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MULTI_PW_SW

10

R859

56

AR812

SUB_SDA

HPD_MST_3

+1.8V_DDR

COMP2_PB

RT1C3904-T112

Q802

E

B

C

DDR2_DQM0

100

R825

0.047uF

C828

KEY1

RL_ON

MX25L6405DMI-12G

IC802

3 NC_1

2 VCC

4 NC_2

1 HOLD

6 NC_4

5 NC_3

7 CS

8 SO/SIO1

9

WP/ACC

10

GND

11

NC_5

12

NC_6

13

NC_7

14

NC_8

15

SI.SIO0

16

SCLK

0.01uF

C864

0.1uF

C882

I2S_SCK

TMDS2_RX2-

0.1uF

C833

I2S_MCLK

USB_DN

100

R882

MAIN_SIF

PC_G

100

R8024

33

R844

10

R801

HDMI3_SIDE

0.047uF

C830

PANEL_STATUS

TM

MNT_VOUT_T

TM

0.1uF

C842

SW_RESET

RXD

0.01uF

C858

TM

+3.3V_MULTI_MST

0.1uF

C813

12MHz

X801

10

R874

1M

R839

4.7uF

C812

RL_ON

M_SDA

DDC_SDA3

+3.3V_MULTI_MST

+3.3V_MST

MUTE_LINE

EEP_SCL

E-DIM

SIDE_RIN

10

R862

56

AR805

DDR2_DQM1

10

R848

HDMI3_SIDE

EEP_SCL

CEC_C

10uF

C866

0.01uF

C860

47

R834

56

AR813

TM

SYS_RESET

SPI_CZ

I2S_SDO

0.1uF

C815

22K

R842

TM

DDC_SCL1

0.047uF

C837

POWER_SW

47

R832

TMDS2_RXC-

+5VST_MST

0.1uF

C848

56

AR810

10

R841

HDMI3_SIDE

0.1uF

C838

+1.2V_VDDC_MST

+3.3V_MULTI_MST

JTP-1127WEM

SW800

1

2

4

3

MNT_L_AMP

0 . 1 u F

C811

MNT_VOUT

DDR2_CASZ

PANEL_ON

1000pF

C835

0.1uF

C849

PC_B

TM

+3.3V_MULTI_MST

0.047uF

C829

DDC_SCL3

DDR2_BA1

DISP_EN/VAVS_ON

DDR2_RASZ

DDR2_D[0-15]

TMDS3_RX0-

10

R854

COMP2_Y

33

AR818

0.047uF

C832

PC_AUD_L

PC_VS

CVBS_LIN

SPI_DI

402

R807

READY

0.1uF

C883

DDR2_BA0

EEP_SCL

10

R820

HDMI3_SIDE

0.01uF

C859

+3.3V_MULTI_MST

DDR2_DQS0M

SIDE_LIN

SIDE_V

0.047uF

C831

0.01uF

C803

TM

+1.8V_DDR

DDC_SDA1

SUB_SCL

DSUB_SDA

10

R890

100

R881

CAT24WC08W-T

IC803

3

A2

2

A1

4

VSS

1

A0

5

SDA

6

SCL

7

WP

8

VCC

DDR2_CKE

+12V_AUDIO

SPI_CLK

+3.3V_MULTI_MST

DDR2_DQS1M

0.01uF

C807

KDS181

D803

USB_DP

+3.3V_MST

100

R8025

+3.3V_MULTI_MST

56

AR809

I-DIM

SPI_CZ

0.1uF

C808

0.1uF

C804

56

R852

IR

0.01uF

C841

EEP_SDA

DDR2_A[0-12]

+3.3V_MULTI_MST

10

R822

HDMI3_SIDE

CVBS_VIN

10

R851

DDR2_DQS1P

10

R823

HDMI3_SIDE

TMDS3_RXC-

MNT_VOUT_T

TMDS2_RX0-

+3.3V_MULTI_MST

DDR2_DQS0P

10

R821

HDMI3_SIDE

10

R869

47

R837

DDR2_MCLKZ

DDR2_WEZ

TXD

56

AR806

0.047uF

C834

EEP_SDA

TM

24LC256-I/SM

IC801

3

A2

2

A1

4

VSS

1

A0

5

SDA

6

SCL

7

WP

8

VCC

COMP2_R

M_SCL

+3.3V_MULTI_MST

PC_HS

TMDS1_RX2-

0.01uF

C850

+3.3V_MULTI_MST

TM

47uF25V

C870

+3.3V_MULTI_MST

470

R835

10

R891

KDS181

D802

TV_MAIN

1000pF

C818

COMP2_PR

RT1C3904-T112

Q804

NON 19_22"

