Pioneer XC-L7 Service Manual Download Page 23 | Manualshive

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XC-L7

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LPF

VRIC Vref

HPF

HP AMP

4.5V

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AL

AL

4.7k

3.9k

3.9k

4.7k

0.047

POWER HP UNIT
(AWU7006)

(HP)

(AUX)

(PB)

(REC OUT)

(TX)

(CD)

(HP)

(HP)

(HP)

(HP)

(HP)

(HP)

SIGNAL ROUTE

: LCH AUDIO SIGNAL ROUTE

: AUX AUDIO SIGNAL ROUTE

: DECK PB SIGNAL ROUTE

: DECK REC SIGNAL ROUTE

: TUNER AUDIO SIGNAL ROUTE

: CD AUDIO SIGNAL ROUTE

: H.P AUDIO SIGNAL ROUTE

: SUBWOOFER OUTPUT

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Summary of Contents for XC-L7

Page 1: ... STEREO CD RECEIVER ORDER NO RRV1946 T ZZK APR 1998 Printed in Japan 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 501 Orchard Road 10 00 Lane Crawford Place Singapore 0923 ...

Page 2: ...chanical parts in the appliance have special safety related characteristics These are often not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features ...

Page 3: ...e not in our Master Spare Parts List The 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 Screws adjacent to mark on the product are used for disassembly 22 18 1 4 18 2 4 18 3 4 18 4 4 21 23 19 1 2 19 2 2 17 16 15 20 4 3 2 13 Lithium Battery 1 10 6 11 12 15 24 5 7 9 Mark No Descriptio...

Page 4: ...4 XC L7 2 2 MAIN SECTION XC L7 G 36 43 36 43 43 33 33 35 29 28 43 43 37 1 2 37 2 2 2 11 3 ...

Page 5: ... E C F A B G 32 10 21 39 48 48 27 4 48 31 20 7 13 15 18 50 17 34 47 23 42 41 42 42 38 38 38 40 43 43 43 46 43 45 43 43 43 8 14 22 25 9 38 49 24 6 49 24 44 30 44 44 16 Refer to 2 4 SINGLE MECHANISM ASSY 1 5 19 31 48 26 48 51 ...

Page 6: ...SP 23 Bottom Plate CD ANF7007 24 Angle ANG7151 25 Fan Plate ANG7153 26 Earth Plate ANG7168 NSP 27 Heat Sink ANH7066 NSP 28 Top Plate ANK7034 29 Tray Sheet AWL7027 30 Cord Clamper RNH 184 MAIN SECTION PARTS LIST Mark No Description Part No Mark No Description Part No 31 Rivet VEC1178 32 Tray Panel CD AAN7170 33 Black Line AAP7033 34 Bottom Base CD AMA7003 35 Top Panel AMB7523 36 Bonnet ANE7168 37 B...

Page 7: ...4 Leg AEB7090 5 Display Button AAD7409 6 Top Button AAD7430 7 Window AAK7461 8 FL Filter AEC7117 9 Display Panel AMB7458 10 Rear Cover AMC7013 DISPLAY SECTION PARTS LIST Mark No Description Part No 8 7 9 6 5 3 2 1 11 10 4 4 11 12 Mark No Description Part No 11 Screw BPZ30P100FZK 12 Screw PMZ30P060FZK ...

Page 8: ...8 XC L7 2 4 SINGLE MECHANISM ASSY 27 21 26 24 35 34 25 23 22 20 28 19 17 18 30 29 33 32 31 42 36 ...

Page 9: ... Description Part No 1 How to install the disc table Use nipper or other tool to cut the three sections marked figure Then remove the spacer While supporting the spindle motor shaft with the stopper put spacer on top of the motor base angled so it doesn t touch section and stick the disc table on top takes about 9 kg pressure Take off the spacer 1 2 1 2 A A A B 6 9mm 3 1mm 0 05mm PWB Holder Spacer...

Page 10: ...YB1 UNIT AWZ8985 I POWER AF UNIT AWZ8991 K POWER AMP UNIT AWZ8990 M POWER SPTB UNIT AWU7149 J POWER HP UNIT AWU7006 CD MAIN UNIT AWU7147 E C C CD KEYB2 UNIT AWZ8986 1 2 C 2 2 J3801 DC FAN MOTOR AXM7003 AKE7001 CN3841 5569 02A1 CN3842 3 SCHEMATIC DIAGRAM 3 1 OVERALL CONNECTION DIAGRAM ...

