Pioneer DEH-2400F Service Manual Download Page 1

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PIONEER CORPORATION

4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS (USA) INC.

P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.

PIONEER EUROPE NV

Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE.LTD.

253 Alexandra Road, #04-01, Singapore 159936

PIONEER CORPORATION 2001

K-ZZD. NOV. 2001 Printed in Japan

ORDER NO.

CRT2757

HIGH POWER CD PLAYER WITH FM/AM TUNER

DEH-240F

XN/UC

Service
Manual

DEH-240F/XN/UC

CONTENTS

1. SAFETY INFORMATION ............................................3

2. EXPLODED VIEWS AND PARTS LIST .......................4

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10

4. PCB CONNECTION DIAGRAM ................................24

5. ELECTRICAL PARTS LIST ........................................32

6. ADJUSTMENT..........................................................37

7. GENERAL INFORMATION .......................................41

7.1 DIAGNOSIS ........................................................41

7.1.1 DISASSEMBLY .........................................41

7.1.2

CONNECTOR FUNCTION DESCRIPTION

.......44

7.2 PARTS .................................................................45

7.2.1 IC................................................................45

7.2.2 DISPLAY ....................................................53

7.3 OPERATIONAL FLOW CHART ...........................54

7.4 CLEANING ..........................................................55

8. OPERATIONS AND SPECIFICATIONS.....................56

This service manual should be used together with the following manual(s):

Model No.

Order No.

Mech. Module Remarks

CX-977

CRT2624

CD Mech. Module:Circuit Description, Mech.Description, Disassembly

DEH-2400F

XN/UC

DEH-24F

XN/UC

For details, refer to "Important symbols for good services" on the next page.

Summary of Contents for DEH-2400F

Page 1: ...TION 3 2 EXPLODED VIEWS AND PARTS LIST 4 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 10 4 PCB CONNECTION DIAGRAM 24 5 ELECTRICAL PARTS LIST 32 6 ADJUSTMENT 37 7 GENERAL INFORMATION 41 7 1 DIAGNOSIS 41 7 1 1 DISASSEMBLY 41 7 1 2 CONNECTOR FUNCTION DESCRIPTION 44 7 2 PARTS 45 7 2 1 IC 45 7 2 2 DISPLAY 53 7 3 OPERATIONAL FLOW CHART 54 7 4 CLEANING 55 8 OPERATIONS AND SPECIFICATIONS 56 This service manual s...

Page 2: ...ance 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 per...

Page 3: ...d 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 WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of Cal...

Page 4: ...4 DEH 240F 2400F 24F 2 EXPLODED VIEWS AND PARTS LIST 2 1 PACKING 18 21 22 16 15 12 14 13 2 17 1 4 10 3 11 7 8 5 9 6 ...

Page 5: ...table 2 1 3 Card See Contrast table 2 1 4 Warranty Card See Contrast table 2 1 5 Polyethylene Bag CEG1116 2 Cord Assy CDE6468 3 Spring CBH1650 4 Screw Assy CEA2796 5 Screw CBA1002 6 Polyethylene Bag CEG 127 7 Screw CRZ50P090FMC 8 Screw TRZ50P080FMC 9 Polyethylene Bag CEG 158 10 Handle CNC5395 11 Bush CNV3930 12 Polyethylene Bag CEG1173 13 Carton See Contrast table 2 14 Contain Box See Contrast tab...

Page 6: ...6 DEH 240F 2400F 24F A B C 2 2 EXTERIOR ...

Page 7: ...50 Holder Unit CXB6357 51 Clutch Unit CXB6358 52 Screw IMS20P045FZK 53 Detach Grille Assy See Contrast table 2 54 Screw BPZ20P100FZK 55 Button 1 6 CAC7225 56 Button OPEN CAC7227 57 Button LOUD CAC7229 58 Button EQ CAC7231 59 Button CLOCK CAC7233 60 Button AUDIO CAC7234 61 Button LOCAL CAC7235 62 Button BSM CAC7236 63 Knob CAC7527 64 Spring CBH2430 65 Spring CBH2431 66 Spring CBH2630 67 Cover CNS67...

