Instruction/ maintenance manual of the product CDX-M620 Sony Ericsson
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1 V er 1.0 2001. 03 Model Name Using Similar Mechanism CDX-M700R/M750 CD Drive Mechanism T ype MG-383Z-121//K Optical Pick-up Name KSS-720A SERVICE MANUAL US Model CDX-M620/M670 AEP Model UK Model E Model CDX-M670 CDX-M620/M670 • The tuner and CD sections ha ve no adjustments.
2 optical pick-up b loc k semi-fixed resistor SERVICE NOTES SAFETY -RELA TED COMPONENT W ARNING!! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMA TIC DIAGRAMS AND IN THE P ARTS LIST ARE CRITICAL TO SAFE OPERA TION.
3 stand T ABLE OF CONTENTS 1. GENERAL ........................................................................... 4 2. DISASSEMBL Y 2-1. Front Panel Assy (Normal) ............................................... 16 2-2. Front Panel Assy (Inoperative) .
4 CDX-M620/M670 SECTION 1 GENERAL This section is extracted from instruction manual. US MODEL AEP , UK, E MODEL.
5 CDX-M620/M670 US, AEP , UK, E MODEL.
6 CDX-M620/M670 US MODEL.
7 CDX-M620/M670 AEP , UK, E MODEL.
8 CDX-M620/M670.
9 CDX-M620/M670.
10 CDX-M620/M670 US, AEP , UK, E MODEL.
11 CDX-M620/M670.
12 CDX-M620/M670 US MODEL Connection.
13 CDX-M620/M670.
14 CDX-M620/M670 AEP , UK, E MODEL Connection.
15 15 CDX-M620/M670.
16 16 CDX-M620/M670 3 screw (panel) flexib le board 5 1 6 front panel (ke y) assy (T ake care not to pull the flexib le board e xcessively) 4 screw (panel) 2 front panel (DSPL) assy 4 screw (panel) 3 front panel (DSPL) assy 2 1 T ur n on the power and open the front panel.
17 CDX-M620/M670 1 PTT 2.6x6 4 PTT 2.6x6 5 motor bloc k assy 2 cam (R) assy 3 CN602 A Note: Install the cam (R) assy wit h the cam fully rotated in the direction of the arrow A . 3 PTT 2.6x6 6 sub panel (CD) sub assy 2 PTT 2.6 x6 5 claw 1 CN603 4 claw 2-4.
18 CDX-M620/M670 5 heat sink 1 PTT 2.6x6 4 PTT 2.6x 6 3 PTT 2.6x10 2 PTT 2.6x6 4 PTT 2.6x6 ground point 3 PTT 2.6x6 ground point 1 PTT 2.6x6 5 MAIN board 2 PTT 2.
19 CDX-M620/M670 4 claws 2 DISC IN SW board 7 lever (L) 3 tension spring (LR) 6 lever (R) 5 guide (disc) 1 special screw 4 chassis (T) sub assy 3 P 2x3 2 P 2x3 1 Unsolder the lead wires.
20 CDX-M620/M670 6 special screws 7 special screws 1 CN3 3 Removal the solders. 4 P 2x3 5 loading motor assy 8 SERVO board 2 CN2 2-10. SER VO BOARD 2-1 1.
21 CDX-M620/M670 2-12. FLOA TING BLOCK ASSY 2-13. OPTICAL PICK-UP BLOCK 1 tension spring (KF1) 7 compression spring (FL) 6 floating block assy 8 compression spring (FL) 4 Fit lever (D) in the direction of the arrow. 2 damper (T) 3 damper (T) 5 Turn loading ring in the direction of the arrow.
22 CDX-M620/M670 cam (L ) arm (A-L) assy arm (B-L) assy C A B 3 stop ring 1.5, type-E hole(large) line SECTION 3 PHASE ALIGNMENT 3-1. ARM (A-L) ASSY , ARM (B-L) ASSY 3-2. CAM (L) 1 Move the arm (B-L) assy in the direction of the arrow A and the arm (A-L) assy in the direction of the arrow B fully (full open state).
