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CDX-MP40
SERVICE MANUAL
US Model
Canadian Model
Ver 1.0 2003. 01
AEP Model
UK Model
• The tuner and CD sections have no adjustments.
Model Name Using Similar Mechanism NEW
CD Drive Mechanism Type MG-393MC-121
AUDIO POWER SPECIFICATIONS (US Model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
Optical Pick-up Name KSS-721A
23.2 watts per channel minimum continuous average power into
4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more
than 5% total harmonic distortion.
SPECIFICATIONS
CD playe
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CDX-MP40 Power requirements 12 V DC car battery • US, Canadian model (negative ground) Dimensions Approx. 178 × 50 × 180 mm CAUTION (7 1/8 × 2 × 7 1/8 in.) (w/h/d) Use of controls or adjustments or performance of procedures Mounting dimensions Approx. 182 × 53 × 161 mm other than those specified herein may result in hazardous (7 1/4 × 2 1/8 × 6 3/8 in.) (w/h/d) Mass Approx. 1.2 kg radiation exposure. (2 lb. 10 oz.) Supplied accessories Parts for installation and connections If the optical pick-u
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CDX-MP40 Notes on CD-Rs (recordable CDs)/CD-RWs (rewritable CDs) This unit can play the following discs: Type of discs Label on the disc Audio CD MP3 files • Some CD-Rs/CD-RWs (depending on the equipment used for its recording or the condition of the disc) may not play on this unit. ∗ • You cannot play a CD-R/CD-RW that is not finalized . • You can play MP3 files recorded on CD-ROMs, CD-Rs, and CD-RWs. • A CD-R/CD-RW to which a session can be added can be played. ∗ A process necessary for a reco
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CDX-MP40 TABLE OF CONTENTS 1. GENERAL Location of Controls (US, Canadian Model) .......................... 5 Location of Controls (AEP, UK Model) .................................. 5 Connections (US, Canadian Model) ........................................ 6 Connections (AEP, UK Model) ............................................... 7 2. DISASSEMBLY 2-1. Sub Panel Assy (CD) ........................................................... 9 2-2. CD Mechanism Block .................................
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CDX-MP40 SECTION 1 This section is extracted GENERAL from instruction manual. (US, Canadian Model) (AEP, UK Model) 5
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CDX-MP40 Connections (US, Canadian Model) 6
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CDX-MP40 Connections (AEP, UK Model) 77
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CDX-MP40 8 8
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CDX-MP40 SECTION 2 DISASSEMBLY Note : This set can be disassemble according to the following sequence. SET 2-5. CHASSIS (T) SUB ASSY 2-1. SUB PANEL ASSY (CD) (Page 11) (Page 9) 2-6. LEVER SECTION 2-7. SERVO BOARD 2-2. CD MECHANISM BLOCK (Page 12) (Page 12) (Page 10) 2-8. SHAFT ROLLER ASSY, 2-3. MAIN BOARD LOAD SW BOARD (Page 10) (Page 13) 2-4. HEAT SINK 2-9. FLOATING BLOCK ASSY (Page 11) (Page 14) 2-10. OPTICAL PICK-UP BLOCK (Page 14) Note : Follow the disassembly procedure in the numerical orde
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CDX-MP40 2-2. CD MECHANISM BLOCK 7 bracket (CD) 5 CD mechanism block 6 PTT 2.6x6 2 PTT 2.6x6 3 1 PTT 2.6x6 4 CNP701 2-3. MAIN BOARD 3 screw (+BTT) 5 MAIN board 4 screws (+BTT) 2 PTT 2.6x8 1 PTT 2.6x8 10
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CDX-MP40 2-4. HEAT SINK 6 heat sink 5 PTT 2.6x8 4 P 2.6x8 3 PTT 2.6x12 2 PTT 2.6x8 1 PTT 2.6x8 2-5. CHASSIS (T) SUB ASSY 2 P 2x3 3 P 2x3 4 chassis (T) sub assy 1 Unsoldering three lead wires. SERVO board (SIDE A) black red white 11
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CDX-MP40 2-6. LEVER SECTION 5 guide (disc) 6 lever (R) 3 tension spring (LR) 7 lever (L) 1 special screw 2 DISC IN SW board 4 two claws 2-7. SERVO BOARD 9 SERVO board 8 special screw 7 special screws 3 Removal the solders. 2 CN2 5 P2x3 1 CN3 4 Unsolder the lead wires. black yellow 6 loading motor assy optical pick-up block 12
