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27

CDX-FM1277,FM1279

1

2

3

4

1

2

3

4

D

C

B

A

E

E

IC, Q

RESET

EJECT

MAG

SIDE B

CD CORE UNIT

A

A

Summary of Contents for CDX-FM1277

Page 1: ...X1N ES CDX FM1277 X1N UC This service manual should be used together with the following manual s Model No Order No Mech Module Remarks CX 938 CRT2357 C8 CD Mech Module Circuit Description Mech Description Disassembly CONTENTS 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 3 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 12 4 PCB CONNECTION DIAGRAM 26 5 ELECTRICAL PARTS LIST 34 6 ADJUSTMENT 38 7 GEN...

Page 2: ...omplex 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 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 certai...

Page 3: ...3 CDX FM1277 FM1279 30 29 29 30 25 26 28 39 36 33 27 17 24 35 4 8 6 11 10 7 9 32 31 18 16 15 21 22 20 13 16 2 14 19 23 12 3 5 1 38 41 40 37 34 2 EXPLODED VIEWS AND PARTS LIST 2 1 PACKING ...

Page 4: ... Fastener Rough CNM4041 CNM4041 CNM4041 23 Panel CNS5428 CNS5428 CNS5428 24 Polyethylene Bag CEG1099 CEG1099 CEG1099 25 Polyethylene Bag CEG1174 CEG1174 CEG1026 26 Carton CHG4288 CHG4289 CHG4287 27 Sub Carton CHG4296 CHG4296 CHG4296 28 Contain Box CHL4288 CHL4289 CHL4287 29 Protector CHP2136 CHP2136 CHP2136 30 Protector CHP2137 CHP2137 CHP2137 31 Seal CNM5599 CNM5741 CNM5599 32 1 Installation Manu...

Page 5: ...rench CDX FM1279 X1N UC CRD3355 English French CDX FM1277 X1N ES CRD3352 English Spanish Portuguese B Arabic Installation Manual Model Part No Language CDX FM1277 X1N UC CRD3356 English French CDX FM1279 X1N UC CRD3356 English French CDX FM1277 X1N ES CRD3353 English Spanish Portuguese B Arabic ...

Page 6: ...6 CDX FM1277 FM1279 2 2 EXTERIOR ...

Page 7: ...00FZK 38 Button CAC5887 39 Cord CDE5834 40 Cover CNS5223 41 LCD LCD901 CAW1514 42 Holder CNC8062 43 Lighting Conductor CNV5594 44 Rubber CNV5599 45 Grille Unit See Contrast table 2 46 Grille Assy See Contrast table 2 47 Door See Contrast table 2 48 Door See Contrast table 2 49 Lower Case Unit See Contrast table 2 50 CD Mechanism Module C8R2 CXK4965 51 Screw IMS20P030FZK 52 Screw IMS26P040FMC 53 Tr...

Page 8: ...8 CDX FM1277 FM1279 2 3 CD MECHANISM MODULE ...

Page 9: ...43 Frame CNC7927 44 Frame CNC7928 45 Bracket CNC8355 46 Plate CNC8375 47 Cover CNC8434 48 Sheet CNM6009 49 Spacer CNM6428 50 Sheet CNM6296 51 PCB CNP5227 52 PCB CNP5228 53 Ball CNR1189 54 Gear CNR1531 55 Belt CNT1086 56 Gear CNV5472 57 Gear CNV5473 58 Rail CNV5920 59 Lever CNV6091 60 Gear CNV5477 61 Arm CNV5478 62 Holder CNV5480 63 Guide CNV5921 64 Guide CNV5922 65 Holder CNV5483 66 Holder CNV5484...

Page 10: ... Gear Unit CXB5061 95 Screw JGZ17P025FZK 96 Pickup Unit Service CXX1285 97 98 99 Screw IMS26P040FMC 100 Screw JFZ20P025FNI 101 Photo transistor Q851 PT4800 102 Spring Switch S851 S853 CSN1051 103 LED D851 CN504 2 104 Spring Switch S852 CSN1052 Mark No Description Part No ...

