Pioneer DEH 2800MP - Radio / CD Service Manual Download Page 29 | Manualshive

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DEH-2800MP/XN/UC

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M1 CXC6742

SPINDLE MOT

OR

M2 CXC4026

LOADING/CARRIAGE MOT

OR

CD DRIVER

SWITCHES:

CD CORE UNIT(S10.5COMP1)

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.

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Summary of Contents for DEH 2800MP - Radio / CD

Page 1: ...exandra Road 04 01 Singapore 159936 PIONEER CORPORATION 2005 DEH 2800MP XN UC CRT3554 HIGH POWER CD MP3 WMA PLAYER WITH FM AM TUNER DEH 2800MP XN UC DEH 2850MP XN ES This service manual should be used together with the following manual s Model No Order No Mech Module Remarks CX 3164 CRT3583 S10 5COMP1 CD Mech Module Circuit Descriptions Mech Descriptions Disassembly For details refer to Important ...

Page 2: ...n WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer birth defects or other reproductive harm Health Safety Code Section 25249 6 Proposition 65 CD Section Precaution 1 You should conform to the regulations governing the product safety radio and noise and other regulations and should keep the safety ...

Page 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...

Page 4: ...GE 18 3 3 KEYBOARD UNIT 24 3 4 CD MECHANISM MODULE GUIDE PAGE 26 4 PCB CONNECTION DIAGRAM 36 4 1 TUNER AMP UNIT 36 4 2 KEYBOARD UNIT 40 4 3 CD CORE UNIT S10 5COMP1 42 5 ELECTRICAL PARTS LIST 44 6 ADJUSTMENT 48 6 1 CD ADJUSTMENT 48 6 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 50 6 3 ERROR MODE 52 6 4 SYSTEM MICROCOMPUTER TEST PROGRAM 53 7 GENERAL INFORMATION 54 7 1 DIAGNOSIS 54 7 1 1 DIS...

Page 5: ...DEH 2800MP XN UC 5 5 6 7 8 5 6 7 8 C D F A B E 1 SPECIFICATIONS ...

Page 6: ...DEH 2800MP XN UC 6 1 2 3 4 1 2 3 4 C D F A B E ...

Page 7: ...DEH 2800MP XN UC 7 5 6 7 8 5 6 7 8 C D F A B E ...

Page 8: ...t 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 Screw adjacent to mark on the product are used for disassembly For the applying amount of lubricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate 16 1 9 5 4...

Page 9: ...g CEG 127 6 Screw CRZ50P090FTC 7 Screw TRZ50P080FTC 8 Polyethylene Bag CEG 158 9 Handle CNC5395 10 Bush CNV3930 11 Polyethylene Bag CEG1173 12 Carton CHG5633 13 Contain Box CHL5633 14 Protector CHP2664 15 Protector CHP2868 16 1 Owner s Manual CRD4027 16 2 Installation Manual CRD4028 16 3 Caution Card CRP1310 16 4 Warranty Card CRY1247 17 Cord Assy XDE7008 Mark No Description Part No Part No Langua...

Page 10: ...DEH 2800MP XN UC 10 1 2 3 4 1 2 3 4 C D F A B E 2 2 PACKING DEH 2850MP XN ES 15 18 11 12 13 16 1 6 10 9 8 7 5 4 2 17 14 ...

Page 11: ...0P080FTC 8 Polyethylene Bag CEG 158 9 Handle CNC5395 10 Bush CNV3930 11 Polyethylene Bag CEG 162 12 Carton CHG5631 13 Contain Box CHL5631 14 Protector CHP2664 15 Protector CHP2868 16 1 Owner s Manual CRD4029 16 2 Installation Manual CRD4030 16 3 Caution Card CRP1310 17 Cord Assy XDE7008 18 Case Assy CXB3520 Mark No Description Part No Part No Language CRD4029 English Spanish Portuguese B Tradition...

Page 12: ...DEH 2800MP XN UC 12 1 2 3 4 1 2 3 4 C D F A B E 2 3 EXTERIOR ...

