6
MGR517
250
kHz
8
4
×
2
×
1
×
TZA1024
14
3
7
10
1
12
9
V/I
V/I
VDD(L)
VDD
VDD
GND
2
6
VGAP
MON
4
(1)
DIN
5
CDRW
11
VDD
13
LD
CFIL
PWRON
RGADJ
CMFB
RFFB
RFEQO
EQSEL
U2 TZA1024 (OPTICAL SYSTEM)
IC BLOCK DIAGRAM & DESCRIPTION
Symbol
Description
PWRON
power-on select input
LD
current output to laser diode
VDD(L)
laser supply voltage
CFIL
external filter capacitor
MON
laser monitor diode input
DIN
central diode input
GND
ground
Pin
1
2
3
4
5
6
7
Symbol
Description
CMFB
common mode feedback voltage input
RFFB
external RF feedback resistor
Pin
8
9
RFEQO
10
RF amplifier output
CDRW
11
gain select input for CD-A/V, CD-R/W
EQSEL
12
equalizer/speed select input (n=1,2 or 4)
V
DD
13
supply voltage
RGADJ
14
external laser supply gain adjust resistor
Summary of Contents for VCD-X220
Page 2: ...18 19 17 16 S02 S01 10 9 8 4 3 1 2 5 6 7 12 13 14 15 11 1 EXPLODED VIEW ...
Page 12: ...11 WIRING CONNECTION MAIN PCB KEY PCB CD MECHANISM LCD DISPLAY DESCRIPTION ...
Page 14: ...13 SCHEMATIC DIAGRAM MAIN PCB 1 2 ...
Page 15: ...14 SCHEMATIC DIAGRAM MAIN PCB 1 2 TO KEY PCB ...
Page 16: ...15 SCHEMATIC DIAGRAM MAIN PCB 2 2 ...
Page 17: ...16 SCHEMATIC DIAGRAM MAIN PCB 2 2 ...
Page 18: ...17 CN901 SCHEMATIC DIAGRAM KEY PCB ...
Page 19: ...18 SW2 J2 J3 WIRING DIAGRAM MAIN PCB TOP VIEW ...
Page 20: ...19 WIRING DIAGRAM MAIN PCB BOTTOM VIEW ...
Page 21: ...20 WIRING DIAGRAM KEY PCB TOP VIEW BOTTOM VIEW ...
Page 22: ...SANYO Electric Co Ltd Osaka Japan Mar 03 Printed in China ...