Page 11: ...11 CDX FM1277 FM1279 2 4 MAGAZINE ASSY 1 Magazine Assy CXB4028 2 Tray CNV5341 3 Label CRW1419 MAGAZINE ASSY SECTION PARTS LIST Mark No Description Part No ...

Page 12: ...BUSM DPDT FMIPSW 29 CDMUTE 76 PREN 88 8 5 6 20 CONT ejsw mag disk TRP DSP 11 74 75 X202 16 93MHz X701 10 00MHz IC 301 BA5986FM IC 302 LB1836M IC 604 BA4560F IC 603 BA4560F VD Q771 VDD IC 705 TC7SH32F IC 702 LC35256FT 70U SRAM IC 703 HA12187FP IP BUS DRIVER IC 701 PD5638A CN701 C 19 asensfm asens bsens reset ASENIN BSENIN ASENB 13 12 5 18 10 11 14 18 14 11 4 13 10 9 8 21 SYSPW 5 20 DISPPW 6 7 21 15...

Page 13: ...7 2MHz Q401 L402 CTC1079 Q402 TP30 Q403 Q404 2 LOUT CN401 1 BUSP1 7 LOUT 5 BUSM1 8 ASENBUS CN803 L201 CTF1333 Q802 Q803 Q805 BUP Q801 1 VD WER VD VD VD POWER 10 16 2 25 24 Q806 BUP BUP ACC GND 3 2 1 CN801 BUP IP BUS OUT 2 KYDT 3 DPDT 4 1PADD1 LCH 1 SWDACC CN802 1 3 IC 801 NJM78L06A Q804 BUP VDD B EXTENSION UNIT BATT GND FUSE 2A ACC DPDT KYDT 9 8 SI SO 2 3 KEY MATRIX LCD 901 CAW1514 IC 902 TSOP1840...

Page 14: ...LODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST 680Ω B 10kΩ B 1 12 6 13 10 4 8 VR801 CCW1024 LINEAR POSITION SENSOR M852 CXB3006 RF AMP MO 4CH S CN801 CN802 M853 CXB4421 M851 CXB3003 M854 CXB3004 CSN1052 CSN1051 CSN1051 CN504 2 PT4800 PICKUP UNIT SERVICE C MECHANISM PCB SWITCH PCB D MOTOR PCB E CXX1285 CCP1337 A1 2 C D E ...

Page 15: ...xpressed as 2 2 2R2 0 022 R022 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 between chip capacitors and discrete ca...

Page 16: ...16 CDX FM1277 FM1279 1 2 3 4 1 2 3 4 D C B A SYSTEM CONTROLLER A 1 2 A2 2 ...

Page 17: ...17 CDX FM1277 1279 5 6 7 8 5 6 7 8 D C B A SRAM IP BUS DRIVER B CN201 A2 2 ...

Page 18: ...5V div 9 CH2 TD 0 5V div Test mode 32 tracks jump REV 0 5ms div 8 CH1 TE 0 5V div 9 CH2 TD 0 5V div Test mode Single jump REV 0 5ms div 8 CH1 TE 0 5V div 9 CH2 TD 0 5V div Test mode 100 tracks jump REV 5ms div 6 CH1 FE 0 1V div 3 CH2 FD 0 2V div Normal mode Play 20ms div 3 CH1 FD 0 5V div 0 CH2 MD 1V div Normal mode Focus close 12cm 0 5s div 3 CH1 FD 0 5V div 0 CH2 MD 1V div Normal mode Focus clos...

Page 19: ...V div 5µs div Normal mode Play 8 CH1 TE 1V div CH2 TEC 1V div Test mode Focus close Tracking open 2ms div 8 CH1 TE 0 5V div 6 CH2 FE 0 5V div Normal mode AGC after focus close 0 2s div 20ms div SCKO 2V div 1µs div Normal mode Play DOUT 2V div 10µs div Normal mode Play LRCK 2V div 20µs div Normal mode Play VD 5V div 50ms div Normal mode No disc GND REFO REFO GND REFO REFO REFO REFO REFO REFO REFO R...

