Pioneer XR-A6800 Service Manual
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Pioneer XR-A6800 Service Manual

Pioneer XR-A6800 Service Manual

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See also: Operating Instructions
STEREO CD CASSETTE DECK RECEIVER
XR-A6800
XR-A4800
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
XR-A6800
MYXJ
NVXJ
-
CONTENTS
1. SAFETY INFORMATION ....................................... 2
4. PCB CONNECTION DIAGRAM ........................... 32
5. PCB PARTS LIST ................................................ 46
6. ADJUSTMENT ..................................................... 53
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
XR-A4800
AC220-230V
AC230V
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
W2-2001
SURROUND MODE
DISPLAY/RDS
PHONES
REPEAT
auto synchro egiting system
full logic aut reverse
stereo double cassette deck
• XR-A6800
7. GENERAL INFORMATION ................................ 62
7.1 DIAGNOSIS .................................................. 62
7.1.1 DISASSEMBLY .................................... 62
7.2 PARTS .......................................................... 65
7.2.1 IC .......................................................... 65
7.2.2 DISPLAY ............................................... 67
ORDER NO.
RRV2328
Remarks
T - IZK JULY 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

    XR-A6800, XR-A4800 1. SAFETY INFORMATION 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

    See Contrast table (2) Fuse (T5A) See Contrast table (2) XR-A6800/MYXJ and XR-A4800/MYXJ Only (2) CONTRAST TABLE XR-A6800/MYXJ, XR-A4800/MYXJ and NVXJ are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks XR-A6800/MYXJ XR-A4800/MYXJ...
  • Page 4 XR-A6800, XR-A4800 2.2 EXTERIOR SECTION XR-A6800/MYXJ, XR-A4800/MYXJ 32 (2/3) Only 32 (1/3) 32 (3/3) XR-A6800 Refer to Only "2.4 $M MECHANISM CD-2". XR-A6800 Only XR-A6800 Only XR-A6800 XR-A6800 Only Only Note : Note : Hook Tray cap on top of loading...
  • Page 5 Wire Clip A XEC3003 Card Spacer XEC3008 XMR3012 SEC Holder A See Contrast table (2) (2) CONTRAST TABLE XR-A6800/MYXJ, XR-A4800/MYXJ and NVXJ are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks XR-A6800/MYXJ XR-A4800/MYXJ XR-A4800/NVXJ...

  • Page 6: Front Panel Section

    XR-A6800, XR-A4800 2.3 FRONT PANEL SECTION 36 43 Refer to "2.6 DECK MECHANISM UNIT".
  • Page 7 Connector Assy 5P XDE3038 JOG Lens XAK3152 V Lens XAK3153 LT Conductor XAK3155 (2) CONTRAST TABLE XR-A6800/MYXJ, XR-A4800/MYXJ and NVXJ are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks XR-A6800/MYXJ XR-A4800/MYXJ XR-A4800/NVXJ DISPLAY Assy...
  • Page 8 XR-A6800, XR-A4800 2.4 $M MECHANISM CD-2 Refer to "2.5 SERVO MECHANISM ASSY".
  • Page 9 XR-A6800, XR-A4800 (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 See Contrast table (2) Planet Gear ANW7096 TRADE Assy...
  • Page 10 XR-A6800, XR-A4800 2.6 DECK MECHANISM UNIT • DECK MECHANISM UNIT (1/2)
  • Page 11 XR-A6800, XR-A4800...
  • Page 12 XR-A6800, XR-A4800 • DECK MECHANISM UNIT (2/2)
  • Page 13 XR-A6800, XR-A4800...
  • Page 14 XR-A6800, XR-A4800 • 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 Assy’y HD Holder 50-093-4104 Frame HD 50-219-3024 Spring 01-082-4652 Plate AZ 50-119-4046 Spring 01-082-4651 Spring AZ...
  • Page 15 XR-A6800, XR-A4800...

