Toshiba 55L7400U, Service Manual

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Wiring Diagram
CN650 CN1 CN2 CN505 CN502 CN506
CN700 1 VCC_LCD 1 Anode1 1 Anode6 1 GND 1 3D_EN 1 VCC_LCD
1 3.3V_TVM 1 3.3V_STB 2 VCC_LCD 2 Cathode1 2 Cathode6 2 GND 2 HE_RESET 2 VCC_LCD
2 RMT_IN 2 Remote 3 VCC_LCD 3 Anode2 3 Anode7 3 R4EP 3 HE_LVOPDN 3 VCC_LCD
3 GND 3 GND 4 VCC_LCD 4 Cathode2 4 Cathode7 4 R4EN 4 SDA 4 VCC_LCD
4 OP_IN 4 OP_IN
5 NC 5 Anode3 5 Anode8 5 R4DP 5 SCL 5 NC
5 3.3VF 5 3.3V_VF 6 GND 6 Cathode3 6 Cathode8 6 R4DN 6 NC 6 GND
6 5V_STB 7 GND 7 Anode4 7 Anode9 7 GND 7 LVDS_SEL(L) 7 GND
7 GND 8 GND 8 Cathode4 8 Cathode9 8 R4CLKP 8 EXT.PWM 8 GND
8 LED GREEN 9 FRC_CTRL1 9 Anode5 9 R4CLKN 9 FRC_RESET 9 NC
9 LED RED 10 FRC_CTRL0 10 Cathode5 10 GND 10 OPC_ENA 10 NC
11 TB4+ 11 NC 11 R4CP 11 GND 11 R2EP
12 TB4- 12 R4CN 12 TA0- 12 R2EN
1 5V1 13 TB3+ 13 R4BP 13 TA0+ 13 R2DP
2 GND
14 TB3- CN90 PJ90 CN3 14 R4BN 14 TA1- 14 R2DN
3 Green 15 GND 1 +12V 1 12V 1 PWM_1 15 R4AP 15 TA1+ 15 GND
4 RED 16 TBCLK+ 2 +12V 2 12V 2 PWM_2 16 R4AN 16 TA2- 16 R2CLKP
17 TBCLK- 3 +12V 3 12V 3 PWM_3 17 GND 17 TA2+ 17 R2CLKN
18 GND 4 +12V 4 12V 4 PWM_4 18 GND 18 GND 18 GND
19 TB2+ 5 GND 5 GND 5 PWM_5 19 R3EP 19 TACLK- 19 R2CP
20 TB2- 6 GND 6 GND 6 PWM_6 20 R3EN 20 TACLK+ 20 R2CN
21 TB1+ 7 GND 7 GND 7 NC 21 R3DP 21 GND 21 R2BP
22 TB1- 8 GND 8 GND 8 GND 22 R3DN 22 TA3- 22 R2BN
23 TB0+ 9 18.5V_AUDIO 9 18V_SOUND 23 GND 23 TA3+ 23 R2AP
CN300 24 TB0- 10 18.5V_AUDIO 10 18V_SOUND 24 R3CLKP 24 TA4- 24 R2AN
4 L+SPK 25 NC 11 GND_AUDIO 11 GND_SOUND 25 R3CLKN 25 TA4+ 25 NC
3 L-SPK 26 I2C_ONOFF 12 GND_AUDIO 12 GND_SOUND 26 GND 26 I2C_ONOFF 26 NC
2 R-SPK 27 TA4+ 27 R3CP 27 NC 27 R1EP
1 R+SPK
28 TA4- CN91 PJ91 28 R3CN 28 TB0- 28 R1EN
29 TA3+ 1 AC_DETECT 1 AC_DETECT P801A 29 R3BP 29 TB0+ 29 R1DP
30 TA3- 2 POWER_TV 2 POWER_TV 1 L 30 R3BN 30 TB1- 30 R1DN
31 GND 3 5V 3 5V1 2 N 31 R3AP 31 TB1+ 31 GND
32 TACLK+ 4 GND 4 GND 32 R3AN 32 TB2- 32 R1CLKP
33 TACLK- 5 18V_LNB 5 18V_LNB 33 GND 33 TB2+ 33 R1CLKN
34 GND 6 GND 6 GND 34 NC 34 GND 34 GND
CN701 35 TA2+ 7 BL_ONOFF 7 BL_ONOFF 35 NC 35 TBCLK- 35 R1CP
1 POWER_KEY 1 POWER_KEY 36 TA2- 8 PWM 8 NC 36 NC 36 TBCLK+ 36 R1CN
2 ADC_IN1 2 ADC_IN1
37 TA1+ 9 CURRENT_SW1 9 CURRENT_SW1 37 NC 37 GND 37 R1BP
3 GND 3 GND 38 TA1- 10 CURRENT_SW2 10 CURRENT_SW1 38 NC 38 TB3- 38 R1BN
39 TA0+ 39 NC 39 TB3+ 39 R1AP
40 TA0- 40 NC 40 TB4- 40 R1AN
41 GND 41 NC 41 TB4+ 41 GND
42 OPC_ENA 42 FRC_CTRL0 42 DIM_ENA
43 FRC_RESET 43 FRC_CTRL1 43 NC
CN162 44 EXT.PWM 44 GND 44 EXT.PWM
1 5V 1 5V 45 LVDS_SEL(L) 45 GND 45 LVDS_SEL(L)
2 D- 2 M_USB0DM 46 NC CN782 CN501 46 GND 46 NC
3 D+ 3 M_USB0DP 47 SCL 1 12V_PIX 1 12V_FRC 47 NC 47 SCL
4 GND 4 GND 48 SDA 2 12V_PIX 2 12V_FRC 48 VCC_LCD 48 SDA
5 WoWLAN 5 M_WWOL_WAKEUP 49 HE_LVOPDN 3 GND 3 GND 49 VCC_LCD 49 NC
6 GND 6 GND 50 HE_RESET 4 C_POWER_FRC 4 C_POWER_FRC 50 VCC_LCD 50 NC
51 3D_EN 5 GND 5 GND 51 VCC_LCD 51 3D_EN
IR board
Main board
Power board
Speaker(L)
Speaker(R)
LED board
KEY board
Panel module
WiFi module
FRC
E278
E272
E270
E279
E313
E276
E274
E310
E311 E312
E320
E260
E262
E261
E264
E200
E250
E263