJ101V Chip 100 ohms 1 8W T R371 ERD25TJ101 Chip 100 ohms 1 4W T R372 ERD25TJ101 Chip 100 ohms 1 4W T R381 ERJ8GEYJ223V Chip 22k ohms 1 8W T R382 ERG6GEYJ223 Chip 22k ohms 1 10W T R401 ERJ8GEYJ472V Chip 4 7k ohms 1 8W T R404 ERDS2TJ152 Carbon 1 5k ohms 1 4W T R405 ERJ6GEYJ152 Chip 1 5k ohms 1 8W T R406 ERDS2TJ152 Carbon 1 5k ohms 1 4W T R407 ERJ6GEYJ471 Chip 470 ohms 1 10W T R408 ER...

Page 24: ...01 Carbon 100 ohms 1 2W T R901 ERDS1FJ101 Carbon 100 ohms 1 2W T R902 ERD25TJ102 Carbon 1k ohms 1 4W T R910 ERJ6GEYJ102V Chip 1k ohms 1 10W T R911 ERJ8GEYJ222V Chip 2 2k ohms 1 8W T R912 ERJ6GEYJ153 Chip 15k ohms 1 10W T C251 ERJ6GEYJ392V Chip 3 9k ohms 1 10W T C351 ERJ6GEYJ392V Chip 3 9k ohms 1 10W T DISPLAY BLOCK E 4C201 R500 ERJ6GEYJ391 Chip 390 ohms 1 10W T R700 ERJ6GEYJ391 Chip 390 ohms 1 10W...

Page 25: ...126 ERJ8GX0R00V Chip 0 ohms 1 8W T R1 ERJ6GEYJ683 Carbon 68k ohms 1 10W T R2 ERJ6GEYJ223 Carbon 22k ohms 1 10W T R3 ERJ6GEYJ683 Carbon 68k ohms 1 10W T R4 ERJ6GEYJ683 Carbon 68k ohms 1 10W T R5 ERJ6GEYJ683 Carbon 68k ohms 1 10W T R6 ERJ6GEYJ391 Carbon 390 ohms 1 10W T R7 ERJ6GEYJ391 Carbon 390 ohms 1 10W T R8 ERJ6GEYJ104 Carbon 100k ohms 1 10W T R9 ERJ6GEYJ392 Carbon 3 9k ohms 1 10W T R12 ERJ8GEYJ...

Page 26: ...PE BLOCK E 4C141 1 CN1 YEAE5597A09 Connector CN2 YEAE5325404 Connector CN3 YEAE012684 Connector CN4 YEAE012659 Connector 1 6 Electric Parts SWITCHES SW1 YEAS08031B62 SWITCH SW700 EVQPJJ04T SWITCH SW901 EVQPJJ04T SWITCH SW902 EVQPJJ04T SWITCH SW904 EVQPJJ04T SWITCH SW905 EVQPJJ04T SWITCH SW909 EVQPJJ04T SWITCH SW910 K0H1BA000083 SWITCH SW911 EVQPJJ04T SWITCH SQ912 EVQPJJ04T SWITCH SW913 EVQPJJ04T S...

Page 27: ...s Filter T LCD LCD901 YEXDCM4C077 LCD T VARIABLE RESISTOR VR1 EVQBAR00109B Encode VR POSISTOR PT701 YERT7AR4R7MT Posistor 1 7 Accessories PRINTING YFM284C331ZA Operating Instructions T YFM074C124ZA Warranty Card T YFM094C012ZA W B Service List T YFM094C021ZA SVC Card EU T INSTALLATION PARTS YAJ024C083ZA Power Cord Ass y T FP 164 Screw Kit and Dismounting Pin T YEFG044C002 Rear Support Strap T FX02...

Page 28: ...on MUTE sol SCAN T 1 B 13 YFE074C053ZA Button KNOB T 1 A 14 FX0014C055YA Panel Light PRESET T 1 A 15 XTN2 8GFZ Screw T 1 B 16 YEADGL36F Back Light Module T 1 B 17 FX0214C208ZA LCD Bracket T 1 B 18 XTW2 5FFXS Screw T 4 C 19 XTB3 6FFXS Screw 20 YEJS064C001 Screw T 2 B 2 C 21 YEJV014C002A Bolt T 2 C 23 YEJT034C019 Screw T 1 C 2 A 24 XSS5 6FXS Screw T 1 C 2 A 25 YEJT034C001 Screw T 1 C 2 B 26 YFE134C3...

Page 29: ...19 REPLACEMENT PARTS LIST Tape Player Parts 29 ...

Page 30: ...30 ...

Page 31: ...Tension Spring F 2 A 3 B 40 YESAK01013 Sub Motor Ass y 4 A 43 YESAK01014 Main Motor Ass y 4 A 44 YESAE283 M Connector Ass y 4 A 45 YESFX006002 Wire Clamper 3 A 48 YESFX213004 FL Capstan ASS Y 1 B 49 YEFSFR03003 Main Belt 1 B 52 YESFX046064 Case Lifter 4 A 53 YESFX239006 Cassette Case 3 B 54 YESFS04007 Cusion Rubber 3 B 56 YESFX046065 P S Actuator Plate 4 A 57 YESFX005075 P S Spring 4 A 58 YESFX046...

Page 32: ...21 PACKING PARTS LIST 32 ...

Page 33: ...Not Available 3 Packing Pad Right and Left 1 Not Available 4 YEFG044C002 Rear Support Strap 1 5 Operating Instructions Kit 1 Not Available YFM284C331ZA Operating Instructions 1 Warranty Card 1 Not Available Service Center List 1 Not Available 6 FP 164 Screw Kit and Dismounting Pin 1 7 YAJ024C083YB Power Connector Ass y 1 8 FX0214C079YA Mounting Collar 1 Printed in Taiwan 2000 10 33 ...

Page 34: ...E 4C199 ...

Page 35: ... E 4C141 1 Bottom Vie w ...

Page 36: ... E 4C141 1 Top View ...

Page 37: ... E 4C206 BOTTOM VIEW ...

Page 38: ... E 4C206 TOP VIEW ...

Page 39: ... E 4C199 Bottom View ...

Page 40: ... E 4C199 Top View ...

Page 41: ...E 4C141 1 ...

Page 42: ...E 4C201 ...

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