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Q Q
6-2. BLOCK DIAGRAM — MAIN SECTION —
3 7 6 3 1 5 1 5 0
Y
V
C
Y/G
HDMI
C
SECTION
CB/B
(Page 30)
CR/R
I/P SW
WIDE
RGB_SEL
T E
L
1 3 9 4 2 2 9 6 5 1 3
?/1
A
IC731
REMOTE CONTROL
RECEIVER
SYS-BUSY
RESET
SYS_TXD
IC311
BUFFER
SYSTEM CONTROL
SYS_WAKEUP
COARD
TO
(
(
SA-WSLF1H
SYS_CLK
SYS_RXD
CABLE DETECT
E+3.3V
EVER+4V
DMB+3.3V
w w w
HCD-LF1H
IC601
VIDEO AMP
CR/B
16
4
6
Y in
Cr out
CB/R
4 CVBS in
Cb out
18
2
SYSTEM CONTROL
CY/G
COARD
2
C in
CY out
20
TO
(
SA-WSLF1H
Y/G
10 CY in
Y out
21
AEP,UK, RU
C/CUBS
12 Cb in
CVBS out
23
14 Cr in
C out
26
IC301 (2/2)
9 I/P
S-DCOUT
27
SYSTEM CONTROLLER
AEP,UK, RU
EXCEPT AEP,UK, RU
Q601
MUTE 2
13
40 VIDEO_MUTE
11 CLP
MUTE 1
3
19 I/P SW
20 WIDE
18 RGB_SEL
KEY_4
49 VOL_UP_KEY
KEY_3
50
D
VOL_DOWN_KEY
KEY_2
51 FUNCTION-KEY
TOUCH
KEY_2
SECTION
52
STOP-KEY
(Page 31)
KEY_0
53
PLAY-KEY
15 XIN
X301
6MHz
13 XOUT
S700
74
POWER-KEY
S701
48
EJECT-KEY
4
SIRCS_IN
34 SYS_BUSY
12 RESET
36
SYS_TXD
2
6
38
SYS_WAKEUP
5
3
37
SYS_CLK
7
1
35
SYS_RXD
RF
STB
E
SECTION
(Page 28)
x
a o
y
.
i
http://www.xiaoyu163.com
T951
DC/DC CONVERTER
(
RECT
D951 - D954
FLG901
(FLUORESCENT INDICATOR TUBE)
24 VH (35V)
VF1
VF2
FL-DOUT
1
19 SDI
FL-CLK
2
20 CLK
FL-LAT
7
21 LAT
Q305
FL-BK
22
22 BK
SWITCH
DAC+5V
+6V
4.5V
Q303,304
Q
Q
LED_DIM
26
LED DRIVER
3
7
6
D721
Q721
DOLBY_LED
80
LED DRIVER
DIGITAL
D722
Q722
DST_LED
79
LED DRIVER
DTS
D723
Q723
PL_LED
78
LED DRIVER
PL
D724
Q724
DCS_LED
77
LED DRIVER
D.C.S
D725
76
STBY_LED
Q301
D701
DISC_LED
24
LED DRIVER
(DISC EJECT LED)
D785,D786
Q302
BACKLIGHT_LED
28
(BACK LIGHT LED)
LED DRIVER
+1.8V
u 1 6 3
.
29
29
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2
4
8
9
9
IC511
AMP
6
7
ROUT1-
5
ROUT1+
6V
3
1
LOUT1+
2
LOUT1-
8
VCC
Q951
IC531
OSC
AMP
6
7
ROUT2-
5
ROUT2+
A
3
1
LOUT2+
2
RF
LOUT2-
SECTION
8
VCC
(Page 28)
IC551
AMP
6
ROUT3-
7
5
ROUT3+
3
1
LOUT3+
2
LOUT3-
A+9V
8
VCC
IC106
IC105
+5V REG
+6V REG
M+5V
IC571
+4.5V REG
3
1
5
1
5
0
8
9
2
DMB+6V
V+5V
IC603
IC109
+1.8V
D+5V
+1.8V REG
+5V REG
IC502
A+5V
+5V REG
IC707
+5V
+5V REG
IC105
+3.3V
+3.3V REG
IC901
+3.3V
DMB+3.3V
+3.3V REG
IC110
+1.8V
IC107
+1.8V REG
+3.3V
+3.3V REG
+3.3V
IC702
IC703
+1.8V REG
+3.3V REG
IC202
RF+3.3V
+3.3V REG
m
c o
HCD-LF1H
Ver. 1.1
2
8
9
9
FR
FL
SR
SYSTEM CONTROL
COARD
TO
(
(
SA-WSLF1H
SL
SW
C
A+12V
IC101
M+15V
+5V REG
SYSTEM CONTROL
IC104
4
9
8
2
9
9
COARD
+5V REG
TO
(
(
SA-WSLF1H
4
VREF
IN
1
D+12V
GND
3
+5V
IC102
+6V REG
4
VREF
IN
1
2
+6V
IC103
+3.3V REG
4
VREF
IN
1
+3.3V
2
• SIGNAL PATH
: VIDEO
: COMPONENT VIDEO
: Y
: R.G.B
: CHROMA
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