Panasonic PVQ-1312W Service Manual page 146

TV / Y/C PROCESS BLOCK DIAGRAM
TV/VCR MAIN C.B.A.
(FROM IC3001(25))
PB VIDEO
(FROM VIDEO IN)
LINE VIDEO
FROM UHF/VHF TUNER
/TV DEMODULATOR UNIT
TUNER VIDEO
(FORM IC6001(13))
VIDEO MUTE(H)
(FROM IC6001(26))
IC5301
3.58MHz
(LUMINANCE/CHROMINANCE PROCESS)
PB
1
Q5301
LINE
46
CHROMINANCE
TUNER 3
36
SIGNAL PROCESS
48
MUTE
41 LUMINANCE
V. PULSE SIGNAL PROCESS
10 5
PROCESS
H. PULSE
19 6
PROCESS
16
BLANKING
18
2
V. HEIGHT CONTROL I C
40
CONTROL
11
33
43 44
(TO/FROM IC6001(17))
2
I C SERIAL DATA
(FROM IC6001(18))
2
I C SERIAL CLOCK
Q3301
D507
R503,C513
D503
DC
CONVERT
Q571
BUFFER
D5304
Q5302 NOT USED
BUFFER
Q5601
NOT USED
BUFFER X5601
(TO IC3001(82))
3.58MHz OSC
3.58MHz
D5602
31 25
VCO
OSD
CHARACTER
MATRIX
MIX/
BLANKING
29 28 27 20
IC6001
(OSD/CCV MICROCONTROLLER)
OSD-R
49 61
OSD-G
62
DISPLAY
CONTROL OSD-B
63
OSD-BLANKING
59
45 46
(FROM IC3001(25))
VIDEO
IC451
(VERTICAL DEFLECTION DRIVE)
VERTICAL DEFLECTION
2 12
DRIVE
4 7
Q431
FEED BACK
BUFFER
CIRCUIT
D402
(TO IC6001(79))
OVER CURRENT(H)
IC501
OVER
CURRENT
DETECTOR
Q581
OVER
IC502,Q501
CURRENT
Q551, T501 DETECTOR
HORIZONTAL
DRIVE
(FROM IC801(4))
+130V
PVQ-1312W/PV-C1322-K/PV-C1352W-K/PVQ-2012/VV-2002/PV-C2022-K/PVQ-2512/PV-C2542
VIDEO SIGNAL
CRT C.B.A.
RGB AMP
Q351
B P5301 P351
21 BLUE AMP
4 4
Q352
G P5301 P351
22 GREEN AMP
3 3
Q353
R P5301 P351
23 RED AMP
2 2
TP49
P552 P352
1 1
(WITH 13 inch CRT)
P353
1
P357
1 (WITH 20 inch &
25 inch CRT)
P552 P352
3 3
2
VERTICAL
DEFLECTION
YOKE
1
4
HORIZONTAL
DEFLECTION
YOKE
6
Q531,Q532
OVER
VOLTAGE
DETECTOR
T551
VIDEO+B ANODE
HEATER FOCUS
FLY BACK
COLLECTOR SCREEN
TRANSFORMER
+B ABL
TP47
CRT
TP50
HEATER
TV / Y/C PROCESS BLOCK DIAGRAM