ORION LCD1919 Schematic

F101FUSE 5A

1

5V

2

5V

3

5V

4

GND

5

GND

6

25

26

GND

JS-6B1/111

CN902

VIDEO_OUT

CN903

AUDIO_OUT

CN904

S_VIDEO

CN905
VIDEO

CN906
FL_Pb

CN907
FL_Y

CN908
FL_Pr

CN909
AV_L

CN910
AV_R

CN911
DVD_L

CN912
DVD_R

U901

2341

GND

BL_ON/OFF

BL_PWM

AUDIO_GND
AUDIO_GND

CN10112pin/2.0MM

VGA_SCL

VGA_SDA

CN301

DVI-D

DVI CONNECTOR

RX2-

Shell

RX2+

GND
RX4-

RX4+

SCL
SDA

VS

RX1-

RX1+

GND
RX3-

RX3+

5V

GND

HP

RX0-

RX0+

GND
RX5-

RX5+

GND

RXC+

RXC-

NC
NC
HS

GND

B

G

GND

Shell

R

5V_2

5V_1

SDA

SCL

GND
GND
GND
GND

BT

NCVNCNC2nd IF

AGC

NC

13

73654214

8

AV_GND

AV_GND

4
3
2
1

AV_GND

AV_GND

AV_GND

AV_GND

AV_GND

7

8

9

12V

10

12V

11
12

GND

L2040603 BEAD

12

12

L2030603 BEAD

L2010603 BEAD

12

L2020603 BEAD

12

VGA_5V

L2050603 BEAD

CN201

15

A_VS

14

A_HS

13

12

11

1
2
3
4
5
6
7
8

9
10
11
12
13
14
15

R30110K

16

17
18
19
20
21
22
23
24

27
28
29
30
31
32
33
34

GND

L902

1206 BEAD

12

10

TUNER_SCL

11

1

A

9

AS

18
17
16
15

AV_GND

R909
22K

VIDEO_IN

FL_Cb_IN

FL_Y_IN

FL_Cr_IN

AV_L_IN

AV_R_IN

DVD_L_IN

DVD_R_IN

AV_GND

GND

GND

12

17

16

DB-15

R90575R

TUNER_5V

3

2

R906
510R

C_IN

Y_IN

0603 BEAD

0603 BEAD

0603 BEAD

0603 BEAD

BL_ON_OFF

BL_BRI

AUDIO_12V

U201

1

A0

2

A1

3

A2

4

GND

24C02

R201100R

R202100R

R207

4.7K

R209

4.7K

5
10
4
9
3
8
2
7
1
6

1 2

1 2

AV_GND

R928

22R

1

Q902
T3904

AV_GND

L9040603 BEAD

L905

0603 BEAD

L906

12

L907

12

L908

12

L909

12

ANALOG DDC

VCC

WP
SCL
SDA

GND

GND

VGA_B

VGA_G

VGA_R

GND

DVI_5V

L901

1206 BEAD

C9020.1uF

C9030.1uF

C911

22uF

R930

20K

R932

10K

12

12

8
7
6
5

GND

GND

R92210K

R92310K

R92410K

R92510K

TUNER & AV BOARD

L107
10-18uH

ZD101

C101

5.6V 1W

0.1uF

GND

GND GND

2 1

R2044.7K

R2034.7K

R208100R

HS_A

C203
47pF

R210100R

VS_A

C204
47pF

R21375R

L2080603 BEAD

12

L2070603 BEAD

12

R21475R

L2060603 BEAD

12

R21575R

RX2­RX2+

DVI_SCL
DVI_SDA

RX1­RX1+

RX0­RX0+

RXC+
RXC-

C912

22uF

AV_GND

CN402

TUNER_5V

C901

AV_GND

R901

R902100R

R927

R926

22R

20K

3

Q901

1

T3904L

2

R929

R904

10K

510R

AV_GND AV_GND

R9081K

R910
0R

R911
75R

AV_GND

R912
0R

R913
75R

AV_GND

R914
0R

R915
75R

AV_GND

R916
0R

R917
75R

AV_GND AV_GND

R918
0R

R919
75R

AV_GND

R920
0R

R921
75R

AV_GND

CN916FOR ISP

5V
SDA
SCL

GND

R933

470R

GND

D202

5.6V

D203

5.6V

AV_GND

DDC_5V_VGA

VGASCL
VGASDA

GND

GND

GND

C90547pF

C90647pF

C90747pF

C90847pF

C90947pF

C91047pF

+5V +5V

L101

D101HER104

IR

IR

GND

C201

0.1uF

B

G

R

1

2

3

4

5

6

