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PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7
VIDEO SIGNAL PATH I BLOCK DIAGRAM
REAR JACK P.C.B.
MAIN P.C.B.
JK3503
VIDEO OUT
CN3501-18
CN3001-18
g
JK3504
COMPONENT
CN3501-10
CN3001-10
-Y1
d
COMPONENT
CN3501-11
CN3001-11
-PB1
e
COMPONENT
CN3501-12
CN3001-12
-PR1
f
JK3506
COMPONENT
CN3501-14
CN3001-14
-Y2
d
COMPONENT
CN3501-15
CN3001-15
-PB2
e
COMPONENT
CN3501-16
CN3001-16
-PR2
f
JK3501
b
Y
CN3501-3
CN3001-3
S-VIDEO IN1
C
CN3501-4
CN3001-4
c
VIDEO IN1
CN3501-1
CN3001-1
a
JK3502
VIDEO IN2
CN3501-6
CN3001-6
a
FRONT JACK
/OPERATION P.C.B.
JK6701
VIDEO IN3
CN6701-1
CN3502-1
CN3501-8
CN3001-8
a
CN3002
R
G
B
PC IN
H-SYNC
V-SYNC
TUNER P.C.B.
TU8970
(TUNER UNIT)
Q8804 B
ANAROG
16
CN8970-12
CN8801-12
VIDEO
IF1
18
CN8970-16
CN8801-16
DIGITAL
IF2
19
CN8970-18
CN8801-18
IF AGC
20
CN8970-20
CN8801-20
I2C SERIAL
12
CN8970-6
CN8801-6
DATA
I2C SERIAL
13
CN8970-8
CN8801-8
CLOCK
AGC
7
CN8970-2
CN8801-2
MONITOR
SD/HDMI P.C.B.
CN9801
SD CARD DETECT (L)
CN9802-7
CN8201-7
SD WRITE PROTECT (L)
CN9802-12
CN8201-12
SD CLOCK
SD CARD
CN9802-3
CN8201-3
SD DATA (0-3)
CN9802-(8-11)
CN8201-(8-11)
a
b
V1 +1.00 Vp-p
0.5 V
20 µs
j
k
V1 +3.30 Vp-p
1V
10ms
IC3001 (VIDEO SW)
71
33
(S-VIDEO IN)
b
73
(VIDEO IN)
a
(S-VIDEO IN)
c
(CPN IN)
d
(CPN IN)
e
(CPN IN)
f
75
TP3014
TP3015
TP3016
MAIN Y/V
40
MAIN Y/V
MAIN PB/C
77
39
MAIN PB/C
MAIN PR
MAIN PR
38
79
PC H-SYNC
81
PC V-SYNC
3
5
1
95
IC3002
(INVERTER)
14
87
20
3
5
1
7
VCC
8
MAIN+3.3V
DTV+9V
6,25,ETC
61
VCC
57
59
IC8802 (DEMODU LATOR)
32
FILTER
DEMODULATOR
34
49
DIGITAL RF AGC
Q8803 (LEVEL SHIFTER)
3.3V --> 5V
43
I2C SERIAL DATA
3.3V --> 5V
44
I2C SERIAL CLOCK
Q8805
5V --> 3.3V
141
AGC MONITOR
X88001
25MHz
25MHz
24
OSC
25MHz
25
SD DATA(0-3)
c
d
e
f
V1 +1.00 Vp-p
V1 +0.80 Vp-p
V1 +1.00 Vp-p
V1 +0.70 Vp-p
V1 +0.70 Vp-p
0.2 V
20 µs
0.2 V
20 µs
0.2 V
20 µs
0.2 V
20 µs
0.2 V
20 µs
l
m
n
o
V1 +1.80 Vp-p
V1 +3.30 Vp-p
V1 +3.30 Vp-p
V1 +3.30 Vp-p
V1 +3.30 Vp-p
1V
10ns
1V
5ms
1V
5ms
1V
5ms
1V
10µs
IC8001 (PEAKS)
h
R5635,37-40,42,49-51
YUV DATA (24BIT)
A2-A7,A9,B1,
B3-B10,C1,C2,
TO VIDEO II
C4-C8,C10
SIGANL PATH