Page 20: ...D 0 5V div Normal mode During AGC 1 CH1 RFI 1V div CH2 HOLD 5V div Normal mode The defect part passes 800µm B D 500µs div 1ms div 0 5ms div 3 CH1 FD 1V div CH2 HOLD 5V div Normal mode The defect part passes 800µm B D 0 5ms div 9 CH1 TD 0 1V div CH2 HOLD 5V div Normal mode The defect part passes 800µm B D 0 5ms div REFO REFO REFO REFO REFO REFO REFO REFO REFO REFO REFO REFO ...

Page 21: ...21 CDX FM1277 FM1279 ...

Page 22: ...47KΩ B CN701 19kHz LPF ADD ON MODE LOOP FILTER 6V REG 3V REG 5V REG VD REGULATOR IP 8 5 1 A 2 2 22 CDX FM1277 FM1279 1 2 3 4 1 2 3 4 D C B A B 3 3 EXTENSION UNIT ...

Page 23: ...33KΩ B F CN501 G CN901 BU ACC GND FUSE 2A 1K 1 2W CEK1018 MAX AMP PILOT BUFFER AMP ILTER IP BUS B EXTENSION UNIT 8 9 10 11 5 6 7 1 2 3 4 1 2 3 4 5 23 CDX FM1277 1279 5 6 7 8 5 6 7 8 D C B A B ...

Page 24: ...24 CDX FM1277 FM1279 1 2 3 4 1 2 3 4 D C B A F 3 4 ANTENNA SELECT UNIT B CN401 F TUNER ANTENNA ANTENNA SELECT UNIT ...

Page 25: ...25 CDX FM1277 FM1279 1 2 3 4 1 2 3 4 D C B A G 3 5 DISPLAY ASSY KEY CONTROL AND LCD DRIVER B CN802 G DISPLAY ASSY ...

Page 26: ...ECTION DIAGRAM 4 1 CD CORE UNIT SIDE A CD CORE UNIT 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 Capacitor Connector P C Board Chip Part SIDE A SIDE B 2 Viewpoint of PCB diagrams A ...

Page 27: ...27 CDX FM1277 FM1279 1 2 3 4 1 2 3 4 D C B A E E IC Q RESET EJECT MAG SIDE B CD CORE UNIT A A ...

Page 28: ...28 CDX FM1277 FM1279 1 2 3 4 1 2 3 4 D C B A B 4 2 EXTENSION UNIT E E E E E IC Q ADJ A CN701 G CN901 F CN501 IP BUS MOD BAL TV CORD EXTENSION UNIT B SIDE A ...

Page 29: ...29 CDX FM1277 FM1279 1 2 3 4 1 2 3 4 D C B A B E E IC Q EXTENSION UNIT B SIDE B ...

Page 30: ...30 CDX FM1277 FM1279 1 2 3 4 1 2 3 4 D C B A 4 4 SWITCH PCB SWITCH PCB D C 4 3 MECHANISM PCB A CN101 E D MECHANISM PCB C M M854 CRG M M851 SPDL HOME TRP DSP D851 PICKUP UNIT SERVICE C D ...

Page 31: ...31 CDX FM1277 FM1279 1 2 3 4 1 2 3 4 D C B A 4 5 MOTOR PCB MOTOR PCB E F 4 6 ANTENNA SELECT UNIT E ANTENNA B CN401 TUNER ANTENNA SELECT UNIT F C ...

Page 32: ...IC Q B CN802 POWER P MODE PAUSE DISC DOWN DISC UP TRACK DOWN TRACK UP 32 CDX FM1277 FM1279 1 2 3 4 1 2 3 4 D C B A G 4 7 DISPLAY ASSY SIDE A DISPLAY ASSY G ...

Page 33: ...E E E IC Q 33 CDX FM1277 FM1279 1 2 3 4 1 2 3 4 D C B A G SIDE B DISPLAY ASSY G ...

