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DEH-P5950IB/XN/ES

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SAFETY INFORMATION

CAUTION

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.

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

-

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.

-

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 10 seconds or longer.

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.

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Summary of Contents for DEH-P5950IB/XN/ES

Page 1: ...253 Alexandra Road 04 01 Singapore 159936 PIONEER CORPORATION 2006 DEH P5950IB XN ES CRT3848 CD RECEIVER DEH P5950IB XN ES DEH P5950IB XN ES1 DEH P5990IB XN ID 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 ...

Page 2: ... 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 tre...

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: ... 4 CD MECHANISM MODULE GUIDE PAGE 26 4 PCB CONNECTION DIAGRAM 34 4 1 TUNER AMP UNIT 34 4 2 KEYBOARD UNIT 38 4 3 PANEL UNIT 39 4 4 CD CORE UNIT S10 5COMP2 40 5 ELECTRICAL PARTS LIST 42 6 ADJUSTMENT 49 6 1 CD ADJUSTMENT 49 6 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 51 6 3 ERROR MODE 53 6 4 IPOD TEST MODE 54 6 5 SYSTEM MICROCOMPUTER TEST PROGRAM 55 7 GENERAL INFORMATION 56 7 1 DIAGNOSIS ...

Page 5: ...DEH P5950IB XN ES 5 5 6 7 8 5 6 7 8 C D F A B E 1 SPECIFICATIONS DEH P5950IB XN ES ES1 Backup current 5 mA or less ...

Page 6: ...DEH P5950IB XN ES 6 1 2 3 4 1 2 3 4 C D F A B E DEH P5990IB XN ID Backup current 5 mA or less ...

Page 7: ...DEH P5950IB XN 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 21 23 24 22 4 6 1 3 20 2 8 14 17 1...

Page 9: ...160 10 11 12 Handle CND3707 13 Bush CNV3930 14 Screw Assy CEA3849 15 Polyethylene Bag CEG 127 16 17 Screw CBA1650 18 Screw CRZ50P090FTC 19 Screw TRZ50P080FTC 20 Unit Box See Contrast table 2 21 Contain Box See Contrast table 2 22 Protector XHP7016 23 Protector XHP7017 24 Case Assy XXA7417 Mark No Description Part No Mark No Description DEH P5950IB XN ES DEH P5950IB XN ES1 DEH P5990IB XN ID 3 2 Own...

Page 10: ...75 66 73 60 65 59 77 79 80 58 58 58 58 78 76 71 72 70 56 62 63 69 67 74 68 4 4 4 1 1 82 64 36 86 29 28 27 22 23 34 26 85 33 84 83 83 32 19 3 19 17 87 35 20 18 25 24 11 10 12 2 2 15 2 2 61 8 9 7 5 37 38 38 38 38 42 44 49 47 48 46 45 40 43 55 50 53 54 41 39 52 88 30 31 18 13 A A B D 89 16 ...

Page 11: ...9 40 Button BAND DISP XAC7146 41 Spring XBH7001 42 Cover XNS7180 43 Lighting Conductor XNV7033 44 Connector CN1901 CKS5207 45 Button UP DOWN L R XAC7147 46 Double side Tape CNM8673 47 OLED Unit MXS8233 48 Holder XNC7028 49 Holder XNV7034 50 Knob Assy XXA7472 51 52 Sub Grille Assy See Contrast table 2 53 Plate XNS7184 54 Grille Unit See Contrast table 2 55 Button Unit AUDIO FUNC XXA7491 56 Button C...

Page 12: ...d DEH P5990IB XN ID are constructed the same except for the following Mark No Description DEH P5950IB XN ES DEH P5950IB XN ES DEH P5990IB XN ID 37 Detachable Assy XXA7478 XXA7478 XXA7530 52 Sub Grille Assy XXA7485 XXA7485 XXA7531 54 Grille Unit XXA7466 XXA7466 XXA7529 70 Panel Unit CWM8758 CWM8758 CWM9835 ...

Page 13: ...DEH P5950IB XN ES 13 5 6 7 8 5 6 7 8 C D F A B E ...

