GRUNDIG Service
Chassis KY
2 - 12
Chassisplatte / Chassis Board – HDMI
R727
220R
For CEC Leakage Protect
RX2+
1
GND2
2
RX2-
3
RX1+
4
GND1
5
RX1-
6
RX0+
7
GND0
8
RX0-
9
CLK+
10
GND_CLK
11
CLK-
12
CEC
13
N.C.
14
SCL
15
SDA
16
CEC_GND
17
5V
18
HP_DETECT
19
GN
D
20
GN
D
21
GN
D
22
GN
D
23
S702
HDMI 2
R723
1k
R724
10K
R703
10K
R702
1K
C703
100nF
3
1
2
D702
BAT54CW
VCC5V
C706
100nF
3
1
2
D717
BAT54CW
VCC5V
TP74
TP102
TP103
TP75
C704
100nF
I2C address at A0
3
1
2
D707
BAT54CW
VCC5V
TP83
TP86
R709
100K
R710
NC
EDID_WP
CH1-
1
CH1+
2
GND
3
CH2-
4
CH1+
5
NC
6
NC
7
GND
8
NC
9
NC
10
D706
NC
CH1-
1
CH1+
2
GND
3
CH2-
4
CH1+
5
NC
6
NC
7
GND
8
NC
9
NC
10
D705
NC
CH1-
1
CH1+
2
GND
3
CH2-
4
CH1+
5
NC
6
NC
7
GND
8
NC
9
NC
10
D718
NC
CH1-
1
CH1+
2
GND
3
CH2-
4
CH1+
5
NC
6
NC
7
GND
8
NC
9
NC
10
D716
NC
CH1-
1
CH1+
2
GND
3
CH2-
4
CH1+
5
NC
6
NC
7
GND
8
NC
9
NC
10
D703
NC
CH1-
1
CH1+
2
GND
3
CH2-
4
CH1+
5
NC
6
NC
7
GND
8
NC
9
NC
10
D701
NC
C705
100nF
I2C address at A0
3
1
2
D712
BAT54CW
VCC5V
TP95
TP96
I2C address at A0
I2C address at A0
R719
1K
CH1-
1
CH1+
2
GND
3
CH2-
4
CH1+
5
NC
6
NC
7
GND
8
NC
9
NC
10
D713
NC
CH1-
1
CH1+
2
GND
3
CH2-
4
CH1+
5
NC
6
NC
7
GND
8
NC
9
NC
10
D711
NC
CH1-
1
CH1+
2
GND
3
CH2-
4
CH1+
5
NC
6
NC
7
GND
8
NC
9
NC
10
D700
NC
D704
NC
D709
NC
D714
NC
D719
NC
CH1-
1
CH1+
2
GND
3
CH2-
4
CH1+
5
NC
6
NC
7
GND
8
NC
9
NC
10
D708
NC
CH1-
1
CH1+
2
GND
3
CH2-
4
CH1+
5
NC
6
NC
7
GND
8
NC
9
NC
10
D710
NC
CH1-
1
CH1+
2
GND
3
CH2-
4
CH1+
5
NC
6
NC
7
GND
8
NC
9
NC
10
D715
NC
TP68
TP78
TP79
TP91
TP92
TP99
TP100
1
3
2
T704
NC
1
3
2
T706
BC847B
1
3
2
T705
BC847BWT1 G
1
3
2
T700
BC847B
R714
NC
R725
47K
R721
47K
R706 47K
HDMI1-HPDIN
HDMI3-HPDIN
HDMI2-HPDIN
1
3
5
7
2
4
6
8
R716
4.7K
1
3
5
7
2
4