E

B

C

0 . 1 u F

C867

22K

R845

100

R8026

TMDS3_RX1-

P_24V_SMALL_15V

0.01uF

C840

2.2uF

C861

HPD_MST_1

10

R873

10

R880

SPI_DO

PC_AUD_R

0.01uF

C810

56

AR814

+1.2V_VDDC_MST

100

R8023

TMDS2_RX1-

DDC_SCL2

10

R858

10

R892

TM

10

R871

TM

EEP_SDA

56

AR800

10

R805

HDMI3_SIDE

KDS181

D801

DDR2_ODT

TMDS1_RXC-

SPI_DI

I2S_WS

DDR2_MCLK

0.047uF

C826

TMDS1_RX0-

10

R872

MNT_R_AMP

10

R879

HPD_MST_2

0.1uF

C853

0.01uF

C839

DSUB_SCL

0.01uF

C865

COMP2_L

10uF

16

V

C809

+1.8V_DDR

0.01uF

C862

+1.2V_VDDC_MST

TMDS1_RX1-

4.7uF

C820

100

R824

100

R829

KEY2

56

AR815

TM

0.01uF

C857

CVBS_RIN

2.2uF

C856

0.1uF

C869

+5VST_MST

0.1uF

C814

PC_R

SPI_CLK

33

R843

0.1uF

C844

10

R856

TMDS3_RX2-

0.01uF

C876

DDC_SDA2

SPI_DO

P_12V_SMALL_15V

+5VST_MST

POWER_DET

POWER_DET

RT1C3904-T112

Q803

E

B

C

+5VST_MST

SYS_RESET

100

R8012

0.01uF

C877

0.01uF

C878

0.01uF

C879

TXD

RXD

0.1uF

C863

ISA1530AC1

Q800

E

B

C

ISA1530AC1

Q801

E B

C

2 . 2 u F
16V

C8000

READY

+3.3V_MULTI_MST

0

R806

0

R870

S_VIDEO_DET

SIDE_Y

SIDE_C

DDC_WP

OPC_EN

4.7K

R877

4.7K

R8004

4.7K

R817

470

R809

47

R8041

220

R808

68

R810

0

R800

READY

0

R8001

390

R840

47

R814

47

R816

47

R818

47

R838

47

R833

47

R836

470

R803

47

R804

47

R815

47

R897

47

R802

47

R831

47

R857

47

R830

47

R875

47

R876

100

R846

100

R847

100

R8039

HDMI3_SIDE

100

R8040

HDMI3_SIDE

4.7K

R863

4.7K

R864

100

R8042

1K

R8038

1K

R8018

4.7K

R865

4.7K

R866

1K

R867

1K

R868

100

R

80

21

100

R

80

22

100

R850

100

R849

100

R895

0

READY

R8017

0

READY

R8016

0

R8033

READY

0

R8034

0

R8035

10K

R8020

10K

R8003

0.047uF

C800

0.047uF

C801

0.047uF

C827

0.047uF

C825

0.047uF

C847

0.047uF

C845

0.047uF

C843

0.047uF

C836

0.1uF

C868

1000pF

C846

1K

R884
READY

1K

R889

1K

R811
READY

1K

R883

4.7K

R8028

4.7K

R8027

22

R812

22

R813

0.1uF

C819

0.1uF

C806

0.1uF

C805

4.7K

Non_Small_FHD

R8010-*2

4.7K

Small_FHD

R8010-*1

4.7K

Small_HD

R896

4.7K

Apollo

R8010-*3

4.7K

Small_FHD

R896-*1

4.7K

Non_Small_HD

R8011-*1

4.7K

Non_Small_HD

R896-*2

4.7K

Apollo

R8011-*2

4.7K

Apollo

R898-*1

4.7K

Non_Small_FHD

R898

4.7K

100Hz

R8011-*3

4.7K

100Hz

R898-*2

4.7K R8011

Small_FHD

4.7K

R8010

Small_HD

22

R8005

22

R8006

0

R826

0

R827

4 . 7 u F

10V

C871

READY

120-ohm

L800

120-ohm

L801

120-ohm

L802

2.2uF

C823

2.2uF

C824

2.2uF

C821

2.2uF

C873

2.2uF

C822

2.2uF

C874

2.2uF

C802

2.2uF

C875

MST99A88ML(MATRIX BASIC)