Page 8: ...8 DEH 240F 2400F 24F D GEM1035 UD321BR 2 3 CD MECHANISM MODULE ...

Page 9: ...CNC9123 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 Da...

Page 10: ... AMRF FMRF IMG ADJ RF ADJ X901 10 25MHz ANT ADJ LOCL 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 ...

Page 11: ...UTE Q921 KEYBOARD UNIT CN1901 CN750 LCD 20 18 Q750 RESET IC 603 S 80834ANY VDD 1 2 SYSPW 6 B REM FUSE 10A N NT NS 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 B REM ACC GND C PCE1 PCK PCE2 ANTIN 52 KYDT DPDT SW5V KEY CONTROL LCD DRIVER 2 1 10 12 9 11 3 6 SYSPW Q910 Q911 B U VCC Q912 RESET IC 603 S 80834ANY 1 2 VCC REGULATOR VDD REGULATOR 14 11 ...

Page 12: ...ide page Detailed page A FM 100 19 5dBs AM 30 30dBs D CONTROL UNIT FM AM TUNER UNIT A A C KEYBOARD UNIT B PANEL UNIT 183 183 162 162 272 272 104 393 CSS1023 4 194MHz 0R0 R791 DSENS EJECT 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 Capacitors Code Practical value...

Page 13: ...s CD 10 2dBs CD 9 4dBs FM 100 29 6dBs AM 30 19 1dBs CD 36 2dBs A TUNER AMP UNIT RR RR FR FR FL FL RL RL ACC GND B REM BACK UP CEK1136 10A RR RL PRE OUT 600µH EM CONTROLLER MUTE POWER AMP VOLUME VDD REGULATOR SYS B REGULATOR BACK UP SENSE ACC SENSE B REMOTE VCC REGULATOR A b ...

Page 14: ...14 DEH 240F 2400F 24F A 1 2 3 4 B C D 1 2 3 4 A a A a A b FM 100 19 5dBs AM 30 30dBs FM AM TUNER UNIT 183 183 162 162 272 272 3 CSS1023 4 194MHz 0R0 R791 ANTENNA JACK SYSTEM CO ELECTRONIC VOLU 1 ...

Page 15: ... PANEL UNIT 104 393 DSENS EJECT 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 Capacitors Code Practical value 103 0 01uF 101 10 100uF 10V 6 5 2 3 4 7 A a B ...

Page 16: ... 2400F 24F A 1 2 3 4 B C D 1 2 3 4 A a A b A b 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 TUNER AMP UNIT RR RL PRE OUT 600µH TEM CONTROLLER MUTE POWER AMP C VOLUME 1 ...

Page 17: ... 5 6 7 8 A B C D 5 6 7 8 A b A a A b FM 100 29 6dBs AM 30 19 1dBs CD 36 2dBs RR RR FR FR FL FL RL RL ACC GND B REM BACK UP CEK1136 10A VDD REGULATOR SYS B REGULATOR BACK UP SENSE ACC SENSE B REMOTE VCC REGULATOR 6 5 2 3 4 7 ...

Page 18: ... 1 2 3 4 3 3 KEYBOARD UNIT CLOC LCD 5 DEH 340 XN UC DEH 3400 XN UC SML 310PT CSG1107 CSG1107 CSG1107 CAW1724 D1919 1920 S1900 S1901 1906 S1908 1916 LCD DEH 34 XN UC SML 310DT CSG1133 CSG1117 CSG1117 CAW1719 KEY CONTROL AND DISPLAY DRIVER C ...

Page 19: ...DEH 240F 2400F 24F 5 6 7 8 A B C D 5 6 7 8 19 B CN1951 C KEYBOARD UNIT CLOCK LOUD BSM NSSW440 9159 NSSW440 9159 VOLUME 5 EQ 3 2 SOURCE 1 4 6 BAND AUDIO LOCAL CSG1111 CSG1111 CSD1077 C ...

Page 20: ...20 DEH 240F 2400F 24F A 1 2 3 4 B C D 1 2 3 4 3 4 CD MECHANISM MODULE D M1 CXB6007 M2 CXB5903 LOADING CARRIAGE SPINDLE RF AMP S ACT MOTOR DRIVER 5V REGULATOR CN101 D CONTROL UNIT PICKUP UNIT SERVICE P9 ...

