Panasonic CX-CA1270L Service Manual
Specification*
ORDER No. AED0209026
I0
AUTOMOTIVE ELECTRONICS
AUDI
CX-CA1270L
6-Disc CD Changer
PART No. : 4E0 035 111
VEHICLE : Audi A8
DESTINATION : All Countries
PRODUCED AFTER : Jan., 2002
General
Power Supply DC 12V (11V - 16V),
Test Voltage 13.2V
Negative Ground
Current Consumption Less than 3.0A (at 0.5W)
Power Output 30W×4
Output Impedance 4Ω
AM Radio
Frequency Range 530 - 1,710kHz
Usable Sensitivity 24dB/µV (S/N 20dB)
FM Stereo Radio
Frequency Range 87.75 - 107.9MHz
Usable Sensitivity 7dB/µV (S/N 30dB)
IDC
Signal to Noise Ratio More than 68dB (IHF-A)
Total Harmonic Distortion Less than 0.4%
Channel Separation 65dB (IHF-A)
Dimensions** (W×H×D) 209×86×164mm
Weight** 2.1kg
* Specifications and the design are subject to possible modification
without notice due to improvements.
** Dimensions and Weight shown are approximate.
© 2002 Matsushita Communication Industrial Co.,
Ltd. All rights reserved. Unauthorized copying and
distribution is a violation of law.
AUDI / CX-CA1270L
CONTENTS
Page Page
1 FEATUERS 2
2 LASER PRODUCTS
3 FRONT VIEW
4 REAR AND TOP VIEW
5 WIRING CONNECTIONS
6 BLOCK DIAGRAM
7 TERMINALS DESCRIPTION
8 PACKAGE AND IC BLOCK DIAGRAM
9 REPLACEMENT PARTS LIST
10 EXPLODED VIEW (Unit) 14
11 CD CHANGER PARTS LIST
2
3
12 EXPLODED VIEW (CD Deck-1)
13 EXPLODED VIEW (CD Deck-2)
3
4
14 EXPLODED VIEW (CD Deck-3)
5
15 WIRING DIAGRAM
16 SCHEMATIC DIAGRAM-1
7
9
17 SCHEMATIC DIAGRAM-2
11
15
18
19
20
21
26
29
1 FEATUERS
•
• PLL (Phase Locked Loop) synthesized tuning.
• •
•
• 18-station preset (12-FM, 6-AM).
• •
•
• 6-Disc CD changer (in dash board).
• •
•
• Adjustable VOL, BAS, TRE, FAD and BAL.
• •
•
• GA-NET BUS.
• •
2 LASER PRODUCTS
2
3 FRONT VIEW
AUDI / CX-CA1270L
4 REAR AND TOP VIEW
3
AUDI / CX-CA1270L
5 WIRING CONNECTIONS
4
6 BLOCK DIAGRAM
6.1. Main/Power/Display Block
AUDI / CX-CA1270L
5
AUDI / CX-CA1270L
6.2. CD Servo Block
6
7 TERMINALS DESCRIPTION
AUDI / CX-CA1270L
7.1. Main Block
IC601 : C2CBKH000010
Pin
No.
1 P120 Security ROM Select O 0
2 P121 Security data shift clock O 0
3 P122 Security data output O 0
4 P123 Security data input I 0
5 P124 Battery level detection control O 4.9
6-8 - No connection - -
9 VDD +5V digital power supply - 4.9
10 X2 Crystal ocillator - 3.1
11 X1 Crystal ocillator - 2.5
12 VSS Digital ground - 0
13 XT2 Not used - 14 XT1 (Connecting to Ground) - 0
15 RESET Reset I 4.9
16 M INT Interrupt input I 5.1
17 BATT-DET Battery level detection I 4.8
18 IWAKEUP Wake-up signal input I 0
19 EJECT Eject switch I 4.9
20 BCLK5 Shift clock for optical comm. LSI O 2.8
21 MAGA_IN Load switch I 4.9
22 STATUS Status signal O 0
23 AVDD +5V analog power supply - 4.8
24 AVREF +5V analog power supply - 4.8
25 7V_DET Battery level (7V) detection I 4.3
26 1V_DET Battery level (1V) detection I 1.0
27 GND Ground - 3.9
28-32GND (Connecting to Ground) - 0
Port Descriptions I/O Vol
(V)
Pin
No.
