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Pioneer XR-A660 Service Manual

Cd cassette deck receiver
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STEREO CD CASSETTE DECK RECEIVER
XR-A660
XR-A330
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Type
XR-A660
KUCXJ
YPWXJ
CONTENTS
1. SAFETY INFORMATION ...................................... 2
3. SCHEMATIC DIAGRAM ..................................... 18
4. PCB CONNECTION DIAGRAM .......................... 34
5. PCB PARTS LIST ............................................... 46
6. ADJUSTMENT .................................................... 53
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
Model
Power Requirement
XR-A330
AC120V
AC240V
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
XR-A660
7. GENERAL INFORMATION ............................... 62
7.1 PARTS ......................................................... 62
7.1.1 IC ......................................................... 62
7.1.2 DISPLAY .............................................. 69
7.2 DISASSEMBLY ........................................... 73
7.3 BLOCK DIAGRAM ....................................... 76
T - ZZK DEC. 1998 Printed in Japan
ORDER NO.
RRV2064
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 XR-A660, XR-A330 LABEL CHECK (for YPWXJ type) IMPORTANT THIS PIONEER APPARATUS CONTAINS 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 INSTRUCTED PERSON.

  • Page 4: Exploded Views And Parts List

    XR-A660, XR-A330 2. EXPLODED VIEWS AND PARTS LIST • Parts marked by "NSP" and can not be supplied. NOTES: • 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.
  • Page 5 Battery Cover AZA7204 Dry Cell Battery (R6P, AA) VEM-013 Polyethylene Bag Z21-038 Front Pad See Contrast table (2) Rear Pad See Contrast table (2) (2) CONTRAST TABLE XR-A660/KUCXJ, YPWXJ, XR-A330/KUCXJ and YPWXJ are constructed the same except for the following :...
  • Page 6 XR-A660, XR-A330 2.2 EXTERIOR (1/2) KUCXJ Type only Note : Hook Tray cap on top of loading tray and then insert the bottom three hooks. Note : Attatch on the same numbers × three. XR-A330 only Refer to "2.5 $M MECHANISM CD".
  • Page 7 Cord Stopper See Contrast table (2) Push Rivet See Contrast table (2) Cushion Rubber XEB3002 Screw VBZ30P080FZK 65 Label See Contrast table (2) (2) CONTRAST TABLE XR-A660/KUCXJ, YPWXJ, XR-A330/KUCXJ and YPWXJ are constructed the same except for the following :...
  • Page 8 XR-A660, XR-A330 2.3 EXTERIOR (2/2) YPWXJ Type only KUCXJ Type only XR-A660 only XR-A660 only XR-A330 only XR-A660 only 28 27 XR-A330 only XR-A660 only Refer to "2.4 FRONT PANEL SECTION".
  • Page 9 Fuse Caution Label See Contrast table (2) Fuse Card See Contrast table (2) Locking Spacer See Contrast table (2) Card Spacer See Contrast table (2) (2) CONTRAST TABLE XR-A660/KUCXJ, YPWXJ, XR-A330/KUCXJ and YPWXJ are constructed the same except for the following :...

  • Page 10: Front Panel Section

    XR-A660, XR-A330 2.4 FRONT PANEL SECTION XR-A660 only XR-A330 only XR-A660 only XR-A330 only 34(1/2) XR-A660 only 34(2/2) XR-A330 only XR-A660 only XR-A330 only Refer to "2.7 and 2.8 MECHANISM UNIT".
  • Page 11 TIMER Button See Contrast table (2) Latch Mold L XMR3001 Binder See Contrast table (2) Latch Mold R XMR3002 GND Plate B XNG3005 (2) CONTRAST TABLE XR-A660/KUCXJ, YPWXJ, XR-A330/KUCXJ and YPWXJ are constructed the same except for the following :...
  • Page 12 XR-A660, XR-A330 2.5 $M MECHANISM CD Refer to "2.6 SERVO MECHANISM ASSY".
  • Page 13 2.6 SERVO MECHANISM ASSY • $M MECHANISM CD PARTS LIST Mark No. Description Part No. MOTOR Assy AWZ8428 SW Assy AWZ8429 CD Assy (XR-A660) XWZ3141 CD Assy (XR-A330) XWZ3050 • • • • • Servo Spring ABH7126 Belt AEB7072 Clamp Magnet...
  • Page 14 XR-A660, XR-A330 2.7 MECHANISM UNIT (XR-A660) Mech. ΙΙ Only Mech. Ι Only Mech. ΙΙ Mech. Ι Mech. ΙΙ Mech. Ι Only Mech. ΙΙ...
  • Page 15 XR-A660, XR-A330 • MECHANISM UNIT PARTS LIST Mark No. Description Part No. Plate HD BLK (Mech. Ι) F513-819 Plate HD BLK (Mech. ΙΙ) F513-811 Motor Main BLK (Mech. ΙΙ only) F525-324 PCB Control BLK F567-621 Clutch Assy BLK F522-037 Main Belt FF17G-31 Joint Belt 113 (Mech.
  • Page 16 XR-A660, XR-A330 2.8 MECHANISM UNIT (XR-A330) Mech. ΙΙ Only Mech. Ι Only Mech. ΙΙ Mech. Ι Mech. ΙΙ Mech. ΙΙ Only Mech. ΙΙ Only Mech. ΙΙ Only Mech. Ι...
  • Page 17 XR-A660, XR-A330 • MECHANISM UNIT PARTS LIST Mark No. Description Part No. Plate HD BLK (Mech. ΙΙ) F513-811 Plate HD BLK (Mech. Ι) F513-825 Motor Main BLK (Mech. ΙΙ only) F525-324 PCB Control BLK F567-622 Clutch Assy BLK F522-037 Main Belt FF17G-31 •...

