Panasonic PT-43LCX64 Service Manual page 86

SD/PC CARD SIGNAL PROCESS BLOCK DIAGRAM
MAIN C.B.A.
CARD Y/PB/PR DATA (8BIT) : 480i
CARD Y/PB/PR DATA
(0-7)
TO VIDEO II
SIGNAL PATH
CARD V-SYNC
BLOCK DIAGRAM
CARD H-SYNC
IC9008
+3.5V
+6.5V 3
REG.
IC9002
+2.8V
+3.3V 2
REG.
4
Q9001
IC9001 (128M SDRAM)
SDRAM DATA (0-15)
128M SDRAM
TP9001
94.5MHz 38
1,3,9,14,27,43,49
VCC +3.3V
IC9003 (INVERTER)
TO VIDEO I
SIGNAL PATH 27MHz CLOCK 12 13
BLOCK DIAGRAM
X9001
1 11 10
27MHz
OSC
2 9 8
3 4 5 6
+3.3V 14 VCC
IC9004 (SD/PC CARD SIGNAL PROCESS)
160-162,165
SD CLOCK
169
106-110,
113-115
SD/PC CARD
CARD V-SYNC
118 SIGNAL PROCESS
119 CARD H-SYNC
122-128,131-137,
140,141
1,18,27,51,59,68,75,92,
99,104,111,130,148,157,
159,164,183,193,201
2 VCC
9,35,44,83,121,139,172
3 VCC
PC ADDRESS 0 154
PC ADDRESS 1
155
77-82,85-90,
93-96
102 94.5MHz
CARD RESET(L)
24
LCS1(L) 174
HCS3(L) 153
HRD 150
IO/MEM 158
116 27MHz CLOCK HWR 149
27MHz CLOCK
117
HCS1(L)
152
105 27MHz CLOCK
27MHz CLOCK
49
DATA(0-15)
178-182,185-191,
194-197
LCS2(L) 175
CARD SERIAL DATA 1
142
CARD SERIAL CLOCK 143
CARD CS(L)
166
CARD READY(L) 167
SD DATA(0-3)
PC DATA(0-15)
IC9205 (D-FLIP/FLOP)
3 F/F 2
4 F/F 5
7 F/F 6
8 F/F 9
13 F/F 12
14 F/F 15
17 F/F 16
18 F/F 19
11
+3.3V 20 VCC
IC9201 (D-FLIP/FLOP)
+3.3V VCC
16
11 F/F 10
13 F/F 12
14 F/F 15
IC9206 (OR GATE)
1
9
1
3
2
4
6
5
IC9202 (D-FLIP/FLOP)
+3.3V
10
8
1 9
2
F/F 5 VCC 14
3
4
10
11
F/F 9
12
13 VCC
14
+3.3V
IC9203 (2 TO 4LINE DECODER)
16
VCC
1 4
2 TO 4LINE
2
DECODER
3 5
13 11
2 TO 4LINE
14
DECODER
15 12
IC9007 (FLASH MEMORY)
DATA(0-7) PROGRAM FOR
FLASH
CARD PROCESSOR (IC9004) VCC +3.3V
MEMORY 37
12 RESET(L)
CARD RESET(L) <FROM IC6003(43)>
CARD Y/PB/PR SIGNAL
L9012
+3.3V
SD WRITE PROTECT(L)
SD CARD DETECT(L)
IC9207 (TRANSCEIVER)
2 18
3 17
4 16
5 15
6 14
7 13
8 12 PC CARD DETECT1(L)
9 11
PC CARD DETECT2(L)
1 DIRECTION
19 ENABLE
VCC
20
I/O WRITE CONTROL
IC9208 (TRANSCEIVER)
2 18
3 17
4 16
5 15
6 14
7 13
8 12
9 11
1 DIRECTION
19 ENABLE
VCC 20
+3.3V
IC9209 (BUFFER)
2 18
3 17
4 16
5 15
6 14
7 13
8 12
9 11
19 ENABLE VCC
20
IC9211 (BUFFER)
20
VCC
2 18
3 17
4 16
5 15
6 14
7 13
8 12
9 11
19 ENABLE
TP9202
IC9204 (+5V REG.)
+5V REG.
+6.5V 1 3
2
+3.3V
TP9201
PC CARD ON(H)
IC9212 (BUFFER)
1
2 4
IC9210 (BUFFER)
20
VCC
2 18
3 17
4 16
DATA(8-15)
5 15
6 14
7 13
8 12
9 11
ENABLE
19
CARD SERIAL DATA 0
CARD SERIAL DATA 1
TO/FROM
CARD SERIAL CLOCK SYSTEM CONTROL
CARD CS(L) BLOCK DIAGRAM
CARD READY(L)
SD/PC CARD SIGNAL PROCESS BLOCK DIAGRAM
P9002
VCC(+3.3V)
SD DATA(0-3)
SD CARD
SD CLOCK
P9201
PC DATA(0-15)
PC ADDRESS(0-9)
CHIP ENABLE2
CHIP ENABLE1
OUTPUT ENABLE
PC CARD
I/O READ CONTROL
WRITE ENABLE
VS1
VS2
REG
RESET(L)
+5V(PC CARD DETECTED)/0V(NO PC CARD)
PT-43LCX64/PT-50LCX64/PT-60LCX64