Schematics and PWB’s
29
L01.1E
7.
Large Signal Panel: Control
C2
C5
C4
C3
C1
SDA
I/O
PORTS
VST PWM-DAC
ENHANCED
80C51
CPU
ROM/RAM
TELETEXT
ACQUISITION
1/10 PAGES
MEMORY
R
G
B
BL
COR
CVBS
SYNC
H
V
OSD
TELETEXT
DISPLAY
IIC-BUS
TRANSCEIVER
SCL
CONTROL
EEPROM
#
M24C08
FOR ITV ONLY
*
DATA-IN
DATA-OUT
CLOCK
TREBLE-BUZZ
POR
GND
FOR ITV ONLY
Bass_panorama
SDM
FOR ITV ONLY
FOR ITV ONLY
FOR ITV ONLY
FOR ITV ONLY
TDA95XX
FOR ITV ONLY
A4-14
A7-14
A8-14
A9-14
A4-13
A7-13
A8-13
A9-13
A1-11
A12-10
A12-8
A14-1
A2-9
A8-15
A10-12
A2-7
A8-6
A1-5
A12-4
A4-3
A5-3
A14-2
A6-17
A7-13
A7-14
TO
0217
OF
3V7
3V7
0V
3V2
3V3
5V
0V
0V
0V
0V
0V
0V
0V
0V
3V3
0V
3V2
3V3
0V
0V
1V5
0V
0V
3V3
3V2
3V2
3V3
3V3
3V7
3V7
FOR ITV ONLY
A14-75
*
A9-8
TO
0240
OF
FOR ITV ONLY
0V
0V
0V
3V3
0V3
0V
0V
0V
0V
1
4618
A
B
C
D
E
F
G
0217 F2
0240 A3
0250 B1
0261 D2
0273 B4
0274 A8
0279
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
0273
0274
0279 A1
0287 B2
1660 E7
2601 A6
2602 D8
2604 D2
2606 E8
2607 D7
2608 A5
2609 E7
2611 B5
2612 B8
2613 B8
2615 A6
2616 A4
2618 B5
2619 D8
3601 B3
3603 A8
100R
3611
3604 A7
3605 C2
3606 B7
3607 B7
3608 D8
3609 D3
3610 C3
3611 A8
3612 C3
3614 F2
3615 E2
3617 D2
3618 D2
3619 C3
3622 D7
3623 D3
3624 B7
3625 B7
3626 C7
3627 C9
3628 D7
3629 C8
3630 D8
3632 D9
3633 D9
3634 C7
3635 B2
3636 B2
4601 A7
4602 A7
4603 B7
4604 G2
4618 G2
5602 A6
5603 A6
5604 A6
7200-B B4
7602 A7
7606 E8
9631 E2
9641 E2
9647 B2
8K2
3612
2607
2619
1u
9647
100n
2618
0287
2616
47n
9641
9631
4604
0217
1
2
3
4
5
6
2615
1n
100R
3635
100R
3636
100R
3634
100n
2608
5u6
5602
0250
3601
8K2
0240
1
2
3
4
5
6
7
1R
3632
3633
1R
4602
4603
4601
PDTC143ZT
7606
4K7
3614
3627
4K7
3628
10K
4K7
3629
3630
2K2
2K2
3607
0261
3606
2K2
3618
10K
10u
2604
2K2
3605
8K2
3610
10K
3615
3617
4K7
8K2
3619
3626
4K7
22p
2613
22p
2612
3624
100R
3608
100R
3625 100R
100p
2602
5603
5u6
5u6
5604
100n
2611
2606
1n
67
68
69
7
70
71
72
73
74
75
76
77
78
79
80
3622
100R
7200-B
1
2
3
4
5
59
6
60
61
62
63
64
65
66
3623
4K7
3609
1K
33p
2609
33p
5
6
7
8
7602
1
2
3
4
3604
100R
2601
220n
100R
3603
ITV_MSG
12MHZ
1660
LED
Stdby_con
Bass_panorama
5V
SDA
SCL
+3.3V
SEL-MAIN-FRNT-RR
Treble_Buzzer_Hosp-app
STATUS2
STATUS1
Volume|Mute
KEYBOARD_protn
+3.3V
IR
SEL-IF-LL_M-TRAP
EW_protection
POWER_DOWN
+3.3V
SDA
SCL
+8V
+3.9V
+3.3V
+3.3V
+3.9V
+3.3V
SANDCASTLE
+3.3V
+3.3V
CL 16532020_032.eps
050601
Item
Description
32" Wide screen, FM Radio
28" Wide screen, FM Radio
29" Real flat
32" Wide screen, No FM Radio
28" Wide screen, No FM Radio
24" Wide screen
21"
25"
28" Blackline
29" Super flat
0217 5P male
0240 4P male
3601 1/6W 8K2
3614 4K7
X
X
3615 10K
X
X
3617 4K7
X
X
X
X
X
3619 8K2
X
X
X
X
X
3633 1R
4603 Jumper
4618 Jumper
Diversity Table A7
C1
1V / div DC
500us / div
C2
1V / div DC
500us / div
C4
2V / div DC
200us / div
C5
2V / div DC
200us / div