Page 21: ...701 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 22: ... 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 div During Play...

Page 23: ...H1 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 dots 800µm 500µ...

Page 24: ...for several destination For further information for respective destinations be sure to check with the schematic dia gram 2 Viewpoint of PCB diagrams 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 DSENS A A TUNER AMP UNIT C CN701 CORD ASSY 4 PCB CONNECTION DIAGRAM 4 1 TUNER AMP UNIT ...

Page 25: ...DEH 240F 2400F 24F 5 6 7 8 A B C D 5 6 7 8 25 A 1 3 4 5 6 7 8 2 ANTENNA JACK PRE OUT FL FR RL RR B CN1950 SSY FM AM TUNER UNIT FRONT SIDE A ...

Page 26: ...26 DEH 240F 2400F 24F 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 27: ...DEH 240F 2400F 24F 5 6 7 8 A B C D 5 6 7 8 27 4 6 3 1 4 6 3 1 4 6 3 1 A SIDE B A ...

Page 28: ...28 DEH 240F 2400F 24F A 1 2 3 4 B C D 1 2 3 4 B PANEL UNIT B PANEL UNIT A CN750 EJECT 1 3 5 7 9 11 2 4 6 8 1012 C CN1901 4 2 PANEL UNIT B SIDE B ...

Page 29: ...0F 2400F 24F 1 2 3 4 A B C D 1 2 3 4 29 1 3 5 7 9 11 2 4 6 8 10 12 AUDIO BAND LOUD 6 5 4 3 2 1 SOURCE VOLUME CLOCK EQ LCD B CN1951 C LOCAL C KEYBOARD UNIT C KEYBOARD UNIT BSM 4 3 KEYBOARD UNIT SIDE A SIDE B C ...

Page 30: ...30 DEH 240F 2400F 24F A 1 2 3 4 B C D 1 2 3 4 E F VREF HOME 12EJ DSCSNS 4 4 CD MECHANISM MODULE CONTROL UNIT SIDE A D D M2 LOADING CARRIAGE MOTOR M1 SPINDLE MOTOR PICKUP UNIT SERVICE P9 CN501 A ...

Page 31: ...DEH 240F 2400F 24F 1 2 3 4 A B C D 1 2 3 4 31 CLAMP 8EJ SIDE B CONTROL UNIT D D ...

Page 32: ... D 912 Diode S5688G D 913 Diode HZS7L C2 D 914 Diode HZS7L A1 D 919 Diode S5688G D 920 Diode S5688G D 921 Diode DAN202U 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 ...

Page 33: ...04J R 920 RS1 16S473J R 921 RS1 16S103J R 922 RS1 16S473J R 923 RD1 4PU102J R 924 RS1 16S472J R 927 RS1 16S102J R 928 RS1 16S473J R 929 RS1 16S0R0J R 930 RS1 16S0R0J R 931 RS1 16S0R0J R 937 RS1 16S152J R 939 RS1 16S0R0J CAPACITORS C 307 CEJQ470M10 C 308 CEJQ100M16 C 309 CKSRYB104K25 C 310 CKSRYB105K6R3 C 311 CKSRYB104K25 C 312 CKSRYB104K25 C 313 CKSRYB105K6R3 C 314 CEJQ4R7M35 C 315 CEJQ4R7M35 C 31...

Page 34: ...939 RS1 16S151J R 1941 RS1 16S121J R 1942 RS1 16S151J R 1943 RS1 16S151J R 1950 RS1 16S104J R 1954 RS1 16S151J R 1955 RS1 16S181J R 1956 RS1 16S181J R 1957 RS1 16S181J R 1958 RS1 16S151J R 1959 RS1 16S181J R 1960 RS1 16S151J R 1961 RS1 16S181J R 1962 RS1 16S181J R 1963 RS1 16S121J R 1964 RS1 16S121J R 1970 RS1 16S181J R 1971 RS1 16S151J R 1972 RS1 16S181J CAPACITORS C 1902 CKSRYB104K25 C 1923 CKSQ...

