Pioneer DEH-20UB Service Manual Download Page 71

Page: 71 / 73

DEH-20UB/XS/UC

C 917

(B,27,78)

CKSRYB104K16

C 991

(B,10,109)

CKSRYB473K25

C 992

(A,12,97)

CEJQ101M10

Unit Number : (A)(C)
Unit Name

: Keyboard Unit

MISCELLANEOUS

IC 1801

(B,100,20) IC

PD6340A

IC 1802

(A,139,8) Remote IC

GP1UXC14RK

D 1801

(B,103,6) Diode

MC2848-11

D 1802

(B,100,6) Diode

MC2846-11

D 1803

(B,135,20) Varistor

EZJZ1V270RM

D 1804

(B,128,18) Varistor

EZJZ1V270RM

D 1805

(B,138,20) Varistor

EZJZ1V270RM

D 1806

(B,139,26) Diode

MALS068X

D 1807

(B,141,27) Diode

MALS068X

D 1823

(A,139,22) White LED

NESW505C-5273

D 1824

(A,6,13) LED

CL-195SR-CD

D 1825

(A,5,30) LED

CL-195SR-CD

D 1826

(A,15,28) LED

CL-195SR-CD

D 1827

(A,39,5) LED

CL-195SR-CD

D 1828

(A,24,19) LED

CL-195SR-CD

D 1829

(A,16,13) LED

CL-195SR-CD

D 1830

(A,37,33) LED

CL-195SR-CD

D 1831

(A,52,18) LED

CL-195SR-CD

D 1832

(A,54,33) LED

CL-195SR-CD

D 1834

(A,91,8) LED

CL-195SR-CD

D 1835

(A,79,8) LED

CL-195SR-CD

D 1836

(A,68,8) LED

CL-195SR-CD

D 1837

(A,103,8) LED

CL-195SR-CD

D 1838

(A,115,8) LED

CL-195SR-CD

D 1839

(A,127,8) LED

CL-195SR-CD

D 1840

(A,146,41) LED

CL-195SR-CD

L 1801

(B,137,26) Inductor

CTF1713

X 1801

(B,92,8) Ceramic Resonator 5.00 MHzCSS1731

S 1833

(A,38,19) Rotary Switch

CSD1153

LCD1801

(A,133,32) LCD

CAW1970

RESISTORS

R 1802

(B,127,7)

RS1/16S2R2J

R 1803

(B,111,10)

RS1/16S103J

R 1804

(B,121,19)

RS1/16S101J

R 1806

(B,133,19)

RS1/16S101J

R 1807

(B,134,14)

RS1/16S101J

R 1809

(B,57,28)

RS1/16S473J

R 1810

(B,138,23)

RS1/4SA821J

R 1811

(B,13,20)

RS1/4SA821J

R 1812

(B,13,14)

RS1/4SA821J

R 1813

(B,16,30)

RS1/4SA821J

R 1814

(B,73,18)

RS1/4SA821J

R 1815

(B,123,8)

RS1/4SA681J

R 1828

(B,87,6)

RS1/16S222J

R 1829

(B,87,9)

RS1/16S222J

R 1839

(B,21,16)

RS1/16S0R0J

CAPACITORS

C 1801

(B,111,8)

CKSYF106Z10

Circuit Symbol and No.

Part No.

C 1802

(B,119,19)

CKSRYB105K10

C 1803

(B,130,18)

CKSRYB472K50

C 1804

(B,133,17)

CKSRYB472K50

C 1805

(B,136,20)

CKSRYB472K50

C 1806

(B,139,20)

CKSRYB472K50

C 1807

(B,126,19)