IC800

1 RXBCKN
2 RXBCKP
3 RXB0N
4 RXB0P
5 HOTPLUGB
6 RXB1N
7 RXB1P
8 AVDD_33_1
9 RXB2N
10 RXB2P
11 RXACKN
12 RXACKP
13 RXA0N
14 RXA0P
15 AVDD_33_2
16 RXA1N
17 RXA1P
18 GND_1
19 RXA2N
20 RXA2P
21 HOTPLUGA
22 REXT
23 VCLAMP
24 REFP
25 REFM
26 BIN1P
27 SOGIN1
28 GIN1P
29 RIN1P
30 BINM
31 BIN0P
32 GINM
33 GIN0P
34 SOGIN0
35 RINM
36 RIN0P
37 AVDD_33_3
38 GND_2
39 BIN2P
40 GIN2P
41 SOGIN2
42 RIN2P
43 CVBS6
44 CVBS5
45 CVBS4
46 CVBS3
47 CVBS2
48 CVBS1
49 VCOM1
50 CVBS0
51 VCOM0
52 AVDD_33_4
53 CVBSOUT
54 GND_3
55 SIF0P
56 SIF0M
57 VDDC_1
58 AUL5
59 AUR5
60 AUVRM
61 AUOUTL2
62 AUOUTR2
63 AUOUTL1
64 AUOUTR1

65

AUL0

66

AUR0

67

AUL1

68

AUR1

69

AUL2

70

AUR2

71

AUL3

72

AUR3

73

AUCOM

74

AUL4

75

AUR4

76

GND_4

77

AUVRP

78

AUVAG

79

AVDD_AU

80

GND_5

81

VDDC_2

82

DDCA_CK

83

DDCA_DA

84

DDCDA_CK

85

DDCDA_DA

86

DDCDB_CK

87

DDCDB_DA

88

GPIO20

89

VDDP_1

90

VDDC_3

91

UART2_RX

92

UART2_TX

93

DDCDC_CK

94

RXCCKN

95

RXCCKP

96

DDCDC_DA

97

RXC0N

98

RXC0P

99

GND_6

10

0

RXC1N

10

1

RXC1P

10

2

AVDD_DM

10

3

RXC2N

10

4

RXC2P

10

5

HOTPLUGC

106

U

SB

1_

D

M

107

U

S

B

1_

D

P

108

SC

K

109

SD

I

110

SD

O

111

SC

Z

112

PW

M

0

113

PW

M

1

114

PW

M

2

115

PW

M

3

11

6

LVA4P

117

LV

A4

M

11

8

LVA3P

119

LV

A3

M

12

0

LVACKP

12

1

LVACKM

12

2

LVA2P

123

LV

A2

M

12

4

LVA1P

125

LV

A1

M

12

6

LVA0P

127

LV

A0

M

12

8

VDDP_2

129

LVB4P

130

LVB4M

131

LVB3P

132

LVB3M

133

LVBCKP

134

LVBCKM

135

LVB2P

136

LVB2M

137

LVB1P

138

LVB1M

139

LVB0P

140

LVB0M

141

AVDD_LPLL

142

GND_7

143

VDDC_4

144

GPIO150/I2C_OUT_MUTE

145

GPIO151/I2C_OUT_SD2

146

GPIO152/I2C_OUT_SD3

147

GND_8

148

GPIO51

149

GPIO52

150

GPIO53

151

GPIO54

152

GPIO55

153

GPIO56

154

GPIO57

155

GPIO58

156

VDDP_3

157

VDDC_5

158

B_MDATA[4]

159

B_MDATA[3]

160

GND_9

161

B_MDATA[1]

162

B_MDATA[6]

163

AVDD_DDR_1

164

B_MDATA[11]

165

B_MDATA[12]

166

GND_10

167

B_MDATA[9]

168

B_MDATA[14]

169

AVDD_DDR_2

170

B_DDR2_DQM[1]

171

B_DDR2_DQM[0]

172

GND_11

173

B_DDR2_DQS[0]

174

B_DDR2_DQSB[0]

175

AVDD_DDR_3

176

VDDP_4

177

GND_12

178

B_DDR2_DQS[1]

179

B_DDR2_DQSB[1]

180

AVDD_DDR_4

181

B_MDATA[15]

182

B_MDATA[8]

183

GND_13

184

B_MDATA[10]

185

B_MDATA[13]

186

AVDD_DDR_5

187

B_MDATA[7]

188

B_MDATA[0]

189

B_MDATA[2]

190

B_MDATA[5]

191

B_MCLK

192

B_MCLKZ

193

GND_14

194

AVDD_MEMPLL

195

MVREF

196

A_ODT

197

A_RASZ

198

A_CASZ

199

A_MADR[0]

200

A_MADR[2]

201

A_MADR[4]

202

GND_15

203

A_MADR[6]

204

A_MADR[8]

205

A_MADR[11]

206

A_WEZ

207

A_BADR[1]

208

A_BADR[0]

209

A_MADR[1]

210

A_MADR[10]

211

AVDD_DDR_6

212

A_MADR[5]

213

A_MADR[9]

