JVC LT-20B60SU Service Manual Download

Page: 61 / 72

(No.YA303)2-5

2-6(No.YA303)

IC100

208 AVDD_CSS

207

206 ASOY_G-

205 BSOY_G-

204

203 AVSS_CSS

202 TCLK

201 XTAL

200 AVDD_RPLL

199 AVSS_RPLL

198 AVDD_MPLL

197 AVSS_MPLL

196 VDD_MPLL

195 VSS_MPLL

194 AVDD_DDS

193 AVSS_DDS

192 VDD_DDS

191 VSS_DDS

190 ADATA0

189 ADATA1

188 ADATA2

187 ADATA3

186 ADATA4

185 CVDD_9

184 VSS_23

183 ADATA5

182 ADATA6

181 ADATA7

180 ADATA8

179 ADATA9

178 ADATA10

177 ADATA11

176 ADATA12

175 ADATA13

174 ADATA14

173 ADATA15

172 ADATA16

171 ADATA17

170 ADATA18

169 ADATA19

168 ADATA20

167 CVDD_8

166 VSS_22

165 ADATA21

164 ADATA22

163 ADATA23

162 VDD_9

161 VSS_21

160 AHREF_DE

159 ACREF

158 ARAWHS_CS

157 AHS_CS

105

VSS_13

106

VDD6

107

RAMADDR3

108

RAMADDR4

109

RAMADDR5

110

RAMADDR6

111

RAMADDR7

112

RAMADDR8

113

RAMADDR9

114

VSS_14

115

CVDD_5

116

RAMCLK

117

VSS_15

118

RAMADDR2

119

RAMADDR1

120

RAMADDR0

121

RAMADDR10

122

RAMBS1

123

RAMBS0

124

VDD_7

125

RAMC

126

RAM_RAS

127

VSS_16

128

RAM_CAS

129

VSS_17

130

CVDD_6

131

RAMWE

132

RAMDQ_MSK

133

RAMDQ8

134

RAMDQ9

135

RAMDQ10

136

RAMDQ11

137

RAMDQ12

138

VSS_18

139

RAMDQ13

140

RAMDQ14

141

VDD_8

142

RAMDQ15

143

RAMDQ7

144

RAMDQ6

145

RAMDQ5

146

VSS_19

147

CVDD_7

148

RAMDQ4

149

RAMDQ3

150

VSS_20

151

RAMDQ2

152

RAMDQ1

153

RAMDQ0

154

ACLK

155

AODD

156

AVS

DODD

DCLK

VDD_3

VSS_7

DDATA23

DDATA22

VSS_8

DDATA21

DDATA20

DDATA19

DDATA18

DDATA17

DDATA16

DDATA15

DDATA14

DDATA13

DDATA12

VDD_4

VSS_9

DDATA11

DDATA10

DDATA9

DDATA8

DDATA7

DDATA6

DDATA5

DDATA4

DDATA3

DDATA2

VSS_10

DDATA1

DDATA0

VSS_11

CVDD_4

RAMDQ24

RAMDQ25

VDD_5

RAMDQ26

RAMDQ27

RAMDQ28

RAMDQ29

RAMDQ30

VSS_12

RAMDQ31

RAMDQ23

RAMDQ22

RAMDQ21

100

RAMDQ20

101

RAMDQ19

102

RAMDQ18

103

RAMDQ17

104

RAMDQ16

DDE_BLANK

VDD_2

DVS_SYNCT

DHS_CS

GPIO2

GPIO1

BDATA0

BDATA1

BDATA2

BDATA3

BDATA4

CVDD_3

VSS_6

BDATA5

BDATA6

BDATA7

BDATA8

BDATA9

BDATA10

VSS_5

BDATA11

BDATA12

BDATA13

BDATA14

BDATA15

CVDD_2

VSS_4

BDATA16

BDATA17

BDATA18

BDATA19

VDD_1

BDATA20

BDATA21

BDATA22

VSS_3

BDATA23

BHREF_DE

BCREF

BRAWHS_CS

CVDD_1

VSS_2

BHS_CS

BVS

BODD

BCLK

IRQ

RESET

SDATA

SCS

SCL

VSS_1

IC101

VSS_1

PIX_IN

VDD_1

HSYNC

RESET

SDA

SCL

VDD_2

VSYNC

VDD1

FBKG

VSS_2

SDA_PC

5VSTBY

1N4148

D101

PL101

SDA_PC

100R

R107

5VSTBY

4k7

R109

BZT55C5V1

D109

10k

R106

75R

R103

1N4148

D100

5V_DD

50V

22p

C101

50V

22p

C100

5VSTBY

SCL_PC

VGA_B

16V

100n

C102

BZT55C5V1

D108

VSYNC_PCIN

IC102

NC1

NC3

SCL

VCC

NC2

VSS

VCLK

SDA

75R

R100

75R

R104

75R

R102

100R

R111

10k

R105

100R

R108

VGA_R

4k7

R110

SCL_PC

5V_DDC

VGA_G

75R

R101

HSYNC_PCIN

VCC3_M

16V

100n

C107

RAS#

CAS#

VCC3_M

VCC

CS0#

50V

10n

C108

VCC3

CAS#

VCC3

VCC3_M

RAS#

50V

10n

C111

16V

100n

C114

MA0

BA_0

MA1

VCC3_M

MA2

VCC3_M

50V

10n

C109

IC104

VDD1

VDDQ1

DQ2

DQ3

VDDQ2

DQ6

DQ7

VDD2

RAS

NC2

VDD3

DQ16

DQ17

VDDQ3

DQ20

DQ21

VDDQ4

VDD4

DQ0

DQ1

VSSQ1

DQ4

DQ5

VSSQ2

NC1

DQM

CAS

BA0

A10

DQM

NC3

VSSQ3

DQ18

DQ19

VSSQ4

DQ22

DQ23

VSSQ7

VSS3

VDDQ6

DQ1

VDDQ8

VDDQ7

DQ3

DQM

VSSQ6

DQ1

DQ15

VSSQ8

DQ30

DQ9

VSS4

DQ11

DQ8

DQ29

VSSQ5

DQ28

DQM

VSS2

DQ24

DQ14

DQ26

DQ25

VDDQ5

DQ10

DQ27

VSS1

MA4

VCC

16V

100n

C104

MA3

MA10

DQM

VCC3_M

50V

22u

C115

VCC3_M

MA5

DQM

BA_0

16V

100n

C105

16V

100n

C112

MA6

MA7

50V

10n

C110

NKL

16V

100n

C106

MA9

VCC3_

50V

10n

C113

MA8

CS0#

100R

R123

16V

100n

C124

16V

100n

C127

16V

100n

C137

50V

22u

C138

16V

