Sharp LC-42LE771E Service Manual ▷ View online
77
LC-42/50LE772
LC-42/50LE771
[1] OVERALL WIRING DIAGRAM 42”
MAINBOARD
:
MB90-3
PSU
:
IPS71 R3
PANEL
:
VES420UNVL-3D-S01
MODEL
:
LC-42LE771EN / LC-42LE771K
LC-42LE772EN
IPS71 R3
MB90-3
CN4
CN11
LVDS FFC
1 PIN_1
1 GND
CN10
2 GND
2 GND
1 OP_PIN1
3 ST_BY
3 3V3_VCC_P
2 PAN_SCL
4 GND
4 3V3_VCC_P
3 PAN_SDA
5 BL_ON-OFF
5 VDD_AUDIO
4 OP_PIN4
6 GND
6 3V3_STBY
5 OP_PIN5
7 PWM_DIM
7 12V_VCC/STBY
6 OP_PIN6
8 GND
8 12V_VCC/STBY
7 OP_PIN7
9 5V_STBY
9 5V_VCC_P
8 OP_PIN8
10 12VCC
10 5V_VCC_P
9 OP_PIN9
11 12VCC / PIN_3
11 5V_STBY
10 OP_PIN10
12 12VCC / PIN_4
12 12V_VCC/STBY
11 GND
13 DIMMING
12 TX_1_0_N
14 GND
13 TX_1_0_P
15 BACKLIGHT_ON/OFF
14 TX_1_1_N
16 GND
15 TX_1_1_P
17 STBY_ON/OFF / GND
16 TX_1_2_N
18 GND
17 TX_1_2_P
19 24V_VCC / GND
18 GND
20 GND
19 TX_1_CLK_N
20 TX_1_CLK_P
21 GND
22 TX_1_3_N
20 TX_1_CLK_P
21 GND
22 TX_1_3_N
PANEL BL INV
23 TX_1_3_P
CN6
24 TX_1_4_N
1 V_LED+
25 TX_1_4_P
2 LED1_S
26 OP_PIN26
3 LED2_S
27 OP_PIN27
4
28 TX_2_0_N
5 V_LED+ / LED2_S
29 TX_2_0_P
SWITCH
MAINS
6 LED3_S
30 TX_2_1_N
CN2
CN1
7 LED4_S
31 TX_2_1_P
32 TX_2_2_N
33 TX_2_2_P
34 GND
35 TX_2_CLK_N
32 TX_2_2_N
33 TX_2_2_P
34 GND
35 TX_2_CLK_N
WIFI
36 TX_2_CLK_P
CN2
37 GND
1 5V_VCC
38 TX_2_3_N
2 USB_WIFI_DN
39 TX_2_3_P
3 USB_WIFI_DP
40 TX_2_4_N
4 GND
41 TX_2_4_P
FUNC.BUTTONS
42 OP_PIN42
CN26
43 OP_PIN43
LED / IR
1 GND
44 GND
CN27
SPEAKER
2 KEYBOARD
45 GND
1 GND
CN15
3 GND
46 GND
2 LED2
1 R_AUDIO_P
4 3V3 VCC
47
3 LED1
2 R_AUDIO_N
5 TOUCHPAD_SCL
48 PANEL_VCC
4 IR_IN
3 L_AUDIO_P
6 TOUCHPAD_SDA
49 PANEL_VCC
5 5V STBY
4 L_AUDIO_N
50 PANEL_VCC
51 PANEL_VCC
51 PANEL_VCC
TK148 KEY BOARD
CONN
CONN
PANEL POWER SUPPLY
LED / IR BOARD
PANEL T-CON BOARD
SPEAKER RIGHT
SPEAKER LEFT
LVDS CABLE
DC CABLE
Part Code 23153859
Part Code 30077897
CHAPTER 8. OVERALL WIRING/SYSTEM BLOCK DIAGRAM
78
LC-42/50LE772
LC-42/50LE771
