Pioneer XC-L5 Service Manual
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Pioneer XC-L5 Service Manual

Stereo cd receiver
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STEREO CD RECEIVER
XC-L5
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
XC-L5
MYXK
NVXK
CONTENTS
1. SAFETY INFORMATION ...................................... 2
3. SCHEMATIC DIAGRAM ..................................... 12
4. PCB CONNECTION DIAGRAM .......................... 24
5. PCB PARTS LIST ............................................... 35
6. ADJUSTMENT .................................................... 40
PIONEER ELECTRONIC CORPORATION
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Wheelock Place, Singapore 238880
PIONEER ELECTRONIC CORPORATION 1998
AUX
'
R·D·S
STANDBY/ON
PHONES
Power Requirement
AC220 – 230V
AC230V
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
D
DOWN
UP
VOLUME
1
¡
–
•
•
+
0
6
4
¢
7
7. GENERAL INFORMATION ................................ 43
7.1 PARTS ......................................................... 43
7.1.1 IC ......................................................... 43
7.1.2 DISPLAY .............................................. 49
7.2 DISASSEMBLY ........................................... 51
7.3 BLOCK DIAGRAM ........................................ 53
T – IZK AUG. 1998 Printed in Japan
ORDER NO.
RRV1997
Remarks

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  • Page 1 PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Wheelock Place, Singapore 238880 PIONEER ELECTRONIC CORPORATION 1998...

  • Page 2: Safety Information

    Note: The lithium battery installation po- sition is shown in the exploded views. LABEL CHECK IMPORTANT THIS PIONEER APPARATUS CONTAINS MYXK type LASER OF CLASS 1. SERVICING OPERATION OF THE APPARATUS S H O U L D B E D O N E B Y A S P E C I A L L Y INSTRUTED PERSON.

  • Page 3: Exploded Views And Parts List

    XC-L5 2. EXPLODED VIEWS AND PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 4 XC-L5 2.2 EXTERIOR Refer to "2.3 TOP PANEL ASSY". Refer to "2.6 CD MECHA ASSY".
  • Page 5 XC-L5 (1) EXTERIOR PARTS LIST Mark No. Description Part No. Mark No. Description Part No. CD MAIN UNIT AWU7090 Spacer PNM1135 CD AMP UNIT AWU7091 Cord Clamper RNH-184 CD TRANS UNIT AWU7092 Tray Panel CD AAN7184 CD HP UNIT AWU7093...
  • Page 6 XC-L5 2.3 TOP PANEL ASSY Top View Bottom View Refer to "2.4 DISPLAY ASSY". Refer to "2.5 GEAR HOLDER ASSY". 17(1/2) 17(2/2) • TOP PANEL ASSY PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 CD TRADE UNIT...
  • Page 7 XC-L5 2.4 DISPLAY ASSY • DISPLAY ASSY PARTS LIST Mark No. Description Part No. Mark No. Description Part No. CD FL UNIT AWU7094 Front Plate AAH7012 8P F•F•C/60V ADD7099 Window AAK7575 Cushion Rubber AEB7068 FL Filter AEC7141 D Cushion AEB7126...
  • Page 8 XC-L5 2.5 GEAR HOLDER ASSY • GEAR HOLDER ASSY PARTS LIST Mark No. Description Part No. 1 CD MOTOR UNIT AWU7098 2 CD SENSE UNIT AWU7099 3 Belt AEB7030 4 Gear Holder ANG7190 5 Gear A ANW7063 6 Gear Pulley A...
  • Page 9 XC-L5 2.6 CD MECHA ASSY(1/2) 16 15 No supplied part • CD MECHA ASSY(1/2) PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Tray(C) 2-646-290-01 Insulator 2-627-234-(01) • • • • • MD Assy A-4912-186-A Cover(S),Gear 2-625-544-(01)
  • Page 10 XC-L5 2.7 CD MECHA ASSY(2/2) No supplied part • CD MECHA ASSY(2/2) PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Motor Chassis Assy X-2625-984-(1) Ring(LO)(S),Center 2-625-477-(01) 2 Motor Gear Assy X-2625-769-(1) Screw2*5,Tapping(S) 2-641-386-(01) 3 Sled Shaft...
  • Page 11 XC-L5...

