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SD-EX220H

5 – 1

Audio

SD-EX220H

Service Manual

Market

E

CHAPTER 5.

CIRCUIT DESCRIPTION

[1] Notes on schematic diagram

•

Resistor:
To differentiate the units of resistors, such symbol as K and M are
used: the symbol K means 1000 ohm and the symbol M means
1000 kohm and the resistor without any symbol is ohm-type resis-
tor. Besides, the one with “Fusible” is a fuse type.

•

Capacitor:
To indicate the unit of capacitor, a symbol P is used: this symbol P
means pico-farad and the unit of the capacitor without such a sym-
bol is microfarad.
As to electrolytic capacitor, the expression “capacitance/withstand
voltage” is used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
(P.P.): Polypropylene type

•

Schematic diagram and Wiring Side of P.W.Board for this model are
subject to change for improvement without prior notice.

•

The indicated voltage in each section is the one measured by Digi-
tal Multimeter between such a section and the chassis with no sig-
nal given.

1. In the tuner section,
indicates AM
indicates FM stereo

2. In the main section, a tape is being played back.

3. In the deck section, a tape is being played back.
( ) indicates the record state.

4. In the power section, a tape is being played back.

5. In the CD section, the CD is stopped.

•

Parts marked with “

” ( ) are important for main-

taining the safety of the set. Be sure to replace these parts with
specified ones for maintaining the safety and performance of the
set.

[2] Types of transistor and LED

REF NO.

DESCRIPTION

POSITION

SW4

PICKUP IN

ON-OFF

SW601

VOLUME DOWN

ON-OFF

SW602

VOLUME UP

ON-OFF

SW604

SKIP/TUNING UP

ON-OFF

SW606

AUX

ON-OFF

SW607

TUNER (BAND)

ON-OFF

SW608

STOP

ON-OFF

SW609

ON/STAND-BY

ON-OFF

SW610

OPEN/CLOSE

ON-OFF

SW611

BASS/TREBLE

ON-OFF

SW612

SKIP/TUNING DOWN

ON-OFF

SW615

PLAY/PAUSE

ON-OFF

SW771

CD DOOR OPEN/CLOSE

ON-OFF

2SB709 AR

2SD601 AR

KRA102 S

KRC102 S

KRC104 S

KRC107 S

KTA1504 GR

KTC3875 GR

AG01Z

AK09

DS1SS133

EK19

D1NL20U

B

(3)

E

(1)

C

(2)

TOP

VIEW

KDS226

MA132WA

MA132WK

TOP VIEW

TOP VIEW

TOP VIEW

2SK246 GR

KTA1023 Y

KTA1266 GR

KTA1270 Y

KTA1271 Y

KTC2874 B

VIEW

FRONT

E C B

VIEW

FRONT

1 2 3

(S)(G)(D)

(1)(2)(3)

SFPW56

GD1N4004

MA111

D5SB60

AC

AC

VIEW

FRONT

FRONT
VIEW

304BC2E9

304VT2E2

A503BC2E

SARS03

KTC3199 GR

KTC3203 Y

KRA107 M

KRC102 M

KRC104 M

KRC107 M

VIEW

FRONT

Cathode Anode

FMLG12S

1. Anode
2. No Contact
3. Cathode

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Содержание SD-EX220H

Страница 1: ...ATICS AND PARTS LAYOUT 1 Wiring side of P W Board schematic diagram 6 1 CHAPTER 7 OPERATION FLOWCHART 1 Troubleshooting 7 1 CHAPTER 8 OTHER 1 Function table of IC 8 1 Parts Guide SERVICE MANUAL No S7367SDEX220H 1 BIT DIGITAL AUDIO SYSTEM SD EX220H MODEL SHARP CORPORATION CONTENTS Parts marked with are important for maintaining the safety of the set Be sure to replace these parts with specified one...

Страница 2: ... when replacing or servicing the Pickup 4 Under no circumstances look directly into the Pickup Lens at any time 5 CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure 2 Important service notes For U K only Before returning the unit to the customer after completion of a repair or adjustment it is necessary f...

Страница 3: ...Weight 2 3 kg 5 1 lbs each SD EX220H Except for U K CP EX220H Except for U K SD EX220H For U K CP EX220H For U K General Amplifier CD player Tuner Power source AC 230 V 50 Hz Power consumption Power on 62 W Power stand by 0 9 W Dimensions Width 380 mm 15 Height 200 mm 7 7 8 Depth 120 mm 4 3 4 Weight 3 7 kg 8 2 lbs Output terminals Speakers 4 ohms Headphones 16 50 ohms recommended 32 ohms Optical d...

Страница 4: ...ment Indicator 5 FM Stereo Mode Indicator 6 Timer Play Indicator 7 Sleep Indicator 8 Dynamic PTY Indicator 9 Traffic Programme Indicator 10 FM Stereo Receiving Indicator 11 CD Memory Indicator 12 Random Play Indicator 13 Function Indicators 14 CD Repeat Play Indicator 15 CD Play Indicator 16 CD Pause Indicator 3 4 5 2 11 12 13 5 8 9 7 10 11 13 14 12 3 1 6 7 8 9 10 4 14 15 16 1 2 6 SD EX220H Side p...