Page 11: ... CD FLDP UNIT AWU7003 PICKUP ASSY PEA1291 LOADING MOTOR CLAMP SW S601 AC 120V 60Hz AC POWER CORD ADG1152 POWER TRANSFORMER ATS7216 AKP7027 7A 125V 7A 125V M SERVO MECHANISM ASSY SL AXA7017 SINGLE MECHANISM ASSY RXA1672 CN102 CN610 CN1202 173981 4 REK1078 2A Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or PCB PARTS LIST ...

Page 12: ...XC L7 12 A B C D 1 2 3 4 1 2 3 4 RF AMP MIX AMP BUFFER IF AMP FM B SW AM RF TUNING BLOCK OSC FM AM TUNER MODULE AXQ7065 A 3 2 FM AM TUNER MODULE ...

Page 13: ...XC L7 13 A B C D 5 6 7 8 5 6 7 8 AF AMP REGULATOR PLL AF AMP CN3611 A ...

Page 14: ...CD SIGNAL ROUTE CD AUDIO SIGNAL ROUTE FOCUS SERVO LOOP LINE TRACKING SERVO LOOP LINE CD CD CD CD FS TS FS FS FS FS FS FS FS FS NC FS FS FS TS FS TS TS TS FS FS FS TS TS TS TS TS FS FS FS FS FS FS TS TS TS TS TS TS TS TS TS TS C 1 2 CN1101 3 3 PICKUP ASSY ...

Page 15: ...Pin 3 TRACK SEARCH MODE CADR 9 IC1101 Pin 32 PLAY MODE EFM 16 IC1301 Pin 54 PLAY MODE 1kHz BCLK PLAY MODE Upper TP1 Pin1 RF Lower IC1101 Pin 30 DFCT 1 8Vp p 1 2Vp p 0 2Vp p 1Vp p 3 5Vp p 0 3Vp p 6 2Vp p 1Vp p 1 5Vp p 0 5Vp p 0 5Vp p 5Vp p 3Vp p 5Vp p 5Vp p 1 5Vp p 5Vp p 1Vp p 4 5Vp p 3Vp p 5Vp p 5Vp p H 500nsec div H 200µsec div H 10msec div H 10msec div H 1msec div H 200msec div H 2sec div H 50ms...

Page 16: ...610 B DC MOTOR ASSY SPINDLE PEA1235 DC MOTOR ASSY CARRIAGE PEA1246 5 7 6 8 1 2 14V 14V 14V 14V TRACKING DRIVE CARRIAGE DRIVE SINGLE MECHANISM ASSY RXA1672 CD MAIN UNIT 1 2 AWU7147 C 1 2 CD FS FS FS TS TS FS FS FS TS TS TS TS SM SM SM SM SM SM CM SM CM CM CM CM S601 4 B 3 4 MECHANISM BOARD ASSY AND CD MAIN UNIT 1 2 1 2 C ...

Page 17: ...6 23 2 4 3 9 2 5V 5V W1308 0 01 0 01 C 2 2 C 2 2 C 2 2 SIGNAL ROUTE CD AUDIO SIGNAL ROUTE FOCUS SERVO LOOP LINE TRACKING SERVO LOOP LINE CD CD CD CD CD CD FS FS FS FS FS TS TS TS TS CM CM TS TS SM SPINDLE MOTOR ROUTE CARRIAGE MOTOR ROUTE SM CM YB YB YB C1322 0 01 ...

Page 18: ...101 PD4843B SYSTEM CONTROL A C 1 2 C 1 2 CN6201 I CN3002 I CN3001 NO CONNECTION DC 4 5V DC 4 5V DC 4 5V 5V STBY 0V ON 12V STBY 0V ON 12V 12V TX CD PB TX CD TX PB PB REC OUT REC OUT AUX AUX 3 5 CD MAIN 2 2 CD KEYB1 AND CD KEYB2 UNITS 2 2 C ...

Page 19: ...5 6V CN5703 AUX AUX CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO ICP N20 MFD BY ROHM CO LTD FOR IC3901 AND IC3902 CD KEYB2 UNIT S6203 S6204 S6205 S6206 S6207 CD KEYB1 UNIT S6201 S6202 STANDBY ON C3901 1 50 ATX1012 L114 G AUX PB REC OUT TX CD SIGNAL ROUTE LCH AUDIO SIGNAL ROUTE AUX AUDIO SIGNAL ROUTE DECK PB SIGNAL ROUTE DECK REC SIGNAL ROUTE TUNER AUDIO SIGN...