Page 13: ...276 32 Panel CNS8404 33 Arm CNV4692 34 Arm CNV4728 35 Arm CNV5576 36 Screw IMS20P030FTB 37 Detach Grille Assy See Contrast table 2 38 Screw BPZ20P100FTB 39 Button DETACH CAC9382 40 Button VOLUME See Contrast table 2 41 Button CLOCK 1 6 LOCAL BSM AUDIO CAC9385 42 Button EJECT CAC9386 43 Button CAC9387 44 Button EQ DISPLAY CAC9388 45 Button SOURCE BAND See Contrast table 2 46 Spring CBH2210 47 Cover...

Page 14: ...DEH 2800MP XN UC 14 1 2 3 4 1 2 3 4 C D F A B E 2 4 CD MECHANISM MODULE ...

Page 15: ...CND2584 30 Lever CND2585 31 Arm CND2586 32 Bracket CND2587 33 Arm CND2588 34 Lever CND2589 35 Holder CNV7201 36 Gear CNV7207 37 Gear CNV7208 38 Gear CNV7209 39 Gear CNV7210 40 Gear CNV7211 41 Gear CNV7212 42 Rack CNV7214 43 Arm CNV7216 44 Roller CNV7218 45 Gear CNV7219 46 Guide CNV7361 47 Gear CNV7595 48 Guide CNV7799 49 Arm CNV7805 50 Rack CNV8342 51 Roller CNV8343 52 Holder CNV8344 53 Arm CNV834...

Page 16: ...3VON VDD 15 5 FOCUS ACT TRACKING ACT FOP TOP 2 1 TOP FOP 11 FOP 14 TOP 2 1 14 VD VDCONT 13 12 X701 X1 X2 8EJ 31 DSCSNS 30 SWVDD 14 RESET 8 10 RESET CDMUTE 8 8 VREF REFO 133 REFOUT 3 3 FOM LOCK RFOK FOM 12 FOM 4 4 TOM TOM 13 TOM 21 CLCONT CLCONT 41 46 CD3VON 1 4 00MHz 35 34 X201 XTAL XTAL 16 93MHz XRST XASTB ADO XCK XSO XSI WAIT XINT 56 63 LOCK 1 E TUN_Lch 2 CD_Lch SYSTEM CN401 1 2 CN651 TUNER AMP ...

Page 17: ... 9 11 12 10 1 6 2 B CN901 TUNPCE1 TUNPCE2 TUNPDI RESET TUNPDO SL 56 55 11 12 76 TUNPCK 13 TUNPDO TUN3V TUN 3V REG B UP SYS 8V REG TUNPDI CE1 CE2 SL TUNPCK Q912 DALMON 32 B UP VCC SYS 8V 6 20 6 4 8 3 5 7 6 4 8 3 SOURCE 5 1V SWVDD SRC DSENS ILM DPDT KYDT S1805 SWVDD 21 66 DSENS 65 ILMPW 22 DPDT 9 KYDT 8 RLch CN352 2 FLIn 14 Q822 DSENS SOURCE SWVDD BSENS ASENS X1 X2 70 X601 12 58291MHz 69 KEY DATA X0...

Page 18: ... 33K DEH 2800MP XN UC 47K DEH 2850MP XN ES B CN1801 C CN901 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...

Page 19: ...DEH 2800MP XN UC 19 5 6 7 8 5 6 7 8 C D F A B E A b A CEK1208 10A A TUNER AMP UNIT C CN901 600µH CDRESET SOURCE STRKEY2 ...

Page 20: ...DEH 2800MP XN UC 20 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 R602 68K DEH 2800MP XN UC NM DEH 2850MP XN ES R601 33K DEH 2800MP XN UC 47K DEH 2850MP XN ES C CN901 SOURCE ...

Page 21: ... 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 capacitors CDRESET STRK...

Page 22: ...DEH 2800MP XN UC 22 1 2 3 4 1 2 3 4 C D F A B E A a A b A b 1 2 3 CEK1208 10A A TUNER AMP UNIT 600µH ...

