Pioneer CDX-FM677/X1N/UC Servise Manual
Pioneer CDX-FM677/X1N/UC Servise Manual

Pioneer CDX-FM677/X1N/UC Servise Manual

Universal multi-cd system
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3 7 63 1515 0
Service
Manual
UNIVERSAL MULTI-CD SYSTEM
CDX-FM677
CDX-FM673
- This service manual should be used together with the following manual(s):
Model No.
CX-892
TE
L 13942296513
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................3
4. PCB CONNECTION DIAGRAM ................................26
5. ELECTRICAL PARTS LIST ........................................34
6. ADJUSTMENT..........................................................38
www
.
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER EUROPE NV
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2000
http://www.xiaoyu163.com
Order No.
Mech. Module
CRT2356
C7
x
ao
y
i
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
http://www.xiaoyu163.com
8
CDX-FM677/X1N/UC
X1N/UC
Remarks
CD Mech. Module:Circuit Description, Mech. Description, Disassembly
Q Q
3
6 7
1 3
7. GENERAL INFORMATION .......................................46
7.1 DIAGNOSIS ........................................................46
7.1.1 TEST MODE ..............................................46
7.1.2 DISASSEMBLY .........................................52
7.2 PARTS .................................................................55
7.2.1 IC................................................................55
7.2.2 DISPLAY ....................................................59
7.3 OPERATIONAL FLOW CHART ...........................60
u163
8. OPERATIONS AND SPECIFICATIONS.....................61
.
2 9
9 4
2 8
X1N/UC,ES
1 5
0 5
8
2 9
9 4
m
co
K-ZZY. NOV. 2000 Printed in Japan
9 9
ORDER NO.
CRT2588
2 8
9 9

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Summary of Contents for Pioneer CDX-FM677/X1N/UC

  • Page 1: Table Of Contents

    PIONEER ELECTRONICS SERVICE 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 C PIONEER CORPORATION 2000 K-ZZY. NOV. 2000 Printed in Japan http://www.xiaoyu163.com...
  • Page 2: Safety Information

    1. SAFETY INFORMATION - CDX-FM677/X1N/UC and CDX-FM673/X1N/UC CAUTION This service manual is intended for qualified service 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.
  • Page 3: Exploded Views And Parts List

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 4: Manual

    - Parts marked by “*”are generally unavailable because they are not in our Master Spare Parts List. ∇ mark on the product are used for disassembly. - Screws adjacent to - PACKING SECTION PARTS LIST Part No. Mark No. Description CDX-FM677/X1N/UC CDX-FM673/X1N/UC CDX-FM677/X1N/ES 1 Accessory Assy CEA2767 CEA2770...
  • Page 5: Manual

    CDX-FM677,FM673 3 7 63 1515 0 - Owner’s Manual Model Part No. Language CDX-FM677/X1N/UC CRD3323 English, French CDX-FM673/X1N/UC CRD3321 English, French CDX-FM677/X1N/ES CRD3325 English, Spanish, Portuguese(B), Arabic - Installation Manual Model Part No. Language CDX-FM677/X1N/UC CRD3324 English, French CDX-FM673/X1N/UC...
  • Page 6: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 2.2 EXTERIOR L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 7: Manual

    CKN1022 28 Plug(CN801) CKS-460 29 Connector(CN802) CKS3195 30 Connector(CN803) See Contrast table(2) (2) CONTRAST TABLE CDX-FM677/X1N/UC,CDX-FM673/X1N/UC and CDX-FM677/X1N/ES are constructed the same except for the following: Part No. Mark No. Symbol and Description CDX-FM677/X1N/UC CDX-FM673/X1N/UC CDX-FM677/X1N/ES 11 Upper Case CNB2389...
  • Page 8 http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 2.3 CD MECHANISM MODULE L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 9: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 (1) CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Connector CDE6069 46 Spacer CNM6428 2 CD Core Unit 47 Sheet CNM6296 See Contrast table(2) 3 Connector(CN701) CKS1963 48 PCB...
  • Page 10: Manual

    PT4800 CSN1051 Spring Switch(S851,S853) 99 LED(D851) CN504-2 100 Spring Switch(S852) CSN1052 (2) CONTRAST TABLE CDX-FM677/X1N/UC, CDX-FM673/X1N/UC and CDX-FM677/X1N/ES are constructed the same except for the following: Part No. Mark No. Symbol and Description CDX-FM677/X1N/UC CDX-FM673/X1N/UC CDX-FM677/X1N/ES 2 CD Core Unit...
  • Page 11: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 2.4 MAGAZINE ASSY L 13942296513 - MAGAZINE ASSY SECTION PARTS LIST Mark No. Description Part No. u163 1 Magazine Assy CXB4027 2 Label CRW1418 3 Tray CNV5341 http://www.xiaoyu163.com...
  • Page 12: Block Diagram And Schematic Diagram