CKSRYB472K50

Unit Number : (B)(D)
Unit Name

: Keyboard Unit

MISCELLANEOUS

IC 1801

(B,100,20) IC

PD6340A

IC 1802

(A,139,8) Remote IC

GP1UXC14RK

D 1801

(B,103,6) Diode

MC2848-11

D 1802

(B,100,6) Diode

MC2846-11

D 1803

(B,135,20) Varistor

EZJZ1V270RM

D 1804

(B,128,18) Varistor

EZJZ1V270RM

D 1805

(B,138,20) Varistor

EZJZ1V270RM

D 1806

(B,139,26) Diode

MALS068X

D 1807

(B,141,27) Diode

MALS068X

D 1823

(A,139,22) White LED

NESW505C-5273

D 1824

(A,6,13) LED

CL-195PG-CD

D 1825

(A,5,30) LED

CL-195PG-CD

D 1826

(A,15,28) LED

CL-195PG-CD

D 1827

(A,39,5) LED

CL-195PG-CD

D 1828

(A,24,19) LED

CL-195PG-CD

D 1829

(A,16,13) LED

CL-195PG-CD

D 1830

(A,37,33) LED

CL-195PG-CD

D 1831

(A,52,18) LED

CL-195PG-CD

D 1832

(A,54,33) LED

CL-195PG-CD

D 1834

(A,91,8) LED

CL-195PG-CD

D 1835

(A,79,8) LED

CL-195PG-CD

D 1836

(A,68,8) LED

CL-195PG-CD

D 1837

(A,103,8) LED

CL-195PG-CD

D 1838

(A,115,8) LED

CL-195PG-CD

D 1839

(A,127,8) LED

CL-195PG-CD

D 1840

(A,146,41) LED

CL-195PG-CD

L 1801

(B,137,26) Inductor

CTF1713

X 1801

(B,92,8) Ceramic Resonator 5.00 MHzCSS1731

S 1833

(A,38,19) Rotary Switch

CSD1153

LCD1801

(A,133,32) LCD

CAW1970

RESISTORS

R 1802

(B,127,7)

RS1/16S2R2J

R 1803

(B,111,10)

RS1/16S103J

R 1804

(B,121,19)

RS1/16S101J

R 1806

(B,133,19)

RS1/16S101J

R 1807

(B,134,14)

RS1/16S101J

R 1809

(B,57,28)

RS1/16S473J

R 1810

(B,138,23)

RS1/4SA821J

R 1811

(B,13,20)

RS1/4SA561J

R 1812

(B,13,14)

RS1/4SA561J

R 1813

(B,16,30)

RS1/4SA561J

R 1814

(B,73,18)

RS1/4SA561J

R 1815

(B,123,8)

RS1/4SA391J

R 1828

(B,87,6)

RS1/16S222J

R 1829

(B,87,9)

RS1/16S222J

R 1839

(B,21,16)

RS1/16S0R0J

Circuit Symbol and No.

Part No.

Summary of Contents for DEH-20UB

Page 1: ...dra Road 04 01 Singapore 159936 PIONEER CORPORATION 2008 DEH 20UB XS UC CRT4228 CD RECEIVER DEH 20UB XS UC DEH 2150UBG XS ES DEH 2150UB XS ES DEH 2150UB XU CN5 This service manual should be used together with the following manual s Model No Order No Mech Module Remarks CX 3240 CRT4050 S10 5COMP2 iPod USB CD Mech Module Circuit Descriptions Mech Descriptions Disassembly For details refer to Importa...

Page 2: ...S OR PERFORMANCE OF PROCEDURES OTHERTHANTHOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE WARNING The AEL accessible emission level of the laser power output is less than CLASS 1 but the laser component is capable of emitting radiation exceeding the limit for CLASS 1 A specially instructed person should do servicing operation of the apparatus Laser diode characteristics Wave length...

Page 3: ...de 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: ...FLOWCHART 21 5 2 ERROR CODE LIST 22 5 3 CONNECTOR FUNCTION DESCRIPTION 24 6 SERVICE MODE 25 6 1 DISPLAY TEST MODE 25 6 2 CD TEST MODE 26 7 DISASSEMBLY 27 8 EACH SETTING AND ADJUSTMENT 30 8 1 CD ADJUSTMENT 30 8 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 31 9 EXPLODED VIEWS AND PARTS LIST 34 9 1 PACKING 34 9 2 EXTERIOR 1 36 9 3 EXTERIOR 2 38 9 4 CD MECHANISM MODULE 40 10 SCHEMATIC DIAGRAM...

