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DEH-2790MP/XN/ID

(1) PACKING SECTION PARTS LIST

(2) CONTRAST TABLE

DEH-2790MP/XN/ID, DEH-2750MP/XN/GS and DEH-2770MP/XN/CS are constructed the same except for the fol-
lowing:

Owner's Manual,Installation Manual

Mark No.

Description

Part No.

Accessory Assy

CEA4850

Screw Assy

CEA3849

Screw

CBA1650

Polyethylene Bag

CEG-127

Screw

CRZ50P090FTC

Screw

TRZ50P080FTC

Polyethylene Bag

CEG-158

Handle

CNC5395

Bush

CNV3930

Polyethylene Bag

CEG-162

Carton

See Contrast table(2)

Contain Box

See Contrast table(2)

Protector

CHP2664

Protector

CHP2868

15-1 Owner's Manual

See Contrast table(2)

15-2 Installation Manual

See Contrast table(2)

15-3 Caution Card

CRP1310

Case Assy

CXB3520

Cord Assy

XDE7008

Mark No.

Description

Part No.

Mark

No.

Description

DEH-2790MP/XN/ID

DEH-2750MP/XN/GS

DEH-2770MP/XN/CS

Carton

CHG5470

CHG5434

CHG5435

Contain

Box

CHL5470

CHL5434

CHL5435

15-1

Owner's

Manual

CRD3939

CRD3937

15-2

Installation

Manual

CRD3940

CRD3938

Part No.

Language

CRD3939

English, Traditional Chinese, Arabic

CRD3940

English, Traditional Chinese, Arabic

CRD3937

English, Spanish, Portuguese(B)

CRD3938

English, Spanish, Portuguese(B)

Содержание DEH-2750MP/XN/GS

Страница 1: ... Road 04 01 Singapore 159936 PIONEER CORPORATION 2004 DEH 2790MP XN ID CRT3396 HIGH POWER CD MP3 WMA PLAYER WITH FM AM TUNER DEH 2790MP XN ID DEH 2750MP XN GS DEH 2770MP XN CS This service manual should be used together with the following manual s Model No Order No Mech Module Remarks CX 3158 CRT3394 S10 1AAC CD Mech Module Circuit Description Mech Description Disassembly For details refer to Impo...

Страница 2: ...s product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician Service Precaution 1 You should conform to the regulations governing the product safety radio and noise and other regulations and should keep the safety during servicing by following the safety instructions described in this manual 2 Before disassembling the unit be sure to turn...

Страница 3: ...ide the product Please check that neither solder debris nor screws remain inside the product 8 There should be no semi broken wires scratches melting etc on the coating of the power cord Damaged power cords may lead to fire accidents so please be sure that there are no damages If you find a damaged power cord please exchange it with a suitable one 9 There should be no spark traces or similar marks...

Страница 4: ... CD MECHANISM MODULE GUIDE PAGE 24 4 PCB CONNECTION DIAGRAM 34 4 1 TUNER AMP UNIT 34 4 2 KEYBOARD UNIT 38 4 3 CD CORE UNIT S10 1 40 5 ELECTRICAL PARTS LIST 42 6 ADJUSTMENT 46 6 1 CD ADJUSTMENT 46 6 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 48 6 3 ERROR MODE 50 6 4 SYSTEM MICROCOMPUTER TEST PROGRAM 51 7 GENERAL INFORMATION 52 7 1 DIAGNOSIS 52 7 1 1 DISASSEMBLY 52 7 1 2 CONNECTOR FUNCTIO...

Страница 5: ...DEH 2790MP XN ID 5 5 6 7 8 5 6 7 8 C D F A B E 1 SPECIFICATIONS ...

Страница 6: ...DEH 2790MP XN ID 6 1 2 3 4 1 2 3 4 C D F A B E ...

Страница 7: ...DEH 2790MP XN ID 7 5 6 7 8 5 6 7 8 C D F A B E ...

Страница 8: ...ark found on some component parts indicatesthe importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Screw adjacent to mark on the product are used for disassembly For the applying amount of lobricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate 15 1 8 4 3 2 13 ...