Page 20: ... A B C D 1 2 3 4 1 2 3 4 F 5V 28V F CD FLDP UNIT AWU7003 G CD CNB UNIT AWZ8988 REMOTE RECEIVER UNIT YB 100 6 3 C5704 0 22 C5710 0 047 C5711 0 047 C5712 0 047 C 2 2 CN6801 3 6 CD FLDP CD CNB AND CD DPKEY UNITS G ...

Page 21: ... H CD DPKEY UNIT AWZ8989 DC 22V DC 22V CD FLDP UNIT S5755 CHARACTER S5756 MENU S5757 CANCEL S5758 S5759 S5760 SET FM AM STATION CD DPKEY UNIT S5751 STANDBY ON S5752 FUNCTION PLAY S5753 S5754 VOLUME C5721 1 50 C5722 1 50 GND DISP GND DISP ...

Page 22: ...2 2 CN6102 C 2 2 CN6103 I POWER AF UNIT AWZ8991 DC4 5V DC 4 5V DC 4 5V DC 0V 5V DC 0V L R VRIC VCC FUNCTION VR TONE SUBWOOFER LEVEL CONT 9V DC 4 5V REC OUT REC OUT REC OUT CD CD CD TX TX TX PB PB AUX AUX PB 3 7 POWER AF AND POWER HP UNITS ...

Page 23: ... AL AL 4 7k 3 9k 3 9k 4 7k 0 047 POWER HP UNIT AWU7006 HP AUX PB REC OUT TX CD HP HP HP HP HP HP SIGNAL ROUTE LCH AUDIO SIGNAL ROUTE AUX AUDIO SIGNAL ROUTE DECK PB SIGNAL ROUTE DECK REC SIGNAL ROUTE TUNER AUDIO SIGNAL ROUTE CD AUDIO SIGNAL ROUTE H P AUDIO SIGNAL ROUTE SUBWOOFER OUTPUT ...

Page 24: ...NERATOR L POWER TRANS UNIT AWU7148 NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY CAUTION CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 49103 5 MFD BY LITTELFUSE INK FOR IC2 AND IC3 AEK7017 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491 750 MFD BY LITTEL...

Page 25: ...0 STANDBY 0V POWER ON 29V FAN DRIVE SATELITE AMP STANDBY CONTROL SATELITE SP AMP SUBWOOFER AMP SUBWOOFER AMP STANDBY CONTROL OVER LOAD DET DC DET 100 100 ATH 059 ATH 059 ATH 059 J3801 AKE7001 FAN MOTOR M K POWER SPTB UNIT AWU7149 POWER AMP UNIT AWZ8990 C 2 2 CN6101 AUX AUX AUX AUX AUX AUX AUX SIGNAL ROUTE LCH AUDIO SIGNAL ROUTE AUX AUDIO SIGNAL ROUTE SUBWOOFER OUTPUT ZA ZA ...

Page 26: ...nclude all necessary parts for several destinations For further information for respective destinations be sure to check with the schematic diagram 4 View point of PCB diagrams Symbol In PCB Diagrams Symbol In Schematic Diagrams Part Name B C E D D G G S S B C E B C E D G S B C E B C E B C E Transistor Transistor with resistor Field effect transistor Resistor array 3 terminal regulator Capacitor C...

Page 27: ...3 4 1 2 3 4 A VR6201 Q6203 Q6204 Q6304 Q6306 Q6401 Q6303 Q6302 Q6301 Q6214 Q6402 Q6403 Q6404 Q6202 Q6201 IC6202 IC6201 Q6205 CN3611 C FM AM TUNER MODULE A FM AM TUNER MODULE A ANP7159 B 4 1 FM AM TUNER MODULE SIDE A SIDE B ...

Page 28: ...1 2 3 4 B SPINDLE MOTOR INSIDE CARRIAGE MOTOR M M CN3001 I CD MAIN UNIT C MECHANISM BOARD ASSY B VR1102 VR1101 PNP1239 C IC1201 IC1202 Q1341 LOADING MOTOR CLAMP SW PICKUP ASSY 4 2 MECHANISM BOARD ASSY AND CD MAIN UNIT C SIDE A ...

