NAD T747 - SCHEMATIC DIAGRAM

SCHEMATIC DIAGRAM (FRONT PART)
3-41 3-42
TO POWER TRANS.
FROM MCU & DSP PCB
VFD_CS
VFD_CLK
VFD_DATA
AC 5.8V
AC 5.8V
40V
VFD_DATA
VFD_CLK
VFD_CS
VFD_RST
POWER_H
KEY_ 1
KEY_ 2
REMOTE_IN
HPR OUT
HPL OUT
TO VIDEO ASS'Y
TO INPUT ASS'Y
C_IN
Y_IN
FRONT_CVBS
FRONT _SC
FRONT _SY
FRONT RCH
FRONT LCH
PHONES & OPTICAL PCB
KEY_ 1
KEY_ 2
VOL_B
VOL_A
L
R
GAME
CVBS
S-VIDEO
GND
OPTICAL IN
PHONES OUT
FROM AMP PCB
VFD_RST
VFD PCB
GND
D+5V
ST+5V
GND GND
AC XXV
ST+5V
ST+5V
+5V
+5V
+5V
GND
HIGH : BLUE ON
LOW : ORG ON
-7V
+7V
OP
T_IN
CUP12126-1
CUP12126-4
CUP12126-5
CUP12126-6
CUP12126-7
D+5V
OPT_IN
DGND
MIC_IN
MIC_ON
D+5V
DGND
MIC_IN
MIC_ON
BN507 & CN507
R5157 : 10k ==> 27k
R5160 : 10k ==> 27k
40dB ==> 58dB
R5028
1K
R5029
1K
R5030
1K
2
13
46
57
810
911
12 14
13 15
16
17
18
19
20
21
CN501
C5036
10/16V
C5041 0.1
R5041
47
C5042
1000P
C5043 1000P
C5044 1000P
C5037
10/16V
R5035
4.7
R5044
47
R5043
47
R5042
47
R5048
8.2K
C5045
100/16V
C5046
0.1uF
C5035
0.022
C5057
0.022
C5058
0.022
C5038
0.047
L5057
10uH
C5047
0.1uF
C5001
1000P
C5033
100/16V
R5033
4.7
54321
CN502
C5034
150P
R5034
47K
321
VccGNDVOUT
RC501
R/C SENSOR
C5059
0.022
R5059
1K
C5220
0.1
54321
CN522
C5215
470P
C5214
470P
C5219
0.1
C5218
470/10
RX
VCC
GND
OUT
321
JK522
4321
BN502
C5106
100P
C5107
100P
C5105
100P
R5105
75
R5026
100
C5023
0.022
C5024
0.022
R5023
2.7K
R5024
2.7K
VR502
VR ENCODER
R5107
75
R5106
75
R5101
470
R5102
470
R5103
100K
R5104
100K
C5104
100P
C5103
100P
54321
BN501
JW501
D5112
OPEN
C5111 OPEN
8
7
3
2
1
JK521
1
2
3
4
5
6
7
JK501
JK502
R5045
10
R5047
10
14 13 12 11 10 9 8
7654321
IC501
HVITC74VHCT08FT
C5005
1000P
R5005
1K
R5008
2.7K
R5007
1.8K
R5006
1.5K
S5007
RIGHT
S5008
ENTER
S5009
UP
S5010
DOWN
S5006
LEFT
14 13 12 11 10 9 8
7654321
IC522
HVITC74VHCT08FT
Q5033
KRC102M
C5217
0.1
D5111
OPEN
R5111 OPEN
D5114
OPEN
C5113 OPEN
D5113
OPEN
R5113 OPEN
C5232 0.1
R5232 open
JW521
C5231 0.1
R5231 4.7
R5027
1K
D5056
8.2V
C5056
10/50V
D5044
Z27V
D5053
13V
C5055
47/63V
C5053
47/63
Q5051
C2316Y
D5055
1N4003
R5051
47K
C5051
0.01uF
C5052
47/63
R5053
1.2K
C5054
0.01uF
R5054
100K
R5052
100K
R5055
3.3
D5116
OPEN
C5115 OPEN
D5115
OPEN
R5115 OPEN
JW502
C5031
0.1
C5060
47/63V
61
F2 F2
62 58
VDISP
DGND
VDD
F1
56 55 2
IC
54 53
LGND
OSCO
RESET
CS
DO
DA
CP
TEST
NC
IC
F1
57 552 51 50 49 48 76 1
FIP51
CFLHCA16S201T
C5048
39P
OB
D5032
CVD1L0593A2B12MA402
Q5032
KRA102M
Q5031
KRA102M
R5031
680
R5032
560
C5032
0.1
R5001
1K
R5004
2.7K
R5003
1.8K
R5002
1.5K
S5012
MENU
S5003
SURROUND
S5005
SOURCE LIST >>
S5001
POWER
S5011
SOURCE LIST <<
R5011
3.3K
R5012
5.6K
321
BN508
321
CN508
CJP03GI236ZW
R5154
100K(H)
C5161
10/50V(H)
C5159
470P(H)
C5153
10/50V(H)
R5156
1K(H)
R5158
1K(H)
R5151
100(H)
R5152
100(H)
C5151
47/25V(H)
C5152
47/25V(H)
C5157
47P(H)
R5157
10K(H)
R5160
10K(H)
C5160
150P(H)
V+
B OUTP UT
B-INP UT
B+INPU T
V-
A+INPUT
A-INPUT
A OUTPUT
-+
B
-+
A
8765
4321
IC521
R5161
100K(H)
8
9
6
7
5
4
3
2
1
1
8
7
3
2
4
5
9
6
JK541
HJJ2E027Z
C5144
150P(H)
C5143
150P(H)
R5144
47K(H)
R5142
470(H)
R5141
470(H)
R5143
47K(H)
C5142
1000P(H)
C5141
1000P(H)
C5149
0.1uF(H)
R5149
4.7(H)
7654321
BN507
7654321
CN507
CJP07GI236ZW
R5009
4.7
JW522
54321
1
2
3
4
5
BN512_1
CJP05GB46ZY
54321
1
2
3
4
5
BN512
CJP05GB46ZY
Q5036
KRC102M
Q5037
KRC102M
12
R5036
CRD20TJ103T
JW503
R5220
4.7
Q5201
C102S(H)
D5201
1SS355(H)
C5203
0.1uF(H)
R5201
2.2K(H)
R5202
1.5K(H)
R5203
10K(H)
56
43
8
1
7
2
RY521
CSL4A016ZU(H)
R5056
2.2
54321
1 2 3 4 5
BN511
CWB05
R5204
1(1/4)
C5112 0.1
R5112 OPEN
OPTICAL_IN