Pioneer XR-A3800 Service Manual
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Pioneer XR-A3800 Service Manual

Stereo cd cassette deck receiver
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STEREO CD CASSETTE DECK RECEIVER
XR-A3800
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
XR-A3800
‡
KUCXJ
CONTENTS
1. SAFETY INFORMATION ....................................... 2
4. PCB CONNECTION DIAGRAM ........................... 32
5. PCB PARTS LIST ................................................ 46
6. ADJUSTMENT ..................................................... 51
PIONEER CORPORATION
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
Power Requirement
AC120V
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
W2-2001
SURROUND MODE
DISPLAY MODE
PHONES
REPEAT
auto synchro egiting system
full logic aut reverse
stereo double cassette deck
7. GENERAL INFORMATION ................................ 56
7.1 DIAGNOSIS .................................................. 56
7.1.1 DISASSEMBLY .................................... 56
7.2 PARTS .......................................................... 59
7.2.1 IC .......................................................... 59
7.2.2 DISPLAY ............................................... 61
ORDER NO.
RRV2356
Remarks
T - ZZE AUG. 2000 Printed in Japan

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  • Page 1: Table Of Contents

    PIONEER 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 EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2000 T –...

  • Page 2: Safety Information

    The use of a substitute replacement component which does Leakage 0.5mA current Device not have the same safety characteristics as the PIONEER tester under recommended replacement one, shown in the parts list in test this Service Manual, may create shock, fire, or other hazards.

  • Page 3: Exploded Views And Parts List

    XR-A3800 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: Exterior Section

    XR-A3800 2.2 EXTERIOR SECTION 32 (2/3) 32 (1/3) 32 (3/3) Refer to "2.4 $M MECHANISM CD-2". Note : Note : Hook Tray cap on top of loading Hook Tray cap on top of loading tray and then insert the bottom tray and then insert the bottom three hooks.
  • Page 5 XR-A3800 • EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. AF Assy XWZ3288 Tray Cap Assy XAK3156 SECONDARY Assy XWZ3289 Pioneer Badge XAM3001 PRIMARY Assy XWZ3296 Bonnet Case XZN3098 FM/AM TUNER Module AXQ7065 Fuse Card...

  • Page 6: Front Panel Section

    XR-A3800 2.3 FRONT PANEL SECTION 36 43 Refer to "2.6 DECK MECHANISM UNIT".
  • Page 7 XR-A3800 • FRONT PANEL SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. DISPLAY Assy XWZ3295 • • • • • BLUE LED Assy XWZ3292 FL Filter XAK3162 Deck Mechanism Unit XYM3011 FL Cover XAK3164 Flexible Cable 27P...
  • Page 8 XR-A3800 2.4 $M MECHANISM CD-2 Refer to "2.5 SERVO MECHANISM ASSY".
  • Page 9 XR-A3800 (1) $M MECHANISM CD-2 PARTS LIST Mark No. Description Part No. Mark No. Description Part No. MOTOR Assy XWZ3230 Gear Pulley ANW7094 SW Assy XWZ3231 Lock Lever ANW7095 CD Assy XWZ3229 Planet Gear ANW7096 TRADE Assy XWZ3232 Actuator ANW7097...
  • Page 10 XR-A3800 2.6 DECK MECHANISM UNIT • DECK MECHANISM UNIT (1/2) Note: When part #17 or #60 or #104 is replaced, part #16 also need to be replaced at the same time.
  • Page 11 XR-A3800...
  • Page 12 XR-A3800 • DECK MECHANISM UNIT (2/2) Note: When part #17 or #60 or #104 is replaced, part #16 also need to be replaced at the same time.
  • Page 13 XR-A3800...
  • Page 14 XR-A3800 • DECK MECHANISM UNIT PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Assy’y HD Holder 50-093-4373 Spring 01-081-4601 Frame HD 50-219-3024 Plate AZ 50-119-4046 Spring 01-082-4652 Spring AZ 50-160-4108 Spring 01-082-4651 Spring 01-082-4650 Lever HD...
  • Page 15 XR-A3800...

  • Page 16: Block Diagram And Schematic Diagram

    XR-A3800 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM and OVERALL WIRING DIAGRAM JA3902 JA3901 CN5502 X5901 V5621 FL TUBE REMOTE RECEIVER UNIT IC3901 BA4558F-HT MIC AMP IC5501 DISPLAY ASSY KEYs PDC063A LEDs SYSTEM MAIN VOL (XWZ3295) CONTROL MORPHING JOG...
  • Page 17 XR-A3800 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". BLUE LED DECK MECHANISM UNIT : AUDIO SIGNAL ROUTE (CD) ASSY (XYM3011) (XWZ3292) J5602 CN2901 J5601 CN2301 CN2303 CN2302...