Page 5: ...amaged by electrostatic induction For environmental protection lead free solder is used on the printed circuit boards mounted in this unit Be sure to use lead free solder and a soldering iron that can meet specifications for use with lead free solders for repairs accompanied by reworking of soldering Compared with conventional eutectic solders lead free solders have higher melting points by approx...

Page 6: ...mber of channels 2 stereo MP3 decoding format MPEG 1 2 Audio Layer 3 WMA decoding format Ver 7 7 1 8 9 10 11 2ch audio Windows Media Player WAV signal format Linear PCM MS ADPCM Non compressed USB Specification USB 2 0 full speed Supply current 500 mA Maximum amount of memory 250 GB Minimum amount of memory 256 MB USB Class MSC Mass Storage Class File system FAT16 FAT32 MP3 decoding format MPEG 1 ...

Page 7: ...WMA decoding format Ver 7 7 1 8 9 10 11 2ch audio Windows Media Player WAV signal format Linear PCM MS ADPCM Non compressed USB Specification USB 2 0full speed Supply current 500 mA Maximum amount of memory 250 GB Minimum amount of memory 256 MB USB Class MSC Mass Storage Class File system FAT16 FAT32 MP3 decoding format MPEG 1 2 Audio Layer 3 WMA decoding format Ver 7 7 1 8 9 10 11 2ch audio Wind...

Page 8: ...DEH 20UB XS UC 8 1 2 3 4 1 2 3 4 C D F A B E DEH 2150UB XU CN5 ...

Page 9: ...DEH 20UB XS UC 9 5 6 7 8 5 6 7 8 C D F A B E 2 2 DISC CONTENT FORMAT ...

Page 10: ...on Press to remove the front panel from the head unit 9 AUX input jack 3 5 mm stereo jack Use to connect an auxiliary device a 1 to 6 buttons Press for preset tuning Also used for con trolling functions 1 S Rtrvcan be used to controlS RTRV sound retriever 2 PAUSEcan be used to controlPAUSE pause 5 can be used to controlRANDOM random 6 can be used to controlREPEAT re peat b buttons Press to perform...

Page 11: ...e f MUTE button Press to turn off the sound To turn on the sound press again g AUDIO button Press to select an audio function h button Press to turn pause on or off i FUNCTION button Press to select functions Press and hold to recall the initial setting menu when the sources are off j LIST ENTER button Press to display the disc title list track title list folder list or file list depending on the ...

Page 12: ... indicator Appears when loudness is on a stereo indicator Appears when the selected frequency is being broadcast in stereo b repeat indicator Shows when track repeat is turned on Also shows when folder repeat is on c random indicator Shows when random play is on d Sound Retriever indicator Appears when Sound Retriever function is on Fastening the front panel If you do not plan to detach the front ...

Page 13: ...Connect to a clean paint free metal locatio n Power amp sold separately System remote control Left Right Perform these connections when using the optional amplifier r e k a e p s r a e R r e k a e p s r a e R White black Violet black Violet With a 2 speaker system do not connect anything to the speaker leads that are not connected to speakers r e k a e p s t n o r F r e k a e p s t n o r F White G...

Page 14: ... operations must be normal 2 CD Play back a CD Track search No malfunction on display audio and operation 3 FM AM tuner Check FM AM tuner action Seek Preset Switch band to check both FM and AM Display audio and operations must be normal 4 Check whether no disc is inside the product The media used for the operating check must be ejected r e t f a e c n a r a e p p a s t i n o t r i d r o s e h c t ...

