Power amplifier section
SPECIFICATIONS
SERVICE MANUAL
AUDIO POWER SPECIFICATIONS US MODEL
AEP/UK model
SERVICE NOTES
CDX-M620/M670
US model
4. DIAGRAMS
TABLE OF CONTENTS
2. DISASSEMBLY
3. PHASE ALIGNMENT
CDX-M620/M670 SECTION GENERAL
US MODEL AEP, UK, E MODEL
This section is extracted from instruction manual
CDX-M620/M670
US, AEP, UK, E MODEL
CDX-M620/M670
US MODEL
CDX-M620/M670
AEP, UK, E MODEL
CDX-M620/M670
CDX-M620/M670
US, AEP, UK, E MODEL
CDX-M620/M670
CDX-M620/M670
CDX-M620/M670
US MODEL Connection
CDX-M620/M670
CDX-M620/M670
AEP, UK, E MODEL Connection
CDX-M620/M670
2-3.CD MECHANISM BLOCK, FRONT PANEL KEY ASSY
CDX-M620/M670 SECTION DISASSEMBLY
2-2.FRONT PANEL ASSY INOPERATIVE
2-1.FRONT PANEL ASSY NORMAL
1CN603 4 claw 3PTT 5 claw 2 PTT 2.6
2-4.SUB PANEL CD SUB ASSY
2-5.MOTOR BLOCK ASSY, CAM R ASSY
CDX-M620/M670
5 MAIN board 3PTT 2.6x6 ground point
2-6.MAIN BOARD
2-7.HEAT SINK
CDX-M620/M670
CDX-M620/M670
2-8.CHASSIS T SUB ASSY
2-9.LEVER SECTION
lead wires
Fig.
2-10.SERVO BOARD
2-11.SHAFT ROLLER ASSY
CDX-M620/M670
7 compression spring FL 1 tension spring KF1
2-12.FLOATING BLOCK ASSY
2-13.OPTICAL PICK-UPBLOCK
CDX-M620/M670
3arm A-Lassy 4 stop ring 1.5, type-E
CDX-M620/M670 SECTION PHASE ALIGNMENT
3-1.ARM A-LASSY, ARM B-LASSY
3-2.CAM L
CDX-M620/M670
3-3.MOTOR BLOCK
3-4.ALIGNMENT BETWEEN ARM A-LASSY AND ARM B-LASSY
2 motor block SWITCH board 5PTT SW1001 SW1002
3 arm A-Rassy 2stop ring 1.5, type-E
3-5.ARM A-RASSY, ARM B-RASSY
3-6.CAM R
CDX-M620/M670
4-1.IC PIN DESCRIPTIONS
CDX-M620/M670 SECTION DIAGRAMS
CDX-M620/M670
Tracking error signal input
• IC5 CXP84640-072QCD SYSTEM CONTROL SERVO BOARD
CDX-M620/M670
SENS
CDX-M620/M670
Not used. Open
CDX-M620/M670
CDX-M620/M670
DC/DC converter power control signal
4V SEL
CDX-M620/M670
SA CLK
CDX-M620/M670
CDX-M620/M670
4-2.CIRCUIT BOARDS LOCATION
• R-ch :same as L-ch
4-3.BLOCK DIAGRAM — CD SECTION —
• Signal path
CDX-M620/M670
SECTION
4-4.BLOCK DIAGRAM — TUNER SECTION —
• Signal path
CDX-M620/M670
TUNER
4-5.BLOCK DIAGRAM — DISPLAY SECTION —
CDX-M620/M670
SECTION
MODE: FM
• Waveforms — Servo Board —
•Waveforms — Main Board —
MODE: CD PLAY
CDX-M620/M670
Location
CDX-M620/M670
• Semiconductor Location
Ref. No
Page Page
• Refer to page 37 for Waveforms
CDX-M620/M670
Page
CDX-M620/M670
• Refer to page 37 for Waveforms
IC B/D
4-9.PRINTED WIRING BOARDS — MAIN SECTION —
CDX-M620/M670
• Semiconductor Location
CDX-M620/M670
Page
• Semiconductor Location
no mark : FM
CDX-M620/M670
• Refer to page 37 for Waveforms
IC B/D
IC B/D IC B/D
CDX-M620/M670
IC B/D
Page 44
IC B/D
CDX-M620/M670
• Refer to page 37 for Waveforms
IC B/D
IC B/D
CDX-M620/M670
• Refer to page 37 for Waveforms
Page Page 46 Page
CDX-M620/M670
4-14.PRINTED WIRING BOARD — SUB CD SECTION —
IC B/D
CDX-M620/M670
4-16.PRINTED WIRING BOARD — KEY SECTION —
CDX-M620/M670
• Semiconductor Location
4-17.SCHEMATIC DIAGRAM — KEY SECTION —
CDX-M620/M670
Page Page 47
4-18.PRINTED WIRING BOARD — DISPLAY SECTION —
CDX-M620/M670
• Semiconductor Location
CDX-M620/M670
Page 51
IC B/D
IC306 TC7660SE0A713
• IC BLOCK DIAGRAMS
IC1 CXA2596M
IC7 LA6576L-TE-L
IC305 TDA7406TR
IC62, 901 RRX9000-0601
CDX-M620/M670
MG-383Z-121//K
SECTION EXPLODED VIEWS
5-1.CHASSIS SECTION
CDX-M620/M670
CDX-M620/M670
5-2.CAM SECTION
64 #2
52 66
5-3.MAIN BOARD SECTION
102 101
CDX-M620/M670
156 158 155 154
5-4.FRONT PANEL KEY ASSY SECTION
178 175
176 177
CDX-M620/M670
5-5.FRONT PANEL DSPL ASSY SECTION 212 211 213 210
207 206 209 205
208 207 215 204
267 258
5-6.CD MECHANISM SECTION 1 MG-383Z-121//K
253 257
259 251 266 265 264 256 264 255
312 313
5-7.CD MECHANISM SECTION 2 MG-383Z-121//K 304 301
306 307
307 308
355 361
5-8.CD MECHANISM SECTION 3 MG-383Z-121//K 351
359 356
360 354
CDX-M620/M670
ELECTRICAL PARTS LIST
SECTION
DISPLAY
CDX-M620/M670 DISPLAY DISC IN SW KEY
CDX-M620/M670 KEY LIMIT SW
CDX-M620/M670
MAIN
CDX-M620/M670 MAIN
CDX-M620/M670
MAIN
Ref. No
Ref. No
CDX-M620/M670 MAIN
CDX-M620/M670
MAIN
Ref. No
Part No
CDX-M620/M670 MAIN
CDX-M620/M670
MAIN
Part No
CDX-M620/M670 MAIN SERVO
CDX-M620/M670 SERVO
Replace only with part number specified
CDX-M620/M670 SERVO SUB CD
413414
CDX-M620/M670
Ref. No
2001.
CDX-M620/M670 REVISION HISTORY
Date
Description of Revision