100n

C126

50V

47n

C117

16V

100n

C128

SW_R

16V

100n

C123

50V

3n9

C133

BLM21A601S

L101

V_DD

16V

100n

C130

V_AD

16V

100n

C121

16V

100n

C122

50V

22u

C139

SW_G

SDA_3.3V

16V

100n

C136

16V

100n

C129

16V

100n

C125

HS_PCOUT

50V

33n

C134

+3.3V

V_AD

V_DD

V_AD

50V

47n

C118

SCL_3.3V

V_D

50V

47n

C116

16V

100n

C131

V_AD

3k3

R121

16V

100n

C120

SW_B

V_D

50V

C119

50V

C132

VS_PCOUT

IC105

GND1

GREEN7

GREEN6

GREEN5

GREEN4

GREEN3

GREEN2

GREEN1

GREEN0

GND2

VDD1

BLUE7

BLUE6

BLUE5

BLUE4

BLUE3

GND4

VDD2

VDD3

GND5

GND6

VD1

VD2

GND7

COAST

HSYNC

VSYNC

GND8

FILT

PVD1

PVD2

GND9

VD5

VD6

GND13

GAIN

SOGIN

GND14

VD7

VD8

GND15

RAIN

SCL

SDA

REFBYPASS

VD9

GND16

SOGOUT

HSOUT

DATACK

GND19

VDD4

RED7

RED6

RED5

RED4

RED3

RED2

RED1

RED0

VDD5

VDD6

GND20

BLUE2

BLUE1

BLUE0

GND3

MIDSCV

CLAMP

VD3

GND10

GND11

VD4

BAIN

GND12

GND17

VD10

GND18

VSOUT

100R

R122

GA0

GA3

GA2

GA1

GA7

GA6

GA5

GA4

PANEL_VCC

FDC642P

Q101

BC848B

Q100

10k

R128

+5V_PANEL

PANEL_CONT

10k

R127

+3.3V

S103

S102

BA_1

DQM

MA10

47R

R130

47R

R131

47R

R132

47R

R133

47R

R134

47R

R135

BA7

BA0

BA5

BA6

BA1

BA3

BA2

BA4

RA3

RA4

RA2

RA1

RA7

RA6

RA5

RA0

PHDE

SCLK

10k

R140

V_DD

S107

HS_PCOUT

VS_PCOUT

CLK_PCOUT

+5V

10k

R141

S109

6015_HSOUT

S111

S112

63V

470n

C146

SOG_PCOUT

S114

SOG_PCOUT

S115

6015_HSOUT

VCLK_MAIN

100R

R145

100R

R146

SDA_5V

SCL_5V

SDA_3.3V

SCL_3.3V

100R
R147

100R

R148

+5V

16V

100n

C147

OVVS

OVHS

RESET_GM6015

IRQ

OVCLK

OVACTIV

10k

R149

R150

R151

180R
R152

OVACTIV

OVCLK

OVVS

OVHS

14.31818MHz

X100

50V

4p7

C148

50V

4p7

C149

AVDD_3.3

16V

100n

C150

16V

100n

C151

16V

100n

C152

50V

220p

C153

50V

220p

C154

AVDD_3.3

50V

220p

C155

BLM21A601S

L104

CVDD_2.5

50V

22u

C156

16V

100n

C157

CVDD_2.5

50V

220p

C158

CVDD_2.5

50V

220p

C160

CVDD_2.5

50V

220p

C161

CVDD_2.5

50V

22u

C162

16V

100n

C163

CVDD_2.5

50V

220p

C164

CVDD_2.5

16V

100n

C165

CVDD_2.5

50V

220p

C166

CVDD_2.5

16V

100n

C167

+3.3V

16V

100n

C168

50V

220p

C169

+3.3 V

50V

220p

C170

+3.3V

16V

100n

C171

+3.3V

50V

220p

C172

+3.3V

16V

100n

C174

+3.3V

50V

220p

C175

+3.3V

16V

100n

C176

VSYNC_PCIN

10k

R153

+3.3V

50V

22u

C177

16V

100n

C178

AVDD_3.3

47R

R156

47R

R157

47R

R158

47R

R159

47R

R160

47R

R161

BLM21A601S

L105

+3.3V

BLM21A601S

L109

+3.3V

BLM21A601S

L110

+3.3V

PC_R

PC_R4

PC_R2

PC_R3

PC_R

PC_G7

PC_G1

PC_G2

PC_G4

PC_G0

PC_G5

PC_G6

PC_G3

PC_B6

PC_B0

PC_B3

PC_B7

PC_B5

PC_B2

PC_B4

PC_B1

PC_G 6

PC_G 7

PC_G 5

PC_G 4

PC_G 0

PC_G 3

PC_G 2

PC_G 1

PC_R7

PC_R1

PC_R2

PC_R4

PC_R0

PC_R5

PC_R6

PC_R3

PC_B7

PC_B5

PC_B1

PC_B2

PC_B4

PC_B3

PC_B6

PC_B0

100k

R162

33R

R165

33R

R166

16V

100u

C185

16V

100n

C183

+5V

IC106

VOUT

2 OUT

GN D

47R

R167

MA1

MA3

+3.3V

MA10

10k

R170

10k

R173

10k

R171

10k

R175

BA_0

+3.3V

DQM

10k

R176

MA8

10k

R180

10k

R168

10k

R177

MA2

10k

R169

10k

R182

MA5

10k

R174

10k

R179

BA_1

+3.3V

MA4

MA6

10k

R172

MA7

MA9

MA0

10k

R181

10k

R178

50V

47p

C186

R183

R184

S117

S118

S119

YUV7

YUV6

YUV5

YUV4

YUV3

YUV2

YUV1

YUV0

CVDD_2.5

16V

100n

C159

PVSYNC

PHSYNC

S104

+12V

5VSTBY

S121

S122

S+3.3V

S123

S124

S+3.3V

S125

S126

10k

R185

50V

47p

C187

S127

+3.3V

VCLK_MAIN

16V

100n

C188

16V

100n

C189

S128

VGA_G

VGA_SW

16V

100n

C190

SW_R

IC107

HDTV_CB

75R

R191

R189

SW_G

S129

HDTV_CR

HDTV_Y

VGA_R

VGA_B

75R

R192

SW_B

+5V

75R

R190

S130

BC848B

