NAD T517AHT, Service Manual

Page: 42 / 78

3-29
BLOCK DIAGRAMS
1. OVERALL BLOCK DIAGRAM
IC601
MT1389S
M
M
DISC
SP
INDLE
MOT
O
R
LO
A
D
ING
MOT
OR
DECK ME CHA NIS M
D
V
D :
A,
B,
C,D,RF
CD :
A,
B,C,
D,
E,F,RF
PIC
K
UP
IC6
0
4
FL
A
S
H R
O
M
(1
6M)
MEMAD D[0:19]
MEMRD
MEMW R
ROMDAT [00:15]
R
IC
60
5
A
T
24C08A
EEP
ROM
LOAD[+,-]
FOCUS[+,-]
TR AC K[+,-]
SP [+,-]
SLED
(FEEDING)
MOT
OR
SLE D[+,-] M
3.3V
A
3.3V
A
3.3V
A
SPDIF
CDLD,D
V
DLD,
V
C
20
COA
X
IA
L
5.6V
A
(M
)
TRIN, T
R
OU
T
ROMDAT A[0:15]
I2CD
AT
IC6
0
3
64
M
bi
t
SDR
A
M
3.3V
RO
MAD
D[0:11]
RA
M
C
A
S
RA
M
R
A
S
RA
M
C
S
1
RA
M
C
S
0
RA
MBA
RA
M
W
E
RA
M
C
K
E
PC
LK
I2CCL
K
F
M
SO
, DMSO
,T
RSO
,F
O
SO
OP
(+
,-
)
IC2
0
1
A
M
5890S(5
C
h
)
Motor Dri
v
e
S
T
BY
, T
R
OP
EN
,
T
R
C
L
OSE
Pick-up
5V
3.3V
A
IR RCV
POW
ER
BOARD
P
W
R_C
TL_H
5.6V
A(
M)
+12V
FP DATA
FP STB
FP CLK
A
C
90V~240V
50H
Z/60H
z
RESET Circ
uit
RESE
T
1.8V
A
ToT
o
F F
roro
n
t IC
IC
IRIR
ReceR
e
c
e
iveiv
e
r
27
M
H
z
L
12V
IC
70
2
M
C
4
580
OP-
A
M
P
1.8V
A
MDI
AP
W
M
_
L
+
/=
RF+DSP+5.1ch+HDMI Tx
+ MPEG IC
IC201IC
2
0
1
AP
W
M
_
R
+
/=
DP11D
P
1
1
3.3V
Voltage
de
te
ction
HDMIH
D
M
I
JAJ
A
CKC
K
H.H
.P.P
.D
TX[T
X
[0
-2-2
]
TXC T
X
C
±
±
USB,Karao
ke
JA
CK
USBP ,US BN
30
M
H
z
IC
60
7
C
S63
40
AD
C
IC
60
4
KA
741
OP-
A
M
P
ACLK
AB
CK
AL
R
C
K
AD
C_
RS
T
AD
C_
DA
T
A
OP
T
ICA
L
CVBS
S-Video YC
S
-VIDEO OPTIO
N
5V
R/Pr
G/Y
B/Pb
RCG_SEL
sc
a
rt
(1
6
:9
)
IC701
VIDE
O
BU
FFER
5V