  • Page 18: Schematic Diagram

    CD SW LED ASSY (XWZ3086) XR-A660 ONLY FM/AM TUNER MODULE (AXQ7065) CN6201 1/3, 2/3, AF ASSY (XR-A660 : XWZ3089) (XR-A330 : XWZ3045) XR-A660 ONLY CD ASSY (XR-A660 : XWZ3141) (XR-A330 : XWZ3050) CARRIAGE MOTOR SERVO MECHANISM ASSY SW ASSY ASSY...
  • Page 19 XR-A660, XR-A330 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". DISPLAY ASSY (XR-A660/KUCXJ : XWZ3092) (XR-A660/YPWXJ : XWZ3110) (XR-A330/KUCXJ : XWZ3058) (XR-A330/YPWXJ : XWZ3047) XR-A660 ONLY XR-A660 ONLY...
  • Page 20 XR-A660, XR-A330 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 21 XR-A660, XR-A330 AF AMP AF AMP REGULATOR...
  • Page 22 XR-A660, XR-A330 3.3 CD, MOTOR and SW ASSEMBLIES CD ASSY (XR-A660 : XWZ3141) (XR-A330 : XWZ3050) MOTOR ASSY (AWZ8428) CARRIAGE MOTOR J8502 D20PWW0405E SERVO MECHANISM ASSY AXA7039...
  • Page 23 XR-A660, XR-A330 Note: The encircled numbers denote measuring point in the schematic diagram. CN8005- Pin 1 : PLAY MODE (RF) H : 500nsec/div 1.8Vp-p VREF CN8005- Pin 2 : TEST MODE, Tracking Open(TRER) H : 5msec/div C8308 1000p 1.0Vp-p C8307...
  • Page 24 XR-A660, XR-A330 3.4 AF ASSY (1/3) AF ASSY (XR-A660 : XWZ3089) (XR-A330 : XWZ3045) XR-A330 ONLY XR-A660 ONLY XR-A660 ONLY C2335 27p 22k(XR-A660) 39k(XRA330) XR-A330 ONLY XR-A660 ONLY XR-A330 ONLY C2336 27p : DECK PB SIGNAL ROUTE : DECK REC SIGNAL ROUTE...
  • Page 25 XR-A660, XR-A330 XR-A330 ONLY XR-A330 ONLY XR-A330 ONLY XR-A330 XR-A330 ONLY ONLY 22k(XR-A660) 0(XR-A330) 22k(XR-A660) 0(XR-A330) XR-A330 ONLY XR-A330 XR-A660 ONLY ONLY XR-A660 ONLY XR-A660 ONLY...
  • Page 26 XR-A660, XR-A330 3.5 AF ASSY (2/3) CN8004 XR-A660 ONLY 6.8k(XR-A660) 0k(XR-A330) 6.8k(XR-A660) 3.9k(XR-A330) 2.2/50(XR-A660) 0.47/50(XR-A330) 6.8k(XR-A660) 0k(XR-A330) 6.8k(XR-A660) 3.9k(XR-A330) XR-A330 ONLY 2.7k(XR-A660) 56k(XR-A330) XR-A660 CN5501 ONLY...
  • Page 27 XR-A660, XR-A330 CN6201 AF ASSY (XR-A660 : XWZ3089) (XR-A330 : XWZ3045) : AUDIO SIGNAL ROUTE : CD AUDIO SIGNAL ROUTE : TUNER AUDIO SIGNAL ROUTE : DECK PB SIGNAL ROUTE : DECK REC SIGNAL ROUTE XR-A660 ONLY XR-A660 ONLY...
  • Page 28 XR-A660, XR-A330 3.6 AF (3/3) and SECONDARY ASSEMBLIES IC3301 STK407-070B(XR-A660) STK407-050B(XR-A330)
  • Page 29 TYPE NO. 4911.25 MFD, BY LITTELFUSE INK. TYPE NO. 491005 MFD, BY LITTELFUSE INK. (XR-A660 : XWZ3089) FOR IC71 (AEK7010). FOR IC21 AND IC22 (AEK7046: XR-A660). CAUTION : FOR CONTINUED PROTECTION AGAINST CAUTION : FOR CONTINUED PROTECTION AGAINST (XR-A330 : XWZ3045) RISK OF FIRE.
  • Page 30 XR-A660, XR-A330 3.7 PRIMARY and SUB TRANS ASSEMBLIES PRIMARY ASSY (KUCXJ : XWZ3059) (YPWXJ : XWZ3051) KUCXJ ONLY YPWXJ ONLY YPWXJ ONLY KUCXJ ONLY KUCXJ ONLY YPWXJ ONLY YPWXJ ONLY SUB TRANS ASSY (KUCXJ : XWZ3060) (YPWXJ : XWZ3052)
  • Page 31 10000pF/AC250V • NOTE FOR FUSE REPLACEMENT CAUTION - FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE WITH SAME TYPE AND RATINGS ONLY. XR-A660/KUCXJ : REK1083 (5A) XR-A660/YPWXJ : AEK1057 (T2A) XR-A330/KUCXJ : REK1082(4A) XR-A330/YPWXJ : AEK1056 (T1.6A) YPWXJ ONLY KUCXJ : AKP7032...
  • Page 32 XR-A660, XR-A330 3.8 DISPLAY and CD SW LED ASSEMBLIES DISPLAY ASSY DISPLAY ASSY (XR-A660/KUCXJ : XWZ3092) S5911 : DISPLAY S5926 : DOLBY NR ON/OFF S5912 : TIMER S5927 : ASES/COPY (XR-A660/YPWXJ : XWZ3110) S5913 : ENTER S5928 : AUX S5929 : TAPE Ι/ΙΙ...
  • Page 33 XR-A660, XR-A330 2/3 CN5101 CN5501 52045-3845 SLP9118C51H(XR-A660) SLP7118C51H(XR-A330) XR-A660 XR-A660 KUCXJ ONLY ONLY ONLY XR-A660 ONLY XR-A660 XR-A660 ONLY ONLY 1SS183 XR-A330 XR-A660 ONLY ONLY XR-A330 ONLY 1SS181 1SS181 S5937 : OPEN/CLOSE S5938 : DISC CHANGE S5939 : DISC 3 SELECT...