Страница 5: ... Fast Forward Tuning Up Button 20 Volume Up and Down Buttons 21 CD Tuner Direct Buttons 22 CD Time Display Button 23 Clock Display Dimmer Button 2 1 3 5 4 7 6 8 10 11 12 16 17 13 14 15 18 20 21 19 9 22 23 Buttons with mark in the illustration or highlighted in bold on the list can beop erated on the remote control only SD EX220H CP EX220H 1 Tweeter 2 Bass Reflex Duct 3 Speaker Grille 4 Woofer 5 Sp...

Страница 6: ...ge of pin 6 PROTECT on IC701 2 The voltage of pin 32 OFFSET on IC701 Low below approx 1 V abnormal and High above approx 2 5 V normal 3 The motor stops when it is above approx 1 V If the voltage of pin 10 FAN LOCK on IC701 is not between approx 0 21 V and 0 9 V whilst the motor rotation is controlled it is judged as abnormal 2 2 Checking and cancelling the detection line Caution If the PROTECT OFF...

Страница 7: ...y ME0701A_ 07 MONTH 01 DAY A B C MICOM VERSION No Key Test Mode 1 SKIP UP VOLUME DOWN ALL CLEAR RESET 2 CD STOP SKIP UP BUTTON DISPLAY TEST 3 CD PLAY PAUSE AUX CD TEST 4 CD PLAY PAUSE SKIP UP CD TRAY AGING TEST 5 TUNER BAND VOLUME DOWN TUNER PRESET MEMORY CLEAR 6 TUNER BAND VOLUME UP TUNER PRESET MEMORY FOR PRODUCT 7 TUNER BAND CD STOP RDS TUN SM 8 AUX VOLUME UP AUX TEST ...

Страница 8: ...Screw C1 x5 2 Hook C2 x1 3 Socket C3 x1 4 Power PWB 1 Screw D1 x6 2 Bracket D2 x1 5 1 Bit Amp Unit 1 Screw E1 x2 6 Display PWB 1 Screw F1 x6 2 Frame Support F2 x1 3 Screw F3 x6 4 Socket F4 x2 7 Headphones PWB 1 Screw G1 x1 8 Switch PWB 1 Screw H1 x1 9 CD Mechanism 1 Screw J1 x4 2 Screw J2 x2 10 Protect Circuit 1 Screw K1 x2 PWB 1 Bit Amp 2 Socket K2 x1 Shield Case 3 Screw K3 x2 4 Bracket K4 x1 5 S...

Страница 9: ...0mm Headphones PWB Front Panel F4 x1 F3 x6 φ3x10mm H1 x1 φ3x10mm J1 x4 φ2 6x10mm J2 x2 φ3x10mm Display PWB Front Panel Switch PWB CD Mechanism Washer K5 x1 φ3x8mm K5 x1 φ3x8mm K5 x1 φ3x6mm 1 Bit Amp Shield Case Protect Circuit PWB K3 x2 φ3x6mm K4 x1 K2 x1 K1 x2 φ3x8mm L1 x3 φ3x6mm 1 Bit Amp PWB C1 x1 Rear Cabinet A1 x6 φ3x12mm B1 x4 φ4x12mm C2 x3 φ4x12mm Woofer Tweeter Front Panel ...

Страница 10: ...5 x 1 pc 4 Remove the pickup Note After removing the connector for the optical pickup from the connector wrap the conductive aluminium foil around the front end of connector so as to protect the optical pickup from electrostatic damage 1 2 How to Remove the CD door motor 1 Remove the screws B1 x 2 pcs 2 Remove the CD door motor Caution Be careful not to damage the gear If the gear is damaged noise...

Страница 11: ...LASH CD_DO CD_DRF CD_WRQ JHP601 HEADPHONES SECTION TO MAIN HP_SW SECTION MAIN TUNER TUN_DO TUN_DI TUN_CLK TUN_CE O C_SW KEY3 KEY2 KEY1 TUN_SM SURROUND VSS AVSS 4 19 MHz XL601 VF2 VP VF1 Q606 KEY SECTION IC701 IX0557AW SYSTEM MICROCOMPUTER FL DISPLAY FL601 96 30 31 3 2 1 1 2 3 6 20 28 19 3 9 8 2 1 100 15 95 90 91 92 93 28 5 56 89 41 34 45 44 7 88 24 98 81 18 40 41 42 43 97 21 32 38 37 36 33 34 35 3...

Страница 12: ...2 LA6574H FOCUS TRACKING DRIVER SW4 PICKUP IN M M M801 SLED MOTOR M802 SPINDLE MOTOR IC1 LC78646E CD SERVO 3 3V SPIN SLED REG IN IC3 LM358D OP AMP VCC DATA BCK LRCK 16MOUT CONT3 CONT2 VCONT FD0 TD0 VREF LDD PD ADAVDD LVDD RFVDD XOUT XIN XL1 16 9344 MHz Q1 LASER DRIVER 3 3V M Q3 CONSTANT VOLTAGE VREF IC101 CS4340KS DAC IC FOCUS COIL TRACKING COIL PICK UP UNIT CD_WRQ CD_DRF CD_CE CD_DO CD_DI CD_CLK ...

