Mitsubishi CQEB-0260-L Service manual
ORDER No.5043
AUTOMOTIVE ELECTRONICS
MITSUBISHI
CQ-EB0260L
AM/FM MPX ELECTRONIC TUNING
RADIO with 6-Disc CD Changer
MITSUBISHI PART No. : MR570499
VEHICLE : Endeavor
DESTINATION : North America
PRODUCED AFTER : Nov., 2002
I0
Specifications*
General
Power Supply DC 12V (11V - 16V),
Test Voltage 13.2V,
Negative Ground
Current Consumption Less than 1.0A
Output Voltage More than 200mV
Output Impedance 10kΩ
AM Radio
Frequency Range 530 - 1,710kHz
Usable Sensitivity 26dB/µV (S/N 20dB)
FM Stereo Radio
Frequency Range 87.75 - 107.9MHz
Usable Sensitivity 7dB/µV (S/N 30dB)
CD Player
Signal to Noise Ratio More than 66dB
Total Harmonic Distortion Less than 0.4%
Channel Separation More than 55dB
Dimension** (W×H×D) 178 × 100 × 166.7mm
Weight** 2.15kg
* Specifications and the design are subject to possible modification
without notice due to improvements.
** Dimensions and Weight shown are approximate.
MITSUBISHI / CQ-EB0260L
CONTENTS
Page Page
1 FEATUERS 2
2 LASER PRODUCTS
3 SYSTEM BLOCK DIAGRAM
4 FRONT AND REAR VIEW
5 WIRING CONNECTIONS
6 BLOCK DIAGRAM
7 TERMINALS DESCRIPTION
8 PACKAGE AND IC BLOCK DIAGRAM
9 REPLACEMENT PARTS LIST 13
2
10 EXPLODED VIEW (Unit)
11 CD CHANGER PARTS LIST
3
4
12 EXPLODED VIEW (CD Deck-1)
13 EXPLODED VIEW (CD Deck-2)
5
6
14 EXPLODED VIEW (CD Deck-3)
8
15 WIRING DIAGRAM
16 SCHEMATIC DIAGRAM
10
18
19
22
23
24
25
29
1 FEATUERS
•
• 9-Pro tuner pack.
• •
•
• 18-station preset (12-FM, 6-AM)
• •
•
• FM One-tuner diversity.
• •
•
• 6-Disc CD changer (in dash board)
• •
•
• Electronic control of power and sound.
• •
•
• Emergency ejecting function
• •
•
• Anti-shock memory
• •
•
• Disk direct selection.
• •
•
• CD random, repeat function.
• •
•
• MD control.
• •
•
• MD-CH control.
• •
•
• Infinity amp connection.
• •
2 LASER PRODUCTS
2
3 SYSTEM BLOCK DIAGRAM
MITSUBISHI / CQ-EB0260L
3
MITSUBISHI / CQ-EB0260L
4 FRONT AND REAR VIEW
4
5 WIRING CONNECTIONS
MITSUBISHI / CQ-EB0260L
5
MITSUBISHI / CQ-EB0260L
6 BLOCK DIAGRAM
6.1. Main Block
6
6.2. CD Servo Block
MITSUBISHI / CQ-EB0260L
7
MITSUBISHI / CQ-EB0260L
7 TERMINALS DESCRIPTION
7.1. 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
Port Descriptions I/O Vol
(V)
Pin
No.
77 X1 Crystal oscillator - 1.8
78 X2 Crystal oscillator - 1.8
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
Port Descriptions I/O Vol
(V)
(V)
8
Pin
No.
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)
MITSUBISHI / CQ-EB0260L
9
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