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Pioneer DEH-14 Service Manual Download Page 11

11

DEH-1400,14

5

6

7

8

A

B

C

D

5

6

7

8

A

A

TUNER AMP UNIT

CEK1136

 >

10A

RR+

RR-

FR+

FR-

FL+

FL-

RL+

RL-

ACC

GND

B.REM

BACK UP

RR

RL

PRE OUT

 VOLUME

EM CONTROLLER

MUTE

POWER AMP

VDD REGULATOR

BACK UP SENSE

ACC SENSE

B.REMOTE

VCC REGULATOR

SYS+B REGULATOR

FM(100%):+3.6dBs

AM(30%):-6.9dBs

CD:+10.2dBs

CD:+9.4dBs

FM(100%):+29.6dBs

AM(30%):+19.1dBs

CD:+36.2dBs

A-b

Summary of Contents for DEH-14

Page 1: ...ervice Manual DEH 1400 XM UC CONTENTS 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 2 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 8 4 PCB CONNECTION DIAGRAM 22 5 ELECTRICAL PARTS LIST 30 6 ADJUSTMENT 34 7 GENERAL INFORMATION 38 7 1 DIAGNOSIS 38 7 1 1 DISASSEMBLY 38 7 1 2 CONNECTOR FUNCTION DESCRIPTION 41 7 2 PARTS 42 7 2 1 IC 42 7 2 2 DISPLAY 50 7 3 OPERATIONAL FLOW CHART 51 8 OPERATIONS AND SP...

Page 2: ...ce 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 ...

Page 3: ...CBA1488 17 Accessory Assy CEA2781 Mark No Description Part No Mark No Description Part No 1 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 Part No Mark No Symbol and Description DEH 1400 XM UC DEH 14 XM UC 12 Carton CHG4489 CHG4493 13 Contain Box CHL4489 CH...

Page 4: ...4 DEH 1400 14 A B 2 2 EXTERIOR ...

Page 5: ...CT CAC7183 39 Button CLOCK CAC7298 40 Button A LD CAC7184 41 Button 1 6 CAC7180 42 Spring CBH2210 43 Cover CNS6720 44 Keyboard Unit See Contrast table 2 45 LCD See Contrast table 2 46 Connector CN1800 CKS3580 47 Holder CNC9617 48 Sheet CNM7057 49 Lighting Conductor CNV6476 50 Connector CNV6868 51 Lighting Conductor CNV6869 52 Rubber CNV6905 53 Grille Unit See Contrast table 2 54 Button CAC4836 55 ...

Page 6: ...DEH 1400 14 2 3 CD MECHANISM MODULE 6 C ...

Page 7: ...9123 39 Frame CNC9656 40 Belt CNT1086 41 Gear CNV6886 42 Gear CNV6316 43 Gear CNV6317 44 Gear CNV6318 45 Gear CNV6319 46 Gear CNV6320 47 Arm CNV6322 48 Arm CNV6323 49 Arm CNV6324 50 Arm CNV6888 51 Arm CNV6889 52 Guide CNV6327 53 Arm CNV6924 54 Guide CNV6921 55 Rack CNV6923 56 Clamper CNV6331 57 Arm CNV6332 58 Guide CNV6333 59 Cover CNV6334 60 Arm CNV6335 61 Guide CNV6336 62 Roller CNV6338 63 Dampe...

Page 8: ...OCL 23 LOCH AMDET MPXREF 41kHz AM 2ND IF 450kHz 19 CREQ 11 DGND 1 STIND L ch 5 R ch 9 24 NC FMLOCL 20 17 7 NC NC WC 26 RFGND CN701 Q101 M LASER DIODE MONITOR DIODE CLAMP SENSE DISC SENSE FOCUS ACT SPINDLE MOTOR M CARRIAGE MOTOR LOAD TRACKING ACT LD MD FO TO 15 5 1 4 PICKUP UNIT SERVICE P9 HOLOGRAM UNIT IC 401 BA5996FM IC 201 TC9495F2 IC 701 BA05SFP 5V REGULATOR SERVO CONTROL DSP LPF DAC CD DRIVER ...

Page 9: ...60 SWVDD 41 Frontout_L 10 Rearout_L 11 POWER AMP IC 361 TDA7386 14 12 22 4 5 3 21 23 FL MUTE STBY RL B U bsens asens Q920 Q361 MUTE Q921 KEYBOARD UNIT CN1800 CN751 LCD 20 18 Q750 RESET IC 603 S 80834ANY VDD 1 2 SYSPW 6 B REM FUSE 10A CD5VON 34 23 79 32 21 35 VDCONT HOME DSCSNS LOEJ CONT TUNPDI 11 PDIO VST VCK VDT VDD VDD VLCD 56 10 CN901 Q 351 CN351 REAR L CH Q359 BACK UP FL FL RL RL ACC GND B PCE...

