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Pioneer DEH-1550 XU, Service Manual

The Pioneer DEH-1550 XU is a high-quality car stereo that offers an impressive range of features. To fully leverage its capabilities, make sure to download the comprehensive Operation Manual for free from manualshive.com. This manual provides detailed instructions and ensures easy and seamless use of this exceptional product.

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34

1

2

3

4

1

2

3

4

F

E

D

C

B

A

DEH-1550/XU/ES

D

701

Diode

1SR154-400

X

201

Ceramic Resonator 16.934MHz

CSS1603

S

901

Spring Switch(HOME)

CSN1051

S

902

Spring Switch(CLAMP)

CSN1051

S

903

Spring Switch(DSCSNS)

CSN1052

S

904

Spring Switch(12EJ)

CSN1051

S

905

Spring Switch(8EJ)

CSN1051

RESISTORS

R

101

RS1/10S1R5J

R

102

RS1/10S1R5J

R

103

RS1/10S1R5J

R

104

RS1/10S1R5J

R

105

RS1/10S1R5J

R

201

RS1/16S102J

R

202

RS1/16S1002D

R

203

RS1/16S1002D

R

204

RS1/16S1002D

R

205

RS1/16S1002D

R

206

RS1/16S1002D

R

207

RS1/16S1002D

R

208

RS1/16S1002D

R

209

RS1/16S1002D

R

214

RS1/16S103J

R

215

RS1/16S393J

R

216

RS1/16S122J

R

217

RS1/16S562J

R

218

RS1/16S472J

R

234

RS1/16S0R0J

R

235

RS1/16S103J

R

236

RS1/16S103J

R

301

RS1/16S183J

R

302

RS1/16S822J

R

303

RS1/16S183J

R

304

RS1/16S822J

R

305

RS1/16S183J

R

306

RS1/16S183J

R

307

RS1/16S183J

R

308

RS1/16S183J

R

501

RS1/16S102J

R

503

RS1/16S102J

R

505

RS1/16S102J

R

506

RS1/16S221J

R

507

RS1/16S221J

R

508

RS1/16S221J

R

509

RS1/16S221J

R

601

RS1/16S101J

R

602

RS1/16S101J

R

603

RS1/16S0R0J

R

901

RS1/16S104J

R

902

RS1/16S473J

R

903

RS1/16S273J

CAPACITORS

C

101

CKSRYB104K16

C

102

CKSRYB104K16

C

103

100µF/16V

CCH1504

C

104

47µF/6.3V

CCH1506

C

106

CCSRCH101J50

C

108

CKSRYB224K16

C

109

CKSRYB224K16

C

201

CKSRYB104K16

C

202

CKSRYB471K50

C

203

CKSRYB104K16

C

205

22µF/6.3V

CCH1507

C

206

CKSRYB103K25

C

207

CKSRYB104K16

C

208

100µF/6.3V

CCH1505

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

CCSRCH221J50

C

303

CCSRCH221J50

C

304

CKSRYB472K50

C

305

CKSRYB103K25

C

306

CKSRYB104K16

C

501

CKSRYB103K25

C

502

CKSRYB103K25

C

702

100µF/16V

CCH1504

C

703

CKSRYB224K16

C

704

CKSRYB104K16

C

705

10µF/6.3V

CCH1470

Miscellaneous Parts List

Pickup Unit(Service)(P10)

CXX1641

M

1

Motor Unit(SPINDLE)

CXB6007

M

2

Motor Unit(LOADING/CARRIAGE)

CXB8933

=====Circuit Symbol and No.===Part Name

Part No.

---

------

------------------------------------------

-------------------------

=====Circuit Symbol and No.===Part Name

Part No.

---

------

------------------------------------------

-------------------------

Summary of Contents for DEH-1550 XU

Page 1: ...ndra Road 04 01 Singapore 159936 C PIONEER CORPORATION 2002 K ZZU NOV 2002 Printed in Japan ORDER NO CRT2970 HIGH POWER CD PLAYER WITH FM AM TUNER DEH 1550XU ES Service Manual DEH 1550 XU 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 Disassembly DEH 1550BXU ES ...

Page 2: ...e 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 ...

Page 3: ...owever grating of the pickup unit can be confirmed CONTENTS SAFETY INFORMATION 2 1 SPECIFICATIONS 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 KE...

