Pioneer DEH-P2900MP Service Manual Download | Manualshive

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DEH-P3950MP/XU/ES

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TUNER AMP UNIT

TESTIN

SCET

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Summary of Contents for DEH-P2900MP

Page 1: ... PTE LTD 253 Alexandra Road 04 01 Singapore 159936 PIONEER CORPORATION 2006 DEH P3950MP XU ES CRT3824 CD RECEIVER DEH P3950MP XU ES DEH P3950MP XU CN5 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 fo...

Page 2: ...ibed 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 ca...

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: ...22 3 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 CD CORE UNIT S10 5COMP2 38 5 ELECTRICAL PARTS LIST 40 6 ADJUSTMENT 45 6 1 CD ADJUSTMENT 45 6 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 47 6 3 ERROR MODE 49 6 4 SYSTEM MICROCOMPUTER TEST PROGRAM 50 7 GENERAL INFORMATION 51 7 1 DIAGNOSIS 51 7 1 1 DISASSEMBLY 51 7 1 2 CONNEC...

Page 5: ...DEH P3950MP XU ES 5 5 6 7 8 5 6 7 8 C D F A B E 1 SPECIFICATIONS DEH P3950MP XU ES ...

Page 6: ...DEH P3950MP XU ES 6 1 2 3 4 1 2 3 4 C D F A B E DEH P3950MP XU CN5 ...

Page 7: ...DEH P3950MP XU ES 7 5 6 7 8 5 6 7 8 C D F A B E ...

Page 8: ... 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 12 19 14 15 13 18 11 1 8 10 2 3...

Page 9: ...mote Control Assy CXC5719 17 Carton See Contrast table 2 18 Contain Box See Contrast table 2 19 1 Owner s Manual See Contrast table 2 19 2 Owner s Manual See Contrast table 2 19 3 Installation Manual See Contrast table 2 19 4 Caution Card CRP1310 19 5 Warranty Card See Contrast table 2 Mark No Description Part No Mark No Description DEH P3950MP XU ES DEH P3950MP XU CN5 15 Case Assy CXB3520 Not use...

Page 10: ... 2 2 EXTERIOR C C A A B B A B 5 11 12 32 30 35 37 41 67 34 36 40 31 69 20 4 8 19 3 2 7 6 16 64 15 14 13 17 18 21 23 25 65 2 29 28 27 24 26 26 33 39 38 66 1 1 1 1 53 62 61 48 47 51 49 47 45 44 54 46 52 50 59 56 60 55 43 43 43 43 42 22 58 57 63 68 9 10 ...

Page 11: ...CNR1668 38 FM AM Tuner Unit CWE2025 39 Holder CND3466 40 Terminal CN402 VNF1084 41 Terminal CN601 VNF1084 42 Detachable Assy See Contrast table 2 43 Screw BPZ20P100FTC 44 Button Detach CAC9941 45 Button AUDIO FUNC CAC9942 46 Button 1 6 See Contrast table 2 47 Button L R See Contrast table 2 48 Button UP See Contrast table 2 49 Button DOWN See Contrast table 2 50 Button EJECT CAC9949 51 Button EQ B...

Page 12: ...DEH P3950MP XU ES 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 CNV8189 45 Gear CNV7219 46 Guide CNV7361 47 Gear CNV7595 48 Guide CNV8448 49 Arm CNV7805 50 Rack CNV8342 51 Roller CNV8343 52 Holder CNV8344 53 Arm CNV83...

Page 14: ...M 13 TOM 22 LOEJ LOEJ 5 52 50 X201 XTAL XTAL 16 93MHz VDSENS 11 VD TUNL CN401 1 2 TUNER AMP UNIT VCK VDT VST A SYS B ANTENNA IFA IFB B UP 5 Q991 Q992 BRST BRXEN BSRQ BDATA BSCK CN651 LOUT 3 VDD3V 7 8 RESET CDRST 16 FM AM TUNER UNIT AM_ANT SL IN REFA REFB LDET SWVDD3V DI CK CE1 DO CE2 SLOUT SL IN IFA IFB REFA REFB LDET DI CK CE1 DO CE2 SLOUT VDCONT 126 CD VD CDL IC 601 2 PN5011 SYSTEM M COMPUT SYSP...