Page 14: ...DEH P5950IB XN ES 14 1 2 3 4 1 2 3 4 C D F A B E 2 3 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 CNV83...

Page 16: ... PID IPTX IPRX PVSENS 2 IC641 NJM2885DL1 33 ILB CONTRO VDD 3 3V REGULATOR 3 1 CDRST 4 18 SWVDD CONT PSENS S802 DETACH SENSE SW 39 DSENS SL CE1 CE2 B UP 65 PPW Q701 Q703 Q705 Q702 VDD 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 CE2 ROM_VDD SL DI CK CE1 NC DO NC NC NC NC 7 6 13 5 10 9 8 11 14 18 19 20 21 1 3 2 12 15 22 16 4 17 IC1 3 ...

Page 17: ... Q941 ISENS 81 SML ILM SENSE Q822 Q821 20 OELPW B UP Q852 Q851 IC851 NJM2360M 6 7 1 BZ621 BUZZER 13 13 9 12 12 7 ROT1 ROT0 35 ROT1 36 ROT0 VDD CN801 8 8 S1970 EJECT 9 9 DGND B UP 5 6 5 6 Q801 FLPILM 40 RL Q351 2 CN352 RL OEL B OEL B FL FL RL RL B UP GND ACC B REM ILM SL 4 4 3 91 CSENS AUDIO8V B UP SYS B REGULATOR 1 2 NJM2388F84 IC 901 4 6 DC DC CONVERTER PEG270A B UP FILM FILM ILM 20 00MHz B UP MU...

Page 18: ...C CN701 D PANEL UNIT FM AM TUNER UNIT For resistors and capacitors in the circuit diagrams their resistance values or capacitance values are expressed in codes Ex Resistors Code Practical value 123 12k ohms 103 10k ohms Capacitors Code Practical value 103 0 01uF 101 10 100uF 10V Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicat...

Page 19: ...CH FRONT L CH FRONT R CH REAR L CH REAR R CH A TUNER AMP UNIT 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 DETACH SYSTEM CONTROLLER FM AM 21 1 dBs IPBUS 36 3 dBs CD 36 1 dBs AUX IPOD 35 3 dBs FM AM 4 9 dBs IPBUS 10 3 dBs CD 10 1 dBs AUX IPOD 9 3 dBs ...

Page 20: ... A b 1 2 600uH 3A 4R7 35 4R7 35 4R7 35 4R7 35 4R7 35 4R7 35 NC NC NC NC NC NC NC NC PPOWER SUB WOOFER R CH SUB WOOFER L CH FRONT L CH FRONT R CH REAR L CH REAR R CH A TUNER AMP UNIT SYSTEM CONTROLLER FM AM 4 9 dBs IPBUS 10 3 dBs CD 10 1 dBs AUX IPOD 9 3 dBs ...

Page 21: ... A b 3 4 5 10A NC NC NC 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 DETACH FM AM 21 1 dBs IPBUS 36 3 dBs CD 36 1 dBs AUX IPOD 35 3 dBs ...

Page 22: ...DEH P5950IB XN ES 22 1 2 3 4 1 2 3 4 C D F A B E A b A a A a A b 1 2 FM AM TUNER UNIT IPBUS 2 2 dBs FM AM 400 Hz 30 24 dBs AUX IPOD 2 2 dBs ...

Page 23: ...rams their resistance values or capacitance values are expressed in codes Ex Resistors Code Practical value 123 12k ohms 103 10k ohms Capacitors Code Practical value 103 0 01uF 101 10 100uF 10V 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 capacit...

Page 24: ...DEH P5950IB XN ES 24 1 2 3 4 1 2 3 4 C D F A B E 3 3 KEYBOARD UNIT B DEH P5950IB XN ES DEH P5950IB XN ES1 DEH P5990IB XN ID FUNK TION DISP LAY CLOCK D CN1951 ...

Page 25: ...DEH P5950IB XN ES 25 5 6 7 8 5 6 7 8 C D F A B E B B KEYBOARD UNIT OLED UNIT ...