Page 15: ...SB C3 C Tuner Amp Unit A DEH 20UB XS UC B DEH 2150UB XS ES C DEH 2150UBG XS ES D DEH 2150UB XU CN5 Unit Number YWM5319 A Unit Number YWM5322 B Unit Number YWM5318 C Unit Number YWM5400 D Unit Name Tuner Amp Unit Unit Number Unit Name Keyboard Unit Unit Number CWX3679 Unit Name CD Core Unit S10 5COMP2 USB C3 ...

Page 16: ...Two pieces Name Jig No Remarks Grease List Name Grease Grease Grease No GEM1024 GEM1045 Remarks CD Mechanism Module CD Mechanism Module Name Grease No Remarks 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 17: ...DEH 20UB XS UC 17 5 6 7 8 5 6 7 8 C D F A B E ...

Page 18: ... 5 DM DP 2 1 X205 48MHz USBXTAL USBXTAL VDD2 Q102 39 PUEN VCC VDD2 IN2_L IN1_L 2 IC PM ELECTRON SOURCE TUNL 1 CN401 1 2 CN651 TUNER AMP UNIT VCK VDT VST LOUT A SYS B ANTENNA IFA IFB 7 VDD3V 11 SWVDD3V SW5V 6 5 BSENS SYSPW PWROFF 2 1 36 47 15 SWVDD 4 1 BRST BRXEN BSRQ BDATA BSCK CDRST 12 4 3 RESET 16 FM AM TUNER UNIT ANT SL IN REFA REFB LDET SWVDD3V DI CK CE1 DO CE2 SLOUT SL IN IFA IFB REFA REFB LD...

Page 19: ...30 KEYD B UP WIRED REMOTE RCA OUT POWER CONNECTOR L_OUT 59 CD Lch B UP F IC601 2 2 PN5025B SYSTEM MICRO COMPUTER 4 STBY B UP 3 SW5V 14 USB5V USBZ USBF AUX G 6 AUX L 7 AUX L 4 AUX G 5 IN4 _L IN4 _L ILMPW DREG 85 SYNC USBCTL FLG 25 5 28 27 VDD3V PLL_VDD DVDD3 M REGC 55 9 57 DVDD2 94 DVDD4 121 DEH 20UB XS UC DEH 2150UB XS ES DEH 2150UBG XS ES DEH 2150UB XU CN5 MUTE B UP VDCONT 126 A B C D B C D DSEN ...

Page 20: ...DEH 20UB XS UC 20 1 2 3 4 1 2 3 4 C D F A B E SEGMENT COMMON LCD CAW1970 ...

Page 21: ...ication with Grille microcomputer SWVDD H Pin 1 Source keys operative Source ON SYSPW H Pin 15 300 ms 300 ms Completes power on operation After that proceed to each source operation 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 Power ON ASENS L ...

Page 22: ...ch 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 fo...

Page 23: ...DEH 20UB XS UC 23 5 6 7 8 5 6 7 8 C D F A B E ...

Page 24: ... 4 C D F A B E 5 3 CONNECTOR FUNCTION DESCRIPTION REAR OUTPUT ANTENNA 16 FR 15 RR 14 FR 13 RR 12 FL 11 RL 10 FL 9 RL 8 MUTE 7 NC 6 B REM 5 NC 4 A ANT 3 ACC 2 GND 1 B UP 16 14 12 10 8 6 4 2 15 13 11 9 7 5 3 1 WIRED REMOTE CONTROL 2150 ...

Page 25: ...2 To exit from the test mode Turn off the ACC and Backup 3 Operation method Change display as follows by pressing the 1 and the 3 buttons together System version display ROM Correction version display Normal display Display stop All lighting of display All lights out of display LCD check mode 1 LCD check mode 2 LCD check mode 3 LCD check mode 1 LCD check mode 2 LCD check mode 3 ...

Page 26: ... Open 3 F Close 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 30 Counts Start BER display data 6 F Mode switching Tracking Close CRG TR Jump Switching As for the double speed 2x audio output cannot be supported After the Eject key is pressed keys other than the Eject key should not be pre...