Страница 9: ...e Contrast table 2 12 Contain Box See Contrast table 2 13 Protector CHP2664 14 Protector CHP2868 15 1 Owner s Manual See Contrast table 2 15 2 Installation Manual See Contrast table 2 15 3 Caution Card CRP1310 16 Case Assy CXB3520 17 Cord Assy XDE7008 Mark No Description Part No Mark No Description DEH 2790MP XN ID DEH 2750MP XN GS DEH 2770MP XN CS 11 Carton CHG5470 CHG5434 CHG5435 12 Contain Box ...

Страница 10: ...DEH 2790MP XN ID 10 1 2 3 4 1 2 3 4 C D F A B E 2 2 EXTERIOR ...

Страница 11: ... 30 Holder CNC8042 31 Cover CNM6276 32 Panel CNS8044 33 Arm CNV4692 34 Arm CNV4728 35 Arm CNV5576 36 Screw IMS20P030FZK 37 Chassis Unit CXC3600 38 Detach Grille Assy See Contrast table 2 39 Screw BPZ20P100FZK 40 Button TA VOLUME CAC8924 41 Button UP DOWN LEFT RIGHT CAC8926 42 Button BTB SOURCE CAC8927 43 Button 1 6 LOCAL BSM CAC8929 44 Button EJECT AUDIO CAC8930 45 Button DETACH CAC8931 46 Button ...

Страница 12: ...38 23 59 87 86 5 13 34 5 5 13 44 5 C 52 53 36 4 73 29 51 18 64 76 50 10 72 75 49 77 67 27 78 60 90 48 8 17 46 6 60 11 89 43 70 14 31 65 85 66 85 31 35 14 74 85 1 2 3 R 91 12 33 61 63 21 79 57 58 62 80 13 4 86 I 45 28 7 24 47 P 41 20 40 69 39 30 P 19 56 F E 22 81 15 G 26 5 54 37 55 93 92 10 C 1GEM1024 2GEM1045 3GEM1035 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1 1 1 2 2 1 3 ...

Страница 13: ...rm CNC9968 39 Arm CND1909 40 Lever CND2032 41 Lever CNC9984 42 Sheet CNM8134 43 Collar CNV7798 44 Guide CNV7799 45 Arm CNV8403 46 Rack CNV8374 47 Holder CNV8376 48 Holder CNV8377 49 Arm CNV8378 50 Gear CNV8379 51 Gear CNV8380 52 Gear CNV8381 53 Gear CNV8382 54 Gear CNV8383 55 Gear CNV8384 56 Rack CNV8385 57 Arm CNV8386 58 Arm CNV8387 59 Guide CNV8388 60 Roller CNV7218 61 Gear CNV8389 62 Arm CNV839...

Страница 14: ...D CD CORE UNIT S10 1 13 12 X701 DSCSNS CONT LOEJ HOME 32 97 53 47 VDD IC 203 NJM2885DL1 33 3 3V REGULATOR V3R3D 1 3 VDCONT 49 S 812C33AUA C2N MICRO COMPUTER IC 701 PE5454A 4 V3R3D 19 BDATA BSCK VD2 VDD 2 15 5 1 4 14 VD2 VDCONT reset 14 15 RESET 30 31 8EJ 12EJ X1 X2 I I 2 E TUN L 3 CDL SYSTEM C IC 6 PE CN401 1 2 CN651 TUNER AMP UNIT CD L A TUN 3 3V VCC VDD ANTENNA A 14 B UP VDD 78 5 3 4 2 VDCONT VD...

Страница 15: ...DT VLCD REM VDD LCD MUTE MUTE SYSTEM CONTROLLER VDD REGULATOR BACKUP SENSE ACC SENSE 3 9 11 12 10 1 6 2 B CN901 TUNPCE1 TUNPCE2 LDET TUNPDI RESET RESET TUNPDO SL 56 55 11 60 61 12 76 TUNPCK 13 TUNPDO LDET TU 3 3V TUN 3V REG B UP SYS 8V REG TUNPDI CE1 CE2 SL TUNPCK Q912 DALMON 32 B UP VCC 20 6 6 4 8 3 5 7 6 4 8 3 SW5V SW5V SWVDD SOURCE DSENS ILM DPDT KYDT SOURCE 21 INTRQ 66 DSENS 65 ILMPW 22 DPDT 9...

