Pioneer DEH-P6900IB/XN/EW5 Service Manual Download Page 3

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DEH-P6900IB/XN/EW5

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 off

the power. Unplugging and plugging the connectors

during power-on mode may damage the ICs inside

the

unit.

3. To protect the pickup unit from electrostatic discharge

during servicing, take an appropriate treatment

(shorting-solder) by referring to "the DISASSEMBLY".

4. After replacing the pickup unit, be sure to check the
grating.
5. Be careful in handling ICs. Some ICs such as MOS

type are so fragile that they can be damaged by

electrostatic

induction.

CAUTION

Danger of explosion if battery is incorrectly replaced.
Replaced only with the same or equivalent type recommended by the manufacture.
Discord used batteries according to the manufacture's instructions.

Summary of Contents for DEH-P6900IB/XN/EW5

Page 1: ...CENTRE PTE LTD 253 Alexandra Road 04 01 Singapore 159936 PIONEER CORPORATION 2006 DEH P6900IB XN EW5 CRT3852 CD RDS RECEIVER DEH P6900IB XN EW5 This service manual should be used together with the following manual s Model No Order No Mech Module Remarks CX 3195 CRT3815 S10 5COMP2 CD Mech Module Circuit Descriptions Mech Descriptions Disassembly For details refer to Important Check Points for Good ...

Page 2: ...hile such short circuit is continued the naked eyes may be exposed to the laser beam Safety Precautions for those who Service this Unit When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe reliable results Caution 1 During repair or tests minimum distance of 13 cm from the focus lens must be kept 2 During repair or tests do not view laser beam for ...

Page 3: ...wer on mode may damage the ICs inside the unit 3 To protect the pickup unit from electrostatic discharge during servicing take an appropriate treatment shorting solder by referring to the DISASSEMBLY 4 After replacing the pickup unit be sure to check the grating 5 Be careful in handling ICs Some ICs such as MOS type are so fragile that they can be damaged by electrostatic induction CAUTION Danger ...

Page 4: ...side 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 mark...

Page 5: ... 4 CD MECHANISM MODULE GUIDE PAGE 24 4 PCB CONNECTION DIAGRAM 32 4 1 TUNER AMP UNIT 32 4 2 KEYBOARD UNIT 36 4 3 PANEL UNIT 37 4 4 CD CORE UNIT S10 5COMP2 38 5 ELECTRICAL PARTS LIST 40 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 IPOD TEST MODE 51 6 5 SYSTEM MICROCOMPUTER TEST PROGRAM 52 7 GENERAL INFORMATION 53 7 1 DIAGNOSIS ...

Page 6: ...DEH P6900IB XN EW5 6 1 2 3 4 1 2 3 4 C D F A B E 1 SPECIFICATIONS Backup current 5 mA or less ...

Page 7: ...DEH P6900IB XN EW5 7 5 6 7 8 5 6 7 8 C D F A B E ...

Page 8: ...ponent 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 21 9 8 14 17 16 18 19 13 11 10 12 15 2...

Page 9: ...lyethylene Bag CEG1116 6 Cord Assy XDP7003 7 8 Accessory Assy XEA7011 9 Polyethylene Bag CEG1160 10 Holder CND1249 11 Holder CND1250 12 Handle CND3707 13 Bush CNV3930 14 Screw Assy CEA5317 15 Polyethylene Bag CEG 127 16 Screw BPZ20P060FTB 17 Screw CBA1650 18 Screw CRZ50P090FTC 19 Screw TRZ50P080FTC 20 Unit Box XHG7135 21 Contain Box XHL7135 22 Protector YHP5009 23 Protector YHP5008 24 Case Assy XX...

Page 10: ... 38 37 38 38 45 43 50 48 47 44 46 49 53 52 54 40 55 41 39 57 75 66 73 60 65 59 77 79 80 58 58 58 58 78 76 71 72 70 56 62 63 69 67 74 14 13 68 8 4 4 4 1 1 82 64 36 86 29 7 5 28 30 27 22 23 34 26 85 33 84 83 83 32 19 3 19 17 18 87 35 20 18 31 25 24 11 10 12 2 2 15 2 2 9 42 61 A A B D 88 16 ...

