Table of Contents
Advertisement
GRUNDIG Service
Hauptplatte / Main Board – HDMI
HDM I1_P ULLU P
3V _S B
3.3V
HDMI INPUT_3
FCC SIDE HDMI
Connector
C184
C184
0.1uF_603
0.1uF_603
R206
R206
CON6
CON6
47K _DNS
47K _DNS
23
GN D
22
ST BY_3V 3
V18A
21
ST BY_5V
20
HP D3
ST BY_1V 8
19
GN D
RX 5V 3_DDC_ SC L
18
SC L
RX 5V 3_DDC_ SD A
17
SD A
16
GN D
HDM I3_R X2 +
15
RX 2+
HDM I3_R X2 -
14
RX 2-
13
GN D
HDM I3_R X1 +
12
RX 1+
11
HDM I3_R X1 -
RX 1-
10
GN D
HDM I3_R X0 +
9
RX 0+
HDM I3_R X0 -
8
RX 0-
7
GN D
HDM I3_R XC +
6
CL K+
HDM I3_R XC -
5
CL K-
4
HDM I_DE T
3
CE C
2
SD A_ 3V 3
1
SC L_3V 3
R630
R630
24
0_603
0_603
GN D
R628
R628
0_DNS _603
0_DNS _603
HDM I_D5 MM_ FFC _0
HDM I_D5 MM_ FFC _0
HV CC3
9
0
HDMI Switch for HDMI_1/2/3
HDM I1_R X0 -
HDM I2_R X0 -
HDM I1_R X0 +
HDM I2_R X0 +
HDM I1_R X1 -
HDM I2_R X1 -
HDM I1_R X1 +
HDM I2_R X1 +
HDM I1_R X2 -
HDM I2_R X2 -
HDM I1_R X2 +
HDM I2_R X2 +
HDM I1_R XC -
HDM I2_R XC -
HDM I1_R XC +
HDM I2_R XC +
RX 5V 1_DDC_ SD A
HDM I1_5V IN
RX 5V 1_DDC_ SC L
HDM I2_5V IN
RX 5V 2_DDC_ SD A
HDM I3_5V IN
RX 5V 2_DDC_ SC L
RX 5V 3_DDC_ SD A
HDM I_SW OU T_ 5V IN
RX 5V 3_DDC_ SC L
HDM I2_5 VIN
HP D2_O
HDM I3_5V IN
HP D3_O
PS 301_V CC
PS 301_V CC
R 213
R 213
R214
R214
47K
47K
47 K
47 K
HDM I_SW OU T_ SD A
HDM I_SW _S DA
HDM I_SW OU T_ SC L
HDM I_SW _S CL
3.3V
3V _S B
R615
R615
R616
R616
PS 301_ VC C
0_603
0_603
0_DNS _603
0_DNS _603
L6
L6
150_Ohm _600m A
150_Ohm _600m A
C191
C191
C192
C192
10uF
10uF
HDM I3_5V IN
HV CC3
D1 2
D1 2
1
3
2
CM PSH -3C
CM PSH -3C
R209 1K _603
R209 1K _603
HP D3_O
56
55
RX 5V 3_DDC_ SC L
RX 5V 3_DDC_ SD A
CE C_RM T
MCU_ SD A_ SIDE
MCU_ SC L_S ID E
%
HDM I3_R X0 -
HDM I3_R X0 +
HDM I3_R X1 -
HDM I3_R X1 +
HDM I3_R X2 -
HDM I3_R X2 +
HDM I3_R XC -
C185
C185
HDM I3_R XC +
2.2uF
2.2uF
R680
R680
0_603
0_603
PS 301_V CC
R215
R215
36K
36K
61
VCC/ PO W2
62
HP D2
RX 5V 2_DDC_ SD A
63
SD A2
RX 5V 2_DDC_ SC L
64
SC L2
ED ID _B RG_E N
65
GND/ ED ID _B RG_E N
66
GN D
HDM I2_R XC -
67
B2 1
HDM I2_R XC +
68
A2 1
69
VC C
HDM I2_R X0 -
70
B2 2
HDM I2_R X0 +
71
A2 2
72
GN D
HDM I2_R X1 -
73
B2 3
HDM I2_R X1 +
74
A2 3
75
VC C
HDM I2_R X2 -
76
B2 4
HDM I2_R X2 +
77
A2 4
78
GN D
R217
R217