Page 34: ...03 RS1 16S472J R 204 RS1 16S472J R 205 RS1 16S361J R 206 RS1 16S361J R 207 RS1 16S225J R 208 RS1 16S225J R 209 RS1 16S223J R 210 RS1 16S223J R 211 RS1 16S681J R 212 RS1 16S681J R 213 RS1 16S112J R 214 RS1 16S112J R 215 RS1 16S362J R 216 RS1 16S362J R 231 RS1 16S101J R 232 RS1 16S101J R 301 RS1 16S362J R 302 RS1 16S823J R 303 RS1 16S681J R 304 RS1 16S392J R 305 RS1 16S102J R 306 RS1 16S392J R 307 R...

Page 35: ...CKSRYB104K16 C 409 CCSRCH180J50 C 410 CCSRCH100D50 C 411 CCSRCH330J50 C 412 CCSRCH180J50 C 413 CCSRCK1R0C50 C 414 CKSRYB103K50 C 415 CCSRCK1R0C50 C 416 CKSRYB103K50 C 417 CKSRYB103K50 C 418 CCSRCJ3R0C50 C 419 CKSRYB103K50 C 421 CKSRYB473K16 C 422 CEAL220M16 C 801 CEAL100M16 C 802 CEAT471M16 C 803 CKSRYB224K16 C 806 CEAT471M16 C 807 CKSRYB473K16 C 808 CKSRYB103K50 C 809 CEAL220M16 C 810 CKSRYB104K1...

Page 36: ...16S473J R 730 RS1 16S473J R 731 RS1 16S222J R 732 RS1 16S683J R 733 RS1 16S222J R 734 RS1 16S473J R 735 RS1 16S222J R 736 RS1 16S103J R 737 RS1 16S433J R 738 RS1 16S104J R 739 RS1 8S1R0J R 740 RS1 8S2R0J R 741 RS1 16S102J R 742 RS1 16S104J R 743 RS1 16S104J R 744 RS1 16S223J R 747 RS1 16S472J R 750 RAB4C473J R 751 RAB4C473J R 752 RS1 16S3602D R 753 RS1 16S6801D R 754 RS1 16S221J R 755 RS1 16S104J ...

Page 37: ...SG1110 S 903 Switch CSG1110 S 904 Switch CSG1110 S 905 Switch CSG1110 S 906 Switch CSG1110 S 907 Switch CSG1110 IL 901 Lamp 14V 40mA CEL1608 IL 902 Lamp 14V 40mA CEL1608 LCD 901 LCD CAW1514 RESISTORS R 901 RS1 16S102J R 902 RS1 16S332J R 903 RS1 16S471J R 904 RS1 16S471J R 905 RS1 16S332J R 906 RS1 16S223J CAPACITORS C 901 CKSRYB473K16 C 902 CSZSR100M16 C 903 CSZSR100M16 C 904 CKSRYB104K16 C 905 C...

Page 38: ...arious 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 adjust...

Page 39: ...ove and 100TR jump operations are brought into the Tracking close sta tus when the key is released Powering Off On resets the jump mode to Single TR 91 the RF AMP gain setting to 0 dB and the auto matic adjustment value to the initial value During exchanging discs do not press the keys for the discs to be exchanged The following head units are exceptional so that their entering ways to the test mo...

Page 40: ...ay Display T Close and F T AGC and RF AGC and Fit Servo Display Power ON Not adjustment for T Offset Display Display 8 RF AMP Gain Select 8 Power OFF Power OFF Power OFF 8x 8x 8x TRK SEC MIN 9x 9x 9x TRK SEC MIN 8x 8x 8x TRK SEC MIN 9x 9x 9x TRK SEC MIN or 8x 8x 8x TRK SEC MIN 9x 9x 9x TRK SEC MIN or 00 00 00 TRK SEC MIN 99 99 99 TRK SEC MIN or 00 00 00 TRK SEC MIN 99 99 99 TRK SEC MIN or 00 00 00...

Page 41: ...RK and TRK buttons move the pickup unit to the innermost track 3 Press key 9 to close focus the display should read 91 Press key 9 2 times Enter Rough Servo mode Press key 8 to implement the tracking balance adjustment the display should now read 81 4 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 photogra...