Page 11: ...XXA7519 38 Screw BPZ20P080FTB 39 Button XAC7149 40 Button XAC7155 41 Spring XBH7001 42 Cover XNS7180 43 Lighting Conductor XNV7035 44 Connector CN1801 CKS5207 45 Connector CN1802 CKS5545 46 Double side Tape CNM8673 47 OEL Unit MXS8231 48 Holder XNC7009 49 Holder XNV7029 50 Knob Unit XXA7493 51 52 Sub Grille Assy XXA7501 53 Plate XNS7196 54 Grille Unit XXA7505 55 Button Unit XXA7508 56 Button CAC77...

Page 12: ...DEH P6900IB XN EW5 12 1 2 3 4 1 2 3 4 C D F A B E 2 3 CD MECHANISM MODULE ...

Page 13: ... 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 CNV83...

Page 14: ...13 90 58 SAOUT SACLK MU Noi MIC 22 20 14 SYS B VR751 1 CN751 2 ASL AUX IN i POD SELECTOR AUX IN i POD CE2 SL CE1 LDET B UP 65 PPOWER Q701 Q703 Q705 Q702 VDD PSENS S802 DETACH SENSE SW 39 DSENS 37 ILMPW Q822 B UP ILB CONTRO Q8 MICIN FMRF ANT adj RF adj FM ANT T51 CF52 RFGND OSCGND DGND AUDIOGND NC VCC VDD_3 3 3 3V 2 5V IC4 3 3V 2 5V IC2 2 5V NC CE2 ROM_VDD SL DI CK CE1 LDET DO RDS_CK RDS_DATA RDS_L...

Page 15: ...CK 16 RDSDATA 48 RDSHSLK 46 RDSLK RDSDATA RDSHSLK SL 4 4 3 91 CSENS SYS B B UP SYS B REGULATOR 1 2 IC 901 NJM2388F84 4 6 DC DC CONVERTER LDET LDET 17 B UP FILM FILM TEL ILM B UP VCC FL FL RL RL E MUTE B REM EJECT 3 9 11 12 10 1 8 6 2 5 10 IN1_L 8 SEL L CSENS SWVDD 40 4 PEE 24 BZ621 BUZZER 12V REGULATOR Q201 Q202 XIN XOUT 13 X601 11 20 00MHz Q819 OEL B Q820 OEL B SA_clk 13 Vp SA_out 12 43 90 58 SAO...

Page 16: ...sistors Code Practical value 123 12k ohms 103 10k ohms Capacitors Code Practical value 103 0 01uF 101 10 100uF 10V 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 indi...

Page 17: ...R R CH SUB WOOFER L CH FRONT L CH FRONT R CH REAR L CH REAR R CH A TUNER AMP UNIT CEK1208 10A RR RR FR FR FL FL RL RL ACC GND ILM BACK UP B REM SYSTEM CONTROLLER FM AM 25 1 dBs IPBUS 36 3 dBs CD 36 7 dBs AUX1 IPOD 35 3 dBs FM AM 3 1 dBs IPBUS 14 3 dBs CD 14 7 dBs AUX1 IPOD 13 3 dBs ...

Page 18: ...1 2 3 4 C D F A B E A a A b A b 1 2 3 4 10K B 3A 600uH SUB WOOFER R CH SUB WOOFER L CH FRONT L CH FRONT R CH REAR L CH REAR R CH A TUNER AMP UNIT CEK1208 SYSTEM CONTROLLER FM AM 3 1 dBs IPBUS 14 3 dBs CD 14 7 dBs AUX1 IPOD 13 3 dBs ...

Page 19: ...DEH P6900IB XN EW5 19 5 6 7 8 5 6 7 8 C D F A B E A a A b A b 4 6 5 7 8 CEK1208 10A RR RR FR FR FL FL RL RL ACC GND ILM BACK UP B REM FM AM 25 1 dBs IPBUS 36 3 dBs CD 36 7 dBs AUX1 IPOD 35 3 dBs ...

Page 20: ...DEH P6900IB XN EW5 20 1 2 3 4 1 2 3 4 C D F A B E A b A a A a A b 1 2 3 4 FM AM TUNER UNIT FM AM 22 5 kHz 30 20 dBs AUX1 IPOD 2 2 dBs IPBUS 2 2 dBs ...