Q102

10k

R193

15k

R194

100k

R195

75R

R196

16V

10u

C191

50V

470p

C192

AVDD_3.3

+5V

SW_G

S131

BAV99

D107

BAV99

D105

+5V

BAV99

D103

S132

S133

S134

INTENSITY

BC848B

Q105

1k5

R136

INTENSITY

BC848B

Q104

1k5

R137

INTENSITY

BC848B

Q103

1k5

R138

INTENSITY

R139

R142

R143

R144

R154

R155

S135

S136

S137

+3.3V

CVDD_2.5

BAV99

D110

BAV99

D111

BAV99

D112

BAV99

D113

5VSTBY

50V

C217

HDTV_Y

50V

15p

C218

BLM21A601S

L111

16V

10u

C219

330R

R197

IC108

CSYNC

CVBS_IN

VSYNC

GND

BBPO

RSET

HSYNC

VDD

IC109

COM_Y_OUT_IN

INH

VEE

GND

10
A

COM_X_OUT_IN

VCC

BLM21A601R

L112

16V

100n

C220

+5V

50V

10n

C221

HDTV_Y

16V

100n

C222

HDTV_HS

HDTV_VS

16V

100n

C223

S+3.3V

HSYNC_PCIN

HDTV_HS

VSYNC_PCIN

HDTV_VS

VGA_SW

HD_PC_VS

HD_PC_HS

S138

S139

HD_PC_HS

HD_PC_VS

BZT55C5V1

D114

A 1

K 2

5VSTBY

10k

R198

HD_FLAG

S140

S141

S142

16V

100n

C224

VGA_G

16V

100n

C225

HDTV_C S

HDTV_CS

50V

C226

S143

VIN

BLM21A601S

L113

CLK_PCOUT

MD2

MD1

MD2

MD1

MD2

MD18

MD30

MD19

MD31

MD2

MD9

MD2

MD1

MD2

MD1

MD0

MD1

MD2

MD3

MD4

MD5

MD7

MD6

MD2

MD16

MD17

MD18

MD19

MD20

MD21

MD22

MD23

MD31

MD30

MD24

MD25

MD26

MD27

MD28

MD29

MD6

MD15

MD14

MD13

MD12

MD11

MD10

VGA-HDTV SW

MAIN PWB ASS'Y

(1/8)

VE-20191734

CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM (1/8)

Summary of Contents for LT-20B60SU

Page 1: ...ictor Company of Japan Limited No YA303 2005 8 LCD PANEL TELEVISION YA303 2005 8 LT 20B60SU LT 20B60SJ TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 7 3 DISASSEMBLY 1 10 4 ADJUSTMENT 1 14 5 TROUBLESHOOTING 1 14 ...

Page 2: ...tem TOP German system LCD panel 20V inch 4 3 Screen Size Diagonal 51 1cm H 41 1cm V 30 95cm Display Pixels Horizontal 800 dots Vertical 600 dots Audio Power Output 5W 5W 10 THD Speaker 3 3cm 14 5cm 2 Aerial terminal VHF UHF F type connector 75Ω unbalanced coaxial EXT 1 EXT 2 Input Output 21 pin Euro connector SCART socket 2 EXT 3 Input S Video Video Audio Mini DIN 4 pin 1 Y 1V p p Positive Negativ...

Page 3: ...omponents that indicate evidence of overheating should be replaced Always use the manufacturer s replacement components 6 Isolation Check Safety for Electrical Shock Hazard After re assembling the product always perform an isolation check on the exposed metal parts of the cabinet antenna terminals video audio input and output terminals Control knobs metal cabinet screw heads earphone jack control ...

Page 4: ...aracteristics are identified in the Parts List of Service Manual Electrical components having such features are identified by shading on the schematics and by on the Parts List in the Service Manual The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement part shown in the Parts List of Service Manual may cause shock fire or other hazar...

Page 5: ...h and the surrounding walls as well as the floor etc Install the unit on stable flooring or stands Take precautionary measures to prevent the unit from tipping in order to protect against accidents and earthquakes 1 3 3 NOTES ON HANDLING 1 WHEN TAKING UNIT OUT OF A PACKING CASE When taking the unit out of a packing case do not grasp the upper part of the unit If you take the unit out while graspin...

Page 6: ...ring transportation and storage as the LCD panel is very vulnerable to lateral impacts and may break During transportation ensure that the unit is loaded along the traveling direction of the vehicle and avoid stacking them on one another For storage ensure that they are stacked in 2 layers or less even when placed upright 1 4 2 OPTICAL FILTER ON THE FRONT OF THE LCD PANEL 1 Avoid placing the unit ...

