Pioneer DEH-2237ZF X1R/UC Service Manual Download Page 9

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DEH-2237ZF/X1R/UC

Mark No. Description

Part No.

Mark No. Description

Part No.

1 CD Control Unit

CWX2701

2 Connector(CN701)

CKS1959

3 Connector(CN101)

CKS3486

4 Screw

BMZ20P025FTC

5 Screw

BSZ20P040FTC

6 Screw(M2x4)

CBA1362

7 Screw(M2x3)

CBA1527

8 Screw

CBA1545

9 Washer

CBF1037

10 Washer

CBF1038

11 Washer

CBF1039

12 Washer

CBF1060

13 Spring

CBH2378

14 Spring

CBH2379

15 Spring

CBH2514

16 Spring

CBH2533

17 Spring

CBH2382

18 Spring

CBH2383

19 Spring

CBH2384

20 Spring

CBH2527

21 Spring

CBH2386

22 Spring

CBH2537

23 Spring

CBH2390

24 Spring

CBH2391

25 Spring

CBH2523

26 Spring

CBH2426

27 Spring

CBH2444

28 Spring

CBL1561

29 Spring

CBL1553

30 Shaft

CLA3845

31 Roller

CLA3910

32 Frame

CNC9654

33 Lever

CNC9664

34 Lever

CNC8949

35 Arm

CNC9661

36 Arm

CNC9016

37 Arm

CNC9017

38 Bracket

CNC9123

39 Frame

CNC8947

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 Damper

CNV6175

64 Damper

CNV6662

65 Guide

CNV6925

66 Chassis Unit

CXB7980

67 Arm Unit

CXB7983

68 Arm Unit

CXB7984

69 Arm Unit

CXB7985

70 Motor Unit(M2)

CXB5903

71 Screw Unit

CXB5904

72 Gear Unit

CXB8076

73 Bracket Unit

CXB7982

74 Motor Unit(M1)

CXB6007

75 Arm Unit

CXB8504

76 Screw(M2x5)

EBA1028

77 Screw

JFZ20P020FTC

78 Screw

JGZ17P020FZK

79 Washer

YE15FTC

80 Washer

YE20FTC

81 Pickup Unit(Service)(P9) CXX1481
82 Screw

IMS26P030FTC

83 Guide

CNV6922

84 Roller

CNV6887

85 Spring

CBH2509

86 Spring

CBH2512

87 Spring

CBH2536

88 Collar

CNV6906

89 Damper

CNV6863

CD MECHANISM MODULE SECTION PARTS LIST

Summary of Contents for DEH-2237ZF X1R/UC

Page 1: ... ZZD JUNE 2003 Printed in Japan ORDER NO CRT3094 DISC PLAYER WITH AMPLIFIER DEH 2237ZFX1R UC Service Manual FORD DEH 2237ZF X1R UC For details refer to Important symbols for good services VEHICLE DESTINATION PRODUCED AFTER FORD PART No ID No PIONEER MODEL No Ranger U S A CANADA August 2003 FS 4L5T 18C868 AE DEH 2237ZF X1R UC This service manual should be used together with the following manual s M...

Page 2: ...ly 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 projec...

Page 3: ...YBOARD UNIT 18 3 4 CD MECHANISM MODULE 20 4 PCB CONNECTION DIAGRAM 24 4 1 MOTHER UNIT 24 4 2 KEYBOARD UNIT 28 4 3 CD MECHANISM MODULE 30 5 ELECTRICAL PARTS LIST 32 6 ADJUSTMENT 38 6 1 CD ADJUSTMENT 38 6 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 40 6 3 CD TEST MODE 42 7 GENERAL INFORMATION 46 7 1 DIAGNOSIS 46 7 1 1 DISASSEMBLY 46 7 1 2 CONNECTOR FUNCTION DESCRIPTION 51 7 2 PARTS 52 7 2 ...

