Grundig Toronto 32-7830 T, Service Manual

Page: 54 / 95

GR
UNDIG Ser
vice
Chassis BL (LX pr
ime IDTV)
2 - 28
1st HDMI
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
20
21
22 23
S302
GND
GND
GND
GND
GND
GND
GND
GND
5V
1
3V
2
GND
3
D2+
4
TMDS_GND
5
NC
6
D1+
7
TMDS_GND
8
NC
9
D0+
10
TMDS_GND
11
NC
12
CK+
13
TMDS_GND
14
NC
15
CEC_IN
16
DDC_CLK_IN
17
DDC_DAT_IN
18
HOTPLUG_IN
19
HOTPLUG_OUT
20
DDC_DAT_OUT
21
DDC_CLK_OUT
22
CEC_OUT
23
CK-
24
TMDS_GND
25
NC
26
D0-
27
TMDS_GND
28
NC
29
D1-
30
TMDS_GND
31
NC
32
D2-
33
TMDS_GND
34
NC
35
GND
36
TMDS_BYP
37
NC
38
IC301
*/CM2021
C320
100N
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
1ST_H
1ST_HDMI_RX2-
1ST_HDMI_RX1-
1ST_H
1ST_H
1ST_HDMI_RX0-
1ST_H
1ST_HDMI_CLK-
1ST_HDMI_SDA
1ST_HDMI_SCL
1ST_H
1ST_HDMI_RX2-
1ST_HDMI_RX1-
1ST_H
1ST_H
1ST_HDMI_RX0-
1ST_H
1ST_HDMI_CLK-
1ST_HDMI_SDA_OUT
1ST_HDMI_SCL_OUT
+3.3V +5V
GND
GND
5V
1
3V
2
GND
3
D2+
4
TMDS_GND
5
NC
6
D1+
7
TMDS_GND
8
NC
9
D0+
10
TMDS_GND
11
NC
12
CK+
13
TMDS_GND
14
NC
15
CEC_IN
16
DDC_CLK_IN
17
DDC_DAT_IN
18
HOTPLUG_IN
19
HOTPLUG_OUT
20
DDC_DAT_OUT
21
DDC_CLK_OUT
22
CEC_OUT
23
CK-
24
TMDS_GND
25
NC
26
D0-
27
TMDS_GND
28
NC
29
D1-
30
TMDS_GND
31
NC
32
D2-
33
TMDS_GND
34
NC
35
GND
36
TMDS_BYP
37
NC
38
IC300
*/CM2021
C303 100N
GND
2nd HDMI
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
20
21
22 23
S301
GND
GND
GND
GND
GND
GND
GND
2ND_HDMI_SDA
2ND_HDMI_SCL 2ND_HDMI_SDA_OUT
2ND_HDMI_SCL_OUT
GND
GND
GND
GND
GND
GND
GND
GND
2ND_HDMI_CLK-
2ND_H
2ND_HDMI_RX0-
2ND_H
2ND_HDMI_RX1-
2ND_H
2ND_HDMI_RX2-
2ND_H
2ND_HDMI_CLK-
2ND_H
2ND_HDMI_RX0-
2ND_H
2ND_HDMI_RX1-
2ND_H
2ND_HDMI_RX2-
2ND_H
+3.3V +5V
R302
100R
R303 100R
HDMI_CEC
Tx2+
1
Tx2-
2
AG
ND
3
Tx1+
4
Tx1-
5
AV
CC1
8
6
Tx0+
7
Tx0-
8
AG
ND
9
TxC+
10
TxC-
11
EXTSWING
12
RESET#
13
LSDA/EPSEL[0]
14
LSCL/EPSEL[1]
15
HPD0
16
AV
CC1
8
17
R0XC-
18
R0XC+
19
AG
ND
20
R0X0-
21
R0X0+
22
AV
CC3
3
23
R0X1-
24
R0X1+
25
AG
ND
26
R0X2-
27
R0X2+
28
AV
CC1
8
29
DSDA0
30
DSCL0
31
RPWR0
32
DV
DD1
8
33
DG
ND
34
I2CSEL/INT
35
HPD1
36
AV
CC1
8
37
R1XC-
38
R1XC+
39
AG
ND
40
R1X0-
41
R1X0+
42
AV
CC3
3
43
R1X1-
44
R1X1+
45
AG
ND
46
R1X2-
47
R1X2+
48
AV
CC1
8
49
DSDA1
50