Page 7: ... OUT 2 AUDIO R input 500mV rms Nominal High impedance Used R1 Used R2 3 AUDIO L output 500mV rms Nominal Low impedance Used TV OUT Used LINE OUT 4 AUDIO GND Used Used 5 GND B Used Used 6 AUDIO L input 500mV rms Nominal High impedance Used L1 Used L2 7 B input 700mV B W 75Ω Used Used 8 FUNCTION SW SLOW SW Low 0V 3V High 8V 12V High impedance Used Used 9 GND G Used Used 10 SCL T V LINK Not used Used...

Page 8: ...IGHT FAULT In this pixel fault a cell that should not light originally is lighting on and off For checking this pixel fault input ALL BLACK SCREEN and find out the cell that is lighting on and off DARK FAULT In this pixel fault a cell that should light originally is not lighting or lighting with the brightness twice as brighter as originally lighting For checking this pixel fault input 100 of each...

Page 9: ...Mode Col Temp Contrast Brightness Colour Sharpness Red Green Blue Aps Volume Option 1 First APS If ON TV starts with APS menu at Start up BG DK I L L FM Prs Avl On Adjusts the FM Prescaler value when Automatic Volume Levelling is On Nicam Prs Avl On Adjusts the Nicam Prescal er value when Automatic Volume Levelling is On Scart Prs Avl On Adjusts the Scart Volume value when Automatic Volume Levelli...

Page 10: ...2 Remove the HEADPHONE JACK PWB 3 1 7 REMOVING THE MAIN PWB Remove the HINGE COVER the FOOT ASSEMBLY Remove the BACK COVER 1 Remove the 7 screws G 2 Remove the MAIN PWB 3 1 8 REMOVING THE INVERTER UNIT Remove the HINGE COVER the FOOT ASSEMBLY Remove the BACK COVER 1 Remove the 2 screws H 2 Remove the INVERTER SHEELD 3 Remove the 4 screws J 4 Remove the INVERTER UNIT 3 1 9 REMOVING THE SCART BRACKE...

Page 11: ...NGE BRACKET FOOT SUPORT SPEAKER FRONT CONTROL PWB LED PWB FRONT PANEL HEADPHONE JACK PWB L H J M K M G C D B F E O X9 AV JACK PWB HANG METAL INVERTER SHEELD COVER SCART BRACKET MAIN PWB INVERTER UNIT LCD PANEL UNIT N BACK COVER SOCKET DOOR SIDE AV DOOR ...

Page 12: ...l EXT MODE Setting item Setting position POWER Off TV AV TV Setting item Setting position ZOOM AUTO Setting item Setting position MODE Bright Contrast 33 Step Bright 1 26 Step Sharpness 11 Step Colour 36 Step Bright 2 7 Step Colour Temp Cool Nolse Red Min Setting item Setting position Volume 10 Step Bass 16 Step Treble 15 Step Balance 16 Step Hyper Sound Off Sound Mode Mono Setting item Setting po...

Page 13: ...the tweezers and remove the chip part Transistors diodes variable resistors etc 1 Apply extra solder to each lead 2 As shown in the figure push the part with tweezers and alternately melt the solder at each lead Shift and remove the chip part NOTE After removing the part remove remaining solder from the pattern 2 How to install Chip parts Resistors capacitors etc 1 Apply solder to the pattern as i...

Page 14: ...1 14 No YA303 SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 15: ... No YA303 AV MULTIMEDIA COMPANY DISPLAY CATEGORY 12 3 chome Moriya cho Kanagawa ku Yokohama city Kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan ...

Page 16: ...GLISH DEUTSCH FRANÇAIS LCD TV GERÄT BEDIENUNGSANLEITUNG PANNEAU LCD TELEVISEUR MANUEL D INSTRUCTIONS ITALIANO TV A SCHERMO LCD ISTRUZIONI LT 20B60SU LCD PANEL TV C Ak 45 2835 16 9 3D AV28 GT20U COVER PAGE 2835 AK45 1512UK 16 9 AV 28GT20U 50053856 cdr ...

Page 17: ...ures or hu midity or locations where the temperature is likely to fall below 5ºC 41ºF Mains Supply The mains supply required for this equipment is 220 240 V AC 50 Hz Never connect to a DC supply or any other power source DO en sure that the TV is not standing on the mains lead DO NOT cut off the mains plug from this equipment this incorporates a special Radio Interference Filter the removal of whi...

Page 18: ...igned for unattended operation or has a standby mode Switch the equipment off and make sure your family know how to do this Special arrangements may need to be made for infirm or handicapped people DON T continue to operate the equipment if you are in any doubt about it working normally or it is damaged in any way switch off with draw the mains plug and consult your dealer DON T put the empty batt...

Page 19: ...s on the TV or lean against the TV Doing so may cause the TV to fall over and lead to injuries CAUTION To avoid electric shock or damage to the unit first firmly insert the small end of the power cord into the AC Adaptor unit it is no longer wobbly and then plug the larger end of power cord into an AC outlet CAUTION The TV screen may be damaged if the TV is carried as shown in the diagram The TV s...

Page 20: ... business the loss of recorded data whether caused during normal operation or misuse of the product WARNING NEVER LEAVE A STATIONARY IMAGE ON THE SCREEN If stationary images generated by TELETEXT CHANNELIDENTIFICATION LOGOS COM PUTER DISPLAYS VIDEO GAMES ON SCREEN MENUS etc are left on the TV screen for any length of time they could be come permanently ingrained If you use your television to displ...

Page 21: ...LLOW Sleep Timer button MENU button Cursor Up button OK button Cursor Right button BACK button Volume Up Down buttons Teletext VCR DVD Control buttons Programme Up Down buttons Cursor Down button Teletext Button Cursor Left button Stereo Bilingual button GREEN Hyper Sound On Off button RED ZOOM Mode button Information Button T V Link in Program Menu Mute button ...

Page 22: ...ENGLISH 6 ControlPanelButtons 67 1 92 80 2 1 92 80 83 352 5 0 2 1 352 5 0 83 0 18 79 9 2 3 21 63 5 63 5 32 5 03 1 5 5 5 9 5 ...