Page 23: ...DEH 2800MP XN UC 23 5 6 7 8 5 6 7 8 C D F A B E A a A b A b 4 CEK1208 10A 600µH ...

Page 24: ...DEH 2800MP XN UC 24 1 2 3 4 1 2 3 4 C D F A B E 3 3 KEYBOARD UNIT B LCD DRIVER B KEYBOARD UNIT ...

Page 25: ...DEH 2800MP XN UC 25 5 6 7 8 5 6 7 8 C D F A B E B LCD CAW1906 DEH 2800MP XN UC CAW1905 DEH 2850MP XN ES A CN831 ...

Page 26: ... UNIT P10 5 SERVICE CD DRIVER SWITCHES CD CORE UNIT S10 5COMP1 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 F F T T F T C S F T C S T T F F T F F T F T F S C S S C C F T T S S C C 8 9 3 2 1 4 6 7 NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC ...

Page 27: ...SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S A CN651 3 3 V REGULATOR CD CONTROLLER 0 5 NC SRAMLEVEL0 SRAMLEVEL1 ADENA SRAMLEVEL2 CD3VON MCKRQ NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC S905 S904 ...

Page 28: ...b C a C a C b 1 PICKUP UNIT P10 5 SERVICE SWITCHES CD CORE UNIT S10 5COMP1 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 F F T T F T C S F T C S T T F F T F F T ...

Page 29: ...DING CARRIAGE MOTOR CD DRIVER SWITCHES CD CORE UNIT S10 5COMP1 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 F T F S C S S C C F T T S S C C 8 9 3 2 1 4 6 7 NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC ...

Page 30: ...DEH 2800MP XN UC 30 1 2 3 4 1 2 3 4 C D F A B E C a C b C b 1 CD CORE UNIT S10 5COMP1 C F SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S 3 3 V REGULATOR 0 ...

Page 31: ...31 5 6 7 8 5 6 7 8 C D F A B E C a C b C b 2 3 A CN651 CD CONTROLLER 5 NC SRAMLEVEL0 SRAMLEVEL1 ADENA SRAMLEVEL2 CD3VON MCKRQ NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC S905 S904 ...

Page 32: ... div 20 ms div Ref REFO Mode Normal TE FE 500 mV div 500 mV div 200 ms div Source On setup operation CD DA Play operation Ref REFO Mode Normal FE 9 FIN TE 8 TIN 500 mV div 500 mV div 500 mV div 500 mV div 20 ms div CD ROM play operation Regular track Jump Ref REFO Mode Normal MDX 6 SIN 2 V div 500 mV div 5 µs div Ref REFO Mode Normal MDX 6 SIN 2 V div 200 mV div 50 ms div Spindle waveform during p...

Page 33: ...N 7 CIN 8 TIN 1 V div 500 mV div 500 mV div 500 ms div Ref REFO Mode Normal 1 DSCSNS 2 8SNS 3 12SNS 5 V div 5 V div 5 V div 500 ms div 12 cm CD Eject operation CD DA CD ROM mode change Band key Ref GND Mode Normal RFAGC TE 8 TIN 1 V div 500 mV div 500 mV div 500 µs div 4 Tracks Jump waveform 32 Tracks Jump waveform Ref REFO Mode TEST RFAGC TE 8 TIN 1 V div 500 mV div 500 mV div 2 ms div Ref REFO M...

Page 34: ... D F A B E 6 SIN 7 CIN 8 TIN 1 V div 500 mV div 500 mV div 500 ms div CD ROM CD DA mode change Band key Ref REFO Mode Normal RFAGC 8 TIN TE 9 FIN 1 V div 1 V div 1 V div 1 V div 500 µs div Black dot 800 µm during play Ref REFO Mode Normal ...

Page 35: ...DEH 2800MP XN UC 35 5 6 7 8 5 6 7 8 C D F A B E ...

Page 36: ...nector P C Board Chip Part 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 CN651 B CN1801 C CN901 CORD ASSY 1 5 15 2 10 20 3 2 1 ...