Page 21: ...Code Practical value 103 0 01uF 101 10 100uF 10V 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 capacito...

Page 22: ...DEH P6900IB XN EW5 22 1 2 3 4 1 2 3 4 C D F A B E 3 3 KEYBOARD UNIT B TA D CN1951 MULTI CONTROL ...

Page 23: ...DEH P6900IB XN EW5 23 5 6 7 8 5 6 7 8 C D F A B E B PD8168A B KEYBOARD UNIT OEL UNIT ...

Page 24: ...TOR M2 CXC4026 LOADING CARRIAGE MOTOR PICKUP UNIT P10 5 SERVICE SWITCHES CD CORE UNIT S10 5COMP2 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 DRIVER F F T T F F T T F F T T F F T T F T S C C S S C 3 2 1 9 0 4 8 7 5 ...

Page 25: ...DEH P6900IB XN EW5 25 5 6 7 8 5 6 7 8 C D F A B E C b C C CD CORE UNIT S10 5COMP2 A CN651 F SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S 6 ...

Page 26: ...DEH P6900IB XN EW5 26 1 2 3 4 1 2 3 4 C D F A B E C a C b C b 1 C CD CORE UNIT S10 5COMP2 F SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S ...

Page 27: ...DEH P6900IB XN EW5 27 5 6 7 8 5 6 7 8 C D F A B E C a C b C b 2 3 A CN651 6 ...

Page 28: ... 4 1 2 3 4 C D F A B E C b C a C a C b 1 PICKUP UNIT P10 5 SERVICE SWITCHES CD CORE UNIT S10 5COMP2 S901 HOME SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF F F T T F F T T F F T T F F T T ...

Page 29: ...CXC7134 SPINDLE MOTOR M2 CXC4026 LOADING CARRIAGE MOTOR SWITCHES CD CORE UNIT S10 5COMP2 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 DRIVER F T S C C S S C 3 2 1 9 0 4 8 7 5 ...

Page 30: ... 500 mV div 500 mV div 500 mV div 500 mV div 20 ms div FE 0FIN TE 9TIN 1 V div 500 mV div 500 mV div 500 μs div RFAGC TE 9TIN 500 mV div 500 mV div 2 ms div TE RFAGC 500 mV div 500 mV div 200 ms div 0FIN FE Source On setup operation 12 cm CD DA Source On setup operation CD DA Play operation Spindle waveform during play operation Spindle waveform during play operation Wider Focus Search waveform Tr...

Page 31: ... 1 V div 1 V div 1 V div 500 μs div RFAGC 9TIN TE 0FIN 5 V div 5 V div 5 V div 5 V div 500 ms div 1DSCSNS 28SNS 312SNS 4LOEJ 5 V div 5 V div 5 V div 500 ms div 1DSCSNS 5CLCONT 4LOEJ 12 cm CD Eject operation Analog audio waveform 12 cm CD Eject operation 8 cm CD Eject operation Black dot 800 μm during play Search operation Outter to Inner 4 Tracks Jump waveform 10 Tracks Jump waveform 32 Tracks Jum...

Page 32: ... 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 IP BUS INPUT AUX JACK WIRED REMOTE INPUT CORD ASSY i Po FRONT DSENS ...

Page 33: ... P6900IB XN EW5 33 5 6 7 8 5 6 7 8 C D F A B E A SIDE A D CN1950 C CN701 Y i Pod CONNECTOR ANTENNA JACK CN352 REAR OUTPUT FRONT OUTPUT SUBWOOFER OUTPUT FRONT FM AM TUNER UNIT 1 1 7 8 3 5 2 2 4 6 PCL TESTIN ...

Page 34: ...DEH P6900IB XN EW5 34 1 2 3 4 1 2 3 4 C D F A B E A A TUNER AMP UNIT FU 352 B 128 136 Fuse 3 A CEK1286 ...

Page 35: ...DEH P6900IB XN EW5 35 5 6 7 8 5 6 7 8 C D F A B E A SIDE B ...

Page 36: ...DEH P6900IB XN EW5 36 1 2 3 4 1 2 3 4 C D F A B E 4 2 KEYBOARD UNIT B SIDE B SIDE A B KEYBOARD UNIT B KEYBOARD UNIT TA OEL UNIT D CN1951 MULTI CONTROL ...