  • Page 16: Block Diagram And Schematic Diagram

    FL TUBE REMOTE RECEIVER UNIT IC3901 BA4558F-HT MIC AMP IC5501 DISPLAY ASSY KEYs PDC063A LEDs SYSTEM MAIN VOL (XR-A6800 : XWZ3311) CONTROL (XR-A4800 : XWZ3298) MORPHING JOG CD CONTROL DECK CONTROL CN5501 CN5105 CN6201 CN3051 BN6201 IC3836 BA3838F VOCAL FADER...
  • Page 17 HA12136AF DOLBYNR IC CN3331 SPEAKERS XR-A6800 JA3441 ONLY MATRIX JA3991 PHONES SECONDARY ASSY PRIMARY ASSY (XR-A6800 : XWZ3304) (XR-A6800 : XWZ3312) (XR-A4800 : XWZ3289) (XR-A4800 : XWZ3299) POWER TRANSFORMER XR-A6800 : XTS3037 XR-A4800 : XTS3036 RY81 RY81 XR-A6800 : CN81...
  • Page 18 XR-A6800, XR-A4800 3.2 FM/AM TUNER MODULE MIX AMP RF AMP BUFFER IF AMP FM +B SW AM RF TUNING BLOCK...
  • Page 19 XR-A6800, XR-A4800 FM/AM TUNER MODULE (AXQ7068) : The power supply is shown with the marked box. AF AMP AF AMP CN6201 KP200IA14L REGULATOR...
  • Page 20 XR-A6800, XR-A4800 3.3 CD, MOTOR, SW and TRADE ASSYS CD ASSY (XR-A6800 : XWZ3233) (XR-A4800 : 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)
  • Page 21 XR-A6800, XR-A4800 : 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...
  • Page 22 XR-A6800, XR-A4800 3.4 AF ASSY (1/3) (REC) (REC) AF ASSY (XR-A6800 : XWZ3310) (XR-A4800 : XWZ3297) XR-A4800 ONLY XR-A6800 XR-A6800 ONLY ONLY -3.7 (XR-A6800) (REC) (REC) (PB) XR-A4800 ONLY R2311, R2312 XR-A6800 : 27k XR-A4800 : 22k XR-A6800 ONLY XR-A4800...
  • Page 23 ONLY IC2101 BA4558F-HT (PB) XR-A4800 XR-A4800 ONLY ONLY (PB) (PB) (PB) (PB) (REC) (REC) XR-A6800 : 3.9k XR-A4800 : 0Ω (PB) (PB) XR-A4800 (REC) XR-A6800 : 3.9k ONLY (REC) XR-A4800 : 0Ω XR-A6800 : 22k (REC) (REC) XR-A4800 : 0Ω...
  • Page 24 XR-A6800, XR-A4800 3.5 AF ASSY (2/3) AF ASSY CN8204 (XR-A6800 : XWZ3310) (XR-A4800 : XWZ3297) 52045-0845 LC75394NED IC5691 BA4558F-HT IC5691 XR-A6800 : HLEM27S-1 BA4558F-HT XR-A4800 : 52045-2745 CN5501...
  • Page 25 : AUDIO SIGNAL ROUTE : TUNER AUDIO SIGNAL ROUTE CN6201 : CD AUDIO SIGNAL ROUTE : DECK PB SIGNAL ROUTE : DECK REC SIGNAL ROUTE 4.332MHz C5753 XR-A6800 : 1000p IC3101 XR-A4800 : 100p BA4558F-HT XR-A6800 IC3102 ONLY BA4558F-HT IC3101...
  • Page 26 XR-A6800, XR-A4800 3.6 AF (3/3) and SECONDARY ASSYS XR-A6800 : STK407-090B XR-A4800 : STK407-070B XR-A6800 : IRF9540A XR-A4800 : IRFI9Z34G 1SR139-100 1SR139-100 8.2k 8.2k IC3502 XR-A6800 : BA4558F-HT IR540A XR-A4800 : IRFIZ34G IC3501 BA4558F-HT IC3502 BA4558F-HT XR-A6800 : IC3501 XR-A4800 :...
  • Page 27 TYPE NO. 491007 MFD, BY LITTELFUSE INK. TYPE NO. 491007 MFD, BY LITTELFUSE INK. FOR IC12 (AEK7021 : XR-A4800). FOR IC21 and IC22 (AEK7047 : XR-A6800). CAUTION : FOR CONTINUED PROTECTION AGAINST CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME RISK OF FIRE.
  • Page 28 XR-A6800, XR-A4800 3.7 PRIMARY ASSY POWER TRANSFORMER XR-A6800 : XTS3037 XR-A4800 : XTS3036 NJM7805-FA S1WB(A)60SD...
  • Page 29 • NOTE FOR FUSE REPLACEMENT CAUTION - FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE WITH SAME TYPE AND RATINGS ONLY. PRIMARY ASSY (XR-A6800 : XWZ3312) (XR-A4800 : XWZ3299) XR-A6800 : AEK1061 (T5A) XR-A4800 : AEK1060 (T4A) XR-A6800 : ATF1136 XR-A4800 : XTF3001...
  • Page 30 XR-A6800, XR-A4800 3.8 DISPLAY and BLUE LED ASSYS DISPLAY ASSY (XR-A6800 : XWZ3311) (XR-A4800 : XWZ3298) XR-A6800 : 1.2k MAIN XR-A4800 : 680 BLUE LED ASSY (XWZ3292) 10MHz D5601-D5608, D5618, D5622 : SLP3118C51H D5617, D5621 : SLP6118C51H XR-A6800 ONLY DTC124EK...
  • Page 31 XR-A6800, XR-A4800 : The power supply is shown with the marked box. CN5105 CN8201 CN81 HLEM27R-1 HLEM15R-1 XR-A6800 ONLY DISPLAY ASSY S5911 : DISC-1 S5926 : TUNER BAND S5951 : VOLUME S5912 : DISC-3 S5927 : RANDOM S5952 : JOG...