Page 42: ...42 CDX FM1277 FM1279 Grating waveform 45 0 75 60 30 90 Echt Xch 20mV div AC Fcht Ych 20mV div AC ...

Page 43: ...scilloscope One L P F Measuring Points EREF EPVO Setting Without a magazine in Test mode With the mechanism placed upside down Place the CD mechanism module so that the CD core unit is above Confirmation Procedure 1 Enter Test mode then select Multi CD player 2 Press key 7 to enter Mechanism Test mode 3 Press key 12 twice to specify the amount of movement 6 3 ADJUSTMENT OF ELEVATION WHEN THE CD CO...

Page 44: ...ally CD core unit below Take care not to short cir cuit the PCB 11 Confirm the height of the stage Use the DISC key to select Disc No 6 Check if the stopper bend of the clamp lever is engaged in the groove of the frame stopper Fig 2 4 Note The stopper bend will be pressed downward into the groove for final clamping Confirm the engagement position of the stopper bend If the stopper bend is engaged ...

Page 45: ...ase the volt age of EREF adjusted in step 8 by 10 mV 13 Place the mechanism horizontal Go back to step 11 to reconfirm the stage height 14 When adjustment of the stage height is completed proceed as fol lows 15 Press the EJECT switch 16 Once operation of the mechanism has stopped turn the power OFF 17 Wait more than one minute after the power is turned off then turn the power ON and insert a magaz...

Page 46: ... clamp lever Frame stopper OK Engaged in the center and pressed downward NG Fig 1 Dislocated toward the first CD Adjust the insertion gate of magazine to the sixth scale Dislocated toward the twelfth CD Fig 2 Fig 3 Fig 4 E 1 2 3 4 6 5 7 8 9 B C ...

Page 47: ...scilloscope BAL 38kHz signal becomes minimum Modulation 400Hz 0dB 1 VR302 Linear Detector Spectrum Analyzer LEVEL 7 Adjustment or 135 5kHz 499Hz 0dB or Oscilloscope MOD 0 23Vpp 1 L and R are input at the same time EXTENSION UNIT L402 VR301 CN803 CN201 Antenna Plug ANTENNA SELECT UNIT ANTENNA OUT Antenna Jack Spectrum Analyzer DC Regulated Power Supply Oscilloscope FM Tuner BACK UP ACC GND BAL TV D...

Page 48: ...of the code and potential cause s 10 Electricity Carriage Home NG CRG can t be moved to inner diameter CRG can t be moved from inner diameter Failure on home switch or CRG move mechanism 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 Failure on ...

Page 49: ... is displayed These displays and functions are prepared for enhancing aging in the servicing and efficiency of trouble analysis 1 Shifting to the New Test Mode 1 Turn on the current test mode by starting the reset from the 4 and 6 keys together 2 Select M CD for the source through the specified procedure including use of the SOURCE key Then press the 12 key while maintaining the regulator turned o...

Page 50: ...g Setup Status No Contents Protective action 00 CD 5V ON process in progress None 01 Servo LSI initialization 1 3 in progress None 02 Servo LSI CRAM initialization in progress None 03 Servo LSI initialization 2 3 in progress None 04 Offset adjustment 1 3 in progress None 05 Offset adjustment 2 3 in progress None 06 Offset adjustment 3 3 in progress None 07 FZD adjustment in progress None 08 Servo ...

Page 51: ...ng is closed Off focus Carriage closing in progress 41 Focus tracking AGC started Off focus 42 Focus AGC started Off focus 43 Focus AGC in progress Off focus 44 Tracking AGC in progress Off focus 45 Standing by after focus tracking AGC are over Off focus 46 Spindle processes applicable servo Off focus 47 Check for servo close is started Off focus 48 Check of LOCK pin started Off focus or spindle n...

