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7.
Circuit Diagrams and PWB Layouts
MOBO: Video In/Out (IOV)
B
D
N
G
Y|CVBSIN-AUX
Y|CVBSIN-TV
CIN-TV
1
D
N
G
DIGOUT
FBIN-AUX
B|PBIN-AUX
G|YIN-AUX
R|PR|CIN-AUX
Y|CVBSOUT-AUX
COUT-AUX
Y|CVBSOUT-REC
DECV
YIN-ENC
CIN-ENC
CVBSIN-ENC
B|PBIN-ENC
G|YIN-ENC
R|PR|CIN-ENC
3
B
C
C
V
2
B
C
C
V
1
B
C
C
V
C
E
R-
B
C
C
V
C
C
V
D
D
V
SCL
SDA
Y|CVBSIN-TUN
6
5
4
3
2
1
D
D
N
G
CIN-TUN
C-GATE
Y|CVBSOUT-TV
FBOUT-TV
B|PBOUT-TV
G|YOUT-TV
R|PR|COUT-TV
C
E
R-
B
D
N
G
2
D
N
G
d
e
s
u t
o
n
I
A
B
C
D
E
F
G
H
I
1941-1 B1
1941-3 A11
1942 F1
1944-1 I14
1944-3 A5
1946 A10
1947 I9
1948 C14
CVBS
AR
AL
%
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
%
1
%
1
%
1
%
1
1%
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
E
F
G
H
S-CONN
*
*
1949 F14
2400 A7
2401 A3
2402 B3
2403 B8
2404 B8
2405 B8
2406 C1
2407 D4
2408 D7
2409 D7
2410 D9
2411 D13
2412 D4
2413 D4
2414 D5
2415 E13
2416 E3
2417 E1
2418 E13
2419 E14
2420 E7
2421 E13
2422 F10
2423 F7
2424 F2
2425 F4
2426 F2
2427 F9
2428 F9
2429 G9
2430 G9
2431 G10
2432 G10
2433 G11
2434 G10
2435 G10
2436 G11
2437 A7
2438 I7
2439 A7
3400 A8
3401 A11
3402 A11
3403 A12
3404 B2
3405 B6
3406 B6
not used
3407 B6
3408 C2
3409 C12
3410 C1
3411 C11
3412 C11
3413 C11
3414 C12
3415 C13
3416 D12
3417 E2
3418 E13
3419 E1
3420 E14
3421 E12
3422 E6
3423 E12
3424 F13
3425 F5
WSRO
3426 F12
3427 F5
3428 F13
3429 F12
3430 G13
3431 G10
3432 G4
3433 G6
3434 G7
3435 H12
3436 H13
3437 I11
3438 I13
5400 B8
5401 C4
5402 D7
6400 A3
6401 A6
6402 A6
6403 A6
GND
REAR IN
C
6404 B3
6405 B3
6406 B11
6407 B11
6408 B12
6409 C12
6410 D13
6411 G13
6412 G14
6413 H13
7400 E13
7401 E3
7402 D9
7403 F13
7404 H13
F400 A7
REAR OUT
AR
CVBS
from Digital Board
*
OPTION
REAR IN
F401 A9
F402 A2
F403 A6
F404 A6
F405 A6
F406 A6
F407 A10
F408 A10
F409 A10
F410 A11
F411 A11
F412 A11
F413 A2
F414 A2
F415 B1
F416 C13
F417 C13
Y
F418 F1
F419 F2
F420 F1
F421 F2
F422 F14
F423 F1
F424 F2
F425 F14
F426 F2
F427 G2
F428 G2
REAR IN 2
from / to Digital Board
F429 G1
F430 G1
F431 G1
F432 G1
F433 H14
F434 I9
F435 I9
F436 I9
F437 I10
F438 I10
F439 I10
F440 I10
F441 I10
F442 I10
F443 I10
REAR OUT 2
U
AL
F444 I11
F445 I14
F446 I14
F447 I11
I400 B8
I401 C7
I402 D4
I403 D7
I404 D9
I405 E4
I406 E7
C
Y
S-CONN
REAR OUT
I407 E9
I408 E3
I409 E7
I410 E9
I411 E9
I412 E13
I413 E13
I414 E9
I415 E5
d
e
s
u t
o
n
Y
I416 E9
I417 E13
I418 E7
I419 E9
I420 E5
I421 F9
I422 F9
I423 F5
I424 F9
I425 F13
I426 G7
I427 G7
Y
V
1%
I428 G9
I429 G7
I430 G7
I431 H12
I432 H13
V
U
%
1
GND
5V
GND
1948
TCS79
1
2
3
4
7
5
6
100R
3433
F445
n
0
1
7
1
4
2
I404
3400
1K0
7
4
4
F
100n
2415
4
3
4
F
I422
1
0
4
3
R
5
7
5NESD
GND
GND
GND
GND
GND
GND
5V
5NESD
GND
5NESD
6
0
4
6
2
1
C-
4
8
3
X
Z
B
GND
GND
1
4
4
F
GND
2
1
4
2
u
7
4V
3.