  • Page 12: Schematic Diagram

    XC-L5 3. SCHEMATIC DIAGRAM 3.1 OVERALL CONNECTION DIAGRAM CD TRADE UNIT (AWU7095) CD FL KEYR UNIT UNIT (AWU7094) (AWU7096) IC5501 SYSTEM ucom CD MAIN UNIT CD REM (AWU7090) IC3001 IC3121 VOL.IC SELECTOR UNIT (AWU7130) CD HP UNIT (AWU7093) RY3601 IC3301...
  • Page 13 XC-L5 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "PCB PARTS LIST". CD KEYL UNIT CD MOTOR (AWU7097) UNIT (AWU7098) FM/AM TUNER CD SENSE MODULE UNIT (AXQ7077) POSIT (AWU7099) UNIT (AWU7100)
  • Page 14 XC-L5 3.2 FM/AM TUNER MODULE MIX AMP RF AMP BUFFER IF AMP FM +B SW AM RF TUNING BLOCK FM/AM TUNER MODULE (AXQ7077)
  • Page 15 XC-L5 AF AMP AF AMP REGULATOR...
  • Page 16 XC-L5 3.3 CD MAIN UNIT(1/2) CD MAIN UNIT (1/2) (AWU7090) 4.54V 5.70V (FS) (FS) (SM) (FS) (SM) (FS) (CM) (CM) (TS) (TS) (CM) (TS) (TS) (LM) (FS) (TS) (CM) (FS) (LM) (TS) (CM) 2.30V 2.37V (FS) (CM) (LM) (LM) (TS)
  • Page 17 XC-L5 SIGNAL ROUTE (CD) (SM) :CD AUDIO SIGNAL ROUTE : SPINDLE MOTOR ROUTE (CM) (FS) : CARRIAGE MOTOR ROUTE : FOCUS SERVO LOOP LINE (LM) (TS) : LOADING MOTOR ROUTE : TRACKING SERVO LOOP LINE 4.54V (CD) (CD) DIGITAL OUT (OPT.) Note: The encircled numbers denote measuring point in the schematic diagram.
  • Page 18 XC-L5 3.4 CD MAIN (2/2) AND CD REM UNITS CD REM UNIT (AWU7130) 5.57V -5.95V 13.11V 13.38V -13.78V 5.78V 4.57V 5.33V 9.08V CD MAIN UNIT (AWU7090) 10.21V 5.63V AC 5.33V...
  • Page 19 XC-L5 SIGNAL ROUTE (REC) : Lch AUDIO SIGNAL ROUTE : DECK REC SIGNAL ROUTE (AUX) (TX) : AUX AUDIO SIGNAL ROUTE : TUNER AUDIO SIGNAL ROUTE (PB) (CD) : DECK PB SIGNAL ROUTE : CD AUDIO SIGNAL ROUTE 4.90V 5.63V 4.82V...
  • Page 20 XC-L5 3.5 CD TRANS, CD RECTIFY, CD POWER, CD REG, CD AMP AND CD HP UNITS CD RECTIFY UNIT (AWU7128) CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 491007 MFD, BY LITTELFUSE INK. FOR IC11,IC12 (AEK7021).
  • Page 21 XC-L5 SIGNAL ROUTE CD AMP UNIT 27.90V : LCH AUDIO SIGNAL ROUTE (AWU7091) (HP) : H.P AUDIO SIGNAL ROUTE -28.23V CD HP UNIT (HP) (AWU7093) (HP) -28.16V 27.90V MAIN SPEAKERS CN3002...
  • Page 22 XC-L5 3.6 CD TRADE, CD KEYR, CD FL, CD POSIT, CD MOTOR, CD KEYL AND CD SENSE UNITS CD FL UNIT (AWU7094) 4.60V -27.80V -21.13V -21.13V CD KEYR UNIT CD KEYR UNIT S5901 : + S5902 : CD STOP (AWU7096) S5903 : CD TRAY OPEN CLOSE S5904 : VOL.
  • Page 23 XC-L5 DC MOTOR CD KEYL UNIT PXM1010 (AWU7097) CD MOTOR UNIT CD SENSE (AWU7098) UNIT CD KEYL UNIT (AWU7099) S5951 : STANDBY/ON S5952 : FM/AM/STATION S5953 : AUX POSIT UNIT (AWU7100)

