Scart 1; Hdmi - Grundig Vision 4 40-4950 Service Manual

Chassis sf
Table of Contents

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Chassisplatte / Chassis Board – Scaler XZZ190R-5
3V3_AN
C10
100nF/25V
3V3
L1
L1
C9
600R Bead 0603
C3
100nF/25V
10uF/6.3V
1
RXB1-
RXB1N
2
RXB1+
RXB1P
3
GND_0
4
RXB2-
RXB2N
5
RXB2+
RXB2P
6
HPLUGB
HPLUGB
7
SDA_HDB
DDCDB_DA
8
SCL_HDB
DDCDB_CK
9
RXACLK-
RXACLKN
10
RXACLK+
RXACLKP
11
GND_1
12
RXA0-
RXA0N
13
RXA0+
RXA0P
14
3V3_AN
3V3_AVDD_0
15
RXA1-
RXA1N
C14
16
RXA1+
RXA1P
100nF/25V
17
GND_2
18
RXA2-
RXA2N
19
RXA2+
RXA2P
20
HPLUGA
HPLUGA
R48
21
3V3_AN
REXT
22
390RF/603
SDA_HDA
DDCDA_DA
23
SCL_HDA
DDCDA_CK
24
SC1_SLOWBLANK
HSYNC1 / FSSW0
25
SC1_FASTBLANK
VSYNC1 / FBLK1
26
VCLAMP
C19
100nF
27
REFP
28
C18
REFM
29
100nF
PB_IN
BIN1
30
SOY
C20
SOGIN1
31
Y_IN
GIN1
100nF
32
PR_IN
RIN1
C22
33
VCOM3
100nF
34
BIN_VGA
BIN0
C23
35
VCOM2
100nF
36
GIN_VGA
GIN0
37
SOG
SOGIN0
38
RIN_VGA
RIN0
39
3V3_AN
3V3_AVDD_1
40
GND_3
C24
41
HS_VGA
HSYNC0 / FSSW0
42
100nF/25V
VS_VGA
VSYNC0 / FBLK0
43
VSYNC2 / FBLK2
44
SC_BIN
BIN2
C25
45
SC1_CVBS
SOGIN2 / FSSW2
46
SC_GIN
GIN2
1nF/50V
47
SC_RIN
RIN2
48
SC2_CHROMA
C1/CVBS7
49
SC2_CVBS
Y1/CVBS6
50
SAV_C
C0/CVBS5
51
SAV_Y
Y0/CVBS4
52
SC1_CVBS
CVBS3
C48
53
MPEG_CVBS
CVBS2
54
100nF/50V
SAV_CVBS_IN
CVBS1
55
VCOM1
VCOM1
56
TUNER_CVBS
CVBS0
57
VCOM0
VCOM0
58
3V3_AN
3V3_AVDD_2
C30
59
SC2_CVBS_OUT_SCALER
CVBSOUT1
60
CVBSOUT0
100nF/25V
61
GND_4
L6
62
SIF_P
SIF0P
63
3V3
3V3_SIF
600R Bead 0603
64
SIF1P
C32
C33
100nF/25V
10uF/6.3V
D1
SIF_M
3V3_DIG
BAV70
C42
100nF/25V
C35
U3
3
M24C32
100nF/25V
1
8
C36
A0
VCC
2
7
A1
/WP
4
SCL_MAIN
3
6
10uF/25V
A2
SCL
SDA_MAIN
4
5
C37
GND
SDA
1uF/10V
C38
4.7uF/16V
L7
600R Bead
12
USB_POWEN
C2
C4
Y1
20pF/50V
20pF/50V
14.318MHz
1V2_MVDD
R1
1M
C5
100nF/25V