Page 26: ...OR 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 27: ...DEH P5950IB XN ES 27 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 28: ...DEH P5950IB XN ES 28 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 29: ...DEH P5950IB XN ES 29 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 30: ... 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 31: ...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 32: ... 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 33: ... 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 34: ...nnector 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 CORD ASSY IP BUS AUX INPUT DETACH 1 3 4 2 5 6 ...

Page 35: ...DEH P5950IB XN ES 35 5 6 7 8 5 6 7 8 C D F A B E A SIDE A FRONT D CN1950 ANTENNA FM AM TUNER UNIT iPOD PCL TESTIN REAR OUTPUT FRONT OUTPUT SUBWOOFER OUTPUT 1 1 7 8 3 5 2 2 4 6 ...

Page 36: ...DEH P5950IB XN ES 36 1 2 3 4 1 2 3 4 C D F A B E A A TUNER AMP UNIT ...

Page 37: ...DEH P5950IB XN ES 37 5 6 7 8 5 6 7 8 C D F A B E A SIDE B ...

Page 38: ...DEH P5950IB XN ES 38 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 FUNCTION DISPLAY OLED UNIT CLOCK D CN1951 ...

Page 39: ...DEH P5950IB XN ES 39 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 CN1901 A CN801 EJECT ...

Page 40: ...DEH P5950IB XN ES 40 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 41: ...DEH P5950IB XN ES 41 5 6 7 8 5 6 7 8 C D F A B E C SIDE B C CD CORE UNIT S10 5COMP2 ...

Page 42: ...4 A 125 59 IC NJM2794V IC 851 B 38 18 IC NJM2360M IC 901 A 5 120 IC NJM2388F84 Q 101 B 42 105 Transistor 2SA1576A Q 102 A 33 87 Transistor DTC114EUA Q 301 A 142 100 Transistor DTC124EUA Q 351 A 132 127 Transistor RT3C99M Q 352 B 137 126 Transistor RT3C99M Q 353 B 161 128 Transistor RT3C99M Q 650 A 5 67 Transistor 2SD2396 Q 651 B 22 57 Transistor RT3T22M Q 701 A 120 118 Transistor 2SA2060 Q 702 A 1...

Page 43: ...J R 216 B 90 85 RS1 16S101J R 217 A 79 88 RS1 16S101J R 218 B 79 94 RS1 16S101J R 301 A 145 84 RS1 16S103J R 302 A 131 99 RS1 16S331J Circuit Symbol and No Part No R 303 A 134 99 RS1 16S103J R 304 A 133 119 RS1 16S153J R 305 B 121 93 RS1 16S0R0J R 306 B 110 94 RS1 16S0R0J R 307 B 93 83 RS1 16S0R0J R 308 B 97 91 RS1 16S0R0J R 350 B 144 131 RS1 16S0R0J R 351 A 137 124 RS1 16S821J R 352 A 135 124 RS1...

Page 44: ...6S472J R 825 A 112 20 RS1 16S0R0J R 831 B 93 27 RS1 16S473J R 832 B 94 24 RS1 16S102J R 833 B 100 20 RS1 16S222J R 850 A 26 35 RD1 4PU681J Circuit Symbol and No Part No R 852 A 29 16 RS1 16S1R0J R 854 A 90 35 RS1 16S0R0J R 857 B 30 15 RS1 16S102J R 858 A 35 23 RD1 4PU472J R 859 B 32 15 RS1 16S821J R 860 B 32 21 RS1 16S391J R 901 A 33 82 RS1 16S102J R 902 A 32 85 RS1 16S103J R 912 B 33 79 RS1 16S22...

Page 45: ...B 99 25 CKSRYB105K10 C 852 B 37 25 CKSRYB223K50 C 854 B 45 12 CCSRCH331J50 Circuit Symbol and No Part No C 855 B 34 28 CKSRYB104K16 C 856 B 19 32 CKSRYB104K16 C 858 A 53 16 CEJQ470M25 C 859 A 30 28 CEJQ101M16 C 860 A 25 22 CEJQ470M16 C 901 A 49 122 3 300 µF 16 V CCH1486 C 902 B 59 120 CKSRYB104K16 C 912 B 22 82 CKSRYB472K50 C 913 B 35 68 CKSRYB103K50 C 914 A 37 66 CEJQ470M16 C 915 A 27 74 CEAT102M...

