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MEX-5DI
SERVICE MANUAL
US Model
Canadian Model
Ver 1.0 2002. 04
AEP Model
UK Model
E Model
• The tuner and CD sections have no adjustments.
Model Name Using Similar Mechanism CDX-MP70
CD Drive Mechanism Type MG-550T-156
Optical Pick-up Name DAX-23E
SPECIFICATIONS
CD player section General
Signal-to-noise ratio 95 dB Outputs Audio outputs (front/rear)
Frequency response 10 – 20,000 Hz Subwoofer output (mono)
Wow and flutter Below measurable limit Power antenna relay control terminal
Power amplif
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MEX-5DI 4-3. BLOCK DIAGRAM — CD SECTION — DIGITAL SERVO/ RF AMP DIGITAL SIGNAL PROCESSOR IC2 IC1 EQ RFAC IN RFAC LOUT1 SIGNAL 97 L-CH RF 3 VCA EQ 15 71 PROCESSOR LPF LOUT2 104 R-CH TUNER I-V A-ATT A A-ATT AMP SECTION AUDIO INTERFACE A IC3 EJECT 6 IC5 (Page 25) RFDC B RFDC RFDC A 3 1 7 28 58 DAC C AMP B 5 7 8 SDIO PCMD D 88 12 9 SDD PCMDI 63 VC 89 9 AUDIO OFFSET LRCK LRCKIA DC OFST 86 14 I/F 30 CONTROL BCKIA BCK Q2 90 13 FOCUS FE FE DRAM SRAM 16 62 ERROR IC6 IC4 A-D AMP OP AMP, SE 61 ADC TRACKING
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MEX-5DI 4-4. BLOCK DIAGRAM — TUNER SECTION — -1 CN301-1,-2 L BUS AUDIO IN/AUX IN -2 ELECTRONIC VOLUME R R-CH IC301 BUS-GND SW ADSO SW Q352 IC309 -3 MS AMP MS-L MUTE CN301-3,-4 4 AUX-L OUT SW 24 L DISPLAY IC310 Q351 SUB OUT TUNER UNIT -4 C SECTION MS-R TUX201 R-CH LCH R (Page 26) 43 MD-L A OUT L 38 33 AC IN L ADSO IC302 -1 CN101 MUTE 1 AM-ANT AM DET 8 9 AM/MPX2 OUT LF 28 L (ANTENNA) Q451 CN451-1,-2 -2 FRONT R-CH R 2 FM-ANT MPX 10 12 MPX1 OUT LR 27 AUDIO OUT 40 CD-L EEPROM -3 MUTE L CN451-3,-4 Q45
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MEX-5DI 4-5. BLOCK DIAGRAM — DISPLAY SECTION — SYSTEM CONTROL IC501 (3/3) DIGITAL BOARD Q506 CD ON IN CD ON 35 TUNER MS-L D/A C DSP M3 SECTION MOTOR M CONV. 9 3 61 T-CLOSE R-CH (LOADING) (Page 25) DRIVE 7 4 62 T-OPEN IC702 RGB DRIVE 6 IC207 I-DET D2,4-7 51 TR-DET IC701(2/2) RXD LED SH3 SO 13 4-8 IC913 DRIVE 60 LED ON 12-16 R.G.B R.G.B 62 TXD Q201 SH3 SI 12 19-23 101 MOTOR ON Q914 SPR MS SW 33 LINK OFF MS CHK 2 HSYNC LBR BUFFER 71 34 IC201 SPL MS SET 3 35 CD VSYNC +9V REG MOTOR +9V BATT 72 LP B
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MEX-5DI 4-6. CIRCUIT BOARDS LOCATION THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) SERVO board for schematic diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. 1 • All resistors are in Ω and /4 W or less unless otherwise specified. SWITCH board •% : indicates tolerance. f • : internal component. • C : panel designa
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MEX-5DI • Refer to page 27 for Waveforms. 4-8. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 40 for IC Block Diagrams. IC B/D C107 IC8 L8 L1 C108 C109 C68 C77 L2 L3 C67 C36 C110 TP105 R157 R118 R77 C50 R162 R158 TP14 CN2 TP27 L12 C122 C123 IC B/D IC9 C70 M1 L10 TP29 CN3 TP31 L13 C121 C124 TP103 Q3 M2 R163 R159 C62 C64 TP9 TP33 TP10 R100 R107 TP11 R164 R160 D3 R156 C111 C60 TP41 R99 R161 TP42 TP49 TP87 C26 C47 TP50 TP102 TP101 TP55 D25 D26 D22 C91 TP88 IC1 R44 C45 C43 R61 TP69
