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HD990 Components List for Main Board (5604C01)                                                                  

P/N

Description

Specification

Qty Location.No.

Note

01.54.CS.3E391N50V

Capacitor, multilayer ceramic, chip

0805-390P  NPO±5%/50V

2

C89 C90

01.54.CS.3E471N50V

Capacitor, multilayer ceramic, chip

0805-470P  NPO±5%/50V

2

C92 C93

01.54.CS.3E681N50V

Capacitor, multilayer ceramic, chip

0805-680P NPO±5%/50V

1

C98

01.54.CS.3E102X50V

Capacitor, multilayer ceramic, chip

0805-102  X7R ±10%/50V

3

C56 C139 C149

01.54.CS.3E332X50V

Capacitor, multilayer ceramic, chip

0805-332  X7R±10%/50V

3

C142 C143 C150

01.54.CS.3E392X50V

Capacitor, multilayer ceramic, chip

0805-392  X7R±10%/50V

1

C148

01.54.CS.3E472X50V

Capacitor, multilayer ceramic, chip

0805-472  X7R±10%/50V

1

(C157)

01.54.CS.3E103X50V

Capacitor, multilayer ceramic, chip

0805-103  X7R±10%/50V

5

C70 C82 C100 C101 C140

01.54.CS.3E223X50V

Capacitor, multilayer ceramic, chip

0805-223  X7R±10%/50V

1

C57

01.54.CS.3E273Y50V

Capacitor, multilayer ceramic, chip

0805-273  Y5V-20+80%/50V

1

C145

01.54.CS.3E473X50V

Capacitor, multilayer ceramic, chip

0805-473  X7R±10%/50V

1

C95

01.54.CS.3E104Y50V

Capacitor, multilayer ceramic, chip

0805-104  Y5V+80-20%/50V

103

(C45) C46 C47 (C48) (C49) C50  C51 
C52 
(C53) C54 (C55) (C58) C59 C60 C68 
(C72) 
(C73) (C74) C81 (C83) (C84) (C85) C86 
(C87) C88 (C91) C97 (C99) (C103) 
(C104) (C105) (C106) (C107) C108 
(C109) (C110) (C111) (C112) (C113) 
(C114) (C115) (C116) (C117) (C118) 
(C119) (C120) C123 C124 C125 
(C127) (C128) (C129) C130 (C131) 
(C132) (C133) (C134) (C135) (C136) 
(C137) C138 
C144 C151 C153 C154 (C156) C161 
C164 C165 C166 C188 C189 C65 C66 
C67 C71 
C190 C191 C192 C193 C194 C195 C196 
C197 C198 C199 C200 C201 C202 C203 
C204 C205 C206 C207 C208 C209 C210 
C211 C212 C213 C214 C215 C216

01.54.CS.3E105Y16V

Capacitor, multilayer ceramic, chip

0805-105  Y5V-20+80%/16V

6

(C69) C80 C158 C159 C162  C163

01.54.CS.3E475Y16V

Capacitor, multilayer ceramic, chip

0805-475 Y5V+80-20%/16V

1

C155

01.54.CS.4E104X50V

Capacitor, multilayer ceramic, chip

1206-104  X7R±10%/50V

24

C1 C2 C6 C8 C9 C10 C11  C13 C14 C15 
C16 C21  C23 C24 C28 C30 C31 C32 
C33  C35 
C36 C37 C38 C43

01.34.CL.DE10U16VC

Capacitor, AL.electrolytic

CD110-10UF/16V 5*11

1

CE53

01.34.CL.D47U25VC1

Capacitor, AL.electrolytic

CD110-47UF/25V  5*11

20

CE1 CE2 CE3 CE4 CE5 CE6 CE7 CE8 
CE9 CE10 CE11 CE12 CE13 CE14 CE15 
CE16 CE17  CE18 CE48 CE50

01.34.CLDE47U50VCD Capacitor, AL.electrolytic

CD110-47UF/50V 6.3*12

11

CE19 CE21 CE22 CE23 CE24   CE25 
CE26 CE27 CE28 CE29 CE30

01.34.CLDE220U10VD

Capacitor, AL.electrolytic

CD110-220UF/10V 5*12

25

CE33 CE41 CE43 CE46 CE49 CE20 
CE31 CE32 CE34 CE35  CE36 CE37 
CE38 CE39 CE40 CE42 CE44 CE45 
CE57 CE58 CE59 CE60 CE61 CE62 
CE52