  • Page 18: Fm/Am Tuner Module

    XR-A3800 3.2 FM/AM TUNER MODULE MIX AMP RF AMP 1T378A BUFFER IF AMP FM +B SW MW RF TUNING BLOCK AKX7041...
  • Page 19 XR-A3800 FM/AM TUNER MODULE (AXQ7065) AF AMP AF AMP CN6201 REGULATOR KP200IA14L...
  • Page 20 XR-A3800 3.3 CD, MOTOR, SW and TRADE ASSYS CD ASSY (XWZ3229) TRADE ASSY (XWZ3232) CN9001 S6B-PH-K-S SW ASSY (XWZ3231) J9501 D20PWY0610E CN9002 CN8002 SLW11R-1C7 SLW11R-1C7 CN9501 52147-0610 J9502 D20PWW0405E MOTOR ASSY CARRIAGE MOTOR (XWZ3230) (LOADING) VXM1033 (CD) (CD) (CD) CN8101...
  • Page 21 XR-A3800 : The power supply is shown with the marked box. (CD) : CD AUDIO SIGNAL ROUTE : SPINDLE MOTOR ROUTE : FOCUS SERVO LOOP LINE : CARRIAGE MOTOR ROUTE : TRACKING SERVO LOOP LINE : LOADING MOTOR ROUTE CN8204...
  • Page 22 XR-A3800 3.4 AF ASSY (1/3) (REC) (REC) AF ASSY (XWZ3288) (PB) R2311, R2312 : 22k (REC) (PB) (PB) (PB) (PB) 100k (VCP1162)
  • Page 23 XR-A3800 (REC) : The power supply is shown with the marked box. IC2101 BA4558F-HT (PB) : DECK PB SIGNAL ROUTE (REC) : DECK REC SIGNAL ROUTE IC2101 BA4558F-HT (PB) C2351 (PB) (PB) 3.3/50 (PB) (PB) (REC) (REC) (PB) (REC) (REC)
  • Page 24 XR-A3800 3.5 AF ASSY (2/3) AF ASSY CN8204 (XWZ3288) 52045-0845 0.15 0.027 LC75394NED 0.15 0.027 IC5691 BA4558F-HT IC5691 52045-2745 BA4558F-HT CN5501...
  • Page 25 XR-A3800 : AUDIO SIGNAL ROUTE : TUNER AUDIO SIGNAL ROUTE CN6201 : CD AUDIO SIGNAL ROUTE : DECK PB SIGNAL ROUTE : DECK REC SIGNAL ROUTE IC3101 BA4558F-HT IC3102 BA4558F-HT IC3101 BA4558F-HT IC3102 BA4558F-HT 1/3,3/3...
  • Page 26 XR-A3800 3.6 AF (3/3) and SECONDARY ASSYS STK407-070B IRFI9Z34G 1SR139-100 1SR139-100 IC3502 BA4558F-HT IRFIZ34G IC3501 BA4558F-HT IC3502 BA4558F-HT IC3501 BA4558F-HT 1/3, 2/3 W352 : The power supply is shown with the marked box.
  • Page 27 XR-A3800 CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 491003 MFD, BY LITTELFUSE INK. FOR IC41 (AEK7015). : AUDIO SIGNAL ROUTE CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO.

  • Page 28: Primary Assy

    XR-A3800 3.7 PRIMARY ASSY POWER TRANSFORMER XTS3041 NJM7805-FA S1WB(A)60SD...
  • Page 29 XR-A3800 • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. PRIMARY ASSY (XWZ3296) REK1083 (5A)
  • Page 30 XR-A3800 3.8 DISPLAY and BLUE LED ASSYS DISPLAY ASSY (XWZ3295) MAIN BLUE LED ASSY (XWZ3292) 10MHz DTC124EK...
  • Page 31 XR-A3800 : The power supply is shown with the marked box. CN5105 CN8201 CN81 HLEM27R-1 HLEM13R-1 R5704 DISPLAY ASSY S5911 : DISC-1 S5926 : TUNER BAND S5951 : VOLUME S5912 : DISC-3 S5927 : RANDOM S5952 : JOG S5913 : DISC-2...