6
8
R726
4.7K
1
3
5
7
2
4
6
8
R722
4.7K
1
3
5
7
2
4
6
8
R707
4.7K
EE_WP1
EE_WP2
EE_WP3
EE_WP0
SCL
1
GND
2
SDA
3
VCC
4
WP
5
IC701
CAT24C02TDI-GT3A
SCL
1
GND
2
SDA
3
VCC
4
WP
5
IC702
CAT24C02TDI-GT3A
SCL
1
GND
2
SDA
3
VCC
4
WP
5
IC703
CAT24C02TDI-GT3A
SCL
1
GND
2
SDA
3
VCC
4
WP
5
IC704
CAT24C02TDI-GT3A
TP76
TP88
TP97
TP104
TP77
2
1
6
T703B
2
1
6
T702B
BC847BDW1T1
5
4
3
T701A
BC847BDW1T1
5
4
3
T702A
2
1
6
T701B
1
3
5
7
2
4
6
8
R711
100K
R708
10K
VCC3V3
EE_WP0
EE_WP1
EE_WP3
EE_WP2
EE_WP5
5
4
3
T703A
BC847BDW1T1
EDID_WP
1
3
5
7
2
4
6
8
R713
100K
EE_WP5
TP90
TP98
TP105
TP81
TP108
HDMI2-RX1_P
HDMI2-RX2_N
HDMI2-RX1_N
HDMI2-RX2_P
HDMI2-RX0_N
HDMI2-RX0_P
HDMI2-CLK_N
HDMI2-CLK_P
HDMI2-5V
HDMI2-SCL
HDMI2-SDA
HDMI2_HPDIN
HDMI2_CEC
HDMI2-RX1_P
HDMI2-RX2_N
HDMI2-RX1_N
HDMI2-CLK_N
HDMI2-CLK_P
HDMI2-5V
HDMI2-SCL
HDMI2-SDA
HDMI2-5V
HDMI2-SDA
HDMI2-SCL
HDMI2-CLK_N
HDMI2-CLK_P
HDMI2-RX0_N
HDMI2-RX0_P
HDMI2-RX0_N
HDMI2-RX0_P
HDMI2-RX1_N
HDMI2-RX1_P
HDMI2-RX2_P
HDMI2-RX2_P
HDMI2-RX2_N
HDMI2_HPDIN
HDMI2-5V
HDMI2-5V
HDMI2-SCL
HDMI2-SDA
HDMI3-5V
HDMI3-SCL
HDMI3-SDA
HDMI3_HPDIN
HDMI3-5V
HDMI3-5V
HDMI3_HPDIN
HDMI3-SCL
HDMI3-SDA
HDMI3-5V
HDMI3-RX1_P
HDMI3-RX2_N
HDMI3-RX1_N
HDMI3-RX2_P
HDMI3-RX0_N
HDMI3-RX0_P
HDMI3-CLK_N
HDMI3-CLK_P
HDMI3-5V
HDMI3-SCL
HDMI3-SDA
HDMI3_HPDIN
HDMI3-RX1_P
HDMI3-RX2_N
HDMI3-RX1_N
HDMI3-RX2_P
HDMI3-RX0_N
HDMI3-RX0_P
HDMI3-CLK_N
HDMI3-CLK_P
HDMI3-5V
HDMI3-SCL
HDMI3-SDA
HDMI3_HPDIN
HDMI4-5V
HDMI4-SCL
HDMI4-SDA
HDMI4_HPDIN
HDMI4-5V
HDMI4-SCL
HDMI4-SDA
HDMI4_HPDIN
HDMI3-RX1_P
HDMI3-RX2_N
HDMI3-RX1_N
HDMI3-RX2_P
HDMI3-RX0_N
HDMI3-RX0_P
HDMI3-CLK_N
HDMI3-CLK_P
HDMI1-5V
HDMI1-SCL
HDMI1-SDA
HDMI1_HPDIN
HDMI1-5V
HDMI1_HPDIN
HDMI1-5V
HDMI1-SDA
HDMI1-SCL
HDMI1-RX1_P
HDMI1-RX2_N
HDMI1-RX1_N