Страница 16: ...rxen RECEIVE STRKEY2 dsene source VSS AVDD AVREF1 bsrq Decimal points for resistor and capacitor fixed values are expressed as 2 2 2R2 0 022 R022 The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Symbol indicates a resistor No differentiation is made between chip resistors and disc...

Страница 17: ...DEH 2790MP XN ID 17 5 6 7 8 5 6 7 8 C D F A B E A b A BACKUP GND RL RL FL FL B REM ACC CEK1208 10A RR RR FR FR A TUNER AMP UNIT ...

Страница 18: ...DEH 2790MP XN ID 18 1 2 3 4 1 2 3 4 C D F A B E A a A b A a A a A b 1 2 3 DEH 2750MP XN GS DEH 2790MP XN ID DEH 2770MP XN CS dsene source VSS AVDD AVREF1 bsrq FM AM TUNER UNIT C CN901 ...

Страница 19: ...essed as 2 2 2R2 0 022 R022 The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capac...

Страница 20: ...DEH 2790MP XN ID 20 1 2 3 4 1 2 3 4 C D F A B E A a A b A b 1 2 3 BACKUP GND B REM ACC CEK1208 10A A TUNER AMP UNIT ...

Страница 21: ...DEH 2790MP XN ID 21 5 6 7 8 5 6 7 8 C D F A B E A a A b A b 3 4 5 6 BACKUP GND RL RL FL FL B REM ACC CEK1208 10A RR RR FR FR ...

Страница 22: ...DEH 2790MP XN ID 22 1 2 3 4 1 2 3 4 C D F A B E 3 3 KEYBOARD UNIT B ...

Страница 23: ...DEH 2790MP XN ID 23 5 6 7 8 5 6 7 8 C D F A B E B A CN831 B KEYBOARD UNIT ...

Страница 24: ...3 4 C D F A B E 3 4 CD MECHANISM MODULE GUIDE PAGE C a C TY PICKUP UNIT P10 SERVICE M1 CXC4440 SPINDLE MOTOR M2 CXB8933 LOADING CARRIAGE MOTOR CD DRIVER T F F T T T F F F T C S T F S C F F T T S S C C C C S S T T F F 1 3 2 0 9 7 8 5 4 ...

Страница 25: ...IT S10 1 S901 HOME SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF The underlined indicates the switch position CD CORE UNIT S10 1 C A CN651 F SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S 3V REGULATOR 3 3V REGULATOR MICRO COMPUTER 6 ...

Страница 26: ...DEH 2790MP XN ID 26 1 2 3 4 1 2 3 4 C D F A B E A a C b C a C a C b 1 2 PICKUP UNIT P10 SERVICE T F F T T T F F F T C S T T F F ...

Страница 27: ...DEH 2790MP XN ID 27 5 6 7 8 5 6 7 8 C D F A B E A a C b C a C a C b 2 3 4 5 6 M1 CXC4440 SPINDLE MOTOR M2 CXB8933 LOADING CARRIAGE MOTOR CD DRIVER T F S C F F T T S S C C C C S S 1 3 2 0 9 7 8 5 4 ...

Страница 28: ... UNIT S10 1 S901 HOME SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF The underlined indicates the switch position CD CORE UNIT S10 1 C F SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S 3 3V REGULATOR ...

Страница 29: ...DEH 2790MP XN ID 29 5 6 7 8 5 6 7 8 C D F A B E C a C b C b 2 3 4 5 6 SRAMLEVEL0 SRAMLEVEL1 SRAMLEVEL2 TYPE_A D A CN651 3V REGULATOR MICRO COMPUTER 6 ...

