NAD M55, Service Manual

Page: 55 / 78

V
dd_IO
1
Y0
2
Y1
3
Y2
4
Y3
5
Y4
6
Y5
7
Y6
8
Y7
9
Vd
d
10
DGND
11
Y8
12
Y9
13
C0
14
C1
15
C2
16
C3
17
C4
18
I2C
19
ALSB
20
SDA
21
SCLK
22
P_HSYNC
23
P_VSYNC
24
P_BLANK
25
C5
26
C6
27
C7
28
C8
29
C9
30
RTC_SCR_TR
31
CLKIN_A
32
RE
SE
T
33
EXT_LF
34
Rse
t2
35
CO
M
P
2
36
DAC
F
37
DAC
E
38
DAC
D
39
AGND
40
Vaa
41
DAC
C
42
DAC
B
43
DAC
A
44
CO
M
P
1
45
Vr
ef
46
Rse
t1
47
S_
B
L
ANK
48
S_VSYNC
49
S_HSYNC
50
S0
51
S1
52
S2
53
S3
54
S4
55
Vdd
56
DGND
57
S5
58
S6
59
S7
60
S8
61
S9
62
CLKN_B
63
GND_IO
64
U527
ADV7300A
+3.3VV +2.5VD
+2.5VD
SCL
SDA
+3.3VV
R699
4K7
R686
22R
1
8
2
7
3
6
4
5
RP540
22Rx4
1 8
2 7
3 6
4 5
RP542 22Rx4
R684
4K7
R687
3040R
C602
0.1U
C603
0.1U
+2.5VA
L521 5.6UH
R620
300R
RST-S2300
C560
100PF
C633 3.9nF
C637 820PF
R692 680R
+2.5VA
R688 3040R
+2.5VA
C608
0.1U
+2.5VD
C609
0.1U
ADJ
1
IN
2
OUT
3
I
4
U528
AMS337-ADJ
G
1
OUT
2
IN
3
O
4
U529
AMS1117-5.0
3.3VD
C626
100u/6.3V
1
C644
470uF/10V
C625
100u/6.3V
+2.5V
+3.3VV
FB523 FERB
+2.5VD
+2.5VA
-12V
+12V
C631
47u/25V
+12V
+5V_VID
C630
100u/6.3V
R715
180R
R714
510R
-5V_VID
C629
47u/25V
-12V
C615
0.1U
C612
0.1U
C613
0.1U
C614
0.1U
C628
100u/6.3V
O1
1
IN
1-
2
IN
1+
3
Vs
s
4
IN
2+
5
IN
2-
6
O2
7
Vcc
8
U516
AD8092
R662
560R
R664
560R
R674
75R
R661
560R
R663
560R
R675 75R
-5V_VID
+5V_VID
-5V_VID
+5V_VID
C598
0.1U
C597
0.1U
R671
560R
R677 75R
-5V_VID
-5V_VID
+5V_VID
C606
0.1U
C604
0.1U
R672
560R
R678 75R
C607
0.1U
B504
0.1U
R673
75R
CVBS
R676 75R
FB521 FERB
FB528 FERB
C616
20PF
C618
20PF
Y-SVIDEO
C-SVIDEO
FB522 FERB
C617
20PF
GNDD GNDV
C641
0.01U
C611
0.1U
+3.3VV
C642
0.01U
C643
0.01U
FB524 FERB
C600
0.1U
C599
0.1U
C610
0.1U
1
8
2
7
3
6
4
5
RP538
22Rx4
1
8
2
7
3
6
4
5
RP539
22Rx4
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
R613
300R
L522 5.6UH
R621
300R
C561
100PF
R614
300R
L523 5.6UH
R622
300R
C562
100PF
R615
300R
R653
300R
R655
300R
R656
300R
R685
NA
R689
1K1
+2.5VD
C601
0.1U
R698 10K
(ADV7310A)
FB525
FERB
J501A
+12 TRIG IN
R716
100R
OFF
ON
1
2
3
1
2
3
SW503
SPDT M7
R702 4k7
1
8
2
7
3
6
4
5
RP541
22Rx4
Y8 Y9 C0 C1 C2 C3 C4
R697
100R
R696
100R
1 8
2 7
3 6
4 5
RP543 22Rx4
C5
C6
C7
C8
C9
PCLK
PBLANK
PVSYN
PHSYN
3.3VD
R693 22R/NA
-12V +12V
1
2
3
4
5
6
JP503
TO PSU
VCC
R713 0R
P502A
S+RCA
P502B
S+RCA
SCL
SDA
C5
C6
C7
C8
C9
PBLANK
PVSYN
PHSYN
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 C0 C1 C2 C3 C4
PCLK
1
C648
470uF/10V
1
C649
470uF/10V
1
C650
470uF/10V
1
C651
470uF/10V
1
C652
470uF/10V
1
C653
470uF/10V
C654 0.1U
C655 0.1U
C656 0.1U
C657
330pF
C658
330pF
C659 330pF
CVBS
RGB_N
RGB_AV/TV
RGB_S
+12VA
D+5V
GNDV
GNDV
P/I SELECT
G/Y
R/Cr
B/Cb
G/Y
R/Cr
B/Cb
GNDD GNDV
R701 0R
1
2
3
4 5
P508
MC4
PB
Y
PR
Cb-RCA
Y-RCA
Cr-RCA
V-
2
NC
3
V+
1
D502
AD1580
1.2 V Micropower,
R525
100R
R706
4k7
Q524
8050
R707
4k7
R708
10K
TRIG_O/F
