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Grundig Chassis TX Serviceanleitung Seite 42

Inhaltsverzeichnis

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Chassisplatte – Netzteil, LVDS / Chassis Board – Power Supply, LVDS
+12V
S904
1
Trigger
2
4
3
Power
4
BRI_200Hz
BRI_200Hz
DLNA PWR
GND
+5V2_ST_L
+5V2_ST
S900
TP145
TP146
1
L900
120R
P1
2
P24V
L915
120R
+12V
P2
3
P3
4
P4
5
TP281
L901
SBY1005
P5
6
TP282
L914
SBY1005
P6
7
TP283
L902
120R
TP155
P7
8
TP284
L903
SBY1005
P8
9
L904
120R
TP159
P9
10
TP158
P10
11
F900
P11
12
P12
13
+12V_ST
3
C901
C906
P13
5A
14
!
C902
100nF/
1uF/16V X7R
P14
15
1uF/16V X7R
50V
P15
Trigger
16
P16
GND
GND
GND
POWER
GND
S902
1
R923
NC/0R
POWER_SW
P1
2
P2
3
P3
TP161
D902
0.1W
PMEG2020EH
GND
VCC3.3V-ST
0,1W Option
D900
PMEG2020EH
+5V2_ST_L
+12V
L905
IC900
120R/100MHz
D901
1
VIN_A
PMEG2020EH
R745
2
26.1K
C911
INH (EN)
C912
100n/16V X7R
4.7uF 16V
3
VFB
VIN_SW
GND
GND
4
AGND
R746
15.4K
R919
ST1S10
5K36 %1
GND
L910
VCC1.2V
120R/100MHz
1
+12V
R942
5
R936
NC
C933
27k
10u 16V
C938
7
R937
GND
10u 16V
10K
8
+12V
IC902
MP8708
R926
C923
10k
T910A
D910
1uF 16V
BC847BDW1T1_A
BAV99
R929
R934
5
47k
180k*
R328
C924
R940
2
R320
100k
10k
2.7K %1
R943
C313
470pF
100nF
1
4k7
R324
GND
IC907
T910B
TS3431ILT
GND
BC847BDW1T1_A
30.9K %1
GND
VCC3.3V
VCC3.3V-ST
VCC5V
L908
2
200mA
+5V2_ST
IC903
VCC5V
XC6221
VCC3.3V
4
1
R931
R941
V n
Vout
22k
3
2
CE
GND
C929
Pd=50mW
1uF 6.3V
C905
10k
GND
C932
1uF/6V3
1uF 10V
GND
VCC3.3V
IC905
C939
100nF
74LVC1G32GW
5
1
GND
VCC
2
BRI_ADJ-PWM2
BRI_ADJ-PWM2
4
3
GND
R903
GND
C900
1K
470nF
VCC3.3V-ST
2
4
6
8
GND
C900 - Only for Analog Dimmimng
R904
10k
1
3
5
7
VBLCTRL-P2
VBLCTRL-P2
TP175
Hi: Off
Lo: On
ON/OFF
TP270
T903
C934
BC848B
1nF
GND
GND
TP189
+5V2_ST
VCC3.3V-ST
R906
1
3
5
7
10k
L: SMPS OFF
2
4
6
8
H: SMPS ON
T900A
R907
C935
5
2
POWER_SW
47k
1nF
T900B
BC847BDW1T1_A
GND
GND
GND
BC847BDW1T1_A
C907
4.7nF
R910
R911
no FRC:max 1000mA
15K %1
2.2K %1
with FRC:max 1500mA
1
8
PGND
GND
VCC3.3V-ST
C916
L906
L907
TP169
10uF 6.3V X7R
7
SW
3u3
120R/100MHz
6
C917
10uF 6.3V X7R
C915
5
SYNC
10uF 6.3V X7R
GND
C908
10u 16V
2
GND
GND
no FRC:max 1200mA
with FRC: 2200mA
with FRC and DVBT2: 3200mA
C903
L912
C926
4
3u3
10uF 6.3V X7R
VIN
BST
100n
2
NR6045T3R0N
INH (EN)
SW
R928
C904
3
VCC
SW
100p
5.36K %1
R909
6
GND
FB
26K1 %1
C925
C927
GND
10uF 6.3V X7R
R921
R917
10uF 6.3V X7R
780R
8k2 1%
GND
BC847BDW1T1_A
BC847BDW1T1_A
VCC3.3V-ST
R905
5
2
VCC1.2V
T909A
T909B
10k
POWER_SW
GND
GND
!
