Toshiba 20VL44 Service Manual page 68

L5C LCD TV 14'',20''
LVDS INTERFACE
TXE_3P
J200
PIN13 0R TP203
J201 TXE_3N
PIN14 0R TP205
J202 TXCLKEP
PIN15 0R TP206
TXCLKEN
J203
PIN16 0R TP207
J204 TXE_2P
PIN17 0R TP208
J205 TXE_2N
PIN18 0R TP209
TXE_1P
J206
PIN19 0R TP210
TXE_1N
J207
PIN20 0R TP212
J208 TXE_0P
PIN21 0R TP213
J209 TXE_0N
PIN22 0R TP214
PANELCTRL
PANELCTRL
TP272
TP202
DE
DE
HS
HS GND
VS TXE_3P
VS
TXE_3N
GND
TXCLKEP
PANELPWR
PANELPWR TXCLKEN
TP215
GND
TXE_2P
TXE_2N
PIN29 GND
J210
PIN29_A 0R TP222 TXE_1P
J211 PIN30
PIN30_A 0R TP216 TXE_1N
J212 PIN31
PIN31_A 0R TP217
PIN32 GND
J213
PIN32_A 0R TP218 TXE_0P
J214 PIN33
PIN33_A 0R TP219 TXE_0N
J215 PIN34
PIN34_A 0R TP220
PIN35 GND
J216
PIN35_A 0R TP221
PIN36 GND
J217
PIN36_A 0R TP223
J218 PIN37
PIN37_A 0R TP224 PANELPWR
J219 PIN38
PIN38_A 0R TP225
J220 PIN43
PIN43_A 0R
J221 PIN44
PIN44_A 0R
J222 PIN45
PIN45_A 0R
J223 PIN46
PIN46_A 0R
ER0
TP230
ER1
TP231
ER2
TP232
ER3 JP200
TP233
ER4 EB3 EB2
TP234 1 2
ER5 EB1 EB0
TP235 3 4
ER6 EG7 EG6
TP236 5 6
ER7 EG5 EG4
TP237 7 8
EB0 EG3 EG2
TP238 9 10
EB1 EG1 EG0
TP239 11 12
EB2 ER7 ER6
TP240 13 14
EB3 ER5 ER4
TP242 15 16
EB4 ER3 ER2
TP243 17 18
EB5 ER1 ER0
TP244 19 20
EB6 PANELPWR PANELPWR
TP245 21 22
EB7
TP246 23 24
EG0
TP247 3V3 25 26
EG1
TP248 5V 27 28
EG2 CLK
TP249 29 30
EG3 VS
TP250 31 32
EG4 HS
TP251 33 34
EG5 DE
TP252 35 36
EG6 EB7 EB6
TP253 37 38
EG7 EB5 EB4
TP254 39 40
CLK
TP255
VS HEADER2X20
TP256
HS
TP257
DE
TP259
AUDIO SWITCHES
Optional
J302 12V-A
RCA_LEFT MR_L
0R
J303
Optional MR_R
0R C325
100N
R303
C349 12V-A
GND
RCA_RIGHT 10K
R305 10K
U301
10U25V R306 GND
C351
R339
C352 12V-A
AUDIO_R_SD 10K
100R
R307 10U25V
12 14
AUDIO_R_SD 10U25V
GND 1Y0 1Z
13 15
C353
10K 1Y1 2Z R340
2 4
R308 GND 2Y0 3Z
1 11
100R
C355 12V-A GND 2Y1 S1
5 10 10U25V
RCA_LEFT 10K 3Y0 S2
3 9
R309 3Y1 S3
10U25V GND
R310
10K
12V-A
R311
C357 12V-A 10K
AUDIO_L_SD 10K
R312
AUDIO_L_SD
GND
10U25V
Q300
10K R382
MEMCRD_RCA_S
BC848B
GND GND GND 4K7
GND
MR_R
SC2_I_R
MR_L
SC2_I_L
DAUGTHER BOARD
GND
L1
PANEL_POWER
FERRITE BEAD
C1
220N
GND
GND HS
VS
GND
DE
GND
CLK
S2
RG1 GND
EB3 EB2 ER7
1 2
EB1 EB0 ER6
3 4
EG7 EG6 ER5
5 6
EG5 EG4 ER4
7 8
EG3 EG2
9 10 RG2 47R GND
EG1 EG0 ER3
11 12
ER7 ER6 ER2
13 14
ER5 ER4 ER1
15 16
ER3 ER2 ER0
17 18
ER1 ER0
19 20 RG3 47R GND
PANEL_POWER PANEL_POWER EG7
21 22
EG6
23 24
EG5
+3.3V 25 26 +3.3V
EG4
R1 +5V 27 28 +5V
CLK
29 30 RG4 47R GND
47R VS EG3
31 32
HS EG2
