Pioneer DEH-P26 Service Manual
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Pioneer DEH-P26 Service Manual

Pioneer DEH-P26 Service Manual

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See also: Operating Manual , Installation Manual
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3 7 63 1515 0
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER
DEH-P26
DEH-P2600
DEH-P2650
This service manual should be used together with the following manual(s):
TE
L 13942296513
Model No.
CX-3110
CRT3178
www
For details, refer to "Important symbols for good services".
.
PIONEER CORPORATION
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 2003
http://www.xiaoyu163.com
Order No.
Mech.Module
S10.1
x
ao
u163
y
i
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
http://www.xiaoyu163.com
2 9
8
DEH-P26/XM/UC
/XM/UC
/XM/ES
Q Q
3
6 7
1 3
1 5
CD Mech. Module:Circuit Description, Mech. Description, Disassembly
co
.
9 4
2 8
ORDER NO.
CRT3169
/XM/UC
0 5
8
2 9
9 4
2 8
Remarks
m
K-ZZW. NOV. 2003 printed in Japan
9 9
9 9

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  • Page 1 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 2003 K-ZZW.

  • Page 2: Safety Information

    ICs inside the unit. 2. To protect the pickup unit from electrostatic dis- charge during serviving, take an appropriate treat- L 13942296513 ment(shorting-solder) by referring to "the DISAS- SEMBLY" on page 50. u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 3 By following the instructions in this manual, be sure to apply the prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed ones should be used. L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 4: Table Of Contents

    7.1 DIAGNOSIS ............................. 50 7.1.1 DISASSEMBLY ............................. 50 7.1.2 CONNECTOR FUNCTION DESCRIPTION ..................53 7.2 PARTS..............................54 7.2.1 IC ................................54 7.2.2 DISPLAY ............................... 61 7.3 OPERATIONAL FLOW CHART ....................... 64 7.4 CLEANING............................... 65 L 13942296513 8. OPERATIONS ..............................66 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 5: Specifications

    1. SPECIFICATIONS 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 6 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 7 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 8: Exploded Views And Parts List

    See Contrast table(2) Handle CNC5395 21-6 Caution Card See Contrast table(2) Holder See Contrast table(2) Case Assy See Contrast table(2) Holder See Contrast table(2) Remote Control Unit CXC3173 Bush CNV3930 Inner Box XHW7001 Polyethylene Bag See Contrast table(2) DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 9 (2) CONTRAST TABLE 3 7 63 1515 0 DEH-P26/XM/UC, DEH-P2600/XM/UC and DEH-P2650/XM/ES are constructed the same except for the following: Parts No. Mark No. Symbol and Description DEH-P26/XM/UC DEH-P2600/XM/UC DEH-P2650/XM/ES Accessory Assy CEA3376 CEA3376 CEA3439 CEA3848 CEA3848 CEA3849 Screw Assy...

  • Page 10: Exterior

    2.2 EXTERIOR 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 11 Chassis Unit CXB9528 ••••• Remote Control Unit CXC3173 Lighting Conductor XNV7012 Cover CNS7068 Button(CLOCK) See Contrast table(2) CD Mechanism Module(S10) CXK5602 Screw ISS26P055FTC u163 Cable CDE7188 Tuner Amp Unit See Contrast table(2) Screw ASZ26P060FTC Screw BPZ26P080FTC Screw BSZ26P160FTC DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 12 (2) CONTRAST TABLE 3 7 63 1515 0 DEH-P26/XM/UC, DEH-P2600/XM/UC and DEH-P2650/XM/ES are constructed the same except for the following: Parts No. DEH-P26/XM/UC DEH-P2600/XM/UC Mark No. Symbol and Description DEH-P2650/XM/ES Panel XNS7070 XNS7070 CNS6935 Tuner Amp Unit XWM7026 XWM7026...
  • Page 13 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 14: Cd Mechanism Module

    2.3 CD MECHANISM MODULE 3 7 63 1515 0 L 13942296513 1GEM1024 2GEM1045 3GEM1035 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 15 CND1895 Screw JGZ17P022FTC CNC9968 ••••• CND1909 Washer YE20FTC Lever CND2032 Pickup Unit(P10)(Service) CXX1641 Lever CNC9984 Screw IMS26P030FTC Sheet CNM8134 Spring CBL1635 Collar CNV7798 Clamper CNV7197 Guide CNV7799 CNV7800 u163 Rack CNV7199 Holder CNV7201 Holder CNV7202 CNV7203 Gear CNV7207 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 16: Block Diagram And Schematic Diagram

