NAD T512C, Service Manual

Page: 23 / 65

3-12
BLOCK DIAGRAMS
1. Overall Block Diagram
M
M
DI
S
C
SPIN
D
LE
MOT
O
R
LO
A
D
IN
G
MOT
O
R
DECK M ECHANI SM
CD
: A
,B
,
E
, F
DVD:
A,
B
,C
,D,
DVD;
R
F
PIC
K
UP
IC
203
S
DRA
M
16bi
t
16M
IC
201
HDC
25D811
CD / DV
D DSP
IC
50
1
PANTERA
LE / PLUS
IC
901
G
M
S
1
C
201
2
FROM
FL D
IS
P
LA
Y
KE
Y
I
n
p
u
t
REM
OCON
REC
EI
V
E
R
6M
H
z
X-
T
A
L
Pb
IC
301
X
C
9572V
L
CPLD
I/O
P
O
RT 7
2
IC3
0
4
SDRAM
16
/3
2BI
T
64
M
IC
502
93C
56
EEP
RO
M
IC2
M
1
KA
3032
MO
T
O
R
DRI
VER
IC2
A
1
HD
15
370
2T
F
RF
IC
DAT
A
[00
:15
]
IC
ADD
[0:
8
]
LOADING
FOCUS,TRACKI NG,SLED
SPINDLE
MIRR,TZC,PI,TE
FE,DFECT_IN
RFO
SC
L
K
,S
DAT
A
;
SC
OR
,S
QC
K,
SQSO
XL AT , E_STI , E_ENB , E_DR
R
F
_
X
LA
T
,
LD
O
N
IC
401/
451
C
S
4391
PC
M
160
3KY
XI
O1
,X
IO
,X
IO
1
0
/S
R
S
T
F_
C
L
K
F_
O
UT
PC
MC
L
K
AL
E
SPI
NDL
E
_
FG
MSDAT
O
MDP1
FOK
DE
F
E
C
T
DSP_
SE
NS
E
LO
C
K
E_
S
O
U
T
ZI
S
E
N
B
/X
R
S
T
DAC_RST
16 : 9 , PAL_SW , AUTO_SW , MIC_ON
Y_
SE
L
/A
_M
U
T
E
/DAC
_
C
S1
/DAC
_
C
S2
V_
M
U
T
E
DAC
_
C
L
K
DAC
_
O
U
T
A
D
CCL
K
AC
T
_
MU
T
E
, L
OAD_
OPE
N
, L
OAD_
C
L
OSE
M
IRR
AD[ 04 : 21 ]
PSENB
FLD
/F
L
D
_CS
FL
D_
C
L
K
FL
D_
OU
T
/F
L
D
_CS
FL
D_
C
L
K
FL
D_
OU
T
CPLD
EE
_
C
S
, EE
_
C
LK
,
EE
_
O
U
T
F_
IN
IC
3F
1
FLA
S
H
ROM
F_
IN
/M
R
E
S
E
T
/FLASH_CS , /RD
PWEO
LA
0
LA
1
LA
2
LA
3
L
ADD
[04:
19]
M
D
[00:
31]
MC
L
K
2
CK
E
M
A
[00:
10]
M
A
12,
13
/C
S
0
/R
A
S
/C
A
S
/W
E
DQM0
‘3
RE
Q
P
SDC
L
KI
, PSYNC
DVD[
1
:7
]
DSP_
IN
T
SE
NS
E
/DSP_
CS
F_
IN
DA_
AI
N
SPDI
F
AC
L
K
LR
C
K
A
O
U
T
0~
3
AM
P
L/
R
RR RL
Compos ite
FIL
TER
Y
Pr
SW602
S
.OUT /
CO
M
P
.O
UT
SWI
CH
IN
G
FR FL
WO
O
F
ER
CE
N
T
E
R
VI
DE
O SW
C
V
BS
/P
r/
R ,
C
/P
b
/
, Y
/G
CV
B
S
Y C
L/
R
RR RL
FR FL
W
OOFE
R
CE
N
T
E
R
-V
F
AC 120V,
60Hz
POWER
BOARD
-V
F
-24V
A
+8
V
+5
.2
V
A
+5
V
_
D
+5
V
_
A
+
12V
A
+3
.3
V
_
M
1
AD
[0
:7
]
L
ADD4
~
5
, L
A
0
~
3
AD[
00 : 15 ]
MDP,
FDO,
T
DO,
FMO,
MON
O
P
E
N
_S
W
CL
O
S
E
_
S
W
LI
M
IT_
S
W
CPLD
SBADD ,
27M
H
z
X
-TA
L
33.
868
8M
H
z
X-
T
A
L
+
3
.3
V
/3
.3V
_M
POW
E
R
_
C
T
L
MI
C
IC
206
INVE
R
TER
DV5000’s