Toshiba VTW2185 Service Manual page 68

A B
8
7
VIDEO SW(Y) IC
IC1203 MM1504XNRE
C1221
2.6
Vin1 SW1
1 B
0
GND V.OUT
C1203
2.2
Vin2 Vcc
50V 1 KA
FROM/TO REGULATOR1
P.CON+8V_A
6
P.CON+9V
D1202
AT+5.6V
SB140-EIC
GND
5
W897
0 0.8
1.6
1 2 3
16 15 14
1.5 0 1.6 5.1
4
FROM/TO CHROMA/IF
DVD_Y
SW_VIDEO_OUT
W801
SW_OUT_B
W802
SW_OUT_R
W812
SW_OUT_G
3
SW_OUT_Y
TEXT_SYNC
SWD_VIDEO
FROM/TO MICON
SCL
SDA
VCR/DVD
OSD_R
OSD_G
2
OSD_B
OSD_Y
1SS133
D1252
TEXT_RESET
P.CON+5V_E
1
A B
G-23
C
T'TEXT/RGB SW SCHEMATIC DIAGRAM
0
2.8
KTC3875S_Y_RTK
L1202
8.1
100uH 0305
SYNC BUFFER
Q1253
KTC3875S_Y_RTK
0 0.8 0.8 0
1.5
4 5 6 7 8
C1202
13 12 11 10 9
0 1.5 0 1.6 16V 100 YK
C1273
16V 100 YK
C1274
16V 100 YK
4.8
W884
0.3
0
BLK
BUFFER
Q1262
KTC3875S_Y_RTK
R1289
3.3K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(VCR PCB)
L1203
5.1 3.1
BUFFER
10uH 0305
Q1101
3.8
KTD863_Y
R1115
560
3.8
BUFFER
Q1104
0.9
R1108
0.4
820
L1205
10uH 0305
R1255
120
4.8
C1257
2.3
6.3V 47 KA
1.7
R1251
100
R1256
100
R1280
100
B1201
W4BRH3.5X6X1.0
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
D E
F G
0 0 0 0 0 3.4 3.4 1.4 0 3.4
52 51 50 49 48 47 46 45 44 43
0
CHIPSEL1
2.6
SCL
2.6
51 FLAG2 42 OSC OUT
SDA
52 CHIPSEL0
41 OSC IN
0.2
40 GND2V3
TDO
4.9
VDD5V1
0
T'TEXT IC
GND3V4
IC1201
0
ET-TVT0310A
GNDA1A
C1208
2.2
VREFP
0.1 F
1.3
C1209 VREFN
0.1 F 3.4
VDDA1
C1207
1.9
28 BLUE
VINP
27 BLANK
6.3V 47 KANP
0
GNDA1B
0
14 15 16 17 18 19 20 21 22 23
0 1.2 1.7 3.4 0 1.5 3.6 3.4 2.4 0
F G
H
8
7
6
X1201
100CT01302
13875KHz
5
0.7 0.7 0
42 41 40
3.4
VDD3V1A
R1206 C1219
3.4
VDD3V1B
100 0.022 B
C1220
1.7
PLLRC1
0.1 F
0
GND3V1B
0
GND3V1A
0
4
GND3V5
5.0
VDD5V2
C1218
2.8
RSTB
1 F
0
R1211 D1201
MUTE NC
560 1SS133
2.4 1/4W
RED
C1224
2.4
0.47 B
GREEN
2.4
2.5
3
24 25 26
2.6 0 0
R1210
10K 1/4W
2
PCB010
VMC296
1
H
G-24