  • Page 32: Pcb Connection Diagram

    XR-A6800, XR-A4800 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 XR-A6800, XR-A4800 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-A6800, XR-A4800 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-A6800, XR-A4800 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-A6800, XR-A4800 4.4 AF ASSY CN6201 AF ASSY VR2302 VR2301 VR2802 VR2801 Q3081 Q2803 Q2801 Q2804 IC32 IC51 IC42 Q3352 Q3351 IC3302...
  • Page 37 XR-A6800, XR-A4800 CN8204 CN5501 DECK MECHANISM UNIT SIDE A 02 VR2301 VR2303 VR2305 (XNP3025-C) 02 VR2801 VR2304 VR2306 IC2301 IC3302 IC3301...
  • Page 38 XR-A6800, XR-A4800 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-A6800, XR-A4800 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-A6800, XR-A4800 4.5 PRIMARY ASSY PRIMARY ASSY POWER TRANSFORMER AC IN IC81 IC82 Q81 (XNP3026-C) SIDE A...
  • Page 41 XR-A6800, XR-A4800 PRIMARY ASSY (XNP3026-C) SIDE B...
  • Page 42 XR-A6800, XR-A4800 4.6 DISPLAY and BLUE LED ASSYS BLUE LED ASSY DISPLAY ASSY CN8201 CN81 VR3931...
  • Page 43 XR-A6800, XR-A4800 DECK MECHANISM UNIT CN5105 SIDE A (XNP3026-C) VR3931 VR3901...
  • Page 44 XR-A6800, XR-A4800 DISPLAY ASSY Q2906 Q2911 IC5501 Q5650-Q565 Q2904 Q2903 Q2910 Q5501 Q5658 Q2908 IC3931 Q5502 Q5825 Q5826 Q2907 Q2901 Q5556...
  • Page 45 XR-A6800, XR-A4800 BLUE LED ASSY SIDE B (XNP3026-C) Q5650-Q5655 Q5823 Q5827 Q5602 Q5822 IC3901 Q5657 Q5824 Q5601 Q5604 Q5801 Q5821...