  • Page 24: Pcb Connection Diagram

    XC-L5 4. PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS : 1. Part numbers in PCB diagrams match those in the schematic 3. The parts mounted on this PCB include all necessary parts for diagrams. several destinations. 2. A comparison between the main parts of PCB and schematic For further information for respective destinations, be sure to diagrams is shown below.
  • Page 25 XC-L5 4.1 FM/AM TUNER MODULE CN5101 FM/AM TUNER MODULE VR6201 Q6204 Q6203 SIDE A FM/AM TUNER MODULE IC6201 Q6201 Q6202 Q6601 Q6214 Q6501 IC6202 Q6205 Q6102 Q6105 Q6101 SIDE B (ANP7161-A)
  • Page 26 XC-L5 SIDE A 4.2 CD MAIN UNIT CN6201 CD MAIN UNIT MECHA ASSY Q1101 Q5222 IC5222 Q5221 IC5221 MECHA ASSY MECHA ASSY Q5312 CN5921 Q5311 Q5251 IC5251 CN5401 Q5315 Q5316 (ANP7246-C)
  • Page 27 XC-L5 SIDE B CD MAIN UNIT IC3101 IC3111 IC5701 Q5701 IC3131 IC3121 Q5592 Q3016 IC3001 IC5501 Q3051 Q1402 Q1403 Q1404 Q1401 Q5591 IC1101 Q5252 Q1201 Q5225 Q5226 Q5224 Q5223 IC1201 Q5301 IC1301 Q5313 Q5314 Q5332 Q5331 (ANP7246-C)
  • Page 28 XC-L5 4.3 CD REM, CD TRANS, CD RECTIFY, CD POWER AND CD REG UNITS SIDE A AC POWER CORD CD REM UNIT CD TRANS UNIT J5921 CD POWER UNIT CN5251 CD REG UNIT CD RECTIFY UNIT (ANP7246-C) C D E F G...
  • Page 29 XC-L5 SIDE B CD REM UNIT CD TRANS UNIT CD POWER UNIT CD REG UNIT CD RECTIFY UNIT (ANP7246-C)
  • Page 30 XC-L5 4.4 CD AMP AND CD HP UNITS SIDE A CD AMP UNIT CN12 CN3001 CN3002 IC3302 IC3301 MOTOR CD HP UNIT (ANP7246-C)
  • Page 31 XC-L5 SIDE B CD AMP UNIT Q3312 Q3311 Q3313 Q3701 Q3702 Q3703 Q3704 Q3602 Q3605 Q3606 Q3601 Q3607 Q3603 CD HP UNIT Q3905 Q3901 Q3902 Q3903 Q3904 (ANP7246-C)
  • Page 32 XC-L5 4.5 CD TRADE, CD KEYR, CD FL AND CD POSIT UNITS SIDE A CD FL UNIT CN5301 CD TRADE UNIT CD KEYR UNIT J5421 (ANP7247-B) CD POSIT UNIT J K L...
  • Page 33 XC-L5 SIDE B CD FL UNIT Q5603 Q5605 Q5606 Q5604 Q5602 IC5601 Q5601 CD TRADE UNIT CD KEYR UNIT (ANP7247-B) CD POSIT UNIT...
  • Page 34 XC-L5 4.6 CD MOTOR, CD KEYL AND CD SENSE UNITS SIDE A CD MOTOR UNIT CD SENSE UNIT CD KEYL UNIT CN5403 (ANP7247-B) SIDE B CD MOTOR UNIT CD SENSE UNIT CD KEYL UNIT (ANP7247-B) N O P...