214

A_MADR[12]

215

A_MADR[7]

216

A_MADR[3]

217

A_MCLKE

218

VDDC_6

219

I2S_IN_WS/GPIO67

220

I2S_IN_BCK/GPIO68

221

I2S_IN_SD

222

I2S_OUT_MCK

223

I2S_OUT_WS

224

VDDP_5

225

GND_16

226

VDDC_7

227

I2S_OUT_BCK

228

I2S_OUT_SD

229

SPDIFO

230

UART2_RX/I2CM_SDA

231

UART2_TX/I2CM_SCK

232

UART1_RX/GPIO86

233

UART1_TX/GPIO87

234

GND_17

235

GND_18

236

USB0_DM

237

USB0_DP

238

SAR0

239

SAR1

240

SAR2

241

SAR3

242

AVDD_MPLL

243

XOUT

244

XIN

245

GPIO134

246

GPIO135

247

GPIO138

248

GPIO139

249

GPIO140

250

IRIN

251

HSYNC0

252

VSYNC0

253

HSYNC1

254

VSYNC1

255

CEC

256

HWRESET

LGE3767A [MST99A88ML(MATRIX ONLY SD DIVX_ NON RM) ]

IC800-*1

1

RXBCKN

2

RXBCKP

3

RXB0N

4

RXB0P

5

HOTPLUGB

6

RXB1N

7

RXB1P

8

AVDD_33_1

9

RXB2N

10

RXB2P

11

RXACKN

12

RXACKP

13

RXA0N

14

RXA0P

15

AVDD_33_2

16

RXA1N

17

RXA1P

18

GND_1

19

RXA2N

20

RXA2P

21

HOTPLUGA

22

REXT

23

VCLAMP

24

REFP

25

REFM

26

BIN1P

27

SOGIN1

28

GIN1P

29

RIN1P

30

BINM

31

BIN0P

32

GINM

33

GIN0P

34

SOGIN0

35

RINM

36

RIN0P

37

AVDD_33_3

38

GND_2

39

BIN2P

40

GIN2P

41

SOGIN2

42

RIN2P

43

CVBS6

44

CVBS5

45

CVBS4

46

CVBS3

47

CVBS2

48

CVBS1

49

VCOM1

50

CVBS0

51

VCOM0

52

AVDD_33_4

53

CVBSOUT

54

GND_3

55

SIF0P

56

SIF0M

57

VDDC_1

58

AUL5

59

AUR5

60

AUVRM

61

AUOUTL2

62

AUOUTR2

63

AUOUTL1

64

AUOUTR1

65

AUL0

66

AUR0

67

AUL1

68

AUR1

69

AUL2

70

AUR2

71

AUL3

72

AUR3

73

AUCOM

74

AUL4

75

AUR4

76

GND_4

77

AUVRP

78

AUVAG

79

AVDD_AU

80

GND_5

81

VDDC_2

82

DDCA_CK

83

DDCA_DA

84

DDCDA_CK

85

DDCDA_DA

86

DDCDB_CK

87

DDCDB_DA

88

GPIO20

89

VDDP_1

90

VDDC_3

91

UART2_RX

92

UART2_TX

93

DDCDC_CK

94

RXCCKN

95

RXCCKP

96

DDCDC_DA

97

RXC0N

98

RXC0P

99

GND_6

100

RXC1N

101

RXC1P

102

AVDD_DM

103

RXC2N

104

RXC2P

105

HOTPLUGC

106

USB1_DM

107

USB1_DP

108

SCK

109

SDI

110

SDO

111

SCZ

112

PWM0

113

PWM1

114

PWM2

115

PWM3

116

LVA4P

117

LVA4M

118

LVA3P

119

LVA3M

120

LVACKP

121

LVACKM

122

LVA2P

123

LVA2M

124

LVA1P

125

LVA1M

126

LVA0P

127

LVA0M

128

VDDP_2

129

LVB4P

130

LVB4M

131

LVB3P

132

LVB3M

133

LVBCKP

134

LVBCKM

135

LVB2P

136

LVB2M

137

LVB1P

138

LVB1M

139

LVB0P

140

LVB0M

141

AVDD_LPLL

142

GND_7

143

VDDC_4

144

GPIO150/I2C_OUT_MUTE

145

GPIO151/I2C_OUT_SD2

146

GPIO152/I2C_OUT_SD3

147

GND_8

148

GPIO51

149

GPIO52

150

GPIO53

151

GPIO54

152

GPIO55

153

GPIO56

154

GPIO57

155

GPIO58

156

VDDP_3

157

VDDC_5

158

B_MDATA[4]

159

B_MDATA[3]

160

GND_9

161

B_MDATA[1]

162

B_MDATA[6]