+12V
F901
Panel Power
miniSMDC260F/16
C921
L913
1uF/16V X7R
+12V
VCC3.3V
120R/100MHz/3A
R920
*
C922
22k
3
TP174
4.7uF/16V
GND
C930
VCC3.3V-ST
T905
1uF 6.3V
R925
DMP2215L
7 5 3 1
10k
GND
R932
Panel_ON-P1
8 6 4 2
Panel_ON-P1
1K
TP11
POK1
Hi: Off
T301
5
C918
Lo: On
BC848B
NC/100n
GND
GND
+5V2_ST
8/10 bit LVDS PANEL
R944
R945
1k
10K
R1_RXOC-
TP134
R1_RXOC-
R0_RXOC+
TP136
R0_RXOC+
TP196
R946
BIT/FR_SEL/3D_Sel
TP206
G7_RXO3-
TP138
G7_RXO3-
NC/0R
G6_RXO3+
TP140
G6_RXO3+
DCR
R947
BIT/FR_SEL
G3_RXE0-
TP143
G3_RXE0-
T901
G2_RXE0+
TP147
47k
G2_RXE0+
BC848B
G1_RXE1-
TP148
G1_RXE1-
G0_RXE1+
TP149
G0_RXE1+
GND
B7_RXE2-
TP151
B7_RXE2-
B6_RXE2+
TP152
B6_RXE2+
B5_RXEC-
TP153
B5_RXEC-
B4_RXEC+
TP156
B4_RXEC+
B3_RXE3-
TP157
B3_RXE3-
B2_RXE3+
TP160
B2_RXE3+
B1_RXE4-
TP162
B1_RXE4-
B0_RXE4+
TP163
B0_RXE4+
G5_RXO4-
TP164
G5_RXO4-
G4_RXO4+
TP165
G4_RXO4+
3D_SYNC
3D_SYNC
R134
*
DCR
DCR: H-ON
R916
1K
DCR: L-OFF
POWER_SW
VCC3.3V
BIT/FR_SEL
BIT/FR_SEL
Hi: ON
R935
*
Lo: OFF
BIT_SEL: H-10bit
R913
1K *
BIT_SEL: L-8bit
VESA
VESA
R914
TP167
VESA: L-VESA
0R
GND
VESA: H-JEIDA
TP170
VCC1.2V
C909
10uF 6.3V X7R
+5V2_ST
1
VCC3.3V-ST
VCC1.2V
TP172
R901
100K
C920
POK1
10uF 6.3V X7R
2
50Hz: 1000mA
100Hz LED: 2000mA
SYNC
V
IN_A
2
3
VCC_Panel
Sync Block
+
I_SEN
T902
PMV65XP
MOSEFET
Comp
Control
Driver
Logic
+
Burst
Control
OSC
Thermal
Driver
Shut Down
+
Q901
2
BC847BDW1T1
Shut Down
ST1S10
Soft Start
REF
GND
VFB
INH
AGND
GND
S907
40pLVDS
1
2
TP135
R7_RXO0-
1
2
R7_RXO0-
3
4
TP137
R6_RXO0+
3
4
R6_RXO0+
5
6
TP139
R5_RXO1-
5
6
R5_RXO1-
7
8
TP141
R4_RXO1+
7
8
R4_RXO1+
9
10
TP142
R3_RXO2-
9
10
R3_RXO2-
11
12
TP144
R2_RXO2+
11
12
R2_RXO2+
13
14
13
14
15
16
VCC_Panel
15
16
17
18
TP150
17
18
19
20
19
20
21
22
VESA
21
22
23
24
C931
TP154
23
24
25
26
1uF
25
26
27
28
27
28
R948
29
30
GND
29
30
31
32
100R
31
32
33
34
Main_Check
33
34
35
36
BIT/FR_SEL/3D_Sel
35
36
37
38
R922
100R
I2C-SCL-PNL
37
38
39
40
R939
100R
I2C-SDA-PNL
39
40
LVDS I/F
30P - 8bit LVDS
GND
40p - 10bit LVDS or 8bit with DCR
I2C-SDA-PNL
I2C-SCL-PNL
+5V2_ST
R924
VCC1.8V
max 300mA
470R
VCC3.3V-ST
VCC1.8V
IC901
TP168
1
10
IN
OUT
2
9
