Panasonic CQ5500U - AUTO RADIO/CD TRUCK User manual

ORDERNO.ACED001012C1
C4
AUTOMOTIVE CONSUMERELECTRONICS
CQ-5500U
HeavyDutyCD Player/ WeatherBand ReceiverwithChangerControl
SPECIFICATIONS

1. FEATURES
-24-StationsPreset (6-FM1, 6-FM2, 6-W/B, 6-AM).
-ElectronicControl ofVolume, Bass, Treble, Balance and Fader.
-32 times oversampling MASH1bit/4DACsystem.
-Digital servoforreliableplayback.
-S.HDB (SuperHigh Definition Bass) function.
-Clock function.
-Poweramplifieroutput:37Wx4
-TemperatureReadout
2. REPLACING THE FUSE
Besuretouse afuse ofthespecifiedrating (10A)whenreplacing ablownfuse. Fuses with
highercapacityratings, use ofanysubstitute, or connection withoutafuse may resultinafire
hazard or damagetotheunit.
3. MAINTENANCE
Your productisdesignedand manufacturedtoensureaminimum ofmaintenance. Use asoft
clothfor routineexterior cleaning. Neveruse benzine, thinneror othersolvent.
4. RADIO AND CD DECK ALIGNMENT
-RADIO BLOCK / Donotalign theAM/FMand WB(WeatherBand)
packageblocks. Whenthepackageblock isnecessary, itwill be
suppliedalreadyalignedat thefactory.
-CD DECK BLOCK / Thismodel has no servoaligmentpoints
because microcomputercontrolstheservocircuit.
5. DIMENSIONS
2

6. WIRING CONNECTION
3

7. BLOCK DIAGRAM
8. SCHEMATICDIAGRAM(DisplayBlock)
9. WIRING DIAGRAM(DisplayBlock)
4

10. PACKAGEAND ICBLOCK DIAGRAM
5

6

7

11. SCHEMATICDIAGRAM(MainBlock)
12. WIRING DIAGRAM(MainBlock)
13. TERMINALSDESCRIPTION
13.1. MainBlock
IC601 YEAM17708614
8

Pin
No. Name Description I/O Vol. (V)
AM FM TAPE
1BATT BatteryDetection I 5.3 2.5 5.3
2(NC) (Connectto
Ground) - - - -
3MODE2 TapeDetection
input I4.7 4.7 4.7
4(NC) (Connectto
Ground) - - - -
5MS Nosound
Detection (TPS) I O O O
6R-REEL Reel Pulse
Detection(R) I1.5 2.3 3
7F-REEL Reel Pulse
Detection(F) I1.4 2 3.1
8(NC) - - - - -
9ST StereoSignal Input I 4.6 4.6 4.6
10 MTL Deck Metal Output
H:ONL:OFF O 0 0 0
11 DOLBY
ON/OFF DolbyNR ON/OFF H:OFF L:ON O 0 0 0
12 (NC) - - - - -
13 MS GAIN MusicSearch
GainControl O 0 0 0
14 ACC ACC Detection I 5.2 5.2 5.2
15 MMT-F MainMotor
Control I/O 4.8 4.8 4.8
16 CD MUTE MainMotor
Control I/O 0 0 0
17 FM/AM
BW FM/AMSelect Switch O 8.1 0 0.1
18 RADIO
ON AM/FMTunerON O 0 0 0.1
19 WB W/BTunerON O 7.1 7.1 7.1
20 SSC FM/AMSSC
Control O 0 0 0
21 GND Ground - 0 0 0
22 (NC) - - - - -
23 (NC) - - - - -
24 INITB (Pull-down) - 0 0 0
25 INITA (Connectto
Ground) - 0 0 0
26 SDFM FMSDInput I 0.2 0.7 0.7
27 SDAM AMSDInput I 2.4 2.4 2.7
28 AMIFC AMIFInput I 0 0 0
29 FMIFC FMIFInput I 1.2 1.6 2.5
30 VDD Powersupply+5V - 4.8 4.8 4.8
9

Pin
No. Name Description I/O Vol. (V)
AM FM TAPE
31 FM/AM
OSC FMOSCInput I 2.6 2.6 2.6
32 WBOSC WBOSCInput I 0 0 0
33 GND Ground - 0 0 0
34 E01 FM/ AMVTOutput O 1.5 1.5 1.5
35 E02 (NC) - - - - -
36 (NC) (Connectto
Ground) - - - -
37 MONO
(NC) - - - - -
38 LOC(NC) - - - - -
39 BEEP1 BeepSound
Output1 O 0 0 0
40 BEEP2 BeepSound
Output2 O 0 0 0
41 CD CLK2 CD Clock 2 I 4.7 4.7 4.7
42 CDC STB CD Changer
Strobe I2.3 2.3 2.3
43 TIN/T
EXIST Tape-inSwitch Signal input I 0 0 0
44 (NC) - - - - -
45 (NC) - - - - -
46 F/R Forward/Reverse
SelectSignal O 0 4.7 0
47 PWCNT System Power
Control O4.7 4.7 4.7
48 SYS CNT AMP ST-BY
Control O4.8 4.8 4.8
49 MUTE MuteControl L:
muteON O4.8 4.8 4.8
50 PLON
(NC) - - - - -
51 HDB ON S HDB ONSignal
Output O4.8 4.8 4.8
52 (NC) - - - - -
53 CDC
SELECT
(NC)
- - - - -
54 (NC) - - - - -
55 LCD D01
(NC) - - - - -
56 LCD CLK LCD Clock O 0 0 0
57 LCD DI
(MO) LCD Datainput O 0 0 0
58 LCD CE LCD ChipEnble O 0.3 0.3 0
10