Страница 13: ...DIO PROCESSOR VDD BASS L_CH R_CH ÑVCC VCC Q536 Q535 Q550 Q549 Q581 Q538 Q545 Q546 Q539 Q540 Q547 Q548 MUTING HEADPHONE SURROUND ON OFF SYSTEM MUTE R_CH L_CH MUTING SURROUND SURROUND ON OFF GND L R L_CH R_CH JT501 AUX INPUT L R AUX TUN_L TUNER TUN_R R L CD IC502 NJM4565M BUFFER AMP 9V DI CECLK 23 12 6 7 11 24 13 5 4 10 9 16 1 3 8 7 17 14 2 1 21 4 15 6 2 13 3 15 20 5 6 8 9 11 10 6 5 4 3 2 1 1 2 3 4 ...

Страница 14: ... 5V D 5V A 5V QA400 QA416 QA414 QA415 RCH_1 LCH_1 COMPA OFFSET 11 2896 MHz A 5V AGND_AD DGND_AD D 5V VCC GND VKK VKK INB INA VKK VKK GND VCC INB INA L CH_IN 1 AGND 1 R CH_IN 1 PROTECT PROTECT OFFSET RESET NFR1 NFL2 NFL1 NFR2 GNDA R CH IN L CH IN RESET VDA VDDL GNDD OUTL OUTL OUTR OUTR VDDR VDDX XI XO GNDX ANALOG IN R CH ANALOG IN L CH 3 2 1 VDD VSS ICA100 IX0498AW 7TH ORDER Æ MODULATION CONVERSION...

Страница 15: ... 3 2 1 12 13 14 15 16 17 18 19 20 21 5 4 3 1 6 5 4 3 1 BIA104 TO PROTECT SECTION FROM POWER SECTION OPE AMP OFFSET VOLTAGE DETECTOR OFFSET VOLTAGE DETECTOR AMP_VCC B_AMP GND B MHz GND VBOOTA VBOOTB DTADJA OUTB VBBB DTADJB OUTB SA VCC SB GND VKK VKK OUTA VDD INB OUTA VBBA VBBB INA VBBA VKK VKK GND SB VCC SA OUTB DTADJB VBBB OUTB DTADJA VBOOTB VBOOTA VDD VBBB INB OUTA VBBA INA VBBA OUTA L CH_ 1 L CH...

Страница 16: ...N POWER TRANSFORMER CNP934 ZD931 CNP931 PC901 2 2 1 3 3 4 1 3 POWER B_CHK Q931 VP VF1 VF2 Q933 40V 40V DRIVER_ 9V A_ 20V VOLTAGE REGULATOR A_ 5V D_ 5V AMP ERROR REGULATOR VOLTAGE SWITCHING REGULATOR Q902 A_ 20V A_ 20V D5 6V UNSW SUB TRAN B TO DISPLAY SECTION TO 1 BIT AMP SECTION TO 11BIT AMP SECTION TO MAIN SECTION FB SYNC Drain T3 15A L 250V SYNC OCP GND Vin 1 4 3 2 1 3 2 4 1 3 2 4 1 8 7 6 5 4 2 ...

Страница 17: ...g played back 3 In the deck section a tape is being played back indicates the record state 4 In the power section a tape is being played back 5 In the CD section the CD is stopped Parts marked with are important for main taining the safety of the set Be sure to replace these parts with specified ones for maintaining the safety and performance of the set 2 Types of transistor and LED REF NO DESCRIP...

Страница 18: ... NF resistance 75 kohms RA155 RA158 The peak to peak voltage reaches approx 5 V 4 Waveforms of 1 bit circuit T 2 1 2 00V div 500 ns div 194 545465 µs 520 mV 2 00V div AD IC Output Side Side 5 V Amplitude from 0 to 5 V 1 2 2 1 2 00 V div 500 ns div 194 545465 µs 12 30 V 2 00 V div AD IC NF IN In partial pressure OUT 4 to 7 V amplitude of GND reference is observed In IC of 75 kohms the reference is ...

Страница 19: ...pped CH1 200 mV DC 10 1 CH2 500 mV DC 10 1 500 ms div 1999 04 07 09 51 15 500 ms div NORM 20 kS s 2 1 Record Length Smoothing ON CH1 0 000 V CH2 0 000 V Main 100 K Zoom 2 K Mode NORMAL Type EDGE CH2 Delay 2 924 ms Hold off 0 2 µs CH3 0 00 V CH4 0 00 V BW FULL Trigger Filter Offset 1 IC1 21 6 IC1 22 T FDO PDO2 PDO1 Stopped CH1 500 mV DC 10 1 CH3 1 V DC 10 1 CH4 1 V DC 10 1 500 ms div 500 ms div NOR...

Страница 20: ... 65 0 V 66 3 85 V 67 3 29 V 68 3 30 V 69 0 V 70 0 V 71 0 V 72 0 V 73 0 V 74 3 30 V 75 0 V 76 0 V 77 0 V 78 0 V 79 0 V 80 0 V IC1 PIN NO VOLTAGE 1 2 3 7 87 V 0 V 0 V 3 55 V 3 62 V 3 60 V 3 57 V 4 5 6 7 8 3 55 V 3 63 V 9 10 3 54 V 11 3 54 V 12 7 89 V 13 1 66 V 14 1 66 V 15 1 67 V 16 1 67 V 17 1 65 V 18 1 67 V 19 7 20 V 20 0 V 21 1 67 V 22 7 87 V 23 1 67 V 24 1 67 V 25 3 88 V 26 0 V 27 4 78 V 28 4 78...