  • Page 46: Pcb Parts List

    XR-A6800, XR-A4800 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 R5601, R5613, R5617 RD1/4PU151J Not used R5618, R5620, R5622 RS1/16S222J Not used R5619, R5621, R5623 RS1/16S330J Not used PCB PARTS LIST FOR XR-A6800/MYXJ UNLESS OTHERWISE NOTED Mark No. Description Part No. Mark No. Description Part No. CAPACITORS FM/AM TUNER MODULE...
  • Page 48 XR-A6800, XR-A4800 Mark No. Description Part No. Mark No. Description Part No. C6115,C6125,C6126,C6211,C6254 CKSQYB102K50 C8301 CEAT102M6R3 C6601 CKSQYB102K50 C8409,C8411 CEAT221M10 C6102,C6114,C6121,C6123,C6124 CKSQYB103K50 C8109,C8111 CEAT330M25 C6210,C6213,C6237,C6267,C6276 CKSQYB103K50 C8351 CEAT331M10 C6279,C6281,C6604 CKSQYB103K50 C8238 CEATR47M50 C6251,C6252 CKSQYB123K50 C8407,C8408 CKSQYB102K50 C6606,C6607 CKSQYB182K50 C8204-C8206,C8237,C8253,C8373 CKSQYB103K50...
  • Page 49 XR-A6800, XR-A4800 Mark No. Description Part No. Mark No. Description Part No. CAPACITORS AF ASSY (XWZ3310) C3345,C3346 (0.01µF) ACG7021 SEMICONDUCTORS C5756 CCSQCH561J50 C2301,C2302 CCSRCH100D50 IC3836 BA3838F C3001,C3002,C3047,C3048,C3858 CCSRCH101J50 IC2101,IC3101,IC3102,IC3501,IC3502 BA4558F-HT C2192 CCSRCH220J50 IC5691 BA4558F-HT IC5751 BU1923F C5751,C5752,C5755 CCSRCH270J50 IC5891,IC5892 BU4094BCF...
  • Page 50 XR-A6800, XR-A4800 Mark No. Description Part No. Mark No. Description Part No. C3855 CKSRYB472K50 IC2301 HA12211NT C3101,C3111,C3112,C3844,C3850 CKSRYB473K16 IC3001 LC75394NED C2303,C2304,C2343,C2344 CKSRYB561K50 IC42 NJM7805FA C3029,C3030 CKSRYB563K16 IC32 NJM7812FA C3019,C3020,C3031,C3032 CKSRYB682K50 IC3301 STK407-070B C3503,C3504 CKSRYB682K50 Q3354,Q3601,Q3621,Q5751 2SA1037K C2307,C2308,C2331,C2332 CKSRYB821K50 Q2803,Q2804 2SC1815...
  • Page 51 XR-A6800, XR-A4800 Mark No. Description Part No. Mark No. Description Part No. C3313,C3314 CEANP2R2M50 R3330,R3611,R3612 RS1/10S223J C2810,C3045,C3115,C32,C33 CEAT100M50 R2001 RS1/10S471J C35,C3602,C3842,C43 CEAT100M50 R3319,R3320 RS1/10S561J C5691,C5692,C5758 CEAT100M50 R3355,R3356 RS1/10S563J C2002,C2316 CEAT101M16 R3315,R3316,R3603,R3604 RS1/10S823J C3303,C3304 CEAT101M50 RS1LMF821J C2312,C2313,C3035,C3036,C3110 CEAT1R0M50 R3991,R3992 RS2LMF331J C3506...
  • Page 52 XR-A6800, XR-A4800 Mark No. Description Part No. Mark No. Description Part No. C5821 CEAL100M16 COIL C5803 CEJA1R0M50 LINE FILTER ATF1136 C3901,C3902,C3904,C3906 CEJA2R2M50 C3905,C5510,C5811,C5814 CEJA470M16 TRANSFORMERS C5997,C5998 CKSQYB104K25 XTT3004 C5999 CKSQYB105K10 C5625 CKSQYF224Z25 RELAY C5804,C5951,C5953 CKSRYB102K50 RY81 ASR7018 C3911,C3951,C3952,C5995,C5996 CKSRYB103K50 C5816...