Страница 30: ...00mV div 500mV div 500mV div 20ms div Ref REFO Mode Normal TE FE 500mV div 500mV div 200ms div Source On setup operation CD DA Play operation Ref REFO Mode Normal FE 0 FIN TE 9 TIN 500mV div 500mV div 500mV div 500mV div 20ms div CD ROM play operation Regular track Jump Ref REFO Mode Normal MDX 7 SIN 2V div 1V div 5µs div Ref REFO Mode Normal MDX 7 SIN 1V div 200mV div 50ms div Spindle waveform du...

Страница 31: ... TIN 1V div 500mV div 500mV div 500ms div Ref REFO Mode Normal 1 DSCSNS 2 8SNS 3 12SNS 4 LOEJ 5V div 5V div 5V div 5V div 500ms div 12 cm CD Eject operation CD DA CD ROM mode change Band key Ref GND Mode Normal RFAGC TE 9 TIN 1V div 500mV div 500mV div 500µs div 4 Tracks Jump waveform 32 Tracks Jump waveform Ref REFO Mode TEST RFAGC TE 9 TIN 1V div 500mV div 500mV div 2ms div Ref REFO Mode TEST RF...

Страница 32: ...3 4 C D F A B E 7 SIN 8 CIN 9 TIN 1V div 500mV div 500mV div 500ms div CD ROM CD DA mode change Band key Ref REFO Mode Normal RFAGC 9 TIN TE 0 FIN 1V div 1V div 1V div 1V div 500µs div Black dot 800µm during play Ref REFO Mode Normal ...

Страница 33: ...DEH 2790MP XN ID 33 5 6 7 8 5 6 7 8 C D F A B E ...

Страница 34: ...rt A A TUNER AMP UNIT SIDE B SIDE A NOTE FOR PCB DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic dia gram 2 Viewpoint of PCB diagrams C CN901 B CN1801 CORD AS 1 2 3 4 5 6 7 8 11 12 13 14 15 16 9 10 ...

Страница 35: ...DEH 2790MP XN ID 35 5 6 7 8 5 6 7 8 C D F A B E A SIDE A FRONT CORD ASSY RCA ANTENNA FM AM TUNER UNIT 1 4 2 3 11 12 13 14 15 16 9 0 1 2 ...

Страница 36: ...DEH 2790MP XN ID 36 1 2 3 4 1 2 3 4 C D F A B E A A TUNER AMP UNIT PCL TEST 1 1 ...

Страница 37: ...DEH 2790MP XN ID 37 5 6 7 8 5 6 7 8 C D F A B E A SIDE B T ...

Страница 38: ...DEH 2790MP XN ID 38 1 2 3 4 1 2 3 4 C D F A B E 4 2 KEYBOARD UNIT B B KEYBOARD UNIT SIDE A CLOCK VOL VOL BTB SRC 1 2 3 4 5 6 LOC BAND DISPLAY DOWN UP RIGHT LEFT AUDIO EJECT ...

Страница 39: ...DEH 2790MP XN ID 39 5 6 7 8 5 6 7 8 C D F A B E B B KEYBOARD UNIT SIDE B A CN831 ...

Страница 40: ...DEH 2790MP XN ID 40 1 2 3 4 1 2 3 4 C D F A B E 4 3 CD CORE UNIT S10 1 C C CD CORE UNIT S10 1 SIDE A A CN651 PICKUP UNIT P10 SERVICE HOME M2 LOADING CARRIAGE MOTOR M1 SPINDLE MOTOR E F REFO1 ...

Страница 41: ...DEH 2790MP XN ID 41 5 6 7 8 5 6 7 8 C D F A B E C C CD CORE UNIT S10 1 SIDE B 12EJ 8EJ DSCSNS ...

Страница 42: ...3 128 Diode MPG06G 6415G3 D 902 A 33 125 Diode MPG06G 6415G3 D 911 A 16 103 Diode MPG06G 6415G3 D 912 A 11 125 Diode HZS6L B2 D 921 A 22 84 Diode HZS9L B3 D 931 A 67 112 Diode HZS7L C3 D 932 A 49 109 Diode HZS7L A1 D 991 A 17 62 Diode HZS7L C3 L 151 A 142 66 Inductor LAU2R2K L 401 A 154 54 Inductor LAU2R2K L 402 A 143 91 Inductor LAU2R2K L 404 B 157 97 Inductor LCTAW4R7J2520 L 601 A 90 81 Ferri In...