Page 4: ...1 SPECIFICATIONS 4 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES ...

Page 5: ... CXB3520 17 Accessory Assy CEA3439 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 instructions in this manual In the case of no amount instructi...

Page 6: ...6 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES 2 2 EXTERIOR ...

Page 7: ...50B CXB9574 32 Screw BPZ20P100FZK 33 Button 1 6 CAC7739 34 Button Volume CAC7740 35 Button Up CAC7741 36 Button Down CAC7742 37 Button Eject CAC7743 38 Button Band CAC7745 39 Button Audio CAC7746 40 Button SRC EQ CAC7749 41 Button Detach CAC7753 42 Spring CBH2210 43 Cover CNS7232 44 Keyboard Unit DEH 1550 CWM8578 Keyboard Unit DEH 1550B CWM8579 45 LCD LCD1801 DEH 1550 CAW1733 LCD LCD1801 DEH 1550B...

Page 8: ...8 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES C 2 3 CD MECHANISM MODULE ...

Page 9: ... 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: ...6FP IC 201 UPD63712GC IC 701 NJM2391DL1 33 3 3V REGULATOR SERVO CONTROL DSP LPF DAC ACT MOTOR DRIVER 1 2 VD VD 3R3V 7 CONT 11 CLMP CLAMSW 5 LOEJ 6 DSCSNS DSCSNS 8 21 20 15 11 17 16 14 LOUT LOUT TOP FOP 16 SOP 15 SOM 17 LCOM 18 LCOP 22 1 LOEJ 23 20 LOUT XTAL xtal 24 9 CONT 12 FOP FD TD SD MD AC F E BD 1 LD 2 PD 42 LIMIT 3 13 TOP D CD CORE UNIT S10 C CLAMSW VDD CE2 CE1 VDD IC652 TC7SET08FU 16 XSI 1 ...

Page 11: ...8 DPDT 9 RESET 60 SWVDD 21 Frontout_L 10 Rearout_L 11 POWER AMP IC 302 PAL007A 14 12 22 4 5 3 21 23 FL MUTE STBY 25 RL B U bsens asens Q931 Q452 MUTE KEYBOARD UNIT CN1801 CN831 LCD 20 18 Q801 RESET IC 603 S 80834ANY VDD 1 2 SYSPW 11 B REM FUSE 10A 29 28 27 65 41 VDCONT DSCSNS LOEJ CONT VST VCK VDT VDD VDD VLCD 56 10 CN901 Q 352 CN352 REAR L CH Q453 BACK UP FL FL RL RL B REM ACC GND B KYDT DPDT SW5...

Page 12: ...gram Guide page Detailed page Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A B CN1801 C CN701 FM AM TUNER UNIT 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES 3 2 OVERALL CONNECTION DIAGRAM GUIDE PAGE ...

Page 13: ...FL RL FL RL GND REAR L CH REAR R CH Decimal points for resistor and capacitor fixed values are expressed as 2 2 2R2 0 022 R022 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 A TUNER AMP UNIT 600µH 5 6 7 8 F E D C B A 5 6 7 8 DEH 1550 XU ...

Page 14: ...14 a C CN701 FM AM TUNER UNIT 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES ...

Page 15: ...15 A a A b A a A a B CN1801 5 6 7 8 F E D C B A 5 6 7 8 DEH 1550 XU ES ...

Page 16: ...16 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES A a A b A b CEK1136 10A GND 600µH REAR L CH REAR R CH A TUNER AMP UNIT 1 2 3 ...

Page 17: ...nation RR RR FR FR FL RL FL RL Decimal points for resistor and capacitor fixed values are expressed as 2 2 2R2 0 022 R022 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 4 5 5 6 7 8 F E D C B A 5 6 7 8 DEH 1550 XU ES ...

Page 18: ...18 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES 3 3 KEYBOARD UNIT B ...

Page 19: ...5 6 7 8 F E D C B A 5 6 7 8 DEH 1550 XU ES 19 B CLOCK LOUD LOC BSM EQ B KEYBOARD UNIT A CN831 40mA 14V ...

Page 20: ... 1550 XU ES 3 4 CD MECHANISM MODULE C 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 ...

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 C CD CORE UNIT S10 A CN651 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 6 5 4 2 9 ...

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: ... P C Board Chip Part 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 C CN701 CORD ASSY B CN1801 ...