23 CDX-M620/M670 3-3. MOTOR BLOCK 3-4. ALIGNMENT BETWEEN ARM (A-L) ASSY AND ARM (B-L) ASSY 1 T urn the cam (L) and position the cam so that part A does not touch the SWITCH board SW900. 1 Input 9V DC to the motor terminal until the cam (L) stops rotating.
24 CDX-M620/M670 3-6. CAM (R) 3-5. ARM (A-R) ASSY , ARM (B-R) ASSY 1 Move the arm (B-R) assy in the direction of the arrow A and the arm (A-R) assy in the direction of the arrow B fully (full open state). 2 Align the hole (large) on the cam (R) with part C and install the cam.
25 CDX-M620/M670 4-1. IC PIN DESCRIPTIONS • IC501 CXD2598Q (DIGIT AL SERVO, DIGIT AL SIGNAL PROCESSOR) (SER VO BOARD) Pin No. Pin Name I/O Pin Description 1 DVDD — Digital power supply pin 2 DVSS — Digital ground 3 SOUT O Servo brock serial data output (Not used.
26 CDX-M620/M670 Pin No. Pin Name I/O Pin Description 52 TE I T racking error signal input 53 CE I Center servo analog input 54 RFDC I RF signal input 55 ADIO O T est pin (Not used.) 56 A VSSO — Analog ground 57 IGEN I Constant current input from OP amplifier .
27 CDX-M620/M670 • IC5 CXP84640-072Q (CD SYSTEM CONTROL) (SERVO BOARD) Pin No. Pin Name I/O Pin Description 1 ITRPT — Not used in this set. 2, 3 — — Not used in this set.
28 CDX-M620/M670 Pin No. Pin Name I/O Pin Description 57 SENS I SENS signal input 58 — — Not used in this set. 59 — — Not used in this set. 60 BU.
29 CDX-M620/M670 • IC501 MB90574BPMT -G-321-BND (SYSTEM CONTROL) (MAIN BOARD) (US MODEL) • IC501 MB90574BPMT -G-322-BND (SYSTEM CONTROL) (MAIN BOARD) (AEP , UK, E MODEL) Pin No.
30 CDX-M620/M670 Pin No. Pin Name I/O Pin Description 57 DDC ON O DC/DC converter power control signal 58 CD EJECT OK O CD eject control signal 59 CD OPEN REQ I Front panel open request signal 60 (NCO) O Not used.
31 CDX-M620/M670 Pin No. Pin Name I/O Pin Description 11 2 4V SEL I 4V select control signal 11 3 (NCO) O Not used. (Open) 11 4 TUN ON O Tuner po wer control signal 11 5 LED SW1 O Illumination select control signal 1 11 6 LED SW2 O Illumination select control signal 2 11 7 (NCO) O Not used.
32 CDX-M620/M670 • IC702 HD643255A36F (SUB SYSTEM CONTROL) (MAIN BOARD) Pin No. Pin Name I/O Pin Description 1 SA CLK O Not used. (Open) 2 PG4 O Not used. (Open) 3 VSS — Ground 4 NC — Not used. (Open) 5 VCC — Power supply pin (+ 5V) 6 – 9 PC0 – PC3 O Not used.
33 33 CDX-M620/M670 tuner unit (TUX201) DISC IN SW board SWITCH board DISPLAY board KEY board SERVO board LIMIT SW board MAIN board SUB (CD) board 4-2. CIRCUIT BOARDS LOCA TION Pin No. Pin Name I/O Pin Description 83 STBY I Hardware standby signal 84 VCC — Power supply pin (+5 V) 85 XT AL — Crystal oscillator (18.
34 34 CDX-M620/M670 I-V CONV. FOCUS ERROR DIGITAL CLV SUB CODE PROCESS TRACKING ERROR LD DRIVE Q101 FOCUS COIL DRIVE RF EQ EFM DEM D/A I/F D/A CONV. RFO RFAC FE TE SE RFDC FFDR FRDR TFDR SFDR SRDR MDP.