Page 23: ... adjust the direction of the TV screen Tilt the TV up and down While holding the stand with one hand which should be on lower level of the stand for avoiding trapping use your other hand to hold the middle of the top of the TV and slowly tilt the TV up and down How to remove the stand 5 029 7 6 5 6 67 1 ...

Page 24: ... the hook on the back of the TV this will prevent it from falling over Use curtains or blinds to prevent direct sunlight falling on the screen A floor and table top stand are available for this television or and angled bracket which enables the TV to be wall mounted The LCD display panels are manufactured using an extremely high level of precision technol ogy however sometimes some parts of the sc...

Page 25: ...es can be named Forward or backward automatic tuning Sleep timer Child lock Auto 4 3 16 9 Automatic sound mute when no transmis sion When no valid signal is detected after 5 min utes the TV switches itself automatically to stand by mode NTSC Playback PLL Channel Search PC input Support Up to 1024 x 768 BeforeSwitchingonyourTV Power connection Only use the adaptor supplied with this prod uct 7R 32 ...

Page 26: ...cor rect type Do not combine a used old battery or a new one or mixed battery types Remove dead batteries immediately to prevent acid from leaking into the battery compartment SwitchingtheTVON OFF To switch the TV on Your TV will switch on in two steps 1 Connect the power supply cord to the sys tem Then the TV switches itself to stand by mode and the power lamp becomes red 2 To switch on the TV fr...

Page 27: ...n to exit the menu If you have a T V Link compatible VCR con nected to the EXT 2 terminal press but ton to display T V Link menu Then follow the operating procedure Downloading data to VCR in the following T V Link section T V Link When a T V Link compatible VCR connected to the EXT 2 terminal on the TV it is easier to set up the VCR and to view videos T V Link uses the following features To use T...

Page 28: ...happen if your TV s main power is turned off Set your TV s main power to on StandBy Mode OperatingtheTV You can operate your TV using both the re mote control handset and onset buttons Volume setting and programme selection can be made by using the buttons on the bottom of the TV Operating with the buttons on the TV Volume Setting Press button to decrease volume or button to increase volume so a v...

Page 29: ...o not run continuously The fifteenth channel in the list for ex ample may not be channel number 15 but channel number 17 MenuSystem Your TV has been designed with a menu sys tem to provide an easy manipulation of a multi function system The TV is controlled by choos ing the commands which are displayed on the screen MAIN MENU Press the MENU button The main menu will be displayed in the middle of t...

Page 30: ...pness level Press button to decrease sharpness level Setting Colour Using or button select Colour Press button to increase colour level Press button to decrease colour level Setting Bright 2 Using or button select Bright 2 Press button to increase the back light Press button to decrease the back light Setting Colour Temp Using or buttonselect ColourTemp Press or button to select Warm Cool or Norma...

Page 31: ... option Press button to increase volume Press button to decrease volume Or you can directly change the volume set tings using to increase or to decrease button Setting Bass Level Using or button select Bass Level Press button to increase bass level Press button to decrease bass level Setting Treble Level Using or button select Treble Press button to increase treble level Press button to decrease t...

Page 32: ... Lock You can use this feature to prevent children turning the TV on off or changing programmes or adjustments etc without remote control Using or button select Child Lock Press button to select Child Lock On or Off When Off is selected there will be no differ ence in the operation of your TV When On is selected the TV can only be controlled by the remote control handset In this case the con trol ...

Page 33: ... search process when you want press or buttons at any time Decoder EXT 2 You can use this mode to connect any de coder to your TV Press the or buttons to set it On or Off When you select Decoder EXT 2 On EXT 2 output will be chosen as TV mode only and any scrambled channels will be un scrambled through decoder connected your TV via EXT 2 output Setting VCR Video Cassette Recorder Mode This item ca...

Page 34: ... delete it To cancel the Delete mode press the BLUE button To change the programme number of a channel Insert 1 Choose the channel you want to change the programme number 2 Press the GREEN button to enter the Insert mode 3 Press buttons to choose new programme number 4 Press the GREEN button to insert the chan nel to the chosen programme number Autostore To enterAutostore menu press the BLUE but t...

Page 35: ...n or off In Mono transmission the left and right channels will be added at left channel and dummy stereo effect will be introduced to end user In stereo transmission it yields a phase differ ence between left and right channels Hyper Sound selection will be displayed on the screen when the TV Status button is pressed or programme is changed Picture Mode Picture mode OSD is displayed when BLUE butt...

Page 36: ...ol panel at the bottom of the TV and no menu is active it stays on the screen for 3 seconds after the last volume command or until another command is received in between EXT Modes By pressing the AV button you can switch your TV to EXT modes except being in Tele text Pressing this button consecutively will switch the TV in one of the optional EXT modes EXT 1 EXT 2 EXT 2 S EXT 3 EXT 3 S and PC In o...

Page 37: ...place automatically Select Auto position item by using or buttons Press OK button Press MENU buttonor BACK buttontostore the value Warning Auto position adjustment recom mended to be done with the full screen image for the proper adjustment Horizontal Position This item shifts the image horizontally to right hand side or left hand side of the screen Select Hori Position item by using or button Use...

Page 38: ... to reset the PC picture settings to default factory settings Sound Menu In the main menu select Sound using or button then enter the Sound menu by pressing or OK buttons The items in this menu are described at Sound menu starting page 15 Source Menu In the Main menu select Source using or button then enter the Source menu by pressing or OK buttons 6RXUFH 3 79 7 7 7 6 7 7 6 3 Select the available ...

Page 39: ...the TV mode In the TV mode enter a page number using digit buttons The page will be searched and the page number will be displayed on the upper left corner of the screen when the selected page is found Now you can display this tele text page by pressing button To Select Double Height Text Press button for the top half of the infor mation page to be displayed in double height text Press button agai...