01.34CLDEH470U35VG Capacitor, AL.electrolytic

CD288H-470UF/35V  10*20

2

CE47 CE51

WB serie,samwha 
105

(M)

01.00.CDDLE33263V

Metallized Polyester Film Capacitor

332/63V

4

C183 C184 C185 C186

Faratronic 
NO:C241J332J2

01.00.CD.DLE10463V

Metallized Polyester Film Capacitor

104/63V

4

C167 C173 C176 C181

Faratronic 
NO:C241J104J2

01.00.CD.DLE68163V

Metallized Polyester Film Capacitor

681/63V

8

C168 C169 C171 C174 C178 C179 C180 
C182

Faratronic 
NO:C241J681K2

01.00.CD.DLE22250V

Metallized Polyester Film Capacitor

222/50V

4

C170 C172 C175 C177

Faratronic 
NO:C241H222J2

01.13.L.L.S.E007

Inductor, multilayer ceramic, chip

0805-10UH, SMD

2

L5 L6

01.13.L.L.S.E362

Inductor,Weifengda

WBR453232-220K-R, SMD1812

2

L2 L1

01.13.L.L.D.E081

Inductor, Coilcraft

WB1010-1, DIP6

4

T1 T2 T3 T4

01.13.L.L.S.E382

Inductor, TDK

1812-47UH, SMD1812

2

L4 L3

01.13.L.Z.ESC100

Bead, chip,

1206-100

, SMD

14

FB1 FB2 FB3 FB4 FB5 FB6 FB7 FB8 
FB9 FB10 FB11 FB12 FB13 FB14

01.00.ZJ.BHQ.E008

Relay, HongFa

HFD27/005-S(555), DIP

2

K2 K1

01.41.D.PS.E5819

Schottky Rectifier, Rohm

5819 1A SCHOTTKY, SS14

1

D22

01.41.D.PS.ELL4148

Diode

LL4148, DO-213AA

14

D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 
D12 D13 D21

01.41.D.PSE30BQ040

Schottky Rectifier, IR

30BQ040 3A, SMC

4

D14 D15 D16 D20

01.41.D.FS.E019

LED, BRIGHTEK

1SA1206V31C0CAE1(Red), SMD

3

D17 D18 D19

01.41.D.WS.E6V2

Zener diode

6.2V 0.4W, SMD

1

DZ1

01.42.Q.S.E123

MOSFET, DIODES

BSS123, SOT-23

1

MQ1

01.42.Q.S.E1035

Transistor,Panasonic

2SA1035, SOT-23

17

Q1 Q2 Q4 Q6 Q9 Q10 Q12 Q14 Q17 Q18 
Q20 Q22 Q25 Q26 Q28 Q30 Q33

01.42.Q.S.E2406

Transistor,Panasonic

2SC2406, SOT-23

16

Q3 Q5 Q7 Q8 Q11 Q13 Q15  Q16 Q19 
Q21 Q23 Q24 Q27 Q29 Q31 Q32

01.42.Q.S.E1132

Transistor, ROHM

2SB1132, MPT3

2

Q43 Q44

01.42.Q.S.E1664T

Transistor, ROHM

2SD1664T100R, MPT3

2

Q34 Q35

01.42.Q.S.E3018

MOSFET,ROHM

2SK3018T106, MPT3

2

MQ2 MQ3

01.42.Q.D.E8050

Transistor

KTC8050-C/P, TO-92

2

Q38 Q39

01.42.Q.D.E8550

Transistor

KTC8550-C/P, TO-92

2

Q36 Q37

01.42.Q.S.EBCP5616

Transistor, NXP

BCP56-16, SOT223

2

Q40 Q41

harman/kardon

HD 990/230 Service Manual

Page 8 of 46

Summary of Contents for HD 990/230

Page 1: ...ev 1 05 2012 8500 Balboa Boulevard Northridge California 91329 SEMICONDUCTOR PINOUTS 12 PCB DRAWINGS 30 VERSION HISTORY 34 SCHEMATIC DIAGRAMS 35 46 SERVICE BULLETIN RATTLE NOISE 47 BASIC SPECIFICATIONS 2 TROUBLESHOOTING GUIDE 3 PACKAGE LIST AND PARTS 4 EXPLODED VIEW 5 PARTS LIST 6 CONTENTS ...

