TCL L19E75A, Service Manual

19

’’ LCD TV                                                                                                                                                                                                          TCL L19E75A

39 

RXD

AUVRADP

C435
0.1uF

RXO2-/R3

RXO4-/G5

RXE3-/B3

PR+

R763

7.5KΩ 1/10W

C439
0.1uF

LVSY NC

TV-MONO

SPI_CK

C426 2.2uF

For HDTV

VS_RGB

PY -

RXOC+/R0

U402

M24C32-WMN6TP

4

8

5

6

1
2
3

7

VSS

VCC

SDA

SCL

E0
E1
E2

WC

R442
NC

I2C-SDA

H

D

T

V

IN

PU

T

SC

L

LED1

TXD

C415
0.1uF

RP406

33Ω 1/16W

1

2

3

4

8

7

6

5

SDA_EXT

RXO1+/R4

RXO3+/G6

SPI_DO

SIFP

C429 2.2uF

GIN+

RXO1-/R5

BIN+

C422 0.01uF

VDD_MPLL

VS_RGB

RXO4-/G5

RXO1-/R5

SPI_DI

H

D

M

I 

IN

PU

T

5Vstb

C416
0.1uF

SIFP

RXO0+/R6

RXE3+/B2

R415

100Ω 1/10W

C443

0.047uF

R435

100Ω 1/10W

Q401

PMBS3904

1

3

2

HPDCTRL

AVDD_MemPLL

TV1-Vin+

AV/SVIDEO-AUD-Rin+

RXE3+/B2

PB+

RXOC-/R1

RXO0-/R7

SOY

RP411

4.

7KΩ

 1/

16W

1

2

3

4

8

7

6

5

G_TX1+

LED-R

RXE1+/G0

RP400

4.7KΩ 1/16W

1

2

3

4

8

7

6

5

SOG

B_TX0-

SPI_DI

R457
NC

RXE0-/G3

AUVREF

G_TX1-

R400

10KΩ 1/10W

AUVRADN

AVDD_AU

CVBS_IN

IR_SY NC

+

C438

10uF/16V

I2C address
at A4.

R441
NC

SC

L

RXE1+/G0

R429
100Ω 1/10W

R451
NC

R448

10KΩ 1/10W

RXO0-/R7

RXEC+/B4

01

03)MST9E19A

A2

3

8

Tuesday , March 20, 2007

Title

Size

Document Number

Rev

Date:

Sheet

of

SVIDEO-Cin+

R_TX2-

RXE0-/G3

R438

10Ω 1/10W

RXEC-/B5

RXO0+/R6

C408
33pF

For TUNER

5Vstb

SPI_CK

C425 0.1uF

LED1

TV1-Vin+

HD-Lin+

R_TX2-

CVBS_IN

RXE2+/B6

RXE4+/B0

RXEC-/B5

SPI_DO

RXE3-/B3

HS_RGB

WP

For TUNER

+3.3V

VCC-Panel

AVDD_HDMI

SVIDEO-Y in-

LCK

R_TX2-

LED1

R437

10Ω 1/10W

RXE2-/B7

RXE1-/G1

HDMI_SDA

TV_SIF-

TXCLK+

VDDP

GIN+

AMP-L

CVBS2

VCOM1

SOY

+3.3V

HD-Rin+

BIN+

R422

1KΩ 1/10W

RXOC+/R0

PY +

C413
100pF

V

ID

EO

IN

PU

T

ADJ-PWM2

TXCLK-

RP404

33Ω 1/16W

1

2

3

4

8

7

6

5

C407
0.01uF

R406
100Ω 1/10W

+3.3V

BIN+

IR-in

KEY 0-in

RXE2+/B6

ASTB

PB-

KEY 0

C432
0.1uF

C436
0.1uF

For AV/S-Video

TXCLK+

PANEL-ON/OFF

C428 2.2uF

PWM3

R434

100Ω 1/10W

+

C400
47UF/16V

VCC-Panel

PR-

RXO3-/G7

R443

10KΩ 1/10W

RXO2-/R3

SVIDEO-Cin+

RXE1+/G0

RXO0-/R7

GIN+

R425
NC

C419 0.01uF

TV-MONO

RXEC+/B4

DDC-RDX

RP403

33Ω 1/16W

1

2

3

4

8

7

6

5

G_TX1-

RXE1-/G1

B_TX0+

AUVREF

V

G

A

IN

PU

T

SCL_EXT

DDCWP

KEY 0

PY -

BIN-

R420
4.7KΩ 1/10W

VDDC

AMP-MUTE

SD

A

RXD

TV1-Vin-

PC-Lin

RXE0+/G2

RXEC+/B4

RXO1+/R4

C402
0.01uF

C423 0.01uF

RXOC-/R1

RXO4+/G4

LHSY NC

AMP-Rout

R456

4.7KΩ 1/10W

ADJ-PWM2

B_TX0+

RXE0+/G2

C440
2.2uF/16V

AMP-Lout

RXE2+/B6

HPDCTRL

CN402

CONN24X2 2MM

2

4

6

8

10

12

14

16

18

20

22

24

1

3

5

7

9

11

13

15

17

19

21

23

R409

10KΩ 1/10W

C418 0.01uF

HD-Rin+

PR+

R459
1KΩ 1/10W

PWM0

AUCOM

R401

100Ω 1/10W

WP_FSH

C421 0.01uF

R762

4.7KΩ 1/10W

R436

10Ω 1/10W

RXE1-/G1

G_TX1-

Location Near IC Pin.