Page 27: ...e Case Remove the two screws Remove the three screws Remove the two screws Straighten the tabs at two locations indicated and then remove the Tuner Amp Unit 1 1 2 1 2 2 2 2 2 3 3 2 4 4 Disconnect the connector and then remove the CD Mechanism Module Tuner Amp Unit 1 Release the two latches and then remove the Panel Assy Remove the four screws Removing the Case not shown Panel Assy 1 2 ...

Page 28: ...he 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 p...

Page 29: ...up Lock Arm Feed Screw Inner Holder Planet Gear 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 30: ... 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 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 r...

Page 31: ... 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 oscilloscope and check th...

Page 32: ...DEH 20UB XS UC 32 1 2 3 4 1 2 3 4 C D F A B E Grating waveform 45 degrees 0 degrees 75 degrees 60 degrees 30 degrees 90 degrees Ech Xch 20 mV div AC Fch Ych 20 mV div AC ...

Page 33: ...DEH 20UB XS UC 33 5 6 7 8 5 6 7 8 C D F A B E ...

Page 34: ...refore 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 DEH 20UB XS UC DEH 20UB XS UC DEH 2150UBG XS ES DEH 2150UB XS ES DEH 2150UB XU CN5 DEH 2150UBG XS ES DEH 2150UB ...

Page 35: ... table 2 20 2 Caution Card CRP1387 20 3 Warranty Card See Contrast table 2 21 Cord Assy See Contrast table 2 Mark No Description Part No Mark No Description DEH 20UB XS UC DEH 2150UBG XS ES DEH 2150UB XS ES DEH 2150UB XU CN5 1 Cord Assy YDP5022 CDP1017 CDP1017 CDP1017 2 Polyethylene Bag CEG1173 CEG 162 CEG 162 CEG 162 5 Accessory Assy YEA5071 CEA9954 CEA9954 CEA9954 6 Screw BPZ20P060FTC Not used N...

Page 36: ...DEH 20UB XS UC 36 1 2 3 4 1 2 3 4 C D F A B E 9 2 EXTERIOR 1 A A A B B DEH 2150UBG XS ES DEH 2150UB XS ES DEH 2150UB XU CN5 ...

Page 37: ...l CN402 VNF1084 22 Terminal CN601 VNF1084 23 Terminal CN801 VNF1084 24 Fuse 10 A YEK5001 25 Holder See Contrast table 2 26 Holder YND5034 27 Heat Sink YNR5123 28 Chassis Unit YXA5541 29 Button CAC4836 30 Spring CBH2367 31 Spring Black CBH2962 32 Spring Silver CBH2961 33 Cover CNN1665 34 Panel CNS9662 35 Arm CNW1439 36 Arm CNV9312 37 Screw See Contrast table 2 38 Holder See Contrast table 2 39 IC I...

Page 38: ...DEH 20UB XS UC 38 1 2 3 4 1 2 3 4 C D F A B E 9 3 EXTERIOR 2 B ...

Page 39: ...RC BAND YAC5345 14 Button LIST DISP YAC5346 15 Button DETACH YAC5347 16 Cover YNS5405 17 Grip USB YNV5176 18 LCD LCD1801 CAW1970 19 Connector CN1801 CKS6049 20 Spacer CNN2527 21 Jack CN1802 YKN5001 22 Connector CN1803 YKS5032 23 Holder YNC5061 24 Rubber YNV5169 25 Connector YNV5170 26 Lighting Conductor YNV5171 27 Grille Unit See Contrast table 2 28 Knob Unit See Contrast table 2 29 Spring YBL5010...

Page 40: ...9 13 13 66 44 44 72 8 15 60 46 33 62 38 39 40 28 4 47 17 37 14 12 35 6 45 52 53 65 64 18 32 41 5 61 49 8 51 55 51 56 59 43 10 20 57 16 25 58 31 23 69 71 70 70 63 73 21 7 19 24 19 24 67 4 36 68 50 1 1 1 1 1 1 1 E 30 34 22 42 11 26 1 1 1 1 1 1 1 1 1 1 1 2 2 2 1 1 2 1 2 1 1 GEM1024 GEM1045 2 2 1 2 3 74 D C 54 9 9 1 2 2 ...

