Panasonic CY-VHD9401U, Service Manual

Page: 54 / 61

19.2. Main Block -2
To
E-4C928ZBa
CN2
To E-4C280b CN1 To E-4C928ZBb CN3
To E-4C279 CN901
To E-4C279 CN902
C0JBAA000115
C0ABBB000090 C0ABBB000090
YEADAP202KTX
Q450
2SB0709AWL
C0ABBB000090
2SD0601AHR
MA3X152A0L
D251
MA3X15300L
Q251
B1GBCFNN0004
Q351
B1GBCFNN0004
C1AB00000284
0.1
B1GDCFJJ0002
B1GBCJJ0002
YEANAFP1F3PT1
B0ADCJ000012
B0JCQD000002
B1BDEL000001
Q856
2SD0601AHR
B1BDEL000001
2SB0709AWL
YEANFB1F3PT1
R207
100
Q250
MUTE
Q450
VIDEO
AMP
IC211
AMP
Q362
V
REF
IC261
ANALOG SWITCH
Q251
BUFFER
Q351
BUFFER
IC401
AV SW
IC402
SYNC SEPARATER
IC340
AMP
IC330
AMP
Q855–Q857
ON/OFF DRIVE
IC850
DC-DC CONVERTER
Q853,854
POWER CONTROL
Q460
VIDEO
BUFFER
Q805,806
POWER
CONTROL
IC150
BUFFER
YEAD1921BHC
5.0
1.6 4.4
0
2.8
4.7
4.7
4.7
9.3
4.7
4.7
4.7
9.3
0
4.7
4.7
4.7
0
4.7
4.7
4.7
2.3 2.3
0
0.9 0.9
0
5.1
4.4
5.3
5.3
5.3
0
9.3
5.3
5.0
5.0
5.9
9.3
5.3
5.2
5.4
4.7
4.7
4.4
9.3
0
4.7 4.6 4.7 4.4 4.7 4.1
0
4.7
4.7
4.1
4.7
4.4
4.6
4.1
4.1
4.7 4.1 4.7 4.6 4.7 4.1 4.7 4.1
5.0
4.4
0
0
0
3.6
9.0 8.9
8.3
1.7
0.9
1.2
6.9
1.4
2.0
8.3
0
0
0
0
0
12.3
12.0
12.0
12.3
12.3
4.4
12.3
12.3
12.1
7.2
12.3
0.5V/DIV,20us/DIV
2V/DIV,50us/DIV
2V/DIV,50us/DIV
0.5V/DIV,20us/DIV
2V/DIV,1us/DIV
2V/DIV,1us/DIV
10V
9V
5V
3.3V
1.8V
+B
Acc
10V
9V
5V
3.3V
1.8V
VISUAL
AUDIO (L,R)
The following symbols are
shown on the schematic diagram.
9V
9V
9V 9V
5V 5V
R
9V
9V
9V
9V
5V
9V
5V
9V
9V
9V
5V
L
R
L
L
L
R
R
L
R
R L R L
R
L
R
L
R
R R
R L
L L
L R
L
R
L
CY-VHD9401U
44