Page 29: ...XC L7 29 A B C D 5 6 7 8 5 6 7 8 C ANP7209 C CN3002 I CN6201 D CN5703 G CN101 K CN6201 A Q3901 Q3902 IC3901 IC3902 SIDE A ...

Page 30: ...XC L7 30 A B C D 1 2 3 4 1 2 3 4 C ANP7209 C CD MAIN UNIT C IC3601 Q3601 Q3905 Q6102 Q3903 Q6101 Q3904 IC6101 Q6103 SIDE B ...

Page 31: ...XC L7 31 A B C D 5 6 7 8 5 6 7 8 C Q1541 IC1301 Q1342 IC1101 IC3601 Q1544 Q6001 Q6004 SIDE B ...

Page 32: ...7 32 A B C D 1 2 3 4 1 2 3 4 D ANP7209 C CN6202 C CD KEYB1 UNIT D CD KEYB2 UNIT E CD FLDP UNIT F CD DPKEY UNIT H CD CNB UNIT G CN6801 C 4 3 CD KEYB1 CD KEYB2 CD FLDP CD CNB AND CD DPKEY UNITS SIDE A E F G H ...

Page 33: ...XC L7 33 A B C D 1 2 3 4 1 2 3 4 H ANP7209 C CD FLDP UNIT F CD KEYB1 UNIT D CD KEYB2 UNIT E CD DPKEY UNIT H SIDE B F E D ...

Page 34: ...C L7 34 A B C D 1 2 3 4 1 2 3 4 J CN6101 C POWER TRANS UNIT L POWER HP UNIT J IC51 IC61 Q21 IC32 Q3751 IC3301 Q23 AC POWER CORD 4 4 POWER AF POWER HP POWER AMP POWER TRANS AND POWER SPTB UNITS K L SIDE A ...

Page 35: ...XC L7 35 A B C D 5 6 7 8 5 6 7 8 M K I CN6102 C CN6103 C 101 POWER AF UNIT I POWER AMP UNIT K POWER SPTB UNIT M FAN MOTOR IC31 IC62 Q71 Q72 Q62 Q73 Q51 IC53 Q61 Q52 Q53 ANP7210 B Q3041 SIDE A ...

Page 36: ...XC L7 36 A B C D 1 2 3 4 1 2 3 4 I ANP7210 B POWER AF UNIT I POWER SPTB UNIT M POWER AMP UNIT K IC3201 Q3532 IC3041 IC3011 IC3071 IC3501 Q3531 Q3533 K M SIDE B ...

Page 37: ...XC L7 37 A B C D 5 6 7 8 5 6 7 8 L K J POWER TRANS UNIT L POWER HP UNIT J Q3393 Q3392 Q3712 Q3381 Q3383 Q3711 Q3741 Q3701 Q3731 Q3752 Q3721 Q3722 Q3391 Q3481 SIDE B ...

Page 38: ...e 2 effective digits any digit apart from 0 such as 560 ohm and 47k ohm tolerance is shown by J 5 and K 10 560 Ω 56 101 561 RD1 4PU 5 6 1 J 47k Ω 47 103 473 RD1 4PU 4 7 3 J 0 5 Ω R50 RN2H Â 5 0 K 1 Ω 1R0 RS1P 1 Â 0 K Ex 2 When there are 3 effective digits such as in high precision metal film resistors 5 62k Ω 562 101 5621 RN1 4PC 5 6 2 1 F LIST OF ASSEMBLIES Mark No Description Part No Mark No Des...

Page 39: ...C6124 CCSQCH221J50 C6126 CCSQCH221J50 C1118 CCSQSL561J50 C1483 C1484 CCSQSL681J50 C1211 C1212 C1485 C1486 C6107 CEAL100M16 C6130 CEAL100M16 C1111 C1302 C1303 C1311 C1313 CEAL101M6R3 C1316 C6101 CEAL101M6R3 C3901 C6109 CEAL1R0M50 C1103 C1105 CEAL4R7M35 C1309 CEALR47M50 C1119 C6121 C6122 C6125 CKSQYB102K50 C1107 C1112 C1117 C1125 C1218 CKSQYB103K50 C1101 C1102 C1104 C1106 CKSQYB104K25 C1306 C6118 C6...