6
1u0
2420
9
3
4
F
F414
5V
5NESD
D
N
G
n
0
0
1
4
0
4
2
3
0
4
F
150R
3409
I415
4
5
6
7
8
9
4
1
5
1
6
1
7
1
8
1
9
1
2
0
2
1
2
2
2
3
7
4
9
1
A-
K
R
T
B-
N
M
F
2
2
1
0
1
1
1
2
1
3
1
5NESD
GND
GND
5VSTBY
GND
5NESD
GND
GND
GND
5NSTBY
D
N
G
0
1
4
6
2
1
C-
4
8
3
X
Z
B
3
2
4
3
R
0
5
1
F418
150R
3421
3436
68R
GND
D
N
G
Y
B
T
S
V
5
GND
GND
GND
GND
D
N
G
GND
GND
6
0
4
F
GND
5VSTBY
GND
5VSTBY
GND
5V
GND
2
3
4
5
6
7
6
4
9
1
A-
K
R
T
B-
N
M
F
7
0
1
0
1-
0
1-
0
2
5
1
3
3-
T
3-
1
4
9
1
0
1
1
1
8
9
1
0
4
F
R
0
5
1
1
1
4
3
I432
3
4
1
2
5V
GND
4
0
4
F
T-331520-10-10
1944-1
D
S
E
N
5
GND
GND
D
N
G
2
1
C-
4
8
3
X
Z
B
3
0
4
6
5NESD
D
N
G
GND
GND
6
3
4
2
0
u
1
I421
1
1
4
2
n
0
0
1
3
0
4
2
n
0
0
1
R
8
6
5
0
4
3
5V
5NESD
GND
GND
5V
GND
5NSTBY
GND
GND
GND
GND
R
5
7
2
0
4
3
GND
5NESD
u
7
4
5
0
4
2
2
2
4
2
n
7
4
150R
3435
GND
GND
2
1
C-
4
8
3
X
Z
B
4
0
4
6
GND
5
0
4
6
2
1
C-
4
8
3
X
Z
B
8
3
4
2
I424
0
u
1
BC847BW
7404
4
0
4
3
R
5
7
D
N
G
I416
GND
GND
GND
5VSTBY
GND
GND
5NSTBY
GND
1
0
4
2
p
0
7
4
4
2
0
3
2
3
6
3
7
19
1
41
25
21
33
15
10
29
17
9
31
37
38
8
0
2
2
14
16
18
35
34
3
2
1
6
2
2
2
9
3
11
27
28
6
43
40
23
4
5
42
44
VIDEO SWITCH
MATRIX
7402
STV6618
13
I426
Φ
I418
F428
8
3
4
F
3434
100R
5
0
4
F
0
u
1
1
3
4
2
R
5
7
5
1
4
3
10u
2426
9
0
4
F
n
0
0
1
3
1
4
2
2
4
4
F
2
1
C-
4
8
3
X
Z
B
GND
1
1
4
6
5NESD
GND
GND
GND
D
N
G
I405
5NSTBY
3420
4K7
I417
0
1
1
1
8
9
2
1
C-
4
8
3
X
Z
B
7
0
4
6
0
1-
0
1-
0
2
5
1
3
3-
T
3-
4
4
9
1
I411
I420
2
1
4
3
R
0
5
1
9
1
4
2
n
0
1
GND
I413
4
4
4
F
GND
GND
GND
5NESD
F415
150R
3422
47K
3417
7
0
4
F
R
0
3
3
8
1
4
3
I406
4
1
4
3
R
5
7
R
0
5
1
9
2
4
3
3408
47K
I410
I400
2
1
4
6
2
1
C-
4
8
3
X
Z
B
I414
3
1
4
6
2
1
C-
4
8
3
X
Z
B
I428
6
1
4
3
7
K
4
F427
1u0
2425
F400
F417
7