Page 40: ...p ment that can be connected to your TV Connection diagrams at the end of this sec tion show you where the different equipment should be connected at the back side of the TV Via the Euroconnector Your TV set has 2 Euroconnector sockets If you want to connect peripherals e g video decoder etc which have Euroconnectors to your TV use SCART input If an external device is connected via Euro connector ...

Page 41: ...ket of the TV with the aerial cable Connect the Video Recorder to the EXT 1 or EXT 2 terminal with the SCART cable or con nect it to the EXT 3 terminal with the audio and video cables NTSC Playback Connect a NTSC video recorder to a terminal Then press AV button to select the corre sponding AV mode NTSC 3 58 4 43 system is detected automati cally in AV mode Camera and Camcorder To connect to the E...

Page 42: ...ENGLISH 26 3 8 2 1 17 11 7 1 3725 3 1387 7 9 9 9 9 7 6 9 2 1 8 2 5 9 2 1 PeripheralEquipmentConnections ...

Page 43: ... 0 25 5 8 2 1 5 9 2 1 1 287 1 2 8 7 DECODER FORSATELLITERECEIVER VIDEO HEADPHONE AUDIO 9 8 DQWHQQD 9 DQWHQQD 5RXQG RKP FRD LDO FDEOH 5RXQG RKP FRD LDO FDEOH ODW RKP WZLQ OHDG FDEOH 5HDU RI 79 5HDU RI 79 2XWGRRU QWHQQD RQQHFWLRQV AntennaConnections ...

Page 44: ...75 Hz and a horizontal sync frequency range of 30 69 KHz The following table is an illustration of some of the typical video display modes RUL RQWDO 9HUWLFDO RU N 9HU 0RGH UHTXHQF 5HVROXWLRQ When Mode 10 to Mode 12 signals are input thin lines may become obscure for their signal frequencies are higher than the display resolution ...

Page 45: ...e of the peripherals No Image on Display Screen Is the aerial connected properly Are the plugs connected tightly to the aerial socket Is the aerial cable damaged Are suitable plugs used to connect the aerial If you are in doubt consult your dealer No Image means that your TV is not receiving any transmission Have you pressed the cor rect buttons on the remote control Try once more PC Picture If no...

Page 46: ...al Euroconnector 21 pin SCART 1 back of the cabinet Video Input Audio L R Inputs and RGB inputs are available TV broadcast outputs Video and Audio L R are available EXT 2Terminal Euroconnector 21 pin SCART 2 back of the cabinet Video Input S VIDEO Y C input Audio L R and RGB inputs are available Video and Audio L R outputs are available T V Link functions are available EXT 3Terminal RCA connectors...

Page 47: ...pacitor MF R Metal Film Resistor MF CAP Metalized Film Capacitor MG R Metal Glazed Resistor MM CAP Metalized Mylar Capacitor MP R Metal Plate Resistor MP CAP Metalized Polystyrol Capacitor OM R Metal Oxide Film Resistor PP CAP Polypropylene Capacitor CMF R Coating Metal Film Resistor PS CAP Polystyrol Capacitor UNF R Non Flammable Resistor TF CAP Thin Film Capacitor CH V R Chip Variable Resistor M...

Page 48: ...6578 LCD PANEL UNIT TFT 4 3 9 VE 35012940 MAIN FRAME 10 VE 30031727 6 CCFL INVERTER UNIT 11 VE 35006732 INVERTER SHIELD 12 VE 20195291 SCART BRACKET 13 VE 20199449 BACK COVER 14 VE 20199486 FAV BRACKET 15 VE 35012930 HANG METAL x2 16 VE 35011433 METAL HINGE BRACKET 17 VE 20197265 FOOT SUPPORT 18 VE 45004767 METAL HINGE 19 VE 20197266 HINGE COVER 20 VE 35012282 FOOT HINGE 21 VE 35012283 FOOT 22 VE ...

Page 49: ... No YA303 3 3 EXPLODED VIEW 100 104 103 102 9 8 6 1 7 24 2 12 10 16 15 20 21 25 18 X2 X5 101 3 4 5 17 19 14 23 22 26 30 29 27 28 13 X9 X6 X4 X4 X4 11 ...

Page 50: ...DE D301 VE 30001285 DIODE D302 VE 30001285 DIODE D305 VE 30001285 DIODE D306 VE 30001285 DIODE D307 VE 30001285 DIODE D500 VE 30001285 DIODE D501 VE 30012411 DIODE D600 VE 30007760 Z DIODE D700 VE 30007761 Z DIODE D701 VE 30001285 DIODE D702 VE 30001285 DIODE D703 VE 30001285 DIODE D704 VE 30007760 Z DIODE D706 VE 30007760 Z DIODE D707 VE 30007760 Z DIODE D708 VE 30007760 Z DIODE D709 VE 30007760 ...

Page 51: ...C407 VE 30012583 CAPACITOR 1 5nF 50V K C408 VE 30012572 CAPACITOR 390pF 50V J Ref No Part No Part Name Description Local C409 VE 30000345 E CAPACITOR 10uF 50V M C410 VE 30012590 CAPACITOR 47nF 50V K C411 VE 30000068 CAPACITOR MKT 1nF 63V K C412 VE 30007082 CAPACITOR MKT 680nF 63V J C413 VE 30007082 CAPACITOR MKT 680nF 63V J C414 VE 30012582 CAPACITOR 10nF 50V K R C415 VE 30000345 E CAPACITOR 10uF ...

Page 52: ... C792 VE 30000294 CAPACITOR 100nF 50V K C793 VE 30012582 CAPACITOR 10nF 50V K R Ref No Part No Part Name Description Local C794 VE 30012582 CAPACITOR 10nF 50V K R C795 VE 30012581 CAPACITOR 1nF 50V K R C796 VE 30012581 CAPACITOR 1nF 50V K R C797 VE 30000294 CAPACITOR 100nF 50V K C798 VE 30012574 CAPACITOR 470pF 50V J C799 VE 30012567 CAPACITOR 220pF 50V J C801 VE 30000294 CAPACITOR 100nF 50V K C80...