Page 37: ...DEH 2800MP XN UC 37 5 6 7 8 5 6 7 8 C D F A B E A SIDE A FRONT ANTENNA JACK REAR OUTPUT FM AM TUNER UNIT 1 4 2 3 2 1 ...

Page 38: ...DEH 2800MP XN UC 38 1 2 3 4 1 2 3 4 C D F A B E A A TUNER AMP UNIT IC151 TEST PCL ...

Page 39: ...DEH 2800MP XN UC 39 5 6 7 8 5 6 7 8 C D F A B E A SIDE B IC963 1 TEST ...

Page 40: ... B E 4 2 KEYBOARD UNIT B B KEYBOARD UNIT B KEYBOARD UNIT SIDE A SIDE B D1810 R1815 R1814 R1813 R1812 R1808 R1809 R1807 R1811 A CN831 VOL VOL EQ DISP LOUD CLOCK 1ch 2ch 3ch 4ch RDM 5ch RPT 6ch PAUSE LOC DOWN LEFT RIGHT UP EJECT SOURCE AUDIO BAND ...

Page 41: ...DEH 2800MP XN UC 41 5 6 7 8 5 6 7 8 C D F A B E ...

Page 42: ...XN UC 42 1 2 3 4 1 2 3 4 C D F A B E 4 3 CD CORE UNIT S10 5COMP1 C C CD CORE UNIT S10 5COMP1 SIDE A IC301 IC203 20 CN901 PICKUP UNIT P10 5 SERVICE A CN651 M2 LOADING CARRIAGE MOTOR M1 SPINDLE MOTOR F E REFO1 HOME ...

Page 43: ...DEH 2800MP XN UC 43 5 6 7 8 5 6 7 8 C D F A B E C C CD CORE UNIT S10 5COMP1 SIDE B DSCSNS 8EJ 12EJ ...

Page 44: ...K Q 821 B 43 15 Transistor 2SA1036K Q 822 B 31 17 Transistor DTC114EU Q 911 A 8 116 Transistor 2SD2396 Q 912 B 9 128 Transistor UMD2N Q 921 A 8 103 Transistor 2SD2396 Q 923 B 24 79 Transistor UMD2N Q 931 B 61 107 Transistor UMX1N Q 991 A 8 69 Transistor 2SD2396 Q 992 B 21 58 Transistor UMD2N D 551 A 62 124 Diode MPG06G 6415G3 D 552 A 59 124 Diode MPG06G 6415G3 D 901 A 35 131 Diode MPG06G 6415G3 D ...

Page 45: ...04J R 961 B 67 78 RS1 16S102J R 962 B 62 78 RS1 16S183J R 991 A 20 61 RD1 4PU271J R 992 A 15 68 RD1 4PU221J CAPACITORS Circuit Symbol and No Part No C 151 B 160 73 CKSRYB224K10 C 152 B 160 75 CKSRYB224K10 C 153 B 130 69 CKSRYB105K6R3 C 154 B 142 74 CKSRYB105K6R3 C 165 B 136 91 CKSRYB104K16 C 166 A 134 92 CEJQ470M10 C 167 A 128 92 CEJQ100M16 C 301 B 119 108 CKSQYB474K16 C 302 B 128 111 CKSQYB474K16...

Page 46: ...701 A 24 37 Ceramic Resonator 4 000MHz CSS1652 S 901 A 57 57 Switch HOME CSN1067 S 903 B 23 78 Switch DSCSNS CSN1067 Circuit Symbol and No Part No S 904 B 42 87 Switch 12EJ CSN1068 S 905 B 28 88 Switch 8EJ CSN1068 RESISTORS R 101 B 61 92 RS1 10SR2R4J R 102 B 63 92 RS1 10SR2R4J R 103 B 63 89 RS1 10SR2R7J R 104 A 52 73 RS1 16SS102J R 201 B 44 57 RS1 16SS102J R 202 A 38 62 RS1 16SS473J R 203 A 37 62 ...

