GRUNDIG Service
AMIRA 45
2 - 9
/BKLT_EN
A15
A[0..18]
A16
SDA
A17
A13
GPIO0
Backlight Brightness
Backlight ON
A14
LED_RED
KEY_DRL
/PSEN
KEY_PMU
SCL
BKLT_EN
A18
XTAL2
IR
/PSEN
D5
D1
D7
D5
D4
D6
D0
D3
D4
D1
D2
D0
D6
D2
D3
D7
/IRQ
XTAL1
/BKLT_EN
LED_GRN
/RESET
D[0..7]
HDATA1
HDATA3
HFS/SDA
HCLK/SCL
SDA
SCL
HDATA0
/IRQ
HFS/SDA
HCLK/SCL
HDATA2
HDATA3
HDATA1
HDATA2
HDATA0
C519
0.1uF
C520
0.1uF
R509
10K
R500
3.3K
R506
2.2K
C516
22uF
10V
C518
0.1uF
Q504
BC848B
C502
33pF
R502
3.3K
C503
0.1uF
X500
6MHz
C501
33pF
A0
1
A1
2
A2
3
VSS
4
SI
5
SCK
6
WP
7
VCC
8
U506
M24C16-RMN1T
R508
10K
VCC
2
RSTN
1
GND
3
U500
DS1818B
C517
0.1uF
/IRQ
HCLK
/RESET
HFS
LVDS_EN
GPIO[0..7]
HDATA[0..3]
SDA
SCL
GND
GND
3.3V_M
3.3V_M
A2.5V_M
GND
GND
4V
0.6V
+5V_M
GND
GND
GND
D2.5V_M
GND
GND
3.3V_M
D3.3V_M
GND
+12V
GND
GND
D3.3V_M
D3.3V_M
D2.5V_M
A2.5V_M
D3.3V_M
GND
GND
3.3V_M
GND
GND
Reset
C i r c u i t
Keypad Connector
P1.0
44
P1.3
47
P1.6
50
P1.1
45
P1.4
48
A7
74
A6
76
A5
78
A4
80
A3
82
A2
2
A1
3
A0
5
P0.1
18
P0.0
17
P4.3
52
BLANK/COR
61
CVBS
25
HS/SC
32
P4.7/VS/OE
33
XTAL2
54
XTAL1
55
RST
53
A15
67
A14
71
A13
73
A12
72
A11
79
A10
83
A9
77
A8
75
D7
4
D6
6
D4
10
D1
9
D2
11
D5
8
VDD2.5
68
VDD2.5
14
VDD
A2.5
57
VDD
A2.5
26
VDD3.3
16
VDD3.3
70
VDD3.3
43
VDD3.3
1
VSSA
27
VSSA
56
VSS
15
VSS
42
VSS
69
VSS
84
P3.0
34
P3.1
35
P3.2
36
P3.3
37
P3.4
38
P3.5
39
P3.7
41
P4.2
51
PSEN
81
XROM
13
D0
7
P0.7
24
P3.6
40
P1.7
62
A19/P4.4
63
A18/P4.1
64
A17/P4.0
66
A16
65
D3
12
P0.2
19
P0.3
20
P0.4
21
P0.5
22
P0.6
23
P1.2
46
P1.5
49
P2.0
28
P2.1
29
P2.2
30
P2.3
31
R
58
G
59
B
60
U501
SDA5550
SC1_St
SC1_FBL
IR
KEY_DRL
KEY_PMU
/RAMRD
/RAMWR
O_VS
CVBS_Out
O_HS
OSD_R
OSD_G
OSD_B
A0
20
A1
19
A2
18
A3
17
A4
16
A5
15
A6
14
A7
13
A8
3
A9
2
A10
31
A11
1
A12
12
A13
4
A14
5
A15
11
A16
10
CE
30
OE
32
WE
7
DQ0
21
DQ1
22
DQ2
23
DQ3
25
DQ4
26
DQ5
27
DQ6
28
DQ7
29
VCC
8
VSS
24
A17
6
A18
9
U505
29LV040
A0
20
A1
19
A2
18
A3
17
A4
16
A5
15
A6
14
A7
13
A8
3
A9
2
A10
31
A11
1
A12
12
A13
4
A14
11
A15
7
A16
10
CS1
30
OE
32
WE
5
IO1
21
IO2
22
IO3
23
IO4
25
IO5
26
IO6
27
IO7
28
IO8
29
VCC
8
VSS
24
NC
9
CS2
6
U502
K6T1008V2E-TB
A12
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
D0
D1
D2
D3
D4
D5
D6
D7
/RAMRD
/RAMWR
SOT223
C507
22uF
22uF/10V
L500
FERRIT BEAD
C505
22uF
22uF/10V
C504
22uF
22uF/10V
C508
22uF
22uF/10V
L501
FERRIT BEAD
SOT223
3.3V_M
2.5V_M
+5V_M
GND
GND
GND
GND
GND
GND
L502
FERRIT BEAD
L503
FERRIT BEAD
L504
FERRIT BEAD
C511
0.1uF
C512
0.1uF
C514
0.1uF
C515
0.1uF
C510
22uF
C513
22uF
C506
0.1uF
C509
0.1uF
3.3V_M
D3.3V_M
OSD_FBL
Q502
BC848B
R503
10K
R501
1K
GND
D500
BAS40-05
SC2_St
/SC1_FBL
C500
0.1uF
R504
4.7K
1
TP500
EVCC
1
TP502
EVSS
1
TP503
ESDA
1
TP501
ESCL
LED_GRN
LED_RED
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO0
HDATA[0..3]
GPIO[0..7]
A17
Q501
2N7002
Q500
2N7002
D3.3V_M
D501
BAS40
3.3V_M
/STDBY
/STDBY
ON/OFF
2
VIN
1
VOUT
3
GND
4
U503
MC33375ST-2.5
ON/OFF
2
VIN
1
VOUT
3
GND
4
U504
MC33375ST-3.3
PNL_EN
PNL_EN
PNL_EN
SCL5V
SDA5V
SC2_St
SC1_St
SC1_FBL
1
2
3
4
5
6
7
8
RN501
10K
1
2
3
4
5
6
7
8
RN500
10K
R507
10K
R505
10K
Q503
BC848B
GND
+5V
MSRES
1
2
3
4
5
6
7
8
9
10
11
12
CN502
53398-1290
Q505
BC848B
Q506
BC848B
Q507
BC848B
R512
470R
R515
470R
R518
470R
R510
100R
R513
100R
R516
100R
R511
47R
R514
47R
R517
47R
GND
GND
GND
+5V
+5V
+5V
R519
1K
R520
1K
D2.5V_M
1
2
3
4
5
6
7
CN501
B7B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
CN503
HEADER2X16
A18
A16
A17
A14
A12
A11
A9
A8
A13
WE
A7
A15
A6
A5
A4
/PSEN
A3
A10
A2
A1
D7
A0
D6
D0
D5
D1
D4
D2
/RST
GND
D3
/RST
R521
1K
WE
R526
1K
R527
100R
R525
47R
C525
4.7nF
GND
Service connector_Flash programing
C526
0.1uF
GND
D2.5V_M
L508 FERRIT BEAD
L509
FERRIT BEAD
MUTE
C528
1UF/10V
MICRO
BacklightConnector
6
6
5
11
9 10
8
4
2
15 16 19
5
3
7
Hauptplatte – Prozessor / Main Board – Processor
