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+5V_M U503 MC33375ST-2.5 1 L500 FERRIT BEAD C504 22uF
22uF/10V

2.5V_M TP217 TESTPAD 3 C507 22uF
SOT223 22uF/10V

A2.5V_M

VIN ON/OFF

VOUT GND

L502 FERRIT BEAD

C510 22uF

C511 0.1uF

C512 0.1uF D2.5V_M

2

GND

4

GND GND L503 FERRIT BEAD C513 22uF 3.3V_M U504 MC33375ST-3.3 TP218 TESTPAD 3 C508 22uF
SOT223 22uF/10V

C514 0.1uF

C515 0.1uF D

D

GND

TP216 TESTPAD

1 L501 FERRIT BEAD C505 22uF
22uF/10V

VIN ON/OFF

VOUT GND

GND D3.3V_M L504 FERRIT BEAD

2

C516 22uF
10V

C517 0.1uF

C518 0.1uF

C519 0.1uF

C520 0.1uF

D3.3V_M RN500 10K 1 2 3 4 1 2 3 4 RN501 10K Q500 2N7002 R500 3.3K A2.5V_M D2.5V_M D3.3V_M 8 7 6 5 8 7 6 5
HDATA[0..3]
HDATA0 HDATA1 HDATA2 HDATA3 HCLK/SCL HFS/SDA /IRQ PNL_EN

GND GND HDATA[0..3] GND

4

GND

HCLK HFS /IRQ PNL_EN

26 57

14 68

D3.3V_M 17 18 19 20 21 22 23 24 44 45 46 47 48 49 50 62 TP215 34 35 36 37 38 39 40 41 28 29 30 31 51 52 33 25 32 GND U500 VCC B RSTN GND DS1818B 6MHz
Reset Circuit

1 16 43 70

D3.3V_M

D2.5V_M

3.3V_M C509 U501
A[0..18]

VDD2.5 VDD2.5

VDDA2.5 VDDA2.5

VDD3.3 VDD3.3 VDD3.3 VDD3.3

8

HDATA0

R502 Q501 2N7002 3.3K

R503 10K D500 BAS40-05

HDATA1 HDATA2 HDATA3 HCLK/SCL HFS/SDA SDA SCL

SCL5V SC2_St /RESET SC1_St SC1_FBL

A13

A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A16 A17

SC2_St
/RESET

A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0

SC1_St SC1_FBL

+5V R501 R505 10K 3 1K 1 R504 4.7K

/SC1_FBL

Q502 BC848B 2

PNL_EN /BKLT_EN

/STDBY

P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 P2.0 P2.1 P2.2 P2.3 P4.2 P4.3 P4.7/VS/OE CVBS HS/SC RST XTAL2 XTAL1 R G B BLANK/COR

MSRES 3.3V_M L508FERRIT BEAD CN501 TP144 1 2 3 4 5 6 7 B7B
Keypad Connector

R507 Q503 BC848B 2 GND TP150 1 GND

10K
/IRQ IR

LED_GRN LED_RED

A7 A6 A5 A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0

74 76 78 80 82 2 3 5 4 6 8 10 12 11 9 7

/STDBY
LED_RED IR KEY_PMU TP148 KEY_DRL

MUTE

A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 CS1 CS2 OE WE

VCC

C

SDA5V

P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7

A19/P4.4 A18/P4.1 A17/P4.0 A16 A15 A14 A13 A12 A11 A10 A9 A8

63 64 66 65 67 71 73 72 79 83 77 75

3.3V_M
A18 A17

C506 0.1uF 20 19 18 17 16 15 14 13 3 2 31 1 12 4 5 11 10 6 9 30 32 7

0.1uF GND DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 U505 21 22 23 25 26 27 28 29
D0 D1 D2 D3 D4 D5 D6 D7

A16 A15 A14

GND IO1 IO2 IO3 IO4 IO5 IO6 IO7 IO8 U502 21 22 23 25 26 27 28 29
D0 D1 D2 D3 D4 D5 D6 D7

A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18

A0

20 19 18 17 16 15 14 13 3 2 31 1 12 4 11 7 10 30 6

A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 CE OE WE

VCC

A0

CN503 TP151 TP152 TP153 TP154 TP155 TP156 TP157 TP158 TP159 TP160 TP161 TP162 TP163 TP164 TP165 TP166 /RST D3 D4 D5 D6 D7 A2 A3 A4 A5 A6 A15 WE A12 A17 A18 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 GND TP182 D2 TP181 D1 TP180 D0 TP179 A0 TP178 A1 TP177 A10 TP176 /PSEN TP175 A11 TP174 A9 TP173 A8 TP172 TP171 A7 TP170 A13 TP169 A14 TP168 A16 TP167 C

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8

HEADER2X16 Service connector_Flash programing

D7 D6 D5 D4 D3 D2 D1 D0

3.3V_M

A15

TP147
KEY_PMU KEY_DRL

VSS

/RAMRD /RAMWR

/RAMWR

D2.5V_M L509 FERRIT BEAD GND

24

TP149

R519 1K

R520 1K O_VS

K6T1008V2E-TB

3.3V_M

/RAMRD

C500

0.1uF

CVBS_Out O_HS 3.3V_M /RST R525 47R R526 1K C525 4.7nF GND X500
XTAL2 XTAL1

GND
D[0..7]

53 54 55 58 59 60 61

D3.3V_M D501 PSEN XROM VSSA VSSA VSS VSS VSS VSS 81 13
/PSEN

C526 0.1uF 2 1 3

24

32 5

R521 1K

VSS

TP146

NC

9

/PSEN

WE

29LV040

GND

TP502 EVSS 1 EVCC U506 8 7 6 5 GND VCC WP SCK SI A0 A1 A2 VSS 1 2 3 4 1 TP500 BAS40

C501 33pF

C502 33pF

B

GND 27 56 R527 100R +5V +5V Q505 BC848B R511 47R R512 470R R510 100R +5V Q506 BC848B R514 47R R515 470R R513 100R Q507 BC848B R517 47R R518 470R R516 100R +5V_M TP183
GPIO0

SDA5550 15 42 69 84 GND

M24C16-RMN1T TP503 1 ESDA
SDA SCL

GND

TP501 1 ESCL

GND

SDA SCL

OSD_R OSD_G OSD_B OSD_FBL

GND GND

R506 2.2K C503 C528 1UF/10V 0.1uF GND TP184 CN502 1 2 3 4 5 6 7 8 9 10 11 12 53398-1290
Backlight Connector

GPIO7 GPIO6 GPIO5 GPIO4 GPIO3 GPIO2 GPIO1 GPIO0 GPIO0 GPIO[0..7]

GND R508 10K TP186
BKLT_EN

GPIO[0..7] LVDS_EN

R509
/BKLT_EN

Proje= Kod= Schematic=

1 10K

Q504 BC848B TP185 +15V 2 L106

GND

20'' LCD TV (CHIMEI) ZH1.190-02 MCU
A

A

3

GND

FERRIT

Beko Elektronik A.S.
Size C Title 3. MCU
Control Sheet 5
6

Rev A
of 9

Document Number Date 24-Sep-2003
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