Pioneer DEH-P2550 XN/ES Service Manual Download | Manualshive

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DEH-P2550/XM/ES

SAFETY INFORMATION

[ Important symbols for good services ]

In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:

2. Adjustments

To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.

3. Cleaning

For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.

5. Lubricants, glues, and replacement parts

Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.

4. Shipping mode and shipping screws

To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.

1. Product safety

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.

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.

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Summary of Contents for DEH-P2550 XN/ES

Page 1: ...Road 04 01 Singapore 159936 C PIONEER CORPORATION 2002 K ZZA OCT 2002 Printed in Japan ORDER NO CRT2983 MULTI CD CONTROL HIGH POWER CD PLAYER WITH FM AM TUNER DEH P2550XM ES XN ES Service Manual DEH P2550 XM ES This service manual should be used together with the following manual s Model No Order No Mech Module Remarks CX 3026 CRT2944 S10 CD Mech Module Circuit Description Mech Description Disasse...

Page 2: ...rescribed grease or glue to proper portions by the appropriate amount For replacement parts or tools the prescribed ones should be used 4 Shipping mode and shipping screws To protect the product from damages or failures that may be caused during transit the shipping mode should be set or the shipping screws should be installed before shipping out in accordance with this manual if necessary 1 Produ...

Page 3: ...TIONS 4 2 EXPLODED VIEWS AND PARTS LIST 5 2 1 PACKING 5 2 2 EXTERIOR 6 2 3 CD MECHANISM MODULE 8 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 10 3 1 BLOCK DIAGRAM 10 3 2 OVERALL CONNECTION DIAGRAM GUIDE PAGE 12 3 3 KEYBOARD UNIT 18 3 4 CD MECHANISM MODULE 20 4 PCB CONNECTION DIAGRAM 24 4 1 TUNER AMP UNIT 24 4 2 PANEL UNIT 28 4 3 KEYBOARD UNIT 29 4 4 CD MECHANISM MODULE 30 5 ELECTRICAL PARTS LIST 32 6 ADJ...

Page 4: ...1 SPECIFICATIONS 4 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES Backup current 5 mA or less ...

Page 5: ...CHL4975 Contain Box DEH P2550 XN ES CHL4961 19 Protector CHP2663 20 Protector CHP2664 Mark No Description Part No Mark No Description Part No PACKING SECTION PARTS LIST NOTE Parts marked by are generally unavailable because they are not in our Master Spare Parts List Screws adjacent to mark on the product are used for disassembly For the applying amount of lubricants or glue follow the instruction...

Page 6: ...6 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES 2 2 EXTERIOR ...

Page 7: ... 42 Spring CBH2652 43 Spring CBH2653 44 Spring CBL1512 45 Holder CND1254 46 Cover CNM6854 47 Panel CNS7245 48 Gear CNV5997 49 Pin CNV6486 50 Lighting Conductor CNV6487 51 Arm CNV7400 52 Arm CNV7401 53 Arm CNV7402 54 Arm CNV7403 55 Panel Unit CWM8758 56 Socket CN1950 CKS3550 57 Connector CN1951 CKS4462 58 Holder Unit CXB9501 59 Holder Unit CXB9502 60 Damper Unit CXB9503 61 Service Panel Unit CXX169...

Page 8: ...8 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES 1GEM1024 2GEM1045 3GEM1035 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1 1 1 2 2 1 3 2 3 CD MECHANISM MODULE ...

Page 9: ...m CNC9968 39 Arm CNC9973 40 Lever CNC9983 41 Lever CNC9984 42 Sheet CNM8134 43 Collar CNV6906 44 Guide CNV6925 45 Arm CNV7198 46 Rack CNV7199 47 Holder CNV7201 48 Holder CNV7202 49 Arm CNV7203 50 Gear CNV7207 51 Gear CNV7208 52 Gear CNV7209 53 Gear CNV7210 54 Gear CNV7211 55 Gear CNV7212 56 Rack CNV7214 57 Arm CNV7215 58 Arm CNV7216 59 Guide CNV7217 60 Roller CNV7218 61 Gear CNV7219 62 Arm CNV7221...