Страница 21: ...X D604 BI601 R620 R681 L601 C604 R673 R721 R739 R610 R716 R611 R775 SW601 VOLUME DOWN R776 D617 BI602 D608 R714 R734 R696 R723 SW609 ON STAND BY C620 LED604 R700 R717 R733 L602 R699 R603 R690 R693 R692 R691 C785 R695 R607 C619 C622 SW602 VOLUME UP XL601 C608 C786 C640 R645 C617 R779 C616 R778 C614 R731 IC608 C628 C638 R729 Q608 R741 R671 CNP601 JHP601 HEADPHONES CNP602 CNP771 SW771 CD DOOR OPEN CL...

Страница 22: ...3 R430 RL421 D422 C422 C421 R421 Q422 D421 Q421 Q424 D423 R434 C423 R433 CNP401 Q546 C559 R569 Q540 R560 R559 R573 R571 R539 C545 C541 C556 ZD556 Q539 R570 R535 Q543 C561 C562 C542 C555 C560 Q538 R558 D535 Q535 C537 C530 Q552 C503 C504 R512 C512 C516 C520 C522 C524 ZD2 C ZD1 CNS502 CNS511 CNS513 M401 FAN MOTOR CNS401 CNPS02 RS11 RS13 DS02 DS03 CS02 CS06 CS03 RS06 DS05 DS06 CS05 RS04 CNPS01 RS03 RS...

Страница 23: ...ZD2 C526 ZD1 C60 C56 C83 Q2 D1 D2 R53 R63 C53 CNP5 C82 D82 R13 C58 Q82 CNP4 Q3 C70 CNP2 C59 C57 C115 C116 C69 C21 C19 L1 R109 R7 R16 C12 C1 C15 C11 CNP1 C13 R3 R6 R4 C43 R1 R2 R5 CNS5 M1 CD DOOR MOTOR M801 SLED MOTOR M802 SPINDLE MOTOR SW4 PICKUP IN CNP4A CNS4A CNS4B CNS2A CNS2B CNS1A CNS1B FFC502 TUN1 FFC501 1 4 5 8 1 15 20 5 10 14 28 25 1 5 10 15 25 30 35 45 50 55 65 70 75 80 40 2120 60 61 41 10...

Страница 24: ... C957 C958 IC934 BI900 C955 C954 IC933 D947 C940 CNP934 L931 IC931 R932 R930 R931 Q933 CNS932 CNSA100 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 1 11 1 2 3 1 2 3 4 1 2 3 4 5 6 7 8 9 10 RD WH BK WH BK WH BK WH BK WH WH RD BK WH BK WH BK WH BK WH RD WH WH BL 1 4 CNA100 6 7 12 F TO 1 BIT AMP PWB CNP532 6 2 5 F TO MAIN PWB CNSA104 6 7 10 B FROM 1 BIT AMP PWB CNS601 6 1 2 D FROM DISPLAY PWB 1 2 3 1 1 2 4 3 1 2 ...

Страница 25: ...908 TH901 T903 SUB POWER TRANSFORMER C911 R903 D907 R918 C920 R908 R907 R909 IC901 R919 C919 C917 C915 L905 R916 C918 R910 R C914 C913 C909 C907 LUG901 CNP901 CNS901 F901 T3 15A L 250V 1 2 1 2 POWER PWB A2 1 2 3 1 3 5 2 4 AC POWER SUPPLY CORD AC 230 V 50 Hz When Servicing pay attention as the area enclosed by this line is directly connected with AC main voltage 7 8 9 10 11 12 ...

Страница 26: ...133 CA159 DA113 DA109 CA175 CA165 DA115 DA116 DA107 DA403 DA400 DA401 CA420 CA418 CA419 RA123 QA416 ICA401 RA421 BR COLOR TABLE RD R OR YL GR BL VL GY WH W BK PK BROWN RED ORANGEYELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK LFA400 RA416 RA415 CA194 ICA100 CA132 RA151 RA150 1 5 10 15 20 12 13 24 1 4 5 8 1 BIT AMP PWB C TOP VIEW The number 1 to 6 11 12 are waveform number shown in page 5 2 1 2 3 4 ...

Страница 27: ...01 LA101 LA103 LA104 LA106 LA107 LA105 LFA101 LFA100 BIA103 CA406 CA180 CA182 CA150 CA154 LFA403 CA412 CA199 CA103 LFA402 CXA100 CA102 CA410 VRA100 CA100 VRA101 CA101 CA149 CA153 CA181 CA179 CA197 CA187 CA188 CA196 CNA100 CNSA103 CNSA104 7 1 2 3 4 5 6 1 5 1 6 1 BIT AMP PWB C BOTTOM VIEW 1 2 3 4 4 3 2 1 RD GY GY GY CNPS02 6 2 2 G TO PROTECT CIRCUIT PWB 4 5 3 2 1 RD WH WH WH WH CNP934 6 4 4 C TO POW...

Страница 28: ...R GND FO LD VR PD FO TR TR C F B A E VREF VCC PICKUP UNIT TR LDD LDS FR VVDD PCKIST VVSS PDO2 PDO1 CONT2 CONT3 VSS MONI2 MONI1 FSEQ V P DEFECT SBCK FG CONT5 CONT4 GPDAC SLDO SPDO FDO TDO REF1 VREF ADAVSS ADAVDD JITTC RFMON TE TEC FE TIN2 F TIN1 E FIN2 B FIN1 A RFVSS RFVDD RF EFMIN SLCIST SLCO TR FO FO SLIDE SPIN PU IN 1 1 2 2 1 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 4 7 1 6 2 5 3 4 7 1 6 ...