Страница 43: ...50 C 309 B 133 128 CKSQYB225K10 C 310 B 135 132 CKSQYB225K10 C 312 A 101 121 CEJQ100M16 C 313 B 98 138 CKSRYB104K16 Circuit Symbol and No Part No C 353 A 132 116 CEJQ2R2M50 C 354 A 132 107 CEJQ2R2M50 C 401 B 158 66 CKSRYB103K50 C 402 B 152 56 CKSRYB103K50 C 403 A 149 54 CEJQ470M6R3 C 404 A 148 91 CEJQ101M10 C 405 B 165 93 CKSRYB103K50 C 409 B 144 54 CCSRCH470J50 C 420 B 102 40 CCSRCH470J50 C 451 A...

Страница 44: ... A 36 85 RS1 16SS183J R 308 A 32 83 RS1 16SS183J R 309 A 38 89 RS1 16SS183J Circuit Symbol and No Part No R 310 A 35 88 RS1 16SS183J R 601 B 43 59 RS1 16S101J R 602 B 41 62 RS1 16S101J R 606 B 44 67 RS1 16S0R0J R 607 B 43 56 RS1 16SS0R0J R 608 B 36 67 RS1 16SS0R0J R 705 B 50 59 RS1 16SS221J R 706 B 57 61 RS1 16SS221J R 707 A 62 47 RS1 16SS473J R 708 B 50 57 RS1 16SS221J R 710 A 28 77 RS1 16SS102J ...

Страница 45: ...25 CKSSYB104K10 C 301 A 43 78 CKSSYB221K50 C 302 A 50 79 CKSSYB221K50 C 303 A 37 85 CKSSYB472K25 C 304 A 39 89 CKSSYB103K16 C 305 B 34 92 CEVW101M16 C 307 B 56 90 CKSSYB104K10 C 601 B 46 60 CCSRCH102J50 C 602 B 41 65 CCSRCH102J50 C 701 A 64 46 CKSSYB104K10 C 703 B 50 61 CKSSYB103K16 C 706 B 50 62 CKSSYB104K10 C 707 A 36 45 CKSSYB104K10 C 712 A 22 42 CKSRYB224K16 C 714 B 60 45 CKSSYB104K10 C 716 A ...

Страница 46: ...e protections will not work Avoid applying any mechanical or electrical shock to the mechanism during adjustment The RFI and RFO signals with a wide frequency range are easy to oscillate When observing the signals insert a resistor of 1k ohms in series The load and eject operation is not guarantied with the mechanism upside down If the mechanism is blocked due to mistaken eject operation reset the...

Страница 47: ... SEC8x or TRK9xMIN9xSEC9x TRKSPMINSPSECSP 4 TRKGGMINGGSECGG 2 Key BAND 6 1 2 3 Power On Off CRG TR Jump Direction of the external surface CRG TR Jump Direction of the internal surface U CLS and AGC and Applicable servomechanism AGC AGC display setting RF Gain switching Offset adjustment display T Balance adjustment T Open Close S Curve Rough Servo and RF AGC SPDL 1X 2X switching As for the double ...

Страница 48: ...d switch the 3V regulator on 2 Using the and buttons move the PU unit to the innermost track 3 Press key 3 to close focus the display should read 91 Press key 2 to implement the tracking balance adjustment the display should now read 81 Press key 3 The display will change returning to 81 on the fourth press 4 As shown in the diagram above monitor the LPF outputs using the oscilloscope and check th...

Страница 49: ...DEH 2790MP XN ID 49 5 6 7 8 5 6 7 8 C D F A B E Grating waveform 45 0 75 60 30 90 Ech Xch 20mV div AC Fch Ych 20mV div AC ...

