Service Manuals, User Guides, Schematic Diagrams or docs for : BEKO TV BEKO LP2000S BEKO LP2000S 02
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U_02 - scaler U_03 - vcti U_04 - graphics
02 - scaler.SchDoc 03 - vcti.SchDoc 04 - graphics.SchDoc
L5C VCT-IF + gm2221 Low End to Mid Range LCD TV Project Schematics
Initial Release: Apr. 08, 2005
A May. 18, 2005 A
U_05 - subwoofer U_06 - power U_06 - power-b
05 - subwoofer.SchDoc 06 - power.SchDoc 06 - power-b.SchDoc Audio Amplifiers changed to Maxim 9704 and subwoofer changed to MP3371.
The 12V to 33V converter circuit components changed to BAV99 and 220NF SMD caps.
Aug. 08, 2005
Second PCB release with bring-up modifications.
U_07 - inverter-b U_08 - tuner U_09 - swaudio
07 - inverter-b.SchDoc 08 - tuner.SchDoc 09 - swaudio.SchDoc
U_10 - headphone U_07 - lvds U_05 - audio_amp
B B
10 - headphone.SchDoc 07 - lvds.SchDoc 05 - audio_amp.SchDoc
U_02 - scart
02 - scart.SchDoc
C C
Title
D D
L5C
Size Number Revision
A4
Date: 27.04.2006 Sheet of
File: D:\Dosyalar\..\01 - top-b.SchDoc Drawn By:
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1 2 3 4 5 6 7 8
L5C : VCT-IF AND PERIPHERALS
L300 J224
175mA
1V8_STBY VDD1V8D
10uH 0R J316
C341 C300 C337
10U25V100N 470P 0R
GND
L316 Q314
L301 Q200 125mA
225mA SCL5V SCL3V3 12V 12V-A
1V8_STBY VDD1V8FE SCL5V SCL3V3 10uH
10uH C359 C311 C312 C384
C342 C301 C371 R383
10U25V
100N 100N 47U16V
10U25V100N 1N
GND BC337-16
220R
L302 R233 R234 GND GND
48mA 2N7002
3V3_STBY VDD3V3FE 3K3 3K3
10uH D302
C344 C338 BZX84C12 SOT23
10U25V470P
GND
L303 5V_STBY 3V3_STBY
11mA
A 3V3_STBY VDD3V3IO GND A
10uH
C345 C303 This circuit is used for 15V panels. Otherwise the jumper is mounted.
10U25V100N
GND R202 R203
L304 10K 10K
95mA
3V3 VDD3V3D
10uH
C346 C304
10U25V100N
GND
L305
3V3 VDD3V3BE
10uH SDA5V SDA3V3
C348 C339 SDA5V SDA3V3
Q201
10U25V470P 2N7002
GND
L306
25mA
5V VDD5VFE J225
10uH
C305 0R
100N
GND
L307
65mA 8V
5V VDD5VIF
10uH
C350 C306
10U25V100N C356 C309
GND 10U25V 100N U303
L308 C318
18mA 5V
5V VDD5VBE SC1_BLUE BIN
10uH SC1_BLUE GND GND 1 88
C354 C307 C411 C308 GND GND GND GND
R365 100N 2 87
10U25V100N 3.3U50V 100N VSUP8.0AU VSUP5.0BE VDD5VBE
75R 3 86 SUBWOOFER
GND VREFAU TEST/SUBW SUBWOOFER R351
SPEAKERL 4 85
SPEAKERL SPEAKERL VERT+ GND 470R
GND GND SPEAKERR 5 84
L310 SPEAKERR SPEAKERR VERT- GND R361
26mA AOUT1L 6 83 C323
