Netzteil - Grundig Toronto 32-7830 T Service Manual

GRUNDIG Service
IDTV-Platte – Netzteil / IDTV Board – Power Supply
POWER
U607
LD1117DTTR
458724R
5V_DVB
3 2
IN OUT 3V3_ASTBY
ADJ
C652 R663 C651
91R 33U16V
100N
GND
GND R664
150R
U608
NCP1117STAT3G
5V_DVB 4
OUT 2V5_ASTBY
3 2
IN OUT
R651 C635
C674
91R 33U16V
100N
GND
GND R652
100R
U610
LD1117DTTR
458724R
3V3_ASTBY
3 2
IN OUT 1V5_ASTBY
ADJ
R613 C665
C664
100R 33U16V
100N
GND
GND R614
22R
IDTV-Platte / Board – MPEG Decoder & CPU
U800A GND
SN74LVC00APWR
453566R 2
3
1
3V3D_CI
5
C800
CI_DIR 6
CI_DIR
100N
4
GND
10
U800B
8
SN74LVC00APWR
9
U800C
SN74LVC00APWR
13
11
12
U800D
SN74LVC00APWR GND
L801
C804 C805 C806 C807
FB
100N 100N 100N 100N
2V5_ASTBY
GND
L802
C811 C812 C813 C814
FB
C843
100N 100N 100N 100N
33U16V
GND
L800
C826 C827 C828 C829
FB
100N 100N 100N 100N
3V3_ASTBY
GND
L803 C821 C822 C823 C824
10uH
C844 100N 100N 100N 100N
33U16V
GND GND
L804
C834 C835 C836 C837
FB
100N 100N 100N 100N
GND
L805
1V5_ASTBY 1V5D_VDAC
C818 C819
10uH
100N 100N
GND
L806
1V5A_PLL
C820
10uH
C851
100N
33U16V
GND GND
22P
C854
L807
M_CVBS
5.6uH
R844
390R
C859 C860
47P 47P
GND GND
IDTV Interface
29
30
STBY
31
TS_TUN_SYNC
TS_TUN_VALID
32
TS_TUN_CL K
TS_TUN_DATA[0..7]
L9063A
5V_DVB
C924
C923
10uF 6V3
100n
GND
R615
SDA_MD
28
R616
SCL_MD
ANT_POW
ANT_POW
27
F_RESET
RG814
RXD1B
RXD1B 1
RESET_DVB
26
RESET_DVB 3
TXD1B
TXD1B 5
7
33
47R
34
RG813
MPEG_ABCK 7
35
MPEG_SPDI F 5
MPEG_ADO 3
MPEG_ALRCK 1
36
47R
39
D_CVBS_IN
37 RXD_0B
TXD_0B
656CLK
656CLK
656D7
656D6
656D[0..7]
656D5
656D4
656D3
656D2
656D1
656D0
C930 C931 C932 C933 C934 C935
38
* * * * * *
GND GND GND GND GND GND GND GND GND
CI_IORD
FOEB
RXD0B RXD_0B
RXD0B RXD_0B
R818
Q803
10K
2N7002
3V3_ASTBY
GCS0B
TXD0B TXD_0B
TXD0B TXD_0B
R819
Q802
10K
2N7002
3V3_ASTBY
2V5D_MI O
C808 C809 C810
100N 100N 100N
SCL_MD
SDA_MD
2V5D_RAM
C815 C816 C817
100N 100N 100N
3V3D_IO
C830
100N
3V3A_VDAC
27
1V5D
C838 C839
RESET
100N 100N
RESET_OUT
3V3D_IO
RESET_DVB
D_CVBS_IN
D_CVBS_IN
R845
390R
S804
FFC CONNECTOR_45PIN
GND
1
P1
R631 2
P2
3
P3
4
P4
5
P5
TS_TUN_DATA0 6
P6
7
TS_TUN_DATA1
P7
TS_TUN_DATA2 8
P8
TS_TUN_DATA3 9
P9
TS_TUN_DATA4 10
P10
TS_TUN_DATA5 11
P11
TS_TUN_DATA6 12
P12
TS_TUN_DATA7 13
P13
14
P14
47R 15
P15
47R 16
P16
17
P17
18
P18
19
P19
20
2 P20
21
4 P21
22
6 P22
23
8 P23
24
P24
25
P25
AISCK 26
8 P26
SPDIF_IN 27
6 P27
28
AISD
4 P28
AIWS 29
2 P29
30
P30
31
P31
D_CVBS_IN 32
P32
33
P33
34
P34
35
P35
36
P36
37
P37
38
P38
39
P39
40
P40
41
P41
42
P42
43
P43
44
P44
45
P45
C936 C937 C938
* * *
GND
GND
C850
U807
100N
8 1
3V3D_IO VCC A0
7 2
GND WP A1
R838
6 3
SCL A2
100R
5 4
SDA GND
R840
24LC64 GND
100R
GND
3V3D_IO
U805
F_RESET
R826
MAX809
10K
453995R
R827
RESET 2
RESET
47R
R830
10K
Q800
BC848B 3V3D_IO
R936 GND C845
47K C846
33U16V
R937 100N
Q805
BC848B
10K GND
GND
2 - 40
Chassis BL (LX prime IDTV)
power on (trigger: +3.3V)
§ fi
switch on (trigger: S202-13)
≥ fl
‡
•
ª °
º ·
⁄
¤
‹
›
GND
R8
10K
TS_ERROR
TS_CLK
TS_VAL ID
TS_SYNC
T
TS_DATA[0..7] T
TS_DATA[0..7]
T
T
T
T
T
T
TS_
RDATA[0..15] TS_
RDATA[0..15]
RDA
RDA
RDA
RDA
RDA
RDA
RDA
RDA
RDA
RDA
RDA
3V3D_
RDA
RDA
RDA
RDA
RADDRESS[0..22] RDA
RADDRESS[0..22]
RAD
RAD
RAD
RAD
RAD
RAD
RAD
RAD
1V5D
RAD
RAD
RAD
RAD
RAD
RAD
RAD
RAD
3V3D_IO
RAD
RAD
RAD
RAD
RAD
RAD
RAD
RADDRESS22
G