Страница 29: ... SDA SCL LRCK BCK DATA RST CD_D_GND DIG_FUNC 16MOUT A3 3V CD_RCH CD_LCH P_GND 7 9V VIN1 VCC1 VO1 VO1 VO2 VO2 FR VO3 VO3 VO4 VO4 VIN2 VIN2G VIN3 VIN3G REG IN REG OUT VREF_IN VCC_S VIN4G VIN4 A_GND 6 10 2 D E TO MAIN SECTION CD_WRQ CD_DRF CD_CE CD_DO CD_DI CD_CLK CD_RES LID_SENS 6 10 2 D TO MAIN SECTION CONT2 CONT3 VSS VDD5 DRF RES WRQ DO DI CL CE DATA BCK LRCK ASDFIN ASDACK ASLRCK EFLG C2F XVSS FSX...

Страница 30: ...OUT VSSA VDDA MPXIN VREF RDS DECODER DIG_FUNC CD_WRQ CD_RES CD_DRF CD_DO CD_DI CD_CLK CD_CE LID_SENS CD D_GND A3 3V CHASSIS AUX IN L CH R CH 6 9 12 D G FROM CD SECTION D 5V SWD D_GND 5 1V A_ 3 3V P_GND CE CL DO CD_R CH A_ 7 9V CD_L CH A_GND FM_DET TUN_R TUN_SM VCC_9V TUN_L A_GND A GND DI 34 33 32 26 25 21 24 23 22 30 29 28 20 27 19 17 16 15 9 10 8 7 18 5 6 2 3 4 1 13 14 12 11 31 1 1 11 2 3 5 6 4 7...

Страница 31: ... 6 4 3 1 5 7 8 2 L CH_ 1 R CH_ 1 R CH_ 1 L CH_ 1 L CH_ 1 L CH_ 1 R CH_ 1 R CH_ 1 1 2 3 4 1 2 3 4 1 2 3 4 CNS932 6 14 1 D FROM POWER PWB CNS513 6 11 11 B FROM PROTECT CIRCUIT PWB M M401 FAN MOTOR CNA101 6 16 1 C FROM 1 BIT AMP PWB CNP513 6 11 9 H TO MAIN PWB CNSA103 6 17 12 C FROM 1 BIT AMP PWB D S G 2 3 1 1 3 2 1 1 3 2 2 3 1 2 3 1 2 3 IC401 VOLTAGE REGULATOR B B B B B B B B B B B B B B B B B B Q53...

Страница 32: ...6V FÐ FÐ V V NP NP P24 P23 P22 P21 P20 P19 P18 P17 P16 P15 P14 P13 P12 P11 P10 P9 P8 P7 P6 P5 P4 FAN MOTOR P_IN PROTECT VP B CHK GND CNVSS VPP FLASH ILU_LED B CHK PWR LEV 2 PWR LEV 1 FAN LOCK SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG11 SEG12 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 POWER DAC_CLK DAC_DATA TUN_SM DAC_ML RDS_RDY RDS_CLK RDS_DATA RDS_RST MOT LOCK DIG7 DIG8 DIG6 DIG5 DIG4 DIG3 ...

Страница 33: ...LAY S_22 S_5 S_6 S_7 S_8 S_1 S_2 S_24 CD_WRQ S_18 S_17 D_1 D_2 D_3 S_16 S_15 S_14 S_19 D_4 D_5 YSTEM COMPUTER DT CONT 40V RELAY DT CONT 7 9V NC NC NC NC F F P9 P8 P7 P6 P5 P4 P3 P2 P1 9G 8G 7G 6G 5G 4G 3G 2G 1G NP NP HEADPHONE PWB B2 GND L R SEG 23 OE FLASH CD CE SDA FLASH B CONT VSS FLASH CNVSS VPP FLASH VCC FLASH SEG24 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 DO DI CLK CE POWER RX_I...

Страница 34: ...HASSIS GND 11 10 2 7 8 1 3 2 3 2 4 1 4 1 1 2 3 4 1 2 3 4 1 11 10 9 8 7 6 5 4 3 1 10 9 8 7 6 5 4 3 2 1 9 6 5 4 3 2 3 5 4 CNS601 6 12 1 G FROM DISPLAY PWB CNP532 6 11 7 H TO MAIN PWB CNA100 6 16 1 F TO 1 BIT AMP PWB CNSA104 6 17 12 G FROM 1 BIT AMP PEB 0 0022 0 0022 0 0022 0 5 Posistor 1 8 Posistor 1 6 Posistor 1 6 Posistor B B B B B B B B B B B B B B B B B B SWITCHING VOLTAGE REGULATOR NOTES ON SCH...

Страница 35: ...0 3 2 3 2 4 1 4 1 180 400 680P POWER PWB A2 1 2 1 2 AC POWER SUPPLY CORD AC 230 V 50 Hz AC LINE FILTER AC LINE FILTER SWITCHING REGULATOR When Servicing pay attention as the area enclosed by this line is directly connected with AC main voltage B SWITCHING 0 0022 D953 D951 D952 D950 C967 C966 C965 T903 SUB POWER TRANSFORMER LUG903 PC902 PC901 30 R910 R914 R915 R916 C918 C919 D905 D906 Q902 IC901 R9...

