JVC VF-P115BE, Service Manual

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CHARTS AND DIAGRAM
SECTION 3
3.1 VF-P116W SCHEMATIC DIAGRAM
6 6
Shield
Chasiss GND
Sync separator
Peaking
Clamp
Pluse shapper
Protector
V-drive
H-drive
High voltage
Blanking
MAIN board
UNLESS OTHERWISE SPECIFIED
RESISTORS : 1/10W
PNP TRANSISTORS
NPN TRANSISTORS
: NOT MOUNTED MARKED PARTS
VIDEO INPUT
(CN1
3PIN)
IC2 16PIN
4.2Vp-p (H-rate)
IC2 3PIN
1.9Vp-p (V-rate)
IC2 1PIN
1.7Vp-p (V-rate)
Q109 COLLECTOR
21.5Vp-p (H-rate)
TP1
9.4Vp-p
(H-rate)
T1 2PIN
0.26Vp-p (H-rate)
T1 5PIN
140Vp-p (H-rate)
0
9.8
6.1
5.4
5.5
6.2
6.3
5.5
4.7
6.3
5.1
6.3
4.7
5.5
4.7
3.9
3.9
3.3
21.4
21.2
20.8
0.1
0
0
9.0 5.0
1.7
1.2
4.5 7.2
0.3
-2.0
0.7
3.7
6.8
382V
57.3
57.3
967
0
8.9
0
0
-0.2
5.0
0.7
4.0
4.4 2.0 1.6 5.0
1.9
2.4 5.0 2.3
2.4
1.5 2.2
4.4
21.9
44.6
21.4
-0.2
8.4
5.0
22.6
3.0
NOT USED
4:3(L)/16:9(H)
SWITCHING
IC101 5PIN
4.8Vp-p (H-rate)
6.8k
R158
R517
1.2k
chasiss GND
: MSA1022(C)
: MSC2295(C)
R601
1.8k
Voltage and waveform weasurements.
・ Voltage : Measured with digital volt meter
・ Waveform : camera color bars.
・ Screen aspect ratio : 16:9.
in DC range, iris closed.
V-deflection switching
VIDEO OUTPUT