Sony Ericsson CDX-M620 Section Disassembly, Front Panel Assy Inoperative, Front Panel Assy Normal

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CDX-M620/M670

SECTION 2

DISASSEMBLY

Note : This set can be disassemble according to the following sequence.

Front Panel Assy (Normal)	CD Mechanism Block, Front Panel (KEY) Assy
Front Panel Assy (Inoperative)

2-2. FRONT PANEL ASSY (INOPERATIVE)

Sub Panel (CD) Sub Assy Motor Block Assy, Cam (R) Assy Main Board Heat Sink

Chassis (T) Sub Assy	Lever Section
	Servo Board	Shaft Roller Assy	Floating Block Assy
Optical Pick-up Block

Note : Follow the disassembly procedure in the numerical order given.

4 screw (panel)

1

2front panel (DSPL) assy

5

flexible board	3 screw (panel)

6front panel (key) assy (Take care not to pull the flexible board excessively)

2-1. FRONT PANEL ASSY (NORMAL)

1Turn on the power and open the front panel.

5 screw (panel)

2

3front panel (DSPL) assy

stand

4 screw (panel)

flexible board

6front panel (key) assy (Take care not to pull the flexible board excessively)

2-3. CD MECHANISM BLOCK, FRONT PANEL (KEY) ASSY

7 bracket (CD)

5CD mechanism block

3PTT 2.6x4

1 PTT 2.6x6

4 CN401

qa front panel (key) assy

6PTT 2.6x6

8 tension spring (flexible)

0cover (flexible)

9 slider (flexible)

qa CN604

slider (flexible)

flexible board

Note: When installing

the flexible board,

2 PTT 2.6x4 make the board slack as illustrated.

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Contents Specifications CDX-M620/M670US model Service NotesAEP/UK model Table of Contents DisassemblyPhase Alignment DiagramsSection General US Model AEP, UK, E ModelUS, AEP, UK, E Model US Model AEP, UK, E Model CDX-M620/M670 CDX-M620/M670 US, AEP, UK, E Model CDX-M620/M670 Connection CDX-M620/M670 AEP, UK, E Model Connection CDX-M620/M670 Section Disassembly Front Panel Assy InoperativeFront Panel Assy Normal CD Mechanism BLOCK, Front Panel KEY AssySUB Panel CD SUB Assy Motor Block ASSY, CAM R AssyMain Board Heat SinkChassis T SUB Assy Lever SectionServo Board Shaft Roller AssyFloating Block Assy Optical PICK-UP BlockARM A-L ASSY, ARM B-L Assy Section Phase AlignmentCAM L Motor Block Alignment Between ARM A-L Assy and ARM B-L AssyARM A-R ASSY, ARM B-R Assy CAM RSection Diagrams IC PIN DescriptionsRfdc IC5 CXP84640-072Q CD System Control Servo Board Self SW SYS RST Open KEY 4V SEL IC702 HD643255A36F SUB System Control Main Board Circuit Boards Location Block Diagram CD Section Ch same as L-chBlock Diagram Tuner Section Display SectionBlock Diagram Display Section Waveforms Servo Board Waveforms Main BoardPrinted Wiring Boards CD Mechanism Section IC1 IC5 IC7 IC B/D IC B/D Printed Wiring Boards Main Section CDX-M620/M670 IC B/D IC B/D CDX-M620/M670 CDX-M620/M670 Printed Wiring Board SUB CD Section CDX-M620/M670 Printed Wiring Board KEY Section LED5 LED14 LED6 LED15 LED7 LED16Schematic Diagram KEY Section Printed Wiring Board Display Section IC B/D IC Block Diagrams IC102 RN5VD53AA-TLIC305 TDA7406TR IC62, 901 RRX9000-0601Section Exploded Views Chassis SectionCover SUB CD BoardCAM Section 64 #2Main Board Section 113108 114 107 112 110 115 109 111 104 106 105 107Front Panel KEY Assy Section 171 172 173 170 174 169168 166 164 165 167 163 162 159 161 160Front Panel Dspl Assy Section CD Mechanism MG-383Z-121//K 254 253 257 259 251 266 265 264 256 255 263261 260 267 258 262312 313 305303 311 309 302 CD Mechanism MG-383Z-121//K 304 301 306 307 308 310 314309 A-3307-422-A Chassis M Complete Assy CD Mechanism MG-383Z-121//K 351 357 352 359 356358 353 360 354 355 361Section Electrical Parts ListDisplay Display Disc in SW KEY KEY Limit SW Main Main BOARD, Complete AEP,UK,EBuzzer ElectRef. No Description Remark C306 162-965-11 PIN, Connector 16P PLUG, Connector BUS ControlPIN, Connector 6P CONNECTOR, Flexible 11PCOIL, Choke InductorTransistor KRC103S Transistor KRA103SEXCEPTM670US Short Description Remark R389 216-829-11 Main Servo THERMISTOR, PositiveTHERMISTOR, Positive Tuner Servo BOARD, Complete CapacitorServo CN3Jumper Resistor Transistor 2SB1197K-T-146-R ResistorServo SUB CD 401 402 404 403 407 408 409 405 406 410 411 412 413414 Revision History