Toshiba 40L54 Series Service Manual Download Page 26

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10R

R88

+24

17ips71-r3

19-11-2013_13:35

AX M

PROJECT NAME :

SCH NAME :

DRAWN BY :

T. SHT:

Q19
FQD7N10L

+24

16V

10u

C300

16V

10u

C23

C24

16V

10u

R298

V_LED+

SB5100

D29

CON_AC

S46

17u

S19

10R

R71

R72
10R

+24VCC_SW

R73
10R

10R

R74

50R

C50
25V

V_LED+

47p

2kV

C44

47u

S20

+24VCC

LED2_S

S43

S18

S44

LED3_S

LED4_S

S45

100R

R299

VCC_LED

LED4

LED4_S

OVP_LED

16V

10u

C301

FQD7N10L

Q18

LED2_S

LED2

VCC_LED

100R

R110

R87

25V

C74

470n

LED3

MP3394

LED3

LED2

LED1

OVP

ISENSE

GATE

VIN

VCC

LED4

BOSC

ISET

OSC

GND

DBRT

COMP

470n

25V

C75

R89

270R

C76

16V

330n

R90

270R

PWM_DIM

C77

330n 16V

330k

R111

S54

R113

6k8

100k

VCC_LED

LED4

S55

LED2

LED1

C78

10V

2u2

OVP_LED

CS_LED

C79

2u2

10V

GATE_LED

50V

10u

C83

C84
10u
50V

C80 10V

2u2

330k

R112

BL_ON-OFF

25V

C51

C22

47u

50V

VCC_LED

+12VCC

LED1_S

LED2_S

S47

S48

S49

S50

S51

S52

S53

LED3

LED2

LED4

LED3

LED2

LED1

LED4

LED1

LED3

LED2

LED1_S

LED2_S

LED4_S

LED3_S

LED4_S

LED3_S

LED2_S

LED1_S

V_LED+

CN6

R104

C65
1n
50V

R105

R106

R107

V_LED+

R65

R66

R67

R68

R69

R70

50R

C49
1u
25V

+24

Q17

FQD7N10L

D21

1N4148

R78
10R

SB5100

D27

R86

10k

150u

47u

BC858B

Q14

GATE_LED

D28

SB5100

BL_ON-OFF

+24

CN7

PWM_DIM

C45

2kV

47p

CS_LED

V_SW

Tapped Coil Option

LED DRIVER

BOOST INPUT VOLTAGE

LED DRIVER VCC CONNECTION

BOOSTED OUTPUT

CHANNEL OPTIONS

POWER BOARD to LED BARS CONNECTION

OUTPUT DIODE RC SNUBBER CIRCUIT

LED DRIVER SINK MOSFET OPTION

Summary of Contents for 40L54 Series

Page 1: ...SERVICE MANUAL LCD Color Television 40L54xxDx System Information FILE NO 050 2014080 ...

Page 2: ...CONTENTS 1 IMPORTANT NOTICE 2 GREEN PRODUCT PROCUREMENT 3 LEAD FREE SOLDER 4 SAFETY INSTRUCTION 5 FIRMWARE UPDATING 6 INTERCONNECT 7 EXPLODED VIEW 8 HOTEL MODE HOTEL CLONE 9 SCHEMATIC DIAGRAM 1 ...

Page 3: ...sts if any incurred in connection with or as a result of such modification or alteration THE INFORMATION OR DATA HEREIN SHALL BE PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Toshiba shall not be liable for any damages losses expenses or costs if any incurred in connection with or as a result of use of any...

Page 4: ...ement of parts is not only confined to manufacture The same green parts used in manufacture must also be used as replacement parts LEAD FREE SOLDER This product is manufactured using lead free solder as a part of a movement within the consumer products industry at large to be environmentally responsible Lead free solder must be used in the servicing and repair of this product WARNING This product ...

Page 5: ...jury to children 5 Depending on the model use an isolation transformer or wear suitable gloves when servicing with the power on and disconnect the power plug to avoid electrical shock when replacing parts In some cases alternating current is also impressed in the chassis so electrical shock is possible if the chassis is contacted with the power on 6 Always use the replacement parts specified for t...

Page 6: ...10 Touch current check After completing the work measure touch current to prevent an electric shock Plug the AC cord directly into the AC outlet Do NOT use an isolation transformer for this check Connect a measuring network for touch currents between each exposed metallic part on the set and a good earth ground such as a water pipe Annex D normative Measuring network for TOUCH CURRENTS Resistance ...

Page 7: ...not exceed the following value The part or contact of a TERMINAL is not HAZARDOUS LIVE if a The open circuit voltage should not exceed 35 V peak a c or 60 V d c or if a is not met b The measurement of the TOUCH CURRENT shall be carried out in accordance with IEC 60990 with the measuring network described in Annex D of this standard The TOUCH CURRENT expressed as voltages and does not exceed the fo...