3
4
F
R
0
5
1
7
3
4
3
I408
F413
n
0
0
1
0
1
4
2
I429
2421
100n
F426
F424
BC847BW
7403
F425
F433
I419
8
0
4
6
2
1
C-
4
8
3
X
Z
B
2
0
4
6
2
1
C-
4
8
3
X
Z
B
100n
2418
3
3
4
2
0
u
1
R
6
5
4
2
4
3
3
4
4
F
0
4
4
F
F419
2424
10u
5
6
7
8
9
F430
1
10
11
12
13
14
15
2
3
4
8
0
4
F
15FMN-BTRK-A
1942
I430
9
3
4
2
n
0
0
1
1u0
2427
2
1
4
F
F402
I403
0
3
4
3
R
0
3
3
I412
3426
150R
T-331520-10-10
1941-1
3
4
1
2
0
1
4
F
5402
10u
R
8
6
6
0
4
3
I425
F431
F422
4
1
4
2
u
0
1
7
3
4
2
n
0
0
1
u
7
4
8
0
4
2
I427
V
3.
6
7
0
4
2
0
u
1
n
0
0
1
9
0
4
2
I401
F416
u
0
1
1
0
4
5
F420
1
1
4
F
1u0
2429
IN2A
14
IN2B
8
IN3A
9
IN3B
3
OUT1
5
OUT2
6
OUT3
13
V+
I409
NJM2285M
7401
2
CTL1
CTL2
12
7
CTL3
15
GND1
4
GND2
10
GND3
16
IN1A
1
IN1B
11
u
0
1
0
0
4
5
10u
2428
16V
K
0
1
5
2
4
3
I407
R
0
5
1
3
1
4
3
p
0
7
4
2
0
4
2
0
0
4
6
2
1
C-
4
8
3
X
Z
B
I431
2
3
4
3
K
0
1
7400
BC857BW
F421
6
3
4
F
3
0
4
3
R
5
7
F432
5
3
4
F
8
3
4
3
R
0
3
3
0
u
1
2
3
4
2
F429
F446
5
3
4
2
6
0
4
2
n
0
1
u
0
1
2
3
4
7
5
6
TCS79
1949
1
3
2
4I
I402
K
0
1
7
2
4
3
1u0
2430
u
0
1
0
0
4
2
9
1
4
3
68R
3428
2423
100n
K
2
8
K
2
8
0
1
4
3
7
0
4
3
R
8
6
3431
150R
2
1
C-
4
8
3
X
Z
B
9
0
4
6
1u0
2416
F423
4
3
4
2
n
0
0
1
R
2
NI
A
L
2
NI
A
2
1
C-
4
8
3
X
Z
B
1
0
4
6
Y
_
D
CVBSFIN
W
S
M
MSW
V
5
_
A
D
S
CSW
W
S
C
V
F
V
V
5
_
L
C
S
Y
_
A
C
_
D
S
B
V
C
_
D
S
B
V
C
_
D
5VSTBY
YFIN
T
U
O
L
A
T
U
O
R
A
S
B
V
C
Y
_
A
KEY2
WSRI
U
_
D
1
Y
_
D
V
_
D
C
_
A
U
_
A
V
_
A
WSFI
TEMP
TEMP
LED_EPG
LED_EPG
LED_TRAY
LED_TRAY
REC
REC
RC
RC
AINFL
AINFL
VS1
VS2
KEY2
GND
CFIN
KEY1
KEY1
AINFR
AINFR
5NSTBY
5V
5VSTBY
E_14220_007
280904
F422 Y_OUT
F425 C_OUT
F433 CVBS_OUT
I403 V_OUT
I406 Y_OUT
I409 U_OUT
I422 C_OUT
I424 Y_OUT
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