36K
36K
79
VCC/ PO W1
80
HP D1
R220
R220
PS 301_V CC
4.7K _603
4.7K _603
ED ID _B RG_E N
R223
R223
0_DNS _603
0_DNS _603
PS301 power
C186
C186
C187
C187
C188
C188
C189
C189
C190
C190
HDM I3_R XC -
HDM I3_R XC -
HDM I3_R XC +
HDM I3_R XC +
HDM I3_R X0 -
HDM I3_R X0 -
HDM I3_R X0 +
HDM I3_R X0 +
HDM I3_R X1 -
HDM I3_R X1 -
HDM I3_R X1 +
HDM I3_R X1 +
HDM I3_R X2 -
HDM I3_R X2 -
HDM I3_R X2 +
HDM I3_R X2 +
HV CC3
5V _S B
R565
R565
R566
R566
0_603
0_603
0_DNS _603
0_DNS _603
R204
R204
R205
R205
2.7K
2.7K
2.7K
2.7K
RX 5V 3_DDC_ SC L
RX 5V 3_DDC_ SD A
DM 33
DM 33
DM 34
DM 34
ESD
ESD
ESD
ESD
^
HDMI3_5VIN
HDM I2_5V IN
1
PS3 01_V CC
HDM I1_5V IN
2
HDM I3_5V IN
HDM I_5V _OUT
R212
R212
HDMI3_5VIN
HP D_ SINK
SD A_ SINK
SC L_S IN K
GND/ I2C_CT L_ EN
GN D
Z1
Y1
VC C
Z2
Y2
GN D
Z3
Y3
VC C
Z4
Y4
GN D
S3 /I2C_A DDR
S2 /SCL_C TL
S1 /SDA _C TL
PS 301_ VC C
R222
R222
510
510
R225
R225
4.7K _DNS _603
4.7K _DNS _603
PC 1
26
+
=
55
56
Mode: HDMI
D1 3
D1 3
C MPSH -3C_DNS
C MPSH -3C_DNS
D1 4
D1 4
C MPSH -3C_DNS
C MPSH -3C_DNS
3
1
HDM I_SW OU T_ 5V IN
3
2
PS 301_ VC C
1
2
HP D1_O
D2 5
D2 5
1N4148 W
1N4148 W
36K
36K
HDM I1_5V IN
PS 301_ I2C_A DDR
U2 1
U2 1
PS 321B TQ FP80G-G P
PS 321B TQ FP80G-G P
I2C SLV ADDR=0 -> 9C/9D (Default)
PS 301_ VC C
I2C SLV ADDR=1 -> BC/BD
40
HDM I_SW OU T_ SD A
39
HDM I_SW OU T_ SC L
38
I2C_CT L_E N
37
36
HDM I_SW OU T_ RX C-
35
HDM I_SW OU T_ RX C-
HDM I_SW OU T_ RX C+
34
HDM I_SW OU T_ RX C+
33
HDM I_SW OU T_ RX 0-
32
HDM I_SW OU T_ RX 0-
HDM I_SW OU T_ RX 0+
31
HDM I_SW OU T_ RX 0+
30
HDM I_SW OU T_ RX 1-
29
HDM I_SW OU T_ RX 1-
HDM I_SW OU T_ RX 1+
28
HDM I_SW OU T_ RX 1+
27
HDM I_SW OU T_ RX 2-
26
HDM I_SW OU T_ RX 2-
HDM I_SW OU T_ RX 2+
25
HDM I_SW OU T_ RX 2+
24
PS 301_ I2C_A DDR
23
R218
R218
100
100
22
SC L_M ST 1
R219
R219
100
100
21
SD A_ MS T1
9
100_DNS
100_DNS
R271
R271
MCU_ SC L
R272
R272
MCU_ SD A
10
100_DNS
100_DNS
I2C_CT L_E N
1: USE I2C BUS TO SWITCH
0: USE GOIP PINS TO SWITCH
Chassis SR
Mode: HDMI
R211
R211
4.7K _DNS _603
4.7K _DNS _603
R216
R216
10K _603
10K _603
HDM I_HP D
55
56
15
16
PS3 01_ VC C
R221
R221
4.7K _60 3
4.7K _60 3
R224
R224
0_DNS _603
0_DNS _603
Advertisement
Table of Contents