Page 10: ...01 1 2 BUS BUS BUS L BUS L TX RX IPPW swvdd BU VDD BU CN721 Q751 Q752 TUNER AMP UNIT 16 X601 15 EVST EVCK EVDT TUN L BUS L BUS L CD L 96 DPDT 95 KYDT 21 SYSPW ejectin 8 20 ILMPW S DETACH SENSE 90 dsens A 5 8 1 7 CN101 11 BUZZER 20 15 11 17 16 14 21 IC 101 HA12187FP IP BUS DRIVER 1 2 8 6 5 TX RX IPPW BU Q101 Q102 CDLOEJ 59 CONT 61 DSCSNS 79 XTALEN 63 TUN 3 3V SYS 8 4V VDD 64 VDCONT CLMP TC7SET08FU ...

Page 11: ...TUN L L L DPDT 3 5 DPDT KYDT SYS 8 4V BU Q912 Q913 BU Q301 MUTE RL RL Q351 7 2 11 14 7 2 11 14 CN1950 CN1951 KYDT 4 2 10 8 IC 1902 TSOP4840SB1 REMOTE CONTROL SENSOR OPT IN 3 1 17 RFM 18 20 DPDT KTDT LCD PANEL UNIT MUTE RL S801 DETACH SENSE SYSTEM CONTROLLER 25 B REMOTE FL FL RL RL VDD REGULATOR BACKUP SENSE ACC SENSE SYS 8 4V REGULATOR 14 8 6 5 7 16 11 14 8 6 5 7 16 11 15 15 B C CN981 Q502 BU CN35...

Page 12: ... SW EJECT FM 30 30 0dBs AM 30 30 0dBs IP BUS 2 2dBs CD 0dBs FM 31 0dBs AM 31 0dBs IP BUS 2 2dBs CD 0dBs 3 2 OVERALL CONNECTION DIAGRAM GUIDE PAGE Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a 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 A B A a ...

Page 13: ...made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors 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 FUSE 10A CEK1208 FM 5 9dBs AM 5 9dBs IP BUS 10 3dBs CD 10 1dBs FM 6 66dB...

Page 14: ...14 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES A a A b A a A a A b 1 2 R4721 0R0 R9101 0R0 D CN701 IP BUS IP BUS 2 2dBs CD 0dBs FM 31 0dBs AM 31 0dBs IP BUS 2 2dBs CD 0dBs ...

Page 15: ...15 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES A a A b A a A b A a B 3 4 PE5341C R9403 0R0 B PANEL UNIT C CN1901 FM AM TUNER UNIT DETACH SENSE SW EJECT FM 30 30 0dBs AM 30 30 0dBs ...

Page 16: ...16 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES A a A b A b 1 2 REAR R CH REAR L CH A TUNER AMP UNIT FM 5 9dBs AM 5 9dBs IP BUS 10 3dBs CD 10 1dBs FM 6 66dBs AM 6 66dBs IP BUS 9 54dBs CD 9 34dBs ...

Page 17: ... 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 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 FUSE 10A CEK1208 FM 30dBs AM 20dBs IP ...

Page 18: ...18 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES 3 3 KEYBOARD UNIT C C KEYBOARD UNIT CAW1759 ...

Page 19: ...19 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES C B CN1951 150 CEL1651 SML 310PT x12 CEL1651 150 150 150 ...

Page 20: ...P2550 XM ES D M1 CXB6007 M2 CXB8933 LOADING CARRIAGE MOTOR SPINDLE MOTOR MOTOR DRIVER 3 3V REGULATOR Pickup Unit Service P10 F T F T F T T F F F T T F T S C F F T T S S C C S S C C T T F F F F T T 1 7 8 3 6 5 9 0 3 4 CD MECHANISM MODULE ...

Page 21: ...P SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF The underlined indicates the switch position RF AMP SERVO DSP DAC LPF D CD CORE UNIT S10 A CN F T C S SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE S C T F S C 3 5 4 2 9 CN721 ...

Page 22: ... Spindle waveform during Play Ref REFO Mode Normal RFAGC 500mV div 0 5µs div Ref REFO Mode Normal MDX 5 SIN 500mV div 1V div 5µs div Spindle waveform during Play Magnified RF eye pattern Ref REFO Mode Normal 8 FIN FE 500mV div 500mV div 200ms div Focus Search Ref REFO Mode TEST RFAGC 0 TE 7 TIN 1V div 500mV div 500mV div 500µs div Ref REFO Mode TEST 0 TE RFAGC 500mV div 500mV div 2ms div When Trac...

