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[ AV PWB(POWER) CIRCUIT DIAGRAM ]
A
B
NOTE:
THE DC VOLTAGE AT EACH PART WAS MEASURED
8
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
FROM/TO TV POWER
L801
CP8004
W5T29X7.5X19
51048-1110
1
AT+8V
2
SOUND GND
3
SOUND+B
4
AT+6V
5
AT-8V
7
6
GND
7
GND
8
FBT+8V
9
FBT+12V
10
CHROMA+5V
11
X-RAY TEST
CP8005
W5T29X7.5X19
L802
51048-1200
H.OUT
1
H.OUT
2
P.CON+30V
ACL
3
ACL
4
GND
6
V.OUT
5
V.OUT
AFC
6
AFC
VD
7
VD
POWER_FAIL
8
POWER FAIL
POWER_ON_H
9
TV POWER ON H
EW_OUT
10
EW OUT
DEGAUSS_H
11
DEGAUSS H
12
P.CON+9V
CP8001
173979-9
RESET
1
DVD RESET
5
SW1
2
SW1
3
VCC
D_LOAD
4
D LOAD
5
NC
6
NC
7
GND
3.3V OUT
MTSR
8
SSC-MTSR
Q154
MRST
2SB1143
9
SSC-MRST
4.6
3.9
FROM/TO VIDEO ENCORDER
CP8002
3.3
IMSA-9604S-18Z14
TX
18
TX
4
RX
C151
17
RX
MRST
16
SSC-MRST
6.3V
22
MTSR
15
SSC-MTSR
R151
SW1
14
SW1
330
RESET
13
DVD RESET
D_LOAD
12
D_LOAD
11
P.CON+A5V
10
GND
9
GND
8
P.CON+3.3VA
7
P.CON+D5V
6
P.CON+D5V
3
5
GND
4
P.CON+3.3V
3
P.CON+3.3V
W860
2
GND
SPDIF-134
1
SPDIF-134
CP8003
IMSA-9604S-18Z14
18
GND
DVD_Y
17
CVBS (DVD Y)
16
GND
DVD_C
15
RED(DVD C)
14
GND
DVD_VIDEO
13
GREEN(CVBS)
2
12
GND
11
NC
10
GND
DVD_AUDIO_L
9
AUDIO-L
8
GND
DVD_AUDIO_R
7
AUDIO-R
6
GND
5
GND
4
NC
ZERO
3
ZERO
DVD_RESET
2
DVD RESET
SYS_MUTE
1
1
MUTE
A
B
C
POWER SCHEMATIC DIAGRAM
CAUTION:
SINCE THESE PARTS MARKED BY
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
CRITICAL FOR SAFETY,USE ONES
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DESCRIBED IN PARTS LIST ONLY
+5V REG
IC154
KIA7805API
IN
GND
OUT
1
2
3
8.1
0
5.0
R171
10K M
+-1%
C165
5.0
R166
D152
50V
4.7
KA
4.2
220
1SS133
R169
5.0
1/2W
10K M
P.CON5V
+-1%
DRIVER
3.3V CTL
Q153
Q155
2SB1131
2SC2412K
2.4
R172
3.9
1.8
270
4.6
1.8
3.3V CTL
2.4
C167
3.3V CTL
3.3V CTL
Q156
Q159
Q160
KA
2SC2412K
2SC2412K
2SC2412K
R168
R170
6.3V
22
KA
1.9
1.9
2.7K M
10K M
R182
W805
2.6
C164
+-1%
+-1%
2.7K M
4.3
6.3V
1000
YK
+-1%
5.0
3.4
3.3V OUT
4.3
Q158
KTA1271_Y
5.0
C
No.51821
AV-20FD22
AV-20FD22
D
E
(AV PCB)
ARE
ATTENTION:
LES PIECES REPAREES PAR UN
ETANT
CAUTION: DIGITAL TRANSISTOR
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
+5.6V REG.
+9V REG
+5V REG
Q150
IC152
KIA7805API
IC153
KIA7809API
2SD1246
7.4
5.2
7.3
R163
D159
3901/4W
SB040
IN
GND
OUT
IN
GND
OUT
1
2
3
1
2
3
7.8
0
5.2
11.7
0
9.1
R189
560
HS150
763WAA0173
P.CON5V DRIVER
Q151
2SB1131
W810
5.2
5.2
4.5
R152
R153
D151
10K
220 1/2W
1SS133
P.CON12V DRIVER
Q157
2SB1131
11.8
11.7
10.9
R179
R180
D155
10K
390 1/2W
1SS133
P.CON SW
Q152
KRC111RTK
1.1
4.9
0
D
E
2-19
2-20
F
G
DIGITAL AUDIO SIGNAL(PB)
PLAYBACK LUMINANCE SIGNAL
PLAYBACK COLOR SIGNAL
PLAYBACK VIDEO SIGNAL
AUDIO SIGNAL(PB)
FROM/TO SOUND AMP
SOUND_GND
SOUND+B
P.CON+9V
P.CON+A5V
GND
FROM/TO COMB FILTER
P.CON+9V
P.CON+A5V
GND
FROM/TO STEREO
P.CON+A5V
GND
FROM/TO AV SW
GND
P.CON+9V
DVD_VIDEO
FROM/TO VIF/SIF/CHROMA
DVD_GND
EW_OUT
V.OUT
AFC
H.OUT
ACL
DVD_Y
DVD_C
VD
GND
CHROMA+5V
P.CON+9V
FROM/TO MICON/TUNER
GND
P.CON+30V
CHROMA+5V
POWER_ON_H
DVD_RESET
POWER_FAIL
RX
TX
VD
AFC
AT+5.6V
X-RAY_TEST
DEGAUSS_H
FROM/TO I/O
P.CON+9V
AT+8V
P.CON+D5V
SPDIF-134
AT+5.6V
P.CON+12V
GND
ZERO
SYS_MUTE
PCB350
DVD_AUDIO_L
TMA503
DVD_AUDIO_R
AT-8V
F
G
No.51821
H
8
7
6
5
4
3
2
1
H
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