33 34
C2 DE EG1
35 36
22P EB7 EB6 EG0
37 38
EB5 EB4
39 40 RG5 47R GND
GND EB7
HEADER2X20 EB6
GND EB5
EB4
RG6 47R GND
EB3
EB2
EB1
EB0
47R GND
GND
FH12-50S-0.5S-top contact
GRAPHICS
S200
50
49
48
47
GND
46
PANELPWR 45
44
43
42
41
GND
HS 40
VS 39
38
GND
S201 DE 37
1 36
GND
2 CLK 35
RG200
3 ER0 34
GND
4 ER1 ER7 33
5 ER2 ER6 32
6 ER3 ER5 31
7 ER4 30
RG47R
8 29
RG201 GND
9 ER4 ER3 28
10 ER5 ER2 27
11 ER6 ER1 26
12 ER7 ER0 25
13 24
RG47R GND
14 EG7 23
RG202
15 EG0 EG6 22
16 EG1 EG5 21
17 PIN29 EG2 EG4 20
18 PIN30 EG3 19
GND
19 EG3 18
RG47R
20 EG2 17
EG1 16
20 PIN LVDS EG0 15
RG47R
14
RG203 GND
PIN31 EG4 EB7 13
PIN32 EG5 EB6 12
PIN33 EG6 EB5 11
PIN34 EG7 EB4 10
9
GND 3V3_STBY
PIN35 EB0 EB3 8
PIN36 EB1 EB2 7
PIN37 EB2 EB1 6
PIN38 EB3 EB0 5
4
GND
RG204 3
GND
RG47R 2
PIN43 EB4 1
PIN44 EB5
PIN45 EB6
FH12-50S-0.5SH
PIN46 EB7
RG205
RG47R
3V3
5V
GND
MR_R
MR_L
SPEAKERR
J300
MR_R AIN1R
0R
J301
MR_L AIN1L
MEMCRD_RCA_S
0R
12V-A
C326
R313
100N
12V-A
C361
10K
GND
R314
10U25V
U302
R315 GND C362
R343
C364 10K 12V-A AIN1R
10K
100R
10U25V
R316
12 14
10U25V GND 1Y0 1Z
13 15 C365
10K 1Y1 2Z
R344
2 4 AIN1L
R317 GND 2Y0 3Z
1 11
100R
C366 12V-A GND 2Y1 S1
5 10 10U25V
10K 3Y0 S2
3 9
R318 3Y1 S3
10U25V
GND
R319
LG PL DAUGTHER BOARD
10K
R320 12V-A
C367 12V-A 10K
10K
R321
10U25V
GND
Q301
10K R384
RCA_S2_S
BC848B
4K7
GND GND GND RCA_S2_S
GND
S1
1
2
3
PANEL_POWER
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
POWER INPUT FOR 14-20
33 TP10
34
35
36
37
38
TP11
39 12V INPUT
40
41
42 S601
F600
43
12V
44
TP601
45 FUSE 5A
46
47
48
S600
49
50 GND MOLCON2
D400
5V_STBY
R420 R421 C446
1N4148
EDID 47K 47K 100N
U400 GND
4 5
VSS SDA
3 6
A2 SCL R412
2 7 15
A1 WP GND
1 8 5
TP400
A0 VCC 100R R403
5V 10
GND HT24LC02 14
10K TP401
4
GND 9
D402 13
BAV99L 3
DDC_SDA_VGA 3 8
R413
12
DDC_SDA_VGA
TP402 2
100R
5V 7
DDC_SCL_VGA 11
1
DDC_SCL_VGA
GND 6
D404
BAV99L
DB15HF
3
GND
15
14 5V_STBY
13
12 UART_TX
11 UART_RX
10 TP406
AUDIO_R_SD
9 AUDIO_R_SD
AUDIO_L_SD
8 AUDIO_L_SD
7
BLUE_SD
6
GREEN_SD
5
RED_SD
4
TP407
3
VS_SD
2
HS_SD
1
S400 VS_DSUB 13
GND VS_SD 14
HS_DSUB 15
BLUE_DSUB 16
L400
3V3_RGB HS_SD 17
10uH BLUE_SD 18
C464 C448 C449 C450 C451 C452 C453 C454 C455
19
3V3_RGB
10U25V 100N 100N 100N 100N 100N 100N 100N 100N 20
GND
GREEN_DSUB 21
GND GND GND GND GND GND GND GND GND GREEN_SD 22
Optional for 2nd RGB switch. RED_DSUB 23
RED_SD 24
U402
VS_SW 13 12
E1 SEL
R425 L401 VS_VCT 14 11 VS_G
VS_VCT E0 YE