Page 4: ...pact disc Signal format Sampling frequency 44 1kHz Number of quantization bits 16 linear S N 70dB or more Distortion 0 1 or less FM tuner Frequency 87 75 87 9 107 9 MHz S N 58dB or more Distortion 1 0 or less IF interference 95dB or more Image interference 45dB or more Stereo Separation 25dB or more 400Hz AM tuner Frequency 530 1710 kHz S N 20dB useable sensibility 33dBµ 4dB 5dB S N 50dB 10dB 6dB ...

Page 5: ...5 6 7 8 F E D C B A 5 6 7 8 DEH 2237ZF X1R UC 5 ...

Page 6: ...6 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR A B ...

Page 7: ...Rubber HNV7063 36 Keyboard Unit HWM0087 37 LCD LCD904 CAW1822 38 Connector CN901 CKS4576 39 Lighting Conductor CNV7936 40 Holder HNC9816 41 Sheet HNM0103 42 Connector HNV0049 43 Connector HNV0050 44 Housing HNV7069 45 Knob Assy HXA0385 46 Grille Unit HXA0420 47 Screw IMS20P040FZK 48 Screw IMS26P040FMC 49 Screw ISS26P055FUC 50 Nut NF50FMC 51 Transistor Q824 KSA1220 52 Transistor Q700 KSD1273 53 Tra...

Page 8: ...8 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC GEM1035 GEM1035 GEM1040 2 2 CD MECHANISM MODULE C ...

Page 9: ...acket CNC9123 39 Frame CNC8947 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...

Page 10: ... CN607 13 X601 15 EC TU 44 SWVDD ILMOUT 4 BLPWR 3 Lch Q401 LOCL PDIO FM AM TUNER UNIT 2 14 Q8 Q822 B UP ILMOUT BLPWR VD REGULATOR VD VDCONT B UP Q827 76 LOTIN0 77 LOTIN1 73 wakeup 4 20 rotint kdt kdt LCDCE lcdinh A MOTHER UNIT SUBCLKO SUBCLKI 11 X602 10 B UP Q701 Q700 Q702 SWVDD XRST XCE XPCK X0 X3 LOEJ 84 CLCNT 78 DSCSNC 91 HOME 90 16 17 15 10 VDCNT 97 CD5V 80 1 LOUT CLCNT HOME LOEJ DSCSNS CD5V I...

Page 11: ...872 ilmint 19 PWMIN 6 Q810 SWVDD SYSPW Q202 Q201 HARDMUTE FMUTE 27 19 18 ROTIN1 ROTIN0 WAKEUP 76 LOTIN0 77 LOTIN1 73 wakeup TC7S86F IC 603 1 2 4 20 rotint kdt kdt kst kst LCDCE lcdinh LCDCLK LCDDT B UP BACKUP ILL IC203 1 2 NJM2904V IC202 1 2 NJM2904V Q231 RLP FLP clipin 65 SWVDD SWVDD st 47 DIAGNOSTICS IC 604 BR9010FV W PDO PDI PCK Q321 Q323 Q325 Q327 6 FIX EQUALIZER Q874 Q809 Q823 Q826 Q852 HARDM...

Page 12: ...IEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A FM AM TUNER UNIT B CN901 C CN701 SYSTEM CONTROLLER ELECTRONIC VOLUME SOURCE SELECTOR FM 25 0dBs 100 400Hz MONO AM 25 0dBs 30 Mod 400Hz MONO CD 1 10dBs 1kHz 0dB FM 35 47dBs AM 35 47dBs CD 1 97dBs 12 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC 3 2 OVERALL CONNECTION DIAGRAM GUIDE PAGE ...

Page 13: ...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 MOTHER UNIT OLLER TRONIC VOLUME URCE SELECTOR FM 21 37dBs AM 20 37dBs CD 2 87dBs FM 4 63dBs AM 5 63dBs CD 23 13dBs 13 5 6 7 8 F E D C B A 5 6 7 8 DEH 2237ZF X1R UC ...

