Tv Board: Audio Delay Line - Philips LC03E Service Manual

Circuit Diagrams and PWB Layouts

TV Board: Audio Delay Line

AUDIO DELAY LINE
(COMMON)
1 2
A
5601 F601
+5V4 +5VD
1u0
COUNTER
7601
+5VD 7603
TC74HC590AF CY62256
14
GNDDIGITAL
EN3
16 +5VD
VCC
13 5V3
C2
8
2V3
GND
2601
5V3
12
B GNDDIGITAL 100n
G1 CTR8
GNDDIGITAL
11 9 2603
(CT=255)Z4 4
1+
2V3 100n
5V3
+5VD GNDDIGITAL
10
CT=0
5V3
GNDDIGITAL
15
2D 3
1 2V6
2 2V6
3
2V6
C
4
2V6
5 2V6
6 2V6
7 2V6
14 7602 +5VD
GNDDIGITAL
EN3
16
VCC
D 13 5V3
C2
8 2602
GND
100n
12
G1 CTR8 GNDDIGITAL
5V3
11 9
(CT=255)Z4 4 GNDDIGITAL
1+
2V3
+5VD
10
CT=0
5V3
15
2V6
2D 3
1 2V6
2 2V6
E
3
2V6
4
4601 2V6
5 2V6
4602
6 (1) 2V6
4603
7
TC74HC590AF
COUNTER
F
GNDDIGITAL
GNDDIGITAL
1 2
LC03E 7.
3 4
GNDDIGITAL
GNDDIGITAL
(1) NOT USED
GNDDIGITAL
GNDDIGITAL GNDHOT
3 4
44
5 6 7
+5VD
DFF 2604
7604
74HCT573D 100n
GNDDIGITAL
20
5V3
1
EN
2V3 11
C1
2 2V6 19
1D
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10
GNDDIGITAL
+5VD
3610
470R
F612 7610
2V3
BC847BW
F613
0V2
2611 2610
3611
82p 47K 82p
GNDDIGITAL GNDDIGITAL
5 6 7
8 9
+5VD
DFF 2605
7605
74HCT573D 100n
GNDDIGITAL
20
GNDDIGITAL 5V3
1
EN
2V3 11
C1
2 19 4610 (1)
1D
(1)
3 18 4611
4 17 4612 (1)
(1)
5 16 4613
6 15 4614
7 14 4615 (1)
(1)
8 13 4616
I2S_DATA_IN
F602
A8
9 12 4617 (1)
(1) NOT USED 2V6
10
2612
330p
GNDDIGITAL
GNDDIGITAL
F603 I2S_DATA_OUT
A8
2613
470p
GNDDIGITAL
F602 F603
2V / div AC 2V / div AC
2ms / div 2ms / div
F610 I2S_CLOCK
A8
CL 36532023_010.eps
100403
8 9
2601 B2
2602 D2
2603 B2
2604 B7
2605 B8
2610 F6
2611 F6
2612 D9
A
2613 D9
3610 F5
3611 F6
4601 E2
4602 E2
4603 F2
4604 F2
4605 F2
4606 F2
4610 C9
4611 C9
4612 C9
B
4613 C9
4614 C9
4615 C9
4616 C9
4617 C9
5601 A1
7601 A1
7602 D1
7603 A2
7604 B7
7605 B8
C
7610 F6
F601 A1
F602 C9
F603 D9
F610 F9
F612 F5
F613 F6
D
E
F