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CDX-MP40 2-8. SHAFT ROLLER ASSY, LOAD SW BOARD • When installing, take note of the positions arm (roller) and washers. (Fig. 1) 3 retaining ring (RA) arm shaft retainer (roller) shaft retainer (roller) 4 shaft retainer (roller) washer washer retaining ring (RA) arm Fig. 1 6 special screw 5 shaft roller assy 2 arm (roller) 7 LOAD SW board 1 tension spring (RA) 13
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CDX-MP40 2-9. FLOATING BLOCK ASSY 6 floating block assy 7 compression spring (FL) 1 tension spring (KF1) 8 compression spring (FL) 5 Turn loading ring in the direction of the arrow. 4 Fit lever (D) in the direction of the arrow. 2 damper (T) 3 damper (T) 2-10. OPTICAL PICK-UP BLOCK 3 P 2x3 1 P 2x3 7 PICK-UP FLEXIBLE board 4 plate spring (feed) 2 sled motor assy (M902) 5 optical pick-up (KSS-721A) 6 shaft (feed) assy 14
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CDX-MP40 SECTION 3 DIAGRAMS 3-1. IC PIN DESCRIPTIONS • IC3 HD6432238RWN35TEI (CD MASTER CONTROL) (SERVO BOARD) Pin No. Pin Name I/O Pin Description 1 TEST I Test mode selection pin Not used. (Open) 2 DECXRST O Reset signal output to the DSP IC “L”: reset 3 DECSTBY O Standby mode control signal output to the DSP IC “H”: standby 4 – 7 NC O Not used. (Open) 8PH3 I CD PH3 photo sensor detection signal input Not used. (Open) 9 INSW/PH2 I CD mechanism disc in switch detection signal input
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CDX-MP40 Pin No. Pin Name I/O Pin Description 67 MD2 — CPU operation mode setting pin 68 FL_BOOT I Flash write selection signal input (“L”: flash write mode) 69 FL_W O Flash write control signal output connected to pin 66 (FWE) 70 NC O Not used. (Open) 71 CDMON O CD mechanism power supply control signal output 72 DECINT I Interrupt signal input from the DSP IC 73 CLOSE O Front panel operation request output (Close) 74 OPEN O Front panel oparation request output (Open) 75 LINKOFF O LINK OFF signa
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CDX-MP40 • IC5 CXD9684R-005 (DSP) (SERVO BOARD) Pin No. Pin Name I/O Pin Description 1 /RESET I Reset input pin “L”: reset 2MIMD I Microcomputer interface mode selection input “H”: I2C, “L”: TSB 3, 4 AD0, AD1 O External SRAM address signal output 5 MIDIO (I2C_SDA) I/O Serial data input/output 6 MICK (I2C_SCL) I Serial clock input 7 AD2 O External SRAM address signal output 8 VDDT (3.3V) — Power supply (3.3 V) for digital circuit 9 SDO O Data output 10, 11 AD3, AD4 O External SRAM address s
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CDX-MP40 • IC801 MN101C49KSJ (SYSTEM CONTROL) (MAIN BOARD) Pin No. Pin Name I/O Pin Description 1VREF– — Power supply pin for A/D converter 2 VSM I S-meter voltage detection signal input from the tuner unit (TU601) 3NIL I Not used. (Connected to ground.) 4 KEYIN1 I Key signal input 5 KEYIN0 I Key signal input 6 RC_IN0 I Rotary commander key signal input from the remote-in jack 7QUALITY I Noise detection signal input (AEP, UK model)/Connected to ground. (US, Canadian model) 8 DST SEL I Destinatio
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CDX-MP40 Pin No. Pin Name I/O Pin Description 69 TU ON O Tuner power supply control signal output 70 VOLATT O Electronic volume ATT control signal output to the electronic volume 71 NCO O Not used. (Open) 72 AMPON O Power amplifier standby control signal output to the power amplifier 73 NCO O Not used. (Open) 74 AMPATT O Power amplifier ATT control signal output to the power amplifier 75 DOORIND O Sub panel power supply control signal output 76 – 84 NCO O Not used. (Open) 85 NS MASK O Noise mask
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CDX-MP40 3-2. CIRCUIT BOARDS LOCATION SERVO board LIMIT SW board DISC IN SW board SPEAKER board LOAD SW board tuner unit (TUX501) MAIN board DISPLAY board (US, CND) RELAY board KEY board (AEP, UK) 20
