Panasonic OmniVision PV-C2780 Service Manual page 142

TV PROCESS C.B.A.
3.58MHz
TO/FROM
CHROMINANCE
PICTURE IN PICTURE
BLOCK DIAGRAM
LUMINANCE
V. PULSE
PROCESS
(FROM IC6001(27))
43
I 2 C SERIAL CLOCK
2
I C
BLANKING
(TO/FROM IC6001(28)) CONTROL
44
I 2 C SERIAL DATA
40 4 33 10 19 16 18
Q5302
BUFFER
D5304
IC5301
(LUMINANCE/CHROMINANCE PROCESS)
31
36
41
5
H. PULSE
6
PROCESS
TV/VCR MAIN C.B.A.
11
(FROM IC3101 (7))
VIDEO
Q3314
P5305 PIN
COMPARATOR
12 37
P5305 PIN
11 36
VERTICAL C.B.A.
P5303 PIN PIN P451
11 17 9 9
P5302 PIN PIN P451
5 5 7 7
P5305 PIN PIN P451
3 28 8 8
PIN P451
(TO IC6001 (82))
10 10
OVER CURRENT (H)
PIN P451
(FROM Q801 (C))
1 1
DISCHARGE
P5302 PIN PIN P451
3 3 5 5
P5302 PIN PIN P451
2 2 4 4
P5302 PIN PIN P451
1 1 3 3
P5302 PIN PIN P451
4 4 6 6
P5302 PIN
6 6
P5305 PIN
5 30
X5601
3.58MHz OSC
25
VCO
CHROMINANCE
SIGNAL PROCESS
MATRIX
LUMINANCE
SIGNAL PROCESS
IC3301
(CCV/OSD MICROCONTROLLER)
OSD-R
19
TP3301
OSD-G
14 20
5
OSD-B
DISPLAY
6 21
CONTROL
X3301
OSD-BLANKING
32KHz
22
Q3311 VIDEO MUTE (H)
32
BUFFER 15
Q3315
17
Q3310
18
Q432,Q433,Q434
V POSITION
CONTROL
IC451
(VERTICAL DEFLECTION DRIVE)
VERTICAL DEFLECTION
2 12
DRIVE
4 7
Q431
FEED BACK
BUFFER
CIRCUIT
D506
NOT USED
D541 D544
Q541
D507
Q542
+27V Q502
DRIVE
Q571
Q501,Q551,T501, T502 HORIZONTAL
BUFFER
VIDEO SIGNAL
CRT C.B.A.
B P5301 P351
21
OSD 4
CHARACTER G P5301 P351
22
MIX/
3
BLANKING
R P5301 P351
23
2
29 28 27 20
P8001
TP49
5
PIN P5305
31 6
PIN P5305
32 7
PIN P5305
33 8
PIN P5305
34 9
P452 PIN
4 15
P452 PIN
3 14
D502
P452 PIN
2 13
OVER
IC501,
CURRENT
Q581
DETECTOR
P452 PIN
5 16
NOT USED
D503,C513
P452 PIN DC
6 17 CONVERT
(FROM IC801(4))
+130V
DRIVE
TP47
RGB AMP
Q351
BLUE AMP
4
Q352
GREEN AMP
CRT
3
Q353
RED AMP
2
TP49 TP50
HEATER
P552 P352
1 1
P552 P352
3 3
2
VERTICAL
DEFLECTION
1 YOKE
4
HORIZONTAL
DEFLECTION
6 YOKE
T551
VIDEO+B ANODE
HEATER FOCUS
FLYBACK
+B SCREEN
TRANS-
COLLECTOR
ABL
FORMER