Page 14: ...UNER UNIT SYSTEM CONTROLLER ELECTRONIC VOLUME SOURCE SELECTOR FM 25 0dBs 100 400Hz MONO AM 25 0dBs 30 Mod 400Hz MONO FM 35 47dBs AM 35 47dBs CD 1 97dBs FM 21 37dBs AM 20 37dBs CD 2 87dBs 14 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC ...

Page 15: ...A a A b A a A a A b 4 5 B CN901 C CN701 SYSTEM CONTROLLER CD 1 10dBs 1kHz 0dB 15 5 6 7 8 F E D C B A 5 6 7 8 DEH 2237ZF X1R UC ...

Page 16: ...A a A b A b 1 2 3 NC PTA A MOTHER UNIT FM 21 37dBs AM 20 37dBs CD 2 87dBs FM 4 63dBs AM 5 63dBs CD 23 13dBs 16 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC ...

Page 17: ...s 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 17 5 6 7 8 F E D C B A 5 6 7 8 DEH 2237ZF X1R UC ...

Page 18: ...18 B A CN604 105mA 8V KL KL 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC 3 3 KEYBOARD UNIT ...

Page 19: ...19 B B KEYBOARD UNIT SEEK UP SEEK DOWN TUNE DOWN TUNE UP MUTE CD EJECT CLK POWER VOLUME POWER 5 6 7 8 F E D C B A 5 6 7 8 DEH 2237ZF X1R UC ...

Page 20: ... LOADING CARRIAGE MOTOR SPINDLE MOTOR RF AMP ACT MOTOR DRIVER 5V REGULATOR PICKUP UNIT SERVICE S9 F F F F F F F F F F F F F F T T T T T T T T T T T T T T C S S C S S C C S S C C 0 8 5 7 20 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC 3 4 CD MECHANISM MODULE ...

Page 21: ...FF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF The underlined indicates the switch position A CN607 C CD CONTROL UNIT F T C S SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE S 1 2 3 4 21 9 6 21 5 6 7 8 F E D C B A 5 6 7 8 DEH 2237ZF X1R UC ...

Page 22: ...Mode Normal Ref GND 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 ...

Page 23: ...200ms div 1 CH1 DSCSNS 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 do...

Page 24: ...de 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 FRONT CAR HARNESS 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 10 11 12 13 J1 J3 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC 4 PCB CONNECTION DIAGRAM 4 1 MOTHER UNIT ...

Page 25: ...25 A SIDE A T C CN701 B CN901 FM AM TUNER UNIT ANTENNA 1 2 3 5 6 7 8 F E D C B A 5 6 7 8 DEH 2237ZF X1R UC ...

Page 26: ...26 A A MOTHER UNIT 1 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC ...

Page 27: ...27 A SIDE B 1 5 6 7 8 F E D C B A 5 6 7 8 DEH 2237ZF X1R UC ...

Page 28: ... KEYBOARD UNIT SIDE A 1 3 4 6 2 5 SEEK UP SEEK DOWN SCAN TUNE UP TUNE DOWN FM MUTE VOLUME POWER CLK CD EJECT CD AM TAPE EJECT MENU LCD904 28 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC 4 2 KEYBOARD UNIT ...

Page 29: ...B B KEYBOARD UNIT SIDE B A CN604 29 5 6 7 8 F E D C B A 5 6 7 8 DEH 2237ZF X1R UC ...

Page 30: ...30 C C CD CONTROL UNIT SIDE A A CN607 12EJ DSCSNS HOME PICKUP UNIT SERVICE P9 M2 LOADING CARRIAGE MOTOR M1 SPINDLE MOTOR E F VREF2 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC 4 3 CD MECHANISM MODULE ...

Page 31: ...31 C C CD CONTROL UNIT SIDE B CLAMP 8EJ 5 6 7 8 F E D C B A 5 6 7 8 DEH 2237ZF X1R UC ...

