Toshiba 15DLV76 Service Manual page 12

A B
8
7
FROM/TO POWER
P.CON+9V
6
AT+3.3V
AT+5V
LCDON
GND
FROM/TO JACK
5 D_PB
D_Y
C4215
D_PR
C4227
470P CH
AV_AUDIO_R
C4213
1 B
CVBS_IN
C4226
47P CH
AV_AUDIO_L
1 B
C4222
C4212
1 B
470P CH
C4223
C4219
4
470P CH
FROM/TO TUNER/STEREO
1 B
SCL
SDA
C4224
TUNER_A_R
C4214
1 B
TUNER_A_L
C4225
470P CH
TUNER_VIDEO
C4216
1 B
47P CH
FROM/TO OPERATION C4218
SIDE JACK/REMOCON
C4228
47P CH
3
CD4202 (CP4402)
1 B
CU281101
C4229
1 FRONT_A_IN_R
C4220
1 B
2 GND
C4230
470P CH
3 FRONT_A_IN_L
C4221
1 B
4 GND
C4231
47P CH
5 FRONT_V_IN
C4217
1 B
6 FRONT_S_C
C4232
470P CH
7 FRONT_S_Y
1 B
8 FRONT_S_L
C4233
47P CH
2
1
A B
H-5
C
AV SWITCH SCHEMATIC DIAGRAM
(AV PCB)
C4244_1
16V 470 YK
DVD_A_IN_L
4.7 4.5
C4235 C4238 C4245
0.01 B 1 B 470P CH
Vref
4.5 4.7
9 C4242
AV_AUDIO_R DVD_Y_IN
DVD_A_IN_R 1 B
4.7 4.6
C4239 C4246
CVBS_IN
1 B 470P CH
4.5 4.7
8 C4243
AV_AUDIO_L DVD_C_IN
1 B
0 0
S_SW_1
S_SW_2
5.4 3.5
C4234
SDA
0.01 B
7.5 3.5
TUNER_AUDIO_R
SCL
4.7 0
C4236
GND
0.01 B
7.5 4.7
C4247
TUNER_AUDIO_L
0.01 B
5.4 7.5
TUNER_VIDEO SW_A_R
0 5.7
C4237
NC
0.01 B
0 4.5
SW_A_L
NC
5.4 5.7
SIDE_C_IN SW_CVBS
6dB
7.5 4.5
C4250
6
SIDE_A_IN_R
BIAS
16V 22 KA
5.4 4.5
SIDE_Y_IN SW_Y
6dB
7.5 9.0
7 + C4251
SIDE_A_IN_L
Vcc
0.01 B
5.4 5.3
R4240
SIDE_CVBS SW_C
6dB
1K
0 5.0
D_L1_Vin D_SW_1
NC
IC4201 AN15853B-E1 AV SW IC
C
D E
R4242
C4253 75
47P CH
C4254
47P CH
R4241
75
R4217
SDA
100 1/4W
R4218
SCL
100 1/4W
L4207
47uH 0305
L4206
47uH 0305
(W018)
R4228
W826
1K
Q4203
KTC3875S_Y_RTK
BUFFER 8.9
R4229
W825
2.1
1K
1.5
8.9
2.4
Q4202
1.8
KTC3875S_Y_RTK
BUFFER
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
R4243
4.7K
LEVEL SHIFT
Q4206
2SK3018T106
LEVEL SHIFT
10
5.0 3.3
Q4205
2SK3018T106
11
5.0 3.3
3.3
3.3
8.9
2.1
1.5
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
F G
H
8
FROM/TO TUNER/STEREO
7
AFT
FROM/TO SOUND
SCL
SDA
SW_AUDIO_R
SW_AUDIO_L
AUDIO_MUTE
FROM/TO POWER
LCD-H
POWER_ON-H
POWER_FAIL
6
FROM/TO JACK
DVD_A_OUT_L
DVD_A_OUT_R
DVD_AUDIO_R
DVD_AUDIO_L
ZERO
SPIF_134
FROM/TO AUDIO/VIDEO
CP4203 (CD703)
A2001WV2-9P
[U]C_VIDEO 9
5
GND 8
[Y]Y_VIDEO 7
GND 6
DVD_A_OUT_R 5
GND 4
DVD_A_OUT_L 3
ZERO 2
SPDIF-134 1
FROM/TO SCALER
CP4204 (CP801)
00_6232_026_006_800+
4
26
POWER_FAIL
25
POWER_ON-H
NC 24
STAND-BY
23
LCD-H
22
LCDON
NC 21
20
AUDIO_MUTE
NC 19
EXT_MUTE-H
NC 18
NC 17
SCART1_Y
16
AFT
NC 15
AGC
14
SDA1
3
13
SCL1
12
GND
11
SCART_B or Pb
10
GND
9
SCART_G & Y
8
GND
7
SCART_R & Pr
6
GND
5
SWITCH_CVBS
4
GND
3
SWITCH_VIDEO_Y
2
GND
2
SWITCH_VIDEO_C 1
CD4204
2H0Q0801
PCBD20
CMF082
1
H
H-6