Page 10: ... 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 01µF 101 10 100µF 10V The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Symbol indicates a re...

Page 11: ...10A RR RR FR FR FL FL RL RL ACC GND B REM BACK UP RR RL PRE OUT VOLUME EM CONTROLLER MUTE POWER AMP VDD REGULATOR BACK UP SENSE ACC SENSE B REMOTE VCC REGULATOR SYS B REGULATOR FM 100 3 6dBs AM 30 6 9dBs CD 10 2dBs CD 9 4dBs FM 100 29 6dBs AM 30 19 1dBs CD 36 2dBs A b ...

Page 12: ...12 DEH 1400 14 A 1 2 3 4 B C D 1 2 3 4 A a A a A b FM AM TUNER UNIT 183 183 162 162 272 272 CSS1023 4 194304MHz FMLOCL 682 0R0 R791 ANTENNA JACK ELECTRONIC VOLU SYSTEM CO FM 100 19 5dBs AM 30 30dBs 1 ...

Page 13: ...hms Capacitors Code Practical value 103 0 01µF 101 10 100µF 10V The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made betwee...

Page 14: ...EH 1400 14 A 1 2 3 4 B C D 1 2 3 4 A a A b A b A TUNER AMP UNIT RR RL PRE OUT C VOLUME TEM CONTROLLER MUTE POWER AMP FM 100 3 6dBs AM 30 6 9dBs CD 10 2dBs CD 9 4dBs FM 100 29 6dBs AM 30 19 1dBs CD 36 2dBs 1 ...

Page 15: ... 7 8 A B C D 5 6 7 8 A b A a A b CEK1136 10A RR RR FR FR FL FL RL RL ACC GND B REM BACK UP VDD REGULATOR BACK UP SENSE ACC SENSE B REMOTE VCC REGULATOR SYS B REGULATOR FM 100 29 6dBs AM 30 19 1dBs CD 36 2dBs 6 7 5 2 3 4 ...

Page 16: ...16 DEH 1400 14 A 1 2 3 4 B C D 1 2 3 4 3 3 KEYBOARD UNIT LCD DRIVER LCD B KEYBOARD UNIT B ...

Page 17: ... 5 6 7 8 A B C D 5 6 7 8 17 CLOCK LOC BSM DEH 1400 XM UC SML 310PT CEL1651 CAW1723 820 121 D1702 1708 IL1700 1701 LCD R1711 R1715 1719 DEH 14 XM UC SML 310DT CEL1638 CAW1716 121 181 IL1700 1701 14V 40mA A CN751 B ...

Page 18: ...18 DEH 1400 14 A 1 2 3 4 B C D 1 2 3 4 3 4 CD MECHANISM MODULE C M1 CXB6007 M2 CXB5903 LOADING CARRIAGE SPINDLE RF AMP S ACT MOTOR DRIVER 5V REGULATOR CN101 C CONTROL UNIT PICKUP UNIT SERVICE P9 ...

Page 19: ...SWITCHES CONTROL UNIT S901 HOME SWITCH ON OFF S902 CLAMP SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF The underlined indicates the switch position A CN501 Decimal points for resistor and capacitor fixed values are expressed as 2 2 2R2 0 022 R022 ...

Page 20: ...D Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Test Ref VREF Mode Normal Ref VREF Mode Normal 500ms div 0 CH1 TE 500mV div 8 CH2 FE 500mV div When setting up Source On 200ms div 1µs div CH1 LRCK 2V div CH2 DOUT 2V div During Play 10µs div 7 CH1 MD 500mV div During Play 10...

Page 21: ...SCSNS 5V div 2 CH2 CLCONT 5V div 3 CH3 LOEJ 5V div When Eject 8cm CD 200ms div CH1 LOUT 2V div CH2 ROUT 2V div Play in 1kHz 0dB 200µs div CH1 TEY 500mV div CH2 SD 2V div During inside outside search 200ms div 1 CH1 DSCSNS 5V div 2 CH2 CLCONT 5V div 3 CH3 LOEJ 5V div When Eject 12 cm CD 200ms div CH1 RFO 2V div CH2 DFCT 5V div 5 CH3 FD 1V div CH4 TD 2V div When reproducing black dots 800µm 500µs di...