35 35 CDX-M620/M670 AJ1 (ANTENNA) 1 10 2 AM ANT MPX SA CLK SA OUT 8 AMDET 9 RDSDET FM ANT TUNER UNIT TUX201 FM AMP Q202 NOISE CANCEL IC201 Q203 13 11 15 14 20 21 17 18 31 50 56 7 6 SYSTEM CONTROL IC50.
36 36 CDX-M620/M670 BUS SI BUS CLK BUS ON BU CHECK LINK OFF SIRCS D70 D908 S RST UNI SO BUF IC701 7 IR RECEIVE IC62 7 IR RECEIVE IC901 7 16 16 6 LCD DRIVER IC60 100 99 97 98 100 99 97 98 86 X701 18.
37 37 CDX-M620/M670 THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMA TIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) for schematic diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
38 38 CDX-M620/M670 4-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION —.
39 39 CDX-M620/M670 (Page 43) Ref. No. Location IC1 C-2 IC5 C-6 IC7 F-2 IC501 F-5 Q101 B-2 • Semiconductor Location.
40 40 CDX-M620/M670 IC B/D • Refer to page 37 for W aveforms. 4-7. SCHEMA TIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 54 for IC Block Diagrams. (Page 46) Note: • V oltage is dc with respect to ground under no-signal conditions.
41 41 CDX-M620/M670 IC B/D • Refer to page 37 for W aveforms. 4-8. SCHEMA TIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 54 for IC Block Diagrams. (Page 40) (Page 40) Note: • V oltage is dc with respect to ground under no-signal conditions.
42 42 CDX-M620/M670 4-9. PRINTED WIRING BOARDS — MAIN SECTION — (Page 50) D104 K-8 D107 E-2 D109 G-2 D202 C-13 D203 B-13 D204 G-8 D205 G-9 D302 B-7 D303 B-6 D304 B-6 D309 G-7 D31 1 C-7 D404 C-4 D4.
43 43 CDX-M620/M670 (Page 48) (Page 39) Ref. No. Location Ref. No. Location D306 B-8 D307 B-8 D308 B-8 D401 B-3 D405 C-5 D501 B-2 D101 E-3 D102 F-3 D105 D-1 D106 E-2 D301 B-7 D305 B-8 • Semiconductor Location Ref. No. Location Ref. No. Location Ref.
44 44 CDX-M620/M670 IC B/D • Refer to page 37 for W aveforms. 4-10. SCHEMA TIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 54 for IC Block Diagrams. (Page 45) Note: • V oltage is dc with respect to ground under no-signal (detuned) condition.
45 45 CDX-M620/M670 IC B/D IC B/D IC B/D 4-1 1. SCHEMA TIC DIAGRAM — MAIN SECTION (2/4) — • Refer to page 54 for IC Block Diagrams. (Page 46) Note: • V oltage is dc with respect to ground under no-signal (detuned) condition.
46 46 CDX-M620/M670 IC B/D IC B/D • Refer to page 37 for W aveforms. 4-12. SCHEMA TIC DIAGRAM — MAIN SECTION (3/4) — • Refer to page 54 for IC Block Diagrams. Note: • V oltage is dc with respect to ground under no-signal (detuned) condition.
47 47 CDX-M620/M670 IC B/D Note: • V oltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM (Page 46) (Page 51) • Refer to page 37 for W aveforms. 4-13. SCHEMA TIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 54 for IC Block Diagrams.
48 48 CDX-M620/M670 4-14. PRINTED WIRING BOARD — SUB (CD) SECTION — (Page 43) ( ) : SIDE B Ref. No. Location D901 B-10 D902 B-6 D903 B-7 D906 B-10 D907 B-6 (D908) B-13 IC901 B-13 Q901 B-9 Q902 B-9.
49 49 CDX-M620/M670 IC B/D 4-15. SCHEMA TIC DIAGRAM — SUB (CD) SECTION — • Refer to page 55 for IC Block Diagram. (Page 47) Note: • V oltage is dc with respect to ground under no-signal (detuned) condition.