Page 53: ...317 VE 30012650 RESISTOR 1 16W 15K J R318 VE 30012659 RESISTOR 1 16W 2 2K J R319 VE 30012692 RESISTOR 1 16W 4 7K J R320 VE 30012659 RESISTOR 1 16W 2 2K J Ref No Part No Part Name Description Local R321 VE 30012692 RESISTOR 1 16W 4 7K J R322 VE 30012695 RESISTOR 1 16W 470R J R323 VE 30012987 RESISTOR 1 16W 56R J R324 VE 30012692 RESISTOR 1 16W 4 7K J R325 VE 30012695 RESISTOR 1 16W 470R J R326 VE 3...

Page 54: ...VE 30012685 RESISTOR 1 16W 33K J R706 VE 30012641 RESISTOR 1 16W 10K J Ref No Part No Part Name Description Local R707 VE 30012685 RESISTOR 1 16W 33K J R708 VE 30012715 RESISTOR 1 16W 82K J R709 VE 30012715 RESISTOR 1 16W 82K J R710 VE 30012641 RESISTOR 1 16W 10K J R711 VE 30012510 RESISTOR 1 16W 100R J R712 VE 30012657 RESISTOR 1 16W 1K J R713 VE 30012657 RESISTOR 1 16W 1K J R714 VE 30012702 RESI...

Page 55: ... L721 VE 30024779 FERRITE 50R 100MHz 3A L722 VE 30024779 FERRITE 50R 100MHz 3A L723 VE 30001971 FERRITE 600R 100MHz 200mA L724 VE 30013412 FERRITE 1 5K 100MHz 500 mA L725 VE 30013412 FERRITE 1 5K 100MHz 500 mA L726 VE 30001971 FERRITE 600R 100MHz 200mA L727 VE 30001971 FERRITE 600R 100MHz 200mA L728 VE 30001971 FERRITE 600R 100MHz 200mA L734 VE 30001971 FERRITE 600R 100MHz 200mA L801 VE 30002170 F...

Page 56: ...ER CORD For AC ADAPTOR LT 20B60SJ 6 VE 30002376 POWER CORD For AC ADAPTOR LT 20B60SU 7 VE 50067840 INST BOOK ENG LT 20B60SJ 7 VE 50066101 INST BOOK ENG GER FRA ITA LT 20B60SU 7 VE 50066102 INST BOOK SWE DAN NOR FIN LT 20B60SU 7 VE 50066103 INST BOOK SPA POR DUT LT 20B60SU 7 VE 50066104 INST BOOK POL CZE HUN LT 20B60SU 7 VE 50066105 INST BOOK BUL RUS ROM LT 20B60SU 8 VE 50067871 WARRANTY CARD LT 20...

Page 58: ...Power Supply Type MM Metalized mylar capacitor PP Polypropylene capacitor MPP Metalized polypropylene capacitor MF Metalized film capacitor TF Thin film capacitor BP Bipolar electrolytic capacitor TAN Tantalum capacitor 3 Coils No unit Others µH As specified No indication Ceramic capacitor 2 Capacitors Capacitance value 1 or higher pF less than 1 µF Withstand voltage No indication DC50 V Others DC...

Page 59: ... PWB PATTERN 2 25 FRONT CONTROL PWB PATTERN 2 25 LED PWB PATTERN 2 26 HEADPHONE JACK PWB PATTERN 2 26 USING P W BOARD P W B ASS Y name MAIN P W BOARD FRONT CONTROL P W BOARD AV JACK P W BOARD HEADPHONE JACK P W BOARD LED P W BOARD VE 20191734 VE 20174624 VE 20214362 VE 20177874 VE 20198076 LT 20B60SJ LT 20B60SU 2 2 No YA303 IC BOTTOM VIEW FRONT VIEW TOP VIEW 1 N N 1 OUT E IN IN OUT E 1 N TOP VIEW ...

Page 60: ...A3002D2 SAW FILTER K9656M SAW FILTER K3953M PC Audio In L R L 1Kb EDID PC IN YPbPr IN YPbPr Audio In R L SCART 2 SCART 1 DC IN INVERTER Power Supply KEYPAD MULTIMEDIA CARD READER MODULE OPTION HEADPHONE CARD IR CARD R MAIN OUT LR SC1_OUT_LR SC1_IN_LR SC2_OUT_LR SUB OUT LINE OUT CVBS IN LR S VIDEO MCR IN LR PC IN LR YPbPr IN LR SC2_IN_LR AMMONO IN QSS IF VIDEO IF SOUND IF 1 2 RGB_TEXT RGB_SC CVBS_I...

Page 61: ...GND7 29 COAST 30 HSYNC 31 VSYNC 32 GND8 33 FILT 34 PVD1 35 PVD2 36 GND9 45 VD5 46 VD6 47 GND13 48 GAIN 49 SOGIN 50 GND14 51 VD7 52 VD8 53 GND15 54 RAIN 55 AO 56 SCL 57 SDA 58 REFBYPASS 59 VD9 60 GND16 65 SOGOUT 66 HSOUT 67 DATACK 68 GND19 69 VDD4 70 RED7 71 RED6 72 RED5 73 RED4 74 RED3 75 RED2 76 RED1 77 RED0 78 VDD5 79 VDD6 80 GND20 17 BLUE2 18 BLUE1 19 BLUE0 20 GND3 37 MIDSCV 38 CLAMP 39 VD3 40 ...