7

8

9

10

11

12

100R

C915

47pF

C904

0.01uF

AV_LEFT

AV_RIGHT

DVD_LEFT

DVD_RIGHT

TUNER_5V

AV_GND

+5V

GND

TV_AUD

S_C

S_Y

CVBS

Cb_FL

Y_FL

Cr_FL

1 2

C103

1206 BEAD

470uF

C202

0.1uF

R21747R

R21847R

R21947R

+5V

LED_R

LED_G

RESET

SHDWN

RPH

LPH

GND

SDA_TUNERTUNER_SDA

SCL_TUNER

TV_VID

CN915
2Pin/2.0mm

L102

1 2

1206 BEAD

+3.3V

GND

U202

74LV14

R404

10K

GND

R509510R

S_C

Cb_FL

TV_VID

S_Y

Y_FL

Cr_FL

CVBS

TV_AUD

AV_LEFT

DVD_LEFT

AV_RIGHT

DVD_RIGHT

12

C104

100uF

C106

100uF

C410

100pF

GND

GND

GND

GND

GND

GND

1 in VCC

1 14213

IR

C401

1uF

1

14

2

15

3

16

4

17

5

18

6

19

7

20

8

21

9

22

10

23

11

24

12

25

13

4

3

2 in

1 out

R22075R

R22175R

R22275R

RESET

1

14

2

15

3

16

4

17

5

18

6

19

7

20

8

21

9

22

10

23

11

24

12

25

13

CN901

DB-25

2 out

6 in

C102

470uF

GND

BAT54C

D201

3

GND

GND

Keypad

+5V

LED_R

LED_G

AD1

AD2

AD3

RESET

SHDWN

EAR_R

EAR_L

GND

12pin/2.0MM

470uF

L9032.2uH

C913

47pF

AV_GNDAV_GND

1
2
3
4

3 2

VINVOUT

C105

0.1uF

U101

U102

3 2

VINVOUT

C107

0.1uF

1098

4 in

5 out

6 out 5 in

3 in

3 out

12 11

567

GND

+3.3V

R424

4.7K

C407

100pF

1 2

3 4

5

7

9

11

13

GND

CN601

DB-25

GND

TAB

1

4

LM1117-1.8

LM1117-3.3

GND

TAB

1

4

GND

4 out

GND

C2050.01uF

C2060.01uF

C2070.01uF

C2080.01uF

C2090.01uF

C2100.01uF

C2110.01uF

R426

R425

4.7K

4.7K

C408

C409

100pF

100pF

GND

CN80114PIN/2.0mm

GNDTV_VIDEO

GNDS_VIDEO_C

S_VIDEO_Y

GND

VIDEO_CVBS

GND

YUV_Cb

GND

YUV_Y

GND

YUV_Cr

GND

13

13

25

25

12

12

24

24

11

11

23

23

10

10

22

22

9

9

21

21

8

8

20

20

7

7

19

19

6

6

18

18

5

5

17

17

4

4

16

16

3

3

15

15

2

2

14

14

1

1

1.0A-max

Q404

MMBT3904L

LED_R

+5V

GND

GPROBE__SCL

GPROBE_SDA

H_WRITE_PRO

ZD403

5.6V

6

8

10

12

14

0.8A-max

GND

GND

3

2

GND

S_V_C

FL_Pb

VIDEO_TV

S_V_Y

FL_Y

FL_Pr

VIDEO

IIC_SDA

IIC_SCL

S_V_C

FL_Cb

VIDEO_TV

S_V_Y

FL_Y

FL_Cr

VIDEO

TV_AUDIO

L_AV

L_DVD

R_AV

R_DVD

+1.8V

L1031206 BEAD

C108

0.1uF

C109

0.1uF

H_IN

V_IN

SOG

B+

B-

G+

G-

R+

R-

R403

100R

1

+5V

GND

1 2

C110

100uF

L104

1206 BEAD

GND

1 2

+3.3VVGA_5V

GND

MMBT3904L

R405

10K

CN403NC

GND

L105

1206 BEAD

C111

1 2

100uF

L106

1206 BEAD

1 2

DVI_SCL

DVI_SDA

R408

100R

Q405

R40610K

3

1

2

LED_G

H_WRITE_PRO

12

C601

100uF

R43310K

R44010K

R44110K

RESET

VD6

VD4

VD2

VD0

11

GND

L5060603 BEAD

D502
BAV99

3

D505
BAV99

3

TV_AUDIO

CN602
PC_AUDIO

L_AV

R_AV

L_DVD

R_DVD

VIDEO

12

S_V_Y

13

