Roadstar LCD-7114KL Service Manual Download Page 26

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TO SPEAKER

<Doc>

<Title>

Wednesday, April 13, 2005

Title

Size

Document Number

Rev

Date:

Sheet

AV1_AR

+5V

VCC+5VA

+12V

VCC+5V

+5V

TV_VIN

FM_ANT

FM_AR

FM_AL

SDA

SCL

AUDIO_L

AUDIO_R

C+12V

+5V

EXT_VIN

TV_VIN

VCC+5VA

VCC8V

+9V

VCC+5V

C+12V

VCC8V

Vsync

AV1_V

VCC8V

TV_A

AUDIO_R

TV_A

AUDIO_L

+12VB

AV1_AL

L+

L+A

R+A

L-

R+

R-

AV2_V

AV2_AR

AV1
AV2

EXT_VIN

AV2_AL

FM_5V

FM_AL
AV2_AL

AV1_V

AV2_V

AV1_AL

FM_AR

AV1_AR

AV2_AR

FM_ANT

AV1

TV_ANTC

FM_5V

TV_ANTC

R217
47K

R216
1K

R218 1K

Q21
2SC1815

U18

78L05

VIN

VOUT

GND

C188

100uF/16V

C189
100uF/6.3V

C191
0.1uF

U15

4052

INH

VIN1

RS1131

ARIN1
RS1131

ALIN1
RS1131

Q15
KTC4376

Q14

KTC4376

U12
78L09

VIN

VOUT

GND

R182

OPEN

R177
OPEN

C135
1uF

R141

10K

R136

39K

R174

0RJ

R175

OPEN

RV1
ANT2

C122

10uF/16V

C126

10uF/16V

R179

0RJ

U13

TDA7053A

R134
7R5

R132

39K

R133

10K

R181

OPEN

U17

4052

INH

C131

0.01uF

C132
220uF/16V

C124
1uF

C137

0.01uF

LIN2

ANT2

RIN2

ANT2

GND1
ANT2

D20
HVM14

D14
1SS187

ANT-G2

C130
0.01uF

R138
47R

C125
0.01uF

TUNER

AGC

GND

C129
0.01uF

U14

M61260FP

VRAMP CAP

AFT OUT

VIF VCC

SIF VCC

VRAMP OUT

VRAMP FB

AFC FILTER

DEF GND

LOGIL GND

FBP IN

H OUT

DEF VCC

VDD DECOUPLING

R OUT

G OUT

B OUT

HVCO FB

MONITOR OUT

INV FBP OUT

VP OUT

B IN

G IN

R IN

FAST BLANK

CLK CONT

SDA

SCL

P-ON CONT

FSC OUT

MCU RESET

Y SW OUT

MCU5.7V

ABCL

X-TAL

DRIVER GND

V/C GND

CHROMA APC FILTER

EXT/C IN

DRIVER VCC

V/C VCC

TV/Y IN

VREG VCC

DDS FILTER

HI VCC

SECAM BELL FB

SECAM PLL FB

8.7V

CARRIER OUT

5.7V

SIF FB

AUDIO OUT

EXT AUDIO IN

FM DIRECT OUT

VIF VCO FB

SIF GND

VIF GND

VIF VIDEO OUT

RF AGC OUT

VIF APC FILTER

PAL IDENT FILTER

IF AGC FILTER

VIF IN1

VIF IN2

AUDIO BYPASS

R129
390R

R135
390R

R128

18K

C128
100uF/6.3V

Z2
CF2955M

GND

OUT

C133
0.22uF

C177
100uF/16V

R130

33K

C167

100uF/6.3V

TU-ANT1
AA

ANTOUT1

JP4

ST-3507-02

1
2
3
4
5

C160

1uF

C176

100uF/6.3V

C142

1uF

C146

1uF

C141
47uF/16V

C143

1uF

C144
10uF/16V

R161
10K

C168
1uF

C169
0.01uF

C127

47uF/16V

C145
0.1uF

C150
0.1uF

C178

0.01uF

L14

100uH/0.3A

U7D

4069

C156
0.47uF

C123
47uF/16V

J111

ST-35062-02

4
5
6
7
8
9

C161
0.22uF

C152

10uF/16V