    CDX-FM677,FM673 3 7 63 1515 0 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM(CDX-FM677/X1N/UC) CD CORE UNIT MECHANISM IC 603 BA4560F PICKUP UNIT (SERVICE) (P8) CN701 IC 604 LOUT CN101 BA4560F MONITOR Q771 DIODE IC 705 RF AMP, SERVO, DSP, DAC...
  • Page 13: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 EXTENSION UNIT ANTENNA SELECT UNIT RELAY CN401 STEREO MODULATOR CN201 CN501 VR302 RY501 Q403 Q404 LOUT IC 302 CDRFIN IC 301 L201 L402 LOUT MPXOUT RF OUT CTF1333 CTC1079 BA4560F BA1404F Q301 PRE-ENPHASIS Q402 TP30 IC 201...
  • Page 14: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3.2 CD MECHANISM MODULE 3 7 63 1515 0 Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. MECHANISM PICKUP UNIT(SERVICE) CXX1285 RF AMP, M854 CXB3004 M851 CXB3003 L 13942296513 SWITCH PCB CSN1051...
  • Page 15: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 NOTE : Symbol indicates a resistor. Decimal points for resistor No differentiation is made between chip resistors and and capacitor fixed values discrete resistors. are expressed as : ← Symbol indicates a capacitor. ←...
  • Page 16: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 SYSTEM CONTROLLER L 13942296513 FM677 : PD5638A FM673 : PD5639A u163 http://www.xiaoyu163.com...
  • Page 17: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 L 13942296513 SRAM IP-BUS DRIVER : FM677 model only : FM673 model only u163 http://www.xiaoyu163.com...
  • Page 18: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage REFO:2.5V - Waveforms 1 RFI 1 CH1: RFI 1 CH1: RFI 0.5V/div. 0.5µs/div. 1V/div. 1V/div. 0.5ms/div. 0.5ms/div. 2 CH2: MIRR 2 CH2: MIRR Normal mode: play 5V/div.
  • Page 19: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 8 CH1: TE 8 CH1: TE 0 MD 0.2V/div. 0.5V/div. 0.5V/div. 0.1s/div. 20ms/div. 5ms/div. 9 CH2: TD ! CH2: SD 0.2V/div. 0.5V/div. Normal mode: play TEST mode:100Tracks jump(FWD) Normal mode: Play (12cm) → REFO →...
  • Page 20: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 ( CH1: R OUT 6 CH1: FE 8 CH1: TE 2V/div. 0.2V/div. 0.2V/div. 1ms/div. 1ms/div. 500µs/div. ) CH2: L OUT 3 CH2: FD 9 CH2: TD 2V/div. 0.5V/div. 0.5V/div. Normal mode: Play (1kHz 0dB) Normal mode: During AGC Normal mode: During AGC →...
  • Page 21: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 22: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3.3 EXTENSION UNIT 3 7 63 1515 0 ADD ON MODE 19kHz LPF LOOP FILTER L 13942296513 6V REG. 3V REG. 5V REG. VD REGULATOR u163 http://www.xiaoyu163.com...
  • Page 23: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 MAX AMP PILOT BUFFER AMP 33KΩ(B) FILTER CN501 L 13942296513 EXTENSION UNIT IP-BUS 8 9 10 11 : FM677 model only 1 2 3 4 CN901 FUSE 2A CEK1018 1K(1/2W) u163 http://www.xiaoyu163.com...
  • Page 24: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 3.4 ANTENNA SELECT UNIT ANTENNA SELECT UNIT CN401 TUNER ANTENNA L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 25: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 3.5 DISPLAY ASSY L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 26: Pcb Connection Diagram