Page 62: ...C E 4 VSS 5 SDA 6 SCL 7 MODE_WC 8 VCC SCL_3 3V BC848B Q301 SDA_3 3V 47k R328 5VSTB Y 100R R333 47k R330 SCL_3 3V S 2 5V BC848B Q303 BC848B Q304 47k R329 100R R332 BC848B Q302 SCL_5V 6k8 R335 SDA_5V 6k8 R334 47k R331 3 3V S 3 3V BL_ONOFF 4k7 R367 MUTE 4k7 R368 4k7 R369 S 3 3V S 3 3V 16V 100n C335 FB_SC1 S 3 3V 330R R378 4k7 R376 S 3 3V TV AV PL302 1 2 3 4 POWER TV AV PL301 1 2 3 4 5 50V 120p C336 S...

Page 63: ...R R400 47R R418 S404 16V 100n C441 50V 10u C409 50V 47n C416 R_SC R1 R2 R3 R4 10R R417 1 2 3 4 7 8 8 6 5 150R R404 VPCA FB_SEL B_SC 50V 330p C434 S405 75R R401 RESET_VPC3230 50V 68n C400 S400 G_SC HSYNC_TEXT BLM21A601S L402 25V 220n C433 B_TXT 50V 330p C419 50V 330p C417 63V 680n C412 1k R427 G_SEL G_SEL VPCD CVBSTXT 50V 330p C436 50V 47n C428 B_SEL 50V 47n C402 R_TXT 50V 3p3 C405 25V 220n C425 10...

Page 64: ... 50V 22u C523 25V 100n C524 5V_TU_IF 5V 5V_TU_IF 22u L504 16V 100u C525 100R R530 16V 100n C526 16V 10u C527 50V 470p C528 PAL 6k8 R531 5V_IF SW01 L BG DK I L 15MOHM TAKILACAK K9356M SW01 H L 75R R616 4k7 R612 4k7 R607 12V 16V 100n C605 75R R614 75R R613 8V 63V 100n C602 BC848B Q601 75R R600 10k R611 63V 100n C603 16V 100n C604 10R R604 75R R608 BZT55C10 D600 A 1 K 2 63V 100n C601 10R R609 CVBS_BA...

Page 65: ...22u C770 50V 22u C769 5V_AUD 5V_AUD 1k R738 1k R739 S706 S707 25V 220n C773 25V 220n C771 50V 1n C774 1k R741 1k R740 50V 1n C772 PC_IN_R PC_IN_L 12V L710 16V 1000u C775 50V 100n C777 50V 100n C778 50V 220p C779 120k R742 50V 10n C780 50V 10n C781 50V 100n C782 50V 100n C783 50V 10u C784 50V 1n C785 50V 1n C786 50R_100MHZ_3A L718 50R_100MHZ_3A L719 12V_AUD 12V_AUD 12V_AUD 50V 10u C803 50V 100n C80...

Page 66: ...R_FB 19 TXIN18 21 GND3 16 TXIN16 18 TXIN17 20 TXIN19 22 TXIN20 24 TXIN22 26 VCC3 28 TXIN25 23 TXIN21 25 TXIN23 27 TXIN24 45 TXOUT1 55 TXIN3 31 TXCLKIN 39 TXCLKOUT 47 TXOUT0 35 PLLGD 41 TXOUT2 53 GND5 29 GND4 49 LVDSGND3 43 LVDSGND2 37 TXOUT3 51 TXIN0 33 PLLGND GA6 50V 10n C815 TXOUT3 TXOUT3 TXCLKOUT RA2 PANEL_VCC PL801 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 3...

Page 67: ...u C920 16V 100n C923 22u L904 50V 10n C921 STPS745 D901 12V 22u L903 100uH L905 16V 1000u C922 S905 100R R908 100R R907 IC901 1 VIN 2 OUTPUT 3 GND 4 FEEDBACK 5 ON OFF IC904 1 VIN 2 OUTPUT 3 GND 4 FEEDBACK 5 ON OFF IC907 1 VIN 2 OUTPUT 3 GND 4 FEEDBACK 5 ON OFF S 3 3V IC902 1 S1 3 S2 6 D2A 8 D1A 2 G1 4 G2 7 D1 5 D2 IC909 1 ADJ 2 OUT 3 IN 16V 1000u C934 12V 8V 22R R921 16V 100n C935 16V 100n C936 47...

Page 68: ...SW 4 680R R3 SW 2 1k5 R2 SW 3 TV AV SW7 TSW VERTICAL SW11 TSW VERTICAL SW12 TSW VERTICAL SW13 TSW VERTICAL SW14 TSW VERTICAL SW15 TSW VERTICAL SW19 PL2 1 2 3 4 POWER SW18 TSW VERTICAL SW17 P VOL P MENU VOL AV JACK PWB ASS Y VE 20214362 FRONT CONTROL PWB ASS Y VE 20174624 HEADPHONE JACK PWB VE 20177874 LED PWB ASS Y VE 20198076 AV JACK PWB CIRCUIT DIAGRAM FRONT CONTROL PWB CIRCUIT DIAGRAM HEADPHONE...

Page 69: ... No YA303 2 21 2 22 No YA303 TOP PATTERN DIAGRAMS MAIN PWB PATTERN SOLDER SIDE ...

Page 70: ...2 24 No YA303 No YA303 2 23 TOP MAIN PWB PATTERN PARTS SIDE ...

Page 71: ... 26 No YA303 FRONT TOP TOP TOP TOP TOP AV JACK PWB PATTERN FRONT CONTEROL PWB PATTERN HEADPHONE JACK PWB PATTERN SOLDER SIDE HEADPHONE JACK PWB PATTERN PARTS SIDE LED PWB PATTERN SOLDER SIDE LED PWB PATTERN PARTS SIDE ...

Page 72: ... No YA303 AV MULTIMEDIA COMPANY DISPLAY CATEGORY 12 3 chome Moriya cho Kanagawa ku Yokohama city Kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan ...

Search results

Summary of Contents for LT-20B60SU

Reviews:

Related manuals for LT-20B60SU

Brands by name

Popular brands

JVC LT-20B60SU, Service Manual

Search results

Summary of Contents for LT-20B60SU

Reviews:

Related manuals for LT-20B60SU

Brands by name

Popular brands