Page 47: ... 62 CKSSYB103K16 C 232 A 12 31 CKSRYB105K10 C 237 A 31 67 CKSSYB104K10 C 239 A 46 74 CCSSCH220J50 C 246 A 42 80 CKSSYB104K10 C 250 A 42 81 CKSRYB102K50 C 251 A 41 83 CKSRYB102K50 C 303 A 18 20 CKSSYB472K25 C 304 A 17 17 CKSSYB103K16 C 307 A 34 15 CKSSYB104K10 C 308 A 17 30 CKSRYB105K10 C 601 B 25 50 CCSRCH102J50 C 602 B 26 51 CCSRCH102J50 C 701 B 25 47 CKSSYB104K10 C 703 B 28 42 CKSSYB103K16 C 706...

Page 48: ...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...

Page 49: ...e S Curve Rough Servo and RF AGC F T RF AGC 4 SPDL 1X 2X switching As for the double speed 2x audio output cannot be supported 5 Error Rate measurement ON ERR 30Counts Start BER display data 6 F Mode switching Tracking Close CRG TR Jump Switching After the Eject key is pressed keys other than the Eject key should not be pressed until disc ejection is complete When the key 2 or 3 is pressed during ...

Page 50: ... mode load the disc and 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 osc...

Page 51: ...DEH 2800MP XN UC 51 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 ...

Page 52: ... or CRG move mechanism Communication error between microcomputer and SERVO LSI 11 Electricity Focus Servo NG Focusing not available Stains on rear side of disc or excessive vibrations on REWRITABLE 12 Electricity Spindle Lock NG Spindle not locked Sub code is strange not readable Subcode NG Failure on spindle stains or damages on disc or excessive vibrations A disc not containing CD R data is foun...

Page 53: ...witched ON the standby mode cancelled shift the TESTIN IC601 Pin 15 terminal to H The clock signal is output from the PCL terminal IC601 Pin 14 The frequency of the clock signal is 786 432 kHz that is one 16th of the fundamental frequency The clock signal should be 786 432 kHz 31 5 Hz If the clock signal is out of the range the X tal X601 should be replaced with new one ...

Page 54: ...le Assy Fig 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 Remove the three screws 2 Straighten the tabs at three locations indicated and then remove the Tuner Am...

Page 55: ...the mechanism remove the two Springs A the six Springs B and the four Screws 2 Turn the Upper Frame using the part a as a pivot and remove the Upper Frame 3 While lifting the Carriage Mechanism remove it from the three Dampers Caution When assembling be sure to apply some alcohol to the Dampers and assemble the mechanism in a clamped state 1 Hold the Upper and Lower Frames 2 Do not hold the front ...

Page 56: ...the SW in a clamped state so as not to damage it How to remove the Pickup Unit 1 Make the system in the carriage mechanism mode and have it clamped 2 Remove the CD Core Unit and remove the leads from the Inner Holder 3 Remove the Poly Washer Change Arm and Pickup Lock Arm 4 While releasing from the hook of the Inner Holder lift the end of the Feed Screw Caution When assembling move the Planet Gear...

Page 57: ... 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 REMOTE NC NC Pin No 9 10 11 12 13 14 15 16 RL FL RL FL RR FR RR FR 16 2 1 15 14 13 12 11 10 9 8 7 6 5 4 3 REAR OUTPUT ANTENNA JACK ...

Page 58: ...uter communication data output Not used PLL data input PLL data output PLL clock output Clock adjustment output Test program input Bus serial data input Bus serial output data Bus serial clock output Not used Not used Display microcomputer chip select output Illumination power output Not used Output for dark current reduction circuit Stand by mode L output GND Bus reset output Bus RX enable input ...

Page 59: ...rrent limit sw_vcc stby Protector Short circuit Mute circuit amp_vcc Stand by Circuit Protector Over voltage sw_vcc Protector Thermal Reference amp_vcc PAL007B 69 70 71 72 73 74 75 76 77 78 79 80 X2 1 IC VPP NC VSS AVDD AVREF1 SL NC BSRQ STRKEY1 I I I Crystal oscillator connection pin GND Not used VSS VDD VDD Signal level input Not used Bus slave service request Wired remote control input 1 Pin No...

