Panasonic PT52LCX66 - MULTI MEDIA DISPLAY Service Manual page 55

VIDEO SIGNAL PATH I BLOCK DIAGRAM (2/2)
IC5011 (CLOCK GENERATOR)
+3.3V 2 VCC
14 VCC PLL
X5000
27MHz 4 PLL
VCO
OSC 5
+3.3V 12
13
PLL
PLL
IC5001 (DIGITAL VIDEO SIGNAL PROCESS)
MAIN SIGNAL PATH
RGB DATA (24BIT)
G2,G3,H1,H2,J1-J3,K1-K4,
L1-L3,M1-M4,N3,N4,P1-P4
N1 V-SYNC
N2 H-SYNC
FOR MAIN SIGNAL
G1 CLOCK
H3 CLOCK
1 A24 CLOCK(95MHz)
8 AA1 CLOCK(108MHz)
IC5012
SPECTRUM
7 1 4 E1 CLOCK(74,25MHz)
SPLITTER
6 2 5
+3.3V
TP5008
HDMI SIGNAL PATH
HDMI Y DATA (10BIT)
V1,V2,W1-W4,
Y1-Y4
HDMI UV DATA (10BIT)
R1,R2,T1,T2,
U1-U4,V3,V4
B23 V-SYNC
FOR HDMI SIGNAL
AA2 H-SYNC
R3 HDMI CLOCK
D7 HDMI WRITE PROTECT
MODE FREQUENCY
(480i)/
27MHz
480p
720p/
74.25MHz
1080i
DIGITAL TUNER/SD CARD/OSD SIGNAL PATH
DTV Y DATA (8BIT)
A15-A17,B15,
B16,C14-C16
DTV UV DATA (8BIT)
A18,A19,B17-B19,
C17-C19
A20 V-SYNC
B20 H-SYNC
C20 CLOCK FOR DTV/SD CARD/OSD SIGNAL
A13 OSD V-SYNC
B14 OSD H-SYNC
D13,D14,ETC
L5006
+1.2V VDD
AC8,AC9,ETC
L5005
+2.6V VCC
B12,C11
L5007
+3.3V AVD
A10,A12,ETC
L5004
AVD
IC5004
AA3
R5090
+1.2V
+2.5V 1 2 VDDI
REG.
IC5010
D3
+1.2V
+2.5V 1 5 VCC
REG.
R DATA (8BIT) R DATA (8BIT)
L23,L24,M24-M26,
IP CONVERTER
N25,N26,P26
PICTURE CONTROL G DATA (8BIT) G DATA (8BIT)
H23-H25,J25,J26,
MULTI WINDOW K24-K26
B DATA (8BIT) B DATA (8BIT)
PICTURE IN PICTURE E24,E25,F24-F26,
G24,G25
SPLIT SCREEN
SEARCH H-SYNC
H-SYNC D25
SCALER(720p CONVERTER)
V-SYNC
V-SYNC D26
OSD MIX
CLOCK(75.26MHz) E26
OSD-CLOCK C9
OSD H-SYNC A8
OSD-YM A9
OSD-YS B9
OSD-CLOCK A14
A3,A4,B3,B4,C4
A5,A6,B5,B6,C5,C6
A7,B7,B8,C7,C8
IC5002 (64M SDRAM)
<FOR IP COVERTER, MULTI WINDOW,
<CLOCK(129MHz)>
3D Y/C SEPARATION, ETC>
DATA BUS(32BIT)
AC12,AC17,AD8-AD13,AD16-AD18,AD21,AE8,AE10, 64M
AE11,AE15,AE17,AE18,AE20,AF8-AF13,AF15-AF21 MEMORY
GC4PRO
55
PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16
VIDEO SIGNAL
IC5700 (LVDS TRANSMITTER)
LVDS DATA A(+)
2-4,6,7,54-56 47 CN5700-14
CN5700-15 LVDS DATA A(-)
48
CN5700-11 LVDS DATA B(+)
8,10-12,14-16,18 45
TTL PARALLEL
CN5700-12 LVDS DATA B(-)
46
TO LVDS SERIAL
CN5700-8 LVDS DATA C(+)
19,20,22-25,27,28 CONVERTER 41
CN5700-9 LVDS DATA C(-)
42
CN5700-2 LVDS DATA D(+)
37
52
38 CN5700-3 LVDS DATA D(-)
39 CN5700-5 LVDS CLOCK(+)
51
40 CN5700-6 LVDS CLOCK(-)
PLL
31
9,26,34,44
VCC
IC5701
+3.3V
4 5 +5V
REG.
OSD-CLOCK
OSD H-SYNC
OSD H-SYNC
OSD V-SYNC
OSD-YM
FROM/TO
OSD-YS SYSTEM CONTROL
OSD-CLOCK BLOCK DIAGRAM
OSD-R DATA (0-4)
OSD-G DATA (0-5)
OSD-B DATA (0-4)
IC5003
D7,D8,E4,ETC
+2.6V
VCC 4 2 +3.3V
REG.
VIDEO SIGNAL PATH I BLOCK DIAGRAM (2/2)
PT-52LCX66/PT-56LCX66/PT-61LCX66/PT-52LCX16/PT-56LCX16
TO VIDEO II
SIGNAL PATH
BLOCK DIAGRAM
(CN2502)