Av Switch1 - Toshiba 20HL85 Service Manual

A B
8
7
FROM/TO POWER
P.CON+5V
AT+3.3V
AT+5V
P.CON+9V
6 GND
GND_2
FROM TO TUNER/JACK
SCL
SDA
TUNER_VIDEO
CVBS_SW1
REAR_CVBS
CVBS_SW2
SIDE_CVBS
5
S_IN_Y
S_IN_C
REMOCON_IN
4
FROM/TO OPERATION/REMOCON
CP5002_1 (CD2201_1)
A2001WV2-5P
5 P>CON+5V
4 NC
C5002
3 AT+5V
0.1 B
2 GND
D5001
1 REMOCON IN
RB520S-30-TE61
3
2
1
A B
G-1
C D
AV SWITCH1 SCHEMATIC DIAGRAM
(AV PCB)
TUNER/AV1(REAR)/AV2(SIDE) SW
IC5001 NJM2534V
5.0 0
C5012
2.2 B
3.3 4.3
W824
BUFFER
5.5 9.0
C5011
2.2 B
BAIAS
3.2 5.0
C5015
2.2 B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E F
W822 W828
37
LEVEL SHIFT
Q5004
2SK3018T106
36
5.0 3.3
3.3
23
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.
E F
G H
FROM/TO STEREO/SOUND AMP
SCL
SDA
STEREO_RESET
SW_AUDIO_L[PC]
SW_AUDIO_R[PC]
HP_OUT_L
HP_OUT_R
FROM/TO SCALER
CP5001 (CP801)
00_6232_029_006_800+
LEVEL SHIFT NC 29
Q5005
GND 28
2SK3018T106
HP_OUT_R 27
5.0 3.3
GND 26
HP_OUT_L 25
3.3
GND 24
NC 23
GND 22
NC 21
20
GND
SW_AUDIO_R(PC) 19
GND 18
SW_AUDIO_L(PC) 17
NC 16
STEREO_RESET 15
NC 14
NC SCART_AUDIO_SW 13
12
SDA1
SCL1 11
GND 10
NC 9
GND 8
NC 7
GND 6
SWITCH_CVBS 5
GND 4
SWITCH_VIDEO_Y 3
GND 2
SWITCH_VIDEO_C 1
PCBD20
CME030
G H
8
7
6
5
4
3
2
1
G-2