Toshiba 42WP66R Service Manual page 12

A B
8
FROM POWER
AT+3.3V
AT+5V
P.CON+9V
P.CON+5V
GND
FROM STEREO
AUDIO_JACK_OUT_L
7
AUDIO_JACK_OUT_R
TO POP_AV SWITCH
SIDE_S_C
SIDE_S_Y
SIDE_V_IN
FROM/TO TUNER/POWER SWITCH
6 TUNER_A_MONO_IN
SCL
SDA
TU_VIDEO_OUT
FROM/TO AV JACK
SWITCH_CVBS
AUDIO_IN_L5
AUDIO_IN_R5
S_Y_IN2
S_C_IN2
C4211
5
FROM OPERATION/SIDE JACK/
C4230
47P CH
/REMOCON/FILTER/POWER SWITCH
C4213
25V 10
CP4201 (CP4200)
C4231
470P CH
A2001WV2-8P
1
1 SIDE_A_IN_R
C4232
2 GND
3 SIDE_A_IN_L 25V 10 KA
C4226
4 GND
C4210
1 B
5 SIDE_V_IN
470P CH
6 SIDE_S_C
C4214
7 SIDE_S_Y
47P CH
8 SIDE_S_L
C4228
4 C4216
470P CH
CD4201
CU28A002 1 B C4229
C4215
47P CH
FROM/TO AV JACK
1 B
C4220
FRONT_S_SW
AUDIO_IN_R4 C4205
1 B
AUDIO_IN_L4
C4227
470P CH
VIDEO_IN2
2.2 B
S_C_IN1
C4217
AUDIO_IN_R1
S_Y_IN1
47P CH
AUDIO_IN_L1 C4208
VIDEO_IN1
47P CH
REMOCON_IN
C4225
3
C4218
C4207
1 B
C4221
470P CH
C4456
1 B
C4224
470P CH
C4206
1 B
C4222
470P CH
2.2 B
C4223
47P CH
2
FROM/TO OPERATION/SIDE JACK/
/REMOCON/FILTER/POWER SWITCH
CP4202 (CP2201)
A2001WV2-5P
5 POWER ON LED
4 STANDBY LED
3 AT+5V
2 GND
D4209
1 REMOCON IN
1SS133
CD4202
CU257901
1
TR4207
ZCAT3035-1330
A B
H-1
C
C4242
25V 100
4.7 4.5
C4201 C4238
SIDE_V_IN
KA 1 B 470P CH
4.5 Vref 4.7
SIDE_A_IN_R
B
4.7 4.6
C4202 C4239
TUNER_V
1 B 470P CH
4.5 4.7
SIDE_A_IN_L
0 0
5.4 3.5
C4233
SIDE_C_IN
SDA
1 B
7.5 3.5
SC1_A_IN_R
SCL
4.7 0
SIDE_Y_IN
GND
7.5 4.7
C4243
SC1_A_IN_L
0.01 B
5.4 7.5
SC1/3_V_IN SW_A_R
0 5.7
C4203
0.01 B
0 4.5
SW_A_L
D4202 MTZJ12B
5.4 5.7
SC2_C_IN SW_CVBS
6dB
1 B
7.5 4.5 C4246
SC2_A_IN_R
BIAS
D4203 MTZJ12B
16V 22
5.4 4.5
SC2_Y_IN SW_Y
6dB
7.5 9.0
+ C4247
SC2_A_IN_L
Vcc
0.01 B
5.4 5.3
R4256
SC2_V_IN SW_C
6dB
1K
0 5.0
D_L1_Vin D_SW_1
NC
AV SW IC
IC4201 AN15853B-E1
3.5
SW
CAUTION: DIGITAL TRANSISTOR
Q4233
3.3
KRC102SRTK
0
C
D E
AV SWITCH2 SCHEMATIC DIAGRAM
(AV PCB)
0
MUTE SW
R4269
0
Q4212
KTC3875S_Y_RTK
150K
0
YK
C4250
1 B
D4208
MTZJ12B
C4251
1 B
D4210
MTZJ12B
R4219
SDA
100
R4220
SCL
100
L4207
47uH 0305
L4206
47uH 0305
R4212
3.9K 1/4W
R4209
3.9K 1/4W (W018)
R4222
W803
1K
BUFFER
Q4205
KA
KTC3875S_Y_RTK
R4223
W802
2.1
1K
8.9
2.4
BUFFER
1.8
Q4203
KTC3875S_Y_RTK
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
R4235
R4236
680 1/4W
680 1/4W
MUTE
Q4209
KTC3875S_Y_RTK
0.3
R4232
0
330
0
0.3
L4209
R4229
0
MUTE
L4210
22uH
330 Q4207
0 22uH
KTC3875S_Y_RTK
LEVEL SHIFT
Q4210
2SK3018T106
LEVEL SHIFT
8
5.0 3.3
Q4208
2SK3018T106
9
5.0 3.3
3.3
3.3
8.9
2.1
BUFFER
Q4206
1.5 KTC3875S_Y_RTK
8.9
1.5
W922
W923
W924
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
7
AUDIO_OUT_JACK
J4203
MSP-242V2-01NI-FE_LF
CD4210
CH011202
6
FROM/TO STEREO
TUNER_A_MONO_IN
SCL
SDA
SW_A_IN_R
SW_A_IN_L
STEREO_RESET
SW_AUDIO_L[PC]
SW_AUDIO_R[PC]
5
FROM POP_AV SWITCH
POP_CVBS
POP_VIDEO_C
POP_VIDEO_Y
FROM/TO SCALER
CP4203 (CP803)
00_6232_027_006_800+
NC SPIF_134 27
4
GND 26
POP_S_Y 25
GND
24
POP_S_C 23
GND
22
POP_CVBS 21
GND 20
SW_AUDIO_R(PC) 19
GND 18
SW_AUDIO_L(PC) 17
SC2_AUDIO_OUT-H 16
NC
STEREO_RESET 15
NC SCART3_SW 14
3
NC SCART_AUDIO_SW 13
SDA1 12
SCL1 11
GND 10
NC DVD_Y_OUT 9
GND 8
NC DVD_C_OUT 7
10 GND 6
SWITCH_CVBS 5
GND 4
SWITCH_VIDEO_Y 3
GND 2
2
SWITCH_VIDEO_C 1
CD4203
2H0R0802
PCBD20
CME071
1
H
H-2