LCK

R430
NC

C404
33pF

R419

8.2KΩ 1/10W

VCOM1

SCL

LDE

PY -

R439

10Ω 1/10W

C424 0.1uF

BIN-

AMP-Lout

+3.3V

5Vstb

RIN+

PWM3

U401
MX25L4005AMC

1

2

3

4

5

6

7

8

CE#

SO

WP#

VSS

SI

SCK

HOLD#

VDD

C427 2.2uF

+

C433

10uF/16V

TXCLK-

RXE4+/B0

I2C-SCL

C431 2.2uF

ADJ-PWM2

R423

1KΩ 1/10W

for TTL output

AVDD_SIF

HDMI_SDA

ON-PBACK

PR-

SV_Y 0

AMP-MUTE

C430 2.2uF

R412
22KΩ 1/10W

VCOM2

CN401

CONN

1
2
3
4
5
6
7

Q400
3906

1

3

2

+3.3V

POWER-ON/OFF

PB+

WP_FSH

RP405

33Ω 1/16W

1

2

3

4

8

7

6

5

PY +

CVBS2

SD

A

RXOC-/R1

SV_C0

C414
100pF

SDA

RXD

RXE3-/B3

U400

MST9E19A

1
2
4
5
7
8

10
11
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

29
30
31
32
33
34
35
38
39

40
41
42
43
44
45
46
47
48
49
50
51

54
55
57
58
59

61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76

78
79
80
81
82
83
84
85
86
87

131

132

133

134

125

126

127

128

129

130

155

156

136

3

9

37

52

56

89

99

101

104

106

120

141

152

173

187

204

143

144

145

146

147

148

149

150

153

154

116

117

118

135

124
123
122
121

97
96
95
94
93
92
91
90

139
138
137

191
190
189
188

185
184
183
182
181
180
179
178
177
176
175
174
171
170
169
168
167
166
165
164
163
162
161
160

202
201
200
199
198
197
196
195

192

194
193

207

206

205

36

53

60

105

6

12

157

208

77

98

107

142

158

203

88

100

102

103

119

140

151

159

172

186

115

114

113

112

111

110

109

108

RXCKN
RXCKP
RX0N
RX0P
RX1N
RX1P
RX2N
RX2P
REXT
DDCD_DA
DDCD_CK
HSY NC1
VSY NC1
RMID
VCLAMP
REFP
REFM
BIN1P
BIN1M
SOGIN1
GIN1P
GIN1M
RIN1P
RIN1M