Page 8: ... blink time is longer than MB6X chassis 4 When the blinks of led is stopped TV opens autamatically 5 Power OFF ON TV set then TV will be ready When TV is ON 1 Software can be upgraded on Software Upgrade Mode 2 To access Software Upgrade Mode you will need to enter 1505 with your remote controller 3 When main menu is on On this mode a simple yes no screen appears which asks to upgrade the software...

Page 9: ...X_1_0_P 3 LED1 14 TX_1_1_N 4 IR_IN 15 TX_1_1_P 5 5V_STBY 16 TX_1_2_N 17 TX_1_2_P 18 GND 19 TX_1_CLK_N 20 TX_1_CLK_P 1 21 GND 2 KEYBOARD CN26 22 TX_1_3_N 3 GND 1 TOUCH_PAD_OPTION 23 TX_1_3_P 4 3V3_VCC 2 KEYBOARD_ONBOARD 24 TX_1_4_N 5 3 GND 25 TX_1_4_P 6 4 3V3_STBY 26 OP_PIN26 7 5 TOUCHPAD_SCL 27 OP_PIN27 8 6 TOUCHPAD_SDA 28 TX_2_0_N CN15 29 TX_2_0_P 1 R_AUDIO_P 30 TX_2_1_N 2 R_AUDIO_N 31 TX_2_1_P 3...

Page 10: ...ts tuner etc on the main board vary according to the model 40L543x Broadcast system DVB T correspondence 40L544x Broadcast system DVB S correspondence 40L545x Broadcast system DVB T2 correspondence 40L546x Broadcast system DVB T2 S correspondence Exploded View ...

Page 11: ...2 2 Parts List 1 M B 2 F bezel 3 B cover Lens cosmatic Lens 6 IR B 7 Button Board 8 LVDS 9 SPK 10 Stand Assy P cord 12 P B Carton 14 Side IO bezel 15 Foot Screw 16 Cover Gromet 19 WI FI Panel ...

Page 12: ... allowed to do Restriction level can be determined by using other items on menu namely Volume Limit Panel Button OSD Disable In hotel mode users can not reach channel table and install menu so they could not change any program information Last Status Setting Last Status item to On enable TV open with the closing status Otherwise if Last Status item is set Off TV opens with standby status Volume Li...

Page 13: ...me level If it is changed to enabled then V keys will change HP volume and left right option will change speaker volume unless there is any open osd If it is disabled it will behave as normal Volume control and HP volume control are displayed by volume slider menu Figure Hotel TV headphone slider bar Panel Lock Enables Panel Lock On or prohibits Panel Lock Off the use of front panel buttons OSD Di...

Page 14: ...ata service list preferences etc to USB device On MB61 and MB60 all nvram data is stored in 8x32KB Flash files named as Flash0 bin Flash1 bin Flash7 bin When Copy to USB is called those files are copied from TV to USB Then they can be used for various purposes testing on another TV or testing debugging on observatory etc Note that USB should be plugged before this operation Copy From USB Copy from...

Page 15: ... 2 10R R65 1 2 R66 10R 1 2 R67 10R 1 2 R68 10R 1 2 R69 10R 1 2 R70 10R 1 2 R71 10R 1 2 R72 10R 1 2 HDMI0_HPDIN HDMI0_5V HDMI0_RX2P HDMI0_CLKP HDMI0_CLKN HDMI0_RX0N HDMI0_RX0P HDMI0_RX1N HDMI0_RX1P HDMI0_RX2N HDMI0_SCL HDMI0_SDA HDMI0_HPDIN HDMI0_5V R82 1k 1 2 R83 1k 1 2 1k2 R10 HDMI1_RX0P HDMI1_RX1N HDMI1_RX1P HDMI1_RX2N HDMI1_RX2P HDMI1_CLKN HDMI1_CLKP HDMI1_SCL HDMI1_SDA R84 1k 1 2 Q5 BC848B 1 2...

Page 16: ...VSS_11 VSS_10 VSS_9 VSS_8 VSS_7 VSS_6 VSS_5 VSS_4 VSS_3 VSS_2 VSS_1 DDR0_A00 DDR0_A01 DDR0_A02 DDR0_A03 DDR0_A04 DDR0_A05 DDR0_A06 DDR0_A07 DDR0_A08 DDR0_A09 DDR0_A10 DDR0_A11 DDR0_A12 DDR0_A13 DDR0_DQL0 DDR0_DQL1 DDR0_DQL2 DDR0_DQL3 DDR0_DQL4 DDR0_DQL5 DDR0_DQL6 DDR0_DQL7 DDR0_DQU0 DDR0_DQU1 DDR0_DQU2 DDR0_DQU3 DDR0_DQU4 DDR0_DQU5 DDR0_DQU6 DDR0_DQU7 DDR0_CASB DDR0_RASB DDR0_WEB DDR0_DML DDR0_DMU...

