Panasonic PT-56LCX66, Service Manual, Page: 55 / 83

PT-52LCX66/PT-56LCX66/PT-61LCX66/PT-52LCX16/PT-56LCX16
VIDEO SIGNAL PATH I BLOCK DIAGRAM (2/2)
27MHz
OSC
VCC
SPECTRUM
SPLITTER
VCC
X5000
CN5700-14
R DATA (8BIT)
RGB DATA (24BIT)
DATA BUS(32BIT)
<FOR IP COVERTER, MULTI WINDOW,
3D Y/C SEPARATION, ETC>
DTV Y DATA (8BIT)
DTV UV DATA (8BIT)
HDMI Y DATA (10BIT)
TP5008
HDMI UV DATA (10BIT)
G DATA (8BIT)
B DATA (8BIT)
R DATA (8BIT)
G DATA (8BIT)
B DATA (8BIT)
V-SYNC
OSD V-SYNC
OSD-YM
OSD-YS
OSD-CLOCK
OSD-R DATA (0-4)
FROM/TO
SYSTEM CONTROL
BLOCK DIAGRAM
OSD-G DATA (0-5)
OSD-B DATA (0-4)
H-SYNC
OSD H-SYNC
OSD-YM
OSD-YS
OSD-CLOCK
IC5700 (LVDS TRANSMITTER)
IC5002 (64M SDRAM)
47
CN5700-15 48
CN5700-11 45
CN5700-12
46
CN5700-8 41
CN5700-9 42
CN5700-2 37
CN5700-3 38
CN5700-5 39
CN5700-6
40
A3,A4,B3,B4,C4
A5,A6,B5,B6,C5,C6
A7,B7,B8,C7,C8
2-4,6,7,54-56
8,10-12,14-16,18
19,20,22-25,27,28
L23,L24,M24-M26,
N25,N26,P26
AC12,AC17,AD8-AD13,AD16-AD18,AD21,AE8,AE10,
AE11,AE15,AE17,AE18,AE20,AF8-AF13,AF15-AF21
H23-H25,J25,J26,
K24-K26
E24,E25,F24-F26,
G24,G25
IC5001 (DIGITAL VIDEO SIGNAL PROCESS)
IC5011 (CLOCK GENERATOR)
G2,G3,H1,H2,J1-J3,K1-K4,
L1-L3,M1-M4,N3,N4,P1-P4
V1,V2,W1-W4,
Y1-Y4
R1,R2,T1,T2,
U1-U4,V3,V4
A15-A17,B15,
B16,C14-C16
A18,A19,B17-B19,
C17-C19
<CLOCK(129MHz)>
LVDS DATA A(+)
TO VIDEO II
SIGNAL PATH
BLOCK DIAGRAM
(CN2502)
LVDS DATA A(-)
LVDS DATA B(+)
LVDS DATA B(-)
LVDS DATA C(+)
LVDS DATA C(-)
LVDS DATA D(+)
LVDS DATA D(-)
LVDS CLOCK(+)
LVDS CLOCK(-)
64M
MEMORY
31
51
52
IP CONVERTER
PICTURE CONTROL
MULTI WINDOW
PICTURE IN PICTURE
SPLIT SCREEN
SEARCH
SCALER(720p CONVERTER)
OSD MIX
TTL PARALLEL
TO LVDS SERIAL
CONVERTER
PLL
VCC
9,26,34,44
+3.3V
D7,D8,E4,ETC
VCC
H-SYNC
V-SYNC
CLOCK(75.26MHz)
VIDEO SIGNAL
GC4PRO
D25
D26
E26
R3
AA2
B23
H-SYNC
V-SYNC
HDMI CLOCK
+2.6V
+3.3V
+3.3V
+3.3V
+3.3V
+2.5V
VCC
D3
IC5004
IC5010
+1.2V
REG.
2 1
+2.5V
+1.2V
REG.
5 1
VDDI
AA3 IC5003
+2.6V
REG.
2 4
+5V
IC5701
+3.3V
REG.
5 4
V-SYNC
FOR MAIN SIGNAL
MAIN SIGNAL PATH
HDMI SIGNAL PATH
DIGITAL TUNER/SD CARD/OSD SIGNAL PATH
H-SYNC
CLOCK
B20
C20
A20
H-SYNC
V-SYNC
CLOCK
B14
A13
OSD H-SYNC
OSD V-SYNC
D7 HDMI WRITE PROTECT
N1
N2
G1
CLOCK(95MHz)
A24
CLOCK(74,25MHz) E1
CLOCK H3
FOR HDMI SIGNAL
FOR DTV/SD CARD/OSD SIGNAL
AVD
L5007 B12,C11
AVD
L5004
R5090
A10,A12,ETC
VCC
L5005
AC8,AC9,ETC
+1.2V VDD
L5006 D13,D14,ETC
27MHz
74.25MHz
FREQUENCY MODE
(480i)/
480p
720p/
1080i
OSD H-SYNC OSD H-SYNC A8
A9
B9
A14
OSD-CLOCK OSD-CLOCK C9
IC5012
2
14
4
5
12
13
VCO
PLL
PLL
PLL
PLL
CLOCK(108MHz) AA1
1
8
7
6
1 4
2 5
VIDEO SIGNAL PATH I BLOCK DIAGRAM (2/2)
PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16
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