  • Page 35: Pcb Parts List

    XC-L5 Mark No. Description Part No. Mark No. Description Part No. 5. PCB PARTS LIST NOTES: ¶Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. ¶The mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 36 XC-L5 Mark No. Description Part No. Mark No. Description Part No. C6115, C6125, C6126, C6211, C6254 CKSQYB102K50 D5252–D5256, D5553, D5591, D5592 1SS254 C6601 CKSQYB102K50 D1331, D5552 1SS355 C6102, C6114, C6121, C6123, C6124 CKSQYB103K50 D3051 MTZJ10B C6210, C6213, C6237, C6267, C6276 CKSQYB103K50 D5311 MTZJ3.9B...
  • Page 37 XC-L5 Mark No. Description Part No. Mark No. Description Part No. C1417, C1603, C1604, C1652, C1653 CKSQYF103Z50 TRANSFORMERS C3003, C3095, C3113, C3114 CKSQYF103Z50 STANDBY TRANSFORMER ATT7027 C3133, C3134, C5101, C5504 CKSQYF103Z50 C5506, C5507, C5509, C5510, C5552 CKSQYF103Z50 SWITCHES AND RELAYS...
  • Page 38 XC-L5 Mark No. Description Part No. Mark No. Description Part No. 2PB709A C51, C52, C71 CEAT470M16 2PD601A C3301, C3302 CEAT470M35 2SB1566 C3313, C3314 CEAT4R7M50 D22, D41 1SS254 C3311, C3312 CEZA100M50 MTZJ15B C3307, C3341, C3342, C3345, C3346 CKSQYB102K50 UDZS8.2B C3331–C3333 CKSQYB473K50...
  • Page 39 XC-L5 Mark No. Description Part No. Mark No. Description Part No. RESISTORS OTHERS All Resistors RS1/10S&&&J 5421 CABLE HOLDER(7P) 51048-0700 CN5422 4PJUMPER CONNECTOR 52151-0410 J5421 JUMPER WIRE(7P) D20PDY0735E OTHERS 5901 CABLE HOLDER(11P) 51048-1100 CN5901 FFC CONNECTOR 8P 52492-0820 CD KEYL UNIT...

  • Page 40: Adjustment

    XC-L5 6. ADJUSTMENT 6.1 TEST MODE Note : There is no information to be shown in this CD adjustment. 6.1.1 HOW TO START / CANCEL TEST MODE TEST MODE : ON TEST MODE TEST MODE TEST TEST MODE MODE Short...
  • Page 41 XC-L5 Special Function DISPLAY fixed mode (POPUP is fixed even if the POWER is turned ON and OFF.) How to Set Up Press POWER button (Receiver) with pressing STOP button (Receiver) in the TEST mode. How to Release Unplug the AC power cord from the outlet.

  • Page 42: Tuner Section

    XC-L5 6.2 TUNER SECTION 6.2.1 FM TUNER SECTION • Set the mode selector to FM BAND. • Connect the wiring as shown in Fig. 1. ± d ( µ ) V v i t y t i i n i 1 ±...