Page 15: ...1817 S1821 S1818 LEFT S1815 S1820 S1819 S1807 4 S1809 S1808 UP S1811 S1816 RIGHT S1813 DOWN S1810 S1814 S1822 S1812 S1802 S1803 S1805 10 56 VLCD VDD 9 14 17 1 3 IC1802 GP1UX51RK REM CON REM S1801 S1804 DISP SCRL S1806 3 AUDIO S1823 VOLUME PUSH SOURCE S1827 1 2 4 B UP CDRST 16 EJECT CLK SW BASS 2 1 6 5 EQ BAND ESC SL 62 SL IN IF_INA 77 IFA IF_INB 78 IFB FREFA 96 REFA FREFB 97 REFB LOCK 99 LDET TUND...

Page 16: ...M GUIDE PAGE A a A A a A a A b A b A a A a A b A b A b A b A a A a Large size SCH diagram Guide page Detailed page Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST SYSTEM CONTROLLER C646 B CN1801 C CN701 FM AM TUNER UNIT ...

Page 17: ...3 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 indicates a capacitor No differenti...

Page 18: ...DEH P3950MP XU ES 18 1 2 3 4 1 2 3 4 C D F A B E A a A b A b 1 2 74 100MHz 4 7186MHz 3300 16 3A C646 A TUNER AMP UNIT SUB WOOFER R CH SUB WOOFER L CH FRONT L CH FRONT R CH ...

Page 19: ...al 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 indicates a capacitor No...

Page 20: ...DEH P3950MP XU ES 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 SYSTEM CONTROLLER C CN701 FM AM TUNER UNIT ...

Page 21: ...DEH P3950MP XU ES 21 5 6 7 8 5 6 7 8 C D F A B E A a A b A b A a 3 4 5 SYSTEM CONTROLLER B CN1801 ...

Page 22: ...SML 310VT D1803 D1809 D1812 D1816 D1820 D1821 D1817 D1819 D1823 D1825 D1818 D1824 C1804 C1806 C1807 C1809 R1810 R1811 R R BUTTON LED COLOR GREEN RED BLUE VOL NM NM NM 104YF 0R0 4 8 SML 310PT SML 310PT CL 197HB1 D CDE R1803 R1804 R1805 R1806 471 561 R1808 561 681 LCD DRIVER KEY CONTROLLER ...

Page 23: ...DEH P3950MP XU ES 23 5 6 7 8 5 6 7 8 C D F A B E B DEH P3950MP XU CN5 DEH P3950MP XU ES MODEL R1810 R1811 R1807 R1816 NM 0R0 471 821 08 61 81 VOLUME AUX1 INPUT A CN831 B KEYBOARD UNIT ...

Page 24: ...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 EEPROM 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 P3950MP XU ES 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 P3950MP XU ES 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 P3950MP XU ES 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: ... 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 EEPROM F F T T F F T T F F T T F F T T ...

Page 29: ...134 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 EEPROM 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: ...itor Connector 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 C CN701 B CN1801 CORD ASSY IP BUS INPUT ...

Page 33: ...DEH P3950MP XU ES 33 5 6 7 8 5 6 7 8 C D F A B E A SIDE A FRONT SY FRONT OUTPUT REAR OUTPUT OR SUBWOOFER OUTPUT ANTENNA FM AM TUNER UNIT ...

Page 34: ...DEH P3950MP XU ES 34 1 2 3 4 1 2 3 4 C D F A B E A A TUNER AMP UNIT TESTIN SCET ...

Page 35: ...DEH P3950MP XU ES 35 5 6 7 8 5 6 7 8 C D F A B E A SIDE B FU 351 B 129 132 Fuse 3 A CEK1286 ...

Page 36: ...P XU ES 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 A CN831 EJECT CLOCK SW 6 5 4 3 2 1 FUNCTION SOURCE VOLUME BAND AUDIO EQ DISPLAY AUX1 INPUT 1 4 5 3 2 S1827 ...

Page 37: ...DEH P3950MP XU ES 37 5 6 7 8 5 6 7 8 C D F A B E ...