Page 41: ...83 29 Arm CND3831 30 Lever CND2585 31 Arm CND2586 32 Bracket CND2587 33 Arm CND2588 34 Lever CND2589 35 Holder CNV9522 36 Gear CNV7207 37 Gear CNV9513 38 Gear CNV7209 39 Gear CNV9514 40 Gear CNV9515 41 Gear CNV9516 42 Rack CNV9517 43 Arm CNV7216 44 Roller CNV8189 45 Gear CNV9518 46 Guide CNV9519 47 Gear CNV7595 48 Guide CNV9520 49 Arm CNV7805 50 Rack CNV8342 51 Roller CNV8343 52 Holder CNV8344 53 ...

Page 42: ...CN701 B C D B C D A 104 B C D 103 B C D NM No Mount A A 104 B C D 103 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 Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differenti...

Page 43: ... CN701 B C D B C D A DEH 20UB XS UC B DEH 2150UBG XS ES C DEH 2150UB XS ES D DEH 2150UB XU CN5 A B C D A B C 104 D 103 A B C 101 D 102 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 ...

Page 44: ...DEH 20UB XS UC 44 1 2 3 4 1 2 3 4 C D F A B E A a A b A b 3A A TUNER AMP UNIT A DEH 20UB XS UC B DEH 2150UBG XS ES C DEH 2150UB XS ES D DEH 2150UB XU CN5 A B C D A B C 101 D 102 ...

Page 45: ...a A b A b POWER IC 600uH YEK5001 10A B C D B C D D A B C 104 D 103 A B C 101 D 102 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 ...

Page 46: ...tance values or capacitance values are expressed in codes Ex Resistors Code Practical value 123 12k ohms 103 10k ohms 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 Capacitors Code Practical value 103 0 01uF 101 10 100uF 10V ...

Page 47: ...DEH 20UB XS UC 47 5 6 7 8 5 6 7 8 C D F A B E A a A b A b A a B CN1801 B C D B C D A 104 B C D 103 B C D B C D A A 104 B C D 103 ...

Page 48: ...DEH 20UB XS UC 48 1 2 3 4 1 2 3 4 C D F A B E 10 2 KEYBOARD UNIT B MC2848 11 MC2848 11 5 00 MHz A C B D 561 391 ...

Page 49: ...DEH 20UB XS UC 49 5 6 7 8 5 6 7 8 C D F A B E B B KEYBOARD UNIT A CN831 A DEH 20UB XS UC B DEH 2150UBG XS ES C DEH 2150UB XS ES D DEH 2150UB XU CN5 AUX USB MULTI CONTROL B D 561 391 ...

Page 50: ...OTOR M2 CXC4026 LOADING CARRIAGE MOTOR SWITCHES CD CORE UNIT S10 5COMP2 iPod C2 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 ACTUATOR MOTOR DRIVER F T F T F F T T T F T C S S C T F F F T T S S C C S S C C F T F T 1 2 3 4 5 7 8 9 a c d e f ...

Page 51: ...UB XS UC 51 5 6 7 8 5 6 7 8 C D F A B E C b C PE5666A C CD CORE UNIT S10 5COMP2 USB C3 A CN651 F SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S 6 b g h i j m l k ...

Page 52: ...DEH 20UB XS UC 52 1 2 3 4 1 2 3 4 C D F A B E C a C b C b 2 1 PE5666A C CD CORE UNIT S10 5COMP2 USB C3 F SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S b m ...

Page 53: ...DEH 20UB XS UC 53 5 6 7 8 5 6 7 8 C D F A B E C a C b C b A CN651 6 g h i j m l k ...

Page 54: ...C D F A B E C b C a C a C b 2 1 PICKUP UNIT P10 5 SERVICE SWITCHES CD CORE UNIT S10 5COMP2 iPod C2 S901 HOME SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF F T F T F F T T T F T C S F T F T c d f ...