  • Page 34: Pcb Connection Diagram

    XR-A660, XR-A330 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 35 XR-A660, XR-A330 4.1 FM/AM TUNER MODULE SIDE A CN3051 FM/AM TUNER MODULE VR6201 Q6204 Q6203 SIDE B FM/AM TUNER MODULE IC6201 Q6201 Q6202 Q6301 Q6303 Q6302 Q6304 Q6401 IC6202 Q6214 Q6403 Q6306 Q6402 Q6404 Q6205 (ANP7159-B)
  • Page 36 XR-A660, XR-A330 4.2 CD, MOTOR and SW ASSEMBLIES SW ASSY MOTOR LOADING ASSY MOTOR SERVO MECHANISM ASSY Q8101 PICKUP ASSY Q8254 Q8252 Q8251 Q8253 CN1051 SIDE A (ANP7144-E) CD ASSY...
  • Page 37 XR-A660, XR-A330 SW ASSY MOTOR ASSY IC8201 IC8101 IC8301 SIDE B (ANP7144-E) CD ASSY...
  • Page 38 XR-A660, XR-A330 4.3 AF ASSY MECHANISM CN6201 UNIT AF ASSY VR2302 VR230 VR2802 VR280 SIDE A Q3081 Q2803 Q2804 Q2801 IC32 IC51 IC42 Q3352 Q3351...
  • Page 39 XR-A660, XR-A330 CN8004 CN5501 MECHANISM UNIT MECHANISM UNIT (XNP3008-C) VR2302 VR2301 VR2303 VR2306 VR2802 VR2801 IC2301 IC3301...
  • Page 40 XR-A660, XR-A330 AF ASSY (XNP3008-C) IC5891 IC2101 IC5892 Q3605 Q3608 Q2301 Q2204 Q2203 Q2 Q2802 Q2306 Q2105 Q3601 Q3603 Q2302 IC2201 SIDE B IC3301 Q3314 Q3313 Q3312 Q331...
  • Page 41 XR-A660, XR-A330 IC2101 Q2201 Q2202 Q5751 Q5752 IC5691 IC3001 Q2204 Q2203 Q2103 IC5751 IC3951 IC3101 IC3103 IC2201 Q3353 Q3354 Q2805 Q2807 Q3101 Q3102 Q3312 Q3311 Q3351 Q3352 IC42 IC51 IC32...