15

17

19

AUDIO_12V

1

2
3

+5V

+3.3V

1 2

1 2

GND GND GND

C112

22uF

C120

22uF

AVDD_3.3V

C127

22uF

C141

22uF

U301

1

A0

2

A1

3

A2

4

GND

24C02

GND

DIGITAL DDC

R302100R

R303100R

GND

LED_GREEN

LED_RED

AD1

AD2

AD3

RMADDR8

RMADDR12

RMADDR6

CN802
20PIN/2.0mm

1 2

GNDV_CLK

3 4

RESETPWDN

5

VD7

VD6

7

VD5

VD4

9

VD3

VD2

VD1

VD0

GND

GND

GND

GND

SDA

+5V

SCL

+5V

IIC_SDA

IIC_SCL

D503
BAV99

1 2

3

D506
BAV99

1 2

3

R623100R 1/2W

R603

4.7K

R60510K

R60710K

GND

C113

0.1uF

C128

C129

0.1uF

0.1uF

DVI_5V

2 1

8

VCC

7

WP

6

SCL

5

SDA

GND

U401

1

A0

VCC

2

A1

WP

3

A2

SCL

4 5

VSSSDA

24C16

PD_DECODER

6

8

10

12

14

16

IIC_SDA

18

IIC_SCL

20

R501100R

R502100R

FL_Cr

VIDEO_TV

R60410K

R60610K

R60810K

R61010K

R61110K

R61210K

R61310K

GND

C114

0.1uF

C121

0.1uF

C130

0.1uF

C142

0.1uF

+5V

3

+5V

8

7

6

GND

RMADDR17
RMADDR16
RMADDR15
RMADDR14
RMADDR13
RMADDR12
RMADDR11
RMADDR10
RMADDR9
RMADDR8
RMADDR7
RMADDR6
RMADDR5
RMADDR4
RMADDR3
RMADDR2
RMADDR1
RMADDR0

V_CLK

VD7

VD5

VD3

VD1

GND

GND

D504
BAV99

1 2

3

D507
BAV99

1 2

3

IIC_SCL

IIC_SDA

D601

9V 1/2W

GND

C122

0.1uF

C131

0.1uF

D301
BAT54C

5V_DVI

DVISCL

DVISDA

R401

4.7K

30

2

3
29
28

4
25
23
26
27

5

6

7

8

9
10
11
12

1

R5070R

FL_Y

FL_Cb

R601100R

R602100R

C6031uF

C6041uF

C6051uF

C6061uF

C6071uF

C6081uF

C6091uF

C6101uF

C115

C116

0.1uF

0.1uF

C123

0.1uF

C132

0.1uF
C133

0.1uF

C143

0.1uF

R305

R304

4.7K

4.7K

C212

R402

0.1uF

4.7K
GND

IIC_SCL

IIC_SDA

D7

A17
A16

D6

A15

D5
D4

A14

D3

A13
A12

D2

A11

D1

A10

D0
A9
A8

VCC
A7
A6
A5
A4
A3
A2
A1
A0

OE

WE

CE

NC

GND

U402

AT49F002ANT-55JC

active low

0:Normal mode

S_V_C

3

D508
BAV99

1 2

GND

C602

100uF

GND

16

LIN1

11

RIN1

PC_L

15

LIN2

PC_R

10

RIN2

AV_L

14

LIN3

AV_R

9

RIN3

DVD_L

13

LIN4

DVD_R

8

RIN4

DVDD_1.8V

C136

0.1uF

C403

0.1uF

C404

0.1uF

DECODER_SDA

DECODER_SCL

C5010.1uF

C5020.1uF

C5030.1uF

C5040.1uF

C5050.1uF

C5060.1uF

C5070.1uF

18

27

SCL

LOUT

GND

+5V

GND

RESET

C611
1uF

C137

0.1uF

12

R506

100K

C119

0.1uF

GND

C125

0.1uF

GND

C140

0.1uF

GND

L401 0603 BEAD

TV_VIDEO

S_VIDEO_C

S_VIDEO_Y

VIDEO_CVBS

YUV_Cb

YUV_Y

YUV_Cr

17

LIN

X3

14.318MHz

GND

AVDD_1.8V

AVDD_3.3V

DVDD_3.3V

H_IN
V_IN
SOG
B+
B­G+
G­R+
R-

RX2­RX2+
RX1­RX1+
RX0­RX0+
RXC+
RXC-

IIC_SCL
IIC_SDA

IR

AD1
AD2
AD3
LED_RED
LED_GREEN

RMADDR17
RMADDR16
RMADDR15
RMADDR14
RMADDR13
RMADDR12
RMADDR11
RMADDR10
RMADDR9
RMADDR8
RMADDR7
RMADDR6
RMADDR5
RMADDR4
RMADDR3
RMADDR2
RMADDR1
RMADDR0