Страница 50: ...3 or WMA file present in a disc No MP3 or WMA file exists in a CD ROM disc inserted 17 Electricity Setup NG AGC protection doesn t work out of Focus soon Scratch on Disc Severe dirt and vibration 12 Electricity Spindle Lock NG Not spindle lock Wrong subcode can t read Subcode NG RF amp NG Defective Spindle Scratch and dirt on Disc Intense vibration The appropriate gain of the RF amp cannot be obta...

Страница 51: ...he ACC switched ON the standby mode cancelled shift the TESTIN Pin 15 terminal to H The clock signal is output from the PCL terminal Pin 14 The frequency of the clock signal is 786 432kHz that is one 16th of the fundamental frequency The clock signal should be 786 432kHz 31 5Hz If the clock signal is out of the range the X tal X601 should be replaced with new one ...

Страница 52: ... 1 1 Remove the Case CD Mechanism Module 1 1 1 1 Fig 2 Tuner Amp Unit Removing the Tuner Amp Unit Fig 2 Remove the screw 1 Remove the four screws Disconnect the connector and then remove the CD Mechanism Module 2 Release the two latchs and then remove the Grille Assy 2 2 1 2 2 2 3 3 3 4 Remove the three screws 2 Straighten the tabs at three locations indicated 3 Remove the screw and then remove th...

Страница 53: ...he two springs C and the four screws 2 To remove the upper frame open it on the fulcrum A 3 While lifting the carriage mechanism remove the three dampers 4 With the frames removed insert the connectors coming from the main unit and eject the disc Caution Before installing the carriage mechanism in the frames be sure to apply some alcohol to the dampers and set the mechanism to the clamp mode Do no...

Страница 54: ...ead wires from the inner holder 4 Remove the washer styling holder change arm and pickup lock arm 5 While releasing from the hook of the inner holder lift the end of the feed screw Caution In assembling move the planet gear to the load eject position before setting the feed screw in the inner holder Shorting Solder Planet Gear Change Arm Inner Holder Styling Holder Feed Screw Washer Pickup Lock Ar...

Страница 55: ... 6 7 8 C D F A B E 7 1 2 CONNECTOR FUNCTION DESCRIPTION Pin No 1 2 3 4 5 6 7 8 B UP GND ACC NC NC B REM NC NC Pin No 9 10 11 12 13 14 15 16 RL FL RL FL RR FR RR FR ANTENNA JACK RCA OUTPUT 10A 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 ...

Страница 56: ...r control output Not used Output for dark current reduction circuit GND B PUS reset signal output P BUS reception enable signal input output Not used ROM collection data output ROM collection clock output ROM collection chip select output RDS decoder receiving output Not used VD output Not used System power output Not used Wired remote control input Not used System mute output Auto antenna control...

Страница 57: ...ation RDS clock input ACC sense input Back up sense input Grille detach sense input Source sense input GND VDD Crystal oscillator connection pin GND Not used VSS VDD VDD Signal level input Temperature detection input VD power supply short circuit input P BUS serial pole request input Wired remote control input Not used IC s marked by are MOS type Be careful in handling them because they are very l...

Страница 58: ... Key data input analogue input 17 REW I Remote control reception input 18 DPDT I Display data input 19 NC Not used 20 KYDT O Key data output 21 MODA GND 22 X0 Crystal oscillator connection pin 23 X1 Crystal oscillator connection pin 24 VSS GND 25 26 KDT2 3 I Key data input 27 NC Not used 28 KST4 O Key strobe output 29 32 NC Not used 33 55 SEG35 13 O LCD segment output 56 VDD Power supply 57 64 SEG...

Страница 59: ... I Connected to GND 42 PWMSW1 I Setup 1 for PWM output FD TD 43 TESTEN I Connected to GND 44 D1 GND GND for 1 6V digital circuits 45 DIN I Input of audio data 46 DOUT O Output of audio data 47 SCKIN I Clock input for audio data 48 SCKO O Clock output for audio data 49 LRCKIN I Input of LRCK for audio data 50 LRCK O Output LRCK for audio data 51 xtalen I Permission to oscillate 16 9344MHz 52 D1 VDD...