Page 22: ...nclude all nec essary parts for several destination For further information for respective destina tions be sure to check A Capacitor Connector P C Board Chip Part SIDE A SIDE B 2 3 4 5 6 7 8 9 10 11 12 13 14 1 15 16 A A TUNER AMP UNIT C CN701 CORD ASSY 4 PCB CONNECTION DIAGRAM 4 1 TUNER AMP UNIT ...

Page 23: ...DEH 1400 14 5 6 7 8 A B C D 5 6 7 8 23 A 1 3 4 5 6 7 8 2 ANTENNA JACK B CN1800 SY FM AM TUNER UNIT FRONT SIDE A ...

Page 24: ...24 DEH 1400 14 A 1 2 3 4 B C D 1 2 3 4 A 1 3 6 4 1 3 6 4 4 6 3 1 A A TUNER AMP UNIT ...

Page 25: ...DEH 1400 14 5 6 7 8 A B C D 5 6 7 8 25 4 6 3 1 4 6 3 1 4 6 3 1 A SIDE B A ...

Page 26: ...26 DEH 1400 14 A 1 2 3 4 B C D 1 2 3 4 B KEYBOARD UNIT B KEYBOARD UNIT A CN751 EJECT AUDIO LOUD BAND LOC BSM 6 5 4 3 2 1 SOURCE VOL VOL CLOCK EQ LCD 4 2 KEYBOARD UNIT SIDE A B SIDE B ...

Page 27: ...27 DEH 1400 14 ...

Page 28: ...28 DEH 1400 14 A 1 2 3 4 B C D 1 2 3 4 E F VREF HOME 12EJ DSCSNS 4 3 CD MECHANISM MODULE CONTROL UNIT SIDE A C C M2 LOADING CARRIAGE MOTOR M1 SPINDLE MOTOR PICKUP UNIT SERVICE P9 CN501 A ...

Page 29: ...DEH 1400 14 1 2 3 4 A B C D 1 2 3 4 29 CLAMP 8EJ SIDE B CONTROL UNIT C C ...

Page 30: ... D 923 Diode S5688G D 924 Diode S5688G L 310 Inductor LAU1R0K L 361 Choke Coil 600µH CTH1221 L 410 Ferri Inductor LAU4R7K L 411 Ferri Inductor LAU2R2K L 412 Ferri Inductor LAU2R2K L 617 Ferri Inductor LAU101K L 618 Ferri Inductor LAU2R2K L 750 Ferri Inductor LAU2R2K X 610 Crystal Resonator 4 194304MHz CSS1023 AR 410 Surge Protector DSP 201M S00B FM AM Tuner Unit CWE1563 RESISTORS R 310 RS1 16S101J...

Page 31: ...14 CEJQ4R7M35 C 315 CEJQ4R7M35 C 316 CKSRYB153K25 C 321 CKSRYB153K25 C 324 CCSRCH100D50 C 326 CCSRCH100D50 C 327 CCSRCH100D50 C 329 CCSRCH100D50 C 351 CEJQ2R2M50 C 352 CEJQ2R2M50 C 361 3300µF 16V CCH1368 C 362 CKSRYB104K25 C 363 CKSQYB474K16 C 364 CKSQYB474K16 C 365 CKSQYB474K16 C 366 CKSQYB474K16 C 367 CKSQYB474K16 C 368 CKSQYB474K16 C 369 CKSQYB474K16 C 370 CKSQYB474K16 C 371 CEJQ330M10 C 372 CE...

Page 32: ... 1701 RS1 16S101J R 1702 RS1 16S101J R 1703 RS1 16S101J R 1708 RS1 16S151J R 1709 RS1 16S151J R 1710 RS1 16S151J R 1711 RS1 16S121J R 1712 RS1 16S181J R 1713 RS1 16S181J R 1714 RS1 16S181J R 1715 RS1 16S181J R 1716 RS1 16S181J R 1717 RS1 16S181J R 1718 RS1 16S181J R 1719 RS1 16S181J R 1800 RS1 16S222J R 1801 RS1 16S222J R 1802 RS1 16S471J R 1803 RS1 16S471J R 1804 RS1 16S471J R 1805 RS1 16S471J CA...