Page 37: ...DEH P6900IB XN EW5 37 5 6 7 8 5 6 7 8 C D F A B E 4 3 PANEL UNIT D D PANEL UNIT D PANEL UNIT SIDE A SIDE B B CN1801 A CN801 EJECT ...

Page 38: ...DEH P6900IB XN EW5 38 1 2 3 4 1 2 3 4 C D F A B E 4 4 CD CORE UNIT S10 5COMP2 C SIDE A C CD CORE UNIT S10 5COMP2 PICKUP UNIT P10 5 SERVICE A CN651 M2 LOADING CARRIAGE MOTOR M1 SPINDLE MOTOR ...

Page 39: ...DEH P6900IB XN EW5 39 5 6 7 8 5 6 7 8 C D F A B E C SIDE B C CD CORE UNIT S10 5COMP2 ...

Page 40: ...sistor 2SA1576A Q 102 B 37 104 Transistor RT1N141M 11 Q 201 A 48 75 Transistor 2SC4081 Q 202 A 55 76 Transistor UMD2N Q 301 A 145 92 Transistor RT1N241M Q 351 A 138 129 Transistor RT3C99M Q 352 B 139 128 Transistor RT3C99M Q 353 B 164 132 Transistor RT3C99M Q 401 B 140 42 Transistor UMH1N Q 402 B 126 42 Transistor UMH1N Q 650 A 7 69 Transistor 2SD2396 Q 651 B 22 66 Transistor UMD2N Q 701 A 120 120...

Page 41: ...223J R 115 B 40 109 RS1 16S472J R 161 A 74 58 RS1 16S102J R 162 A 73 64 RS1 16S102J R 163 A 74 56 RS1 16S103J R 164 A 76 64 RS1 16S103J R 172 A 111 93 RS1 16S223J Circuit Symbol and No Part No R 175 A 103 91 RS1 16S223J R 203 B 36 38 RS1 16S0R0J R 209 A 109 74 RS1 16S221J R 210 A 72 96 RS1 16S221J R 212 A 52 75 RS1 16S152J R 213 A 73 93 RAB4C102J R 301 A 146 89 RS1 16S103J R 302 A 140 95 RS1 16S33...

Page 42: ...J R 815 B 113 36 RS1 16S473J R 816 B 112 26 RS1 16S473J R 817 B 104 30 RS1 16S473J R 818 B 134 27 RS1 16S104J R 819 A 109 25 RS1 16S473J Circuit Symbol and No Part No R 820 A 112 28 RS1 16S472J R 821 A 43 45 RD1 4PU391J R 824 A 83 18 RS1 16S472J R 825 B 46 41 RS1 16S102J R 831 B 94 30 RS1 16S473J R 832 B 96 26 RS1 16S102J R 833 B 101 21 RS1 16S222J R 850 A 28 37 RD1 4PU681J R 852 A 33 26 RS1 16S1R...

Page 43: ...3 55 CEJQ2R2M50 C 605 B 91 57 CCSRCH100D50 C 606 B 96 54 CCSRCH100D50 C 608 A 109 72 CKSRYB102K50 C 650 B 14 73 CKSRYB473K50 C 651 B 55 43 CKSRYB104K16 Circuit Symbol and No Part No C 659 A 50 43 CEJQ101M16 C 660 B 50 33 CKSRYB105K10 C 661 B 69 47 CKSRYB103K50 C 662 A 49 27 CEJQ470M6R3 C 663 A 72 48 CEJQ4R7M35 C 667 B 65 64 CKSRYB105K10 C 701 A 118 33 CKSRYB473K50 C 702 A 120 33 CKSRYB473K50 C 703...

Page 44: ... 16S222J R 1834 B 36 65 RS1 16S101J R 1835 A 28 69 RS1 16S101J R 1836 B 34 65 RS1 16S101J R 1837 B 38 65 RS1 16S101J R 1838 A 27 94 RAB4C101J R 1839 A 11 84 RAB4C101J R 1840 B 29 85 RAB4C101J R 1841 A 23 94 RAB4C101J R 1842 B 25 90 RAB4C101J Circuit Symbol and No Part No R 1843 B 21 90 RAB4C101J R 1844 B 16 88 RAB4C101J R 1845 B 12 88 RAB4C101J R 1846 B 9 88 RS1 16S101J R 1847 B 10 83 RS1 16S101J ...