  • Page 32: Pcb Connection Diagram

    XR-A3800 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 33: Secondary Assy

    XR-A3800 4.2 SECONDARY ASSY CN1, CN2 POWER TRANSFORMER SECONDARY ASSY IC11 IC21 IC41 IC12 IC71 IC22 (XNP3025-C) SIDE A SECONDARY ASSY (XNP3025-C) SIDE B...
  • Page 34 XR-A3800 4.3 CD, MOTOR, SW and TRADE ASSYS CD ASSY IC8201 Q8351 Q8101 Q8353 IC8301 IC8101 Q8354 Q8352 SERVO MECHANISM ASSY CN5501 SW ASSY CN1052 TRADE ASSY SERVO MECHANISM ASSY SIDE A LOADING MOTOR (XNP3023-B) MOTOR ASSY B C D E...
  • Page 35 XR-A3800 CD ASSY Q8021 Q8404 Q8024 Q8203 Q8403 Q8401 Q8202 Q8356 Q8355 TRADE ASSY ASSY MOTOR ASSY SIDE B (XNP3023-B) B C D E...
  • Page 36 XR-A3800 4.4 AF ASSY CN6201 AF ASSY VR2302 VR2301 VR2802 VR2801 Q3081 Q2803 Q2801 Q2804 IC32 IC51 IC42 Q3352 Q3351 IC3302...
  • Page 37 XR-A3800 CN8204 CN5501 DECK MECHANISM UNIT SIDE A 02 VR2301 VR2303 VR2305 (XNP3025-C) 02 VR2801 VR2304 VR2306 IC2301 IC3302 IC3301...
  • Page 38 XR-A3800 AF ASSY IC5891 IC2101 Q2102-Q2104 Q2202 IC5892 Q2204 Q2203 Q2802 Q3621 Q3603 IC2201 Q3311 Q3353 Q2105 Q3605-Q3608 Q2301 Q3312 Q3351 Q2306 IC3501 Q3601 IC3301 Q2302 Q3503 IC3502 Q3314 Q3313...
  • Page 39 XR-A3800 SIDE B (XNP3025-C) Q2202 Q5751 Q5752 IC3001 IC5751 Q3501 Q3502 Q3353 Q3354 Q2804-Q2807 Q3102 Q3101 IC3102 Q3351 Q3352 IC42 IC51 IC32 IC3101...
  • Page 40 XR-A3800 4.5 PRIMARY ASSY PRIMARY ASSY POWER TRANSFORMER AC IN IC81 IC82 Q81 (XNP3026-D) SIDE A...
  • Page 41 XR-A3800 PRIMARY ASSY (XNP3026-D) SIDE B...

  • Page 42: Display Assy

    XR-A3800 4.6 DISPLAY and BLUE LED ASSYS BLUE LED ASSY DISPLAY ASSY CN8201 CN81 VR3931...
  • Page 43 XR-A3800 DECK MECHANISM UNIT CN5105 SIDE A (XNP3026-D) VR3931 VR3901...
  • Page 44 XR-A3800 DISPLAY ASSY Q2906 Q2911 IC5501 Q5650-Q565 Q2904 Q2903 Q2910 Q5501 Q5658 Q2908 IC3931 Q5502 Q5825 Q5826 Q2907 Q2901 Q5556...
  • Page 45 XR-A3800 BLUE LED ASSY SIDE B (XNP3026-D) Q5650-Q5655 Q5823 Q5827 Q5602 Q5822 IC3901 Q5657 Q5824 Q5601 Q5604 Q5801 Q5821...

  • Page 46: Pcb Parts List

    XR-A3800 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. • mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 47 XR-A3800 Mark No. Description Part No. Mark No. Description Part No. RESISTORS RESISTORS R6280 RD1/4PU101J R8343, R8344 RS1/10S1802F R6413, R6416, R6418, R6906, R6909 RS1/8S0R0J R8341, R8342 RS1/10S4702F R6401 RS1/8S470J Other Resistors RS1/10S&&&J VR6201 (10kΩ) PCP1029 Other Resistors RS1/10S&&&J OTHERS X8201 (16.9344MHz)
  • Page 48 XR-A3800 Mark No. Description Part No. Mark No. Description Part No. 2SD2012 C3501, C3502, C3509, C3510 CEAT470M25 Q2805, Q3311, Q3312 2SD2114K C3108, C3109, C3857 CEAT4R7M50 Q2301, Q2302, Q3501, Q3502 2SK368 C3021, C3022 CEATR10M50 Q3313, Q3503 DTA124EK C3011, C3012, C3102, C3325...
  • Page 49 XR-A3800 Mark No. Description Part No. Mark No. Description Part No. CN2303 CONNECTOR B3B-PH-K-R OTHERS CN2301 CONNECTOR POST B3B-PH-K-S H1, H2 FUSE CLIP AKR7001 J11 JUMPER WIRE D15A14-450-2651 CN1 CONNECTOR B2P3-VH CN3051 14P PLUG KM200IB14 AN1 AC INLET 1P XKP3042...
  • Page 50 XR-A3800 Mark No. Description Part No. Mark No. Description Part No. R5805 RS1/10S101J R5902–R5904 RS1/10S221J R5614, R5616 RS1/10S471J R5606–R5608 RS1/10S620J VR3901 (10k-X1) XCS3002 Other Resistors RS1/16S&&&J OTHERS X5501 (10MHz) DSS1048 2P CABLE HOLDER 51048-0200 4P CABLE HOLDER 51048-0400 CN5502 CONNECTOR 19P...