163

AVDD_DDR_1

164

B_MDATA[11]

165

B_MDATA[12]

166

GND_10

167

B_MDATA[9]

168

B_MDATA[14]

169

AVDD_DDR_2

170

B_DDR2_DQM[1]

171

B_DDR2_DQM[0]

172

GND_11

173

B_DDR2_DQS[0]

174

B_DDR2_DQSB[0]

175

AVDD_DDR_3

176

VDDP_4

177

GND_12

178

B_DDR2_DQS[1]

179

B_DDR2_DQSB[1]

180

AVDD_DDR_4

181

B_MDATA[15]

182

B_MDATA[8]

183

GND_13

184

B_MDATA[10]

185

B_MDATA[13]

186

AVDD_DDR_5

187

B_MDATA[7]

188

B_MDATA[0]

189

B_MDATA[2]

190

B_MDATA[5]

191

B_MCLK

192

B_MCLKZ

193

GND_14

194

AVDD_MEMPLL

195

MVREF

196

A_ODT

197

A_RASZ

198

A_CASZ

199

A_MADR[0]

200

A_MADR[2]

201

A_MADR[4]

202

GND_15

203

A_MADR[6]

204

A_MADR[8]

205

A_MADR[11]

206

A_WEZ

207

A_BADR[1]

208

A_BADR[0]

209

A_MADR[1]

210

A_MADR[10]

211

AVDD_DDR_6

212

A_MADR[5]

213

A_MADR[9]

214

A_MADR[12]

215

A_MADR[7]

216

A_MADR[3]

217

A_MCLKE

218

VDDC_6

219

I2S_IN_WS/GPIO67

220

I2S_IN_BCK/GPIO68

221

I2S_IN_SD

222

I2S_OUT_MCK

223

I2S_OUT_W

S

224

VDDP_5

225

GND_16

226

VDDC_7

227

I2S_OUT_BCK

228

I2S_OUT_SD

229

SPDIFO

230

UART2_RX/I2CM_SDA

231

UART2_TX/I2CM_SCK

232

UART1_RX/GPIO86

233

UART1_TX/GPIO87

234

GND_17

235

GND_18

236

USB0_DM

237

USB0_DP

238

SAR0

239

SAR1

240

SAR2

241

SAR3

242

AVDD_MPLL

243

XOUT

244

XIN

245

GPIO134

246

GPIO135

247

GPIO138

248

GPIO139

249

GPIO140

250

IRIN

251

HSYNC0

252

VSYNC0

253

HSYNC1

254

VSYNC1

255

CEC

256

HWRESET

3.3K

R819

DSUB_SDA

LED_R

RT1C3904-T112

Q805

READY

E

B

C

DDC_WP

10K

R828

READY

4.7K

R878

4.7K

R893

1K

R861

0

R8037

NON 19_22"

0

R894

0

R899

2K

R886

150

R885

1K

R860

10K

R8000

33K

R8007

NON 19_22"

10K

R855

1K

R853

100

R888

33K

R887

20K

R8036

19_22_26"

20pF

C817

20pF

C816

DDR2_A[2]

DDR2_D[1]

DDR2_A[6]

GND

DDR2_D[5]

DDR2_A[10]

DDR2_D[0]

DDR2_D[10]

DDR2_A[12]

DDR2_D[14]

DDR2_A[0]

DDR2_D[6]

DDR2_A[5]

DDR2_D[3]

DDR2_A[4]

DDR2_D[4]

DDR2_D[12]

DDR2_A[9]

DDR2_D[11]

DDR2_A[8]

DDR2_D[8]

DDR2_D[7]

DDR2_D[15]

DDR2_D[9]

DDR2_A[3]

DDR2_D[13]

DDR2_A[11]

DDR2_D[2]

DDR2_A[1]

DDR2_A[7]

TXCE4-

TXCE4+

TXCE3-

TXCE3+

TXCLKE-

TXCE2-

TXCE2+

TXCE1-

TXCE1+

TXCE0-

TXCE0+

TXCO4-

TXCO4+

TXCO3-

TXCO3+

TXCLKO-

TXCO2-

TXCO2+

TXCO1-

TXCO1+

TXCO0-

TXCO0+

I2S_OUT

HDMI_3

EEPROM

HDMI_1

[MODE SELECTION]

HDMI_2

C804/C805/C806:Close to IC 
                              a s   c l o s e   a s   p o s s i b l e

GAIN X 4

RESET

Close to IC

with width trace

C l o s e   t o   I C   a s   c l o s e   a s   p o s s i b l e

HDCP EEPROM

USB PART

SERIAL FLASH 64M

S-VIDEO

4.7K

X

4.7K

4.7K

X

4.7K

R8010

X

R898

Non Small FHD

4.7K

X

4.7K

Small HD

*H/W OPTION

4.7K

4.7K

4.7K

100HZ

4.7K

4.7K

4.7K

Apollo

Non Small HD

R8011

X

X

X

4.7K

X

R896

X

Small FHD (27)

4.7K

X

* *   S m a l l   H D   :   1 9 / 2 2 / 2 6   I n c h

* *   N o n   S m a l l   F H D   :   N o r m a l ( n o n   1 0 0 H z )   F H D   M o d e l

THE      SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.