67 DOOR Door illumination on/off O 0
68 P54 ACC 5V power control O 4.8
69 PON System power control O 4.9
70 MON Not used - 71 MWAKEUP IC501 wake-up O 0
72 VSS Ground - 0
73 OWAKEUP wake-up signal output O 0
74-
76
77 MERROR IC501 error signal I 0
78 MSTAT IC501 status signal I 0
79,80NC No connection - -
81 VDD +5V digital power supply - 4.9
82 LED_ON LCD power control O 4.8
83-85NC No connection - -
86 MODE1 Not used - 87 MODE2 Not used - 88 DIAG1 Diag. signal input I 0
89 DIAG2 Diag. signal input I 0
90-92NC No connection - -
93 F_WRITE ROM data wirte control O 0
94 VPP ROM wite power supply - 0
95-
100
Port Descriptions I/O Vol
- No connection - -
NC No connection - -
(V)
33 AVSS Analog ground - 0
34 RX_RST Optical comm. Receiver reset O 0
35 NC No connection - 36 VDD +5V digital power supply - 4.8
37 SRDATA5 Serial data for optical comm. LSI O 0
38 NC No connection - 39 TEXTCLK Sub clock O 4.8
40 SOMM Serial data I 2.9
41 SIMM Serial data O 0
42 SCKM Shift clock O 4.8
43 CNT_SI0 Buffer gate on/off O 4.8
44 NC No connection - 45 MDA I/F data - 4.6
46 MRST Reset O 4.8
47 MCK I/F data shift clock O 5.0
48 MUTE Mute control O 0
49 TEXT_EN TEXT clock enable O 0
50 RX_ON Optical comm. Receiver power
control
51 NC No connection - -
52-55NC No connection - -
56 CDON5 CD power on O 4.9
57 RESET5 CD reset O 4.9
58 DATA LCD data O 0.5
59 CLK LCD data shift clock O 0.5
60 LCK LCD data load clock O 0
61 OPTPW Optical comm. controller power
on/off
62 KS1 Key strobe O 0
63 KS0 Key strobe O 0
64 KI2 Key data input I 0
64 KI1 Key data input I 0
66 KI0 Key data input I 4.9
O 0
O 0
7
AUDI / CX-CA1270L
7.2. CD Servo Block
IC201 : MN662785TBUC
Pin
No.
1 DVDD3 +5V power supply - 3.6
2 D0 D-RAM data I/O 2.0
3 D1 D-RAM data I/O 2.0
4 NWE D-RAM data write O 3.0
5 NRAS D-RAM row address strobe O 3.2
6 D2 D-RAM data I/O 2.1
7 D3 D-RAM data I/O 1.9
8 NCAS0 D-RAM columun address strobe O 2.8
9 NCAS1 D-RAM columun address strobe O 1.4
10 A8 D-RAM address O 1.0
11-14 A7-4 D-RAM address O 1.1
15 A9 D-RAM address O 1.1
16-18 A0-A2 D-RAM address O 1.1
19 A3 D-RAM address O 1.1
20 DVSS2 Ground - 0
21 DVDD2 +5V power supply - 3.6
22 SPOUT Not used - 1.5
23 TRVP Traverse motor control O 1.9
24 TRVM Traverse motor control O 1.9
25 TRP Trackng coil drive O 1.9
26 TRM Trackng coil drive O 1.9
27 FDP Focus coil drive O 2.0
28 FDM Focus coil drive O 2.0
29 FBAL Focus balance O 1.9
30 TBAL Tracking balance O 1.9
31 CSEL (Connecting to VDD) - 3.6
32 FE Focus error I 2.0
33 TE Tracking error I 1.9
34 RFENV RF envelope I 1.9
35 OFT Off track signal I 0
36 NRFDET RF detecting signal I 0
37 BDO Drop-out signal I 0
38 LDON Laser on signal O 3.6
39 ARF RF signal I 1.9
40 IREF Reference current input I 1.2
41 ADPVCC (Connecting to ground) - 0
42 DSLF Loop filter for DSL - 2.0
43 DRF Loop filter for DSL - 2.2
44 PLLF Loop filter for PLL - 1.3
45 VCOF VCO filter - 1.3
46 AVDD2 +5V power supply - 3.6
47 AVSS2 Ground - 0
48 OUTL L channel output O 1.8
49 AVSS1 Ground - 0
50 OUTR R channel output O 1.8
51 AVDD1 +5V power supply - 3.5
52 FSEL (Connecting to P3V) - 3.7
53,54 - (Connecting to ground) - 0
55 FLAG Flag output O 0
56 CLVS Servo status signal O 3.6
57-60 - Not used - -
61 MCLK Clock for I/F command I 2.4
62 MDATA Date for I/F command I 1.9
63 MLD I/F command load I 3.5
64 BLKCK Subcode block clock O 0
65 SQCK Ext.clock for sub code-Q I 3.5
66 SUBQ Code for sub. code-Q O 1.1
67 DMUTE Mute input I 0
68 STAT Status signal O 1.1
69 NRST Reset input I 3.6
70 SPPOL Not used - 71 PMCK Clock output O 2.0
72 SMCK Clock output O 1.9
73 SDATA Serial data O 0
74 LRCK LR clock O 0
75 BCLK Bit clock O 0
76 /TEST (Connecting to VDD) - 1.5
77 X1 Crystal oscillator - 1.8
78 X2 Crystal oscillator - 1.8
Port Descriptions I/O Vol
(V)
Pin
No.