RMDATA7
RMDATA6
RMDATA5
RMDATA4
RMDATA3
RMDATA2
RMDATA1
RMDATA0

C612

0.1uF

12

LOUD_L

GND

C117

0.1uF

C124

0.1uF

C134

0.1uF

C135

0.1uF

C145

0.1uF

GND

C301

0.1uF

GND

RESET

RMDATA7

21

RMDATA6

20

RMDATA5

19

RMDATA4

18

RMDATA3

17

RMDATA2

15

RMDATA1

14

RMDATA0

13

32

R409

R410

10K

10K

24
31
22

16

R411

10K

GND

GND

C522pF

C622pF

GND

VIDEO_TV

S_V_C

S_V_Y

VIDEO

FL_Cb

FL_Y

FL_Cr

26

SDA

TV

PC

AV

U601

PT2314L

DVD

REF VDD

AGND

DGND

2

25

C616

22uF

GND

GND

RIN

ROUT

LOUD_R

28 1

C617
1uF

BOUT_R

567

22

C618

C619

0.1uF

0.1uF

R615

5.6K

GND

ROM_OEn
ROM_WEn
ROM_Csn

74

75

34

29

28

33

7

1

8

2

9

18

2021

BOUT_LBIN_R

R5082.2K

XTAL1

XTAL2

RESETB

SDA

SCL

PWDN

VI_2_A

VI_1_B

VI_2_B

VI_4A

VI_1_C

VI_2_C

VI_3_C

C613

0.1uF

C620

0.1uF

86

41
75

96
139
179

116
121
126
137
164
166

11

24

26

27

40
113
120
125
130
134
141
145
150
154
172
171

50

73

95
190
205

77

78

181
182
146
142
143
147
148
151
152

79

80

119
118
124
123
129
128
132
133

92

93

90
178

81

89
173
174
175

82

83

183
184
185
186
187
188
189
192
193
194
195
196
197
198
199
200
201
202

203
204
207
208

36

575859

AVID

C_9/FSO

FID

717273

R6145.6K

C614

0.1uF

19

BIN_L

TREB_R

4

C621

2700PF

GND

CVDD_1.8

9

CVDD_1.8
CVDD_1.8
CVDD_1.8
CVDD_1.8
CVDD_1.8
CVDD_1.8

VDD_RX2_1.8
VDD_RX1_1.8
VDD_RX0_1.8
VDD_RXPLL_1.8
VDD_ADC_1.8
VDD_RPLL_1.8

AVDD_LV_E_3.3
AVDD_LV_E_3.3
AVDD_LV_3.3
AVDD_LV_O_3.3
AVDD_LV_O_3.3
AVDD_IMB_3.3
AVDD_RX2_3.3
AVDD_RX1_3.3
AVDD_RX0_3.3
AVDD_RXC_3.3
AVDD_BLUE_3.3
AVDD_GREEN_3.3
AVDD_RED_3.3
AVDD_ADC_3.3
LBADC_VDD_3.3
AVDD_RPLL_3.3
RVDD_3.3
RVDD_3.3
RVDD_3.3
RVDD_3.3
RVDD_3.3

DDC_SCL_VGA
DDC_SDA_VGA

HSYNC
VSYNC
SOG
BLUE+
BLUE­GREEN+
GREEN­RED+
RED-

DDC_SCL_DVI
DDC_SDA_DVI

RX2­RX2+
RX1­RX1+
RX0­RX0+
RXC+
RXC-

GPIO9/NVRAM_SCL
GPIO10/NVRAM_SDA

GPIO7/RQin
RESETn

GPIO0
GPIO6
LBADC_IN1
LBADC_IN2
LBADC_IN3
GPIO1
GPIO2

ROM_ADDR17
ROM_ADDR16
ROM_ADDR15
ROM_ADDR14
ROM_ADDR13
ROM_ADDR12
ROM_ADDR11
ROM_ADDR10
ROM_ADDR9
ROM_ADDR8
ROM_ADDR7
ROM_ADDR6
ROM_ADDR5
ROM_ADDR4
ROM_ADDR3
ROM_ADDR2
ROM_ADDR1
ROM_ADDR0