DSCL1
51
RPWR1
52
CEC_D
53
CEC_A
54
AV
CC3
3
55
HPD2
56
AV
CC1
8
57
RXC2-
58
RXC2+
59
AG
ND
60
R2X0-
61
R2X0+
62
AV
CC3
3
63
R2X1-
64
R2X1+
65
AG
ND
66
R2X2-
67
R2X2+
68
AV
CC1
8
69
DSDA2
70
DSCL2
71
RPWR2
72
DV
DD1
8
73
DG
ND
74
TE
ST
75
HPDIN
76
TSDA
77
TSCL
78
TPWR/I2CADDR
79
AG
ND
80
SIL 9185
IC302
SIL9185
GND GND GND
C319
10UF/25V
C311
10UF/25V
C304
10UF/25V
C313
100N
C314
100N
C315
100N
C316
100N
C317
100N
C318
100N C305
100N
C306
100N
C307
100N
C308
100N
C309
100N
C310
100N GND
GND
GND
+1.8V
+1.8V
470R%1
R300
+1.8V
3RD_HDMI_DET
3RD_HDMI_CLK-
3RD_H
3RD_HDMI_RX0-
3RD_H
3RD_HDMI_RX1-
3RD_H
3RD_HDMI_RX2-
3RD_H
3RD_HDMI_SDA
3RD_HDMI_SCL
3RD_HDMI_5V
1ST_H
1ST_HDMI_RX2-
1ST_HDMI_RX1-
1ST_H
1ST_H
1ST_HDMI_RX0-
1ST_H
1ST_HDMI_CLK-
2ND_HDMI_CLK-
2ND_H
2ND_HDMI_RX0-
2ND_H
2ND_HDMI_RX1-
2ND_H
2ND_HDMI_RX2-
2ND_H
2ND_HDMI_DET_OUT
2ND_HDMI_SDA_OUT
2ND_HDMI_SCL_OUT
2ND_HDMI_5V
1ST_HDMI_DET_OUT
1ST_HDMI_SDA_OUT
1ST_HDMI_SCL_OUT
1ST_HDMI_5V
HDMI_CEC
+3.3V
FB301
BK1608HM601
FB300
MBK1608H601
FB302
BK1608HM601
I2C_SCL
I2C_SDA
#RESET
I2C_SDA
I2C_SCL
TX2-
TXCLK+
TX0+
TX1-
TX2+
TX0-
TX1+
TXCLK-
SDA_HD
SCL_HD
HDMI_INT
PHY- D4
EDID -E 4
CEC- C4
R304
10k
R301
10k
+3.3V
R305
4.7K
HPDCTRL
GND
T300
BC847B
+3.3V
#RESET
3rd HDMI
3RD_HDMI_CLK-
3RD_HDMI_RX0-
3RD_HDMI_RX1-
3RD_HDMI_RX2-
GND
CEC_A
3RD_HDMI_DET
3RD_H
3RD_H
3RD_H
3RD_H
3RD_HDMI_SDA
3RD_HDMI_SCL
+3.3V
+5V
+1.8V
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
0
S300
GND
GND
C300
100N
C301
100N
C302
100N
GND
D
300
*/
BA
T5
4
*/
80k
2
R3
06
+3.3V
Op
ti
on
al
R307
10k
+3.3V
+3.3V
R309
4.7K R308
4.7K
R800 */0R
+3.3V
R
804
4K
7
R
805
4K
7
R
806
4K
7
R
802
4K
7
R8
01
4K
7
+5V
+3.3V
R
814
4K
7
R
815
4K
7
R
811
4K
7
R
812
4K
7
+5V
R807 0R
R808 0R
R809 0R
R810 0R
2ND_HDMI_SDA
2ND_HDMI_SCL
2ND_HDMI_SDA_OUT
2ND_HDMI_SCL_OUT
R803 */1K
R816 0R
R817 0R
R818 0R
1ST_HDMI_SDA
1ST_HDMI_SCL
1ST_HDMI_SDA_OUT
1ST_HDMI_SCL_OUT
R813 */1K
2ND_HDMI_5V
1ST_HDMI_5V
GND
2ND_HDMI_DET
CEC_A
CEC_AC EC_A_OUT
2ND_HDMI_DET2 ND_HDMI_DET_OUT
CEC_A
CEC_A_OUT
CEC_A_OUT
2ND_HDMI_DET_OUT
1ST_HDMI_DET_OUT
1ST_HDMI_DET_OUT 1ST_HDMI_DET
1ST_HDMI_DET
Hauptplatte – HDMI-Buchsen / Main Board – HDMI Sockets