HDMI1-RX2_P
HDMI1-RX0_N
HDMI1-RX0_P
HDMI1-CLK_N
HDMI1-CLK_P
HDMI1-CLK_N
HDMI1-CLK_P
HDMI1-RX0_N
HDMI1-RX0_P
HDMI1-RX1_N
HDMI1-RX1_P
HDMI1-RX2_N
HDMI1-RX2_P
HDMI1_HPDIN
HDMI1-5V
HDMI1-SDA
HDMI1-SCL
HDMI1-CLK_N
HDMI1-CLK_P
HDMI1-RX0_N
HDMI1-RX0_P
HDMI1-RX1_N
HDMI1-RX1_P
HDMI1-RX2_N
HDMI1-RX2_P
HDMI1-5V
HDMI1_HPDIN
HDMI1-5V
HDMI1-SCL
HDMI1-SDA
HDMI2-5V
HDMI4-5V
HDMI4-5V
HDMI4-5V
HDMI4-5V
FHD4-SDA
FHD4-SCL
HDMI-CEC
HDMI2-CLK_N
HDMI2-CLK_P
HDMI2-RX0_N
HDMI2-RX0_P
HDMI2-RX1_N
HDMI2-RX1_P
HDMI3-RX0_P
HDMI3-RX0_N
HDMI2-RX2_P
HDMI2-RX2_N
HDMI3-RX1_N
HDMI3-RX1_P
HDMI3-RX2_N
HDMI3-RX2_P
HDMI3-CLK_N
HDMI3-CLK_P
HDMI1-CLK_N
HDMI1-RX1_N
HDMI1-CLK_P
HDMI1-RX1_P
HDMI1-RX0_N
HDMI1-RX2_N
HDMI1-RX0_P
HDMI1-RX2_P
FHD4-CLK_N
FHD4-RX1_N
FHD4-CLK_P
FHD4-RX1_P
FHD4-RX0_N
FHD4-RX2_N
FHD4-RX0_P
FHD4-RX2_P
HDMI2_CEC
HDMI2_CEC
HDMI2_CEC
HDMI-ARC
HDMI2
HDMI2-SCL
HDMI2-SDA
HDMI2-RX0_N
HDMI2-RX0_P
HDMI2-RX1_N
HDMI2-RX1_P
HDMI2-RX2_N
HDMI2-RX2_P
HDMI2-CLK_N
HDMI2-CLK_P
HDMI2-SDA
HDMI2-SCL
HDMI2-HPDIN
HDMI2
HDMI2-HPDIN
HDMI3
HDMI3-SCL
HDMI3-SDA
HDMI3-RX0_N
HDMI3-RX0_P
HDMI3-RX1_N
HDMI3-RX1_P
HDMI3-RX2_N
HDMI3-RX2_P
HDMI3-CLK_N
HDMI3-CLK_P
HDMI3-SDA
HDMI3-SCL
HDMI3-HPDIN
HDMI3
HDMI3-HPDIN
FHD4
FHD4-SCL
FHD4-SDA
FHD4-RX0_N
FHD4-RX0_P
FHD4-RX1_N
FHD4-RX1_P
FHD4-RX2_N
FHD4-RX2_P
FHD4-CLK_N
FHD4-CLK_P
FHD4-SDA
FHD4-SCL
FHD4-HPDIN
FHD4
FHD4-HPDIN
HDMI1-SCL
HDMI1-SDA
HDMI1-HPDIN
HDMI1
HDMI1-RX0_N
HDMI1-RX0_P
HDMI1-RX1_N
HDMI1-RX1_P
HDMI1-RX2_N
HDMI1-RX2_P
HDMI1-CLK_N
HDMI1-CLK_P
HDMI1-SDA
HDMI1-SCL
HDMI1-HPDIN
HDMI1
1
3
5
7
2
4
6
8
R717
10K
HDMI2-5V
HDMI3-5V
1
3
5
7
2
4
6
8
R718
10K
HDMI1-5V
HDMI4-5V
TP82
TP94
RX2+
1
GND2
2
RX2-
3
RX1+
4
GND1
5
RX1-
6
RX0+
7
GND0
8
RX0-
9
CLK+
10
GND_CLK
11
CLK-
12
CEC
13
N.C.