Страница 36: ...T NFR1 NFL2 NFL1 NFR2 GNDA L CH Vref R CH Vref R CH IN L CH IN RESET VDA VDDL GNDD OUTL OUTL OUTR OUTR VDDR VDDX XI XO GNDX MCK ANALOG IN R CH ANALOG IN L CH 3 1 2 1 BIT AMP PWB C R CH OUTPUT OFFSET ADJUSTMENT L CH OUTPUT OFFSET ADJUSTMENT IC100 7TH ORDER Σ MODULATION CONVERSION LSI 1 2 3 B B B B B B B B B QA414 QA415 PROTECT DETECT NOTES ON SCHEMATIC DIAGRAM can be found on page 5 1 CNA101 RA101 ...

Страница 37: ...DJA VBOOTB VBOOTA VDD VBBB INB OUTA VBBA INA VBBA OUTA L CH_ 1 L CH_ 1 R CH_ 1 R CH_ 1 DRIVER_ 9V B 1 3 2 1 25 1 25 1 25 1 25 1 2 3 3 2 1 1 2 CNP934 6 14 2 F TO POWER PWB CNPS02 6 11 10 B TO PROTECT CIRCUIT PWB 180P CH 180P CH 180P CH 180P CH 0 001 0 001 B B B B CURRENT SENSOR The number 1 to 6 11 12 are waveform number shown in page 5 2 RA126 122 CA144 CA142 CA152 CA150 DA130 ICA102 DA108 CA146 D...

Страница 38: ...the system microcomputer especially the communication line with the DSP 2 Pressing the CD operation key is accepted but playback does not occur 2 1 Focus HF system check 2 2 Tracking system check 2 3 Spin system check 2 4 PLL system check 2 5 Others Parts code 1 CD optical pickup Lens cleaner disc UDSKA0004AFZZ HOW TO USE CAUTION Cleaning fluid Cleaner disc Using the brush in the cleaner cap apply...

Страница 39: ...activated Waveform drawing Figure 7 2 2 Pins 7 11 79 and 80 on IC1 Check the laser diode driver Q1 peripheral circuit When a disc is loaded start playback operation 2 Does DRF change from L to H Is the disc rotating 3 Is the HF waveform normal Waveform drawing Figure 7 2 3 Check the spin system If the disc is spinning and a HF waveform is generated DRF will go H Figure 7 2 1 Check the laser diode ...

Страница 40: ...ted Check the peripheral circuits at pins 14 15 and 20 on IC1 and CNS1A B If the waveform shown in Figure 7 3 1 appears and soon after NO DISC appears 2 2 Tracking system check Check the TE waveform at pin 15 on IC1 A normal jump operation cannot be completed or the beginning of the track cannot be found Check the around pin 20 on IC1 Initialization is possible but play is not possible Data cannot...

Страница 41: ...s CH3 0 00 V CH4 0 00 V BW FULL Trigger Filter Offset CH1 v DIV 500 mV 1999 04 05 17 33 17 Is pin 52 C2F on IC1 L Yes No The HF waveform is normal and the time is displayed normally but no sound is produced Or the sound has dropouts 2 5 Others There are too many error flags on a damaged disc which makes error correction impossible Check again using a known good disc 1 When playing at normal speed ...

Страница 42: ...minal 4 Controlled by commands from the micrcom puter When not used set them as input terminals and connect to 0 V or set them as output terminals and leave open 26 CONT5 Input Output Input Mode General purpose I O terminal 5 27 SBCK CONT6 Input Output Input Mode General purpose I O terminal 6 or Subcode reading clock input ter minal 28 SBCK FG Input Subcode reading clock input terminal FG signal ...

Страница 43: ...ut port 60 DATA Output L Left Right channel data output port 61 CE Input Microcomputer Interface Chip enable signal input port 62 CL Input Data transfer clock input port 63 DI Input Data input port 64 DO Output H Data output port N ch open drain output 65 WRQ Output H Interruption signal output 66 RES Input Chip reset signal input port This port must be set LOW after first applied power on 67 DRF ...

Страница 44: ...78646E Ð Ð Ð Ð Ð Ð MIX LPF LPF LPF TBAL TBAL RAM LEVEL SET AGC EQ SW PH BH Ð Ð Ð Ð MONI CONT A D SERVO PROCESSOR TRACK JUMP AUTO ADJUST JITTER DETECT 1bit DAC 8FS DIGITAL FILTER GENERAL PURPOSE PORTS COMMAND INTERFACE CLOCK GENERATOR CLV CAV CONTROL PLL VCEC SLICE LEVEL CONTROL APC S H D A SW DRF RUPTURE DEFECT FRAME SYNC DETECT PROTECT INSERT EFN DECODE VDD SUBCODE DECODE CRC MONITOR SIGNAL SELEC...

Страница 45: ...nsitions are detected on the SCLK pin for 2 consecutive periods of LRCK DEM1 Input De emphasis Control Implementation of the standard 15 µs 50 µs digital de enphasis filter response required reconfiguration of the digital filter to maintain the proper filter response for 32 44 1 or 48 kHz sample rates When using Internal Serial Clock Mode as described above Pin 3 is available for de emphasis contr...

Страница 46: ... Filter connection for internal quiescent reference voltage typically 50 of VA Capacitors must be connected from VQ to analog ground VQ is not intended to supply external current VQ has a typical source impedance of 250 kohms and any current drawn from this pin will alter device performance 11 REF_GND Input Reference Ground Ground reference for the internal sampling circuits Must be connected to a...