  • Page 43: General Information

    XC-L5 7. GENERAL INFORMATION 7.1 PARTS 7.1.1 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. CXA1821M (CD MAIN UNIT : IC1101) • RF AMP. IC •...
  • Page 44 XC-L5 CXD2587Q (CD MAIN UNIT : IC1201) • SERVO IC • Block Diagram 16 18 64 15 19 61 62 63 TES1 TEST XRST Clock Error Generator Corrector RMUT Senal-In RFAC Interface Demodurator Interface LMUT ASYI Asymmetry XTAI ASYO Over Sampling...
  • Page 45 XC-L5 • Pin Function , t i " " L " " i f i l − l a i i f i l l a i n i l − l a i l l u L " = "...
  • Page 46 XC-L5 PDG224A (CD MAIN UNIT : IC5501) • Mode Control IC • Pin Function (*) : PLL frequency synthesizer for electronic tunning − − − c t i d i l c t i l a i c t i c t i −...
  • Page 47 XC-L5 • Sequence after the POWER ON Standby state POWER ON Turn the Set XPOWON (pin 34) to "L". power ON Transmit the following information to other connected System bus items. Bus data communication • DEMO OFF transmission transfer • System power ON : Turn the power ON.
  • Page 48 XC-L5 • Rise-up sequence after AC supplied to CD receiver microprocessor Reset Release the hardware reset. Initialize the internal data Destination Judge with destination port (pin 58). H : KU , L : MY check TEST mode TESTU port (pin 56) L : TEST mode for unit checker...
  • Page 49 XC-L5 7.1.2 DISPLAY AAV7056 (CD FL UNIT : V5601) • Upper FL Segment Designation (S2) (S3) (S1) (S27) (S33) (S34) (S4) (S5) (S28) (S29) (S30) (S31) (S32) (S6) (S7) (S8) (S9) (S10) (S11) (S12) (S13) (S14) (S15) (S16) (S17) (S18)
  • Page 50 XC-L5 AAV7055 (CD FL UNIT : V5602) • Lower FL Anode Connection 1-1 2-1 3-1 4-1 5-1 1G - 10G 1G - 10G 1-2 2-2 3-2 4-2 5-2 1-3 2-3 3-3 4-3 5-3 1-4 2-4 3-4 4-4 5-4 1-5 2-5 3-5 4-5 5-5...

  • Page 51: Disassembly

    XC-L5 7.2 DISASSEMBLY (1) Rear Case Top Panel Assy (3) CD MAIN UNIT Top Barrier Rear Case ×2 (2) Bonnet and Top Panel Assy ×2 Bonnet ×2 Unhook Unhook (×2) Note: CD MAIN UNIT You can only connect and disconnect the 17P FFC...
  • Page 52 XC-L5 (4) CD AMP UNIT CD AMP UNIT ×3 ×2 Rear Panel...

  • Page 53: Block Diagram

    XC-L5 7.3 BLOCK DIAGRAM • POWER SUPPLY BLOCK...

  • Page 54: Panel Facilities And Specifications

    XC-L5 8. PANEL FACILITIES AND SPECIFICATIONS • PANEL FACILITIES STEREO CD RECEIVER XC-L5 7 8 9 VOLUME – ¡ • • ¢ R·D·S STANDBY/ON PHONES STEREO CD RECEIVER XC-L5 1 STANDBY/ON switch 2 STANDBY indicator 3 AUX button 4 FM/AM/station button...
  • Page 55 XC-L5 POWERED DISPLAY Ÿ PRO LOGIC Ÿ STEREO CD RECEIVER XC-L5 AUTO MARK MONO LP TIMER WAKE SLEEP DISPLAY DOWN DIGITAL ASES TUNED STEREO MONO * &^ % $ # @ ! ~ 7 Switch the DISPLAY MODE POWERED DISPLAY Two display modes can be selected;...
  • Page 56 XC-L5 During Tuner Operation : Station + (up) button ¢ : Station - (down) button DIRECT PLAY ¡ : Frequency up button ¡ MENU SOUND TIMER : Frequency down button CANCEL ¢ During CD Operation DISPLAY/ CHARACTER : Forward track search button...

  • Page 57: Specifications

    XC-L5 • SPECIFICATIONS Stereo CD Receiver: XC-L5 Compact Disc Player Section Amplifier Section Type .......... Compact disc digital audio system Continuous Power Output (RMS) ......30 W + 30 W Usable discs ............Compact discs (1 kHz, THD 10%, 8 Ω) Channels .................

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