    SPINDLE CONT DRIVER FLPILM MOTOR HOME UPD63712AGC DSCSNS ejectin CLAMPSW LCOM LOADING/ CARRIAGE LOEJ MOTOR LCOP LOEJ CONT CONT IC 301 BA5835FP DSCSNS CLMP Q752 CLAMP 12EJ DSCSNS 3.3V REGULATOR 3R3V IC 701 Q751 NJM2391DL1-33 DETACH SENSE u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 17 CN1901 Q961 BL+B Q962 Q971 SWDVDD SWVDD REMOTE CONTROL SENSOR IC 1902 OPT IN DPDT DPDT RS-140 S831 KEY MATRIX KEY DATA DETACH SENSE DPDT LCD DRIVER/ u163 KYDT KYDT KEY CONTROLLER IC 1901 KTDT PD6340A CN1951 CN1950 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 18: Overall Connection Diagram(Guide Page)

    12k ohms 0.01uF 10k ohms 101/10 100uF/10V Detailed page 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. DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 19 CD : 9.3dBs IP-BUS : 9.5dBs > L 13942296513 CEK1208 600µH > FM : 31.6dBs AM : 21.1dBs CD : 36.1dBs IP-BUS : 36.3dBs DETACH SENSE : UC model only : ES model only WIRED u163 REMOTE CONTROL DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 20 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 21 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 22 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 23 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 24: Keyboard Unit

    3.3 KEYBOARD UNIT 3 7 63 1515 0 L 13942296513 SRC-OFF DEH-P26/XM/UC CL-195SR-CD CSG1133 CSG1135 CAW1760 u163 DEH-P2600/XM/UC CL-195PG-CD CSG1107 CSG1112 CAW1759 DEH-P2650/XM/ES CL-195PG-CD CSG1107 CSG1112 CAW1764 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 25 3 7 63 1515 0 KEYBOARD UNIT VOLUME SCRL L 13942296513 SRC-OFF u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 26: Cd Mechanism Module

    3.4 CD MECHANISM MODULE 3 7 63 1515 0 PICKUP UNIT(P10)(SERVICE) L 13942296513 MOTOR DRIVER CXB6007 SPINDLE MOTOR CXB8933 LOADING/CARRIAGE MOTOR BA5835FP u163 3.3V REGULATOR DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 27 SPINDLE SERVO LINE SWITCHES: CD CORE UNIT (S10) S901 : HOME SWITCH..ON-OFF S902 : CLAMP SWITCH..ON-OFF L 13942296513 S903 : DSCSNS SWITCH..ON-OFF S904 : 12EJ SWITCH....ON-OFF S905 : 8EJ SWITCH....ON-OFF The underlined indicates the switch position. CN721 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 28 200ms/div 500mV/div 2ms/div 1V/div 500µs/div ! FE # RFAGC 0 TE 500mV/div 500mV/div 500mV/div 7 TIN 500mV/div Focus Search When "Tracking Open" 1 Track Jump Ref.: Ref.: Ref.: REFO REFO REFO Mode: Mode: Mode: u163 TEST TEST TEST DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 29 5V/div 200ms/div 5V/div 200ms/div % ROUT 2 CLCONT 2 CLCONT 1V/div 5V/div 5V/div 3 LOEJ 3 LOEJ 5V/div 5V/div Analog Audio When "Eject"(12cm CD) When "Eject"(8cm CD) Ref.: Ref.: Ref.: AGND Mode: Mode: Mode: Normal Normal Normal u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 30: Pcb Connection Diagram

    For further information for WIRED respective destinations, be sure REMOTE to check with the schematic dia- CONTROL gram. 2.Viewpoint of PCB diagrams Capacitor Connector IP-BUS SIDE A SIDE B P.C.Board Chip Part L 13942296513 CN701 u163 DETACH SENSE DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 31 3 7 63 1515 0 SIDE A CORD ASSY ANTENNA L 13942296513 u163 CN1950 FRONT DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 32 3 7 63 1515 0 TUNER AMP UNIT L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 33 3 7 63 1515 0 SIDE B L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 34: Panel Unit

    4.2 PANEL UNIT 3 7 63 1515 0 SIDE A PANEL UNIT CN1901 EJECT L 13942296513 SIDE B PANEL UNIT CN831 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 35: Keyboard Unit