Page 2: ...eneral Power Requirement 100 240 V 50 60 Hz Power Consumption 20 Watts On 2 Watts Standby Dimensions Height 63mm Width 440mm Depth 332mm Weight 3 8 kg Depth measurement includes knobs buttons and connection jacks Height measurement includes feet and chassis All features and specifications are subject to change without notice Harman Kardon is a registered trademark Technical Specifications 250 Cros...

Page 3: ...ve outlet Turn on Power Switch Install fresh batteries observing polarity indications Remove obstructions from the front panel sensor or connect a remote sensor to the Remote In jack on the rear panel Reload disc with label side facing up Make certain connections are secure and made to the correct e g CD input Select CD source on receiver or preamp Try another disc Isolate the unit from vibration ...

Page 4: ...5 4 12 6 1 1 2 11 10 9 13 14 15 16 17 18 19 17 20 3 7 8 harman kardon HD 990 230 Service Manual Page 4 of 46 ...

Page 5: ...harman kardon HD 990 230 Service Manual Page 5 of 46 ...

Page 6: ...80 H01 01 00 DP HM E125 Sponge 20 10 2mm with double sides glue 3 For VFD 2 Loader flat cable 1 01 00 DP HM E303 Sponge 20 50 2mm with single side glue 1 For Loader flat cable and chassis 1 01 00 DP HM E124 Sponge 20 10 3mm with single side glue Black 4 Sticked on Front panel bracket 01 00 DP JY E615 Insulated PVC 176 5 84 4 0 5mm with single side glue 1 Sticked under SMPS board 01 00 DP JY E153 I...

Page 7: ... R179 R190 R222 R244 R267 01 57 R 3 E512J Resistor chip 0805 5 1KΩ 5 1 R202 01 57 R 3 E622F Resistor chip 0805 6 2KΩ 1 1 R249 01 57 R 3 E822F Resistor chip 0805 8 2KΩ 1 3 R200 R203 R266 01 57 R 3 E103J Resistor chip 0805 10KΩ 5 35 R86 R87 R89 R114 R120 R122 R123 R132 R133 R134 R135 R143 R144 R145 R146 R147 R152 R155 R156 R161 R168 R171 R173 R176 R185 R217 R218 R221 R223 R232 R238 R242 R243 R245 R2...

Page 8: ...CE17 CE18 CE48 CE50 01 34 CLDE47U50VCD Capacitor AL electrolytic CD110 47UF 50V 6 3 12 11 CE19 CE21 CE22 CE23 CE24 CE25 CE26 CE27 CE28 CE29 CE30 01 34 CLDE220U10VD Capacitor AL electrolytic CD110 220UF 10V 5 12 25 CE33 CE41 CE43 CE46 CE49 CE20 CE31 CE32 CE34 CE35 CE36 CE37 CE38 CE39 CE40 CE42 CE44 CE45 CE57 CE58 CE59 CE60 CE61 CE62 CE52 01 34CLDEH470U35VG Capacitor AL electrolytic CD288H 470UF 35V...

Page 9: ...8 2 U1 U5 0146ICESN65LVDS2DB IC TI Differential Receiver SN65LVDS2DBVR DBV5 1 U15 01 40 CON DCZ E121 Jack IR in out jack SCJ351P00XS0B00 BLACK In line Package 1 JP7 01 40 CON DCZ E046 Jack Audio output jack AV2 8 4 1G 1 JP1 Antiflaming Down red up white Gold plated jack 01 40 CON DPH E000 Connector PH 2A 1 CN7 Antiflaming 01 40 CON DPH E024 Connector PH 5A 1 CN3 Antiflaming 01 40 CON DPH E028 Conn...

Page 10: ...voltage metallized polyester film 104 275V X2 lead pitch 15mm 1 CX1 01 00 CDGYE471400V High voltage metallized polyester film 471 400V Y1 lead pitch 10mm 2 CY1 CY2 01 00 CDGYE102400V High voltage metallized polyester film 102 400V Y1 lead pitch 10mm 1 CY3 01 00 CD CPE1031KV High voltage metallized polyester film 103 1KV lead pitch 7 5mm 1 C1 01 00 CDDSE473 50V RADIAL LEADS MLCC 473 50V X7R 10 lead...