Page 23: ... AGND Mode Normal 1 DSCSNS 2 CLCONT 3 LOEJ 5V div 5V div 5V div 200ms div Ref GND Mode Normal 1 DSCSNS 2 CLCONT 3 LOEJ 5V div 5V div 5V div 200ms div When Eject 12cm CD When Eject 8cm CD Ref GND Mode Normal RFAGC 0 TE 6 CIN 5 SIN 1V div 1V div 500mV div 2V div 500µs div When reproducing scratch 1mm During inside outside search outer circumference inner circumference Ref REFO Mode Normal RFAGC 0 TE...

Page 24: ... A A TUNER AMP UNIT SIDE B SIDE A NOTE FOR PCB DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic dia gram 2 Viewpoint of PCB diagrams L981 R9101 R4721 IP BUS CORD ASSY D CN701 WIRED REMOTE DETACH SENSE ...

Page 25: ...25 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES A SIDE A IC Q FRONT R9405 R9403 B CN1950 ANTENNA PRE OUT FM AM TUNER UNIT ...

Page 26: ...26 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES A A TUNER AMP UNIT IC Q ...

Page 27: ...27 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES A SIDE B ...

Page 28: ...28 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES B B PANEL UNIT B PANEL UNIT SIDE A SIDE B C CN1901 A CN831 EJECT 4 2 PANEL UNIT ...

Page 29: ...29 C C KEYBOARD UNIT C KEYBOARD UNIT SIDE A SIDE B IC Q IC Q B CN1951 CLK DISP SRC 6 LOUD BAND ESC FUNC PAUSE AUDIO 1 2 3 4 5 EQ 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES 4 3 KEYBOARD UNIT ...

Page 30: ...30 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES 4 4 CD MECHANISM MODULE D D CD CORE UNIT S10 SIDE A A CN PICKUP UNIT SERVICE P10 HOME M1 SPINDLE MOTOR M2 LOADING CARRIAGE MOTOR CN721 ...

Page 31: ...31 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES D D CD CORE UNIT S10 SIDE B CLAMP DSCSNS 8EJ 12EJ ...

Page 32: ...G06G 6415G50 D 911 Diode HZS9L B3 D 921 Diode 1SR154 400 D 922 Diode 1SR154 400 D 923 Diode 1SR154 400 D 931 Diode HZS7L C3 D 932 Diode HZS7L A1 D 981 Diode MPG06G 6415G50 D 982 Diode MPG06G 6415G50 ZNR 401 Arrester DSP 201M L 131 Inductor LCTA2R2J2520 L 401 Ferri Inductor LAU4R7K L 402 Inductor LAU1R0K L 404 Inductor LAU1R0K L 405 Inductor LAU2R2K L 601 Inductor LAU2R2K L 971 Inductor LAU2R2K L 9...

Page 33: ...6S473J R 935 RS1 16S472J R 961 RS1 16S223J R 962 RS1 16S182J R 963 RD1 4PU1R0J R 965 RS1 16S182J R 971 RS1 16S153J R 972 RS1 16S153J R 973 RS1 16S222J R 981 RD1 4PU102J R 4721 RD1 4PU0R0J R 9101 RD1 4PU0R0J R 9403 RD1 4PU0R0J CAPACITORS C 101 CKSRYB104K25 C 131 CEJQ1R0M50 C 132 CEJQ1R0M50 C 133 CKSRYB104K25 C 134 CKSRYB104K25 C 135 CEJQ1R0M50 C 136 CEJQ1R0M50 C 137 CEJQ1R0M50 C 138 CEJQ1R0M50 C 13...

Page 34: ...73J CAPACITORS C 1801 CKSRYB104K16 C 1802 CKSRYB104K16 C 1901 CKSRYB224K10 C 1902 CSZS4R7M16 Unit Number CWM8758 Unit Name Panel Unit MISCELLANEOUS D 1970 LED CL220PGC S 1970 Push Switch EJECT CSG1112 RESISTORS R 1970 RS1 16S101J R 1971 RS1 16S101J R 1972 RS1 16S0R0J CAPACITORS C 1970 CKSRYB104K16 Unit Number CWX2708 Unit Name CD Core Unit S10 MISCELLANEOUS IC 201 IC UPD63712GC IC 301 IC BA5996FP ...