  • Page 42: Primary Assy

    XR-A660, XR-A330 4.4 SECONDARY and PRIMARY ASSEMBLIES SECONDARY ASSY IC71 IC11 IC31 IC12 IC41 IC21 IC22 (XNP3008-C) POWER TRANSFORMER (T1) (XNP3012-B) PRIMARY ASSY SIDE A...
  • Page 43 XR-A660, XR-A330 4.5 SUB TRANS ASSY SUB TRANS ASSY CN81 AC IN LIVE NEUTRAL (XNP3012-B) SIDE A...
  • Page 44 XR-A660, XR-A330 4.6 DISPLAY and CD SW LED ASSEMBLIES DISPLAY ASSY CN5101 MECHANISM UNIT CD SW LED ASSY (XNP3012-B) SIDE A...
  • Page 45 XR-A660, XR-A330 DISPLAY ASSY Q2903 Q2901 Q2906 Q2908 Q2907 Q5605 IC5601 Q2904 IC5501 Q2910 Q2911 Q5801 Q5502 Q5501 Q5821 IC5631 CD SW LED ASSY Q5606 Q5601 Q5604 IC3901 (XNP3012-B) SIDE B IC3931...

  • Page 46: Pcb Parts List

    XR-A660, XR-A330 Mark No. Description Part No. Mark No. Description Part No. 5. PCB PARTS LIST • Parts marked by "NSP" and can not be supplied. NOTES: • mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 47 XR-A660, XR-A330 Mark No. Description Part No. Mark No. Description Part No. C6413 CCSQRH180J50 (2) PARTS LIST FOR XWZ3141 C6414 CCSQRH8R0D50 SEMICONDUCTORS C6405 CCSQTH150J50 C6234, C6235 CEAL1R0M50 IC8201 BA5923FP C6245 CEAL470M16 IC8101 LA9241ML IC8301 LC78622NE C6224 CEAT100M50 Q8101 2SA1048 C6243...
  • Page 48 XR-A660, XR-A330 Mark No. Description Part No. Mark No. Description Part No. D71, D72 S5688G MOTOR ASSY COILS AND FILTERS SWITCHES AND RELAYS L3331, L3332 ATH-133 S8503 ASG7009 L2801 ATX7002 L1651, L3991 LAU4R7J OTHERS L2301, L2302 LTA822J F2201, F2202 RTF1209...
  • Page 49 XR-A660, XR-A330 Mark No. Description Part No. Mark No. Description Part No. C3019, C3020, C3031, C3032 CKSQYB682K50 D3301, D3302 1SR139-100 C3025, C3026 CKSQYB683K25 D2301–D2306, D3351–D3354 1SS133 C3331–C3333 CKSQYF104Z50 D3361, D3362, D3601, D3603, D3604 1SS133 C2801 CQHA822J2A D3621, D3622, D3625, D3626, D5891 1SS133...
  • Page 50 XR-A660, XR-A330 Mark No. Description Part No. Mark No. Description Part No. C2323, C2326, C3029, C3030 CKSQYB273K50 OTHERS C2808, C2809 CKSQYB332K50 15P CABLE HOLDER 51063-1505 C2333, C2334 CKSQYB392K50 JUMPER WIRE D15A15-350-2651 C2807 CKSQYB472K50 C2331, C2332, C3013, C3014 CKSQYB681K50 C3019, C3020, C3031, C3032...
  • Page 51 XR-A660, XR-A330 Mark No. Description Part No. Mark No. Description Part No. R2907, R2909, R2910, R5611, R5919 RD1/4PU102J R5915 RD1/4PU181J DISPLAY ASSY (XWZ3092 and XWZ3110) R5925 RD1/4PU331J R5605, R5606, R5612, R5613, R5926 RD1/4PU561J (1) CONTRAST TABLE R2902, R5604, R5607–R5610 RD1/4PU681J...
  • Page 52 XR-A660, XR-A330 Mark No. Description Part No. Mark No. Description Part No. C5995, C5996 CKSQYB103K50 C5816, C5997–C5999 CKSQYB104K25 C5509, C5951–C5954 CKSQYB471K50 C5506–C5508 CKSQYB472K50 C5634, C5901 CKSQYF104Z50 C5625 CKSQYF224Z25 C5503, C5504, C5813, C5822 CKSQYF473Z50 RESISTORS R5529 (470Ω) ACN7056 R5554, R5561, R5562 (1.5Ω) ACN7062 R5558, R5563, R5564 (47kΩ)