Page 45: ...602 B 27 41 RS1 16SS0R0J R 606 B 23 41 RS1 16SS0R0J R 701 B 16 35 RS1 16SS221J R 702 A 23 55 RS1 16SS221J CAPACITORS C 106 B 56 69 CKSQYB475K6R3 C 202 A 27 57 CKSSYB104K10 C 204 A 24 63 CKSSYB103K16 C 205 B 23 43 CKSQYB475K6R3 C 206 A 22 39 CKSSYB104K10 C 207 A 24 37 CKSRYB104K16 C 209 B 33 40 CEVW220M6R3 Circuit Symbol and No Part No C 210 B 29 42 CKSSYB104K10 C 211 A 27 34 CKSSYB104K10 C 212 B 2...

Page 46: ...rotections 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 1 k 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 p...

Page 47: ...ve 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 the Foc...

Page 48: ...ode load the disc and switch the 3 V 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 osci...

Page 49: ...DEH P6900IB XN EW5 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 20 mV div AC Fch Ych 20 mV div AC ...

Page 50: ...h 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 fou...

Page 51: ...een iPod and H U before you can enter the test mode This will disable the iPod operation from the iPod body To enable the iPod operation during the test mode from the iPod body make sure to disconnect the iPod body from H U 2 Press LIST and TA together to reset and start the test mode 3 Press such as the SOURCE key to switch to the iPod source 4 Connect the iPod body to H U as need Cancellation of...

Page 52: ... ACC switched ON the standby mode cancelled shift the TESTIN IC601 Pin 86 terminal to H The clock signal is output from the PCL terminal IC601 Pin 41 The frequency of the clock signal is 625 kHz that is one 32th of the fundamental frequency The clock signal should be 625 kHz 25 Hz If the clock signal is out of the range the X tal X601 should be replaced with new one ...

Page 53: ...lle 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 Remove the two screws and then remove the Grille Assy 2 2 1 2 2 2 3 3 3 3 Remove the three screws 2 Straighten the tabs at four locations indicated and then remove the Tuner A...

Page 54: ... 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 55: ... 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 Gea...

Page 56: ...4 3 2 1 1 B UP 2 GROUND 3 ACC 4 NC 5 ILM 6 B REM 7 NC 8 TEL MUTE 9 RL 10 FL 11 RL 12 FL 13 RR 14 FR 15 RR 16 FR E SHIELD GND 13 AUDIO GND 12 NC 11 IPOD GND 10 ACC POWER 9 D GND 8 AUDIO R 7 NC 6 DOCK RX 5 AUDIO L 4 ACC ID 3 DOCK TX 2 F W POWER 1 F W GND 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 IP BUS INPUT REAR OUTPUT SUBWOOFER OUTPUT FRONT OUTPUT WIRED REMOTE INPUT ANTENNA AUX iPod ...

Page 57: ... 5 6 7 8 9 10 33 32 31 30 29 28 27 26 25 24 11 23 44 43 42 41 40 39 38 37 36 35 34 12 13 14 15 16 17 18 19 20 21 22 Pin Layout NJM2794V OUT2 OUT1 IN1 IN1 IN2 IN2 Vref GND V 14 13 12 11 10 9 8 1 2 3 4 5 6 7 IN1 NC IN1 NC IN2 NC IN2 OUT1 NC GND VREF V NC OUT2 PML016B ...

Page 58: ... Meter Anti Rad Filter Anti Rad Filter Anti Rad Filter Anti Rad Filter Anti Rad Filter Secondary Volume Secondary Volume Secondary Volume Secondary Volume Secondary Volume Secondary Volume Anti Rad Filter Gain Adjuster PRE SW_L PRE SW_R Rear_R Front_R Tout_FR SVin_FR Tout_RR SVin_RR SVin_PreR Tout_PreR Rear_L Front_L SVin_PreL Tout_PreL MIC_in DC_filter Noise_DET_out MUTE DATA STB Vcc Vref GND HPF...

