Grundig Planatron PW 110-520/9 PAL PLUS Service Manual page 66

Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Chassis Digital Teil 4 / Chassis Digital Part 4
CHASSIS DIGITAL (ROM)
29305-305.02
ST-VGA1
1
A
CR74079
CL74079 VIDEO
R 2
VGA
100
3
A
CR74080
CL74080 CHROMA
G
4
VGA
100
5
A
CL74081A CR74081
FBASTXT
B 6
VGA
100
A A A
U_STASI1 +5V/D
+4C (+5V)
+1 (+12V)
L74001
+4 +4A
4,7u
(+5V) M
U_STASI1
A
Spannungstabelle
Voltage table
+ 1 1 2 V
+ 2 5 V
+ 3 3,3V
+ 4 5 V
+ 5 5 V
+H 5 V
+M 2 0 V
+K 12,5V
+F 5 V
+G 16,5V
–G -16,5V
+Q 8,5V
+S 5 V Bei den in den Schaltplänen angegebenen Messwerten handelt es
sich um Näherungswerte!
+R 6,5V
The measured values given in the circuit diagrams are approximates!
+ECO 6,5V
3 - 97
Planatron PW 110-520/9 PALplus
+4C
CC74171
+4C
A
CC74181
0,1u
16
0,1u
CIC74170 16
CC74172
12 CIC74180
14 A 12
0,22u
13 11 14
CC74173
2 13 11
A
74HC4053
15 2
0,22u
74HC4053
1 10 15
CC74174
5 1 10
A
4 5
0,22u
3 9 4
3 9
A
6 7 8
6 7 8
A A
A
+4C
CC74191
A
0,1u
16
CIC74190
12
14
13 11
A
2
74HC4053
15
1 10
A
5
4
3 9
CC74096
A D74097
1N4148
0,1u
6 7 8
A
A
A A A
UWATCH_3V
8
14
CR74034
1 5
M Q D
10k
BC858B 2 3
CT74035 Q CLK
4
R
CIC74030
MC14013B
M
9
+5V/D
D 1
13 11
Q CLK
12 10
Q R
CR74042
M
8 6 7
4,7k
M
M M
BC858B
CT74040
+5V/D
M M M
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
A
+1
R
4
CC74182 CC74133
5
A
0,22u 0,1u
A
11
CC74183
0,22u
A G 6
CC74138
8
CC74184
A
0,1u
14
0,22u
A
B
9
CC74143
10
A
0,1u
CC74144
12
+4C A
0,1u
A
A
+4C
A
CT74090
BC848B
CR74093
1k
A
+1 +4A
A
C46005
CC46003 CC46004 A
10u/50V
M
180p 0,1u
CC46006
7 6 5
A
0,1u
CT46005
-
BC858B
CIC74050
+
LM393
10 4 5 3
A A
+
1
- CL46029
2
(9) (3) (4)
8
2 3 4
M 9
+4A/1
14
15
18
19
20
M M
46
+3 66
(+3,3V) SCL (49)
67
(37) (30)
SDA (50)
68 (31)
IICEN (51)
53 54 45 39
+4A/1
A
CC46027
A
33p
n.V.
A
22 23 4
+4A/1
1
VCC
CC46028
A
13
VCC 4MBitx4(HYB5116400J-60)=P-SOJ-26/24 (CIC46020)
0,1u o.1MBitx4(HYB514400BJ-60)=P-SOJ-26/20-1(CIC46021)
3 - 98
+1
CC74050
CT74050
A A A
0,1u
BC848B
CR74161 820
A
0 CR74164
1 28 23
+ 25
CT74060
+1
- 27 CR74162
CC74060
BC848B
A
A
24 82
2,4V 0,1u
+
REF
CR74163
26
-
220
CR74166 820
A
+ 20
0 CR74171
CR74168
- 22
A
19
82
+ +1
CT74070
CR74169
CLAMP 21
CC74070
-
BC848B
IC74130
A
220
1,4V
LM1203 0,1u
CR74172 820
+ 16
A
CR74177
- 18
0 CR74174
A
15
82
+
CONTRAST
17 CR74173
COMTROL
-
220
2 3 7 13
A
A A A
A A
CR74148
+1
10k
A
L46003
10u
CR46033 CR46043 CR46053
270 270 270
A
+4A/1
+
A
A
CR46012
A
33k
CC46008
A
A
1u
22 11 12 16 21 25 17 24 47 48 23 57 68 63 62 61 64
50
(46) (45) (44)
CC46022
6
(10) (13) (17) (14) (16)
(5) XOUT
(11) (15) 51
15p
52
TEXT
CC46023
7
(6) XIN
CIC46010
15p
44
SDA5273P_1MB
(36) VSS4
49
n.v. SDA5275P_4MB
(38) VSS3
55
68-PIN PLCC /DRUCK -730.12
(40) VSS2
58
(52 Pin PLCC/DRUCK -730.14)
(41) VSSA2
59
(42) RGB
60
(43) VSS1
(34) (33) (28) (18) (20) (22) (24)
13
(35) (32) (29) (27) (19) (21) (23) (25) (12) VSSA1 A
38 43 42 40 41 37 36 35 26 27 28 29 30 31 32 33 34 56 100k
A
CR46024
220n
A
CC46026
5 25 24 3 2 6 8 21 19 18 17 16 15 12 11 10 9
26
CIC46020 VSS
DYNAMIC RAM
w.w.
HYB5116400
14
VSS
A
Planatron PW 110-520/9 PALplus
L74063
3,3u
CR74062 CC74063
160
10p
A
A
A
L74073
3,3u
CC74073
CR74072
160 10p
A A
A
L74083
3,3u
CC74083
CR74082
160
10p
A A A
+4A/1
+4A/1
5
CR46057
1
A
A 4,7k
4
2
3
CIC46050
A
A
M
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
D0
D1
D2
D3
RAS
WE
CAS
A OE
CC46021
+4A/1
A
0,1u
GRUNDIG Service