ROM_DATA7
ROM_DATA6
ROM_DATA5
ROM_DATA4

1

ROM_DATA3

2

ROM_DATA2

3

ROM_DATA1

4

ROM_DATA0

C508

22pF

30

60

INTREQ

C_6/RED

C_8/BLUE

C_7/GREEN

HS/CS

VS/VBLK

3

TREB_L

LFOUT

RFOUT

GND

636465

C_5

CH1_A33GND

3

C615

2700PF

C_4

C_3

CH2_A33GND

CH3_A33GND

6

19

ROM_OE n

ROM_WE n

ROM_CSn

567

V_CLOCK

L501

0603 BEAD

66

69

70

Y_1

Y_0

C_2

C_1

C_0

U501

TVP5147

CH2_A18GND

CH3_A18GND

CH4_A33GND

CH4_A18GND

CH1_A18GND

10

222324

L_O

24

SHDWN

D604
BAT54C

R_O

23

U701

GM5221

VDATA1/GPIO22

VDATA0/GPIO23

VCLK

110

111

112

V0

V1

45

12

678

V_CLK

VD1

VD0

40

Y_3

Y_2

DATACLK

A18GND_REF

VI_3_A

VI_3_B

IOGND

IOGND

PLL_A18GND

VI_1_A

1314151617

39

49

777879

80

AUDIO_12V

GND

C627

470uF

GND

R618

C622

10K

0.1uF

21

3

R619

C623

10K

0.1uF

GPIO12/PWM1
GPIO13/PWM2
GPIO14/PWM3

LBADC_RETURN

GND_RPLL

AVSS_LV_E
AVSS_LV_E

AVSS_LV_O
AVSS_LV_O

AGND_RX2
AGND_RX1

AGND_RXC

AGND_BLUE

AGND_GREEN

AGND_RED

AGND_ADC
AGND_RPLL
LBADC_GND
GND_RXPLL

VBUFC_RPLL

GPIO8/IRQout

STI_TM1/GPIO15

VBUFC_DVI

HOST_SDA_/UART_DO

HOST_SCL_/UART_DI

NCNCNCNCNCNCNCNCNCNCNC

525354

104

105

157

RP502 33R

67
55
31
41

76
12
25

11

61
38
48

21
20
5
4

37

6

VCC

U602

GND

4

GPIO11/PWM0

158

159

GND

GND

5910

160

GND

VDATA2/GPIO21

109

V2

VD2

5051525354

Y_4

DGND

DGND

IOGND

32

42

62

108

V3

123

VD3

Y_5

DGND

56

68

GND

DGND

RP501 33R

NSUB

26

107

V4

45

VD4

Y_6

TMS

27

35

GND

C63422pF

C624

10uF

102

103

106

V7

V5

V6

123

678

VD6

VD5

VD7

4344454647

Y_9

Y_8

Y_7

DVDD
DVDD
DVDD
DVDD

PLL_A18VDD
A18VDD_REF
CH4_A18VDD
CH3_A18VDD
CH2_A18VDD
CH1_A18VDD

IOVDD
IOVDD
IOVDD

CH4_A33VDD
CH3_A33VDD
CH2_A33VDD
CH1_A33VDD

GLCO/I2CA

FSS

R62020K

1

LIN

8

BYPASS

LM4950TS

RIN

C63522pF

R62120K

VDATA7/GPIO16

VDATA6/GPIO17

VDATA5/GPIO18

VDATA4/GPIO19

VDATA3/GPIO20

TCLK

XTAL

E3+ R0

E3- R1

EC+ R2

EC- R3
E2+ R4

E2- R5

E1+ R6

E1- R7

E0+ G0

E0- G1

O3+ G2

O3- G3

OC+ G4

OC- G5
O2+ G6
O2- G7
O1+ B0

O1- B1

O0+ B2

O0- B3

B4
B5
B6
B7

DEN
DHS

DVS

DCLK

OR0
OR1
OR2
OR3
OR4
OR5
OR6
OR7
OG0
OG1
OG5

GPIO3
GPIO4
GPIO5

STI_TM2

CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS

GND_ADC

AVSS_LV

AGND_IMB

GND

CLKOUT

ADC_TEST

VCO_LV

REXT

PPWR

PBIAS

161

162

DECODER_1.8D

DECODER_1.8A

DECODER_3.3D

DECODER_3.3A

R505

10K

D603L4148

R622

100K

2

SHUTDOWM

3

LOUT

7

ROUT

GND

GM5221

170

169

13
14
15
16
17
18
19
20
21
22

29
30
31
32
33
34
35
36
37
38

43
44
45
46

47
48
49
55

56
57
58
59
60
61
62
63
64
65
66
99
100
101
84
85
88
70
176
206
191
180
140
97
94
76
74
51
42
8
87
165
163
12
23
25
28
39
115
117
122
127
131
144
149
153
156
168
177
136