Page 32: ...nsistor 2SC4081 Q 872 Transistor 2SC4081 Q 873 Transistor 2SA1576 Q 874 Transistor DTC114EU D 201 Diode DAN202U D 202 Diode DAN202U D 700 Diode HZS9L B1 D 801 Diode RM4Z LFJ4 D 802 Diode ERA15 02VH D 805 Diode HZS9L A1 D 806 Diode ERA15 02VH D 807 Diode HZS6L B2 D 830 Diode 1SS355 D 840 Diode HZS7L C2 D 841 Diode HZS9L A2 D 850 Diode UDZS5R6 B D 851 Diode DAN202U D 852 Diode HZS9L B2 D 873 Diode H...

Page 33: ...22J R 413 RS1 16S473J R 414 RS1 16S681J R 415 RS1 16S681J R 416 RS1 16S681J R 417 RS1 16S473J R 418 RS1 16S472J R 419 RS1 16S473J R 420 RS1 16S681J R 421 RS1 16S473J R 422 RS1 16S473J R 423 RS1 16S473J R 424 RS1 16S681J R 425 RS1 16S681J R 426 RS1 16S103J R 427 RS1 16S393J R 430 RS1 16S563J R 601 RS1 16S471J R 602 RS1 16S102J R 603 RAB4C102J R 604 RS1 16S473J R 605 RS1 16S471J R 606 RS1 16S102J R ...

Page 34: ...4K10 C 118 CKSRYB474K10 C 119 CKSRYB474K10 C 120 CKSRYB474K10 C 125 CKSRYB272K50 C 126 CKSRYB272K50 C 129 CKSRYB104K16 C 130 CKSRYB104K16 C 201 CEJQ330M10 C 202 CEJQ010M50 C 203 CFTLA105J50 C 204 CEJQ100M16 C 205 CKSRYF104Z25 C 211 CFTNA224J50 C 212 CFTNA224J50 C 213 CFTNA224J50 C 214 CFTNA224J50 C 221 CKSRYB102K50 C 222 CKSRYB102K50 C 223 CKSRYB102K50 C 224 CKSRYB102K50 C 225 CKSRYB102K50 C 226 C...

Page 35: ...PT KL D 934 LED SML 310PT KL D 935 LED SML 310PT KL D 936 LED SML 310PT KL D 937 LED SML 310PT KL D 938 LED SML 310PT KL D 939 LED SML 310PT KL D 940 LED SML 310PT KL D 941 Chip LED SML010PT KL D 942 Chip LED SML010PT KL D 943 LED SML 310PT KL D 944 LED SML 310PT KL D 945 LED SML 310PT KL D 946 LED SML 310PT KL D 947 LED SML 310PT KL D 948 LED SML 310PT KL D 951 Diode DAN202U KL D 953 Diode 1SS355...

Page 36: ...2 RS1 16S332J R 303 RS1 16S332J R 304 RS1 16S514J R 306 RS1 16S102J R 307 RS1 16S102J R 312 RS1 16S103J R 313 RS1 16S473J R 315 RS1 16S334J R 321 RS1 16S331J R 323 RS1 16S332J R 401 RS1 16S684J R 402 RS1 16S103J R 403 RS1 16S103J R 404 RS1 16S183J R 405 RS1 16S123J R 407 RS1 16S622J R 408 RS1 16S622J R 409 RS1 16S113J R 410 RS1 16S752J R 701 RS1 16S102J R 702 RS1 16S102J R 703 RS1 16S102J R 704 RS...

Page 37: ...3 CKSRYB153K25 C 404 CKSRYB103K50 C 405 CEV101M10 C 702 CKSRYB104K16 C 703 CKSRYB104K16 C 801 10µF 10V CCH1349 C 802 CEV101M10 C 803 CKSRYB224K16 Miscellaneous Parts List Pickup Unit Service P9 CXX1481 M 1 Motor Unit SPINDLE CXB6007 M 2 Motor Unit LOADING CARRIAGE CXB5903 Circuit Symbol and No Part Name Part No ...