Page 40: ...QYF473Z50 RESISTORS R5724 RA11T473J R5721 R5722 RA15T473J R5723 RA8T473J Other Resistors RS1 10S J OTHERS 9P CABLE HOLDER 51048 0900 12P CABLE HOLDER 51048 1200 CN5751 52147 0310 3P JUMPER CONNECTOR V5701 FL TUBE AAV7051 FL SPACER AEB7091 X5701 REMOTE RECEIVER UNIT GP1U27X CN5701 10P SOCKET KP200TA10L CD CNB UNIT SEMICONDUCTORS D5707 MTZJ2 0A D5703 D5706 MTZJ8 2B OTHERS CN5703 10P MINI DIN SOCKET ...

Page 41: ...93 Q3481 DTA124EK Q21 Q3751 DTA124ES Q3381 DTA144EK Q51 DTC124ES D21 D22 D3751 11ES2 D25 D3381 D3701 1SS254 D3721 D3722 D3731 1SS355 D31 D2SBA20 B D11 D3SBA20 B D23 MTZJ33A D24 MTZJ6 2B D51 D61 MTZJ18B TH3791 TH3792 AEX7002 RELAYS RY3331 RY3431 ASR7007 CAPACITORS C3307 C3308 CCSQCH100D50 C3403 CCSQCH121J50 C3303 C3304 CCSQCH330J50 C3305 C3306 CCSQCH470J50 C33 C51 C71 CEAL1R0M50 C21 CEANP101M35 C23...

Page 42: ...853 ATH 059 L3831 LAU100J CAPACITORS C3801 C3802 CCSQCH101J50 C3803 C3804 CCSQSL471J50 C3831 CEAT220M50 C3011 C3012 CEAT2R2M50 C3832 CEAT470M10 C3843 C3845 CKSQYB102K50 C3805 C3811 C3812 C3833 CKSQYF103Z50 C3841 C3842 C3846 CKSQYF103Z50 C3861 C3866 CKSQYF473Z50 RESISTORS R3851 R3853 RD1 4LMF101J R3861 R3863 RD1 4PU6R8J R3833 RFA1 4PS330J Other Resistors RS1 10S J OTHERS 6P CABLE HOLDER 51048 0600 ...

Page 43: ... LIGHT DOWN FL SEGMENT CHECK 1 NORMAL DISPLAY FL SEGMENT CHECK 2 FL SEGMENT CHECK 3 VOLUME DOWN VOLUME UP INPUT SELECTOR AUX ANALOG DU L7 XC L7 FL SEGMENT CHECK 4 MENU CANCEL SET CHARACTER Lase diode LIGHT UP Focus servo ON STOP Carriage OUT Carriage IN AMP TEST MODE A A Spindle kick Tracking servo Slider servo ON OFF CD MAIN UNIT W6102 W6103 TEST MODE Short Point SIDE B MODE SWITCHING FUNCTION 6 ...

Page 44: ...i r b m e h t n e e w t e b p a g a s i e r e h t f I 2 0 4 6 L d n a 1 0 4 6 L n e e w t e b p a g o n s i e r e h t e r u s e k a m g n i t s u j d a e r o f e B s t n e m t s u j d a e k a m n e h t d n a t s r i f r e h t o p e t S o N t n e m t s u j d A e l t i T d o M 0 3 z H 0 0 4 G S M A n o i t p e c e R y c n e u q e r F y a l p s i D t n e m t s u j d A n o i t a c o L s n o i t a c i ...

Page 45: ...ent Points Necessary Adjustment Points 6 3 1 PREPARATIONS 6 3 CD SECTION Jigs and Measuring Instruments 8 cm DISC With at least about 20 minutes recording CD TEST DISC YEDS 7 screwdriver small Precise screwdriver screwdriver medium screwdriver large 39 kΩ 0 001µF Low frequency oscillator Dual trace oscilloscope 10 1 probe Low pass filter 39 kΩ 0 001µF Ball point hexagon wrench size 1 5mm GGK1002 ...

Page 46: ... Point W6102 VR1102 FOCUS GAIN VR1101 TRACK GAIN TP1 CN1102 PICKUP ASSY ADJUSTMENT SCREW Tangential tilt direction ADJUSTMENT SCREW Radial tilt direction SIDE A TEST MODE PLAY Spindle motor START Spindle servo CLOSE TEST DISC YEDS 7 Laser diode LIGHTS UP Focus servo CLOSE inwards outwards Pickup Move CLOSE OPEN Tracking servo A A ...