138
167
155
91
69
10
135
114
72
71
67
68
98

GND

R632

1K

R6331K

TCLK

R0_TXE3+
R1_TXE3­R2_TXEC+
R3_TXEC­R4_TXE2+
R5_TXE2­R6_TXE1+
R7_TXE1­G0_TXE0+
G1_TXE0-

G2_TXO3+
G3_TXO3­G4_TXOC+
G5_TXOC­G6_TXO2+
G7_TXO2­B0_TXO1+
B1_TXO1­B2_TXO0+
B3_TXO0-

B4_OUT
B5_OUT
B6_OUT
B7_OUT

DEN_OUT
DHS_OUT
DVS_OUT
DCLK_OUT

GND

GPROBE_SDA
GPROBE_SCL
PPWR
ON_OFF_BL
BL_PWM

C509

0.1uF

C513

0.1uF

C518

0.1uF

C522

0.1uF

21

D604

3

R630

1K

R622

47K

GND GND

C625

LOUT

470uF

GND

C626

ROUT

470uF

GND

14.318MHz

BAT54C

AVDD_3.3V

C1
5pF

X1

C2
5pF

1 2

GNDGND

3 4

GNDVCC

5

NC

7

R1_TXE3-

R3_TXEC-

R5_TXE2-

R7_TXE1-R6_TXE1+

G1_TXE0-

G3_TXO3-

G5_TXOC-

G7_TXO2-

B1_TXO1-

B3_TXO0-

R0_TXE3+
R1_TXE3­R2_TXEC+

R4_TXE2+
R5_TXE2­R6_TXE1+
R7_TXE1-

G0_TXE0+
G1_TXE0­G2_TXO3+
G3_TXO3-

G4_TXOC+
G5_TXOC­G6_TXO2+
G7_TXO2-

B0_TXO1+
B1_TXO1­B2_TXO0+
B3_TXO0-

B4_OUT
B5_OUT
B6_OUT
B7_OUT

DEN_OUT
DHS_OUT
DVS_OUT
DCLK_OUT

+5V

AVDD_3.3V

R434

250R

ZD401

5.6V

GND GND

R41210K

R41710K

C510

0.1uF

C515

0.1uF

C519

0.1uF

C524

0.1uF

GND

SHDWN

C636

10uF

CN603

2

1

GND

9

E3-

11

EC-

13

E2-

15

E1-

17

E0-

19

O3-

21

OC-

23

O2-

25

O1-

27

O0-

29

GND

GND

CN70130PIN/2.0mm

RP70133R

4 5
3

6

2

7

1

RP70233R

RP70333R

RP70433R

RP70533R

RP70633R

RP70733R

C511

0.1uF

8

4 5
3

6

2

7

1

8

4 5
3

6

2

7

1

8

4 5
3

6

2

7

1

8

4 5
3

6

2

7

1

8

4 5
3

6

2

7

1

8

4 5
3

6

2

7

1

8

R429

R428

10K

10K

ZD402

5.6V

1
2
3
4

GND

1206 BEAD

1 2

C512

0.1uF

1206 BEAD

GND

1 2

C517

0.1uF

GND

1206 BEAD

1 2

C520

0.1uF

1206 BEAD

GND

1 2

C628

L_O

0.1uF

C629

R_OR_EAR_IN

0.1uF

KTC ISO9001、ISO14001

文件名称：gm5221方案17"19"LCD_TV原理图

CN604

2

1

文件编号：T421 版号：3.0

绘制部门：研发部

页数

绘制

生效日期： 2006 年 1月 6日

100uF

CN401NC

5V
SDA
SCL
GND

1

L502

L503

L504

L505

L702

1 2

1206 BEAD

GND

PPWR

6

VCC

8

VCC

R0_TXE3+

10

E3+

R2_TXEC+

12

EC+

R4_TXE2+

14

E2+

16

E1+

G0_TXE0+

18

E0+

G2_TXO3+

20

O3+

G4_TXOC+

22

OC+

G6_TXO2+

24

O2+

B0_TXO1+

26

O1+

B2_TXO0+

28

O0+

30

GND

GND

R0
R1
R2
R3R3_TXEC-

R4
R5
R6
R7

G0
G1

VS

G2

DE

G3

B7
B5

G4

B3

G5

B1

G6

G7

G7

G5
G3

B0

G1

B1

R7

B2

R5

B3

R3

R1
B4
B5
B6
B7

GND GND
DE
HS
VS
CLK

R413
1K

3

Q401

2

MMBT3904L

GND

1

C405

0.01uF

DECODER_1.8V

DECODER_3.3V

R62420K

C630

22uF

R62520K

GND

1 / 1

李振乐

R702
47K

R7014.7K

GND

C706

0.1uF

1 2

GNDGND

3 4

GNDGND

5

VCC

VCC

7

VCC

VCC

9

CLK

VS

11

HS

DE

13

B6

B7

15

B4

B5

17

B2

B3

19

B0

B1

21

G6

G7

23

G4

G5

25

G2

G3

27

G0

G1

29

R6

R7

31 32

R5R4

33 34

R3R2

35 36

R1R0

37 38

GNDGND

39 40

GNDGND

CN703

40PIN/2.0mm

BL_ON_OFF

+5V

R418

510R

R419

1K

3

Q403

2

MMBT3904L

C526

C525

22uF

0.1uF

GND

GND

C527

0.1uF

GND

GND

+5V

L6011206 BEAD

1 2

R626

20K

L_EAR_IN

BYPASS

R627

20K

1

GND

6
8
10
12
14
16
18
20
22
24
26
28
30

C528

22uF

R62820K

2

-

3

+

5

+

6

-

R62920K

C701

1uF

3

2

GND

GND

G1_TXE0-

R7_TXE1-

R5_TXE2-

R3_TXEC-

R1_TXE3-

GNDGND GND

0.8A

审核

批准

Q701

MMBT3904L

GND

C406

1uF

LM1117-1.8

EAR_5V

GND

CLK
HS
B6
B4
B2
B0
G6
G4
G2
G0
R6
R4
R2
R0

BL_BRI

U502

TAB

0.8A

8

VCC

U603A

NE5532

GND

4

U703
SI9435

1

8

S

D

2

7

S

D

3

6

S

D

4

5

G

D

PANEL_VCC

1 2

VCCVCC

3 4

NCGND

5

GND

GND

7

GND

GND

9

GND

GND

11

CH0+

CH0-

13

CH1+

CH1-

15

CH2+

CH2-

17

CLK+

CLK-

19

CH3+

CH3-

CN70220PIN/2.0mm

PANEL_VCC