FROM VIDEO II
i
BLOCK DIAGRAM
SIGNAL PATH
R5646
BLOCK DIAGRAM
H-SYNC
D1
H-SYNC
j
R5645
V-SYNC
D2
V-SYNC
k
R5636
CLOCK
C9
CLOCK
MODE
FREQUENCY
480p
27MHz
720p
74.25MHz
/1080i
1080p
148.5MHz
D12
TP8818 TP8817 TP8820 TP8819
TS DATA
DATA
DATA
95
AF11
CLOCK
CLOCK
MPEG
98
AF12
VAL
VAL
DECODER
94
AE11
PAK SYNC
PAK SYNC
93
AD11
ERROR
77
SYNC
76
D8801
D8802
SYNC
ERROR
10, 21,ETC
VCC
SUB+1.2V
7,13,ETC
VCC
SUB+3.3V
AD13
SD CARD DETECT (L)
AE12
SD WRITE PROTECT (L)
AF13
SD CLOCK
JPEG
AA13,AB12,
AB13,AE13
DECODER
g
h
i
V1 +1.00 Vp-p
V1 +3.30 Vp-p
V1 +3.30 Vp-p
1V
25ms
1V
5µs
0.5 V
20 µs
p
q
r
V1 +3.30 Vp-p
V1 +2.20 Vp-p
V1 +3.30 Vp-p
1V
5ms
1V
10ns
1V
25ns
56
VIDEO SIGNAL
AUDIO SIGNAL
l
A17,A18,B17,
R7369
R DATA (8BIT)
B18,C17,E17,
E18,F17
m
VIDEO INTERFACE
A19,A20,B19,
R7368
G DATA (8BIT)
B20,C18,C19,
E19,F18
TO VIDEO III
VIDEODECODER
SIGANL PATH
n
BLOCK DIAGRAM
SCALING
D/A CONVERTER
R7367
A21,A22,B21,
B DATA (8BIT)
B22C20,C21,
D20,F19
o
R7372
H-SYNC
C22
H-SYNC
MODE
FREQUENCY
p
R7371
V-SYNC
E20
V-SYNC
1080p
135MHz
q
R7370
CLOCK
CLOCK
A23
1080i
74.25MHz
OTHER
81MHz
A13
DTV SERIAL DATA
DTV LRCK
TO AUDIO
F14
DTV LRCK
AUDIO INTERFACE
DTV BCK
BLOCK DIAGRAM
DTV BCK
B13
A10
DTV SPDIF
IC8004 (CLOCK GENERATOR)
r
VCO CONTROL
J22
4
X8001
9
1
VCO
27MHz
16
PLL
7
74MHz CLOCK
H25
27MHz CLOCK
K21
27MHz CLOCK
AD24
IC8202 (512M SDRAM)
J23,J24,J26,K22,K24,K25,
L21,L23,N21,N23,N25,N26,
A1,E1,ETC
P21,P22,P24,P26,AA16,
DATA (0-31)
DATA (0-15)
512M
DATA (0-31)
AA17,AA19,AA20,AB16,
VCC
SDRAM
AB20,AC17,AC19,AD16,
AD20,AD21,AE17,AE20,
AF16,AF17,AF22
IC8203 (512M SDRAM)
A1,E1,ETC
DATA (16-31)
512M
VCC
SDRAM
IC8404 (128M NOR FLASH)
DATA (0-15)
L8401
U5,V1-V3,V5,V6,
PEAKS
DATA (0-15)
W1-W5,Y1-Y3,
VCC
43
SUB+3.3V
SOFTWARE
AA1,AA2
K23,K25,ETC
L8003
VDDI0
SUB+1.8V
AA8,AA9,ETC
L8001
VDD33
SUB+3.3V
C12,E14
L8006
DACVDD
F1,E22,E23
L8008
LV VDD
H21,P3,P16
L8009
AVDD
N10,P10,ETC
L8002
VDD12
SUB+1.2V
N17,R17,ETC
L8004
VDDR
L8010
LVVDD12
K17
VIDEO SIGNAL PATH I BLOCK DIAGRAM
PT-56LCX70/PT-61LCX70/PT-50LCX7/PT-56LCX7
/PT-61LCX7/PT-50LCX7K/PT-56LCX70-K/PT-61LCX70-K
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