79 DVDD1 +5V power supply - 3.6
80 DVSS1 Ground - 0
Port Descriptions I/O Vol
IC301 : C2BBGF000364
Pin
No.
1 PS Motor power save O 3.5
2 BR Brake mode selection O 0
3 GCTL Motor G-control O 1.6
4 SPCCTL Motor speed control O 3.5
5 - Not used - 6 MCLK Clock for I/F command O 2.9
7 MDATA Data for I/F command O 1.9
8 MLD I/F command losd O 3.5
9 VSS0 Ground - 0
10 VDD0 +3V power supply - 3.5
11 STAT Status signal I 1.2
12 FLOCK Focus servo lock O 0
13 TLOCK Tracking servo lock O 0
14 SENS Servo status O 0
15 SIM CD changerserial data I 3.1
16 SOM CD changerserial data O 2.2
17 SCKM Serial data shift clock I 3.2
18 SUBQ Code for sub. code-Q I 1.7
19 - Not used - 20 SQCK Ext. clock for sub. code-Q O 3.6
21 NRST Reset output O 3.6
22 DMUTE Mute output O 0
23 MUTE Mute output O 0
24 VDD1 +3V power supply - 3.5
25 AVSS1 Ground - 0
26 SW15 Feeder SW I 3.6
27 SW3 Tray H SW I 3.5
28 SW4 Disc push SW I 0.5
29 SW5 Disc SW I 0
30 SW6 Disc load SW I 0
31 SW7 Eject SW I 0
32 SW13 Eject2 SW I 0
33 CLVS Servo status O 3.6
34 AVREF +3V power supply - 3.6
35 - Not used - 36 /RESET Reset I 3.6
37 XT2 Not used - 38 XT1 (VDD pull-up) - 3.6
39 IC(VPP) (Connecting to ground) - 0
40 X2 Crystal Osillator - 2.1
41 X1 Crystal Osillator - 1.8
42 VSS1 Ground - 0
43 CDON CD changer start/stop I 3.1
44 BLKCK Sub. code block clock I 0
45 FG Flag signal I 1.9
46 BD0 Drop-out signal I 0
47 FR Revolution detection I 0
48 TRV Forced traverse control O 1.9
49 PWM Not used - 50 VMI+ Horizontal motor control O 0
51 VMI- Horizontal motor control O 0
52 MUTE1 Mute output O 3.6
53 LODI+ Loading motor control O 0
54 LODI- Loading motor control O 0
55 HMI+ Vertical motor control O 0
56 HMI- Vertical motor control O 0
57 SW1 Inner SW I 3.6
58 SW2 TrayG SW I 0
59 SW8 Play SW I 0
60 SW9 Clump SW I 3.6
61 SW10 Shuter SW I 3.6
62 SW11 Horizontal origin SW I 3.6
63 SW12 Outer2 SW I 3.7
64 SW14 Outer SW I 3.6
Port Descriptions I/O Vol
(V)
(V)
8
8 PACKAGE AND IC BLOCK DIAGRAM
8.1. Main Block
AUDI / CX-CA1270L
IC702 : LP2950CDT
IC501 : C1EB00000047
IC621 : C0CBAJC00006
IC721 : MN1382QPIC
8.2. Power Block
IC1 : C0DAZHG00001
8.3. Display Block
IC701 : C0CBABC00039
IC901 : C0GBA0000002
9
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