CLK

DE

VS

HS

B7
B6
B5
B4

B3
B2
B1
B0

G7
G6
G5
G4

G3
G2
G1
G0

R7
R6
R5
R4

R3
R2
R1
R0

VINVOUT

GND

1324

GND

GND

U503

LM1117-3.3

VINVOUT

GND

TAB

1324

GND

EAR_L

1

LOUT

EAR_R

7

ROUT

体系文件

C702

C703

0.1uFC705

100uF

GND

GND

L701

1 2

1206 BEAD

C704

100uF

6

8

10

12

14

16

18

20

GND

D501
HER104

C529

22uF

C631

100uF

C632

100uF

G0_TXE0+

R6_TXE1+

R4_TXE2+

R2_TXEC+

R0_TXE3+

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
33
34
35
36
37
38
39
40
41
42
43
44
45

C530

22uF

GND

LPH

RPH

CN704

GND
CLK
GND
DE
GND
VS
GND
HS
GND
NC
GND
B7
B6
B5
B4
GND
B3
B2
B1
B0
GND
G7
G6
G5
G4
GND
G3
G2
G1
G0
GND
R7
R6
R5
R4
GND
R3
R2
R1
R0
VCC
VCC
NC
NC
NC

CPT/0.5mm

+5V

+5V

C633

100uF

GND

GND

_______ _______

Checking step for general defective points:

in adapter whether it work

correctly, checking CN02, 12P close to the plug

Checking F101 whether is +5V,

t work, checking F1

Replace F1.

Check U102.FM24C16 clock data, whether

there is 3.8V between the two feet, whether

Check circuit of U102,

replace X1 and

Check the software on U402

Recopy software

Check the voltage on all the feet of

U701 GM5221, replace GM5221

F1 defectived, NTC breaking or

Check D03 (18V)=>C07(27V)=>

circuit on

Replace F1,125V,2A fuse Q002,

K2645,IC011203D6,R09(0.33O 2W). R08

1. NO POWER

The monitor don’t work by connection with correct power supply, switch don’t work, power
light don’t work and the screen don't work.

YES NO

UL101 is 1.8V? U102 is 3.3V?

NO
NO

YES

YES

voltage on X1 correct

NO

NO

YES

YES

(39SF020) is correct or not

NO

YES

chipset

Firstly check the built-

+12V/+V5 whether is working correctly.

Built-in adapter don’
breaking or not, C02 is 300V or not

U101.U102

concerning circuit

39SF020

not, filter is short-circuit or not

Q2 broken or not, check IC01

D02(1N418)=>Q1,Q2=>IC02.
Whether there is short­D05.08, T02 broken or not

(1K resistance), D03 18V manostat diode

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2. NO PICTURE

s on and it work when signal input,

light work when power switch on or off, then the A/D board work

correctly. Problem is from the controlling voltage on circuit or

6V by

Circuit is ok, check the 12V power supply on

inverter board whether is correctly, check

Check whether there is 3.27V on the

GM5221 chipset

Check R412 broken or not, Q401 broken or

The screen don’t work, power light work correctly

YES NO

Check whether there is 3.0
connecting Q1 to the 13 feet on MP1048

NO NO

YES YES

F1=>Q5=>Q4=>U1 broken or not

Firstly confirm the power light i

circuit on inverter board, check A401 whether is lower voltage.

88 feet of GM5221, whether is ok

Check
Q1=>Q4=>R2=>R12=
>R5 broken or not

not, R413 whether there is +5V supply

defectived

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3. White screen or white screen after switch off

Check U703 input L702

ived or concerning

Check Q701 and GM5221 (feet

Check U703 power supply and circuit

Check U703 input voltage is 5V or

Gm5221 defectived and R412 resistance

If voltage out is correctly, check

(CN701) the pin4,6,8 on the

connector from panel to A/D

Voltage is too lower or no output then

out or the plug is

from panel to

CN701 is broken,

The screen is white color, can not display picture. White after switch off: switch on or off are
correctly working and can display picture correctly, but after switch off or no signal input, the
screen turn to white screen.

