Panasonic PT-43LCX64 Service Manual page 83

VIDEO SIGNAL PATH II BLOCK DIAGRAM (2/2)
IC5306 (FPGA1)
82-84,86-89,93
D/D CONVERTER
109-116
(76MHz ---> 76MHz)
94-101
CLOCK(76MHz)
80
108 V-SYNC
102 H-SYNC
CLOCK(76MHz)
185
14,37,67,76,90, 13,26,38,53,66,78,
119,128,142, 91,105,118,130,143,
172,186,195 156,171,184,196, 208
VCC
VCC
11 15 16 17 123 122 120 150-152,160-164 138-141,145-148 125-127,129,133-136
IC5305
+1.8V
3 1
REG.
IC5302 (SCALER)
147-154
157-164
166-173
175 A/D H-SYNC
178 A/D CLOCK
V-SYNC
176
R DATA (8BIT)
56-58,61-64,68
MULTI WINDOW
G DATA (8BIT)
PICTURE IN PICTURE OSD
41-43,46-49,55
SPLIT SCREEN MIX
B DATA (8BIT)
SEARCH
29-31,33-36,40
V-SYNC 204
H-SYNC 205
182 192-194,198-202 178-181,187-189,191 166-169,173-176 203 6 7 8 9 10
+3.3V
110-112,115-119 122-124,127-131 134,135,138-143 106 81 92 102 101
720P
1,10,24,36,46,54,68,76,
CONVERTER
78,93,100,105,114,126,
137,145,180,201
VCC +3.3V
IC5304
17,42,61,83,86,108,
156,174,207
VCC 1
3-8,11-15,18-22,25-30,
32-35,37,39-41,43,44
MAIN VIDEO SIGNAL
IC5604 (FPGA2)
100-104,112-114 OSD R MIX
D/D
CONVERTER
115-118,121-124 OSD G MIX
(76MH
Z
76MH )
Z
125,126,131-134,137,138 OSD B MIX
V-SYNC
97 V-SYNC
H-SYNC
98 H-SYNC
76MHz CLOCK
129
139 141 142 3 4-8,10-12 13-15,18,20-23 24,26-32
141
19,46,51,61,
88,120,130,135
OSD BLANKING
OSD DATA 0 FROM
SYSTEM CONTROL
OSD DATA 1
BLOCK DIAGRAM
OSD DATA 2
OSD DATA 3
+2.5V
8 +3.3V
REG.
IC5303 (64M MEMORY)
64M
MEMORY
1,3,9,15,29,35,41,
43,49,55,75,81
VCC +3.3V
SUB VIDEO SIGNAL VIDEO SIGNAL(MAIN/SUB) CARD Y/PB/PR SIGNAL
IC5311 (LVDS TRANSMITTER)
63-69,75 2-4,6,7,54-56
48-50,56-60 8,10-12,14-16,18
38-44,47 19,20,22-25,27,28
V-SYNC 77 51
H-SYNC 76 52
76MHz CLOCK
52
31
17,36,53,72,98,
106,128,144
VCC VCC
+3.3V
+1.8V
IC5310 (OR GATE)
11
REFERENCE VOLTAGE GENERATE CIRCUIT FOR A/D CONVERTER
+5V +5V
V-REF(H):2.7V
IC5605 (OP AMP)
6
7 2 V-REF(L):2.3V
5 3
1
Q5607
Q5602
Q5601
+5V VCC
8
IC5601 (A/D CONVERTER)
2-9
14
13
+5V 19 VCC
+3.3V 20 VCC
IC5602 (A/D CONVERTER)
2-9
14
13
+5V 19 VCC
+3.3V 20 VCC
IC5603 (A/D CONVERTER)
2-9
14
13
+5V 19 VCC
+3.3V VCC
20
IC5607 (INVERTER)
12
6
11
9
+3.3V 14 VCC
47 P5302-14 LVDS DATA A(+)
LVDS DATA A(-)
48 P5302-15
45 P5302-11 LVDS DATA B(+)
TTL PARALLEL
P5302-12 LVDS DATA B(-)
46
TO LVDS SERIAL TO VIDEO III
LVDS DATA C(+)
41 P5302-8
CONVERTER SIGNAL PATH
42 P5302-9 LVDS DATA C(-)
BLOCK DIAGRAM
P5302-2 LVDS DATA D(+)
37
38 P5302-3 LVDS DATA D(-)
39 P5302-5 LVDS CLOCK(+)
LVDS CLOCK(-)
40 P5302-6
PLL
9,26,34,44
VCC
IC5312
+3.3V
4 5 +5V
REG.
VCC 14 +3.3V IC5309
X5301
76MHz
SPECTRUM
13 4 1
OSC
12 SPLITTER
VCC
5 2
+3.3V
TP5309
IC5606 (BUFFER)
4 2
VCC +5V
5
Q5612 Q5609 Q5604
A/D
17 B CLAMP B P5601-5 OSD-R
CONVERTER
10
Q5613 Q5610 Q5605
A/D
17 B CLAMP B P5601-7 OSD-G
CONVERTER
10
FROM/TO VIDEO I
SIGNAL PATH
BLOCK DIAGRAM
Q5614 Q5611 Q5606
A/D
17 B CLAMP B P5601-9 OSD-B
CONVERTER
10
13 2 1 P5601-1 OSD-YS
5 4 3 P5601-3 OSD-YM
10 P5601-11 OSD-H
P5601-13 OSD-V
8
VIDEO SIGNAL PATH II BLOCK DIAGRAM (2/2)
PT-43LCX64/PT-50LCX64/PT-60LCX64