Panasonic CQ4500U - AUTO RADIO/CD TRUCK User manual

ORDERNO.ACED001011C1
C1
AUTOMOTIVE CONSUMERELECTRONICS
CQ-4500U
HeavyDutyCassette Player/WeatherBand ReceiverwithChanger
Control
SPECIFICATIONS

law.
1. FEATURES
-24-StationsPreset (6-FM1, 6-FM2, 6-W/B, 6-AM)
-Metal (CrO2)/Normal TapeSelector
-ElectronicControl ofVolume, Bass, Treble, Balance and Fader
-S.HDB (SuperHigh Difinition Bass) function
-DolbyNR function
-CD ChangerControl function
-TPS (TapeProgramSearch)function
-RESETSWITCH
2. REPLACING THE FUSE
Besuretoafuse ofthespecifiedrating (10A)whenreplacing ablownfuse. Fuses withhigher
capacityratings, use ofanysubstitute, or connection withoutafuse may resultinafirehazard or
damagetotheunit.
3. MAINTENANCE
Your productisdesignedand manufacturedtoensureaminimum ofmaintenance. Use asoft
clothfor routineexterior cleaning. Neveruse benzine, thinneror othersolvent.
4. RADIO ALIGNMENT
Donotalign theAM/FMpackageblocks. Whenthepackageblock isnecessary, itwill besupplied
alreadyalignedatthefactory.
5. DIMENSIONS
2

6. WIRING CONNECTION
7. BLOCK DIAGRAM
3

8. ALIGNMENTINSTRUCTIONS
8.1. AlignmentConditions
-PowerSupplyVoltage:DC14.4V
-OutputImpedance :4
-OutputPower:0.5W
-Balance, FaderControl :Center
-Bass, TrebleControl :Center
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Note:
Donotalign theFM/AMpackageblocks. Whenthepackageblock is
necessary, itwill besuppliedalreadyalignedat thefactory.
8.2. DolbyNR Alignment
Step AlignmentItem TestTape VTVMConnection Adjust Remarks
1DOLBYNR Rch RFKZ0038 TP201 VR1 Adjustfor 388mV
±
2DOLBYNR Lch RFKZ0038 TP301 VR2 Adjustfor 388mV
±
8.3. AlignmentPoints
9. WIRING DIAGRAM(Tape Block)
10. WIRING DIAGRAM(DisplayBlock)
11. WIRING DIAGRAM(MainBlock)
12. SCHEMATICDIAGRAM(Tape Block)
13. SCHEMATICDIAGRAM(DisplayBlock)
14. SCHEMATICDIAGRAM(MainBlock)
15. TERMINALSDESCRIPTION
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15.1. MainBlock
IC601 YEAM17708614
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 MusicSearchGain
Control 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/AMSSCControl 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
6

Pin
No. Name Description I/O Vol. (V)
AM FM TAPE
30 VDD Powersupply+5V - 4.8 4.8 4.8
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 ChangerStrobe I 2.3 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-BYControl O 4.8 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
7

CLK
Pin
No. Name Description I/O Vol. (V)
AM FM TAPE
57 LCD DI
(MO) LCD Datainput O 0 0 0
58 LCD CE LCD ChipEnble O 0.3 0.3 0
59 LCD
DO(MI) LCD DataOutput I 5.3 5.3 5.3
60 (NC) - - - - -
61 (NC) - - - - -
62 REMOUT RemotoData
Output O4.8 4.8 4.8
63 12C
DATA 12CData I 0 5 4.9
64 12CCLK 12CClock O 5 5 5
65 CDC
CLK CD ChangerClock I 2 2.3 2.3
66 MOTOR
ANT
(NC)
- - - - -
67 CDC
DATA CD ChangerData I 2 2.3 2.3
68 MOD3 TapeDeck Mode3 O 4.8 4.8 4.8
69 MODE2
(NC) - - - - -
70 MODE1 TapeDeck Mode1 I 4.8 4.8 4.8
71 SMT-R Sub Motor Control
(R) I4.8 4.8 4.8
72 SMT-F Sub Motor Control
(F) O 0 4.8 0
73 TELMUTE TelephoneMute
Control I4.7 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 ChipEnable I 4.8 4.8 4.8
79 VDD Powersupply+5V - 4.8 4.8 4.8
80 RESET Resetinput I 4.8 4.8 4.8
15.2. DisplayBlock
IC901 YEAMLC75853E
8

Pin
No. Name Description I/O Volt (V)
1(NC) - - -
2P.LED LEDIndicator Signal
Output O 0
3~40 S3~S40 LCD Segment O 2.7
41 COM1 LCD Common O 2.7
42 COM2 LCD Common O 2.7
43 COM3 LCD Common O 2.7
44~49 KS1~KS6Key DataOutput O 5.3
50~54 K11~K15Key DataInput I 0
55 TEST (ConnecttoGround) - 0
56 VDD +5V PowerSupply - 5.3
57 VDD1 +5V PowerSupply - 3.5
58 VDD2 +5V PowerSupply - 1.8
59 VSS (ConnecttoGround) - 0
60 OSC CR Oscillator - 3.9
61 DO LCD DataOutput O 5.2
62 CE ChipEnable I 0.3
63 CLK LCD Clock Input I 0
64 DI LCD DataInput I 0
16. PACKAGEAND ICBLOCK DIAGRAM
16.1. MainBlock
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