Page 35: ...1505 C 209 CKSRYB104K16 C 210 CKSRYB104K16 C 211 CKSRYB104K16 C 212 CKSRYB104K16 C 213 CKSRYB332K50 C 214 CKSRYB473K25 C 215 CKSRYB104K16 C 216 CKSRYB103K25 C 217 CCSRCH560J50 C 218 CCSRCH5R0C50 C 219 CKSRYB104K16 C 220 CKSRYB104K16 C 221 CKSRYB104K16 C 222 CKSRYB103K25 C 223 CCSRCH680J50 C 224 CCSRCH470J50 C 225 CKSRYB682K50 C 231 CKSRYB102K50 C 232 CKSRYB102K50 C 301 100µF 16V CCH1504 C 302 CCSR...

Page 36: ...ck 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 product or turn off and on the ACC to restore it 2 Test mode This mode is ...

Page 37: ...IN xxSEC xx CRG TR Jump value 5 switching TRK xxMIN xxSEC xx CRG TR Jump 4 TRK xxMIN xxSEC xx CRG TR Jump 4 6 TRK xxMIN xxSEC xx Tracking Open TRK 8xMIN 8xSEC 8x or TRK 9xMIN 9xSEC 9x Tracking Open TRK8x MIN8x SEC8x or TRK9xMIN9xSEC9x Key BAND 6 1 2 3 Power On Off CRG TR Jump Direction of the external surface CRG TR Jump Direction of the internal surface CLS and AGC and Applicable servomechanism A...

Page 38: ...ess key 3 to close focus the display should read 91 Press key 2 to implement the tracking balance adjustment the display should now read 81 Press key 3 The display will change returning to 81 on the fourth press 4 As shown in the diagram above monitor the LPF outputs using the oscilloscope and check that the phase difference is within 75 Refer to the photographs supplied to determine the phase ang...

Page 39: ...39 Grating waveform 45 0 75 60 30 90 Ech Xch 20mV div AC Fch Ych 20mV div AC 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES ...

Page 40: ...puter 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 found Turned over disc are found though rarely CD signal error ...

Page 41: ...ove the CD Mechanism Module Removing the Grille Assy Fig 1 2 Remove the two screws and then remove the Grille Assy 1 1 2 2 CD Mechanism Module Grille Assy 1 2 2 2 3 3 3 4 Tuner Amp Unit 2 Remove the three screws 3 Straight the tabs at three locations indicated 4 Remove the screw and then remove the Tuner Amp Unit 1 1 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES 7 GENERAL INFORMATION 7 1 DIAGNOSIS 7...

Page 42: ...ect the disc Caution Before installing the carriage mechanism in the frames be sure to apply some alcohol to the dampers and set the mechanism to the clamp mode Do not squeeze Lower Frame Damper Carriage Mechanism A C A B B Damper Damper C A A A Upper Frame Removing the Pickup Unit 1 Set the mechanism to the clamp mode 2 Remove the lead wires from the inner holder 3 Remove the two washers styling ...

Page 43: ...9 NC 10 NC 11 B REM 12 NC 13 NC 14 ACC 15 GND 16 BACK UP ANTENNA JACK REAR OUTPUT 1 BUS 2 GND 3 GND 4 NC 5 BUS 6 GND 7 BUS L INPUT 8 ASENB 9 BUS R INPUT 10 BUS R INPUT 11 BUS L INPUT 11 10 9 8 7 6 5 4 3 2 1 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES 7 1 2 CONNECTOR FUNCTION DESCRIPTION ...

Page 44: ...tput 29 31 NC Not used 32 tunpce O PLL chip enable output2 33 VST O E VOL Strobe output 34 VCK O E VOL Clock output 35 VDT O E VOL Data output 36 ANTPW O Antenna power output 37 MUTE O C System mute output 38 39 NC Not used 40 VSS GND 41 VDD Power supply 42 RDS57K I 57kHz count pulse input 43 drst O C RDS Decoder reset output 44 rdslk I C RDS Decoder clock input 45 RDT O C RDS Decoder data input 4...