Страница 47: ...CIRCUIT CONTROL CIRCUIT CONTROL CIRCUIT LOUT LBASS LIN LSEL0 L4 L3 L2 L1 R1 R2 R3 R4 RSEL0 RIN RTRE LTRE RBASS ROUT VREF VDD CLK DI CE VSS CCB INTERFACE CD Tuner Tape Video 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 LC75341M DI CE VSS LOUT LBASS LTRE LIN LSEL0 L4 L3 L2 L1 CLK VDD VREF ROUT RBASS RTRB RIN RSEL0 R4 R3 R2 R1 ...

Страница 48: ...F control L DIG OUT ON H DIG OUT OFF 28 P74 PWM1 A D_RESET Output 1 bit amp A D reset control 29 P73 INT3 DIMOUT NO USE Output Open 30 P72 INT2 RX IN Input Remote control decoder input 31 P71 INT1 SYS_STOP Input AC power signal monitor 32 P70 INT0 OFFSET Input 1 bit amp offset error detection 33 P67 SRDY2 SCLK FLD55 CD_RESET Output SANYO CD DSP reset output L RESET 34 P66 SCLK2 FLD54 CD_CLK Output...

Страница 49: ...8 SEG 12 67 SEG 13 66 SEG 14 65 SEG 15 64 SEG 16 63 SEG 17 62 SEG 18 61 SEG 19 60 SEG 20 59 SEG 21 58 SEG 22 57 SEG 23 OE FLASH 56 SEG 24 55 NO USE 54 NO USE 53 NO USE 52 NO USE 51 NO USE P00 FLD8 P01 FLD9 P02 FLD10 P03 FLD11 P04 FLD12 P05 FLD13 P06 FLD14 P07 FLD15 P10 FLD16 P11 FLD17 P12 FLD18 P13 FLD19 P14 FLD20 P15 FLD21 P16 FLD22 P17 FLD23 P30 FLD24 P31 FLD25 P32 FLD26 P33 FLD27 P34 FLD28 P35 ...

Страница 50: ...t L 14 NFR1 Input R channel forward signal feedback input terminal 15 NFR2 Input R channel reverse signal feedback input terminal 16 GNDA Analog ground terminal for AD converter 17 Rch IN Input R channel analog input terminal 18 Rch Vref Input Reference voltage terminal for R channel 19 Lch Vref Input Reference voltage terminal for L channel 20 Lch IN Input L channel analog input terminal 21 RESET...

Страница 51: ...11 VCC Power supply to pre driver 12 VKK Lowest potential terminal of controller 13 INB Logic input 14 GND Ground for controller 15 VDD Power supply to controller 16 VBOOTB Bootstrap condenser terminal 17 18 VBBB Output stage power supply 19 20 OUTB Output stage switching output 21 SB Output stage low side source terminal VKK VDD INA DTADJA VKK DTADJB INB GND VCC UVLO Level Down COCD Level Down CO...

Страница 52: ...al type without lead wire VC TV Square type without lead wire VC TQ Square type without lead wire VC CY Square type without lead wire VC CZ Square type without lead wire VC J The 13th character represents capacity difference J 5 K 10 M 20 N 30 C 0 25 pF D 0 5 pF Z 80 20 If there are no indications for the electrolytic capacitors error is 20 Resistors VRD Carbon film type VRS Carbon film type VRN M...

Страница 53: ... VSKTA1504GR 1 J AB Silicon PNP KTA1504 GR QS12 VSKRC102S 1 J AB Digital NPN KRC102 S QS13 14 VSKTA1504GR 1 J AB Silicon PNP KTA1504 GR QT21 VSKTC3199GR 1 J AB Silicon NPN KTC3199 GR DIODES D1 2 VHDDS1SS133 1 J AB Silicon DS1SS133 D82 VHDDS1SS133 1 J AB Silicon DS1SS133 D101 VHDDS1SS133 1 J AB Silicon DS1SS133 D400 404 VHDDS1SS133 1 J AB Silicon DS1SS133 D421 423 VHDDS1SS133 1 J AB Silicon DS1SS13...

Страница 54: ...402 403 VCEAZA1HW105M J AB 1 µF 50V Electrolytic C404 VCKZPA1HF223Z J AA 0 022 µF 50V C405 VCQYKA1HM473K J AB 0 047 µF 50V Mylar C406 VCEAZA1CW106M J AC 10 µF 16V Electrolytic C407 VCEAZA1HW105M J AB 1 µF 50V Electrolytic C408 VCKZPA1HF223Z J AA 0 022 µF 50V C409 VCQYKA1HM473K J AB 0 047 µF 50V Mylar C410 VCKZPA1HF223Z J AA 0 022 µF 50V C411 VCEAZA1CW106M J AC 10 µF 16V Electrolytic C421 VCEAZA1EW...

Страница 55: ...25V Electrolytic CA401 403 VCKYCY1HB102K J AA 0 001 µF 50V CA404 405 VCKYCY1EB104K J AD 0 1 µF 25V CA406 VCEAZA1EW476M J AB 47 µF 25V Electrolytic CA407 VCEAZA1HW105M J AB 1 µF 50V Electrolytic CA408 VCKYCY1EB103K J AA 0 01 µF 25V CA409 VCKYCY1EF104Z J AA 0 1 µF 25V CA410 VCEAZA1EW476M J AB 47 µF 25V Electrolytic CA411 VCKYCY1EF104Z J AA 0 1 µF 25V CA412 VCEAZA1EW476M J AB 47 µF 25V Electrolytic C...