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 4. PCB CONNECTION DIAGRAM SIDE A 4.1 CD CORE UNIT M852 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.
  • Page 27: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 SIDE B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 28: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 4.2 EXTENSION UNIT SIDE A EXTENSION UNIT CN701 IC, Q ADJ L 13942296513 CORD IP-BUS CN901 CN501 u163 http://www.xiaoyu163.com...
  • Page 29: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 SIDE B EXTENSION UNIT IC, Q L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 30: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 4.3 MECHANISM PCB MECHANISM PCB PICKUP UNIT M851 (SERVICE) SPDL HOME M854 CN101 L 13942296513 4.4 SWITCH PCB SWITCH PCB D851 u163 http://www.xiaoyu163.com...
  • Page 31: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 4.5 MOTOR PCB MOTOR PCB L 13942296513 4.6 ANTENNA SELECT UNIT ANTENNA SELECT UNIT CN401 TUNER ANTENNA u163 http://www.xiaoyu163.com...
  • Page 32: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 4.7 DISPLAY ASSY SIDE A L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 33: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 SIDE B L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 34: Electrical Parts List

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 5. ELECTRICAL PARTS LIST NOTE: - Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS..) CKS.., CCS.., CSZS..
  • Page 35: Te L 13942296513

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S470J CKSRYB104K16 RAB4C471J CCSRCH180J50 RS1/16S183J CCSRCH100D50 RS1/16S822J CCSRCH330J50 RS1/16S204J CCSRCH180J50 RS1/16S913J CCSRCK1R0C50 RS1/8S391J CKSRYB103K50 RS1/16S681J CCSRCK1R0C50...
  • Page 36: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S222J RS1/16S393J RS1/16S473J RS1/16S182J RS1/16S222J RS1/16S103J RS1/16S103J RS1/16S103J RS1/16S433J RS1/16S123J (FM677 model) RS1/16S104J RS1/16S681J RS1/8S1R0J RS1/16S681J...
  • Page 37: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSRYB224K16 CAPACITORS CEV101M10 CKSRYB224K16 CKSRYB473K16 CCSRSL391J50 CSZSR100M16 CCSRSL391J50 CSZSR100M16 CKSRYB104K16 CCSRCH181J50 CKSRYB104K16 CCSRCH181J50 CCSRCH181J50 CKSRYB104K16 CCSRCH181J50...
  • Page 38: Adjustment

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 6. ADJUSTMENT 6.1 CD ADJUSTMENT - Precautions • Disc detection during tray extraction and return oper- • This unit uses a single power supply (+5V) for the reg- ations is performed by means of the photo transistor ulator.
  • Page 39: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 6.2 CHECKING THE GRATING - Checking the Grating After Changing the Pickup Unit • Note : CD mechanism modules the grating angle of the pickup unit cannot be adjusted after the pickup unit is changed. The pickup unit in the CD mechanism module is adjusted on the production line to match the CD mechanism module and is thus the best adjusted pickup unit for the CD mechanism module.
  • Page 40: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 Grating waveform Echt Xch 20mV/div, AC Fcht Ych 20mV/div, AC 0˚ 30˚ 45˚ 60˚ L 13942296513 75˚ 90˚ u163 http://www.xiaoyu163.com...
  • Page 41: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 6.3 ADJUSTMENT OF ELEVATION WHEN THE CD CORE UNIT HAS BEEN REMOVED FOR MAINTENANCE - Adjustment When Error Code 60 is Displayed Because of Malfunctioning Elevation • Note : This mechanisms is detects the height of the stage using slide-variable resistance. To absorb dislocation of the stage height caused by differences in the mechanism and the CD core unit, adjustment must be made for each CD-mechanism module using a variable resistor.
  • Page 42: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 Examples of display 4. Press key 9 to set ELV/TRAY mode to TRAY. TRACK FUNCTION 01' 02" 5. Press key FF to release the clamp and return the tray to the magazine. Release the clamp 6.
  • Page 43 http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 12. To see the amount of dislocation, place the mechanism upside-down. If the stopper bend has been dislocated in the direction of the first CD, turn VR802 to the left(Fig. 2). VR802 EREF To lower the stage toward the sixth step by 0.1 mm, reduce the volt- age of EREF (adjusted in step 8) by 20 mV.
  • Page 44: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 Stopper bend of the clamp lever Frame stopper L 13942296513 Dislocated toward the first CD. Fig. 2 Adjust the insertion gate of magazine to the third scale. Fig. 1 Engaged in the center and pressed downward. Fig.
  • Page 45: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 6.4 MODULATOR ADJUSTMENT - Connection Diagram Antenna Antenna Jack Plug Linear Detector (Spectrum Analyzer) ANTENNA SELECT ANTENNA OUT UNIT FM Tuner DC V Meter VR302 Oscilloscope VR301 L302 CN401 L 13942296513 L402 CN801 CN201 CN803 CN802...
  • Page 46: General Information