C170
1uF

C171
0.01uF

C158
0.01uF

C179
0.01uF

R139
10R

C180
0.01uF

C163

0.01uF

C138

100uF/16V

L10
100uH/0.3A

C175
220uF/6.3V

C147
0.01uF

C154
0.01uF

C151

2200pF

C157

0.01uF

R144
10K

C155
0.01uF

C159

0.01uF

R167
6.8K

R163
10K

C165

0.01uF

C162

0.01uF

R164

22K

C164
0.01uF

C166

0.01uF

R171
2.2K

ANT-IN1
AA

C148
2200PF

R169
2.2K

C172
24pF

R168
2.2K

RV2
ANT2

C173
100pF

C174
39pF

R159
2.2K

R219

OPEN

RIN3
ANT2

LIN3
ANT2

V2
ANT2

C153
22pF

R162
2.2K

R157
1M

R147
470R

R146
470R

R145
1K

J112
PH4

1
2
3
4

4.433619MHz-16

R158
22R

C194
1uF

R160
100R

R142
10K

L11

33uH

R165
2.2K

R140
47K

R137

6.8K

L15

1801A

U16

GNT-100

ANT

GND1

DATA

CLOCK

VCC

GND2

GND3

GND4

R155
6.8K

L13

100uH/0.3A

R156
680R

ANT-G1
AA

R166
22R

L12
1uH

C149
2200pF

R143
2.2K

R152
150R

R148
1.5K

R149

4.7K

R150
680R

R151
22R

R170
15K

R172
100K

GND3
ANT2

GND2
ANT2

C140
16pF

R131
33R

Q17

2SC1815

D19

HVM14

C136

180pF

Q16
2SC9018

R188

20K

C139
0.01uF

R154
47K

R153

47K

C192
0.1uF

C186

100PF

C184
1uF

R186 0R

R183
100

R180

100

C187
100PF

C183
1uF

C190

10uF/6.3V

R214
1K

R215
10K

R195

20K

R189

10K

C195
1uF

R190

10K

R194
20K

C134

0.22uF

TU-GND1

R187
15K

R192
10K

JP5

USB

R173
75R

R178
20K

R184
10K

R176
10K

Q18

2SC1815

C193
10uF/16V

R193
75R

R185
20K

C181
10uF/16V

C185
1uF

C182
1uF

MON

4.5MHz

+12V

STB

SCL

SDA

BLANK

OSD_R

OSD_G

OSD_B

CC+12V

CLK

FSC

RESET

MCU5V

Vsync

+5V

VOL

C+12V

AV2

AV1

SYNC

L+5V

Summary of Contents for LCD-7114KL

Page 1: ...Service Manual LCD 7114KL Service Manual LCD 7114KL R LCD 7114KL ...

Page 2: ... １７１８１９２０２１２２２３２４２５２６２７２８Ｂａｄｇｅ１ＦｒｏｎｔＣａｂｉｎｅｔ１Ｓｐｅａｋｅｒ２ＣｏｎｔｒｏｌＫｎｏｂ１ＲｅｍｏｔｅＬｅｎｓ１ＳｃｒｅｗＢＡ２Ｘ６ｍｍ８ＴＦＴＰａｎｅｌ１ＣｏｎｔｒｏｌＫｅｙＰＣＢ１ＳｃｒｅｅｗＢＡ２Ｘ６ｍｍ４ＦｉｘｅｄＳｐｏｎｇｅ４ＰａｎｅｌＦｉｘｅｄＰｌａｔｅ４ＳｃｒｅｗＰＢ２６Ｘ６ｍｍ４ＤＣＪａｃｋＰＣＢ１ＢａｔｔｅｒｙＣｈａｒｇｅＰＣＢ１ＭａｉｎＰＣＢ１ＳｔａｎｄＳｈａｆｔ２ＲＣＡＪａｃｋ３ＢａｃｋＣａｂｉｎｅｔ１ＳｃｒｅｗＰＢ３Ｘ１０ｍｍ８ＷａｌｌＭｏｕｎｔＢｒａｃｋｅｔ１ＳｃｒｅｗＢＡ２Ｘ６ｍｍ６ＳｔａｎｄＨｏｌｄｉｎｇＰｌａｔｅ２ＳＣｒｅｗＰＭ３Ｘ６ｍｍＰＭ１Ｒｏｄ...

Page 3: ...0 R121 R160 R180 R183 10 011 B121A 200 SMD Resistor 0603 120 OHM 5 2 R5 R23 11 011 B151A 200 SMD Resistor 0603 150 OHM 5 1 R152 12 011 B1581A 200 SMD Resistor 0603 180 OHM 5 1 R205 13 011 B221A 200 SMD Resistor 0603 220 OHM 5 2 R119 R120 14 011 B331A 200 SMD Resistor 0603 330 OHM 5 2 R60 R118 15 011 B391A 200 SMD Resistor 0603 390 OHM 5 3 R79 R129 R135 16 011 B471A 200 SMD Resistor 0603 470 OHM 5 ...