Page 11: ... FZ ZZ E003 Jumper 10mm 1 JP4 01 00 FZ ZZ E010 Jumper 15mm 1 JP6 01 37 PCB 1 E1254C 1254C SMPS board 1 1 layer HD990 Components List for Remote Control Include Circuits Board 1782C P N Description Specification Qty Location No Note 01 00 WJ TH E183 Anode Spring 1 same as DVD25 01 00 WJ TH E184 Cathode Spring 1 same as DVD25 01 00 WJ TH E185 Double role spring 1 same as DVD25 01 00 SJ HD990E001 Rem...

Page 12: ...ADSP BF532SBSTZ400 LQFP176 harman kardon HD 990 230 Service Manual Page 12 of 46 ...

Page 13: ...VT7208 LQFP 216 harman kardon HD 990 230 Service Manual Page 13 of 46 ...

Page 14: ...KH29LV040CQC 70G PLCC 32 A290011TL 70 PLCC 32 harman kardon HD 990 230 Service Manual Page 14 of 46 ...

Page 15: ...HY57V641620ETP 7 TSSOP 54 M11B416256A SOJ 40 harman kardon HD 990 230 Service Manual Page 15 of 46 ...

Page 16: ...BA5888FP HSOP 28 AD1955 SSOP 28 harman kardon HD 990 230 Service Manual Page 16 of 46 ...

Page 17: ...SN74HCT245PWR TSSOP 20 74HCT14D SOIC14 harman kardon HD 990 230 Service Manual Page 17 of 46 ...

Page 18: ...SN74LVC125ADR SOIC8 SN74LVC244APWR TSSOP20 harman kardon HD 990 230 Service Manual Page 18 of 46 ...

Page 19: ...SN74LV74ADR SOIC14 SN65LVDS2DBVR DBV5 harman kardon HD 990 230 Service Manual Page 19 of 46 ...

Page 20: ...CS8416 CZZ TSSOP28 ICS83905AGT TSSOP16 harman kardon HD 990 230 Service Manual Page 20 of 46 ...

Page 21: ...TL072CD SO8 AD8663ARZ SOIC8 harman kardon HD 990 230 Service Manual Page 21 of 46 ...

Page 22: ...OPA2134UA SOIC8 OP275GS SO8 harman kardon HD 990 230 Service Manual Page 22 of 46 ...

Page 23: ...LM393 SOP8 AZ1117 ADJ 3 3V 5V SOT 223 harman kardon HD 990 230 Service Manual Page 23 of 46 ...

Page 24: ...LM9022 SOP8 EM78P156ELM G SOIC18 harman kardon HD 990 230 Service Manual Page 24 of 46 ...

Page 25: ...TPS73033DBVR DVB5 AAT3522 SOT 23 harman kardon HD 990 230 Service Manual Page 25 of 46 ...

Page 26: ...L7805 L7812 TO 220 L7912 TO 220 harman kardon HD 990 230 Service Manual Page 26 of 46 ...

Page 27: ...BA33BCO TO 220 LM317T TO 220 harman kardon HD 990 230 Service Manual Page 27 of 46 ...

Page 28: ...KA5M02659R DIP8 PC817 DIP4 harman kardon HD 990 230 Service Manual Page 28 of 46 ...

Page 29: ...AZ431AZ ATRE1 TO 92 LC75711NE QFP64E harman kardon HD 990 230 Service Manual Page 29 of 46 ...

Page 30: ...harman kardon HD 990 230 Service Manual Page 30 of 46 ...

Page 31: ...harman kardon HD 990 230 Service Manual Page 31 of 46 ...

Page 32: ...harman kardon HD 990 230 Service Manual Page 32 of 46 ...

Page 33: ...harman kardon HD 990 230 Service Manual Page 33 of 46 ...

Page 34: ...12D 8 Renamed net DAC_SDATA_R1 as DAC_SDATA_L and Renamed net DAC_SDATA_R2 as DAC_SDATA_R REV 1 2 1 Change R5 R26 R46 R67 to 820R 2 Add R272 R273 R274 valued 0R 3 Add C187 0805 47pF and C188 0805 100nF 4 Add U41 SN74LVC244 5 Change R90 R91 R92 to 47R 6Change some connections between U40A and U12C 7 Add a 47R resistance between U40 PIN5 and U12C PIN12 8 Change 3 3V supply of JP4 to 5V REV 1 3 1 Add...

