15
16
SCHEMATIC DIAGRAM
D+5V
RX
DGND
HDCD
D+5V
RX
DGND
DGND
HDCD
HDCD
HDCD
HDCD
0V
0V
0V
2.4V
1.6V
0V
0V
0V
4.9V
0V
4.8V
*0V
4.8V
*1.2V
4.9V
*0V
5V
0V
4.3V
2.2V
5V
0V
0V
0V
5V
5V
2.4V
0V
1.1V
*2.7V
1.2V
*2.7V
*7.4V
7.8V
2.5V
2.5V
2.5V
3.4V
3.4V
0V
0V
0V
3.5V
3.5V
2.5V
2.5V
4.8V
4.9V
*7.4V 7.8V
*5V 0V
2.4V
2.5V
*3.3V
3.5V
*2.9V 3.5V
0V
0V
0V
3.4V
3.4V
2.5V
2.5V
5V
*7.4V 7.8V
0V
0V
5V
5V
5V
5V
4.9V
4.9V
4.9V
4.9V
0V
4.8V
2.6V
2.4V
∆
4.9V #0V
#4.9V
∆
0V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2V
3.7V
0V
0V
0V
0V
0V
0V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
5V
0V
3.3V
1.6V
0V
4.7V
4.8V
0V
0V
0V
0V *1.8V
5V
5V
0V
4.9V
4.9V
5V
2.3V
2.2V
0V
0V
2.4V
2.3V
4.9V
4.9V
4.9V
0V
0V
2.4V
2.4V
3V *1.6V
0V *1.8V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
2.4V
2.4V
5V
0V
0V
*1.4V
4.6V
0V
1.7V
5V
1.5V
*0.3V 0V
2.3V
2.5V
2.5V
0V
*0.4V 0V
0V
0V
0V
0V
0V
0V
4.9V
4.9V
2.3V
0.2V
*0V 4.9V
0V
0.7V
0.5V
0V
0V
7.8V
7.8V
0.7V
0.5V
∆
0.06V #4.2V
*1.2V 3V
2.4V
2.4V
2.1V
2.3V
2.3V
0V
0V
2.4V
2.5V
0V
5V
5V
0V
5V
0V
4.9V
0V
2.3V
0V
0V
2.4V
2.5V
5V
5V
5V
HDCD
R428
560R
DGND
RESISTORS:
M- METAL FILM
F- FUSIBLE
CARBON FILM UNLESS OTHERWISE SPECIFIED.
NOTE:
1. RESISTORS, UNLESS OTHERWISE SPECIFIED, ARE 1/8W.
2. ALL CERAMIC CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V 10%.
3. COMPONENTS MARKED “
” ARE SAFETY CRITICAL PARTS.
4. VOLTAGE SPECIFIED ON THE IC’S PIN WHICH DOES NOT HAS MARKING IS IN STOP MODE,
MARKED WITH “*” IS PLAY MODE, “#” IS TRAY OPEN MODE AND “
∆
“ IS TRAY CLOSE MODE.
Содержание C541
Страница 1: ...NAD SERVICE MANUAL C 541 COMPACT DISC PLAYER C 541COMPACT DISC PLAYER ...
Страница 12: ...12 PCB LAYOUT LIVE BOARD KEY BOARD DISPLAY BOARD ...
Страница 13: ...14 13 MAIN BOARD ...
Страница 25: ...27 MECHANISM EXPLODED VIEW CD11CA ...
Страница 27: ...29 EXPLODED VIEW OF LASER CD11CA G ...
Страница 32: ...SERVICE MANUAL NAD 2001 C 541 COMPACT DISC PLAYER NAD ELECTRONICS INTERNATIONAL TORONTO ...