Page 35: ...101 RS1 16S222J R 102 RS1 8S120J R 103 RS1 8S100J R 201 RS1 16S513J R 202 RS1 16S513J R 203 RS1 16S823J R 204 RS1 16S823J R 206 RS1 16S823J R 208 RS1 16S124J R 209 RS1 16S183J R 210 RS1 16S153J R 211 RS1 16S103J R 212 RS1 16S103J R 213 RS1 16S124J R 215 RS1 16S0R0J R 216 RS1 16S471J R 301 RS1 16S333J R 302 RS1 16S332J R 303 RS1 16S332J R 304 RS1 16S514J R 306 RS1 16S102J R 307 RS1 16S102J R 312 RS...

Page 36: ...20 CCSRCH470J50 C 325 CKSRYB471K50 C 328 CKSRYB472K50 C 329 CKSRYB104K16 C 330 CKSRYB104K16 C 331 CKSRYB104K16 C 401 CKSRYB221K50 C 402 CKSRYB221K50 C 403 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 CXX1480 M 1 Motor Unit SPINDLE CXB6007 M 2 Motor Unit...

Page 37: ...us 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...

Page 38: ...ing 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 changi...

Page 39: ...39 DEH 240F 2400F 24F Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...

Page 40: ... 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 found Turned ove...

Page 41: ...bs at three locations indicated Remove the screw and then remove the Tuner Amp Unit Removing the Case not shown 1 Remove the Case Removing the Panel Assy Fig 1 Remove the two screws 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 42: ...r 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 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 t...

Page 43: ...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 Pickup unit C...

Page 44: ...240F 2400F 24F 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 44 ...

Page 45: ...t output 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 contr...

Page 46: ... power supply terminal 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 IC s marked by are MOS type Be careful in handling them b...

Page 47: ...input 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 segme...

Page 48: ...ing 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 te...

Page 49: ...e bit 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 frequ...

Page 50: ...y terminal 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 powe...

Page 51: ...in for 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...

Page 52: ...ulled 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 ...

Page 53: ...36 1 COM1B COM2E COM3B COM2D COM3A COM2C COM0A COM2B COM1A COM2A COM0B COM1B COM2E COM3B COM2D COM3A COM2C COM0A COM2B COM1A COM2A COMMON SEGMENT 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 51 7 2 2 DISPLAY CAW1724 DEH 240F XN UC DEH 2400F XN UC CAW1719 DEH 24F XN UC ...

Page 54: ...ed 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 CSENS Pin 80 2V CSENS 4V CSENS 2V 3V CSENS Source returns to the original one before you open CD loading functions are available Keys excep...

Page 55: ... 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 56: ...rd reverse and track search controls Also used for controlling functions 6 LOUDNESS button Press to switch loudness function on or off 7 BAND button Press to select among three FM and one AM band and cancel the control mode of functions 8 1 6 PRESET TUNING buttons Press for preset tuning 9 SOURCE button This unit is switched on by selecting a source Press to cycle through all of the available sour...

Page 57: ...3 4 1 Press SOURCE to select the tuner 2 Use VOLUME to adjust the sound level Rotate to increase or decrease the volume 3 Press BAND to select a band Press BAND until the desired band is dis played F1 F2 F3 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 3 for about one second and rele...

Page 58: ...tomati cally cancelled Pausing CD playback Pause lets you temporarily stop playback of the CD 1 Press 6 to turn pause on PAUSE appears in the display Play of the current track pauses 2 Press 6 to turn pause off Play will resume at the same point that you turned pause on Introduction of audio adjust ments 1 AUDIO display Shows the audio adjustments status 2 LOUD indicator Appears in the display whe...

Page 59: ...sting loudness Loudness compensates for deficiencies in the low and high sound ranges at low vol ume 1 Press AUDIO to select LOUD Press AUDIO until LOUD appears in the dis play 2 Select LOUD on or off with 5 3 Select the desired level with 2 3 LOW low MID mid HI high Note You can also switch LOUD on or off by pressing the LOUDNESS Front image enhancer FIE The F I E Front Image Enhancer function is...

Page 60: ...ck 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 termina...

Page 61: ...IGH 11 dB 100 Hz 11dB 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...

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