Page 4: ...6 011 B272A 200 SMD Resistor 0603 2 7K OHM 5 2 R48 R62 27 011 B332A 200 SMD Resistor 0603 3 3K OHM 5 4 R70 R59 R213 R216 28 011 B362A 200 SMD Resistor 0603 3 6K OHM 5 1 R53 29 011 B472A 200 SMD Resistor 0603 4 7K OHM 5 4 R12 R58 R97 R149 30 011 B682A 200 SMD Resistor 0603 6 8K OHM 5 3 R137 R155 R167 31 011 B822A 200 SMD Resistor 0603 8 2K OHM 5 2 R32 R64 32 011 B822A 200 SMD Resistor 0603 8 2K OHM...

Page 5: ... R95 R102 R110 R111 R112 R114 R123 R126 R164 39 011 B243A 200 SMD Resistor 0603 24K OHM 5 1 R51 40 011 B273A 200 SMD Resistor 0603 27K OHM 5 1 R66 R3 R9 R25 R29 R31 R33 R67 R72 R104 R107 R108 R109 R130 R17 R19 R27 R28 R132 R136 R21 R54 R105 R140 R153 R154 R211 R217 R196 44 011 B683A 200 SMD Resistor 0603 68K OHM 5 2 R57 R43 6 43 011 B473A 200 SMD Resistor 0603 47K OHM 5 9 42 011 B393A 200 SMD Resi...

Page 6: ... R40 R82 R157 50 51 011 E020A 200 SMD Semi Fixed Resistor 3X3mm 2K OHM 1 VR1 52 011 E104A 200 SMD Semi Fixed Resistor 3X3mm 100K OHM 1 VR2 53 C5 C10 C15 C16 C22 C24 C27 C30 C34 C45 C46 C47 C48 C63 C95 C100 C105 C111 C117 C119 C121 C125 C129 C130 C131 C137 C139 C147 C154 C155 C157 C158 C159 C162 C163 C164 C165 C166 C169 C171 C178 C179 C180 C37 C38 C40 C41 C44 C49 C50 C51 C52 C54 C57 C58 C59 C60 C66...

Page 7: ...6 C160 C168 C170 C182 C183 C184 C185 C194 C195 59 014 B100C 800 SMD Ceramic Capacitor 0603 10pF 50V 1p 1 C64 60 014 B220C 800 SMD Ceramic Capacitor 0603 22pF 50V 10 1 C153 61 014 B240C 800 SMD Ceramic Capacitor 0603 24pF 50V 10 1 C172 62 014 B330C 800 SMD Ceramic Capacitor 0603 33pF 50V 10 2 C92 C93 63 014 B390C 800 SMD Ceramic Capacitor 0603 39pF 50V 10 1 C174 64 014 B820C 800 SMD Ceramic Capacit...

Page 8: ... Capacitor 0603 1500pF 50V 20 1 C196 73 014 B222C 800 SMD Ceramic Capacitor 0603 2200pF 50V 20 3 C148 C149 C151 74 75 004 0S187 S00 SMD Diode 1SS187 ST 23 5 D1 D4 D6 D9 D14 D2 D3 D5 D15 D16 D17 77 004 00311 S00 SMD Diode 1SS311 SOT 23 1 D7 78 004 00355 S00 SMD Diode MA335 MIN12 1 D10 79 004 08051 S00 SMD Diode MA8051 M MIN12 F1 2 D11 D12 80 004 0A716 S00 SMD Diode MA716 SOT 23 1 D13 81 004 0VM14 S...

Page 9: ...A1015 SOT 23 5 Q11 Q12 Q13 Q19 Q20 92 003 04376 S00 SMD Transistor KTC4376 SOT 89 2 Q14 Q15 93 003 09018 S00 SMD Transistor 2SC9018 SOT 23 1 Q16 94 95 002 04601 D00 IC XN4601 SC 74 2 U1 U3 96 002 02001 D00 IC AP2001 SOP 16 1 U2 97 002 03Y26 H00 IC IR3Y26A QFP 48 1 U4 98 002 02107 U00 IC NJM2107F SMP 5 1 U5 99 002 9GLJ24 H00 IC LZ9GJ24 QFP 72 1 U6 100 002 04069 D00 IC MC4069 SOP 14 1 U7 101 002 034...

Page 10: ...FPC Socket FPC 0 5S 32P 3 CN1 CN2 CN3 115 002 B0400 040 SMD LCD Back light Socket BHR 04VS 1 1 J1 116 117 012 C224F 300 Mylar Capacitor 0 22uF 50V 2 C112 C113 118 012 C124M 300 Mylar Capacitor 0 12uF 250V 1 C3 119 0125 C106B 300 Mini Elect Capacitor 10uF 10V CX11X 3 C36 C42 C104 C82 C101 C122 C126 C144 C181 C193 121 0125 C106F 300 Mini Elect Capacitor 10uF 50V CX11X 2 C28 C29 122 0125 C226B 300 Mi...

