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Sony Ericsson service manual CDX-M620/M670, Page 44, Ic B/D Ic B/D

Models: CDX-M620

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CDX-M620/M670

4-11. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) — • Refer to page 54 for IC Block Diagrams.

IC B/D

(Page

44)

IC B/D

(Page 46)

Note:

• Voltage is dc with respect to ground under no-signal (detuned) condition.

no mark : FM

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Page 45

Image 45

Sony Ericsson service manual CDX-M620/M670, Page 44, Ic B/D Ic B/D

Contents

SERVICE MANUAL SPECIFICATIONSAUDIO POWER SPECIFICATIONS US MODEL Power amplifier sectionCDX-M620/M670 SERVICE NOTESUS model AEP/UK model2. DISASSEMBLY TABLE OF CONTENTS3. PHASE ALIGNMENT 4. DIAGRAMSCDX-M620/M670 SECTION GENERAL US MODEL AEP, UK, E MODELThis section is extracted from instruction manual CDX-M620/M670 US, AEP, UK, E MODELCDX-M620/M670 US MODELCDX-M620/M670 AEP, UK, E MODELCDX-M620/M670 CDX-M620/M670 US, AEP, UK, E MODEL CDX-M620/M670CDX-M620/M670 CDX-M620/M670 US MODEL ConnectionCDX-M620/M670 CDX-M620/M670 AEP, UK, E MODEL ConnectionCDX-M620/M670 2-2.FRONT PANEL ASSY INOPERATIVE CDX-M620/M670 SECTION DISASSEMBLY2-1.FRONT PANEL ASSY NORMAL 2-3.CD MECHANISM BLOCK, FRONT PANEL KEY ASSY2-5.MOTOR BLOCK ASSY, CAM R ASSY 2-4.SUB PANEL CD SUB ASSYCDX-M620/M670 1CN603 4 claw 3PTT 5 claw 2 PTT 2.62-7.HEAT SINK 2-6.MAIN BOARDCDX-M620/M670 5 MAIN board 3PTT 2.6x6 ground point2-9.LEVER SECTION 2-8.CHASSIS T SUB ASSYlead wires CDX-M620/M6702-11.SHAFT ROLLER ASSY 2-10.SERVO BOARDCDX-M620/M670 Fig.2-13.OPTICAL PICK-UPBLOCK 2-12.FLOATING BLOCK ASSYCDX-M620/M670 7 compression spring FL 1 tension spring KF13-1.ARM A-LASSY, ARM B-LASSY CDX-M620/M670 SECTION PHASE ALIGNMENT3-2.CAM L 3arm A-Lassy 4 stop ring 1.5, type-E3-4.ALIGNMENT BETWEEN ARM A-LASSY AND ARM B-LASSY 3-3.MOTOR BLOCK2 motor block SWITCH board 5PTT SW1001 SW1002 CDX-M620/M6703-6.CAM R 3-5.ARM A-RASSY, ARM B-RASSYCDX-M620/M670 3 arm A-Rassy 2stop ring 1.5, type-E4-1.IC PIN DESCRIPTIONS CDX-M620/M670 SECTION DIAGRAMSCDX-M620/M670 Tracking error signal input• IC5 CXP84640-072QCD SYSTEM CONTROL SERVO BOARD CDX-M620/M670SENS CDX-M620/M670Not used. Open CDX-M620/M670CDX-M620/M670 DC/DC converter power control signal4V SEL CDX-M620/M670SA CLK CDX-M620/M670CDX-M620/M670 4-2.CIRCUIT BOARDS LOCATION• Signal path 4-3.BLOCK DIAGRAM — CD SECTION —CDX-M620/M670 • R-ch :same as L-ch• Signal path 4-4.BLOCK DIAGRAM — TUNER SECTION —CDX-M620/M670 SECTIONCDX-M620/M670 4-5.BLOCK DIAGRAM — DISPLAY SECTION —SECTION TUNER•Waveforms — Main Board — • Waveforms — Servo Board —MODE: CD PLAY MODE: FMCDX-M620/M670 • Semiconductor Location CDX-M620/M670Ref. No LocationCDX-M620/M670 • Refer to page 37 for WaveformsPage Page PageCDX-M620/M670 • Refer to page 37 for WaveformsIC B/D 4-9.PRINTED WIRING BOARDS — MAIN SECTION — CDX-M620/M670• Semiconductor Location CDX-M620/M670 Page• Semiconductor Location • Refer to page 37 for Waveforms CDX-M620/M670IC B/D no mark : FMIC B/D CDX-M620/M670Page 44 IC B/D IC B/D• Refer to page 37 for Waveforms CDX-M620/M670IC B/D IC B/D• Refer to page 37 for Waveforms CDX-M620/M670Page Page 46 Page IC B/DCDX-M620/M670 4-14.PRINTED WIRING BOARD — SUB CD SECTION —IC B/D CDX-M620/M6704-16.PRINTED WIRING BOARD — KEY SECTION — CDX-M620/M670• Semiconductor Location 4-17.SCHEMATIC DIAGRAM — KEY SECTION — CDX-M620/M670Page Page 47 4-18.PRINTED WIRING BOARD — DISPLAY SECTION — CDX-M620/M670• Semiconductor Location CDX-M620/M670 Page 51IC B/D IC1 CXA2596M • IC BLOCK DIAGRAMSIC7 LA6576L-TE-L IC306 TC7660SE0A713IC305 TDA7406TR IC62, 901 RRX9000-0601CDX-M620/M670 5-1.CHASSIS SECTION SECTION EXPLODED VIEWSCDX-M620/M670 MG-383Z-121//K64 #2 5-2.CAM SECTION52 66 CDX-M620/M6705-3.MAIN BOARD SECTION 102 101CDX-M620/M670 178 175 5-4.FRONT PANEL KEY ASSY SECTION176 177 156 158 155 154207 206 209 205 5-5.FRONT PANEL DSPL ASSY SECTION 212 211 213 210208 207 215 204 CDX-M620/M670253 257 5-6.CD MECHANISM SECTION 1 MG-383Z-121//K259 251 266 265 264 256 264 255 267 258306 307 5-7.CD MECHANISM SECTION 2 MG-383Z-121//K 304 301307 308 312 313359 356 5-8.CD MECHANISM SECTION 3 MG-383Z-121//K 351360 354 355 361SECTION ELECTRICAL PARTS LISTDISPLAY CDX-M620/M670CDX-M620/M670 DISPLAY DISC IN SW KEY CDX-M620/M670 KEY LIMIT SW CDX-M620/M670 MAINCDX-M620/M670 MAIN CDX-M620/M670 MAINRef. No Ref. No CDX-M620/M670 MAINCDX-M620/M670 MAINRef. No Part No CDX-M620/M670 MAINCDX-M620/M670 MAINPart No CDX-M620/M670 MAIN SERVO CDX-M620/M670 SERVO Replace only with part number specified CDX-M620/M670 SERVO SUB CD413414 CDX-M620/M670Ref. No Date CDX-M620/M670 REVISION HISTORYDescription of Revision 2001.