Toshiba 8M26C User manual

SERVICE MANUAL

8M266 CHASSIS

Description:

MODEL.

Engineering Dept:

Artwork By:

Checked By:

Approved By:

Brand Name:

JOB NO.

Date:

SERVICE MANUAL 8M26S

2011-8-10

SKYWORTH

SIZE:A5

Design and specifications are subject to change without prior notice.

(Only Referrence)

Content--------------------------------------------------------------2

11-17

18

19-20

21-28

29-45

46-49

50-57

LED 8M26S

TOSHIBA CODE

Component

NTSC-M PAL-M PAL-N

VHF LOW 2~B

VHF HIGH C~W+11

VHF W+12~69

55.25MHz ~ 127.25MHz

133.25MHz ~ 311.25MHz

367MHz ~ 801.25MHz

40

55

80

For 22” LED

For 24” LED

For 32” LED

(24 inches is 3W)

(24 inches is 4 ohm)

40

3

2

1

4.2

50

0.5

80

40

3

12000

(26inches

is

8

ohm)

40

YES

8

6

46

NO

Standard

Spanish

Standard

20

4

2

4

0 40 7 0

0 40

40 85

-Y0 50

30000

5

4

3

2

1

D

C

B

A A

LVDS OUT

U10

MST6E181VS

PS331TQFP64G

YPbPr AV2 INHDMI 1 VGA

PC

EARPHONE

AV OUT

S/PDIP

U7 U1

SPEAKER

U19

2P3P1P

TU2

U42

FLASH

U29

M13S2561616A-5TG2K ESMT

SCL

TUNER

P7

SDA

BH3544F-E2 TPA3113D2/

AUDIO

HDMI 2

P6

P13

P12

CON10

TPA1517NE

CON6 MEDIA 1

MEDIA 2

AV1 IN

CON11

IC Block Diagram

-11-

-

U20 U23 U31 3.3V/1A 3-TERMINAL POSITIVE VOL TAGEREGULATOR LD1117-3.3 SOT-223

8᧤9$/2:'523287/,1($5$55(*8/$725᧥/'$'-72

Thermal

Protection

+

-

For Adjustable Output, disconnect A1 and A2, connect B

INPUT

OUTPUT

ADJ/

GND

A1

A2

B

For Fixed Output, connect A1 and A2, disconnect B

1

2

3

U28˄1A 3.3V SOT-223˅AS1117L-ADJ

U6 ˄(1MHZ,800MA SYNCHRONOUS STEP-DOWN CONVERTER˅MP2105DJ TSOT23-5

-12-

IC Block Diagram

-13-

U10(LCDTV CONTROLLER WITH VIDEO ECODE)MST6E181VS

PIN D IAGRAM (MST6E181VS)