14
SCL
15
SDA
16
CEC_GND
17
5V
18
HP_DETECT
19
GN
D
20
GN
D
21
GN
D
22
GN
D
23
S701
HDMI 4
RX2+
1
GND2
2
RX2-
3
RX1+
4
GND1
5
RX1-
6
RX0+
7
GND0
8
RX0-
9
CLK+
10
GND_CLK
11
CLK-
12
CEC
13
N.C.
14
SCL
15
SDA
16
CEC_GND
17
5V
18
HP_DETECT
19
GN
D
20
GN
D
21
GN
D
22
GN
D
23
S906
HDMI 1
RX2+
1
GND2
2
RX2-
3
RX1+
4
GND1
5
RX1-
6
RX0+
7
GND0
8
RX0-
9
CLK+
10
GND_CLK
11
CLK-
12
CEC
13
N.C.
14
SCL
15
SDA
16
CEC_GND
17
5V
18
HP_DETECT
19
GND
20
GN
D
21
GN
D
22
GN
D
23
S700
HDMI 3
C701
10uF 6.3V
HDMI3-5V
C700
100nF
MHL_VBUS_EN
R700
10R
AVDD5V_MHL
MHL_CABLE_DET
MHL-CABLE-DET
R704
0R
MHL-CABLE-DET
1
3
5
7
2
4
6
8
R705
100K
R701
100R
HDMI-ARC
HDMI3-DET
HDMI1-DET
HDMI4-DET
HDMI2-DET
HDMI_DET
HDMI1-DET
HDMI2-DET
HDMI3-DET
HDMI4-DET
HDMI_DET
HDMI3-DET
HDMI4-DET
HDMI1-DET
HDMI2-DET
MHL
MHL_VBUS_EN
AVDD5V_MHL
MHL_CABLE_DET
MHL
MHL_VBUS_EN
AVDD5V_MHL
MHL_CABLE_DET
ARC_CEC
HDMI-CEC
HDMI-ARC
ARC_CEC
HDMI-CEC
MHL
ARC
TP70
TP72
TP73
C702
47nF
TP106
TP69
TP71
TP80
TP101
TP84
TP85
TP87
TP89
R715
NC
AVDD5V_MHL
R712
33R
OUT
1
GND
2
FLT
3
EN
4
IN
5
IC700
TPS2530DBVR
R728
10K
TP107
+5V_USB
+5V2_ST
L700
L701 NC
R729
NC
R730
10R
AVDD5V_HDMI4
AVDD5V_MHL
AVDD5V_HDMI4
FHD4-CLK_N
FHD4-RX1_N
FHD4-CLK_P
FHD4-CLK_N
FHD4-CLK_P
FHD4-RX1_P
FHD4-RX0_N
FHD4-RX2_N
FHD4-RX0_P
FHD4-RX0_N
FHD4-RX0_P
FHD4-CLK_N
FHD4-CLK_P
FHD4-RX0_N
FHD4-RX0_P
FHD4-RX2_P
FHD4-RX1_N
FHD4-RX1_P
FHD4-RX2_N
FHD4-RX2_P
FHD4-RX1_N
FHD4-RX1_P
FHD4-RX2_N
FHD4-RX2_P
FHD4-SCL
FHD4-SDA
FHD4_HPDIN
FHD4_HPDIN
FHD4-HPDIN
R720
47K
R732
0R
R734
0R
3
1
2
D720
BAT54CW
R731
10R
1
3
2
4
D721
1
3
2
4
D722
FHD R719 100K
UHD R719 1K
FHD R729 33R
UHD R729 NC
FHD R730 10R, R731 NC
ORTAK D712 populated
UHD R730 NC, R731 10R, D720 populated
TP93
TP67
TP66
HDMI2_CEC
HDMI2_CEC
HDMI2_HPDIN
HDMI2_HPDIN
Charge
Pump
Driver
UVLO
Current
Limit
Thermal
Sense
8-ms
Deglitch
IN
GND
OUT
Current
Sense
OTSD
EN
FLT
TPS2530
CS