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MEX-5DI • Refer to page 27 for Waveform. 4-9. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 42 for IC Block Diagrams. (Page 30) L5 C39 L6 C66 IC12 C65 R130 D8 TP17 R129 IC B/D R119 R152 TP39 IC4 C114 R67 IC15 C63 C93 R109 R111 CN6 R115 R137 R116 R113 L4 C61 C59 C57 C55 C56 TP58 TP57 R69 R85 TP18 R84 R144 R70 R102 TP28 R83 TP30 R82 R68 TP32 C42 R81 IC11 TP72 R103 TP34 TP36 R127 TP38 TP43 TP44 TP2 R104 TP45 TP4 R105 TP46 (Page 36) R123 R131 TP47 R122 IC5 C54 TP48 TP51 C53 TP52 C
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MEX-5DI • Refer to page 27 for Waveform. 4-11. SCHEMATIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 43 for IC Block Diagrams. (Page 35) IC B/D (Page 35) IC B/D (Page 36) Note: •Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM () : AM/MW/LW 34 34 C370 C369 R321 C327 C400 C407 R329 C331 R377 CN101 C338 R378 R379 R384 R322 C328 C330 R330 R305 C337 IC309 C102 IC310 IC302 IC303 IC304 C110 CN301 C105 R356 C362 D461 R104 R326 C103 C340 C461 R332 C335 R319 C332
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MEX-5DI 4-12. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) — R451 R455 C465 Q451 CN451 R456 C466 R452 Q452 R453 R457 C467 Q453 CN303 C374 R458 C468 C373 R454 Q454 C371 C372 (Page 34) C464 CN402 FAN961 Q865 R421 Q872 R866 Q866 R877 R366 R871 CN401 R865 Q862 R862 Q864 Q867 R874 Q364 R872 C366 R863 R864 R861 R875 R868 R369 C872 D362 Q363 D366 C862 C861 C863 R867 Q871 Q873 Q863 C873 Q861 C367 R368 D861 C864 D862 C411 C871 R873 R876 R416 R420 R410 R412 (Page 34) R414 R413 R415 F901 TH402 TH401 Q401(2/2) Q4
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MEX-5DI • Refer to page 27 for Waveforms. 4-13. SCHEMATIC DIAGRAM — MAIN SECTION (3/4) — • Refer to page 45 for IC Block Diagrams. (Page 34) (Page 35) Note: •Voltage is dc with respect to ground under no-signal CN902 (detuned) condition. no mark : FM Q202 () : AM/MW/LW <>: CD PLAY Q204 R204 Q901 C212 BZ901 R910 C209 C215 Q206 L501 CN201 D510 FB201 C205 C516 C206 C203 R201 R208 R572 IC202 C513 Q506 C217 D511 R541 D363 C218 C210 C213 R588 R553 R518 R595 R571 R215 R559 R596 R214 R560 R561 D512 R587
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MEX-5DI • Refer to page 27 for Waveform. 4-14. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 45 for IC Block Diagrams. (Page 35) CN901 Q913 TP901 Q851 D851 R839 R914 R916 R842 R840 Q811 C829 C838 C837 R837 R851 C851 C833 C852 C836 Q809 R917 D852 TP902 C853 R834 Q812 R918 TP903 C828 IC B/D Q810 R829 C846 IC801 IC913 R919 L807 Q911 Q912 TP904 R841 L806 R824 C913 C820 TP905 R827 C822 C819 TP906 Q808 R817 C826 R815 D803 C904 C821 TP907 R816 C813 R819 R812 TP908 R808 Q815 R849 D801 R807 R8
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MEX-5DI 4-16. SCHEMATIC DIAGRAM — DISPLAY SECTION — • Refer to page 45 for IC Block Diagram. BL201 T200 CN200 L201 Q206 R272 R200 R234 R203 C202 R218 IC200 R202 IC202 C211 R227 R221 C220 R293 C207 C200 R268 CN202 Q201 R296 Q207 Q200 R201 C209 TH200 C249 C247 D219 R298 C256 C201 R222 Q202 C205 C255 R219 Q203 RA205 R248 R251 C235 C248 R216 R273 R274 RA210 RA209 R244 R275 R276 R277 R278 R279 IC207 LCD201 C233 RA208 R242 RA207 R280 R281 R282 R283 C246 R284 R260 R241 L202 R259 RA206 R285 R286 C250 R2