Page 33: ... 207 CKSRYB273K25 C 208 CKSRYB104K16 C 209 CKSRYB104K16 C 210 CCSRCK2R0C50 C 211 CCSRCH220J50 C 301 CKSRYB153K25 C 302 CKSRYB104K16 C 303 CKSRYB103K50 C 304 CKSRYB103K50 C 305 CKSRYB104K16 C 306 CKSRYB104K16 C 307 CKSRYB333K16 C 308 CKSRYB104K16 C 309 CKSRYB473K16 C 310 CKSRYB473K16 C 311 CKSRYB104K16 C 312 CKSRYB104K16 C 315 CEV220M6R3 C 317 CKSRYB104K16 C 318 CKSRYB104K16 C 319 CKSRYB104K16 C 32...

Page 34: ...filters and wiring required for measurements Before proceeding to further adjustments and mea surements after switching regulator ON let the player run for about one minute to allow the circuits to stabi lize Since the protective systems in the unit s software are rendered inoperative in test mode be very careful to avoid mechanical and or electrical shocks to the sys tem when making adjustment Th...

Page 35: ... Procedure 1 In test mode load the disc and switch the 5V regulator on 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 differ ence is within 75 Refer to the photographs supplied to determine the phase angle 4 If the phase difference is determined to be greater than 75 try changing ...

Page 36: ...36 DEH 1400 14 Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...

Page 37: ...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 38: ...ed Remove the three screws Remove the screw and then remove the Tuner Amp Unit Removing the Case not shown 1 Remove the Case Panel Assy Fig 1 Take the two stoppers off the Chassis and then remove the Panel Assy Removing the CD Mechanism Module Fig 1 Remove the four screws and then remove the CD Mechanism Module Fig 1 Fig 2 Tuner Amp Unit CD Mechanism Module Panel Assy ...

Page 39: ...ile slowly pulling up the part 4 Now the top frame has been removed and under this state fix the genuine Connector again and eject the disk Caution When you reassemble the Carriage Mechanical part apply a bit of alcohol to Dampers How to remove the Guide Arm Assy 1 Unlock the spring 1 piece at the right side of the assembly 2 Unscrew screws 2 pieces then remove the Screw Gear Bracket 3 Shift the G...

Page 40: ...spring 1 piece and remove the E ring 1 piece of the Fulcrum Shaft 2 Shift the arm to the left side direction and unlock pins 2 pieces How to remove the Pickup Unit 1 Unscrew 2 pieces of screws then remove the Pulley Cover 2 Remove the Feed Screw unit from the pawl of the Feed Screw Guide The pawl is located inside the guide 3 Remove the belt from the Pulley then remove the Pickup unit Caution Make...

Page 41: ...1 DEH 1400 14 7 1 2 CONNECTOR FUNCTION DESCRIPTION 5 7 9 1 3 4 6 8 2 10 12 14 16 11 13 15 PRE OUT ANTENNA 1 GND 2 BACK UP 3 ACC 4 NC 5 NC 6 B REM 7 NC 8 NC 9 RL 10 FL 11 RL 12 FL 13 RR 14 FR 15 RR 16 FR ...

Page 42: ...utput 31 CLCONT O C Driver input select output 32 HOME I C Home position detector input 33 VSS GND 34 LOEJ O C CD load motor LOAD EJECT direction exchange output 35 CD5VON O C CD 5V power supply control output 36 37 ROT1 0 I Rotary encoder data input 38 TELIN I Telephone mute input 39 NC Not used 40 ILMPW O C Illumination power supply control output 41 swvdd O C Keyboard unit power supply control ...

Page 43: ...nal for analog circuit 75 AVREF0 A D converter reference voltage 76 SL I SD level input from tuner 77 TEMP I CD temperature sense input 78 VDSENS I VD power supply voltage sense input 79 DISCSNS I CD DISC sense input 80 CSENS I Flap open close sense input 80 1 20 21 40 41 60 61 PE5262A Output Format Meaning C C MOS output N N channel open drain output IC s marked by are MOS type Be careful in hand...

Page 44: ...t analogue input 17 REM I Remote control reception 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 o...

Page 45: ...error signal generation amplifier output terminal 15 SBAD O Sub beam addition signal output terminal 16 FEO O Focus error signal generation amplifier output terminal 17 FEN I Focus error signal generation amplifier reverse phase input terminal 18 SEB I RFRP generation circuit mode switching terminal 19 VRO O Reference voltage VREF output terminal 20 RFRP O Signal generation amplifier output termin...

