Grundig SEDANCE 27, Service Manual

Page: 19 / 27

VIN1
72
VIN2
73
VIN4
75
CIN
71
VIN3
74
Y7
31
Y6
32
Y5
33
Y4
34
Y3
37
Y2
38
Y1
39
Y0
40
NC
61
NC
8
VRT
66
TEST
16
SCL
13
SDA
14
I2CSEL
67
XTAL2
63
XTAL1
62
RESQ
15
C7
41
C6
42
C5
43
C4
44
C3
47
C2
48
C1
49
C0
50
LLC2
27
LLC1
28
VS
57
MSY/HS
56
AVO
54
INTLC
53
V
S
U
P
C
A
P
9
VSUPAI
76
V
S
U
P
F
69
V
S
TB
Y
59
VSUPLLC
29
V
S
U
P
S
Y
52
V
S
U
P
C
45
V
S
U
P
Y
36
V
S
U
P
A
26
V
S
U
P
D
10
A
S
G
F
7
A
S
G
F
64
GNDD
11
GNDCAP
12
GNDP
A
25
GNDLLC
30
GNDY
35
GNDC
46
GNDS
Y
51
GNDF
65
ISGN
D
68
GNDA
I
77
AISGND
80
B1/CB1IN
1
G1/Y1IN
2
R1/CR1IN
3
B2/CB2IN
4
G2/Y2IN
5
R2/CR2IN
6
VGAV
17
YCOEQ
18
FFIE
19
FFWE
20
FFRSTW
21
FFRE
22
FFOE
23
CLK20
24
FSY/HC
55
FPDAT
58
CLK5
60
VOUT
70
VREF
78
FB1IN
79
U100
VPC3230D
C101
100N
C102
100N
C103
100N
C127
220P
GND
C104
100N C105
100N C106
100N C107
100N C108
100N C109
100N C110
100N C128
220P C126
100U16V
+3.3V
GND
RG100 47R
RG101 47R
YUV0
YUV1
YUV2
YUV3
YUV4
YUV5
YUV6
YUV7
YUV[0..7]
GND
GND
O_VS
O_HS
GND
GND
R108
100R
R109
100R
SCL5V
SDA5V
1
2
Y100
20.25MHz
GND
GND
C118
100N
R119
220R
GND
RESET
C117
100N GND
C140
47N
C139
47N
GND
GND
C116
100N
C114
100N
C112
100N
C115
100N
C113
100N
C111
100N
B_TXT
G_TXT
R_TXT
SC_B
SC_G
SC_R
FB_TXT
C100
10N
SVHS_Y
SVHS_C
SC2_IN_V
CVBS_IF
SC1_IN_V
J100
0R
R110
10K
GND
+5V
L100
10uH
C119
220N
C121
1N5
C135
390P
GND GND GND
C136
390P
C120
220N
C122
1N5
GND GND GND
C133
3P3
63V
C134
3P3
VCLK_INV
1
2
3
4
5
U101
GND
+3.3V
C141
100N
GND
VCLK_INV C142
22P
GND
VCLK
R113
100R
R114
100R
R115
10K
R116
10K
C124
10U
C123
10U
J102
0R
C143
10P
GND
L103
BK1608HM601
L102
10uH
+3.3V
C144
100N
C145
100U16V
+5V
C125
100U16V
C137
22U50V
R120
22R
R101
75R
Q100
BC848B
GND
GND GND
SC2_OUT_V
CVBS_TXT
L101
10uH
R121
22K
R117
22K
R111
1K
C147
2N2
R102
100R
R112
220R
YUV[0..7]
C129
220N
C130
220N
C131
220N
C132
220N
11
13
15
17
14
3
12
7
6
Hauptplatte – Video-Konverter / Main Board – Video Converter
power on (trigger: +12V)
3 3
switch on with RC (trigger: +5V)
6 7
! @
# $ % &
Mixer
CIN
VIN1
VIN2
VIN3
VIN4
VOUT
Adaptive
Comb
Filter
Color
Decoder
Output
Formatter
2D Scaler
PIP
Panorama
Mode
ITU-R 656
ITU-R 601
Memory
Control
Sync
+
Clock
Generation
AGC
2 × ADC
NTSC
PAL
NTSC
PAL
SECAM
CrCb
OUT
Y OUT
YCOE
FIFO
CNTL
H Sync
V Sync
AV O
I
2
C Bus 20.25 MHz
RGB/
YCrCb
FB
Y
Cb
Cr
Y
Cb
Cr
Y/G
U/B
Y
Cb
Cr
LL Clock
Saturation
Tint
Analog
Frontend
Contrast
Brightness
Peaking
Clock
Gen.
I
2
C Bus
V/R
FB FB
RGB/
YCrCb
Analog
Component
Front-End
VPC3230D
4 x ADC
Processing
Matrix
Contrast
Saturation
Brightness
Tint
GRUNDIG Service Chassis L5A-26 " …32 "
2 - 0