Page 35: ...CH CCLK CDATA DSD_SCLK DSD_LDATA EF_RDATA RST ZERO_R MUTE AGND FILTB IREF FILTR C168 680pF R20 47K R13 330R Q16 2SC2406 3 2 1 C1 100nF R19 330R R31 56R R4 680R C8 100nF CE3 47uF 25V 1 2 B C E Q6 2SA1035 2 3 1 B C E Q2 2SA1035 2 3 1 R7 330R FB12 100R B C E Q12 2SA1035 2 3 1 Q8 2SC2406 3 2 1 C167 100nF C6 100nF C14 100nF CE60 100uF 10V 1 2 B C E Q10 2SA1035 2 3 1 Q5 2SC2406 3 2 1 R28 330R C15 100nF ...

Page 36: ...19 16 14 13 DVDD AVDD AGND DGND OUT L OUT L OUT R OUT R ZERO_L DSD_RDATA DSD_PHASE LRCLK EF_WCLK BCLK EF_BCLK SDATA EF_LDATA MCK CLATCH CCLK CDATA DSD_SCLK DSD_LDATA EF_RDATA RST ZERO_R MUTE AGND FILTB IREF FILTR R82 47K C35 100nF CE12 47uF 25V 1 2 R77 2K2 R43 330R Q29 2SC2406 3 2 1 CE8 47uF 25V 1 2 C177 2 2nF R57 680R CE11 47uF 25V 1 2 R53 510R Q27 2SC2406 3 2 1 C185 3 3nF R73 2K7 C178 680pF R62 ...

Page 37: ...65 150R GND JP6 HRS Link 1 2 3 4 5 6 7 8 9 10 CE18 47uF 25V 1 2 JP5 VST5R 1 2 3 4 5 6 7 VIN VCC GND E H PAD PAD U17 TPS73033DBVR 5 3 4 1 2 OUT EN NR IN GND C64 NA C68 100nF R110 47R R94 100R L2 22uH R109 270R R269 NA U39D 74HCT14D 8 9 R102 47R C61 4 7pF JP7 SCJ35PP00XS0B00 1 2 3 6 4 5 L1 22uH C51 100nF R93 3K3 R90 47R U14 ICS83905 16 1 15 2 4 6 8 10 12 14 9 5 13 3 7 11 XTAL_IN XTAL_OUT ENABLE_1 EN...

Page 38: ... OE 1 U12D 74LCX125MTR 9 8 14 7 10 C191 100nF R137 47R R133 10K C188 100nF C74 100nF TP18 R125 47R C208 100nF K2C RELAY JRC 19F 1 16 RN2 4 33R 1 8 2 7 3 6 4 5 C190 100nF MQ1 BSS123 1 2 3 U23 KH29LV040CQC 70G 16 22 24 1 32 13 14 15 12 11 10 9 8 7 6 5 27 26 23 25 4 28 29 17 18 19 20 21 3 2 30 31 GND CE OE A18 VCC I O0 I O1 I O2 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 I O3 I O4 I O5 I O6 I ...

Page 39: ...K7 R219 470R C107 100nF C212 100nF C71 100nF FB9 100R U43 AD1580 3 2 1 R220 470R CE45 100uF 10V 1 2 CE51 470uF 35V low ESR 1 2 CE39 100uF 10V 1 2 VIA3 VIA_PAD4 0 1 2 3 4 5 6 7 8 9 CE38 100uF 10V 1 2 FB8 100R CE33 220uF 10V 1 2 R221 10K U29 AZ1117H 3 3 2 3 1 4 OUT IN ADJ TAB U44 AD1580 3 2 1 C110 100nF FB3 100R C108 100nF VIA1 VIA_PAD4 0 1 2 3 4 5 6 7 8 9 FB4 100R D18 LED rouge 1 2 C213 100nF D20 3...

Page 40: ...N14_1 25MM_DIP_2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CE23 47uF 50V 1 2 R150 100R D6 LL4148 1 2 CE22 47uF 50V 1 2 R164 100R D4 LL4148 1 2 D3 LL4148 1 2 CE25 47uF 50V 1 2 R155 10K CE24 47uF 50V 1 2 R151 100K D10 LL4148 1 2 R160 15K R166 390R R163 100R CE19 47uF 50V 1 2 U25 LM9022 1 2 6 3 4 7 5 8 SN SYS VDD IN IN GND VO1 VO2 C82 10nF D5 LL4148 1 2 R162 100R R165 240R D9 ...

