7.
Circuit Diagrams and PWB Layouts
TV Board: Audio Delay Line
C2
G1
1+
CT=0
CTR8
(CT=255)Z4
2D 3
4
EN3
EN
C1
1D
EN
C1
1D
C2
G1
1+
CT=0
CTR8
(CT=255)Z4
2D 3
4
EN3
(1)
2V6
4615 C9
4616 C9
4617 C9
5601 A1
2V6
2V6
F613 F6
2V6
5V3
(1)
2V6
(1)
5V3
5V3
2V6
4614 C9
2V5
2V3
F601 A1
2V6
(1) NOT USED
(1) NOT USED
(1)
(1)
(1)
7603 A2
A8
7610 F6
2V6
2V6
7604 B7
7605 B8
DFF
7601 A1
7602 D1
3
A
A
(1)
5V3
B
C
D
5V3
5V3
2V6
F
DFF
(COMMON)
E
B
(1)
2V3
(1)
(1)
2V3
AUDIO DELAY LINE
4
D
A8
1
2
3
COUNTER
2V6
2605 B8
2610 F6
2611 F6
2612 D9
2613 D9
3610 F5
3611 F6
4601 E2
2
2V3
2V6
E
F
2601 B2
2602 D2
2603 B2
2604 B7
5
6
7
8
9
1
F602 C9
F603 D9
F610 F9
2V5
2V5
F612 F5
5V3
A8
2V5
2V5
4602 E2
4603 F2
2V5
2V3
2V3
5V3
C
2V5
4606 F2
2V5
4605 F2
2V6
COUNTER
4610 C9
4611 C9
2V3
0V2
5V3
4612 C9
4613 C9
4
5
6
7
8
9
4604 F2
4615
2V6
2V6
2V6
GNDDIGITAL
330p
2612
2604
100n
4601
+5VD
2
3
4
5
6
7
13
9
VCC
16
7602
TC74HC590AF
11
12
10
GND
8
14
15
1
11
I|O1
12
I|O2
13
I|O3
15
I|O4
16
I|O5
17
I|O6
18
I|O7
19
OE_
22
VCC
28
WE_
27
+5VD
6
A11
7
A12
8
A13
9
A14
10
A2
24
A3
25
A4
26
A5
1
A6
2
A7
3
A8
4
A9
5
CE_
20
GND
14
I|O0
GNDDIGITAL
GNDDIGITAL
7603
CY62256
A0
21
A1
23
A10
GNDDIGITAL
+5VD
+5VD
+5V4
4616
BC847BW
7610
GNDDIGITAL
GNDDIGITAL
4602
GNDDIGITAL
GNDDIGITAL
GNDDIGITAL
GNDDIGITAL
GNDDIGITAL
GNDDIGITAL
VCC
16
4610
12
10
GND
8
14
15
1
2
3
4
5
6
7
13
9
+5VD
+5VD
7601
TC74HC590AF
11
2610
82p
2605
100n
GNDDIGITAL
F610
3610
470R
100n
2603
4603
4605
F602
GNDDIGITAL
100n
2601
4614
GNDDIGITAL
GNDDIGITAL
GNDDIGITAL
5601
1u0
F612
+5VD
4611
100n
+5VD
GNDHOT
2602
+5VD
4606
GNDDIGITAL
GNDDIGITAL
F603
4612
15
14
13
12
20
F613
7
8
9
10
11
1
19
18
17
16
2
3
4
5
6
17
16
15
14
13
12
20
74HCT573D
7604
5
6
7
8
9
10
11
1
19
18
7605
2
3
4
F601
74HCT573D
GNDDIGITAL
4617
82p
2611
470p
2613
GNDDIGITAL
3611
47K
4613
4604
GNDDIGITAL
GNDDIGITAL
I2S_DATA_IN
I2S_DATA_OUT
I2S_CLOCK
CL 36532023_010.eps
100403
F602
2V / div AC
2ms / div
F603
2V / div AC
2ms / div