Page 25: ...5 6 7 8 F E D C B A 5 6 7 8 DEH 1550 XU ES 25 A SIDE A FRONT ANTENNA FM AM TUNER UNIT ...

Page 26: ...26 A A TUNER AMP UNIT 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES ...

Page 27: ...A SIDE B 5 6 7 8 F E D C B A 5 6 7 8 DEH 1550 XU ES 27 ...

Page 28: ...28 B B KEYBOARD UNIT B KEYBOARD UNIT SIDE A SIDE B A CN831 CLOCK EQ EQ VOL VOL VOL VOL SRC 1 2 3 4 5 6 LOC BSM LOUD BAND EJECT EJECT AUDIO 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES 4 2 KEYBOARD UNIT ...

Page 29: ...5 6 7 8 F E D C B A 5 6 7 8 DEH 1550 XU ES 29 ...

Page 30: ...30 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES 4 3 CD MECHANISM MODULE C C CD CORE UNIT S10 SIDE A A CN651 PICKUP UNIT SERVICE P10 HOME M1 SPINDLE MOTOR M2 LOADING CARRIAGE MOTOR ...

Page 31: ...5 6 7 8 F E D C B A 5 6 7 8 DEH 1550 XU ES 31 C C CD CORE UNIT S10 SIDE B CLAMP DSCSNS 8EJ 12EJ ...

Page 32: ... HZS7L C3 D 932 Diode HZS7L A1 D 971 Diode S5688G D 972 Diode S5688G D 991 Diode HZS9L B1 L 151 Inductor LAU2R2K L 401 Inductor LAU1R0K L 402 Inductor LAU1R0K L 404 Ferri Inductor LAU4R7K L 601 Inductor LAU1R0K L 801 Inductor LAU2R2K L 901 Choke Coil 600µH CTH1280 X 601 Radiator 12 58291MHz CSS1402 AR 401 Arrester DSP 201M FM AM Tuner Unit CWE1646 RESISTORS R 153 RS1 16S101J R 154 RS1 16S101J R 15...

Page 33: ... CKSRYB103K50 C 961 CKSRYB473K50 C 963 CEJQ100M16 C 981 CKSRYB334K10 C 982 CKSRYB103K50 C 983 CEJQ220M16 C 991 CKSRYB473K50 C 992 CEJQ101M10 Unit Number CWM8578 DEH 1550 CWM8579 DEH 1550B Unit Name Keyboard Unit MISCELLANEOUS IC 1801 IC PD6340A D 1801 Diode MA152WK D 1802 Diode MA152WA D1803 10 LED DEH 1550 SML 310PT D1803 10 LED DEH 1550B SML 310VT D 1811 LED NSSW440 9159 D 1812 LED NSSW440 9159 ...

Page 34: ... 16S101J R 603 RS1 16S0R0J R 901 RS1 16S104J R 902 RS1 16S473J R 903 RS1 16S273J CAPACITORS C 101 CKSRYB104K16 C 102 CKSRYB104K16 C 103 100µF 16V CCH1504 C 104 47µF 6 3V CCH1506 C 106 CCSRCH101J50 C 108 CKSRYB224K16 C 109 CKSRYB224K16 C 201 CKSRYB104K16 C 202 CKSRYB471K50 C 203 CKSRYB104K16 C 205 22µF 6 3V CCH1507 C 206 CKSRYB103K25 C 207 CKSRYB104K16 C 208 100µF 6 3V CCH1505 C 209 CKSRYB104K16 C ...

Page 35: ...for adjustment be sure to turn off the regulator For stable circuit operation keep the mechanism operating for about one minute or more after the regulator is turned on In the test mode any software 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 t...

Page 36: ...illoscope Two L P F E F REFO1 Disc ABEX TCD 782 Mode TEST MODE Checking Procedure 1 While pressing the 4 and 6 keys at the same time reset 2 The display will change returning to 81 on the fourth press 3 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 angle 4 If the...

Page 37: ...37 5 6 7 8 F E D C B A 5 6 7 8 DEH 1550 XU ES Grating waveform 45 0 75 60 30 90 Ech Xch 20mV div AC Fch Ych 20mV div AC ...

Page 38: ...hanism 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 found Turned over di...

Page 39: ...ove the screw 1 Remove the Case Removing the Case not shown Disconnect the connector and then remove the CD Mechanism Module Removing the Grille Assy Fig 1 2 Release the two latches 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 T...