MST6E181VS

198

199

217

2

1

216

215

214

213

212

211

210

209

208

207

206

205

204

203

202

201

200

197

196

195

194

193

192

191

190

189

188

187

186

185

184

183

182

181

180

179

178

177

176

175

174

173

172

171

170

169

168

167

166

165

164

163

162

161

160

159

158

157

156

155

154

153

152

151

150

149

148

147

146

145

144

143

142

141

140

139

138

137

136

135

134

133

132

131

130

129

128

127

126

125

124

123

122

121

120

119

118

117

116

115

114

113

112

111

110

109

108

107

106

105

104

103

102

101

100

99

98

97

96

95

94

93

92

91

90

89

88

87

86

85

84

83

82

81

80

79

78

77

76

75

74

73

72

71

70

69

68

67

66

65

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

DM_P1

DP_P1

E-pad

CEC

IRIN

GPIO9/PM6/CS1

GPIO8/PM5/RX

GPIO7/PM4/POWER_ON

GPIO6/PM1/TX

DDCA_DA

DDCA_CK

GPIO10/PMGPIO

GPIO13/SAR2

GPIO12/SAR1

GPIO11/SAR0

SPI_CZ

SPI_DO

SPI_DI

SPI_CK

GND_EFUSE

DVDD_NODIE

AVDD_NODIE

DP_P0

DM_P0

TESTPIN

DDCR_CK

VDDP_3

DDCR_DA

VDDC

A_DDR1_A4

A_DDR1_A5

A_DDR1_A6

A_DDR1_A7

A_DDR1_A8

AVDDIO_2.5V

A_DDR1_A9

A_DDR1_A11

A_DDR1_A12

A_DDR1_CKE

NC

A_DDR1_MCLK

AVDDIO_2.5V

A_DDR1_MCLKZ

A_DDR1_DQ15

AVDDIO_2.5V

A_DDR1_DQ14

A_MVREF

A_DDR1_DQ13

A_DDR1_DQ12

A_DDR1_DQ11

A_DDR1_DQ10

AVDDIO_2.5V

A_DDR1_DQ9

A_DDR1_DQ8

UDQS0

UDQM0

AVDD_PLL

DVDD_DDR_1.2V

LDQM0

LDQS0

AVDDIO_2.5V

NC

A_DDR1_DQ7

A_DDR1_DQ6

A_DDR1_DQ5

AVDDIO_2.5V

A_DDR1_DQ4

A_DDR1_DQ3

A_DDR1_DQ2

A_DDR1_DQ1

AVDDIO_2.5V

A_DDR1_DQ0

A_DDR1_WEZ

A_DDR1_CAS

A_DDR1_RAS

A_DDR1_BA0

AVDDIO_2.5V

A_DDR1_BA1

A_DDR1_A10

A_DDR1_A0

A_DDR1_A1

A_DDR1_A2

A_DDR1_A3

NC

VDDC

GPIO21/PWM1

GPIO20/PWM0

VDDP_2

GPIO77/I2S_OUT_MUTE/PWM3/LVSYNC

GPIO76/I2S_IN_BCK/PWM2/LHSYNC

GPIO75/I2S_IN_SD/PWM5/TX3/LDE

GPIO74/I2S_IN_WS/PWM4/RX3/LCK

AVDD_LPLL

AVDD2P5_MOD

VDDC

R_ODD7/RXO0-

R_ODD6/RXO0+

R_ODD5/RXO1-

R_ODD4/RXO1+

R_ODD3/RXO2-

R_ODD2/RXO2+

R_ODD1/RXOC-

R_ODD0/RXOC+

G_ODD7/RXO3-

G_ODD6/RXO3+

G_ODD5/RXO4-

G_ODD4/RXO4+

G_ODD3/RXE0-

G_ODD2/RXE0+

AVDD2P5_MOD

G_ODD1/RXE1-

G_ODD0/RXE1+

B_ODD7/RXE2-

B_ODD6/RXE2+

B_ODD5/RXEC-

B_ODD4/RXEC+

B_ODD3/RXE3-

B_ODD2/RXE3+

B_ODD1/RXE4-

B_ODD0/RXE4+

NC

GPIO49

GPIO47

GPIO45

GPIO38

GPIO37

GPIO36

GPIO32/I2S_OUT_BCK

GPIO30/I2S_OUT_MCK

GPIO28

VDDP_1

VDDC

GPIO27/SPDIF_OUT

GPIO26/SPDIF_IN/RX1/PWM3

GPIO25/TUNER_SDA

GPIO24/TUNER_SCL

GPIO23/I2S_OUT_SD/TX2

GPIO22/I2S_OUT_WS/RX2

TAGC

SIFM

SIFP

AVDD25_PGA

VIFP

VIFM

AVSS_PGA

AVDD25_REF

AVDD_DMPLL

XTAL_OUT

XTAL_IN

NC

LINEOUT_R0

LINEOUT_L0

LINEOUT_R3

LINEOUT_L3

AVDD_AU33

LINEIN_R5

LINEIN_L5

LINEIN_R4

LINEIN_L4

LINEIN_R3

LINEIN_L3

AVDD_AU25

VAG

VRP

VRM

LINEIN_R1

LINEIN_L1

LINEIN_R0

LINEIN_L0

CVBS_OUT1

VCOM

CVBS0

CVBS1

CVBS2

CVBS3

CVBS4

AVDD3P3_ADC

RIN1P

GIN1M

GIN1P

SOGIN1

BIN1P

AVDD2P5_ADC

AVDD1P2

VSYNC0

RIN0P

GIN0M

GIN0P

SOGIN0

BIN0P

HSYNC0

VDDC

NC

ARC

DDCDA_CK

RX2P

RX2N

DDCDA_DA

RX1P

RX1N

AVDD_DVI_3.3V

RX0P

RX0N

RXCP

RXCN

HOTPLUGA

RESET

U?

IC Block Diagram

-14-

U29 4MX16BIT BANKS DDR M13S2561616A-5TG2K

IC Block Diagram

-15-

8᧤0%,7&0266(5,$/)/$6+᧥623

Address

Generator

MemoryArray

Page Buffer

Y-D ecod er

Data

Register

SRAM

B uffer

SI/SIO0

S CLK Clock G enerator

S tate

Machine

M ode

Logic

Sense

Am plifier

HV

Generator

Output

B uffer

SO /SIO1

CS#,

WP#,

HOLD#

IC Block Diagram

-16-

U19(HDMI SWITCH) PS331TQFP64G

SiI9185 Pin Mapping

POW2

HPD2

SDA2

SCL2

GND

B21

A21

VCC

B22

A22

GND

B23

A23

VCC

B24

A24

POW1

HPD1

HPD_SINK

SDA_SINK

SCL_SINK

NC

Z1

Y1

Z2

Y2

Z3

Y3

VCC

Z4

Y4

GND

I2C_ADDR

SCL_CTL

SDA_CTL

A34

B34

VCC

A33

B33

A32

B32

A31

B31

GND

SCL3

SDA3

HPD3

POW3

CEXT

I2C_RST

SDA1

SCL1

B11

A11

B12

A12

B13

A13

B14

A14

REXT

POWDN

1

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

17

18

19

20

50

49

48 47

46

45 44 43 42 41

60

59

58

57

56

55

54

53

52

51

21

22

23

24

25

26

27

28

29

30

31

32

3334353637383940

64

63

62

61

POW_SINK

PS331

U1(DUAL BTLCLASS D AUDIO AMPLIFIER) TPA3113D2

IC Block Diagram

-17-

1

2

3

4

5

6

7

8

9

10

28

27

26

25

24

23

22

21

20

19

SD

FAULT

LINP

LINN

GAIN0

GAIN1

AVCC

AGND

GVDD

PLIMIT

PVCCL

BSPL

OUTPL

PGND

OUTNL

BSNL

BSNR

OUTNR

PGND

RINN

RINP

NC

11

12

13

14

18

17

16

15

OUTPR

BSPR

PVCCR

PBTL

-18-

-19-

Main PCB Top/Bottom Layer

-20-

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Toshiba 8M26C User manual

Toshiba 8M26C User manual

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