Page 38: ... 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 The RFI and RFO signals are easy to oscillate because of a wide band When observing them insert a resis tor of about 1 kΩ to the series This equipment wi...

Page 39: ...adjustment value display switching 3 TRK MIN SEC 1 T CLS and F T AGC and RF AGC and Applicable servomechanism TRKxxMINxxSECxx 6 T Close and Applicable servomechanism TRKxxMINxxSECxx 3 RF AGC RF AGC coefficient display TRK MIN SEC SEEK UP CRG TRK8x MIN8x SEC8x or TRK9xMIN9xSEC9x SEEK DOWN CRG TRK8xMIN8xSEC8x or TRK9xMIN9xSEC9x 2 T Balance adjustment T Balance coefficient display TRK MIN SEC 1 F T R...

Page 40: ...N 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 adjust ment 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 differ ence is within 75 Refe...

Page 41: ...41 5 6 7 8 F E D C B A 5 6 7 8 DEH 2237ZF X1R UC Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...

Page 42: ...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 43: ...est mode by turning on the reset start 2 Key Correspondence Key Test mode New test mode Regulator Off Regulator On In play Error Production SCAN To regulator on To regulator off Time Err No switching SEEK UP FWD Kick FF TR SEEK REV Kick REV TR DOWN 1 Tracking Close Scan 2 Tracking Open Mode 3 Focus Close Focus Open Jump Off 6 To new test mode Jump mode switching Auto Manu Note Eject and CD on off ...

Page 44: ...ff 32 Tracking close start Spindle stationary servocontrol setting Focus slips off 33 Tracking close 2 Focus slips off 34 Tracking close 3 Focus slips off 35 Focus Tracking AGC start Focus slips off 36 Focus Tracking AGC 2 Focus slips off 37 Focus Tracking AGC 3 Focus slips off 38 Focus Tracking AGC 4 Focus slips off 39 Focus Tracking AGC 5 Focus slips off 40 Focus Tracking AGC 6 Focus slips off 4...

Page 45: ... as in the normal mode 3 When a Protection Error Occurred A Error display A B C SCAN key 8 digit display 6 digit display 4 digit display ERROR xx ERR xx E xx B Error occurrence timing display in track no B C Auto Manual key 8 digit display 6 digit display 4 digit display Auto setting TNO Min Sec TNO 10 40 05 10 C Error occurrence timing display in absolute time B C Auto Manual key 8 digit display ...

Page 46: ... screws 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 Grille Assy 1 1 1 1 CD Mechanism Module 2 2 Fig 2 1 Remove the two screws Removing the Heat Sink Fig 2 Heat Sink 1 1 2 2 2 Remove the two screws and then remove the Heat Sink 46 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC ...

Page 47: ... 6 7 8 DEH 2237ZF X1R UC 1 Fig 3 Removing the Chassis Fig 3 Remove the four screws and then remove the Chassis Chassis 1 1 1 1 1 Removing the Holder Fig 4 Remove the four screws and then remove the Holder Fig 4 1 1 1 1 Holder ...

Page 48: ... DEH 2237ZF X1R UC 1 Fig 5 Removing the Mother Unit Fig 5 2 Remove the two screws 3 Straighten the tabs at two locations indicated 4 Remove the two screws and then remove the Mother Unit 1 2 2 3 3 4 4 1 Remove the screw Mother Unit ...

Page 49: ...eces of Damper while 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 Mechanism 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 Brack...

Page 50: ...m Assy 1 Unlock the 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 Pick...

Page 51: ...0 11 12 13 14 15 16 ILL ILL START CLOCK RR RR FR FR B UP RUN ACC RADIO GND RL RL FL FL POWER AMP GND POWER SUPPLY SPEAKER CASE FM AM ANTENNA RF GND ANTENNA IN 1 10 11 12 13 NC PTA NC PHONE INPUT NC PHONE INPUT NC PHONE SHIELD PHONE 10 13 J3 J1 7 1 2 CONNECTOR FUNCTION DESCRIPTION ...