Page 17: ...OE 33R R510 PCM_CD2 PCM_NAND_D2 PCM_NAND_D1 PCM_NAND_D0 PCM_A0 PCM_NAND_D6 PCM_NAND_D5 PCM_NAND_D4 PCM_NAND_D3 PCM_A1 PCM_A2 PCM_A3 PCM_REG PCM_IORD PCM_A4 PCM_A5 PCM_RST PCM_A6 PCM_A7 PCM_WAIT PCM_A12 PCM_WE PCM_A14 PCM_A13 PCM_A8 PCM_A9 PCM_IOWR PCM_A11 PCM_OE PCM_IORD PCM_A10 PCM_CE PCM_NAND_D7 PCMCD2 PCM_NAND_D0 PCM_NAND_D1 PCM_NAND_D2 PCM_NAND_D3 PCM_NAND_D4 PCM_NAND_D5 PCM_NAND_D6 PCM_NAND_D...

Page 18: ...AL_O GND2 VDD_H2 VDD_H3 VDD_L ALIF_P ALIF_N DLIF_P VDD_H1 DLIF_N VDD_D GND1 VDD_IO SDA SCL AGC2 GPIO2 GPIO1 50V 1n2 C344 Q131 BC858B 1 2 3 3V3_VCC 100n C153 10V 10V 100n C154 C164 100n 10V 50V 1n2 C360 X1 27MHz 3V3_VCC_TUNER 47p C163 1V8_VCC_TUNER 1V8_VCC_TUNER DIGITAL_IF_N 3V3_VCC_TUNER 100n 10V C144 12n L109 60R F68 1 2 50V 1n C326 VGA_G VGA_B VGA_HSNC VGA_VSNC VGA_R VGA_G R511 33R 47n C182 16V ...

Page 19: ...X2_1 LX2_0 LX1_1 LX1_0 VIN1 BST EN1 RLIM1 SS1 CMP1 FB1 ROSC SYNC FB3 CMP3 SS3 RLIM3 120k R644 C472 4n7 50V R646 20k 50V 4n7 C473 FB3 10u 16V C488 FB1 R647 20k C475 50V 4n7 R394 100k 4n7 C477 50V 60R F53 1 2 12V_VCC C205 47n 16V 4u7 L40 6V3 C1210 22u S85 R822 560R R255 10k C478 4n7 50V FB1 C1212 22u 6V3 6V3 22u C1211 47n C206 16V 12V_VCC 1V5_VCC FB2 50V 4n7 C479 R651 7k5 R101 560R R256 10k FB2 R645...

Page 20: ..._N PANEL_VCC TX_2_CLK_P OP_PIN9 S217 1 2 S218 1 2 S219 1 2 S220 1 2 TX_2_4_N TX_2_4_P TX_1_4_N TX_1_4_P OP_PIN43 R50 10k 1 2 OP_PIN42 10k R78 1 2 S39 1 2 MEGA_DCR_IN OP_PIN9 R220 33k PANEL_VCC 10k R79 1 2 OP_PIN9 10k R80 1 2 PANEL_VCC 33k R221 OP_PIN8 33k R235 PANEL_VCC R81 10k 1 2 OP_PIN7 10k R87 1 2 PANEL_VCC OP_PIN6 10k R88 1 2 PANEL_VCC 33k R236 33k R238 R89 10k 1 2 PANEL_VCC OP_PIN5 OP_PIN27 ...

Page 21: ...0k 1 2 R655 5k6 50V 220p C520 LINE_R_IN LINE_R_IN SC_AUD_R_OUT LINE_L_IN LINE_L_IN 50V 220p C521 R656 5k6 SC_AUD_L_OUT R200 10k 1 2 R800 18R DSP_MAIN_R_OUT DSP_MAIN_L_OUT S28 DSP_MAIN_R_OUT R607 200k 50V 3n3 C453 DSP_MAIN_L_OUT MAIN_L S31 C454 3n3 50V 200k R608 MAIN_R SAV_R_IN SAV_L_IN SAV_R_IN SAV_L_IN 10k R201 SAV_AUD_L_IN R202 10k SAV_AUD_R_IN R397 12k 12k R398 JK1 7 6 5 4 3 2 1 C209 10u 10V 10...