3V3 VDD3V3DAC GND C319 AOUT1L EW GND 18K
10uH AOUT1R 7 82 100N
C358 C340 SC1_GREEN GIN AOUT1R RSW2 Q303 Q307
SC1_GREEN AOUT2L 8 81 C343
10U25V470P AIN3L/AOUT2L RSW1 BC858B BC848
R367 100N VDD5VFE AOUT2R 9 80 VOUT1
GND AIN3R/AOUT2R SENSE GND
75R AIN2L 10 79
AIN2L GNDM GND R300 10U25V
AIN2R 11 78
L311 R422 AIN2R FBIN GND R363 R374 10K
150mA AIN1L 12 77 SC1_CVBS_OUT
5V VDD5VAUD C320 6K8 AIN1L RIN GND SC1_CVBS_OUT
10uH AIN1R 13 76 75R 180R
C360 C314 SC1_RED GND RIN SIF/AIN1R GIN GND R375
SC1_RED 14 75
B 10U25V100N AGC TAGC BIN GND 150R B
R368 100N C310 15 74 C470 GND
GND R322 GND 100N VREFIF SVMOUT VDD5VBE
75R 16 73 RED
VDD3V3D IFIN- IFIN- ROUT
10K 17 72 GREEN
FBLIN L309 IFIN+ IFIN+ GOUT 470P
RESETQ 18 71 BLUE GND
RESETQ RESETQ BOUT
VCT-IF
C321 8.2uH 19 70
GND VDD5VFE VSUP5.0FE VRD 1K
R323 Q309 100N L314 Ferrite Bead 20 69 R358
SC1_FBL VDD5VIF VSUP5.0IF XREF GND C313 C412
SC1_FBL BC848 C413 Ferrite Bead 21 68
10K VDD3V3D VSUP3.3DIG VSUP3.3BE VDD3V3BE 100N 4.7U50V
R369 22P L315 22 67
GND GND GND GND GND
2
75R 23 66 GND
Y300 GND GND GND GND
GND 24 65 GND GND 3V3_STBY
20.25MHz VDD1V8D VSUP1.8DIG VSUP3.3IO VDD3V3IO
25 64
GND XTAL1 VSUP3.3DAC VDD3V3DAC
1
C414 26 63 C423
GND 22P XTAL2 GNDDAC GND 33P
J306 0R FBLIN UART_RX 0R J305 27 62 SAFETY
SC1_FBL P22 SAFETY SAFETY R338 R337
VS_VCT 28 61
VS_VCT P23 HFLB 3K3 3K3
Optional FBLIN 29 60 HS_VCT
VIN11 HOUT HS_VCT
BIN 30 59
VIN10 VPROT GND
GIN 31 58 SDA3V3
VIN9 SDA
C316 RIN 32
VIN8 SCL
57 SCL3V3
5V
SC1_CVBS_IN 100N 33 56 0R J314 UART_RX
SC1_CVBS_IN VIN7 P21 UART_RX
SC2_CVBS_IN 34 55 0R J315 UART_TX
SC2_CVBS_IN VIN6 P20 UART_TX
C322 35 54
100N GND VIN5 P17 TP306 J320 0R
SVHS_C 36 53 R352
VIN4 P16 TP309 3V3
SVHS_Y 37 52 S304 470R
VIN3 P15 TP317 J319 0R
38 51 R362
GND VIN2 P14 5V 1 C324
C398 RCA_CVBS 39 50 18K
R353 VIN1 P13 TP321 100N
SC1_IN_L AIN2L VOUT1 40 49 Q308
SC1_IN_L VOUT1 P12 TP319 GND 2 Q304 C347
470R VOUT2 41 48 BC848
C376 C417 220N VOUT2 P11 TP322 VOUT2
42 47 BC858B
1N 330P VOUT3 P10 TP320 3
43 46 R301 10U25V
VDD1V8FE VSUP1.8FE VSUP3.3VFE VDD3V3FE
44 45 R364 R376 10K
GND GND GND GND A connector for the SC2_CVBS_OUT
GND GND SC2_CVBS_OUT
Light Sensor option. 75R 180R
C399 R377
SC1_IN_R R354 AIN2R VCT-IF PSSDIP88(2)
SC1_IN_R C471 150R GND
470R
C377 C418 220N
1N 330P 470P
GND
Close to VCTi
GND GND C333
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