Page 55: ...2 CXC4026 LOADING CARRIAGE MOTOR SWITCHES CD CORE UNIT S10 5COMP2 iPod C2 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 ACTUATOR MOTOR DRIVER S C T F F F T T S S C C S S C C 1 2 3 4 5 7 8 9 a e ...

Page 56: ...MDX 7SIN 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 wav...

Page 57: ... 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 Jump waveform Ref REFO Mode TEST Ref REFO Mode TEST Ref REFO Mode TEST Ref GND Mode Normal Ref R...

Page 58: ...DEH 20UB XS UC 58 1 2 3 4 1 2 3 4 C D F A B E 2 V div 2 V div 2 V div 500 ms div CPRST SDA SCL 2 V div 2 V div 50 ms div DP DM ACC OFF with USB iPod device connecting iPod Authentication Operation ...

Page 59: ...DEH 20UB XS UC 59 5 6 7 8 5 6 7 8 C D F A B E ...

Page 60: ... Capacitor 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 ...

Page 61: ...DEH 20UB XS UC 61 5 6 7 8 5 6 7 8 C D F A B E A SIDE A FRONT ASSY ANTENNA RCA W REM 2150 FM AM TUNER UNIT ...

Page 62: ...DEH 20UB XS UC 62 1 2 3 4 1 2 3 4 C D F A B E A A TUNER AMP UNIT FU 351 B 138 128 Fuse 3 A CEK1286 ...

Page 63: ...DEH 20UB XS UC 63 5 6 7 8 5 6 7 8 C D F A B E A SIDE B ...

Page 64: ...05 S1807 D1830 D1831 S1809 D1832 D1834 D1835 D1836 D1837 D1838 S1811 D1839 S1813 S1815 S1817 D1840 S1819 D1841 D1842 D1843 D1844 D1845 D1846 D1847 D1848 D1849 S1823 S1825 S1827 S1828 D1850 S1829 D1851 D1852 D1854 D1855 D1856 D1857 S1830 S1831 S1832 S1833 S1834 S1826 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 X 40 30 20 10 0 Y 160 AUX EJECT 6 5 4 3 2 1 CLOCK DISP BACK BAND ESC LIST SOURCE M...

Page 65: ...10 5 1 E 1 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 X1801 L1801 CN1801 C1801 C1802 C1803 C1804 C1805 C1806 C1807 Q1805 Q1806 D1801 D1802 D1803 D1804 R1801 D1805 R1802 D1806 R1803 D1807 R1804 R1806 R1807 R1808 IC1801 R1809 R1810 R1811 R1812 R1813 R1814 R1815 R1816 R1817 R1818 R1819 R1820 R1828 R1829 R1832 R1833 R1834 R1835 R1836 R1837 R1838 R1839 A CN831 ...

Page 66: ...B XS UC 66 1 2 3 4 1 2 3 4 C D F A B E 11 3 CD CORE UNIT S10 5COMP2 USB C3 C SIDE A C CD CORE UNIT S10 5COMP2 USB C3 HOME M2 LOADING CARRIAGE MOTOR M1 SPINDLE MOTOR REFO1 F E A CN651 PICKUP UNIT P10 5 SERVICE ...

Page 67: ...DEH 20UB XS UC 67 5 6 7 8 5 6 7 8 C D F A B E C SIDE B C CD CORE UNIT S10 5COMP2 USB C3 8EJ 12EJ DSCSNS ...

Page 68: ... Unit Number YWM5318 B Unit Number YWM5322 C Unit Number YWM5400 D Unit Name Tuner Amp Unit MISCELLANEOUS IC 151 B 127 105 IC PML014A IC 251 B 69 87 IC BD6538G IC 301 A 91 135 IC PAL007C IC 501 B 64 100 IC BD9007F IC 601 B 128 45 IC PN5025B IC 911 A 16 65 IC BA49181 V12 Q 201 B 131 130 Transistor RT3T22M Q 351 B 160 128 Transistor RT3N66M Q 601 A 150 68 Transistor 2SD1858 Q 821 B 21 17 Transistor ...