Page 22: ..._3 VDDC_4 VDDC_5 VDDC_6 VDDC_7 VDDC_8 VDDC_9 VDDC_10 VDDC_11 VDDC_12 VDDC_13 AVDD12 AVDDL_MOD FB_CORE AVDD_LAN12 DVDD_DDR AVDD_ADC25_0 AVDD_ADC25_1 AVDD_ADC25_2 AVDD_REF25 AVDD_LAN25 AVDD_MOD_0 AVDD_MOD_1 AVDD_PGA25 PGA_COM AVDD_ALIVE AVDD_DVI_USB_0 AVDD_DVI_USB_1 AVDD_MPLL AVDD_DMPLL BYPASS AVDD_AU33 AVDD_EAR33 VDDP_0 VDDP_1 AVDD_LPLL_0 AVDD_LPLL_1 VDDP_2 AVDD_DDR0_0 AVDD_DDR0_1 AVDD_DDR0_2 AVDD_...

Page 23: ...G SC_CVBS_IN R373 47R 1 2 50V 33p C383 75R R531 1 2 SC_PIN8 50V 33p C384 SC_CVBS_OUT SC_AUD_L_OUT 75R R532 1 2 D29 CDA4C16GTH 8 7 6 5 4 3 2 1 SC_AUD_R_OUT C385 50V 33p C468 50V 4n7 50V C386 33p JK4 1 2 3 4 YEL WHT RED 75R R533 1 2 R534 75R 1 2 75R R535 1 2 75R R538 1 2 UART TX SC UART RX SC TP14 1 TP15 1 CDA4C16GTH D4 8 7 6 5 4 3 2 1 4n7 C469 50V TP16 1 TP17 1 TP18 1 TP19 1 TP20 1 TP21 1 TP22 1 TP...

Page 24: ... XTALP XTALN VDDA3 TEST3 TEST2 TEST1 VDDA4 QP QN VDDA1 IN IP CK_OUT VDDA2 S2_TUN_3V3 S2_TUN_3V3 50V 27p C175 27p C176 50V S2_TUN_3V3 10n 16V C50 2k R276 10k R165 1k R159 10n 16V C51 CLKO_TS2022 10k R179 10n C59 16V 16V 10n C60 16V 10n C61 X3 27MHz 3 1 4 2 S2_TUN_3V3 S2_TUN_3V3 18p C179 50V 50V C208 18p 33R R252 33R R259 S2_IP S2_IN S2_QN S2_QP S2_SDA S2_SCL C62 10n 16V 16V 10n C104 470R R183 C105 ...

Page 25: ...V 56n C43 R20 1k 12VCC TR1 15 2 5 6 16 1 12 11 7 10 N1 N4 N3 N2 N6 N5 S26 PIN_9 12V_AC S42 24V_DC BC848B Q8 Q9 BC848B BC848B Q10 ST_BY IC_PWM_CONT_FAN6300_SOP 8 U202 1 2 3 4 8 7 6 5 GATE VDD NC HV GND CS FB DET 1u L4 D39 SBR10U150 33k R79 R81 200k R83 56k 24V_AC 12V_AC D13 UF5402 S296 D296 C18V 10k R281 D11 UF5402 D12 UF5402 D23 SB5100 D24 SB5100 D25 SB5100 400V R280 10k 400V 10R R295 10R R292 R29...

Page 26: ...0n 16V 330k R111 S54 R113 6k8 100k R3 VCC_LED LED4 S55 LED2 LED1 C78 10V 2u2 OVP_LED CS_LED C79 2u2 10V GATE_LED 50V 10u C83 C84 10u 50V C80 10V 2u2 330k R112 BL_ON OFF 25V 1u C51 C22 47u 50V VCC_LED V_SW 12VCC LED1_S LED2_S S47 S48 S49 S50 S51 S52 S53 LED3 LED2 LED4 LED3 LED2 LED1 LED4 LED1 LED3 LED2 LED1_S LED2_S LED4_S LED3_S LED4_S LED3_S LED2_S LED1_S V_LED V_LED CN6 7 6 5 4 3 2 1 100R R104 C...

Page 27: ...1 8 7 6 5 4 3 2 1 A B C D E F AX M 1 2 3 4 5 6 7 8 A B C D E F A3 SCH NAME DRAWN BY T SHT 50V 100n C6 C4 100n 50V 220R R3 100R R1 50V 1u C2 C3 1u 50V 100n 50V C5 IR1 3 2 1 OUT GND VS 22R R2 CB1 5 4 2 3 1 C1 1u 50V D1 VBC30034 xx295 LED BMS TOSHIBA ...

Page 28: ...REV 00 Jun 23 2014 TOSHIBA LIFESTYLE PRODUCTS SERVICES CORPORATION 2 9 Suehiro Cho Ome Shi Tokyo 198 8710 Japan ...

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