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3 7 63 1515 0
Service
Manual
UNIVERSAL MULTI-CD SYSTEM
CDX-FM1277
CDX-FM1277
CDX-FM1279
- This service manual should be used together with the following manual(s):
Model No.
TE
L 13942296513
CX-938
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
Order No.
Mech. Module
CRT2357
C8
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-FM1277/X1N/UC
X1N/ES
X1N/UC
Remarks
Q Q
3
6 7
1 3
CD Mech. Module:Circuit Description, Mech. Description, Disassembly
7. GENERAL INFORMATION .......................................48
7.1 DIAGNOSIS ........................................................48
7.1.1 TEST MODE ..............................................48
7.1.2 DISASSEMBLY .........................................52
7.1.3 CONNECTOR FUNCTION DESCRIPTION54
7.2 PARTS .................................................................55
7.2.1 IC................................................................55
7.2.2 DISPLAY ....................................................57
7.3 OPERATIONAL FLOW CHART ...........................58
u163
8. OPERATIONS AND SPECIFICATIONS.....................59
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
co
K-ZZY. DEC. 2000 Printed in Japan
9 9
ORDER NO.
CRT2590
X1N/UC
2 8
9 9

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   Summary of Contents for Pioneer CDX-FM1277

  • Page 1

    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. DEC. 2000 Printed in Japan http://www.xiaoyu163.com...

  • Page 2: Safety Information

    1. SAFETY INFORMATION - CDX-FM1277/X1N/UC and CDX-FM1279/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

    CDX-FM1277,FM1279 3 7 63 1515 0 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 4

    CDX-FM1277,FM1279 3 7 63 1515 0 NOTE: - 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.

  • Page 5

    CDX-FM1277,FM1279 3 7 63 1515 0 - Owner’s Manual Model Part No. Language CDX-FM1277/X1N/UC CRD3354 English, French 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...

  • Page 6

    CDX-FM1277,FM1279 3 7 63 1515 0 2.2 EXTERIOR L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 7

    27 Jack(CN401) CKN1022 28 Plug(CN801) CKS-460 29 Connector(CN802) CKS3195 30 Connector(CN803) CKS3407 (2) CONTRAST TABLE CDX-FM1277/X1N/UC,CDX-FM1279/X1N/UC and CDX-FM1277/X1N/ES are constructed the same except for the following: Part No. Mark No. Symbol and Description CDX-FM1277/X1N/UC CDX-FM1279/X1N/UC CDX-FM1277/X1N/ES 11 Upper Case CNB2393...

  • Page 8: Http://www.xiaoyu163.com

    CDX-FM1277,FM1279 3 7 63 1515 0 2.3 CD MECHANISM MODULE L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 9

    CDX-FM1277,FM1279 3 7 63 1515 0 - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Connector CDE6069 46 Plate CNC8375 2 CD Core Unit CWX2495 47 Cover CNC8434 3 Connector(CN701)

  • Page 10

    CDX-FM1277,FM1279 3 7 63 1515 0 Mark No. Description Part No. 91 Screw JFZ20P025FMC 92 Lever Unit CXB3938 93 ••••• 94 Gear Unit CXB5061 95 Screw JGZ17P025FZK 96 Pickup Unit(Service) CXX1285 97 ••••• 98 ••••• 99 Screw IMS26P040FMC 100 Screw...

  • Page 11

    CDX-FM1277,FM1279 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 CXB4028 2 Tray CNV5341 3 Label CRW1419 http://www.xiaoyu163.com...

  • Page 12: Block Diagram And Schematic Diagram

    CDX-FM1277,FM1279 3 7 63 1515 0 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM 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

    CDX-FM1277,1279 3 7 63 1515 0 EXTENSION UNIT ANTENNA SELECT UNIT CN401 RELAY STEREO MODULATOR CN501 CN201 VR302 RY501 Q403 Q404 LOUT IC 302 CDRFIN IC 301 LOUT L201 L402 MPXOUT RF OUT CTF1333 BA4560F CTC1079 BA1404F Q301 PRE-ENPHASIS...

  • Page 14

    CDX-FM1277,FM1279 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...

  • Page 15

    CDX-FM1277,1279 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

    CDX-FM1277,FM1279 3 7 63 1515 0 SYSTEM CONTROLLER L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 17

    CDX-FM1277,1279 3 7 63 1515 0 L 13942296513 SRAM IP-BUS DRIVER u163 http://www.xiaoyu163.com...

  • Page 18

    CDX-FM1277,FM1279 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...

  • Page 19

    CDX-FM1277,FM1279 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) →...

