Toshiba 20HL85 Service Manual page 30

A B
8
FROM POWER
P.CON+5V
7
AT+3.3V
AT+5V
P.CON+9V
GND
GND_2
FROM/TO TUNER/JACK
SCL
SDA
TUNER_VIDEO
CVBS_SW1
6 REAR_CVBS
CVBS_SW2
SIDE_CVBS
S_IN_Y
S_IN_C
REMOCON_IN
5
FROM/TO OPERATION/REMOCON
CP5002_1
(CD2201_1)
A2001WV2-5P
5 P>CON+5V
4 NC
C5002
4
3 AT+5V
0.1 B
2 GND
D5001
1 REMOCON IN
RB520S-30-TE61
3
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-1
C D
AV SWITCH1 SCHEMATIC DIAGRAM
(AV PCB)
TUNER/AV1(REAR)/AV2(SIDE) SW IC
IC5001 NJM2534V (TE2)
5.0 0
C5012
2.2 B
3.3 4.3
BUFFER
5.5 9.0
C5011
2.2 B
BAIAS
3.2 5.0
C5015
2.2 B
C D
E F
W824 W822 W828
36
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
FROM/TO STEREO/SOUND AMP
LEVEL SHIFT NC
Q5005
2SK3018T106
37
5.0 3.3
LEVEL SHIFT
Q5004 3.3
2SK3018T106
NC
5.0 3.3
NC
3.3
NC
NC
NC
NC
NC
G
H
8
7
SCL
SDA
STEREO_RESET
SW_AUDIO_L[PC]
SW_AUDIO_R[PC]
6
HP_OUT_L
HP_OUT_R
FROM/TO SCALER
CP5001 (CP801)
5
00_6232_029_006_800+
29
GND 28
HP_OUT_R 27
GND 26
HP_OUT_L
25
GND 24
23
GND 22
21
20
GND
SW_AUDIO_R(PC) 19
GND 18
4
SW_AUDIO_L(PC) 17
16
STEREO_RESET 15
14
SCART_AUDIO_SW 13
12
SDA1
SCL1 11
GND 10
9
GND 8
7
GND 6
3
SWITCH_CVBS 5
GND 4
SWITCH_VIDEO_Y 3
GND 2
SWITCH_VIDEO_C 1
2
PCBD20
CME030
1
H
G-2