50 50 CDX-M620/M670 4-16. PRINTED WIRING BOARD — KEY SECTION — (Page 42) (Page 52) LED5 B-2 LED6 B-3 LED7 C-1 LED8 C-3 LED9 C-13 LED10 C-2 LED1 1 A-3 LED12 A-2 LED13 C-13 (D7) A-8 (D8) A-9 (IC1) B-7 LED1 B-4 LED2 B-10 LED3 B-2 LED4 B-3 • Semiconductor Location Ref.
51 51 CDX-M620/M670 Note: • V oltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM 4-17. SCHEMA TIC DIAGRAM — KEY SECTION — (Page 47) (Page 53).
52 52 CDX-M620/M670 4-18. PRINTED WIRING BOARD — DISPLA Y SECTION — (IC60) B-9 (IC61) B-1 1 (IC62) A-13 LED60 A-1 LED62 A-2 LED63 A-12 LED64 B-2 LED65 B-12 (D61) A-1 1 (D62) A-2 (D63) A-2 (D64) A-3 (D65) A-3 (D66) A-3 (D67) B-10 (D68) A-12 (D70) A-13 • Semiconductor Location Ref.
53 53 CDX-M620/M670 Note: • V oltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM 4-19. SCHEMA TIC DIAGRAM — DISPLA Y SECTION — • Refer to page 55 for IC Block Diagrams.
54 54 CDX-M620/M670 1 BOOST 5 VOUT 6 LV 7 OSC 8 V+ 2 CAP+ 3 GND 4 CAP – RC OSCILLA TOR INTERNAL VOL T AGE REGULA TOR RC OSCILLA TOR LOGIC NETWORK +2 IC306 TC7660SE0A713 IC7 LA6576L-TE-L IC1 CXA2596M.
55 CDX-M620/M670 IC305 TDA7406TR 34 35 36 37 38 39 40 41 42 43 44 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 16 15 14 13 12 1 2 3 4 5 6 7 8 9 10 11 INPUT MULTIPLEXER MAIN SOURCE SELECTOR MIXING S.
56 CDX-M620/M670 3 4 1 2 9 6 7 5 8 8 A A #2 #2 CN901 #2 #2 #2 MG-383Z-121//K #1 #1 SECTION 5 EXPLODED VIEWS Ref. No. Part No. Description Remark 5-1. CHASSIS SECTION Ref. No. Part No. Description Remark The components identified by mark 0 or dotted line with mark 0 are critical for safety .
57 CDX-M620/M670 63 64 65 66 52 #2 #12 #2 #5 #5 #5 53 51 54 55 58 59 60 57 56 62 58 61 #2 #2 #2 #2 #4 #5 #5 #5 M601 5-2. CAM SECTION Ref. No. Part No. Description Remark Ref.
58 CDX-M620/M670 101 F901 TUX201 #2 #2 #2 #2 #2 #2 #2 #3 #2 #2 102 103 103 104 104 105 106 106 107 107 108 109 111 110 112 113 114 115 5-3. MAIN BOARD SECTION Ref.
59 CDX-M620/M670 151 152 153 154 155 156 157 158 159 161 160 162 LCD1 not supplied front panel (DSPL) ass y 163 164 165 166 168 167 169 170 171 173 172 174 178 175 176 177 #6 #6 (KEY board) 5-4. FRONT P ANEL (KEY) ASSY SECTION Ref. No. Part No. Description Remark Ref.
60 CDX-M620/M670 201 202 203 205 206 #7 #7 not supplied LCD60 207 207 208 209 210 211 212 213 214 204 215 (DISPLA Y board) 5-5. FRONT P ANEL (DSPL) ASSY SECTION Ref.
61 CDX-M620/M670 252 254 253 259 251 257 255 255 258 264 264 265 266 256 263 261 260 262 267 #8 #8 #9 #8 #10 M903 C C 5-6. CD MECHANISM SECTION (1) (MG-383Z-121//K) Ref.
62 CDX-M620/M670 304 301 306 307 308 310 312 311 309 302 302 302 303 313 307 D D 314 305 not supplied 5-7. CD MECHANISM SECTION (2) (MG-383Z-121//K) Ref.
63 CDX-M620/M670 M902 M901 #8 #8 #11 356 361 359 360 355 358 354 353 352 357 351 (supplied with 351) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 5-8. CD MECHANISM SECTION (3) (MG-383Z-121//K) The components identified by mark 0 or dotted line with mark 0 are critical for safety .