Page 69: ...16S681J R 412 B 160 54 RS1 16S681J R 502 B 75 95 RS1 16S4702F R 503 B 76 98 RS1 16S562J R 505 B 73 91 RS1 16S1002F R 506 B 71 96 RS1 16S393J R 507 B 113 37 RS1 16S222J Circuit Symbol and No Part No R 508 B 60 95 RS1 16S513J R 509 B 59 92 RS1 16S392J R 511 B 62 87 RS1 10SR471J R 513 B 65 86 RS1 16S0R0J R 520 B 75 97 RS1 16S0R0J R 601 B 123 28 RS1 16S473J R 602 B 106 41 RS1 16S473J R 606 B 107 71 RS...

Page 70: ...2 28 CKSRYB103K50 C 604 B 143 74 CKSRYB103K50 Circuit Symbol and No Part No C 605 B 108 74 CKSRYB104K16 C 606 B 105 62 CKSRYB103K50 C 607 B 117 56 D CKSRYB103K50 C 608 B 99 81 A B C CKSRYB104K16 B 99 81 D CKSRYB103K50 C 609 B 114 73 CKSRYB331K50 C 610 A 97 83 CEJQ101M6R3 C 611 B 114 71 CKSRYB331K50 C 612 B 119 60 CKSRYB103K50 C 613 A 103 59 CEAL101M6R3 C 614 B 169 94 A B C CCSRCH101J50 B 169 94 D ...

Page 71: ... R 1839 B 21 16 RS1 16S0R0J CAPACITORS C 1801 B 111 8 CKSYF106Z10 Circuit Symbol and No Part No C 1802 B 119 19 CKSRYB105K10 C 1803 B 130 18 CKSRYB472K50 C 1804 B 133 17 CKSRYB472K50 C 1805 B 136 20 CKSRYB472K50 C 1806 B 139 20 CKSRYB472K50 C 1807 B 126 19 CKSRYB472K50 B Unit Number B D Unit Name Keyboard Unit MISCELLANEOUS IC 1801 B 100 20 IC PD6340A IC 1802 A 139 8 Remote IC GP1UXC14RK D 1801 B ...

Page 72: ...241 B 13 25 RS1 16SS103J R 244 B 22 55 RS1 16SS473J R 249 B 14 50 RS1 16SS103J Circuit Symbol and No Part No R 254 A 25 64 RS1 16SS104J R 255 A 26 63 RS1 16SS104J R 256 A 25 62 RS1 16SS104J R 259 A 27 66 RS1 16SS0R0J R 261 A 26 65 RS1 16SS104J R 262 A 29 59 RS1 16SS0R0J R 263 A 27 63 RS1 16SS0R0J R 280 B 20 45 RS1 16SS103J R 282 A 30 61 RS1 16SS120J R 283 A 29 61 RS1 16SS120J R 284 B 29 63 RS1 16S...

Page 73: ... 61 CKSSYB102K50 C 303 A 36 19 CKSSYB472K25 C 304 A 36 21 CKSSYB223K16 C 307 A 22 11 CKSRYB104K16 C 308 B 11 18 CKSRYB105K10 C 703 B 14 35 CCSSCH101J50 C 704 B 11 36 CKSSYB102K50 C 711 A 31 25 CKSSYB104K10 Miscellaneous Parts List Pickup Unit P10 5 Service CXX1942 M 1 Motor Unit SPINDLE CXC7134 M 2 Motor Unit LOADING CARRIAGE CXC4026 Circuit Symbol and No Part No ...

Search results

Summary of Contents for DEH-20UB

Reviews:

Related manuals for DEH-20UB

Brands by name

Popular brands

Pioneer DEH-20UB, Service Manual

Search results

Summary of Contents for DEH-20UB

Reviews:

Related manuals for DEH-20UB

Brands by name

Popular brands