Page 60: ... Front_R Rear_R STB CLK DATA Block Diagram Isolator Isolator Auto Zero Gain Adjuster Input Selector TRE BASS LOUDNESS Secondary Volume Front_R Rear_R Front_L Rear_L Anti Radiation Filter Anti Alias Filter Primary Volume Digital Block IN1_L IN2_L IN3_L IN4 _L IN4 _L IN4 _R IN4 _R IN3_R IN2_R IN1_R STB DATA CLK GND Vcc Vref MID Secondary Volume Supply Reference Secondary Volume Secondary Volume PML0...

Page 61: ...O Key strobe output 15 16 KDT0 1 I 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 ou...

Page 62: ...or 1 6 V digital circuits Power supply for DAC Output of audio for the right channel Ground for DAC Connected to the capacitor for band gap Ground for DAC Output of audio for the left channel Power supply for DAC Power supply for the crystal oscillator Connected to the crystal oscillator 16 9344 MHz Connected to the crystal oscillator 16 9344 MHz Ground for the crystal oscillator Control of 1 6 V ...

Page 63: ... DRAM address0 10 Power supply for digital circuits Output of focus drive PWM Output of focus drive PWM Output of tracking drive PWM Output of tracking drive PWM Output of thread drive PWM Output of thread drive PWM Output of spindle drive PWM Output of spindle drive PWM REFOUT for servo Power supply for ADC Output of EFM signals Input of asymmetry Analog tests Input of RF Ground for the analog sy...

Page 64: ...f the regulator GND Oscillator connection for mainclock Oscillator connection for mainclock System reset input Connected to the oscillator for subclock connected to VSS via the resistor Connected to the oscillator for subclock Open Connected to EVDD or EVSS via the resistor Not used CD LSI interruption signal input Not used Bus reset input Bus serial data input Bus serial data output Bus serial cl...

Page 65: ...70 71 75 76 77 90 91 93 94 95 96 97 98 99 100 ROMDATA ROMCK ROMCS NC CLKOUT LOCK NC BVSS BVDD NC FLMD1 NC A D csens TYPE_A D NC TEMP VDSENS DSCSNS I O O O I I O I C C E2PROM data input output E2PROM clock output E2PROM chip selection output Not used Not used Spindle lock input Not used B power supply GND B power supply Positive power supply Not used Address Data Bus 5 Not used Not used Not used No...

Page 66: ...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 ...

Page 67: ...0MP XN ES SEGMENT COMMON COM 3 COM 2 COM 1 COM 0 SEG38 SEG37 SEG36 SEG35 SEG34 SEG33 SEG32 SEG31 SEG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG 9 SEG 8 SEG 7 SEG 6 SEG 5 SEG 4 SEG 3 SEG 2 SEG 1 SEG 0 SEG39 COM 3 COM 2 COM 1 COM 0 ...

Page 68: ...sens 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 300 ms 300 ms In case of the above signal the communication with Grille microcomputer may fail If the time interval is not 300 msec the oscillator may be defective ...

Page 69: ...DEH 2800MP XN UC 69 5 6 7 8 5 6 7 8 C D F A B E 8 OPERATIONS ...

Page 70: ... 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 CBA1994 DEH 2800MP XN UC CXX1982 DEH 2850MP XN ES Fixing screw CBA1994 DEH 2800MP XN UC CXX1982 DEH 2850MP XN ES ...

Page 71: ...DEH 2800MP XN UC 71 5 6 7 8 5 6 7 8 C D F A B E ...

Page 72: ...leaning tools Portions to be cleaned Cleaning tools g CD pickup lenses Cleaning liquid GEM1004 Cleaning paper GED 008 g p p 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 Grease List Grease Grease GEM1024 GEM1045 CD Mechanism Module CD Mechanism Module Name Grease No Remarks ...

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