64 CDX-M620/M670 SECTION 6 ELECTRICAL P ARTS LIST NOTE: • Due to standardization, replacements in the parts list may be dif ferent from the parts specified in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may hav e some dif ference from the original one.
65 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark KEY DISPLA Y DISC IN SW R72 1-216-811-11 MET AL CHIP 150 5% 1/16W R73 1-216-805-11 MET AL CHIP 47 5% 1/16W R74 1-216-864-11 SHORT 0 R76 1-216-841-11 MET AL CHIP 47K 5% 1/16W R77 1-216-825-11 MET AL CHIP 2.
66 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark KEY LIMIT SW LSW15 1-771-476-11 SWITCH, KEYBOARD (WITH LED) (T A) (AEP ,UK,E) LSW18 1-771-883-11 SWITCH, T AC.
67 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN * A-3283-172-A MAIN BOARD, COMPLETE (M670:US) * A-3283-173-A MAIN BOARD, COMPLETE (M620) * A-3283-174-A .
68 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN C306 1-162-965-11 CERAMIC CHIP 0.0015uF 10% 50V C307 1-162-965-11 CERAMIC CHIP 0.0015uF 10% 50V C308 1-162-927-11 CERAMIC CHIP 100PF 5% 50V C309 1-125-837-11 CERAMIC CHIP 1uF 10% 6.
69 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN C407 1-126-572-11 ELECT 4.7uF 20% 35V C451 1-124-234-00 ELECT 22uF 20% 16V C452 1-124-234-00 ELECT 22uF 20% 16V C454 1-128-057-11 ELECT 330uF 20% 6.3V C455 1-124-234-00 ELECT 22uF 20% 16V C456 1-162-974-11 CERAMIC CHIP 0.
70 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN D602 8-719-017-95 DIODE MA8180-TX D603 8-719-422-64 DIODE MA8062-M D604 8-719-017-95 DIODE MA8180-TX D60.
71 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN Q401 8-729-049-13 TRANSISTOR UPA1853GR-9JG-E1 Q402 8-729-038-68 TRANSISTOR KRC103S Q404 8-729-038-68 TRA.
72 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN R314 1-216-813-11 METAL CHIP 220 5% 1/16W (M670:US) R316 1-216-833-11 METAL CHIP 10K 5% 1/16W R317 1-216.
73 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN R389 1-216-829-11 METAL CHIP 4.7K 5% 1/16W (M670:US) R389 1-216-864-11 SHORT 0 (EXCEPT M670:US) R390 1-2.
74 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R655 1-216-837-11 METAL CHIP 22K 5% 1/16W R656 1-216-304-11 METAL CHIP 3.3 5% 1/10W R657 1-216-839-11 METAL CHIP 33K 5% 1/16W R658 1-216-304-11 METAL CHIP 3.3 5% 1/10W R659 1-216-304-11 METAL CHIP 3.
75 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark SERVO C508 1-164-230-11 CERAMIC CHIP 220PF 5% 50V C509 1-164-360-11 CERAMIC CHIP 0.
76 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark SUB (CD) SERVO SW The components identified by mark 0 or dotted line with mark 0 are critical for safety .
77 CDX-M620/M670 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ACCESSORIES & P ACKING MA TERIALS ******************************** 1-476-546-11 REMOTE COMMANDER (RM-X111.
78 CDX-M620/M670 REVISION HIST OR Y Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. V er . Date Description of Revision 1.0 2001.
An important point after buying a device Sony Ericsson CDX-M620 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sony Ericsson CDX-M620 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sony Ericsson CDX-M620 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sony Ericsson CDX-M620 you will learn all the available features of the product, as well as information on its operation. The information that you get Sony Ericsson CDX-M620 will certainly help you make a decision on the purchase.
If you already are a holder of Sony Ericsson CDX-M620, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sony Ericsson CDX-M620.
However, one of the most important roles played by the user manual is to help in solving problems with Sony Ericsson CDX-M620. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sony Ericsson CDX-M620 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