Page 41: ...B VR_CD E VR_CD C VR_DVD TR F F D A CD_DVD VR_DVD GND GND RF GIO6 LDOCD LDODVD MDI F E A D RF C B TR TR F F VRA VRA A5V A5V A5V A5V RF01 Q35 2SD1664 1 3 2 R172 100K CN7 CON2_2 0MM_DIP 2 1 G S D MQ3 2SK3018 1 2 3 CN2 CON24_0 5MM 10 9 8 7 6 5 4 3 2 1 11 13 12 15 14 16 20 19 18 17 24 23 22 21 25 26 TP27 TP25 R171 10K R169 100K R168 10K R170 0R R173 10K R167 0R R174 100K D13 LL4148 1 2 G S D MQ2 2SK30...

Page 42: ...C102 NA R180 240R R188 1M R185 10K R207 1R R201 0R C99 100nF C95 47nF C90 390pF FMSO1 TOSO1 R195 2K2 B C E Q37 8550 2 1 3 C88 100nF C94 100pF R203 8K2 R204 1R R178 1K5 C87 100nF CN3 CON5_2 0MM_DIP 1 2 3 4 5 U27B LM393 5 6 7 8 4 R205 1R R183 100R U27A LM393 3 2 1 8 4 R199 2K2 R181 240R C91 100nF C89 390pF C98 680pF R202 5K1 C86 100nF FOFO1 R194 0R R182 22K C101 10nF R193 2 2K C93 470pF R192 22K R18...

Page 43: ...118 116 115 114 136 121 134 113 157 158 159 160 161 162 163 164 165 166 167 170 173 172 171 174 175 177 176 178 168 169 182 183 181 184 185 187 186 188 189 190 191 192 193 195 194 196 197 198 199 207 200 201 204 206 205 1 2 3 4 37 5 6 7 8 9 180 179 10 11 12 13 14 15 16 17 19 18 22 24 23 20 21 28 25 26 27 32 29 31 34 35 39 40 38 41 42 44 45 43 47 48 49 50 51 52 46 53 54 208 71 209 212 211 214 215 2...

Page 44: ...CE402 100uF 10V 1 2 C402 22pF CN403 CON6_1 25MM_DIP_B 1 2 3 4 5 6 R401 15K K405 Prev 1 3 2 4 K403 Pause 1 3 2 4 C406 100nF R411 4 7K R408 4 7K K402 Play 1 3 2 4 R415 0R K406 Next 1 3 2 4 C401 2 2uF Y401 4 000MHZ 1 2 3 IR G VCC IR401 HS0038B 1 2 3 K407 Display 1 3 2 4 LED401 1 2 3 C403 22pF R412 200R CN404 CON3_2 54MM_DIP 1 2 3 1 2 3 C405 100nF R410 4 7K VR1 NA 1 2 3 R402 4 7K K401 Standby 1 3 2 4 ...

Page 45: ...en Close 1 3 2 4 C415 47nF CN402 CON6_1 25MM_DIP_B 1 2 3 4 5 6 R415 10K LC75711NE U402 LC75711NE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM12 AM13 AM14 AM15 AM16 AM17 AM18 AM19 AM20 AM21 AM22 AM23 AM24 AM25 AM26...

Page 46: ...or Reference D 3 3V D11 FR104 EC12 100u 25V D10 FR104 EC9 220u 25V EC11 100u 25V EC10 220u 25V L5 20uH L4 20uH A 14 5V 230mA A 14 5V 50mA C11 104 25V AGND AGND 14 5V 50mA 14 5V 230mA D 5V D 5V DGND MGND DGND D12 21DQ10 EC14 220u 25V EC15 220u 25V L6 20uH EC16 220u 10V A 5V 200mA 1A Max C12 104 25V ADJ 1 Vout 2 Vin 3 IC5 LM317 7 5V 200mA R13 220R R14 680R SC1 MCR100 6 R15 10K R16 100R Q2 9014 D14 1...

Page 47: ...the following repair Add damping pads to prevent rattling Rattling noise is related to the spinning disc not being completely balanced or centric Parts Pads Part number EDV3485ORATTLE 5 sets of 4 pads Procedure Please mount 2x2 damping pads as shown in the pictures Note There should be no marks in the surface or stickers on the disc causing imbalance when the disc is spinning Even original discs m...

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