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Sony Ericsson service manual CDX-M620/M670, 4V SEL

Models: CDX-M620

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Page 31

CDX-M620/M670

Pin No.	Pin Name	I/O	Pin Description

112	4V SEL	I	4V select control signal

113	(NCO)	O	Not used. (Open)

114	TUN ON	O	Tuner power control signal

115	LED SW1	O	Illumination select control signal 1

116	LED SW2	O	Illumination select control signal 2

117	(NCO)	O	Not used. (Open)

118	(NCO)	O	Not used. (Open)

119	VSS	—	Ground

120	(NCO)	O	Not used. (Open)

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Sony Ericsson service manual CDX-M620/M670, 4V SEL

Contents

Power amplifier section SPECIFICATIONSSERVICE MANUAL AUDIO POWER SPECIFICATIONS US MODELAEP/UK model SERVICE NOTESCDX-M620/M670 US model4. DIAGRAMS TABLE OF CONTENTS2. DISASSEMBLY 3. PHASE ALIGNMENTUS MODEL AEP, UK, E MODEL CDX-M620/M670 SECTION GENERALThis 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 2-3.CD MECHANISM BLOCK, FRONT PANEL KEY ASSY CDX-M620/M670 SECTION DISASSEMBLY2-2.FRONT PANEL ASSY INOPERATIVE 2-1.FRONT PANEL ASSY NORMAL1CN603 4 claw 3PTT 5 claw 2 PTT 2.6 2-4.SUB PANEL CD SUB ASSY2-5.MOTOR BLOCK ASSY, CAM R ASSY CDX-M620/M6705 MAIN board 3PTT 2.6x6 ground point 2-6.MAIN BOARD2-7.HEAT SINK CDX-M620/M670CDX-M620/M670 2-8.CHASSIS T SUB ASSY2-9.LEVER SECTION lead wiresFig. 2-10.SERVO BOARD2-11.SHAFT ROLLER ASSY CDX-M620/M6707 compression spring FL 1 tension spring KF1 2-12.FLOATING BLOCK ASSY2-13.OPTICAL PICK-UPBLOCK CDX-M620/M6703arm A-Lassy 4 stop ring 1.5, type-E CDX-M620/M670 SECTION PHASE ALIGNMENT3-1.ARM A-LASSY, ARM B-LASSY 3-2.CAM LCDX-M620/M670 3-3.MOTOR BLOCK3-4.ALIGNMENT BETWEEN ARM A-LASSY AND ARM B-LASSY 2 motor block SWITCH board 5PTT SW1001 SW10023 arm A-Rassy 2stop ring 1.5, type-E 3-5.ARM A-RASSY, ARM B-RASSY3-6.CAM R CDX-M620/M6704-1.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• R-ch :same as L-ch 4-3.BLOCK DIAGRAM — CD SECTION —• Signal path CDX-M620/M670SECTION 4-4.BLOCK DIAGRAM — TUNER SECTION —• Signal path CDX-M620/M670TUNER 4-5.BLOCK DIAGRAM — DISPLAY SECTION —CDX-M620/M670 SECTIONMODE: FM • Waveforms — Servo Board —•Waveforms — Main Board — MODE: CD PLAYCDX-M620/M670 Location CDX-M620/M670• Semiconductor Location Ref. NoPage Page • Refer to page 37 for WaveformsCDX-M620/M670 Page• Refer to page 37 for Waveforms CDX-M620/M670IC B/D CDX-M620/M670 4-9.PRINTED WIRING BOARDS — MAIN SECTION —• Semiconductor Location Page CDX-M620/M670• Semiconductor Location no mark : FM CDX-M620/M670• Refer to page 37 for Waveforms IC B/DIC B/D IC B/D CDX-M620/M670IC B/D Page 44IC B/D CDX-M620/M670• Refer to page 37 for Waveforms IC B/DIC B/D CDX-M620/M670• Refer to page 37 for Waveforms Page Page 46 PageCDX-M620/M670 4-14.PRINTED WIRING BOARD — SUB CD SECTION —IC B/D CDX-M620/M670CDX-M620/M670 4-16.PRINTED WIRING BOARD — KEY SECTION —• Semiconductor Location CDX-M620/M670 4-17.SCHEMATIC DIAGRAM — KEY SECTION —Page Page 47 CDX-M620/M670 4-18.PRINTED WIRING BOARD — DISPLAY SECTION —• Semiconductor Location Page 51 CDX-M620/M670IC B/D IC306 TC7660SE0A713 • IC BLOCK DIAGRAMSIC1 CXA2596M IC7 LA6576L-TE-LIC62, 901 RRX9000-0601 IC305 TDA7406TRCDX-M620/M670 MG-383Z-121//K SECTION EXPLODED VIEWS5-1.CHASSIS SECTION CDX-M620/M670CDX-M620/M670 5-2.CAM SECTION64 #2 52 66102 101 5-3.MAIN BOARD SECTIONCDX-M620/M670 156 158 155 154 5-4.FRONT PANEL KEY ASSY SECTION178 175 176 177CDX-M620/M670 5-5.FRONT PANEL DSPL ASSY SECTION 212 211 213 210207 206 209 205 208 207 215 204267 258 5-6.CD MECHANISM SECTION 1 MG-383Z-121//K253 257 259 251 266 265 264 256 264 255312 313 5-7.CD MECHANISM SECTION 2 MG-383Z-121//K 304 301306 307 307 308355 361 5-8.CD MECHANISM SECTION 3 MG-383Z-121//K 351359 356 360 354CDX-M620/M670 ELECTRICAL PARTS LISTSECTION DISPLAYCDX-M620/M670 DISPLAY DISC IN SW KEY CDX-M620/M670 KEY LIMIT SW CDX-M620/M670 MAINCDX-M620/M670 MAIN MAIN CDX-M620/M670Ref. No Ref. No CDX-M620/M670 MAINMAIN CDX-M620/M670Ref. No Part No CDX-M620/M670 MAINMAIN CDX-M620/M670Part No CDX-M620/M670 MAIN SERVO CDX-M620/M670 SERVO Replace only with part number specified CDX-M620/M670 SERVO SUB CDCDX-M620/M670 413414Ref. No 2001. CDX-M620/M670 REVISION HISTORYDate Description of Revision