Page 47: ... Error Balance Check Probe 10 1 CH1 CH2 X Y TE TP1 CN1102 CD MAIN UNIT Player Oscilloscope DC Mode V 50mV div H 5mSec div GND LEVEL A B A 0 001µF Low pass filter Check Check If not repair If not repair 39kΩ Test mode None disc Test mode FOCUS servo SPDL servo TRKG servo CLOSE CLOSE OPEN TEST DISC PLAY R 35mm YEDS 7 START B Check and Adjustment VC GND VC GND 6 4 2 4 ...

Page 48: ...scilloscope AC Mode V 50mV div H 10mSec div 1 2Vp p 0 2V NG Check If not repair Test mode FOCUS servo SPDL servo TRKG servo CLOSE CLOSE CLOSE TEST DISC PLAY R 35mm YEDS 7 TEST DISC GGK1002 Remove lock tight 8cm DISC PLAY Test mode FOCUS servo SPDL servo TRKG servo CLOSE CLOSE CLOSE 1 2 1 2 Probe 10 1 RF CN1102 CD MAIN UNIT VC GND 1 4 START Probe 10 1 RF CN1102 CD MAIN UNIT VC GND 1 4 START 1 2 ...

Page 49: ...robe 10 1 CH1 CH2 X Y TP1 CN1102 CD MAIN UNIT START Player Oscilloscope X Y Mode X 20mV div Y 5mV div FE FIN VC TIN TE VC Lissajous Waveform Probe 10 1 Low frequency 1 2kHz 2Vp p oscillator Low frequency 1 2kHz 1Vp p oscillator VR1102 CD MAIN UNIT Test mode FOCUS servo SPDL servo TRKG servo CLOSE CLOSE CLOSE TEST DISC PLAY R 35mm YEDS 7 Test mode FOCUS servo SPDL servo TRKG servo CLOSE CLOSE CLOSE...

Page 50: ...or Corrector 16k RAM PWM 4 RMUT 3 LMUT 90 XTAO 6 CKOUT 89 XTAI 84 AOUT1 85 AIN1 86 LOUT1 95 AOUT2 94 AIN2 93 LOUT2 16 XLTO 15 DATO 17 CLKO 9 SENS 26 MON 27 MDP 28 MDS 29 LOCK 64 XROF 71 DOUT 30 PWMI 10 DATA 11 XLAT 12 CLOK 22 XLON 75 SCOR 76 SBSO 77 EXCK 8 SQSO 7 SQCK 18 21 SPOA D 81 NC 82 AVSS 83 AVDD 84 AOUT1 85 AIN1 86 LOUT1 87 AVSS 88 XVDD 89 XTAI 90 XTAO 91 XVSS 92 AVSS 93 LOUT2 94 AIN2 95 AO...

Page 51: ... l d n i p S 7 2 P D M O l o r t n o c o v r e s r o t o m e l d n i p S 8 2 S D M O 9 2 K C O L O l a n g i s h g i h a s t u p t u o n i p s i h t h g i h s i S F G n e h w z H 0 6 4 t a d e l p m a s s i S F G w o l s t u p t u o n i p s i h t s e l p m a s e v i t u c e s n o c t h g i e w o l s i S F G f I 0 3 I M W P I t u p n i l o r t n o c l a n r e t x e r o t o m e l d n i p S 1 3 0 S E...

Page 52: ... i r e i f i l p m a l a n o i t a r e p o l e n n a h c t f e L 6 8 1 T U O L O t u p t u o E N I L l e n n a h c t f e L 7 8 S S V A D N G g o l a n A 8 8 D D V X k c o l c r e t s a m r o f y l p p u s r e w o P 9 8 I A T X I n i p s i h t a i v k c o l c r e t s a m l a n r e t x e e h t t u p n I t u p n i t i u c r i c n o i t a l l i c s o l a t s y r C 0 9 O A T X O t u p t u o t i u c r i...

Page 53: ...c e l e r o f r e z i s e h t n y s y c n e u q e r f L L P g n i n u t c i n o r 9 1 0 D A 0 4 P O d e s u t o N 9 5 7 P T R 7 2 1 P E C L L P O E C R E N U T 0 2 1 D A 1 4 P O d e s u t o N 0 6 T E S E R T E S E R X I r o s s e c o r p o r c i m f o t u p n i T E S E R 1 2 2 D A 2 4 P O d e s u t o N 1 6 0 P T N I 0 0 P M E R I t u p n i l o r t n o c e t o m e R 2 2 3 D A 3 4 P O d e s u t o N ...