    4.3 KEYBOARD UNIT 3 7 63 1515 0 SIDE B KEYBOARD UNIT SIDE A KEYBOARD UNIT FUNC AUDIO CN1951 LOUD BAND L 13942296513 PAUSE VOLUME CLOCK u163 SRC-OFF SCRL DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 36: Cd Core Unit(S10)

    4.4 CD CORE UNIT(S10) 3 7 63 1515 0 CD CORE UNIT(S10) SIDE A LOADING /CARRIAGE MOTOR SPINDLE MOTOR L 13942296513 CN721 HOME u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 37 3 7 63 1515 0 CD CORE UNIT(S10) SIDE B 12EJ DSCSNS CLAMP L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 38: Electrical Parts List

    D 982 Diode MPG06G-6415G50 L 131 Inductor LACU2R2K L 401 Inductor LACU4R7K L 404 Inductor LACU1R0K Unit Number:XWM7026 (DEH-P26,DEH-P2600) L 601 Inductor LACU2R2K :XWM7027(DEH-P2650) Unit Name:Tuner Amp Unit L 971 Inductor LACU2R2K L 981 Choke Coil 600µH CTH1291 X 601 Radiator 12.58291MHz...
  • Page 39 RS1/16S102J R 605 RS1/16S102J R 847 RS1/16S102J R 606 RS1/16S473J R 848 RS1/16S104J R 607 RS1/16S104J R 849 RS1/16S473J R 609 (DEH-P26,DEH-P2600) RS1/16S103J R 901 RD1/4PU221J R 615 (DEH-P26,DEH-P2600) RS1/16S103J R 902 RS1/16S223J R 617 (DEH-P2650) RS1/16S104J R 903 RS1/16S821J...
  • Page 40 RS1/16S181J C 962 CKSRYB103K50 R 1919 RS1/16S181J C 972 CKSRYB104K25 R 1920 RS1/16S181J R 1921 RS1/16S181J R 1922 RS1/16S181J Unit Number:XWM7035(DEH-P26) R 1923 RS1/16S181J R 1925 RS1/16S181J Unit Name:Keyboard Unit R 1926 RS1/16S181J MISCELLANEOUS R 1927 RS1/16S181J R 1928 RS1/16S181J...
  • Page 41 S 1917 Switch CSG1107 D 1900 Diode DAN202U S 1918 Switch CSG1107 D 1901 Diode DAP202U S 1960 Encoder(VOLUME) XSD7001 D 1915 CL-195PG-CD S 1961 Push Switch CSG1111 D 1918 CL-195PG-CD CAW1759 D 1919 CL-195PG-CD D 1921 CL-195PG-CD DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 42 RS1/16S181J u163 R 1930 RS1/16S181J R 101 RS1/10S1R5J R 1931 RS1/16S181J R 102 RS1/10S1R5J R 103 RS1/10S1R5J R 1932 RS1/16S181J R 104 RS1/10S1R5J R 1933 RS1/16S181J R 105 RS1/10S1R5J R 1934 RS1/16S181J R 1935 RS1/16S181J R 201 RS1/16S102J DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 43 C 205 22µF/6.3V CCH1507 C 206 CKSRYB103K25 C 207 CKSRYB104K16 C 209 CKSRYB104K16 C 210 CKSRYB104K16 C 211 CKSRYB104K16 C 212 CKSRYB104K16 u163 C 213 CKSRYB332K50 C 214 CKSRYB473K25 C 215 CKSRYB104K16 C 216 CKSRYB103K25 C 217 CCSRCH560J50 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 44: Adjustment

    • The load and eject operation is not guarantied with the mechanism upside down. If the mechanism is blocked due to mistaken eject operation, reset the product or turn off and on the ACC to restore it. u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 45 *7) TRK/MIN/SEC → F.AGC → T.AGC Gain → F.bias → RF AGC SPDL 1X / 2X switching (Double-speed compatibility only) *8) CRG motor voltage = 2[V] Gop measurement Forcus Mode switching / Tracking Close / CRG, TR Jump switching u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 46: Checking The Grating After Changing The Pickup Unit

    Because of eccentricity in the disc and a slight misalignment of the clamping center the grating waveform may be seen to "wobble" ( the phase difference changes as the disc rotates). The angle specified above indicates the average angle. • Hint u163 Reloading the disc changes the clamp position and may decrease the "wobble". DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 47 3 7 63 1515 0 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° L 13942296513 75° 90° u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 48: Error Mode