Page 52: ...ews 2 Remove the Upper Case Removing the CD Mechanism Module Fig 5 Remove the four dampers Remove the two springs Disconnect the connector and then remove the CD Mechanism Module Fig 6 CD Mechanism Module Fig 5 Extension Unit Removing the Door 1 Remove the Door A in the direction of arrow2 while pushing the Grille in the direction of arrow1 the slide is done as it is in the direction of arrow3 and...

Page 53: ...e carriage motor assy lighting conductor feed screw holder feed screw and belt see Fig 10 7 Remove screw B on the main side and the pickup unit together with the guide shaft see Fig 10 Fig 9 Flexible card Erect Flexible relay card han dle with care Motor PCB handle with care Short Pin Mechanism PCB Screw A Motor bracket CRG motor Screw A Feed screw holder Feed screw Guide shaft main Guide shaft su...

Page 54: ...ECTOR FUNCTION DESCRIPTION 8 9 10 11 5 6 7 1 2 3 4 1 2 3 4 5 1 SWDACC 2 KYDT 3 DPDT 4 FMIPSW 5 GND 1 BUS 2 GND 3 GND 4 NC 5 BUS 6 GND 7 LCH 8 ASENB 9 RCH 10 SGNDR 11 SGNDL 1 2 3 1 GND 2 ACC 3 BATT DISPLAY IP BUS POWER SUPPLY ANTENNA ...

Page 55: ...uter supply control 24 OPTSEL I Pull down 25 SRAMSW I H 26 FMPCB I Pull up 27 SIMUKE I L 28 NC Not used 29 IPIN I Data input from IP BUS interface IC 30 IPOUT O C Data output for IP BUS interface IC 31 DPDT O C Display data output 32 KYDT I Key data input 33 FMIPSW I FM IP BUS select switch 34 testin I Test program mode input 35 XSO O C CD LSI data output 36 XSI I CD LSI data input 37 XSCK O C CD ...

Page 56: ...lect output 90 PLCS O C PLL chip select output 91 DSP I DISC detect timing input 92 disk Disc detector input 93 ELVPVO Voltage input from ELV position sense 94 ELVREF ELV reference voltage input 95 TRP I Tray position input 96 AVSS A D GND 97 VDIN Power supply short sensor input 98 VREF I A D converter reference voltage input 99 AVCC A D VCC 100 EPCS I O C E2PROM detect input Chip select output PD...

Page 57: ...57 CDX FM1277 FM1279 7 2 2 DISPLAY CAW1514 COMMON SEGMENT ...

Page 58: ...tive Starts communication with Grille microcomputer Source ON bsens L POWER H Pin10 adena L Pin3 VD IN Pin96 1 3V VD IN 2 1V mag L DISC Search POWER L Pin10 asens Pin19 DISPPW H Pin23 POWER H Pin10 adena L Pin3 VD IN Pin96 1 3V VD IN 2 1V POWER L Stand by Error message A0 Error message A0 Start the CD player ...

Page 59: ...ting Frequencies The initial value is 89 1 MHz If your radio does not have muting there may be some noise before power switch of control unit is ON If this happens turn down the volume of the radio increase the number decrease the number 2 Press button to switch on and start the player Start the CD player Disc Number Search or or Disc Number ...

Page 60: ...enna plug To FM car radio Antenna switching unit Resistor Pass leads and cords through Pass leads and cords through D and fix in place IP BUS OUTPUT 550 cm 100 cm 540 cm 30 cm 50 cm Choke coil Cords for this product and those for other products may be different colors even if they have the same function When connecting this product to another product refer to the supplied Installation manuals of b...

Page 61: ...ulator usable frequency 87 9 88 1 88 3 88 5 88 7 88 9 89 1 89 3 89 5 89 7 89 9 90 1 MHz Backup current 1mA or less Antenna Switching unit Weight 140 g 0 3 lbs Dimensions 45 W 25 H 43 D mm 1 3 4 W 1 H 1 5 8 D in Display unit Weight 78 g 0 2 lbs Dimensions 100 W 37 H 18 D mm 3 15 16 W 1 7 16 H 5 8 D in Remote Controller unit Power source Battery CR2025 Weight including battery 15 g 0 03 lbs Dimensio...

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