  • Page 20

    CDX-FM1277,FM1279 3 7 63 1515 0 ( CH1: R OUT 6 CH1: FE 8 CH1: TE 2V/div. 0.2V/div. 0.2V/div. 500µs/div. 1ms/div. 1ms/div. ) CH2: L OUT 3 CH2: FD 9 CH2: TD 2V/div. 0.5V/div. 0.5V/div. Normal mode: Play (1kHz 0dB)

  • Page 21

    CDX-FM1277,FM1279 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 22

    CDX-FM1277,FM1279 3 7 63 1515 0 3.3 EXTENSION UNIT ADD ON MODE 19kHz LPF LOOP FILTER L 13942296513 6V REG. 3V REG. 5V REG. VD REGULATOR u163 http://www.xiaoyu163.com...

  • Page 23

    CDX-FM1277,1279 3 7 63 1515 0 MAX AMP PILOT BUFFER AMP 33KΩ(B) ILTER CN501 L 13942296513 EXTENSION UNIT IP-BUS 8 9 10 11 1 2 3 4 CN901 FUSE 2A CEK1018 1K(1/2W) u163 http://www.xiaoyu163.com...

  • Page 24

    CDX-FM1277,FM1279 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

    CDX-FM1277,FM1279 3 7 63 1515 0 3.5 DISPLAY ASSY L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 26: Pcb Connection Diagram

    CDX-FM1277,FM1279 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...

  • Page 27

    CDX-FM1277,FM1279 3 7 63 1515 0 SIDE B L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 28

    CDX-FM1277,FM1279 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

    CDX-FM1277,FM1279 3 7 63 1515 0 SIDE B EXTENSION UNIT IC, Q L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 30

    CDX-FM1277,FM1279 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

    CDX-FM1277,FM1279 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

    CDX-FM1277,FM1279 3 7 63 1515 0 4.7 DISPLAY ASSY SIDE A L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 33

    CDX-FM1277,FM1279 3 7 63 1515 0 SIDE B L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 34: Electrical Parts List

    CDX-FM1277,FM1279 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

    CDX-FM1277,FM1279 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...

  • Page 36

    CDX-FM1277,FM1279 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 RS1/16S104J RS1/16S681J RS1/8S1R0J...

  • Page 37

    CDX-FM1277,FM1279 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...

  • Page 38: Adjustment

    CDX-FM1277,FM1279 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

    CDX-FM1277,FM1279 3 7 63 1515 0 - 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 40

    CDX-FM1277,FM1279 3 7 63 1515 0 - Flow Chart Test Mode In Reset Sourse CD SOURCE 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...

  • Page 41

    CDX-FM1277,FM1279 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.

  • Page 42

    CDX-FM1277,FM1279 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 43

    CDX-FM1277,FM1279 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.

  • Page 44

    CDX-FM1277,FM1279 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 45

    CDX-FM1277,FM1279 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 VR802 CD, turn VR802 to the left(Fig. 2). EREF To lower the stage toward the twelfth step by 0.1 mm, reduce the...

  • Page 46

    CDX-FM1277,FM1279 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 sixth scale. Fig. 1 Engaged in the center and pressed downward.

  • Page 47

    CDX-FM1277,FM1279 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...

  • Page 48: General Information, Test Mode

    CDX-FM1277,FM1279 3 7 63 1515 0 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 TEST MODE - 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.

  • Page 49

    CDX-FM1277,FM1279 3 7 63 1515 0 Code Class Displayed error code Description of the code and potential cause(s) Mecha- An error upon MAG switch release time has time out. nism ejection Elevation time out when eject. Mecha- An error while putti- Tray in / out time has time out.

  • Page 50

    CDX-FM1277,FM1279 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.

  • Page 51

    CDX-FM1277,FM1279 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.

  • Page 52: Disassembly

    CDX-FM1277,FM1279 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.

  • Page 53

    CDX-FM1277,FM1279 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

    CDX-FM1277,FM1279 3 7 63 1515 0 7.1.3 CONNECTOR FUNCTION DESCRIPTION ANTENNA DISPLAY IP-BUS POWER SUPPLY 8 9 10 11 L 13942296513 1 2 3 4 1.GND 1.SWDACC 1.BUS+ 7.LCH 2.ACC 2.KYDT 8.ASENB 2.GND 3.BATT. 3.DPDT 9.RCH 3.GND 4.FMIPSW 10.SGNDR 4.NC...

  • Page 55: Parts

    CDX-FM1277,FM1279 7.2 PARTS 3 7 63 1515 0 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...

  • Page 56

    CDX-FM1277,FM1279 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: Display

    CDX-FM1277,FM1279 3 7 63 1515 0 7.2.2 DISPLAY - CAW1514 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 58: Operational Flow Chart

    CDX-FM1277,FM1279 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...

  • Page 59: Operations And Specifications, Start The Cd Player, Disc Number Search

    CDX-FM1277,FM1279 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 60

    CDX-FM1277,FM1279 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 61: Specifications

    CDX-FM1277,FM1279 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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Cdx-fm1279

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