Page 11: ...Capacitor 470uF 25V CX11X 1 C12 132 0125 C108D 300 Mini Elect Capacitor 1000uF 25V CX11X 2 C132 C198 133 014 A300F 500 Ceramic Capacitor 30PF 3KV 2 C2 C4 134 135 002 10180 F00 IC PIC 1018SMD 1 U11 136 002 78L09 F00 IC 78L09 SIP 3 1 U12 137 002 07053 B00 IC TDA7053A DIP 16 1 U13 138 002 78L05 F00 IC 78L05 SIP 3 1 U18 OPTIONAL 139 140 010 A0686 200 Inductor 68UH 1A CE 68 1 L1 L2 L4 L6 L10 L13 L14 14...

Page 12: ...C574 TO 92 1 D8 151 006 44336 400 Crystal PF4 433619MHz 49US 1 Z1 152 017 B2955 C00 SAW CF2955M 1 Z2 V 1 V 1 TV AV1 POWER1 P 1 P 1 MENU1 154 011 A100H 200 Carbon Resister 10 1W 5 1 R210 155 011 A758H 200 Carbon Resister 7R5 1W 5 1 R134 156 009 DG355 AA0 TV Tuner BTH 377A BG DK 1 157 023 A0030 R00 LED D3mm Red 1 LED2 158 205 16120 40L Speaker 16O 1W 20 40mm 2 159 025 SK22G 050 Slide Switch SK 22D03...

Page 13: ... 171 001 701BD R91 TV 701A Control Key PCB ZD7 820 233 VER1 1 1 172 001 701BD B01 TV SECAM L PCB ZD7 820 178 VER1 1 1 173 001 701BD B01 TV 701A Battery Charge PCB 1 174 001 701BD B01 TV 701A DC Jack PCB 1 175 176 030 F180U 04B Housing PH 4 L 180 80mm AWG 28 1 Main PCB to Two Speaker 177 036 A02000 040 Wafer PH 4 1 J112 178 030 F150U 06B Housing PH 6 L 150mm AWG 28 1 Main PCB to Control Key PCB 179...

Page 14: ...CB U14 Pin 53 to SECAM L PCB Out 186 035 H0500 BE0 Single Jumper Wire L 50mm AWG 32 Green 1 Main PCB C164 Z2 to SECAM L IF 187 035 H1100 GY0 Single Jumper Wire L 30mm AWG 32 Grey 2 Main PCB 5V GND to SECAM L PCB 5V GND 188 217 701BG C02 Antenna Soldering Plate D3 2mm 1 189 253 18045 000 PVC Tape Size W 18x L 45mm 1 190 Plastic Parts 191 401 701BCB 1GY TV 701B Front Cabinet with Roadstar Badge Hole...

Page 15: ... Set 2 5 For Front Back Cabinet 1 For Main PCB 205 234 PB026 06W Taping Screw PB2 6x6mm Nik 4 For TFT Panel 206 234 PM030 060 Metal Screw PM3 0 6mm P M Black 1 For Rod Antenna 8 For Speaker 4 For Control Key PCB 6 For Wall Mounting Bracket 208 225 22012 650 Cushion 20x12x3mm White 6 209 Packing Parts 210 303 701B0 000 TV 701B Polyfoam Set 1 211 303 701B0 100 LCD 7114KL Rating Plate Roadstar 1 212 ...

Page 16: ... Remote Poly Bag Size 70 130mm 1 222 301 0C045 065 Accessory Poly Big Size 120 160mm 3 223 Accessory Parts 224 201 SW121 0X0 AC DC Switching Adaptor AC230V DC12 1 2A FJ SW1210X with Roadstar Logo 1 225 034 C0202 100 3 5mm to 75 OHM Antenna adapter 1 226 066 R7114 000 Remote Unit LCD 7114KL with Roadstar Logo 1 227 305 B7114 000 LCD 7114KL I B 1 228 305 CT718 000 Stereo Earphone 1 229 461 T718R 000...

Page 17: ...ontrol May be too far away TV or something in front of TV Closed to TV and remove front of TV someone Check the Remote sensor and cable junction JP3 plug 5V Power Line Check power supply circuitry Check Remote Sensor 2 plug of remote control has been Vss Ground correction or not Connection to Vss Ground Check the Remote Sensor J111 Pin2 remote signal has ot Remote sensor damaged Check IC U10 Pin 2...