[2] OVERALL WIRING DIAGRAM 50”
MAINBOARD :
MB90-3
PSU
:
IPS20 R6
PANEL
:
VES500UNVL-3D-S01
MODEL
:
LC-50LE771EN / LC-50LE771K
LC-50LE772EN
LC-50LE772EN
IPS20 R6
MB90-3
CN200
CN11
LVDS FFC
1 BL_ON-OFF
1 GND
CN10
2 PWM_DIM
2 GND
1 OP_PIN1
3 GND
3 3V3_VCC_P
2 PAN_SCL
4 GND
4 3V3_VCC_P
3 PAN_SDA
5 GND
5 VDD_AUDIO
4 OP_PIN4
6 24-80V
6 3V3_STBY
5 OP_PIN5
7 24-80V
7 12V_VCC/STBY
6 OP_PIN6
8 24-80V
8 12V_VCC/STBY
7 OP_PIN7
9 5V_VCC_P
8 OP_PIN8
10 5V_VCC_P
9 OP_PIN9
11 5V_STBY
10 OP_PIN10
12 12V_VCC/STBY
11 GND
13 DIMMING
12 TX_1_0_N
14 GND
13 TX_1_0_P
15 BACKLIGHT_ON/OFF
14 TX_1_1_N
16 GND
15 TX_1_1_P
17 STBY_ON/OFF / GND
16 TX_1_2_N
18 GND
17 TX_1_2_P
19 24V_VCC / GND
18 GND
20 GND
19 TX_1_CLK_N
20 TX_1_CLK_P
21 GND
22 TX_1_3_N
20 TX_1_CLK_P
21 GND
22 TX_1_3_N
PANEL BL INV
23 TX_1_3_P
CN501
24 TX_1_4_N
1 V_LED+
25 TX_1_4_P
2 LED1_S
26 OP_PIN26
3 LED2_S
27 OP_PIN27
4
28 TX_2_0_N
5 V_LED+ / LED2_S
29 TX_2_0_P
SWITCH
MAINS
6 LED3_S
30 TX_2_1_N
CN101
CN100
7 LED4_S
31 TX_2_1_P
32 TX_2_2_N
33 TX_2_2_P
34 GND
35 TX_2_CLK_N
32 TX_2_2_N
33 TX_2_2_P
34 GND
35 TX_2_CLK_N
WIFI
36 TX_2_CLK_P
CN2
37 GND
1 5V_VCC
38 TX_2_3_N
2 USB_WIFI_DN
39 TX_2_3_P
3 USB_WIFI_DP
40 TX_2_4_N
4 GND
41 TX_2_4_P
FUNC.BUTTONS
42 OP_PIN42
CN26
43 OP_PIN43
LED / IR
1 GND
44 GND
CN27
SPEAKER
2 KEYBOARD
45 GND
1 GND
CN15
3 GND
46 GND
2 LED2
1 R_AUDIO_P
4 3V3 VCC
47
3 LED1
2 R_AUDIO_N
5 TOUCHPAD_SCL
48 PANEL_VCC
4 IR_IN
3 L_AUDIO_P
6 TOUCHPAD_SDA
49 PANEL_VCC
5 5V STBY
4 L_AUDIO_N
50 PANEL_VCC
51 PANEL_VCC
51 PANEL_VCC
TK148 KEY BOARD
CONN
CONN
PANEL POWER SUPPLY
LED / IR BOARD
PANEL T-CON BOARD
SPEAKER RIGHT
SPEAKER LEFT
Part Code 30077949
LVDS CABLE
DC CABLE
Part code 23113896
79
LC-42/50LE772
LC-42/50LE771
[3] SYSTEM BLOCK DIAGRAM MB90
80
LC-42/50LE772
LC-42/50LE771
CHAPTER 9. PRINTED WIRING BOARD
[1] MAIN BOARD
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