  • Page 53: Adjustment

    XR-A660, XR-A330 6. ADJUSTMENT 6.1 TUNER SECTION 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...
  • Page 54 XR-A660, XR-A330 6.2 CASSETTE DECK SECTION 6.2.1 For XR-A660 • 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 ± r i f & r i f ±...
  • Page 55 XR-A660, XR-A330 0 dB 0 dB: 315 Hz, 250 nwb/m 10s ......................10s 315Hz –20 dB 12.5 10kHz 8kHz 6.3kHz 10kHz 315Hz 14kHz 4kHz 2kHz 1kHz 63Hz 40Hz Fig. 4 STD-331E Test Tape Playback Adjustment (1) Head Azimuth Adjustment •...
  • Page 56 XR-A660, XR-A330 Recording Adjustment (1) Bias Oscillation Frequency Adjustment                       l l i e l i l l i ±...
  • Page 57 XR-A660, XR-A330 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-A660, XR-A330 6.2.2 For XR-A330 • 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 ± r i f & r i f ± Tape Speed ADJ.
  • Page 59 XR-A660, XR-A330 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. c i l Recording Adjustment (1) Bias Oscillation Frequency Adjustment ...
  • Page 60 XR-A660, XR-A330 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-A660, XR-A330 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 CD TEST Short Point Function CD STANDBY/ON CD TEST "TEST 4"...

  • Page 62: General Information

    XR-A660, XR-A330 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. HA12136AF (AF ASSY : IC2201) • Dolby B Type NR System IC •...
  • Page 63 XR-A660, XR-A330 • Pin Function z i l LC75394NED (AF ASSY : IC3001) • Electrical Volume IC • Pin Function t i c t i c t i c t i c t i c t i c t i c...
  • Page 64 XR-A660, XR-A330 • Block Diagram LF4C3 RF4C3 LF4C2 RF4C2 LF4C1 RF4C1 LF3C3 RF3C3 LF3C2 RF3C2 LF3C1 RF3C1 LATCH LF2C3 RF2C3 LF2C2 RF2C2 LF2C1 RF2C1 DECODER LF1C3 RF1C3 LF1C2 RF1C2 LF1C1 RF1C1 SHIFT REGISTER LTIN RTIN LSELO RSELO LINVIN1 RINVIN1 CONTROL...
  • Page 65 XR-A660, XR-A330 STK407-070B (AF ASSY : IC3301)(XR-A660) STK407-050B (AF ASSY : IC3301)(XR-A330) • Audio IC • Block Diagram TR21 TR14 TR13 TR18 TR11 TR23 TR16 TR15 TR20 TR10 TR22 TR12 TR24 TR17 TR19...
  • Page 66 XR-A660, XR-A330 PDC048A (DISPLAY ASSY : IC5501) • System Control Microcomputer • Pin Function – – – – – – – l a i – l a i l a i l a i...
  • Page 67 XR-A660, XR-A330 LC78622NE (CD ASSY : IC8301) • CD DSP IC • Block Diagram 64 11 32 33 62 23 8 DEFI VCO clock Slice level 2k × 8-bits RAM address control oscillator EFMIN generator clock control Interpolation Sync mute...
  • Page 68 XR-A660, XR-A330 − i g i e l l l a i l l u t s i l i u i - t y f i − − − − − l l i l l i − l l i...