SCHEMA

TIC DIAGRAM

Copyright              LG Electronics. Inc. All right reserved. 

Only for training and service purposes

LGE Internal Use Only

MST

AR

Summary of Contents for 26LH20R

Page 1: ... SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LP91A MODEL 26LH20R 26LH20R MA North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Page 2: ...nc All right reserved Only for training and service purposes LGE Internal Use Only 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 11 TROUBLE SHOOTING 16 BLOCK DIAGRAM 19 EXPLODED VIEW 20 SVC SHEET ...

Page 3: ...heck Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to...

Page 4: ...n your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge b...

Page 5: ...e solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced...

Page 6: ... products is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 5 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC No Item Specification Measurement Remark...

Page 7: ...Picture mode Vivid 8 Component Video Input Y PB PR No Specification Remark Resolution H freq kHz V freq Hz Pixel Clock MHz 1 720 480 15 73 59 94 13 500 SDTV DVD 480I 525I 2 720 480 15 75 60 00 13 514 SDTV DVD 480I 525I 3 720 576 15 625 50 00 13 500 SDTV DVD 576I 625I 50Hz 4 720 480 31 47 59 94 27 000 SDTV 480P 5 720 480 31 50 60 00 27 027 SDTV 480P 6 720 576 31 25 50 00 27 000 SDTV 576P 50Hz 7 128...

Page 8: ... 363 60 004 65 00 VESA XGA 4 1280 x 768 47 776 59 87 79 5 VESA WXGA 5 1360 x 768 47 72 59 799 84 62 VESA WXGA 6 1366 x 768 47 7 60 00 84 62 WXGA 7 1280 x 1024 63 595 60 00 108 875 SXGA 8 1920 x 1080 66 647 59 988 138 625 WUXGA 10 2 DTV Mode No Specification Remark Resolution H freq kHz V freq Hz Pixel Clock MHz 1 720 x 480 15 73 59 94 13 500 SDTV DVD 480I 525I 2 720 x 480 15 75 60 00 13 514 SDTV D...

Page 9: ...Back cover and Middle Cabinet 0 b B Side gap Gap a between Front Frame and Middle Cabine 0 a A Side gap b a Gap a between Front Frame and Middle Cabine 0 a A Left Right gap 3 Gap between Back Cover and Side AV Back View Side View Side AV Back Cover Gap f between Back Cover and Side AV 0 f 1 0 Gap g between Back Cover and Side AV 0 g 1 0 11 Mechical spec No Item Min Typ Max Unit 1 C A B C top gap 0...

Page 10: ... right of active area and bezel C Interval between top of active area and bezel D Interval between bottom of active area and beze 4 Gap between Back Cover and Side AV 10 LGE Internal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes Side View h Control Braket Back Cover Gap h between Back Cover and Control Bracket 0 h 0 8 C B D A Active Area Bezel ...

Page 11: ...r must keep 100 220V 50 60Hz 5 Before adjustment execute Heat Run for 5 minutes at RF no signal 3 Adjustment items 3 1 PCB assembly adjustment items 1 Download the MSTAR main software IC800 Mstar ISP Utility 1 Using D L Jig 2 Using USB Memory Stick 2 ADC Calibration RGB Component 3 Input Tool Option Area option 4 Check SW Version 4 PCB assembly adjustment method 4 1 Mstar Main S W program download...

Page 12: ...connect the MSPG equipment There are two methods of downloading the edid data 4 4 1 1st Method EDID datas are automatically downloaded when adjusting the Tool Option2 Automatically downloaded when pushing the enter key after adjusting the tool option2 It takes about 2seconds 4 4 2 2nd Method Caution Must be checked that the tool option is right or not If tool option is wrong hdmi edid data could n...

Page 13: ...and press ENTER A 6 ADC adjustment is executed automatically 7 When ADC adjustment is finished this OSD appear 4 5 2 ADC Calibration RGB Using External pattern 1 Required Equipments Remote controller for adjustment MSPG 925F MSPG 1025 MSPG 3233 Pattern Generator 2 Process 1 Change the Input to RGB mode 2 Input the PC 1024x768 60Hz Horizontal Color Bar signal into RGB MSPG 925F Model 60 Pattern 65 ...