HS_SW 15 10
BLUE_VCT D1 GND
BLUE_SW 16 9
C1 VDD
75R 3.3uH C467 HS_VCT 17 8 HS_G
HS_VCT D0 YD
330P 18 7
C0 GND
19 6 BLUE_G
3V3_RGB VDD YC
GND 20 5 GREEN_G
GND GND YB
R426 L402 GREEN_SW 21 4
B1 VDD
22 3
GREEN_VCT B0 GND
RED_SW 23 2 RED_G
A1 YA
C468
75R 3.3uH 24 1
A0 VDD
330P
TO GENESIS
GND PI3V512
R427 L403
RED_VCT
75R 3.3uH C469
330P
GND
HEADPHONE
C368
100U16V
VDD5VAUD
TDA1308
1 8 C302
OUTA VDD
100N
R378 C394
5K6 1N5 GND
C396 C369
R380
SPEAKERR 2 7
INA(NEG) OUTB
4K7
100U16V
C405 220N C406 C395 R379
2N2 2N2 1N5 5K6
R381
3 6
INA(POS) INB(NEG)
GND GND
4K7
C407
2N2
4 5
GND VSS INB(POS)
GND
U300
R302
VDD5VAUD
10K
R304 C370 C315
10K 100U16V 100N
GND GND
GND
MC7812K
U2
1 3
IN OUT
GND
GND
LM1117 12V
3 2 +12V
IN OUT
ADJ
C3 C5
C4
100N U1 100N
10U50V
GND
S2
EB3 EB2 GND
TP1 1 2 TP28
EB1 EB0
TP2 3 4 TP27 ER0
EG7 EG6
TP3 5 6 TP26 ER2
EG5 EG4
TP4 7 8 TP25 ER4
EG3 EG2
TP5 9 10 TP24 ER5
EG1 EG0
TP6 11 12 TP23 ER7_S
ER7 ER6
TP7 13 14 TP22
ER5 ER4 GND
TP8 15 16 TP21 EG2
ER3 ER2
TP9 17 18 TP20 EG4
ER1 ER0
19 20 TP19 EG5
PANEL_POWER
21 22 EG7
PANEL_POWER
23 24
GND
+3.3V 25 26 +3.3V EB2
+5V 27 28 +5V EB4
R1
CLK
29 30 GND EB5
VS
47R TP12 31 32 EB7
HS
TP13 33 34 TP30 DE
DE
C2 TP14 35 36
EB7 EB6 FERRITE
22P
TP15 37 38 TP18 +12V
EB5 EB4
TP16 39 40 TP17 L1
GND C1
HEADER2X20
220N
5V
VGA
D401
BAV99L
R406
J400 BLUE_G C457
3 BLUE_DSUB BLUE_SW
47R
P400 TP403
0R 10N
R415
75R
J404 R407
BLUE_SD BLUE_SW C458
5V 0R 47R
10N
GND GND
R414
D403 470R
BAV99L
R408
GREEN_G
J401
3 GREEN_DSUB GREEN_SW
47R
TP404
0R
R416
75R
J405
GREEN_SD GREEN_SW
5V 0R
GND GND R409
C461 GREEN-
47R
10N
D405 R410
RED_G
GND BAV99L
J402
3 RED_DSUB RED_SW 47R
TP405
0R
R417
J407
75R
RED_SD RED_SW
0R
R411
C463 RED-
GND GND
47R
10N
J403
HS_DSUB HS_SW
GND
R418
0R VS_G
J408
HS_SD HS_SW 75R
R404
0R 10K
J406
VS_DSUB VS_SW
GND
R419
0R HS_G
J409
U401 VS_SD VS_SW 75R
R405
0R 10K
12 PC_SD_SW
E1 SEL PC_SD_SW
11 VS_SW
E0 YE
10 C447
D1 GND GND GND
9 100N
C1 VDD 3V3_RGB
8 HS_SW
D0 YD
7 GND
C0 GND GND 2nd RGB Switch
6 BLUE_SW
VDD YC
5 GREEN_SW
GND YB
4
B1 VDD 3V3_RGB
3
B0 GND GND
2 RED_SW
A1 YA
1
A0 VDD 3V3_RGB
PI3V512
RGB SWITCHES
S1_MAIN_SW
C456 S1_MAIN_SW
GND Components designated by the safety symbol should only be replac ed by original parts produced and proofed by the manufacturer
100N
3V3_RGB
GND
GND
Sicherheitsbautelle im Sinn der sicherheitsbestimmung. Diese Teile durfen nur durch Originalteile ersetzt werden.