Страница 60: ...GCO O Output of RF 117 C3T O Connection to the capacitor for detecting 3T 118 AGCI I Input of AGC 119 RFO O Output of RF AGC 120 121 EQ2 1 I Equalizer 2 1 122 RF2 I Reversal input of RF2 123 RF I Reversal input of RF 124 A GND Ground for the analog system 125 A I Input of A 126 C I Input of C 127 B I Input of B 128 D I Input of D 129 F I Input of F 130 E I Input of E 131 VREFIN I Input of referenc...

Страница 61: ... 27 BRXEN I O C It is possible to receive P Bus 28 bsrq I O C P Bus service request demand 29 NC Not used 30 DSCSNS I Disc state sense input 31 8EJ S905 I Input of detection of 8 cm disc ejection 32 12EJ S904 I Input of detection of 12 cm disc ejection 33 EVSS E power supply GND 34 EVDD E power supply Positive power supply 35 36 SRAMLEVEL0 1 O C SRAM level meter output 37 EMPH O C Emphasis informa...

Страница 62: ...d 87 FMODE I For flash rewriting Connected to VSS via the resistor 88 FLRQ O C For flash rewriting 89 93 NC Not used 94 csens I Flap closing sense input 95 TYPE_A D I CD DA analog digital output change setup 96 testin I Chip check test program starting input 97 HOME I Home SW sense input 98 TEMP Temperature information sense input 99 VDSENS VD power supply short sense input 100 NC Not used PE5454A...

Страница 63: ...connection Not used 12 OSCGND osc ground Ground of oscillator block 13 ROM_VDD power supply Power supply for EEPROM pin 13 is connected with a power supply of micro computer 14 DO O data out Data output 15 DGND digital ground Ground of digital block 16 NC non connection Not used 17 VDD_3 3 power supply The power supply for digital block 3 3V 0 2V 18 NC non connection Not used 19 NC non connection ...

Страница 64: ...DEH 2790MP XN ID 64 1 2 3 4 1 2 3 4 C D F A B E 7 2 2 DISPLAY LCD CAW1848 ...

Страница 65: ...ns Pin 63 swvdd L Pin 21 Source keys operative Completes power on operation After that proceed to each source operation SYSPW H Pin 43 Starts communication with Grille microcomputer Source ON 300ms 300ms In case of the above signal the communication with Grille microcomputer may fail If the time interval is not 300msec the oscillator may be defective ...

Страница 66: ...C D F A B E 7 4 CLEANING Before shipping out the product be sure to clean the following portions by using the prescribed cleaning tools Portions to be cleaned Cleaning tools CD pickup lenses Cleaning liquid GEM1004 Cleaning paper GED 008 ...

Страница 67: ...DEH 2790MP XN ID 67 5 6 7 8 5 6 7 8 C D F A B E 8 OPERATIONS ...

Страница 68: ...DEH 2790MP XN ID 68 1 2 3 4 1 2 3 4 C D F A B E ...

Страница 69: ...DEH 2790MP XN ID 69 5 6 7 8 5 6 7 8 C D F A B E ...

Страница 70: ... D F A B E About the fixing screws for the front panel If you do not operate the Detaching and Replacing the Front Panel Function use the supplied fixing screws and fix the front panel to this unit Fixing screw CXX1066 Fixing screw CXX1066 ...

Страница 71: ...eaker System remote control Connecting cords with RCA pin plugs sold separately Power amp sold separately Fuse Blue white To system control terminal of the power amp or Auto antenna relay control terminal max 300 mA 12 V DC This Product Rear output Antenna jack Yellow To terminal always supplied with power regardless of ignition switch position Red To electric terminal controlled by ignition switc...

Страница 72: ...DEH 2790MP XN ID 72 1 2 3 4 1 2 3 4 C D F A B E Jigs List Test Disc L P F TCD 782 Checking the grating g g g Checking the grating g g g Two pieces Name Jig No Remarks ...

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