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DVD723 30451-Front Board: Display Panel
1
2
3
DISPLAY PANEL
D-4
A
I162
I163
S1
B
500mV/div DC
10V/div DC
1V/div DC
10µs/div
10µs/div
50µs/div
C
FROM 0201 of PSU
3101
+5Vstb
4R7
-32V
-32V
1114
D
6102
-32V
+5.2V stb
1
-32V
+12V
2
BZM55-C3V9
+12V
-20V
GND
3
-20V
-32V
4
VKK
-32V
6101
440053
-32V
VFIL_DC
PDZ-6.2B
-32V
E
-32V
-30V
-32V
VKK
F
G
+5Vstb
1
RT-01T
1103
*
H
2126
STANDBY BOARD
1200
1116
STBKEY+
I
1
D-2
STBKEY-
2
D-1
440053
*
Optional
V DC vtg measured in STOP-MODE
1
2
3
Electrical Diagrams
DVD 723-743
4
5
6
3103
3105
FIL2
4R7
2R2
45
44
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
FTD DISPLAY
11-MT-126GNK
INFO : FIL1 - FIL2
1113
= 3.5 Vac RMS
P12
65
P90
I/O PORT 8
P11
66
P91
P10
67
P92
VFT DRIVER CIRCUIT
P9
68
P93
P8
69
P94
P7
70
P95
PROGRAM
P6
71
P96
COUNTER
P5
72
P97
P4
73
PD0
P3
74
PD1
P2
75
PD2
P1
76
PD3
SERIAL
INTERFACES
77
PD4
-32V
78
VKK
VKK
79
P00
VSS
CLOCK/TIMING CONTROLLER
(I/O PORT 2)
80
P01
I/O PORT 0
S1
3175
MICRO+
1117
10K
3176
MICRO-
10K
7108
5V
1K
BC847B
0V
3186
3183
10K
4u7
0V
7110
TSOP2236
CTRL
INP
CIRCUIT
BAND
AGC
DEM
PIN
PASS
{FIL1,FIL2,IN_P50,OUT_P50,STBKEY+,STBKEY-}
4
5
6
7.
54
7
8
9
3107
3108
FIL1
D-3
4R7
2R2
D-6
IN_P50
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
2
1
OUT_P50
D-5
STBKEY+
D-2
STBKEY-
D-1
+5Vstb
-34V
-34V
2132
5V
VDD
40
I/O PORT 7
I/O PORT 6
33n
VAREF
39
VDD
0V
VASS
38
8 BIT A/D-
CONVERTER
0V
P53
37
1V6
P52
36
P51
35
PROGR MEMORY
DATA MEMORY
1V6
P50
34
(ROM)
(RAM)
3159
5V
P47
33
4K7
5V
P46
32
INTERRUPT CONTROLLER
5V
P45
31
5V
P44
30
5V
P43
29
16 BIT
8 BIT
TIMER/COUNTER
TIMER/COUNTER
5V
P42
28
5V
P41
27
5V
P40
26
P32
25
I/O PORT 1
I/O P3
7113
TMP87CH74
+5Vstb
3100
10K
3106
10K
For EUROPE MODELS
BAS316
+5Vstb
6105
3181
3182
10R
4K7
IN_P50
D-6
+5Vstb
1112
PKM
OUT_P50
D-5
2105
I162
100u
D-3
FIL1
33n
3109
VS
2
220R
2116
OUT
1
FIL2
D-4
GND
3
7
8
9
10
11
12
13
+5Vstb
For models with P50 only
3160
22K
3162
47K
6100
BAS316
2131
5V
220p
3163
7101
0V
BC847B
P50
100K
interface
0V
to scart
1100
1110
1102
Next
#PICTURE
#OPEN / CLOSE
1105
OPEN / CLOSE
1106
1107
1108
PLAY
STOP
PICTURE
1101
PREV
3104
+5Vstb
3K3
3178
10R
3180
10R
3174
4K7
3184
3185
+12V
330R
330R
12V5
7105
BC337-25
2124
5V3
5V3
3187
22u
VFIL_DC
470R
BC327-25
7107
3190
7106
BC847B
2129
470R
22u
10
11
12
13
1100 C11
14
1101 E12
1102 C12
1103 G1
1105 D12
1106 D11
1107 D11
1108 D12
1110 C11
1112 H7
1113 B5
1114 D1
A
1115 F14
1116 I1
1117 G6
2105 I7
2106 D2
2116 I8
2123 H11
scart PIN 10
2124 I11
P50
2126 H3
2129 I11
2130 A12
2131 A13
B
2132 D9
2133 E2
2134 F4
2135 G12
2136 G12
2137 H11
2138 I14
2139 H6
2140 H5
2141 H7
3100 G7
C
3101 D2
3102 F12
3103 A4
3104 F12
3105 A4
3106 G7
3107 A8
3108 A8
3109 I7
3159 E10
3160 A12
3161 A13
D
3162 A12
3163 B12
3164 B13
3165 C12
3166 C13
3167 C13
3168 C13
3169 C11
3170 C12
3171 C14
3172 E2
E
3173 C10
3174 G10
3175 G3
3176 G3
3178 F12
3180 G11
FROM 1102 of
3181 G9
3182 H7
AV BOARD
3183 H6
3184 H12
3185 H13
3186 H4
1115
F
3187 I11
SCL
1
3188 I14
GND
2
3189 H4
3190 I11
SCA
3
3191 I14
6100 A13
Stdby_Ctrl
4
6101 E2
P50
6102 D2
5
6104 H4
6105 G7
440053
7101 B13
7105 H12
G
7106 I12
7107 I13
7108 H5
7110 I6
7113 F9
I163
H
2138
22p
I
0V5
3188
4K7
3191
10K
CL 25632039_005.eps
260302
14
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