Page 46: ...t DAC zero detection flag output terminal 28 PDO O Phase error signal issue between the EFM and PLCK signals 29 TMAXS O TMAX detection result output terminal 30 TAMX O TMAX detection result output terminal 31 LPFN I Reverse input terminal of amplifier for lowpass filter 32 LPFO O Output terminal of amplifier for lowpass filter 33 PVREF PLL system only VREF terminal 34 VCOREF I VCO center frequency...

Page 47: ...rminal 5 V 77 XVSS Ground terminal for system clock oscillator circuit 78 XI I System clock oscillator circuit input terminal 79 XO O System clock oscillator circuit output terminal 80 XVDD For system clock oscillator circuit power supply terminal 81 DVSR R channel D A converting unit power supply terminal 82 RO O R channel data forward rotation output terminal 83 DVDD D A converting unit power su...

Page 48: ...or CH1 CH2 and CH3 at Power stage 11 VO1 Driver CH1 Negative output 12 VO1 Driver CH2 Positive output 13 VO2 Driver CH2 Negative output 14 VO2 Driver CH2 Positive output 15 VO3 Driver CH2 Positive output 16 VO3 Driver CH2 Negative output 17 VO4 Driver CH4 Positive output 18 VO4 Driver CH4 Negative output 19 POWVCC2 Power supply pin for CH4 at Power stage 20 GND Ground pin 21 CNT Control pin 22 LDI...

Page 49: ...d up to the VDD at 47kΩ 16 CE1 I chip enable 1 AF RF chip enable Active at High To be grounded at 47kΩ 17 NC Not used 18 LDET O lock detector Active at Low To be pulled up to the VDD at 47kΩ 19 CREQ I current request Active at Low To be grounded at 47kΩ 20 NC Not used 21 COMP O composite signal FM composite signal output r out 100Ω 22 VCC power supply Analog section power supply pin DC 8 4V 0 3V 2...

Page 50: ...6 SEG5 SEG4 SEG3 SEG2 NC NC SEG19 SEG36 COM2B COM0A COM2C COM3B COM2D COM1B COM0B SEG39 SEG38 COM3A COM2A COM1A 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 21 1 47 46 45 44 43 42 41 39 38 50 49 48 40 COM2B COM0A COM2C COM3B COM2D COM1B COM0B COM3A COM2A COM1A COMMON SEGMENT 7 2 2 DISPLAY CAW1723 DEH 1400 XM UC CAW1716 DEH 14 XM UC 50 ...

Page 51: ... swvdd L Pin 41 Source keys operative Completes power on operation After that proceed to each source operation SYSPW H Pin 42 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 52: ...ves 6 5 2 3 buttons Press to do manual seek tuning fast forward reverse and track search controls Also used for controlling functions 7 LOUDNESS button Press to switch loudness function on or off 8 SOURCE button This unit is switched on by selecting a source Press to cycle through all of the available sources 9 1 6 PRESET TUNING buttons Press for preset tuning 0 LOCAL BSM button BAND button Press ...

Page 53: ...o select the tuner 2 Use VOLUME to adjust the sound level When you press VOLUME up the volume is raised and when pressed down the vol ume is lowered 3 Press BAND to select a band Press BAND until the desired band is dis played FM1 FM2 FM3 for FM or AM 4 To perform manual tuning press 2 or 3 with quick presses The frequencies move up or down step by step 5 To perform seek tuning press and hold 2 or...

Page 54: ...eft to right 1 2 Using the equalizer The equalizer lets you adjust the equaliza tion to match car interior acoustic character istics as desired Recalling equalizer curves There are six stored equalizer curves which you can easily recall at any time Here is a list of the equalizer curves Display Equalizer curve SBASS Super bass PWRFL Powerful NTRL Natural VOCAL Vocal CSTM Custom FLAT Flat CSTM is a...

Page 55: ...Green Green black Gray black Violet Violet black Front speaker Rear speaker Left Perform these connections when using a different amp sold separately With a 2 speaker system do not connect anything to the speaker leads that are not connected to speakers Yellow To terminal always supplied with power regardless of ignition switch position Black ground To vehicle metal body Red To electric terminal c...

Page 56: ... dB 100 Hz 11 dB 10 kHz volume 30 dB CD player System Compact disc audio system Usable discs Compact disc Signal format Sampling frequency 44 1 kHz Number of quantization bits 16 linear Frequency characteristics 5 20 000 Hz 1 dB Signal to noise ratio 94 dB 1 kHz IHF A network Dynamic range 92 dB 1 kHz Number of channels 2 stereo FM tuner Frequency range 87 9 107 9 MHz Usable sensitivity 9 dBf 0 8 ...

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