- 7 -
BLOCK DIAGRAM
U401 M38223E4HP4
SYSTEM CONTROL CPU
& LCD DISPLAY DRIVER
Q401- Q405
MUTE CIRCUIT
Q301-Q304
MUTE
M317
RCA
JACK
U302
PMC1710
M318
RCA JACK
DIGITAL
OUTPUT
M501*
LCD DISPLAY
8
7
27
22
2
1
3
51
78
35
1
2
16
13
3
61
62
63
51
43
39
40
46
45
38
24
12
9
2
4
3
6
60
L
R
L
R
CD AUDIO
O/P
12
15
28
16
18
6
1
U301
CXD3017Q
DIGITAL
SIGNAL
PROCESSOR
26
1
27
2
12
16
13
17
U101 CXA2581
ANALOG SIGNAL
PROCESSOR/SERVO
RFAC
RFDC
FE
SE
Q104~Q107
MOTOR DRIVER
U201 BA6392
FOCUS &
TRACKING
MOTOR
DRIVER
LOADING
MOTOR
LOADING MOTOR
LIMIT SWITCH
SPINDLE
MOTOR
SLED
MOTOR
PU-IN
LIMIT SWITCH
PICK
UP
DISC
M113
REMOTE
SENSOR
CD MECHANISM UNIT
POWER
TRANSFORMER
AC POWER I / P
KEYBOARD
M110
M109
REPEAT
M105
M108
M107
RANDOM
M102
M106
M104
M103
TIME
M101
Q101
DAC
U306
U305
11
U501,U507
DIGITAL
POWER
U502-3,U506
ANALOGUE
POWER
+8V
+5V
+12V
5V
-12V
D514-D517
RECTIFIER
DIODES
D501-D504
RECTIFIER
DIODES
D506
RECTIFIER
DIODES
U504
POWER FOR
EL LIGHT
M502
EL LIGHT
Q307,
Q309
Q312,
Q313
RL101
RELAY
U403
74HC00
NAND GATE
M303
EMC FILTER
L301
DIGITAL COIL
M500
1
Содержание C 521BEE
Страница 1: ...NAD C 521BEE COMPACT DISC PLAYER C 521BEE COMPACT DISC PLAYER SERVICE MANUAL...
Страница 12: ...12 PCB LAYOUT DISPLAY BOARD KEY BOARD LIVE BOARD LED BOARD...
Страница 13: ...13 MAIN BOARD...
Страница 30: ...30 EXPLODED VIEW M501...
Страница 34: ...SERVICE MANUAL NAD 2003 C 521BEE COMPACT DISC PLAYER NAD ELECTRONICS INTERNATIONAL TORONTO...