Page 45: ...e input 89 rck I RDS Clock input 90 dsens I Grille detach sense input 91 PACK I PACK input 92 asens I ACC power sense input 93 bsens I Back up power sense input 94 TUNPDI I PLL IC data input 95 KYDT I Grille data input 96 DPDT O C Grille data output 97 TUNPCK O PLL clock output 98 TUNPDO O C PLL data output 99 TUNPCE O C PLL chip enable output 100 PEE O C Beep tone output PE5341C 30 31 50 51 80 81...

Page 46: ...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 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES PAL007A ...

Page 47: ... 17 REM I Remote control reception input 18 DPDT I Display data input 19 NC Not used 20 KYDT O Key data output 21 MODA GND 22 X0 Crystal oscillator connection pin 23 X1 Crystal oscillator connection pin 24 VSS GND 25 26 KDT2 3 I Key data input 27 NC Not used 28 KST4 O Key strobe output 29 32 NC Not used 33 55 SEG35 13 O LCD segment output 56 VDD Power supply 57 64 SEG12 5 O LCD segment output PD63...

Page 48: ... C1D2 O Information on error correction 29 C2D1 O Information on error correction 30 C2D2 O Information on error correction 31 C2D3 O Information on error correction 32 LOCK O Output of LOCK 33 MIRR O MIRR signal 34 HOLD O HOLD signal 35 PLCK O Output of PLCK 36 C16M O Output of 16 9344MHz 37 DGND Ground for digital circuits 38 TX O DAI output 39 EMPH O Pre emphasis information output 40 FLAG O Th...

Page 49: ...itor for detecting 3T 81 AGND Ground for the analog system 82 A I Input of A 83 C I Input of C 84 B I Input of B 85 D I Input of D 86 F I Input of F 87 E I Input of E 88 VREFIN I Photo detector input bias voltage 89 AVDD Power supply for the analog system 90 REFOUT O Output of reference voltage 91 REFC Connected to the capacitor for output of REFOUT 92 FE I Reversal input of FE 93 FEO O Output of ...

Page 50: ...t 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 Power stage 20 GND Ground pin 21 CNT Control pin 22 LDIN Loading input 23 OPOUTSL Output pin for preamplifier for thread ...

Page 51: ...ot 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 Not used 20 ...

Page 52: ...EG30 SEG29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 SEG0 COM3 COMMON SEGMENT COM2 COM1 COM0 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES 7 2 2 DISPLAY LCD CAW1759 ...

Page 53: ...eed to each source operation SYSPW H Pin 21 Starts communication with Grille microcomputer Source ON 300ms 300ms In case of the above signal the communication with Grille microcomputer may fail If the time interval is not 300msec the oscillator may be defective CSENS Pin 77 2V CSENS 3V CSENS 2V 3V CSENS Last source returns CD loading functions are available Keys except for EJECT key are not availa...

Page 54: ...P2550 XM ES Before shipping out the product be sure to clean the following portions by using the prescribed cleaning tools Portions to be cleaned Cleaning tools CD pickup lenses Cleaning liquid GEM1004 Cleaning paper GED 008 7 4 CLEANING ...

Page 55: ...55 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES 8 OPERATIONS ...

Page 56: ...56 1 2 3 4 1 2 3 4 F E D C B A DEH P2550 XM ES ...

Page 57: ...57 5 6 7 8 F E D C B A 5 6 7 8 DEH P2550 XM ES ...

Page 58: ...ront Panel Function use the supplied fixing screws and fix the front panel to this unit 1 Attach the holders to both sides of the front panel 2 Replace the front panel to the unit 3 Flip the holders into upright positions 4 Fix the front panel to the unit using fixing screws Fixing screw Holder CXX1644 CXX1646 Holder CXX1645 ...

Page 59: ...plfier 28 With a 2 speaker system do not connect anything to the speaker leads that are not connected to speakers 22 Rear speaker 22 Rear speaker 15 Front speaker 27 Rear speaker 27 Rear speaker 12 Power amp sold separately 1 This Product 4 IP BUS input Blue 3 Antenna jack 2 Rear output 5 Multi CD player sold separately 6 IP BUS cable 9 Black ground To vehicle metal body 8 Red To electric terminal...

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