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

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
KUXK/CA
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. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER ELECTRONIC CORPORATION 1998
AUX
'
STANDBY/ON
PHONES
Power Requirement
AC120V
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 - ZZK DEC. 1998 Printed in Japan
ORDER NO.
RRV2080
Remarks

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  • Page 1: Table Of Contents

    PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan 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. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER ELECTRONIC CORPORATION 1998 T –...

  • Page 2: Safety Information

    , a l w a y s c o n s u l t t h e c u r r e n t P I O N E E R Service Manual. A subscription to, or additional copies Also test with plug reversed of, PIONEER Service Manual may be obtained at a (Using AC adapter Earth nominal charge from PIONEER.

  • 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(1/2)".
  • Page 5 XC-L5 • EXTERIOR PARTS LIST Mark No. Description Part No. Mark No. Description Part No. CD MAIN UNIT AWU7113 Front Leg AEB7102 CD AMP UNIT AWU7114 Cord Clamper RNH-184 CD TRANS UNIT AWU7115 Tray Panel CD AAN7193 CD HP UNIT...

  • Page 6: Top Panel Assy

    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: Display Assy

    XC-L5 2.4 DISPLAY ASSY • DISPLAY ASSY PARTS LIST Mark No. Description Part No. Mark No. Description Part No. CD FL UNIT AWU7117 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 • • • • •...
  • 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 (AWU7117) (AWU7096) IC5501 SYSTEM ucom CD MAIN UNIT CD REM (AWU7113) 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 (AXQ7065) POSIT (AWU7099) UNIT (AWU7100)
  • Page 14 XC-L5 3.2 FM/AM TUNER MODULE MIX AMP RF AMP 1T378A BUFFER IF AMP FM +B SW MW RF TUNING BLOCK AKX7041 FM/AM TUNER MODULE (AXQ7065)
  • 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) (AWU7113) 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 (AWU7113) 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 5.63V 4.82V 13.09V...
  • 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 (AWU7114) (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 (AWU7117) 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 Q6301 Q6303 Q6302 Q6401 Q6304 IC6202 Q6214 Q6403 Q6306 Q6402 Q6404 SIDE B Q6205 (ANP7159-B)
  • 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 (ANP7298-A)
  • 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 (ANP7298-A)
  • 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 (ANP7298-A) 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 (ANP7298-A)
  • 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 (ANP7298-A)
  • 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 (ANP7298-A)
  • 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. C6218, C6223, C6255 CKSQYF103Z50 CAPACITORS C6220, C6226, C6242, C6256 CKSQYF223Z50 C5594 ACH1246 C6225 CKSQYF473Z50 C3091–C3094, C5593 CCSQCH101J50 C1231, C1261 CCSQCH102J50 RESISTORS C1201, C1202 CCSQCH150J50 R6280 RD1/4PU101J C1401, C1402 CCSQCH151J50...
  • Page 37 XC-L5 Mark No. Description Part No. Mark No. Description Part No. R5316 RD1/4PU391J OTHERS R1331 RD1/4PU471J CABLE HOLDER 51048-0400 R5317 RFA1/4PS4R7J AC INLET 1P AKP7032 Other Resistors RS1/10S&&&J H1, H2 FUSE CLIP AKR1003 JUMPER WIRE D20PDY0415E OTHERS 10P SOCKET KP250NA10...
  • Page 38 XC-L5 Mark No. Description Part No. Mark No. Description Part No. RESISTORS RESISTORS RD1/4PU221J R3601, R3602 (0.1Ω/1W) ACN7032 Other Resistors RS1/10S&&&J R3333, R3334 RD1/4LMF100J R3331, R3332 RD1/4PU100J R3705 RD1/4PU103J OTHERS R3706 RD1/4PU562J 3P CABLE HOLDER 51048-0300 8P CABLE HOLDER 51048-0800...
  • Page 39 XC-L5 Mark No. Description Part No. Mark No. Description Part No. CD FL UNIT CD KEYL UNIT SEMICONDUCTORS SEMICONDUCTORS IC5601 LC75710NE D5951 SLP9118C51H Q5602, Q5604–Q5606 2PD601A Q5603 2SD1484K SWITCHES AND RELAYS Q5601 DTC124EK S5951–S5953 RSG1030 D5603 1SS355 RESISTORS COILS AND FILTERS All Resistors RS1/10S&&&J...

  • 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: Fm 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 1 ± 2 g i l 6.2.2 AM TUNER SECTION...

  • 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: Display

    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 – ¡ • • ¢ STANDBY/ON PHONES STEREO CD RECEIVER XC-L5 1 STANDBY/ON switch 9 CD stop button (7). 0 VOLUME ∧ (Up)/∨ (Down) buttons...
  • 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; choose the one you prefer.
  • Page 56 XC-L5 During Tuner Operation : Station + (up) button ¢ : Station - (down) button DIRECT PLAY ¡ : Frequency up button ¡ SOUND MENU TIMER : Frequency down button CANCEL ¢ During CD Operation DISPLAY/ CHARACTER : Forward track search button DISPLAY ¢...

  • Page 57: Specifications

    XC-L5 • SPECIFICATIONS Stereo CD Receiver: XC-L5 Accessories Amplifier Section Operating Instructions ..............1 Warranty Card ................1 Output for Front Speakers FM antenna ................... 1 Continuous average power output of 18 watts* AM loop antenna ................1 per channel, min., at 8 ohms, from 70 Hz to Remote control unit ..............

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