Страница 56: ...W R636 VRS CY1JB271J J AA 270 ohms 1 16W R637 VRS CY1JB102J J AA 1 kohm 1 16W R638 VRS CY1JB681J J AA 680 ohms 1 16W R639 VRS CY1JB102J J AA 1 kohm 1 16W R641 644 VRS CY1JB102J J AA 1 kohm 1 16W R645 VRD ST2CD102J J AA 1 kohm 1 6W R646 647 VRS CY1JB102J J AA 1 kohm 1 16W R648 649 VRS CY1JB270J J AA 27 ohms 1 16W R651 VRS CY1JB103J J AA 10 kohm 1 16W R652 VRS CY1JB122J J AA 1 2 kohms 1 16W R659 VRD...

Страница 57: ...or Ass y 6 5Pin BIS01 CNS531 QCNWN2627AWZZ J AK Connector Ass y 4 4Pin CNA100 92LCONE4P53254 J AC Plug 4Pin CNA101 92LCONE7P53254 J AB Plug 7Pin CNP1 92LCONE7P53253 J AC Plug 7Pin CNP2 92LCONE8P53253 J AC Plug 8Pin CNP4 92LCONE6P53253 J AC Plug 6Pin CNP4A 92LCONE6P53254 J AC Plug 6Pin CNP5 QCNCM705BAFZZ J AA Plug 2Pin CNP401 QCNCM705BAFZZ J AA Plug 2Pin CNP501 QCNCWZG34AWZZ J AE Socket 34Pin CNP50...

Страница 58: ...D Label Specifications Except for U K Russian 244 TSPC 1322AWZZ J Label Specifications For U K 244 TSPC 1373AWZZ J Label Specifications For Russian 245 92LCSPR1431C J AA Spring Ring 246 92LNBAND1318A J AA Nylon Band 80mm 247 LANGK0404AWFW J AD Bracket Protect Circuit PWB 601 LX BZ0073AWFD J AB Screw Special 602 LX BZ0880AFZZ J AC Screw ø2 2 2mm 603 LX EZ0005AWFD J AA Screw Special 604 LX JZ0010AFF...

Страница 59: ...WZZ J Terminal Speaker 912 LHLDZ8002AWSA J AG Catching Holder 913 XJBSD40P12000 J AA Screw ø4 12mm 914 XJBSD30P12000 J AA Screw ø3 12mm 915 LX EZ0040AWFG J AD Screw ø4 12mm SP1 2 RSPA10125AW4W J BB Woofer SP3 4 RSPA00114AW4T J BD Tweeter Ass y ACCESSORIES PACKING PARTS 1 QCNWH0010AWZZ J AL Speaker Cord 2 SPAKA0437AWZZ J Packing Add Top Bottom 3 SPAKZ1089AWZZ J Pad Speaker 4 SSAKH0145AWZZ J Polyeth...

Страница 60: ...SD EX220H A B C D E F G H 1 2 3 4 5 6 Figure 8 CD MECHANISM EXPLODED VIEW 8 SD EX220H 701 304 701 302 301 M802 703x2 SW4 M801 PWB D 306 2 306 704 306 1 306 3 702x2 303 ...

Страница 61: ...5 202 4 202 6 202 1 214 212 237 204 243 203 1 203 3 203 2x2 203 213 241 241 244 205 225 D902 D930 228x2 611x3 619x4 611 617x4 612x3 617x3 604x6 611x2 611x6 611 611 613 618x2 603x4 615 615 606 607 607 210 607 231 232 230 230 IC901 IC933 239x2 615x2 615 615 620x2 606x3 614x2 615x3 609x6 611x2 608x3 620 616x4 236 217 217 247 240 234 ICA101 ICA102 215 216 246 229 229 229 229 206 FL601 220 218 208 207 ...

Страница 62: ... SPEAKER EXPLODED VIEW 10 CP EX220H SP3 4 RD RD RD BK BK SP3 SP1 WOOFER Capacitor 3 9 µF 100 V N P C1 4 SP3 4 2 SP1 906 910 914x6 913x4 912x4 915x3 913 901 905 909 902 907 903 2 SP1 2 WOOFER TWEETER TWEETER C2 C1 C2 Capacitor 3 9 µF 100 V N P C1 C2 ...

Страница 63: ...NSE0548AWZZ 17 Quick Guide TiNSE0549AWZZ 18 Label Bar Code 1 Speaker Cord QCNWH0010AWZZ 2 Packing Add Top Bottom SPAKA0437AWZZ 3 Pad Speaker SPAKZ1089AWZZ 4 Polyethylene Bag Speaker SSAKH0145AWZZ 5 Polyethylene Bag Speaker Cord SSAKK0001AWZZ 6 Label Model TLABZ1430AWZZ 7 Leg Cushion Front Panel PCUSG0155AWZZ 8 Leg Cushion Rear Cabinet PCUSG0156AWZZ 9 Polyethylene Bag Leg Cushion SSAKA0016AWZZ 19 L...

Страница 64: ...ed in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A0307 1DS HA M SG SK RUS SHARP CORPORATION AV Systems Group Audio Systems Division Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan ...

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