Page 14: ...e power on by power only key Maintain the DDC adjustment mode with same condition of Heat run Maintain after AC off on in status of Heat run pattern display 2 Release the DDC adjustment mode Release the adjust mode after AC off on or std by off on in status of finishing the Hear run mode Release the Adjust mode when receiving the aging off command F3 00 00 from adjustment equipment Need to transmi...

Page 15: ...decreasing the G 4 Standard color coordinate and temperature when using the CA100 or CA210 equipment To check the Coordinates of White Balance you have to measure at the below conditions Picture Mode User 1 Dynamic Contrast Off Dynamic Colour Off If you miss the upper condition the coordinates of W B can be lower than the spec 15 LGE Internal Use Only Copyright LG Electronics Inc All right reserve...

Page 16: ...Assy A PROCESS Fail Fail Pass Pass Check LEDAssy Change IC1002 Q1003 Pass Check short of IC1001 IC1003 IC1007 Fail Re soldering or Change defect part of IC1001 IC1003 IC1007 Fail No Raster B Process Check LED status On Display Unit Repeat A PROCESS Pass Fail Check Output of IC802 Change IC802 Fail Change Inverter Connector Or Inverter Fail Pass Fail Pass Change Module Fail Check LVDS Cable Pass Ch...

Page 17: ...art Pass No Raster on COMMPONENT Signal Check Input source Cable And Jack Pass Re soldering or Change the defect part Pass Check the Input Output Of IC800 Fail Re soldering or Change the defect part Repeat A B Process Check The Input Output Of JK101 Fail Pass No Raster on HDMI Signal Check Input source Cable And Jack Pass Check the Input Output Of JK301 JK302 JK303 Fail Re soldering or Change the ...

Page 18: ...e defect part Pass Fail Pass Repeat A B Process Check the Input Output Of IC800 Fail Re soldering or Change the defect part Pass Check The Input Output Of TU500 Pass Re soldering or Change the defect part Pass Fail Check the Input Output Of IC800 Fail Re soldering or Change the defect part Repeat A B Process No Sound Check The Input Sourse Check The Input Output Of IC600 Re soldering or Change the...

Page 19: ...DM 2_SCL SDA PC_SCL SDA MNT_VOUT AV2_VIN AV2_LIN RIN IIS_OUT USB USB_DN PN AUDIO AMP HDMI3_SCL SDA EEPROM 24C02 HDMI_DATA_3 TMDS TMDS TMDS HDMI3 USB For D L EEPROM 256K Serial Flash 8MByte RGB_PC PC_Audio TV RF COMP1 HDMI1 HDMI2 RS232 TX 232C Driver ST3232C PC_R G B HS VS PC_Audio_L R 700mVrms MNT_OUT 1Vpp SIDE_V 1Vpp SIDE_L SIDE_R 500mVrms DDR2 512MB EEPROM 24C02 Comp1_L R 500mVrms TUNER AV1_VIN ...

Page 20: ...d mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORT...

Page 21: ...52 I2C_OUT_SD3 147 GND_8 148 GPIO51 149 GPIO52 150 GPIO53 151 GPIO54 152 GPIO55 153 GPIO56 154 GPIO57 155 GPIO58 156 VDDP_3 157 VDDC_5 158 B_MDATA 4 159 B_MDATA 3 160 GND_9 161 B_MDATA 1 162 B_MDATA 6 163 AVDD_DDR_1 164 B_MDATA 11 165 B_MDATA 12 166 GND_10 167 B_MDATA 9 168 B_MDATA 14 169 AVDD_DDR_2 170 B_DDR2_DQM 1 171 B_DDR2_DQM 0 172 GND_11 173 B_DDR2_DQS 0 174 B_DDR2_DQSB 0 175 AVDD_DDR_3 176 ...

Page 22: ...8 A8 L1 NC4 L2 BA0 R8 NC3 K7 RAS F8 VSSQ3 F3 LDM P3 A9 M3 A1 N3 A5 K8 CK R3 NC5 L3 BA1 J7 VSSDL L7 CAS F2 VSSQ4 B3 UDM M2 A10 AP K2 CKE R7 NC6 M7 A2 N7 A6 M8 A0 J1 VDDL K3 WE E8 LDQS P7 A11 K9 ODT A2 NC1 N2 A3 P2 A7 H8 VSSQ1 F7 LDQS A8 UDQS R2 A12 L8 CS E2 NC2 E7 VSSQ5 D8 VSSQ6 D2 VSSQ7 A7 VSSQ8 B8 VSSQ9 B2 VSSQ10 P9 VSS1 N1 VSS2 J3 VSS3 E3 VSS4 A3 VSS5 G9 VDDQ1 G7 VDDQ2 G3 VDDQ3 G1 VDDQ4 E9 VDDQ5...