R902
R912
IN
OUT
3
8
100k
6.8K 1%
PG
FB
4
7
C914
R915
VCC
SS
5
6
10uF/6.3V X7R
10k
EN
GND
AP7173
GND
Pd=450mW
R918
5.36K 1%
C910
1uF/16V X7R
C937
R927
1uF/16V X7R
GND
VCC1.8V = 0,8 x (1 + R912/R918)
470R
VCC2V5
max 200mA
VCC2V5
IC904
TP171
1
10
IN
OUT
2
9
R908
IN
OUT
R900
3
8
12k 1%
PG
FB
4
7
100R
C913
VCC
SS
5
6
10uF/6.3V X7R
EN
GND
AP7173
GND
Pd=160mW
R930
C919
5.36K 1%
VCC_Panel
C928
1uF/16V X7R
1uF/16V X7R
GND
V
IN_SW
IN
OUT
Gate
Current Limit and
EN
Driver
Thermal Shutdown
VCC
SS
+
0.8V
SW
PG
-
AP7173
FB
-
0.72V
+
GND
PGND
S403
S404
056F32-SS18
056F32-LP15
056F37-AU20
056F37-LP21
056F37-AU23
056F42-AU16T
056F37-AU26
056F42-AU17
056F37-AU28
056F42-AU19
056F32-AU41
056F42-LP19
056F32-AU45
S403
S404
1
1
P1
VCC_Panel
P1
2
2
P2
P2
3
3
P3
P3
4
4
P4
P4
5
5
P5
P5
6
6
P6
P6
VESA
7
7
P7
P7
8
8
P8
P8
9
9
R452
P9
P9
NC/100R
10
10
P10
P10
TP271
11
B0_RXE4+
11
P11
P11
12
12
TP272
B1_RXE4-
P12
P12
13
13
R453
B2_RXE3+
P13
P13
NC/100R
14
B3_RXE3-
14
P14
P14
15
15
P15
P15
16
16
B2_RXE3+
B4_RXEC+
P16
P16
17
17
B3_RXE3-
B5_RXEC-
P17
P17
18
18
P18
P18
B4_RXEC+
19
B6_RXE2+
19
P19
P19
B5_RXEC-
20
B7_RXE2-
20
P20
P20
21
21
G0_RXE1+
P21
P21
B6_RXE2+
22
G1_RXE1-
22
P22
P22
B7_RXE2-
23
G2_RXE0+
23
P23
P23
G0_RXE1+
24
G3_RXE0-
24
P24
P24
25
25
G1_RXE1-
BIT/FR_SEL
P25
P25
26
26
G2_RXE0+
P26
P26
G3_RXE0-
27
G4_RXO4+
27
P27
P27
28
G5_RXO4-
28
P28
P28
29
29
G6_RXO3+
P29
P29
30
30
G7_RXO3-
P30
P30
G6_RXO3+
31
31
P31
P31
G7_RXO3-
32
R0_RXOC+
32
P32
P32
33
33
R1_RXOC-
P33
P33
34
34
R0_RXOC+
P34
P34
R1_RXOC-
35
R2_RXO2+
35
P35
P35
36
R3_RXO2-
36
P36
P36
R2_RXO2+
37
R4_RXO1+
37
P37
P37
38
38
R3_RXO2-
R5_RXO1-
P38
P38
R4_RXO1+
39
R6_RXO0+
39
P39
P39
R5_RXO1-
40
R7_RXO0-
40
P40
P40
R6_RXO0+
41
41
P41
P41
42
42
R7_RXO0-
P42
P42
43
43
P43
P43
44
44
P44
P44
45
VESA
45
GND
P45
P45
46
46
P46
P46
47
47
P47
P47
48
48
P48
P48
49
49
P49
P49
50
50
P50
P50
51
51
P51
P51
GND
GND
R515
I2C-SDA
I2C-SDA
0R
6
1
I2C-SDA-PNL
DMN2004DWK
T500A
R517
I2C-SCL
I2C-SCL
0R
3
4
I2C-SCL-PNL
R504
NC/DMN2004DWK
T500B
10K
VCC_Panel
R505
C507
4.7K
*
GND

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