Page 59: ...UT4 22 MUTE 23 OUT4 24 P GND4 SWITCH 25 Offset Detection Offset Detection Offset Detection Offset Detection Protector Over current limit sw_vcc stby Protector Short circuit Mute circuit amp_vcc Stand by Circuit Protector Over voltage sw_vcc Protector Thermal Reference amp_vcc TC4066BFT 14 VDD 13 CONT1 12 CONT4 11 IN OUT4 10 OUT IN4 9 OUT IN3 8 IN OUT3 IN OUT1 1 OUT IN1 2 OUT IN2 3 IN OUT2 4 CONT2 ...

Page 60: ...sor mode change input TEL mute input Not used Reset input Main clock output GND Main clock input Power supply input NMI input RDS CLK input RDS PLL lock detection input CD mechanism power supply output Not used OEL power supply control Not used P BUS Reception enable input output P BUS Reset output BEEP sound output Not used P BUS Service request input IPBUS Input IPBUS Output OEL display microcom...

Page 61: ...n sense input Power supply control output Connection sense input For consumption current reduction output Not used TUNER Chip enable output EEPROM TUNER Chip enable output PLL ROM correction chip select output ACC sense input Backup sense input ROM correction clock output ROM correction data input output EVOL Strobe output EVOL Data output EVOL Clock output IPBUS Driver power supply control output...

Page 62: ...Power supply for A D converter Ground for A D converter Flash writing control terminal Internal microcomputer reset terminal Pull down Not used Chip check test program start up input Not used P BUS Serial data input P BUS Serial data output P BUS Serial clock input output Tx for flash rewriting Rx for flash rewriting P BUS Reception enable input output P BUS Service request input Not used Flash se...

Page 63: ...audio serial I F clock output 3 wire audio serial I F data output Servo monitor input output 0 2 Servo monitor input output 3 Ext MCK IN DRAM CLOCK DRAM CS DRAM CKE output Output of DRAM RAS DRAM Lower CAS LDQM output DRAM Upper CAS UDQM output Output of DRAM WE DRAM OE CAS output Input output of DRAM data 0 15 Ground for I O terminal Power supply for I O terminal Output of DRAM address 0 11 Outpu...

Page 64: ...et input Clock output GND Clock input Power supply input NMI input Not used Key strobe 3 Not used Key strobe 2 0 Not used OEL driver Display data select Not used OEL driver Data transfer and driver clock frequency Not used OEL driver Line sync signal System controller communication Display data input System controller communication Key data output Not used OEL driver Display data Not used OEL driv...

Page 65: ...bus 10 bit Image ROM Data bus 9 bit Image ROM Data bus 8 bit Image ROM Data bus 7 bit Image ROM Data bus 6 bit Image ROM Data bus 5 bit Image ROM Data bus 4 bit Image ROM Data bus 3 bit Image ROM Data bus 2 bit Image ROM Data bus 1 bit Image ROM Data bus 0 bit Not used Rotary commander AD input terminal Not used Key data 3 Not used Key data 2 1 Analog GND Key data 0 Reference voltage input Analog ...

Page 66: ...n 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 3 V 0 2 V 18 RDS_CK O RDS clock Output of RDS clock 2 5 V 19 RDS_DATA O RDS data Output of RDS data 2 5 V 20 RDS_LOCK O RDS lock Output unit High active 2 5 V RDS_LOCK turns ove...

Page 67: ...on operation After that proceed to each source operation SYSPW H Pin 1 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 CSENS Pin 91 ASENBO H Pin 80 2 V CSENS 3 V Last source returns CD loading functions are available Keys excep...

Page 68: ...DEH P6900IB XN EW5 68 1 2 3 4 1 2 3 4 C D F A B E 8 OPERATIONS ...

Page 69: ...DEH P6900IB XN EW5 69 5 6 7 8 5 6 7 8 C D F A B E ...

Page 70: ...DEH P6900IB XN EW5 70 1 2 3 4 1 2 3 4 C D F A B E CND1249 BPZ20P060FTB CND1250 ...

Page 71: ...DEH P6900IB XN EW5 71 5 6 7 8 5 6 7 8 C D F A B E Connection Diagram ...

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 p Name Jig No Remarks Grease List Grease Grease GEM1024 GEM1045 CD Mechanism Module CD Mechanism Module Name Grease No Remarks ...

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