Page 38: ...DEH P3950MP XU ES 38 1 2 3 4 1 2 3 4 C D F A B E 4 3 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 P3950MP XU ES 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: ...8 Q 801 B 15 32 Transistor 2SA1576A Q 802 B 16 26 Transistor DTC114EUA Q 821 B 27 12 Transistor 2SA1036K Q 822 B 21 17 Transistor DTC114EUA Q 931 B 61 112 Transistor 2SC4081 Q 991 A 4 113 Transistor 2SD2396 Q 992 B 9 104 Transistor UMD2N D 301 A 62 125 Diode MPG06G 6415G3 D 302 A 50 127 Diode MPG06G 6415G3 D 840 B 71 6 Diode FTZ6R8E D 841 B 84 7 Diode FTZ6R8E D 901 A 45 108 Diode MPG06G 6415G3 D 9...

Page 41: ...R 618 B 144 39 RS1 16S473J R 619 B 144 37 RS1 16S104J R 622 B 127 25 RS1 16S104J R 638 B 156 86 RS1 16S273J Circuit Symbol and No Part No R 643 B 154 36 RS1 16S104J R 651 B 30 28 RS1 16S104J R 652 B 30 33 RS1 16S102J R 653 B 30 32 RS1 16S102J R 654 B 30 30 RS1 16S221J R 656 B 103 24 RS1 16S104J R 657 B 103 26 RS1 16S104J R 658 B 34 37 RS1 16S104J R 659 B 103 28 RS1 16S472J R 660 B 103 30 RS1 16S47...

Page 42: ...3 CKSRYB102K50 C 624 B 128 64 CKSRYB102K50 C 625 B 133 70 CCSRCH270J50 C 626 B 127 70 CCSRCH270J50 C 627 B 131 76 CCSRCH150J50 C 628 B 139 62 CKSRYB102K50 C 629 B 132 57 CCSRCH4R0C50 Circuit Symbol and No Part No C 630 B 140 67 CCSRCH8R0D50 C 631 B 105 69 CKSRYB472K50 C 632 B 126 21 CKSRYB104K16 C 633 B 143 29 CKSRYB104K16 C 634 B 108 56 CCSRCH270J50 C 635 B 142 52 CKSRYB104K16 C 639 B 109 59 CKSR...

Page 43: ...149 CKSRYB472K50 C 1811 B 23 151 CKSRYB472K50 B Unit Number CN5 Unit Name Keyboard Unit Circuit Symbol and No Part No MISCELLANEOUS IC 1801 B 29 113 IC PD6340A IC 1802 A 19 161 Remote IC GP1UX51RK D 1803 A 7 148 LED SML 310PT D 1804 A 7 155 LED SML 310PT D 1805 A 40 148 LED SML 310PT D 1806 A 40 137 LED SML 310PT D 1807 A 40 127 LED SML 310PT D 1808 A 40 116 LED SML 310PT D 1809 A 40 74 LED SML 31...

Page 44: ...A 27 63 RAB4CQ104J R 307 A 34 19 RS1 16SS183J R 308 A 38 20 RS1 16SS183J R 309 A 35 21 RS1 16SS183J R 310 A 38 21 RS1 16SS183J R 601 B 28 38 RS1 16SS0R0J R 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 Circuit Symbol and No Part No C 106 B 56 69 CKSQYB475K6R3 C 201 A 28 67 CKSRYB104K16 C 202 A 27 57 CKSSYB104K10 C 204 A 24 63 C...

Page 45: ...re 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 th...

Page 46: ...se 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 47: ...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 48: ...DEH P3950MP XU ES 48 1 2 3 4 1 2 3 4 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 49: ...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 50: ...le panel installed the ACC switched ON the standby mode cancelled shift the TESTIN IC601 Pin 112 terminal to H The clock signal is output from the SCET IC601 Pin 43 terminal The frequency of the clock signal is 1 Hz The clock signal should be 1 Hz 0 000 04 Hz If the clock signal is out of the range the X tal X601 should be replaced with new one ...

Page 51: ... 1 Removing the Tuner Amp Unit Fig 2 Detachable Assy Remove the four screws 2 Release the two latchs and then remove the Detachable Assy 1 Remove the Case Remove the screw BSZ26P180FTC Remove the screw BSZ26P100FTC Remove the two screws Remove the two screws Straighten the tabs at two locations indicated and then remove the Tuner Amp Unit 1 3 3 1 1 2 1 1 2 2 4 4 5 5 Disconnect the connector and th...