  • Page 51: Adjustment

    XR-A3800 6. ADJUSTMENT 6.1 TUNER SECTION FM Tuner Section • Set the mode selector to FM BAND. • Connect the wiring as shown in Fig. 1. FM SG (1kHz, ± 75kHz dev.) Reception Step Adjustment Adjustment Frequency Specifications Frequency Level...
  • Page 52 XR-A3800 6.2 CASSETE DECK SECTION Mechanical Adjustment • Test tape : NCT-111 (3kHz, 30min). 1. Tape Speed Adjustment Adjusting Measurement Mode Test Tape Adjustment Procedure Remarks Points Points Press the PLAY SW and adjust so that the reading ADJ. VR on...
  • Page 53 XR-A3800 REV Azimuth Adjustment Screw FWD Azimuth Adjustment Screw Fig.10 Head Azimuth Adjustment Screw Playback Adjustment (1) Head Azimuth Adjustment • Do not switch between forward and reverse operation with the screwdriver inserted. Input Signal/ Measurement Adjustment Step Mode Adjusting Points...
  • Page 54 XR-A3800 SIDE B AF ASSY FRONT TAPE TEST POINT R ch L ch (VR is nothing) L2801 VR2301 VR2302 BIAS TP POINT VR2802 Fig.11 Adjustment and Measurement Points...

  • Page 55: Test Mode

    XR-A3800 6.3 TEST MODE NOTE: There is no information to be shown in this CD adjustment. How to Start/Cancel Test Mode TEST MODE : ON TEST DISC: YEDS-7 Function CD STANDBY/ON STOP CD TEST CD TEST "TEST 4" Short Point...

  • Page 56: General Information

    XR-A3800 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY $M MECHANISM CD-2 Remove the Bonnet Case (Screws × 11) Main Cam Note: The loading tray can be pulled out $M Mechanism CD-2 when the main cam is in this position. (The Lock Lever should be in the notch of the Main Cam.)
  • Page 57 XR-A3800 FRONT PANEL Unhook Unhook PRIMARY Assy FM/AM TUNER Front Panel Module AF Assy BLUE LED Assy DISPLAY Assy DECK Mechanism Unit SECONDARY Assy $M MECHANISM CD-2 ADDITIONAL TO JOB Mechanism Base (Bottom View) Front Side...
  • Page 58 XR-A3800 Clamper Holder Servo Base Servo Mechanism Assy Hook Clamper Holder Hook Servo Base Hook $M Mechanism CD Actuater Actuater Hook FITTING THE PULLEY INTO THE CARRIAGE MOTOR For replacement of the carriage motor, fit the motor pulley by using the servicing...

  • Page 59: Parts

    XR-A3800 7.2 PARTS 7.2.1 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. PDC063A (DISPLAY ASSY : IC5501) • System Control Microcomputer IC • Pin Function −...
  • Page 60 XR-A3800 − − l l u l l u − − l l u − −...

  • Page 61: Display

    XR-A3800 7.2.2 DISPLAY XAV3009 (DISPLAY ASSY :V5621) • FL Display • Pin Assignment • Grid Assignment • Segment Designation B5 B4 B3 B2 B1 (2G) (3G to 9G) B24 B23 (1G, 10G to 15G)
  • Page 62 XR-A3800 • Pin Connection Pin No. 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 Connection F2 F2 F2 NP NP 1G 2G 3G 4G 5G 6G 7G 8G 9G...

  • Page 63: Panel Facilities And Specifications

    XR-A3800 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES Front Panel W2-2001 SURROUND MODE DISPLAY MODE PHONES REPEAT full logic aut reverse auto synchro egiting system stereo double cassette deck...
  • Page 64 XR-A3800 Front panel The illustration on this page shows the XR-A780. model: XR-A780 Not all features are available on the XR-A3800. W2-2001 SURROUND MODE DISPLAY MODE PHONES REPEAT 17 16 1 DISC-1/2/3 17 MIC LEVEL 2 AUDIO MODE 18 REPEAT...
  • Page 65 XR-A3800 Display The illustration on this page shows the XR-A780. Not all features are available on the XR-A3800. 14 13 1 Character display 2 Lights when the sleep timer has been set. 3 Lights when either the record timer or the wake up timer has been set.
  • Page 66 XR-A3800 Remote control To learn about the function of a particular button, look up the name of the button in the following alphabetical list (buttons marked with symbols appear first). Press to switch the system on or into standby. 7 (Stop)

  • Page 67: Specifications

    10 5/8 (W) x 12 5/8 (H) x 13 3/8 (D) in. CD section Weight (without package) Type ......... Compact disc digital audio system XR-A3800 ..........8.3 kg (18 lbs. 5 oz.) Wow and Flutter .......... Limit of measurement Accessories ±...

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