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MEX-5DI • IC BLOCK DIAGRAMS IC1 CXD3027R IC2 CXA2581N-T4 IC3 NJM12902V (TE2) 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 RW/ROM OUT OUT 1 14 30 DC OFST 29 RFDCI A – – + B -IN -IN 2 13 28 RFDCO + C DVC D +IN 3 12 +IN DVC VCC +V 4 11 GND VC – DVC RW/ROM + VOFST 27 VC +IN 5 10 +IN VC BCK ERROR CLOCK PCMD CORRECTOR GENERATOR SELECTOR -IN 6 9 -IN LRCK EFM D/A VC RFAC INTERFACE DEMODULATOR LD 1 26 RFC BIAS DOUT ASYMMETRY DIGITAL E
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MEX-5DI IC8 BH6518FS-E2 GND 1 CHARGEPUMP 32 CAPA- VG & VG 2 31 CAPA+ OSC IN4R 3 30 FRDR INTERFACE INTERFACE 4 29 IN4F FFDR VM4 5 28 VM2 OUT4F 6 27 OUT2F 7 26 PGND4 PGND2 OUT4R 8 25 OUT2R 9 24 VM34 VM12 OUT3R 10 23 OUT1R PGND3 11 22 PGND1 OUT3F 12 21 OUT1F 13 20 VM3 VM1 14 19 IN3F TFDR INTERFACE INTERFACE IN3R 15 18 TRDR PSB 16 PSB VDD 17 VDD TSD IC6 MSM51V17400D-10TK-FS ON CHIP VBB GENERATOR VCC 1 26 VSS DQ1 2 25 DO3 DQ2 3 24 DO2 INPUT OUTPUT BUFFER BUFFER WE 4 TIMING WRITE RAS 5 TIMING GENER
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MEX-5DI IC5 CXD9684R-004 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 TIMING PROG. GENERAL VCO DIT GENERATOR /RESET START INPUT PORT 1 48 VSS MIMD 2 47 IO1 I-BUS PROM INSTRUCTION 4kx2+2k DECODER 46 AD0 3 IO0 =10kWORD 40bit PRAM 256WORD AD1 4 45 AD15 PROGRAM CONTROL MIDIO 5 44 AD16 (I2C SDA) XRAM 4k WORD MICK 6 43 WR (I2C SCL) YRAM 4k WORD 42 AD14 AD2 7 VDDT(3.3V) 8 CROM 41 AD13 AKWORD 40 SDD 9 VSS MX ERAM A0 2k WORD MAC AD3 10 MY 39 PO7 A1 MZ AD4 11 38 AD6 AX A2 SDIO 12 37 AD7 ALU AY A3 BCKI
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MEX-5DI IC4 W24L010AT-12-EL15 A4 A5 A6 A7 A12 A14 A16 NC VDD A15 CS2 WE A13 A8 A9 A11 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CONTROL DECODER CORE ARRAY DATA I/O 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 A3 A2 A1 A0 DQ1 DQ2 DQ3 GND IO4 IO5 IO6 IO7 IO8 CS1 A10 OE IC101 SAA6588T/V2 20 18 17 15 14 19 16 13 12 11 POWER SUPPLY PAUSE & RESET DETECTOR MULTI PATH 57kHz DETECTOR 8th ORDER BAND-PASS FILTER CLOCKED SIGNAL QUALITY COMPARATOR DECODER 4 5 4 CLOCK CLOCK RDS/RDBS RDS/RDBS INTERFACE DATA
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MEX-5DI IC301 TDA7406T 33 32 31 30 29 28 27 26 25 24 23 MIXER SOFT STEP SOFT STEP SOFT STEP MONO FADER FADER FADER FADER CREF SUPPLY 22 VDD 21 SACLK SUB WOOFER SCL 20 FILTER 19 SDA OUTPUT SELECTOR 18 DGND 34 SWIN ACINR 35 17 SM 36 ACOUTR SWACOUT 37 IIC-BUS 16 QUAL QUAL. 38 AC OUTL HIGH PASS A/D HIGH OUT 7BAND DIGITAL EQUALIZER CONTROL PULSE 39 CREF S & H FORMER SOFT STEP VOLUME 25kHz LP AM/FM NOISE SOFT MUTE BLANKER LOUDNESS 15 MP OUT DEMODULATOR MULTI +STEREO ADJUST PATH SPECTRUM +STEREO BLEND
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MEX-5DI IC601 BA8270F IC702 LB1930M IC703 LB1930M BUS ON 14 VCC BUS ON 1 SWITCH VCC 1 10 NC NC 2 BUFFER RESET OUT1 RST 2 13 RESET FIN 3 9 MOTOR SWITCH CONTROL 12 BUS ON DRIVE 8 NC CIRCUIT CIRCUIT 11 CLK IN RIN 4 7 OUT2 BATTERY BATT 3 10 BU IN SWITCH BUFFER SGND 6 PGND 5 CLK 4 VREF 5 DATA 6 9 DATA IN GND 7 8 DATA OUT IC801 TL1451ACDB IC802 TL1451ACDB 16 15 14 13 12 11 10 9 VERF. +2.5V VCC – + REFERENCE VOLTAGE PWM ERROR COMPA- AMP2 RATOR2 +2.5V VERF OUTPUT2 SHORT CIRCUIT VERF VERF PROTECTION
