Service Manuals, User Guides, Schematic Diagrams or docs for : BEKO TV L4 chassis 30`` 30 lcd 30 mcu
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+15V 2.5V_M
TP217 A2.5V_M
TESTPAD
L502
C507 FERRIT BEAD C510 C511 C512
22uF
22uF 0.1uF 0.1uF
D900 22uF/10V
DIODE D2.5V_M
GND
GND
L503
FERRIT BEAD C513 C514 C515
D D
U504 22uF 0.1uF 0.1uF
LM1117XXX3.3V 3.3V_M
TP218
TESTPAD
3 2 GND
IN OUT
L501 D3.3V_M
GND
FERRIT BEAD C508
C505 22uF
22uF L504
22uF/10V SOT223 22uF/10V FERRIT BEAD C516 C517 C518 C519 C520
1
D3.3V_M
RN500 10K GND 22uF 0.1uF 0.1uF 0.1uF 0.1uF
1 8 GND 10V
2 7 HDATA[0..3]
HDATA[0..3]
3 6 HDATA0
4 5 HDATA1 GND GND
HDATA2
HDATA3
1 8 HCLK/SCL
HCLK
2 7 HFS/SDA
HFS
3 6
4 5 /IRQ
/IRQ
PNL_EN
PNL_EN
RN501 10K
Q500
2N7002 A2.5V_M D2.5V_M D3.3V_M
R500
3.3K D3.3V_M D2.5V_M 3.3V_M
26
57
14
68
16
43
70
D3.3V_M C509
1
U501 A[0..18]
VDDA2.5
VDDA2.5
VDD2.5
VDD2.5
VDD3.3
VDD3.3
VDD3.3
VDD3.3
HDATA0 17 63 3.3V_M C506 0.1uF
P0.0 A19/P4.4
18 64 GND
8
HDATA1 A18
P0.1 A18/P4.1
R502 R503 HDATA2 19 66 A17 U505
P0.2 A17/P4.0
D500 HDATA3 20 0.1uF A0 20 21 D0 CN503
P0.3 A0 DQ0
VCC
3.3K 10K 21 65 GND 19 22 TP151 /RST GND TP182
8
Q501 BAS40-05 HCLK/SCL
P0.4 A16 A16 A1
A1 DQ1 D1
16 17
2N7002 HFS/SDA 22 67 A15 U502 A2 18 23 D2 TP152 D3 D2 TP181
C SDA5V P0.5 A15 A2 DQ2 15 18 C
SDA 23 71 A14 A0 20 21 D0 A3 17 25 D3 TP153 D4 D1 TP180
P0.6 A14 A0 IO1 A3 DQ3 14 19
VCC
SCL 24 73 A13 A1 19 22 D1 A4 16 26 D4 TP154 D5 D0 TP179
SCL5V P0.7 A13 A1 IO2 A4 DQ4 13 20
SC2_St 72 A12 A2 18 23 D2 A5 15 27 D5 TP155 D6 A0 TP178
SC2_St A12 A2 IO3 A5 DQ5 12 21
/RESET 44 79 A11 A3 17 25 D3 A6 14 28 D6 TP156 D7 A1 TP177
/RESET P1.0 A11 A3 IO4 A6 DQ6 11 22
SC1_St 45 83 A10 A4 16 26 D4 A7 13 29 D7 TP157 A2 A10 TP176
SC1_St P1.1 A10 A4 IO5 A7 DQ7 10 23
+5V 46 77 15 27 3 TP158 A3 TP175
/PSEN
3
SC1_FBL /SC1_FBL A9 A5 D5 A8
SC1_FBL P1.2 A9 A5 IO6 A8 9 24
47 75 A8 A6 14 28 D6 A9 2 TP159 A4 A11 TP174
R501 P1.3 A8 A6 IO7 A9 8 25
1 Q502 PNL_EN 48 A7 13 29 D7 A10 31 TP160 A5 A9 TP173
R505 P1.4 A7 IO8 A10 7 26
1K BC848B /BKLT_EN 49 74 A7 A8 3 A11 1 TP161 A6 A8 TP172
10K P1.5 A7 A8 A11 6 27
R504 /STDBY 50 76 A6 A9 2 A12 12 TP162 A15 TP171
P1.6 A6 A9 A12 5 28
4.7K 62 78 A5 A10 31 A13 4 TP163 WE A7 TP170
P1.7 A5 A10 A13 4 29
2
80 1 5 TP164 A12 A13 TP169
3
A4 A11 A14
MSRES R507 10K A4 A11 A14 3 30
TP215 34 82 A3 A12 12 A15 11 TP165 A17 A14 TP168
Q503 P3.0 A3 A12 A15 2 31
3.3V_M 1 /IRQ 35 2 A2 A13 4 A16 10 TP166 A18 A16 TP167
L508 FERRIT BEAD P3.1 A2 A13 A16 1 32
BC848B GND 36 3 A1 A14 11 A17 6
P3.2 A1 A14 A17
R528 LED_GRN 37 5 A0 A16 7 A18 9 HEADER2X16
R530 P3.3 A0 A15 A18
CN501 TP144 C529 100R LED_RED 38 A17 10 Service connector_Flash programing
P3.4 A16
2
15K GND MUTE 39 30
1 /STDBY R529 470p P3.5 CE
TP150 470R 40 4 D7 3.3V_M A15 30 9 /PSEN 32
2 P3.6 D7 CS1 NC OE
LED_RED GND 41 6 D6 WE 7
3 P3.7 D6 WE
VSS
IR TP146 8 D5 6 9A A18
4 D5 CS2 NC
KEY_PMU TP147 KEY_PMU 28 10 D4
5 P2.0 D4 R521
KEY_DRL TP148 KEY_DRL 29 12 D3 /RAMRD 32 29LV040
6 P2.1 D3 OE
VSS
30 11 D2 /RAMWR 5 1K
7 P2.2 D2 WE
24
31 9 D1
R519 R520 P2.3 D1 K6T1008V2E-TB 3.3V_M
B7B 7 D0
1K 1K D0
Keypad Connector /RAMRD 51
P4.2
24
TP149 /RAMWR 52
P4.3
D2.5V_M 33 GND
O_VS P4.7/VS/OE
C500 0.1uF
L509 25 GND
CVBS_Out CVBS
FERRIT BEAD 32 D[0..7]
O_HS HS/SC
GND 3.3V_M /RST R526 53
RST
GND 1K D3.3V_M
U500 C526 C525 XTAL2 54
0.1uF R525 4.7nF XTAL2 D501
2 XTAL1 55
VCC XTAL1
47R TP502
1 GND 58 81 /PSEN EVSS
B RSTN R PSEN B
X500 C501 C502 59 13 TP500 BAS40
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