Page 46: ... RS1 16S223J R 1983 B 33 116 RS1 16S821J R 1984 B 33 117 RS1 16S182J R 1985 B 33 120 RS1 16S332J R 1986 B 35 122 RS1 16S472J R 1987 B 32 135 RS1 16S822J Circuit Symbol and No Part No R 1988 B 32 139 RS1 16S223J R 1989 B 29 99 RS1 16S103J R 1990 B 29 98 RS1 16S103J R 1991 B 29 96 RS1 16S103J R 1992 B 9 39 RS1 16S472J R 1993 B 10 35 RS1 16S332J R 1994 B 12 35 RS1 16S182J R 1995 B 14 37 RS1 16S821J R...

Page 47: ...0 24 RS1 16S181J R 1952 B 33 124 RS1 16S181J R 1953 B 36 131 RS1 16S181J R 1954 B 36 136 RS1 16S181J R 1955 B 27 154 RS1 16S181J R 1956 B 30 35 RS1 16S101J R 1959 B 36 35 RS1 16S151J R 1962 B 36 33 RS1 16S151J R 1965 B 27 157 RS1 16S181J Circuit Symbol and No Part No R 1975 B 9 36 RS1 16S822J R 1976 B 12 31 RS1 16S223J R 1977 B 32 62 RS1 16S821J R 1978 B 32 58 RS1 16S182J R 1979 B 32 54 RS1 16S332...

Page 48: ... 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 C 210 B 29 42 CKSSYB104K10 C 211 A 27 34 CKSSYB104K10 C 212 B 29 32 CKSRYB104K16 C 213 A 44 37 CKSSYB104K10 C 214 A 28 33 CKSSYB104K10 C 216 A 50 51 CKSSYB332K50 C 217 A 46 51 CKSSYB104K10 Circuit Symbol and No Part No C 218 A 49 51 CKSSYB473K10 C 219 A 45 53 CKSS...

Page 49: ...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 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 t...

Page 50: ...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 51: ...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 52: ...DEH P5950IB XN ES 52 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 53: ...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 54: ...ween 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 4 and 6 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 te...

Page 55: ...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 20 MHz 32 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 56: ...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 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 three locations indicated and then remove the Tuner A...

Page 57: ...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 58: ...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 59: ... 8 7 6 5 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 ANTENNA AUX iPod ...

Page 60: ...DEH P5950IB XN ES 60 1 2 3 4 1 2 3 4 C D F A B E 7 2 IC 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 ...

Page 61: ...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 62: ...3 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 amp_vcc ...

Page 63: ...change input Not used Not used Reset input Main clock output GND Main clock input Power supply input NMI input Not used VD power supply control 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 microcomputer communication data output OEL display microcomputer ...

Page 64: ... O O O O I I O I I I I I I I I O O Format C C C C C C C C C C C C C 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 IPBUS Slave ACC sense output Illumination sens...

Page 65: ...stal oscillator Power supply input Terminal for debug OELD controller data input Remote control input Reset for OELD controller DISP data input from sytem KEY data output to system OELD master clock output AD KEY input 2 AD reference voltage input VCC AD KEY input 1 0 General purpose port DIMMER output Command select for OELD controller Pin Functions PEG268A Format C C C C C C C PE5547A 144 37 72 ...

Page 66: ...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 67: ...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 68: ...nection 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 3 V 0 2 V 18 NC non connection Not used 19 NC non connection N...

Page 69: ...n 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 except...

Page 70: ...DEH P5950IB XN ES 70 1 2 3 4 1 2 3 4 C D F A B E 8 OPERATIONS Press and hold to select bass boost setting menu ...

Page 71: ...DEH P5950IB XN ES 71 5 6 7 8 5 6 7 8 C D F A B E CXX1644 XXX7020 CXX1645 ...

Page 72: ...DEH P5950IB XN ES 72 1 2 3 4 1 2 3 4 C D F A B E Connection Diagram ...

Page 73: ...DEH P5950IB XN ES 73 5 6 7 8 5 6 7 8 C D F A B E ...

Page 74: ...eaning 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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