Page 52: ...orrection chip select output 27 bsens I Back up power sense input 28 bsck O C P BUS Serial clock output 29 BSI I P BUS Serial data input 30 BSO O N P BUS Serial data output 31 ATXD O C ACP BUS ACP data output 32 ARXD I ACP BUS ACP data input 33 evce O C Electronic volume Chip enable output 2 33 evce O C Electronic volume Chip enable output 1 35 EDT O C Electronic volume Interface Data output 36 cl...

Page 53: ...rol output 81 xrst O C CD CD LSI reset output 82 xce O C CD CD LSI chip enable output 83 XPCK O C CD CD LSI clock output 84 LOAJ O C CD Load Eject direction change output 85 88 XPIO3 0 I O C CD LSI data input output 89 CONT O C CD Servo driver change output 90 HOME I CD DSCSNS switch sense input 91 DSCSNS I CD HOME switch sense input 92 VDSENS I CD VD sense input 93 TEMP I CD Temperature sense inp...

Page 54: ...842CNDYI Pin Functions LC75813E Pin No Pin Name I O Function and Operation 1 CL I Clock input 2 DI I Data input 3 89 S1 S87 O Segment output 90 92 COM3 COM1 O Common output 93 VDD Logic section power supply terminal 94 VLCD LCD driver section power supply terminal 95 VLCD1 2 3 VLCD terminal 96 VLCD2 1 3 VLCD terminal 97 VSS GND 98 OSC Oscillating element connection terminal 99 inh I LCD driver inh...

Page 55: ...able Active at High To be grounded at 47kΩ 17 AMPNS AM PNS IF signal IF signal output for AM PNS circuit 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 AMINI AM audio input The frequency response and the level are set by connecting an external CR network with terminal AMIN as terminal AMDET r in 50kΩ 21 COM...

Page 56: ...G21 1 SEG25 SEG30 SEG35 SEG41 SEG46 SEG51 SEG57 SEG87 2 SEG62 SEG82 SEG83 SEG84 SEG85 SEG88 SEG87 1 NC COM1B COM2B COM3B SEG78 SEG60 SEG61 SEG63 SEG64 SEG79 SEG73 SEG22 SEG80 SEG81 SEG50 SEG52 SEG53 SEG76 SEG54 SEG77 SEG55 SEG56 SEG58 SEG59 SEG40 SEG42 SEG43 SEG74 SEG44 SEG45 SEG47 SEG48 SEG75 SEG49 SEG21 2 SEG28 SEG29 SEG31 SEG32 SEG33 SEG34 SEG36 SEG37 SEG39 NC NC NC NC SEG38 SEG23 SEG24 SEG26 S...

Page 57: ...5V Pin 16 62 Power ON bsens L asens L YES bsens Pin 27 asens Pin 21 syspwr L Pin 70 SWVDD H Pin 44 Completes power on operation After that proceed to each source operation Source ON Load Micro ROM data Source Keys Operative YES 7 3 OPERATIONAL FLOW CHART ...

Page 58: ...1R UC 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 8 OPERATIONS ...

Page 59: ... RADIO VOLUME POWER ON OFF AM PRESET CHANNEL RECALL PRESET CHANNEL MEMORY AUTOMATIC PRESET MEMORY MANUAL TUNING UP DOWN CD FM SEEK TUNING UP DOWN 1 2 2 VOLUME POWER ON OFF TRACK SEARCH UP DOWN CD EJECT CD REVERSE FAST FORWARD REPEAT RANDOM PLAY SCAN ...

Page 60: ...60 1 2 3 4 1 2 3 4 F E D C B A DEH 2237ZF X1R UC AUDIO VOLUME POWER ON OFF AUDIO MODE SELECT CLOCK ADJUSTMENT AUDIO MODE UP DOWN BALANCE FADER TREBLE BASS MUTE CLOCK ADJUSTMENT ...

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Pioneer DEH-2237ZF X1R/UC, Service Manual

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