Page 54: ...54 XC L7 Grid Assignment and Pin Assignment FL DISPLAY AAV7051 CD FLDP UNIT V5701 Pin Connection Anode Connection 108 1 55 54 7 1 2 DISPLAY ...

Page 55: ...55 XC L7 7 2 DIAGNOSIS 7 2 1 DISASSEMBLY 1 BONNET AND TOP PANEL Disassembly Assembly 3 Bonnet Top Panel Bottom view Unhook FFC Lead Card 5P 1 1 1 3 6 5 4 2 2 3 4 5 6 6 5 4 3 2 1 ...

Page 56: ...UNIT POWER AF UNIT AND FM AM TUNER MODULE Disassembly Assembly 2 2 3 CN3501 CD MAIN Unit FM AM Tuner Module FM AM Tuner Module CD Main Unit Top Barrier POWER AF Unit POWER AF Unit 1 1 5 6 4 2 7 3 2 3 4 5 6 7 7 6 5 4 3 2 1 ...

Page 57: ... Unit POWER AMP Unit Disassembly Assembly 1 1 3 4 8 8 1 2 5 6 3 4 7 8 2 2 3 4 5 6 7 8 7 6 5 4 3 2 6 6 6 5 6 7 8 1 Discharge C13 C14 C31 and C32 with several ohms Microfuse and so on will be damaged when short circuit the circuit before discharge It is possible to diagnose each PCB Unit in this state ...

Page 58: ...B LOCATIONS CD KEYB1 UNIT POWER AF UNIT CD MAIN UNIT POWER TRANS UNIT CD DPKEY UNIT CD CNB UNIT DU L7 XC L7 CD FLDP UNIT POWER SPTB UNIT POWER HP UNIT CD KEYB2 UNIT MECHANISM BOARD ASSY POWER AMP UNIT FM AM TUNER MODULE ...

Page 59: ...01 RY3431 CN3842 JA3501 SUB WOOFER HEAD PHONE Power Amp TC TC UCOM E 5 6 UNREG FLAC IC31 NJM78M56FA CD 5 Q73 Q23 UNREG 30V VFDP T1 POWER TRANSFORMER CN1 L1 FU1 AC INLET AC POWER CORD Pickup Assy FM AM Tuner Module IC1101 CXA1372BQ Servo Controller IC1201 LA6517 IC1202 LA6520 Drive Amp IC1301 CXD2529Q Decoder IC6101 PD4843B CPU M Focus Tracking Spindle Carriage Loading CD MAIN UNIT CD CNB UNIT CD F...

Page 60: ...e up timer setting mode flashes during operation Lights during setting and operation of the wake up timer STEREO CD RECEIVER XC L7 1 POWER STANDBY ON switch 2 FM AM station button 3 Tuner indicator 4 CD tray 5 4 1 button 6 button Roles of common operation buttons vary depending on the input function currently selected as follows During Tuner Operation 4 1 Frequency and station down button Frequenc...

Page 61: ...e input function currently selected as follows During Tuner Operation Frequency and station down button Frequency and station up button FM AM STATION button During CD Operation Reverse track search button Forward track search button Play Pause button 4 SET FM AM STATION 3 4 SET FM AM STATION 3 9 0 DISPLAY UNIT DU L7 4 SET FM AM STATION 3 ...

Page 62: ...quence 0 POWER button POWER STANDBY ON AUX function button SET button NOTE The and buttons do not operate on this component button CANCEL button MENU button Roles of buttons 3 4 5 6 and vary depending on the input function currently selected as follows During Tuner Operation Station up button Station down button Frequency up button Frequency down button During CD Operation Forward track search but...

Page 63: ...ype Compact disc digital audio system Usable discs Compact discs Channels 2 stereo Frequency Response 4 Hz 20 kHz Signal to Noise Ratio 110 dB EIAJ Wow and Flutter Limit of measurement 0 001 or less EIAJ Power Requirements AC 120 V 60 Hz Power Consumption 75 W Dimensions 220 W x 85 H x 310 D mm 8 11 16 W x 3 3 8 H x 12 3 16 D in Weight 4 0 kg 8 lb 13 oz Accessories Operating Instructions 1 Warrant...

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