Page 52: ...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 53: ...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 54: ...L 10 FL 11 RL 12 FL 13 RR 14 FR 15 RR 16 FR 1 B UP 2 GND 3 ACC 4 NC 5 NC 6 B REM 7 NC 8 NC 1 BUS 2 GND 3 GND 4 NC 5 BUS 6 GND 7 BUS L 8 ASENB 9 BUS R 10 BUS R 11 BUS L 11 10 9 8 7 6 5 4 3 2 1 IP BUS INPUT REAR OUTPUT OR SUBWOOFER OUTPUT FRONT OUTPUT 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 ANTENNA ...

Page 55: ...TBY 5 OUT2 6 VCC 7 OUT1 8 P GND1 9 OUT1 10 SVR 11 IN1 12 IN2 13 S GND 14 IN4 15 IN3 16 AC GND 17 OUT3 18 P GND3 19 OUT3 20 VCC 21 OUT4 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 ...

Page 56: ...am Isolator Isolator Auto Zero Gain Adjuster Input Selector TRE BASS LOUDNESS Front_R Rear_R Front_L Rear_L Anti Alias Filter Primary Volume 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 Level Meter LM_out Secondary Volume Secondary Volume Pre SW_L Pre SW_R Anti Radiation Filter Supply Reference Anti Radiation Filter HPF Digital Block Phase inv LPF F...

Page 57: ...BUS Reception enable input output P BUS Service request input P BUS Serial data input Test data input P BUS Serial data output P BUS Serial clock output Test data clock synchronizer output Data output for display microcomputer Data output for self writing Key data input from display microcomputer Data input for self writing Not used Slave ACC sense output IPBUS Driver power supply control output I...

Page 58: ...ly Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for ...

Page 59: ...f Overvoltage Protection All Ourput OFF B B B B VDD Reduced voltage Detection B VDD Overvoltage Detection BA4918 V12 PN5011A 144 37 72 109 36 73 108 1 Format Meaning C CMOS N Nch open drain Pin No Pin Name I O Function and Operation 133 134 135 136 137 140 141 142 143 144 P7AVSS P7AVDD AVSS SL NC MODELAD KEYAD NC AVREF0 I I I Format GND for port 7 VDD for port 7 A D converter GND Signal level inpu...

Page 60: ...ive power supply 11 14 KST3 0 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 3...

Page 61: ...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 62: ...udio 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 Output...

Page 63: ...9 MUTE Mute control pin 10 POWVCC1 Power supply pin for CH1 CH2 and CH3 at Power stage 11 VO1 Driver CH1 Negative output 12 VO1 Driver CH2 Positive output 13 VO2 Driver CH2 Negative output 14 VO2 Driver CH2 Positive output 15 VO3 Driver CH2 Positive output 16 VO3 Driver CH2 Negative output 17 VO4 Driver CH4 Positive output 18 VO4 Driver CH4 Negative output 19 POWVCC2 Power supply pin for CH4 at Po...

Page 64: ... REFINA I I I I I Reference Signal Input reference signal for PLL part with FE_IC 12 REFINB Reference Signal Input reference signal for PLL part with FE_IC 13 LDET Lock Detector PLL lock detecter output High active 14 VDD O Power Supply Power supply for Digital block D C 3 3 V 0 2 V 15 DI Data In 16 CK CK 17 CE1 Chip Enable 1 Chip enable for FE_IC High active 18 DO O Data Out Data output 19 CE2 O ...

Page 65: ...DEH P3950MP XU ES 65 5 6 7 8 5 6 7 8 C D F A B E 7 2 2 DISPLAY LCD CAW1931 DEH P3950MP XU ES SEGMENT COMMON ...

Page 66: ...DEH P3950MP XU ES 66 1 2 3 4 1 2 3 4 C D F A B E LCD CAW1930 DEH P3950MP XU CN5 SEGMENT COMMON ...

Page 67: ...DD H Pin 1 Source keys operative Completes power on operation After that proceed to each source operation SYSPW H Pin 15 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 68: ...DEH P3950MP XU ES 68 1 2 3 4 1 2 3 4 C D F A B E 8 OPERATIONS ...

Page 69: ...DEH P3950MP XU ES 69 5 6 7 8 5 6 7 8 C D F A B E CXX2204 ...

Page 70: ...DEH P3950MP XU ES 70 1 2 3 4 1 2 3 4 C D F A B E Connection Diagram ...

Page 71: ...DEH P3950MP XU ES 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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