  • Page 53: Adjustment

    XR-A6800, XR-A4800 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...
  • Page 54 XR-A6800, XR-A4800 6.2 CASSETTE DECK SECTION 6.2.1 For XR-A6800 • Adjustment points and test points are shown in Fig.3, Fig.5 and Fig.7. Mechanical Adjustment • Test tape : NCT-111 (3kHz, 30min). 1. Tape Speed Adjustment Adjusting Measurement Mode Test Tape...
  • Page 55 XR-A6800, XR-A4800 0 dB 0 dB: 315 Hz, 250 nwb/m 10s ......................10s 315Hz –20 dB 12.5 6.3kHz 10kHz 315Hz 14kHz 10kHz 8kHz 4kHz 2kHz 1kHz 63Hz 40Hz Fig.4 STD-331E Test Tape Playback Adjustment (1) Head Azimuth Adjustment • Do not switch between forward and reverse operation with the screwdriver inserted.
  • Page 56 XR-A6800, XR-A4800 Recording Adjustment (1) Bias Oscillation Frequency Adjustment Input Signal/ Measurement Adjustment Step Mode Adjusting Points Remarks Test Tape Points Value Deck ΙΙ Oscillation If the REC/STOP button for four Load the STD-632 test seconds while the power is in STAND...
  • Page 57 XR-A6800, XR-A4800 AF ASSY SIDE A FRONT TAPE TEST POINT L ch R ch VR2303 VR2305 VR2302 VR2301 VR2304 VR2306 L2801 VR2802 VR2801 Fig.7 Adjustment and Measurement Points...
  • Page 58 XR-A6800, XR-A4800 6.2.2 For XR-A4800 • Adjustment points and test points are shown in Fig.8, Fig.10 and Fig.11. Mechanical Adjustment • Test tape : NCT-111 (3kHz, 30min). 1. Tape Speed Adjustment Adjusting Measurement Mode Test Tape Adjustment Procedure Remarks Points...
  • Page 59 XR-A6800, XR-A4800 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...
  • Page 60 XR-A6800, XR-A4800 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 61: Test Mode

    XR-A6800, XR-A4800 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 62: General Information

    XR-A6800, XR-A4800 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.

  • Page 63: Front Panel

    XR-A6800, XR-A4800 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 64 XR-A6800, XR-A4800 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 65: Parts

    XR-A6800, XR-A4800 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 66 XR-A6800, XR-A4800 − − l l u l l u − − l l u − −...

  • Page 67: Display

    XR-A6800, XR-A4800 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 68 XR-A6800, XR-A4800 • 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 69: Panel Facilities And Specifications

    XR-A6800, XR-A4800 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES Front Panel W2-2001 SURROUND MODE DISPLAY/RDS PHONES REPEAT Auto Synchro Editing System Full Logic Auto Reverse Stereo Double Cassette Deck...
  • Page 70 XR-A6800, XR-A4800 The illustration on this page shows the XR-A6800. Not all features are available on the XR-A4800. model: XR-A6800 W2-2001 SURROUND MODE DISPLAY/RDS PHONES REPEAT 17 16 1 DISC-1/2/3 12 MONO 2 AUDIO MODE 13 TIMER / CLOCK ADJ...
  • Page 71 12 Lights when the tuner is receiving a stereo FM 5 Lights when the tuner is set to mono FM mode. broadcast in auto stereo mode. 6 Lights when in beat cut 2 mode. (XR-A6800 model 13 Lights when recording to tape. only) 14 Lights during automatic recording of a CD.

  • Page 72: Remote Control Unit

    XR-A6800, XR-A4800 Remote Control Unit 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.

  • Page 73: Specifications

    Continuous Power Output RMS (1 kHz, T.H.D. 10%, 6 Ω) AC 230 V, 50/60 Hz (U.K. models) Power Consumption XR-A6800 ..........140 W + 140 W XR-A6800 ............. 150 W XR-A4800 ..........100 W + 100 W XR-A4800 ............. 120 W DIN (1 kHz, T.H.D.

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