  • Page 69: Display

    XR-A660, XR-A330 7.1.2 DISPLAY 7 XAV3004 (DISPLAY ASSY : V5621)(XR-A660) • FL Display • Pin Assignment • Grid Assignment (2G) (2G to 9G) (7G) (9G) (9G) (16G to 10G)
  • Page 70 XR-A660, XR-A330 • Pin Connection Pin No. Connection F2 Pin No. Connection P7 NOTE 1) F1, F2... Filament 2) NP....No pin 3) DL....Datum Line 4) 1G to 16G..Grid • Anode Connection 3G to 6G 10G to 16G –...
  • Page 71 XR-A660, XR-A330 7 XAV3003 (DISPLAY ASSY : V5621) (XR-A330) • FL Display • Pin Assignment • Grid Assignment (10G) (14G) (2G to 9G) • Pin Connection Pin No. Connection F2 Pin No. Connection P7 NOTE 1) F1, F2..Filament 2) NP....No pin 3) NX....
  • Page 72 XR-A660, XR-A330 • Anode Connection 2G 3G to 6G 10G 11G 13G 14G B10 R10 B11 R11 B12 R12 – – – – – – – – – – – – – – – – – – – – –...

  • Page 73: Disassembly

    XR-A660, XR-A330 7.2 DISASSEMBLY $M MECHANISM CD × 3 Bonnet Case × 2 × 2 × 2 × 2 × 2 Tray Cap Main Cam × 3 Note: The loading tray can be pulled out Unhook when the main cam is in this position.

  • Page 74: Front Panel

    XR-A660, XR-A330 FRONT PANEL Unhook Unhook CD SW LED Assy FM/AM TUNER MODULE (XR-A660 only) AF Assy Front Panel DISPLAY Assy SUB TRANS Assy PRIMARY Assy SECONDARY Assy $M MECHANISM CD ADDITIONAL TO JOB Mechanism Base (Bottom View) Front Side...
  • Page 75 XR-A660, XR-A330 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 76: Block Diagram

    XR-A660, XR-A330 7.3 BLOCK DIAGRAM DUMMY TUNER IC3001 ZOOM BASS MODULE SURROUND BLASTER LC75394 (-2dB) FUNCTION $ MECH (-8dB) (200mV) (-8dB) TONE BUSS (3 BAND) TAPE DECK (-3.8dB) (+2dB) (-6dB) To R ch From R ch BASS BLASTER XR-A660 ONLY...
  • Page 77 XR-A660, XA-A330 IC3301 POWER AMP FRONT TOTAL GAIN (+26dB : XR-A660) MAIN VOL. (+24dB : XR-A550) STK407-050 (+27dB : XR-A330) (+38dB : XR-A660) (+36dB : XR-A550) HEAD (+39dB : XR-A330) PHONE CN3991 XR-A660 ONLY TAPE IC2301 IC2201 DECK REC IN...

  • Page 78: Panel Facilities And Specifications

    XR-A660, XR-A330 8. PANEL FACILITIES AND SPECIFICATIONS • PANEL FACILITIES 7 XR-A330 ¡ £ ¢ ™ ∞ § $ % ^ * & ¶•ªº DISC-1 select button & indicator ASES/COPY button DISC-2 select button & indicator TAPE Eject button (0) DISC-3 select button &...

  • Page 79: F513

    XR-A660, XR-A330 7 XR-A660, 4 5 6 7 8 ¤ 1 2 3 ™ £ § ∞ ¶ ¢ • ª ^ & * ) ( ¡ º Ÿ ⁄ ≠ – DISC-1 indicator TAPE Eject button (0) DISC-2 indicator...

  • Page 80: F513

    XR-A660, XR-A330 7 XR-A330 7 8 9 0 7 XR-A660 Display section 1 Indicates audio level. 2 Lights when the selected function is CD. 3 Lights when the selected function is TAPE. 4 Indicates CD and TAPE play status. 5 Displays timer function indications.

  • Page 81: F514

    XR-A660, XR-A330 Function button section REMOTE CONTROL UNIT DISC CD function button TUNER/BAND function button TAPE function button AUX function button TUNING [1,4 (–), (+) ¢,¡] buttons DISPLAY button STOP button (7) STANDBY / ON button PLAY/PAUSE button (2 3) SLEEP timer button SOUND MORPHING mode button &...

  • Page 82: Specifications

    Power Consumption in standby mode ........1 W ** Measured bu Audio Spectrum Analyzer. Dimensions XR-A330, XR-A660 ..... 270 (W) x 300 (H) x 336 (D) mm Continuous Power Output (RMS) 10-5/8 (W) x 11-13/16 (H) x 13-1/4 (D) in.

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Xr-a330

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