+12V_O/F
TRIG_O/F
+12V_O/F
3.3VD
package:SO8
package:SOT23
RST-S2300
PIN6*2mm
DEL R694
DEL R691
R711
4K7 R712
4K7
+3.3VV
XM1
XM2
B643
0.1UF
B642
0.1UF
V0
1
V1
2
V2
3
V3
4
V4
5
V5
6
V6
7
V7
8
FIELD/CB
9
HSYNC/CB
10
VSYNC
11
INT
12
TES
T
13
XTAL_
OUT
14
XTAL_
IN
15
PADR
16
VDD
17
GNDD
18
PDAT7
19
PDAT6
20
PDAT5
21
PDAT4
22
PDAT3
23
PDAT2
24
PDAT1
25
PDAT0
26
RD
27
WR
28
CLK1N
29
TTXDAT
30
TTXRQ
31
SDA
32
SCL
33
RESET
34
GNDA
35
VAA
36
IS
ET
37
VR
EF
38
R
39
G
40
VAA
41
GNDA
42
B
43
CV
BS
44
GNDA
45
VAA
46
C
47
Y
48
U536
CS4955
1 8
2 7
3 6
4 5
RP546
22x4
1 8
2 7
3 6
4 5
RP547
22x4
YUV0
YUV1
YUV2
YUV3
YUV4
YUV5
YUV6
YUV7
YUV0
YUV1
YUV2
YUV3
YUV4
YUV5
YUV6
YUV7
R666
NC
R665
NC
R668
4K7 R667
4K7
C660
56PF
C661
56PF
C662
56PF
C666
56PF
C667
56PF
C668 56PF
R623
150R
R624
150R
R619
150R
+5V_VID
L550 22UH
AVCCV
AVCCV
R669 4K 1%
RST-S2300
27M_IN
27M_IN
RST-S2300 1 8
2 7
3 6
4 5
RP548 22x4
SCL
SDA
SCL
SDA
DVCCV
DVCCV
DVCCVDVCCV
B506
0.1U B507
0.1U
C619
0.1U
+5V_VID
+3.3VV
PPCLK
R670
0R
PPCLK
+5V_VID
B509
0.1U
B510
0.1U B511
0.01U
L551 22UH
DVCCV
AVCCV
B619
10u/6.3V
B618
10u/6.3V
LCH
RCH
MUTE
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
JP502
CON16
GND
GNDA
3.3VD
VCC
R626
0R
+2.5V
FB526 FERB/NC
+5V_VID D+5V
VCC
FB527 FERB
S-Y
S-C
G
1
OUT
2
IN
3
O
4
U522
AMS1117-2.5
R629
0R
VCC
COMPONENT OUTPUT
COMPOSITE OUTPUT
S-VIDEO OUTPUT
1 2
3
Q601
BAV99
1 2
3
Q602
BAV99
1 2
3
Q603
BAV99
1 2
3
Q606
BAV99
1 2
3
Q605
BAV99
1 2
3
Q604
BAV99
+5V_VID
+5V_VID
+5V_VID
+5V_VID
+5V_VID
+5V_VID
HD-G
HD-B
HD-R
SD-B
SD-G
SD-R
LEVEL1
1
DISABLE
2
Y1/G1
3
GND
4
Pb1/B1
5
GND
6
Pr1/R1
7
F_SEL_A
8
F_SEL_B
9
Y2/G2
10
DGND
11
Pb2/B2
12
DGND
13
Pr2/R2
14
MUX
15
Vcc
16
Pr/R_OUT
17
Vee
18
Pb/B_OUT
19
Vee
20
Y/G_OUT
21
Vcc
22
G-SEL
23
LEVEL2
24
U543
ADA4411-3
INmux
1
Rina
2
Rinb
3
Gina
4
Ginb
5
Bina
6
Binb
7
Vcca
8
Vcco
9
Bout
10
Gout
11
Rout
12
Vss
13
Fsel
14
U542
FMS6418A
SD-B
SD-G
SD-R
HD-G
HD-B
HD-R
PIN23: H=X2 GAIN
R779
NC
+5V_VID
L=HD H=SD
R774 0R/NC
R775 0R/NC
R776 0R
R777
0R
L=CH2 H=CH1
P/I SELECT
SD-B
SD-G
SD-R
HD-G
HD-B
HD-R
1
2
JP506
CON2
P/I SELECT
B/Cb_OUT
R/Cr_OUT
G/Y_OUT
B/Cb_OUT
R/Cr_OUT
G/Y_OUT
L=CH_B H=CH_A
L=SD H=HD
HD-R
SD-R
HD-G
SD-G
HD-B
SD-B
TO SCART BOARD
+5V_VID
R772 NC
FB529 60R@100M
3.3VD
3.3VB 3.3VB
3.3VB
C620
0.01U
+5V_VID
For Debug ADA4411-3 Filter
OPTION:
This circuit is for instead ADA4411-3
F_SEL_A F_SEL_BY/C CutoffPb/B Cutoff
Pr/R Cutoff
0
1
0
1
0
1
0
1
36MHz
36MHz 36MHz 36MHz
18MHz 18MHz
18MHz 18MHz
18MHz
9MHz 9MHz 9MHz
P/I SELECT
+5V_VID
R773
4K7
R778
NC
+5V_VID
B520
NC
R781
NC
B521
NC
+5V_VID
R783
33R
R784
33R
R785 33R
R783 R784 changed from 0R to 33R
Vo
1
-V
s
2
+IN
3
-IN
4
+V
s
5
U517
AD8091
-5V_VID
-5V_VID
-5V_VID
-5V_VID
-5V_VID
-5V_VID
COMPONENT OUTPUT IS NOT
APPEAR OR BAD
13.K-VIDEO CIRCUIT DIAGRAM
3-46
3-47