    Remarks: Mechanical errors are not displayed (because a CD is turned off in these errors). Unreadable TOC does not constitute an error. An intended operation continues in this case. Upper digits of an error code are subdivided as shown below: 1x: Setup relevant errors, 3x: Search relevant errors, Ax: Other errors. u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 49: System Microcomputer Test Program

    The frequency of the clock signal is 786.432kHz that is one 4th of the fundamental frequency. The clock signal should be 786.432kHz ± 32Hz. If the clock signal is out of the range, the X'tal (X601) should be replaced with new one. L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 50: General Information

    Removing the Tuner Amp Unit (Fig.2) Remove the screw and then remove the Holder. Remove the three screws. Remove the screw. Straighten the tabs at three locations indicated. Remove the screw and then remove the Tuner Amp Unit. u163 Tuner Amp Unit Fig.2 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 51 L 13942296513 Caution: Before installing the carriage mechanism in the frames, be sure to apply some alcohol to the dampers and set the mechanism to the clamp mode. Carriage Mechanism Damper Lower Frame Damper Damper u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 52 Caution: In assembling, move the planet gear to the load/eject position before setting the feed screw in the inner holder. Washer Pickup Lock Arm Change Arm Styling Holder L 13942296513 Feed Screw Inner Holder Planet Gear u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 53: Connector Function Description

    7.1.2 CONNECTOR FUNCTION DESCRIPTION 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 54: Parts

    Clamp SW input VDCONT CD : VD power control output xsck CD LSI clock output CD LSI data input u163 CD LSI data output CD LSI command/data control output xrst CD LSI reset control output xstb CD LSI strobe output DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 55 PLL chip enable output L 13942296513 Beep tone output * PE5405A IC's marked by * are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. Format Meaning CMOS BD4834G Vref u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 56 KYDT Key data output MODA Crystal oscillator connection pin Crystal oscillator connection pin 25,26 KDT2,3 Key data input 27,28 KST5,4 Key strobe output 29-55 SEG39-13 LCD segment output Power supply 57-64 SEG12-5 LCD segment output * PD6340A u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 57 Output of focus drive PWM Output of tracking drive PWM Output of tracking drive PWM Output of thread drive PWM Output of thread drive PWM u163 Output of spindle drive PWM Output of spindle drive PWM DGND Ground for digital circuits DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 58 Connected to the capacitor for output of REFOUT Reversal input of FE Output of FE ADCIN TEST L 13942296513 Reversal input of TE Output of TE AGND Ground for the analog system PWMSW Servo PWM mode switching * UPD63712AGC u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 59 Output pin for preamplifier for thread OPINLSL Input pin for preamplifier for thread OPOUT3 CH3 preamplifier output pin OPIN3(-) Input pin for inverting input for CH3 preamplifier OPIN3(+) Input pin for non-inverting input for CH3 preamplifier PREVCC PreVcc L 13942296513 BA5835FP u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 60 Ground of audio block 23 L ch O L channel output FM stereo “L-ch” signal output or AM audio output 24 R ch O R channel output FM stereo “R-ch” signal output or AM audio output u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 61: Display

    7.2.2 DISPLAY 3 7 63 1515 0 - LCD(CAW1760)(DEH-P26/XM/UC) L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 62 - LCD(CAW1759)(DEH-P2600/XM/UC) 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 63 - LCD(CAW1764)(DEH-P2650/XM/ES) 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 64: Operational Flow Chart

    In case of the above signal, the communication with Grille microcomputer may fail. Source keys If the time interval is not 300msec, the oscillator operative may be defective. Source ON SYSPW←H Pin 21 u163 Completes power-on operation. (After that, proceed to each source operation) DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 65: 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 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

  • Page 66: Operations

    8. OPERATIONS 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 67 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 68 3 7 63 1515 0 L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 69 CND1250(UC) CXX1645(ES) Holder CND1249(UC) CXX1644(ES) 2. Replace the front panel to the unit. 3. Flip the holders into upright positions. L 13942296513 4. Fix the front panel to the unit using fixing screws. Fixing screw BPZ20P060FZK(UC) CXX1646(ES) u163 DEH-P26/XM/UC http://www.xiaoyu163.com...
  • Page 70 3 7 63 1515 0 - CONNECTION DIAGRAM L 13942296513 u163 DEH-P26/XM/UC http://www.xiaoyu163.com...

This manual is also suitable for:

Deh-p2600Deh-p2650

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