Panasonic CQ-4400U User manual

ORDERNO.ACED000901C1
C1
AUTOMOTIVE CONSUMERELECTRONICS
CQ-4400U
HeavyDutyCassette Player /Weather Band Receiver with Changer
Control
SPECIFICATIONS
2000 Matsushita Communication Industrial Co., Ltd. All rights
reserved. Unauthorized copying and distribution isaviolation of
law.
1

1. FEATURES
-24-Stations Preset (6-FM1, 6-FM2, 6-W/B, 6-AM)
-Metal (CrO2)/Normal Tape Selector.
-ElectronicControl of Volume, Bass, Treble, Balance and Fader
-DolbyNR function.
-CD Changer Control function
-TPS (Tape Program Search )function.
-Clock function.
-Head Clean Alarm
-Reset Switch
2. REPLACING THE FUSE
Be sure touse a fuse of the specifiedrating (10A) whenreplacing a blownfuse. Fuses with
highercapacityratings, use of anysubstitute, connection without a fuse mayresult ina fire
hazardordamage tothe unit.
3. MAINTENANCE
Yourproduct is designedand manufacturedtoensure a minimumof maintenance. Use a soft
clothforroutine exteriorcleaning. Neveruse benzine, thinnerorothersolvent.
4. RADIO ALIGNMENT
Donot align the AM/FM package blocks. Whenthe package block is necessary, it will be
suppliedalreadyalignedat the factory.
5. DIMENSIONS
2

6. WIRING CONNECTION
3

7. BLOCK DIAGRAM
4

8. ALIGNMENT INSTRUCTIONS
8.1. Alignment Conditions
-Power SupplyVoltage :DC14.4V
-Output Impedance :4W
-Balance, Fader Control :Center
5

-Bass, TrebleControl :Center
Note:
Donot align the FM/AMpackage blocks. When the package block is
necessary, itwill be supplied alreadyaligned at the factory.
8.2. DolbyNR Alignment
Step Alignment Item Test Tape VTVM Connection Adjust Remarks
1DOLBY NR Rch RFKZ0038 TP201 VR201 Adjust for388mV
±
2DOLBY NR Lch RFKZ0038 TP301 VR301 Adjust for388mV
±
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
6

15.1. MainBlock
IC601 YEAM17708621
Pin
No. Name Description I/O Vol. (V)
AM FM TAPE
1 BATT BatteryDetection I 5.3 2.5 5.3
2 (NC) (Connect to
Ground) | - - -
3MODE2 Tape Detection
input I4.7 4.7 4.7
4 (NC) (Connect to
Ground) - - - -
5MS Nosound
Detection (TPS) I O O O
6 R-REEL Reel Pulse
Detection(R) I 1.5 2.3 3
7F-REEL Reel Pulse
Detection(F) I1.4 2 3.1
8 (NC) - - - - -
9 ST StereoSignal
Input I4.6 4.6 4.6
10 MTL Deck Metal
Output H:ON L:
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 Music Search
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/AM Select Switch O 8.1 0 0.1
18 RADIO
ON AM/FM TunerON O 0 0 0.1
19 WB W/B TunerON O 7.1 7.1 7.1
20 SSC FM/AM SSC
Control O 0 0 0
21 GND Ground - 0 0 0
22 (NC) - - - - -
23 (NC) - - - - -
24 INITB (Pull-down) - 0 0 0
25 INITA (Connect to
Ground) - 0 0 0
7

Pin
No. Name Description I/O Vol. (V)
AM FM TAPE
26 SD FM FM SD Input I 0.2 0.7 0.7
27 SD AM AM SD Input I 2.4 2.4 2.7
28 AMIFC AM IFInput I 0 0 0
29 FMIFC FM IFInput I 1.2 1.6 2.5
30 VDD Powersupply+5V - 4.8 4.8 4.8
31 FM/AM
OSC FM OSC Input I 2.6 2.6 2.6
32 WB OSC WB OSC Input I 0 0 0
33 GND Ground - 0 0 0
34 E01 FM / AM VT
Output O1.5 1.5 1.5
35 E02 (NC) - - - - -
36 (NC) (Connect to
Ground) - - - -
37 MONO
(NC) - - - - -
38 LOC
(NC) - - - - -
39 BEEP1 BeepSound
Output 1 O 0 0 0
40 BEEP2 BeepSound
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 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
Select Signal O 0 4.7 0
47 PW CNT SystemPower
Control O4.7 4.7 4.7
48 SYS
CNT AMP ST-BY Control O4.8 4.8 4.8
49 MUTE Mute Control L:
mute ON O 4.8 4.8 4.8
50 PLON
(NC) - - - - -
51 HDB ON S HDB ON Signal
Output O4.8 4.8 4.8
52 (NC) - - - - -
53 CDC
SELECT(NC)
- - - - -
8

Pin
No. Name Description I/O Vol. (V)
AM FM TAPE
54 (NC) - - - - -
55 LCD
D01 (NC) - - - - -
56 LCD
CLK LCD Clock O 0 0 0
57 LCD DI
(MO) LCD Data input O 0 0 0
58 LCD CE LCD ChipEnble O 0.3 0.3 0
59 LCD
DO(MI) LCD Data Output I 5.3 5.3 5.3
60 (NC) - - - - -
61 (NC) - - - - -
62 REMOUT RemotoData
Output O4.8 4.8 4.8
63 12C
DATA 12C Data I 0 5 4.9
64 12C CLK 12C Clock O 5 5 5
65 CDC
CLK CD Changer Clock I 2 2.3 2.3
66 MOTOR
ANT
(NC)
- - - - -
67 CDC
DATA CD ChangerData 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 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 Reset input I 4.8 4.8 4.8
15.2. DisplayBlock
9

IC901 YEAMLC75853E
Pin
No. Name Description I/O Volt(V)
1 (NC) - - -
2 P.LED LED IndicatorSignal
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~KS6KeyData Output O 5.3
50~54 K11~K15 KeyData Input I 0
55 TEST (Connect toGround) - 0
56 VDD +5V PowerSupply - 5.3
57 VDD1 +5V PowerSupply - 3.5
58 VDD2 +5V PowerSupply - 1.8
59 VSS (Connect toGround) - 0
60 OSC CR Oscillator - 3.9
61 DO LCD Data Output O 5.2
62 CE ChipEnable 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. MainBlock
10