3V3_RGB
GND
Contrassegno di sicurezza. I componenti devono, corrispondere a ricambi originali e devono essere montati a regola d'arte.
3V3_RGB
Note:
Inverter and panel are also designed by the safety symbol and should only be replaced
by orginal parts produced and proofed by manufacturer.
Der Inverter und das Panel sind ebenfalls mit dem Sicherheitssymbol gekennzeichnet und sollten nur durch
Originalersatzteile, die vom Hersteller erzeugt und genehmigt wurden, ersetzt werden.
l'invertitore e il pannello sono identificati anche dal simbolo di sicurezza e devono
essere sostituiti solo con parti originali prodotte e verificate dal produttore.
TP300
3
C372 INVERTER INTERFACE FOR 14-20
1N
2 GND
J226
GND
1
GND
0R
S300
5V
C373
1N
R212
TP301
10K
R238
C397
470R
SPEAKERL
C254
R239
Q202 22U50V
SPEAKERL BRT_ADJ
220N C408
BC848B
2N2 TP264 1K
BRT_ADJ
GND GND
GND
GND
5V
J228
0R
R226
10K
R240
1K
R241
Q204
BKL_EN
BKL_EN
BC848B
TP265 1K
GND
KEYBOARD MODULE
OUT 1
GND 2
GND
Vs 3
C1
10uF/10V
R2 R1
GND
150R
150R
CN1
3.3V
7
6
LED_RED
5
IR
4
KEY_PMU
RG6 47R 3 R5
KEY_DRL
ER1 ER1_S 2
GND
180R
1
ER3 ER3_S
7 HEADER
ER7 ER7_S
GND
EB6 EB6_S
S2 S5
P-
S1
1 CLK
P+
2
3 HS
VS 4
5
6 GND
7 ER1_S
RG1 8
9 ER3_S
47R 10
11
12 GND
OPTION POWER
13 ER6
14
15 RG2 EG0
16
17 47R EG1
18 P2
19 EG3
P3
RG4 20
7
21
47R 22 GND 4 6
23 EG6
3 5
24
2 4
25 RG3 EB0
26 1 3
27 47R EB1
28 2
SPEAKER
29 EB3
1
RG5 30
31
7 HEADER
47R 32 GND
33 EB6_S GND
34
35
36 GND
37
38 GND
39
40
41
TP29 DF9-41P-1V
GND
BLUE+
BLUE+
BLUE-
BLUE-
SOG_MCSS
C459
SOG_MCSS
10N
GREEN+
GREEN+
C460
10N
GREEN-
C462
RED+
RED+
10N
RED-
VS_PC
VS_PC
C465
22P
GND
HS_PC
HS_PC
C466
22P
GND
.
GND
L205
4.7uH
S203
JP201
1
TP260
2 7
C241
3 6
100N
4 5
TP261
5 4
6 3
5V
7 2
8 1
C255
9
R223 1000U16V
MOLCON7
10
10K
11
12
MOLCON12
Q203
BC848B
INV_POW
GND
OPTION
IR1
GND OUT 1
IR1 Out
GND 2
GND GND
Out Vs 3
Vs
GND
D3
Vs IR
C1
IR
LED_BLUE 10uF/10V
R6
R2 R1 GND
CN1 150R 150R 100R
LED_BLUE
6
3.3V
5
4 GND R5
LED_RED
3
IR
2 4K7
1
MOLCON6 R4
100R
R3 R7 R6 R9
D2
330R 470R 1K 3K9
R3
LED_GREEN Q1
D1
BC848B
4K7
LED LED_GREEN
GND GND
R8
S1 S4 S3 S6
MENU V+ V- AV/TV
270R
HEAD PHONE MODULE
R4
470R
GND
GND
R941
X941
X940
39R R
1 C941 R943
330R
47n/100V
GND
2
R942 L
C940
3 330R
R940 47n/100V
39R
U1
1 8
S D
R10 2 7
C2 S D
3 6
S D POWER
10uF/16V 10K
4 5
G D
FDS6675A
P2
R9 SW1
10K 4
SW-SPST 3
2
1
4 HEADER
SW1
SW SPST
GND
Subject to change without notice
D1
Q2
BC848B
LED_RED
GND GND