White screen:

YES NO

voltage is 5V or not

YES NO

77), the voltage is correctly or not

YES NO

not

YES NO

board, the voltage is correct or not

YES NO

LCD panel burnt­loose or the connection (
A/D board) is not good

Check F101 whether is +5V voltage

F101 defect
circuit/component defectived

broken or not

defectived or not

the U703 defectived

The circuit on U703­L701 defectived

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The problem is on the circuit between the feet 88 of GM5221 to the feet 12 of

circuit R412 and Q401 whether

Check the changing of the switch

on/off voltage is correctly or not

Check the # 88 feet on

GM5221, whether it is work

Circuit on inverter

Check the concerning circuit

White screen after switch off:

MP1048, check the voltage between the switch on/off
is work correct

YES NO

3.06V-0V ( feet 13 on MP1048)

YES YES

board is defectived

NO NO

O1, O401,R2,R5 are broken or not

correctly when switch on or off

on R412, O401, O1

GM5221 defectived

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No picture

Check the feet 3 on TV tuner,

Check L903,

or

not, power supply on

TVP5147 is normal or

Check L903 broken or not,

Q901,R923, 926,904 is

out

No picture

No sound

Check OSD audio setting.

Change to PC mode for

check audio is normally

oblem on the public

part of the audio circuit

Check the voltage

on feet 1 on TV

Check R908,R603

broken or not,

C904,C603 broken or

out or not,

Can not sort

snow

. Voltage on the feet

2 and 12 on TV tuner is

Replace U901

Check the voltage

on L902, L901 and

concerning circuit

is 5V or not ( 5V is

4 TV mode: NO PICTURE or CAN NOT SORT CHANNEL

whether is 1.08V voltage

YES

NO YES

whether is 0.86V

NO

YES NO

YES

Check C501 broken

YES

not, replace TVP5147

NO

normal? C913,C915 burnt-

NO

or not?

Sound is ok

Replace U901

or not

Pr

not, burnt­creep or not

Replace TV tuner

tuner is 2.37V

channel

there is shinning “
point”

5V or not

TV tuner

correct)

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5. Sound is not good ( no sound, signal sound channel, no audio to earphone)

No sound

Check TPA1517 (feet 7, 8)

PT2314 defectuved or

.6)

Problem on power supply

circuit or R630, TPA1517

C614.615 defectived or

speaker defectived or plug is

TPA1517 defectived or the feet

3 on TPA1517 controlled by

No sound to earphone

with earphone and test

whether the voltage of TPA1517

NE5532 (feet 8) is

ot, feet 3 AND feet

g is

good situation. Taking off earphone,

if no sound, then check the comment

circuit. If sound,

whether there is voltage

. The TPA1517

NE5532 (feet 1 and

6) input voltage is 2.37V or

circuit is broken or

not, R626(20k),NE5532

NE5532 output voltage is 2.37V or not,

Check PT2314 output voltage is 4.36V

YES

voltage is 12V and 11.2V

NO NO

YES

Check TPA1517 (feet 4
output voltage is 5.36

NO YES

YES

not connected correctly

YES

NO

NO

other circuit

R623,D601 defectived

defectived

Connecting

(feet 3) change from 5.45V to 0V

YES

Check
5V or n
6 ARE 2.38V or not

Check whether the earphone plu

part of the audio
then check
variation TPA1517
defectived

Check

not

Check

broken or not

Check
check C631.632 and NE5532 broken or not

C628,C629,NE5532 broken or not

NO

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6. Built-in adapter defective

No voltage output => check C02 (450V,

out

out, F1 is defectived

NTC/TOA is defective or not or

D05 (IN4148) defective or not, D01,

out or not,

out or not.

IC01(1203D6)R08(1K)D03(18V) defective or not.

out, all these component

above component are not problem,

If replace the

out again, then

(27V),

the resistance on

Q1 or Q2,Q3 or the

C05 (47UF/50V),

C04(100UF/50) defective or not,

C05(47uf/50v),

IC02(NEC2501), IC03(ka431)

YES NO

Check IC01.1203D6 burnt­or not

YES YES

NO
NO

YES NO

YES NO

YES NO

Replace IC01

(FR157) burnt­D06.D08(MBR20100) burnt-out or not

Replace D07
D05(IN4148),D01(FR157) etc.

Replace
component around them

Replace
c04(100uf/50v), or transformer

100UF) whether have 300V voltage

Whether the C02 burn­or not,
short-circuit. DOA/KBL406 burnt-out or not

Check Q02(K2645) burnt-

(usually, if the C02 burnt­will also burnt-out)

All
then the F1 burnt-out.
new one and burnt­replace the C11,C22

Check Q1,Q2,Q3 and
their around circuit defective or not

Check

T02 transformer defective or not

Check
defective or not

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