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 TEST MODE - CD Test mode • The following head units are exceptional so that their This mode is used for adjusting the CD mechanism entering ways to the test mode are different from oth- module of the device.
  • Page 47: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 - Flow Chart Test Mode In Reset SOURCE Sourse CD New test mode BAND Power ON (Adjustment for T.Offset) Power ON RF AMP Gain Select (Not adjustment for T.Offset) 00 00 00 Display 99 99 99 GG GG GG Display...
  • Page 48: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 - Error Messages If a CD is not operative or stopped during operation due to an error, the error mode is turned on and cause(s) of the error is indicated with a corresponding number. This arrangement is intended at reducing nonsense calls from the users and also for facilitating trouble analysis and repair work in servicing.
  • Page 49: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 Code Class Displayed error code Description of the code and potential cause(s) Mecha- An error upon Elevation time has time out. nism elevation Mecha- An error with an em- No disc is available. nism pty magazine inserted Remarks: Unreadable TOC does not constitute an error.
  • Page 50: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 Mechanism Test Mode (Example) BAND Back to the test mode Playing the mechanism DOWN Playing the mechanism Mechanism test mode in – TRAY/ELV select – – Operation step select Note: Eject and CD on/off is performed in the same procedure as that for the normal mode. (3) Cause of Error and Error Code Code Class Contents...
  • Page 51: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 Status No. Contents Protective action Focus search preprocessing is in None progress while focus recovery is turned on. Wait time after focus close is set up. Off focus. Standing by after focus close is over. Off focus.
  • Page 52: Disassembly

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 7.1.2 DISASSEMBLY Removing the Upper Case (not shown) 1. Remove the nine screws. 2. Remove the Upper Case. CD Mechanism Module 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.
  • Page 53: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 Door(A) 2. The slide is done in the direction of arrow5 and remove the Door(B) while spread out the Door(A) in the Door(B) direction of arrow4. (Fig.8) *) The illustration of the text for 12-Disc type but disas- sembling method is the same for 6-Disc type.
  • Page 54: Connector Function Description54

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 7.1.3 CONNECTOR FUNCTION DESCRIPTION ANTENNA DISPLAY IP-BUS POWER SUPPLY 8 9 10 11 1 2 3 4 L 13942296513 1.GND 1.SWDACC 7.LCH 1.BUS+ 2.ACC 2.KYDT 8.ASENB 2.GND 3.BATT. 3.DPDT 9.RCH 3.GND 4.FMIPSW 10.SGNDR 4.NC 5.GND 11.SGNDL...
  • Page 55: Parts

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 7.2 PARTS 7.2.1 IC - Pin Functions (PD5638A) Pin No. Pin Name Format Function and Operation PLDT PLL data output PLCK PLL clock output adena A/D reference voltage output TXTSTB TEXT parameter output TXTSO TEXT control parameter serial output TXTSI...
  • Page 56: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 Pin No. Pin Name Format Function and Operation SRAM address bus output 65–68 A6-A3 SRAM address bus output SRAM address bus output A2 & (EPSK) SRAM address bus output and (E2PROM clock output) A1 &...
  • Page 57: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 - Pin Functions (PD5639A) Pin No. Pin Name Format Function and Operation PLDT PLL data output PLCK PLL clock output adena A/D reference voltage output 4–7 Not used BYTE VCC joint CNVSS VSS joint POWER CD +5V control output CONT...
  • Page 58: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 Pin No. Pin Name Format Function and Operation disk Disc detector input ELVPVO Voltage input from ELV position sense ELVREF ELV reference voltage input Tray position input AVSS A/D GND VDIN Power supply short sensor input VREF A/D converter reference voltage input AVCC...
  • Page 59: Display

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 7.2.2 DISPLAY - CAW1514 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 60: Operational Flow Chart

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 7.3 OPERATIONAL FLOW CHART BATT ON VDD=5V Pin16 bsens Pin18 bsens=L POWER←H Pin10 adena←L Pin3 VD IN Error message "A0" Pin96 1.3V VD IN 2.1V POWER←L Pin75 Stand-by mag=L L 13942296513 DISC Search POWER←L Pin10 asens Pin19...
  • Page 61: Operations And Specifications

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS Start the CD player 1. Switch the radio on and tune to Modulating 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.
  • Page 62: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 63: Manual

    http://www.xiaoyu163.com CDX-FM677,FM673 3 7 63 1515 0 8.2 SPECIFICATIONS CD Player unit Antenna Switching unit Remote Controller unit System ... Compact disc audio system Weight ........140 g (0.3 lbs) Power source Usable discs ......Compact Disc Dimensions ........Battery (CR2025) ......

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