NAD C 521BEE, Service Manual

Page: 19 / 34

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MAIN BOARD
U301: CXD3017Q
Clock
Generator
EFM
demodurator
Error
Corrector
16K
RAM
Digital
OUT
D/A
Interface
Serial-In
Interface
Over sampling
Digital Filter
PWM PWM
Timing
Logic
3rd-Order
Noise Shaper
Sub Code
Processor
Servo
Auto
Sequencer
SERVO
Interface
Servo Block
DAC Block
Signal Processor Block
MIRR
DFCT
FOK
FOCUS SERVO
TRACKING
SERVO
SLED SERVO
SERVO DSP
FOCUS PWM
GENERATOR
TRACKING PWM
GENERATOR
SLED PWM
GENERATOR
PWM GENERATOR
OPAmp
Analog SW
A/D
Converter
Asymmtery
Corrector
Digital
PLL
Digital
CLV
CPU
Interface
XTSL XUGF GFS EMPH WFCK C2PO LRCK PCMD BCK SYSM
TES1
TEST
XRST
RMUT
LMUT
XTAI
XTAO
AOUT1
AIN1
LOUT1
AOUT2
AIN2
LOUT2
SCLK
COUT
SSTP
ATSK
MIRR
DFCT
FOK
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
ADIO
IGEN
VC
FE
SE
TE
CE
RFDC
SQCK
SQSO
SCOR
XLON
SPOB
SPOA
CLOK
XLAT
DATA
SENS
LOCK
MDP
CLTV
PCO
FILI
FILO
XPCK
BIAS
ASYO
ASYI
RFAC
DOUT
+
-
+
-
+
-
+
-
51
49
48
50
17
54
55
56
53
26
25
8
5
6
7
12
13
14
20
1
2
43
42
41
40
39
38
46
29
28
31
30
33
32
24
23
22
11
27
21
9
60
75
76
77
72
71
70
67
66
80
79
3
35
36
4
63 62 61 19 15 64 18 16 37
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