BIN0M
BIN0P
GIN0M
GIN0P
SOGIN0
RIN0M
RIN0P
HSY NC0
VSY NC0

C1
Y 1
C0
Y 0
VCOM2
CVBS3
CVBS2
CVBS1
VCOM1
CVBS0
VCOM0
CVBSOUT

SIF1P
SIF1M
AUVRADN
AUVRADP
AUVREF

AUL0
AUR0
AUL1
AUR1
AUCOM
AUL2
AUR2
AUL3
AUR3
AUOUTL3
AUOUTR3
AUOUTL2
AUOUTR2
AUOUTL
AUOUTR
AUOUTS

GPIOF2
GPIOF3
GPIOF4
GPIOF5
GPIOF6
GPIOF7
GPIOF8
GPIOF9
GPIOF10
GPIOF11

D

D

C

R

_D

A

D

D

C

R

_C

K

D

D

C

A_D

A

D

D

C

A_C

K

SAR

0

SAR

1

SAR

2

SAR

3

PW

M

0

PW

M

1

PW

M

2

PW

M

3

IRIN

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

GN

D

D

IGO0

D

IGO1

D

IGO2

D

IGO3

D

IGO4

D

IGO5

D

IGO6

D

IGO7

D

IGO8

D

IGO9

WRZ

RDZ

ALE

INT

SDO

CSZ

SDI

SCK

GPIOF19
GPIOF18
GPIOF17
GPIOF16
GPIOF15
GPIOF14
GPIOF13
GPIOF12

PWM_SENSE

PWM_DRV

PWM_FB

GPIOE0/LVSY NC

GPIOE1/LHSY NC

GPIOE2/LDE
GPIOE3/LCK

LB0M/R7

LB0P/R6

LB1M/R5

LB1P/R4

LB2M/R3

LB2P/R2

LBCKM/R1

LBCKP/R0

LB3M/G7

LB3P/G6

LB4M/G5

LB4P/G4

LA0M/G3

LA0P/G2

LA1M/G1

LA1P/G0
LA2M/B7

LA2P/B6

LACKM/B5

LACKP/B4

LA3M/B3

LA3P/B2

LA4M/B1

LA4P/B0

DI7
DI6
DI5
DI4
DI3
DI2
DI1
DI0

ICLK

IVSY NC

IHSY NC

XI

N

XOU

T

H

W

R

ESET

AVD

D

_AD

C

AVD

D

_SI

F

AVD

D

_AU

AVD

D

_M

EM

PLL

AVD

D

_D

VI

AVD

D

_D

VI

AVD

D

_M

PLL

AVD

D

_M

PLL

VD

D

C

VD

D

C

VD

D

C

VD

D

C

VD

D

C

VD

D

C

VD

D

P

VD

D

P

VD

D

P

VD

D

P

VD

D

P

VD

D

P

VD

D

P

VD

D

P

VD

D

P

VD

D

P

AD

7

AD

6

AD

5

AD

4

AD

3

AD

2

AD

1

AD

0

IR_SY NC

R440

1KΩ 1/10W

R414

100Ω 1/10W

G_TX1+

SST PULL DOWN

VCOM2

RXO2+/R2

VS_RGB

RIN-

SVIDEO-Y in+

SV_Y 0

RXE0-/G3

GIN-

GIN-

AV/SVIDEO-AUD-Rin+

GIN-

AMP-R

SV_C0

SCL_EXT

HDMI_SCL

AUCOM

RXOC+/R0

RXO3-/G7

R407
100Ω 1/10W

R446
NC

R449
NC

HS_RGB

RXO1+/R4

PB-

C411
0.1uF

PR+

RXO2+/R2

PB-

SIFM

R424

10Ω 1/10W

SVIDEO-Y in-

LED1

RIN+

RXO4+/G4

RXE4-/B1

KEY 1

AUVRADP

KEY 1

R413

1MΩ 1/10W

C437
2.2uF

5Vstb

G_TX1+

LHSY NC

LDE

PR-

J400
NC

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
46
47
48
49
50

51
52

C417 0.01uF

I2C address
at A0.

R411

10KΩ 1/10W

CN400
CONN

1
2
3
4
5

C405
100pF

SPI_CZ

RXO1-/R5

TUNER_CVBS

ON-PBACK

C444
NC

U403

NC

1
2
3
4

5

6

7

8

NC
E1
E2
VSS SDA

SCL

WC

VCC

AVDDA

HS_RGB

B_TX0+

AVDD_HDMI

TXCLK-

AMP-Rout

SOG

AUVRADN

SOY

AV/SVIDEO-AUD-Lin+

5Vstb

HDMI_SCL

B_TX0-

R_TX2+

RXO3+/G6

POWER-ON/OFF

C409
0.1uF
C410
0.1uF

R417

4.7KΩ 1/10W

RP401
33Ω 1/16W

1

2

3

4

8

7

6

5

R_TX2+

Mstar PULL UP

+3.3V

SOG

RXO3-/G7

RIN+

R421

390Ω 1/10W

R447

10KΩ 1/10W

AMP-L

PC-Lin

PC-Rin

RXEC-/B5

PY +

C412
100pF

R418

8.2KΩ 1/10W

TXD

B_TX0-

R403
22KΩ 1/10W

+

C406
10uF/16V

RP408
33Ω 1/16W

1
2
3
4

8
7
6
5

1%

SDA_EXT

RXE2-/B7

AMP-R

RP402

33Ω 1/16W

1

2

3

4

8

7

6

5

For VGA

RXO2+/R2

RXO3+/G6

HDMI_SCL

X400
14.318MHz

1

2

5Vstb

AV/SVIDEO-AUD-Lin+

KEY 1-in

RXE4-/B1

RP410

4.7KΩ 1/16W

1

2

3

4

8

7

6

5

RXE0+/G2

+

C434

470uF/16V

D400
BAV99

3

1

2

PC-Rin

TUNER_CVBS

PWM1

RXE2-/B7

RP409

4.7KΩ 1/16W

1

2

3

4

8

7

6

5

R426
NC

RP407

33Ω 1/16W

1

2

3

4

8

7

6

5

SY S_RST

PWM0

VCOM0

RIN-

R427

47Ω 1/10W

BIN-

RXO2-/R3

LVSY NC

SPI_CZ

R416

100Ω 1/10W

DDC-TXD

PANEL-ON/OFF

VCOM0

TXD

SIFM

RXE3+/B2

R_TX2+

RIN-

R410

10KΩ 1/10W

+3.3V

ASTB

RXO0+/R6

DDCWP

TXCLK+

5Vstb

TV1-Vin-

HD-Lin+

SVIDEO-Y in+

HDMI_SDA

PWM1

PB+

715T2509-1

C792

2.2uF