Page 23: ... 1 ADJ GND 2 OUTPUT 3 INPUT 10uF 16V C1017 10uF 16V C1018 AP1117EG 13 IC1002 1 ADJ GND 2 OUT 3 IN 1K R1044 DC_DIM 1K R1076 OPC_DISABLE 1K R1075 OPC_ENABLE 0 R1013 2 2K R1050 2 2K R1051 2 2K R1052 68uF 35V C1006 0 R1012 NON 19_22 3 6uH L1009 CIC21J501NE EAM58113401 L1000 CIC21J501NE L1008 FW20020 24S P1000 NON_19_22_26 19 NC 14 12V 9 5 2V 4 GND 18 24V 13 12V 8 5 2V 3 GND 17 24V 12 GND 7 5 2V 2 Powe...

Page 24: ..._OPT 0 R673 12 R658 12 R653 12 R621 12 R654 4 7K R628 4 7K R667 3 3 R671 3 3 R635 1K R607 10K NON_HOTEL_OPT R613 12K HOTEL_OPT R613 5 6K R614 5 6K R615 10K NON_HOTEL_OPT R616 12K HOTEL_OPT R616 1K R609 4 7K R606 200 HOTEL_OPT R612 10K HOTEL_OPT R617 0 HOTEL_OPT R620 0 HOTEL_OPT R619 4 7K R605 33pF C631 33pF C633 0 1uF C620 0 1uF C622 6 8K R618 6 8K R622 NTP 3100L IC600 1 BST1A 2 VDR1A 3 RESET 4 AD...

Page 25: ...C_8 18 NC_7 10 SCL 4 NC_2 1 NC_1 17 NC_6 9 SDA 8 GND_2 3 B 5V 16 SIF OUT 7 NC_3 6 TP 3 3V_OPT 15 A OUT 21 SHIELD 20 NC_9 4 7K R502 220 R506 220 R507 100uF16V C505 100uF16V C509 100uF16V C506 120 ohm L501 47 R504 47 R505 0 1uF 50V C503 0 L501 1 0 Ohm N e a r t h e p i n THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTR...

Page 26: ... 5 SDA 6 SCL 7 WP 8 VCC DDC_WP DDC_WP DDC_WP BSS83 CEC_READY Q303 S B D G CEC 3 3V_MST CEC_C CDS3C30GTH 30V CEC_READY D304 MMBD301LT1G 30V CEC_READY D303 10K R301 1K R303 0 01uF C300 10K R300 1K R302 100 R329 1K R314 10K R312 68K CEC_READY R315 0 R313 100 R317 100 R318 100 R305 100 R304 0 01uF C301 100 R331 100 R306 100 R307 0 01uF C302 100 R327 10K R308 10K R310 10K R309 10K R311 10K R319 10K R32...

Page 27: ...7 PSJ014 01 JK101 S VIDEO GND 6 1 C LUG1 2 C LUG2 3 0 SPRING 4 C LUG3 5 C LUG4 SHIELD 7 75 R102 0 HOTEL_OPT R103 0 HOTEL_OPT R105 0 NON_HOTEL_OPT R106 0 HOTEL_OPT R101 75 R109 75 R108 75 R107 220K R104 12K R118 12K R117 12K R119 12K R120 10K R113 10K R115 10K R116 220K R100 220K R111 220K R112 75 R110 75 R122 S VIDEO 75 R121 S VIDEO 10K R123 100pF READY C103 10K R114 PPJ226 01 JK100 9A GN 1P_CAN 4...

Page 28: ...209 30V D208 READY 30V D207 READY USB_DL_N USB_DL_P 0 REAR_USB R229 0 REAR_USB R230 USB DOWN STREAM UB01123 4HHS 4F JK205 REAR_USB 1 2 3 4 5 0 1uF C203 0 1uF C200 0 1uF C201 0 1uF C202 0 01uF C205 0 1uF C204 0 1uF C206 0 1uF C207 100 R202 100 R203 75 R227 220K R223 READY 220K R222 READY 12K R226 12K R228 75 R211 75 R212 75 R213 4 7K R214 4 7K R215 220K R231 220K R232 10K R233 10K R234 12K R235 12K...

Page 29: ...12 470 R435 OPC_ENABLE SMAW200 03 P404 19_22_26 1 KEY1 2 KEY2 3 GND 120 ohm L404 120 ohm L407 NON_19_22_26 TF05 51S P401 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 FF10001 30 P402 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 SMW200 28C P403 1 2 3 4 5 6 7 8 ...

Page 30: ...Feb 2009 Printed in Korea P NO MFL60021514 ...

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