HDMI

U1
YPbPr
MST6998DLD-3
VGA

SCART 1

SCART2+SIDE AV
C41
C40
100nF/25V
C39
100nF/25V
100nF
3V3_DIG
R74
C43
10uF/6.3V
0R
C44
100nF/25V
1V2_MVDD
3V3
13
3V3_DIG
3V3_DIG
C8
C7
100nF/25V
100nF/25V
C6
100nF/25V
C12
100nF/25V
192
PWM3 / CONFIG3
191
PWM2 / CONFIG2
190
USB_CID
LVDS
189
USB_DP
188
USB_DM
187
USB_VBUS
186
GPIO_B6
185
1V2_VDD
184
GND_12
183
3V3_IO
182
IR_IN
181
INT
R36
180
DDCA_CK / GPIO
VGA+DEBUG CON
179
R39
DDCA_DA / GPIOD10
178
R40
DDCR_CK / GPIOD9
R41
177
DDCA_DA / GPIOD8
PWM1
176
PWM1 / CONFIG1
PWM0
175
PWM0 / CONFIG0
174
SAR3 / GPIOD3
173
SAR2 / GPIOD2
172
SAR1 / GPIOD1
171
SAR0 / GPIOD0
170
SDO
R51
169
CSZ
FLASH
R52
168
SDI
167
R53
SCK
166
GND_11
165
3V3_IO
164
ALE
163
RDZ
162
WRZ
R54
161
AD7
160
AD6
159
AD5
158
AD4
157
AD3
156
AD2
155
AD1
154
AD0
153
DDR_A11
152
RN1
DDR_A10
A47R
151
DDR_A09
150
DDR_A08
149
1V2_VDD
148
GND_10
147
2V5_MEM
146
DDR_A07
145
RN2
DDR_A06
144
A47R
DDR_A05
143
DDR-RAM
DDR_A04
142
DDR_A03
141
RN3
DDR_A02
140
A47R
DDR_A01
139
DDR_A00
138
WE
137
CAS
136
3V3_MPLL
135
2V5_MEM
134
DDR-RAM
GND_9
133
RAS
R61
132
BA0
R62
131
BA1
130
R63
DDR_CK+
129
R64
DDR_CK-
3V3_DIG
C34
100nF
11
C45
C46
C47
100nF/25V
100nF/25V
100nF/25V
2V5_MDDR
2V5_MDDR
2V5_MDDR
1V2_MVDD
1V2
L2
600R
C11
Bead 1206
C1
100uF/16V
100nF/25V
3V3
3V3_DIG
L3
Mode Select
R35
R29
3V3_DIG
NC(10k)
4.7k
600R
C13
PWM1
PWM0
Bead 0603
10uF/25V
R37
R38
4.7k/603
NC(10k/603)
3V3_AN
L4
R47
3V3_DIG
R46
NC(10k)
10k
68R
C15
PWM3
PWM2
Bead 0603
100uF/16V
R49
R50
NC(10k/603)
10k/603
PWM3
PWM2
R28
0R/603
R31
0R
USB_DP
R32
0R
USB_DM
R76
1k
OTG_VBUS
R78
4.7k
RST_IDTV
1V2_MVDD
C16
3V3_DIG
R80
4.7k
100nF/25V
IR_IN
3V3_DIG
C17
USB_OCD
3
22R
100nF/25V
RXD
22R
TXD
SCL_MAIN
33R
SCL_MAIN
33R
SDA_MAIN
SDA_MAIN
R79
2.2k
33V_PWM
R42
10k
BCKL_ADJ
4
SC2_SLOWBLANK
KEY2(OPT)
KEY1
3V3_DIG
FLASH_SDO
47R
FLASH_CSA
47R
FLASH_SDI
47R
FLASH_CLK
3V3_DIG
DELAY
C21
MUTE_AUDIOAMP
100nF/25V
STBY
100R
FLASH_WP
CEC
BCKL_ON
3V3_DIG
LED2
LED1
8
7
DDR_A11
6
5
DDR_A10
4
3
DDR_A9
2
1
DDR_A8
1V2_MVDD
C26
2V5_MDDR
8
7
100nF/25V
DDR_A7
6
5
C27
DDR_A6
4
3
100nF/25V
DDR_A5
2
1
DDR_A4
8
7
DDR_A3
6
5
8
7
DDR_A2
4
3
RN15
6
5
A47R
DDR_A1
DDR_WE
2
1
4
3
DDR_A0
DDR_CAS
2
1
DDR_RAS
L5
600R Bead 0603
2V5_MDDR
C28
C29
100nF/25V
10uF/6.3V
47R
DDR_BA0
C31
47R
DDR_BA1
100nF/25V
0R
DDR_CLK+
0R
DDR_CLK-
14
3V3_DIG
5
U2
R65
NC(10k)
MAX810
MRST
3
2
R66
VCC
RESET
100R
3V3_SW
R67
25
10k
#RESET
R73
Q1
power on (trigger: 3V3_DIG)
BC847BL
10k
3
4
power on (trigger: 3V3_DIG)
5
@
3V3
#
$

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