Sharp HT-CN300 Service Manual page 20

HT-CN300
A
[1,2,3] UNSW5V 2
[1,2,3] DGND 6
[1,3] 3.3V 5
B
CNS10
FROM
SENSOR PWB
CNP702
P30 1 - H
C
FW6 CNP701
1
CCB_CE2
DATA
D_GND
CLK
UN_SW_5V
CCB_CE0
SW_5V
CCB_CE1
VF1
FLD_CS
-VP
FLD_SCK
VF2
FLD_RESET
L_MUTE
D
FLD_SDATA
DSP_STAND-BY
DSP_RX_IN
AAC_LED
DSP_RESET
DPL_LED
REMCON
VIR_LED
REM_ACK_LED
DTS_LED
DSP_SMUTE_IN
STD LED
DSP_POWER_IN
D.D_LED
29
E CNP640
TO
DISPLAY PWB
P16 1 - G
F
FW7
CON703
10
AC_RLY
DGND
DVD_FUNC
V_REC_MUTE
CLK
V_SW1
DATA
V_SW2
V_MUTE
OSD_CS1
1
G
CNP670
TO
DISPLAY PWB
P16 1 - D
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 9.
1
DSP PWB-A1 (2/3)
L702
2.2µH
+B
+B
R983 1K
1 R984 1K
2
D706 D707
3
KDS160 KDS160
4
R985 1K
R986 1K
C911 C910
0.022 0.022
L704
2.2µH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
38
10
9
8
7
6
5
4
3
2
1
2
Figure 20 SCHEMATIC DIAGRAM (7/17)
Q703
2SD1898
+B
2
1
R926
3
220
C744
0.022
3
Z704
02CZ3.9X
1 2
D701
KDS160
30 [3]
VF2
31 VP [3]
32 VF1 [3]
2 UNSW5V [1,2,3]
+B
[1,3]
1 SW5V
6 DGND [1,2,3]
33 CCB_CE2 [3]
34 DATA
[3]
35
CLK [3]
36 CCB_CE0
[3]
37 CCB_CE1 [3]
L_MUTE [3]
FW11
3 4
– 20 –
+B
D_GND
+3.3V_SWD +B
+B
+3.3V_BACKUP
L714
2.2µ
R942
R944
R945
R946
R991
8.2K
+B
R993
10K
+B
+3.3V
BACK UP +3.3V
[1]
3 DG_CNG
FUNCDVD [1]
4
11 10
9 8 7 6 5 4 3 2 1
CNP704
1
11
CNP430
TO
VIDEO PWB
P42 1 - C
5
C908
47/16
C913
0.022
R940
10K
10K
81 P0
82 P0
10K
83 P0
10K 84 P0
85 P0
10K
86 P0
R992 87 P0
1.8K 88 PO
C991
89 AN
0.022
90 AN
91 AN
R947 1K
92 AN
C992 R948 1K
93 AN
0.022
94 AN
95 AN
96 AV
97 AN
R994 98 VR
C815
R952 10K 99 AV
0.1
10K 100 P9
R954 C916
10K 0.022
+B
+B
GND
+B
+B
6