Page 40: ... See the figure below 2 After that bend the crows 7 in total until they get the right angles with the marks printed on 8 Note If 5 is not set collectly defective contact may occur on 6 To avoid this problem hold 5 using 7 just before putting 8 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES ...

Page 41: ...talling the carriage mechanism in the frames be sure to apply some alcohol to the dampers and set the mechanism to the clamp mode Removing the Guide Arm Assy 1 Remove the upper and lower frames and set the mechanism to the clamp mode 2 Remove the two springs 3 Remove the two screws and bevel gear bracket Note that the gears come off 4 Slide the guide arm Assy in the direction marked with the arrow...

Page 42: ...o protect the switches from any damage Removing the Roller Arm Assy 1 Remove the guide arm Assy and set the mechanism to the eject mode 2 Remove the CD core unit S10 You do not have to remove the solder from the four leads 3 Remove the spring and E shaped ring from the fulcrum shaft 4 Slide the roller arm Assy in the direction marked with an arrow Bevel Gear Bracket Solder Shorting Solder CD Core ...

Page 43: ...ge arm and pickup lock arm 4 While releasing from the hook of the inner holder lift the end of the feed screw Caution In assembling move the planet gear to the load eject position before setting the feed screw in the inner holder Planet Gear Change Arm Inner Holder Styling Holder Feed Screw Washer Pickup Lock Arm 5 6 7 8 F E D C B A 5 6 7 8 DEH 1550 XU ES ...

Page 44: ... E D C B A DEH 1550 XU ES 7 1 2 CONNECTOR FUNCTION DESCRIPTION 1 0 A Pin No 1 2 3 4 5 6 7 8 FR RR FR RR FL RL FL RL Pin No 9 10 11 12 13 14 15 16 B REMOTE ACC GND B UP 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 ANTENNA PRE OUT ...

Page 45: ... switch output CD Servo driver power supply control output CD load motor LOAD EJECT direction exchange output Driver input select output Not used Stand by output GND Telephone mute output Not used Not used VD control output Not used System power supply control output Not used Beep tone output Key data input Remote control Not used System mute output Antenna output Not used Strobe pulse output for ...

Page 46: ...ense input Back up sense input Grille detach sense input ATAPI HOST interrupt request input GND Power supply Crystal oscillator connection pin Crystal oscillator connection pin Connect to GND Not used Connect to GND Power supply Positive power supply terminal for analog circuit SD level input from tuner Not used VD power supply voltage sense input CD DISC sense input Key data Remote control 1 2 3 ...

Page 47: ...Key data input analogue input 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 SEG1...

Page 48: ...7 C1D1 O Information on error correction 28 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 P...

Page 49: ... Analog tests 80 C3T Connection to the capacitor 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 F...

Page 50: ...ower 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 Power stage 20 GND Ground pin 21 CNT Control pin 22 LDIN Loading input 23 OPOU...

Page 51: ... I data in Data input 11 NC non 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 connectio...

Page 52: ...E D C B A DEH 1550 XU ES COMMON SEGMENT LCD CAW1733 CAW1734 COM3 COM2 COM1 COM0 0 COM3 COM2 COM1 COM0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 7 2 2 DISPLAY ...

Page 53: ...65 ADPW H Pin 10 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 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 ...

Page 54: ...1550 XU ES 7 4 CLEANING 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 ...

Page 55: ...55 5 6 7 8 F E D C B A 5 6 7 8 DEH 1550 XU ES 8 OPERATIONS ...

Page 56: ...56 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES 56 ...

Page 57: ...57 5 6 7 8 F E D C B A 5 6 7 8 DEH 1550 XU ES ...

Page 58: ...58 1 2 3 4 1 2 3 4 F E D C B A DEH 1550 XU ES About the fixing screws for the front panel CXX1066 CXX1066 ...

Page 59: ...12 Rear speaker 13 8 System remote control 5 Connecting cords with RCA pin plugs sold separately 7 Power amp sold separately 4 Fuse 6 Blue white To system control terminal of the power amp or Auto antenna relay control terminal max 300 mA 12 V DC 1 This Product 2 Rear output 3 Antenna jack 9 Yellow To terminal always supplied with power regardless of ignition switch position 10 Red To electric ter...

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