Page 18: ...utput or not Check IC U13 Pin 5 12V power supply or not Check IC U13 Pin 4 Pin 6 audio signal input or not Check IC U12 near the components of circuitry Check IC U15 3 13 pin has audio signal output or not Check power supply circuitry Start Check R132 and R136 and so on Check IC U14 Pin 50 Pin 54 near the components of circuitry Check Speaker Soldering or J111 Cable may be damaged Check if the mai...

Page 19: ... system setting that match location TV system Check the MENU Setting if the color is set to minimum level Set the colour the normal level Check IC U14 and relative components of circuitry Start Ｓｅｔｔｈｅｃｏｌｏｕｒｓｙｓｔｅｍｃｏｒｒｅｃｔｉｏｎｓｙｓｔｅｍ Check if the Oscillator Crystal Z1 has wave out or not Replace the new crystal near components another ...

Page 20: ...und is bright screen Check the power of the back lighting parts or not Check control buttons is active and display OSD on screen Start May be damaged fluorescent tube Press TV AV button to select source signal Replace new components Q1 Q2 or check near components of circuitry Check U14 Pin 13 to 15 have R G B wave output Check the U10 Pin 10 and control button key Check the connector CN3 and near ...

Page 21: ...eck Power source DC 12V connection Check transistor Q3 Pin E Voltage 12V Check the DC jack and FTP F1 Check Q3 Pin C Voltage 12V Check Q3 Pin B Voltage 11 3V Check Diode D3 Pin Anode Voltage 5V Check IC U2 U3 and near components of circuitry ｙ Start Check and replace new transistor Q3 Check next step power supply parts Check the power supply circuit ...

Page 22: ...CON1 1 J53 CON1 1 J49 CON1 1 J66 CON1 1 J67 CON1 1 BAT 3 BAT 1 POW 2 BAT 1 PGND2 BAT 1 Q5 2SB1188 1 3 2 C16 0 01uF BAT 1 AA 1 Q7 2SC1815 POW 1 AA 1 PGND1 AA 1 J84 CON1 1 C8 1uF C7 47uF 16V J86 CON1 1 J69 CON1 1 J73 CON1 1 J74 CON1 1 J68 CON1 1 J72 CON1 1 J80 CON1 1 J78 CON1 1 BLED2 AA 1 BLED2 AA 1 J79 CON1 1 J75 CON1 1 C196 1500PF L16 100uH 0 5A R205 180 R206 0 25 R207 18K R208 1 5K C197 100uF 25V...

Page 23: ...R81 560R R78 560R R77 560R IN IN U5 NJM2107F 3 4 5 2 1 R61 560R C70 1uF VR1 2K 1 3 2 VR2 100K 1 3 2 C37 0 1uF C38 0 1uF C102 0 1uF R55 10K C87 0 1uF C88 0 1uF C95 0 01uF U7A 4069 1 2 U7C 4069 5 6 C107 0 1uF D13 MA716 1 2 3 C103 100PF C106 0 1uF C55 560PF C57 0 1uF C60 0 1uF R80 560K R79 390R R82 1M R68 1K R73 220K R75 560K R62 2 7K R64 8 2K R58 4 7K R54 47K R51 24K R57 68K R63 10K R49 100R R43 68K...

Page 24: ...A1015 Q13 2SA1015 Q11 2SA1015 C118 470pF R126 22K R122 10K R212 2K LED1 2LED 1 2 3 Q20 2SA1015 Q19 2SA1015 R213 2K R196 47K R211 47K JP3 PH4 1 2 3 4 5 6 JP2 PH4 1 2 3 4 5 6 U10 M37160 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 EEP SCL VT ID OUT VOL PWM REAR VIEW SECAM L VL VH U KEY L R U D 4 5MHz OUT A MUTE ASPE1 ASPE2 POWER...

Page 25: ......

Page 26: ...AM BELL FB SECAM PLL FB 8 7V CARRIER OUT 5 7V SIF FB AUDIO OUT EXT AUDIO IN FM DIRECT OUT VIF VCO FB SIF GND VIF GND VIF VIDEO OUT RF AGC OUT VIF APC FILTER PAL IDENT FILTER IF AGC FILTER VIF IN1 VIF IN2 AUDIO BYPASS R129 390R R135 390R R128 18K C128 100uF 6 3V Z2 CF2955M 1 2 3 4 5 IN IN GND OUT OUT C133 0 22uF C177 100uF 16V R130 33K C167 100uF 6 3V TU ANT1 AA 1 ANTOUT1 AA 1 JP4 ST 3507 02 1 2 3 ...

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