Sharp HT-DP3000 Service Manual page 14

HT-DP3000
A
DISPLAY PWB-C1
B
C
D
E
PRO_ENA
23 23
22
21
2
0
1 9
1 8
1 7
1 6
1 5
1 4
F
1 3
1 2
1 1
1 0
9
8
7
6
5
4
3
2
G
1 1
CNP1A
FC1
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 24.
1
1 2
VCR-1,STANDBY'( )
Q5
KRA102 M
5V(0V)
2
3
1
PRO_DI
PRO_CK
V_MUTE
TUN_DO
TUN_DI
TUN_CK
TUN_CE
TUN_MUTE
TUN_SD
TUN_ST
SP_LEVEL
H.P MUTE
V_LATCH
V_CK
V_DATA
F_MUTE
R_MUTE
C_MUTE
SW_MUTE
SPSWA
PROTECT
FUN_SW
C21
220P
2 3
Figure 14 SCHEMATIC DIAGRAM (5/7)
FL DISPLAY
11 14 15 16 18
3 4 5 6 7 8 9 1 0 12 13 17
–32.6V
75 74 73 7 2 7 1 70 69 68 67 66 65 64 6 3 6 2
–28.8V
76
–28.8V
77
–32.6V
78
–32.6V
P16
7 9
8 0
8 1
82
83
84
DAPD
85
ADPD
86 AC3_RES
87 AC3_SS
88 AC3_SI
SYSTEM MICROCOMPUTER
89 D_SEL
90 AC3_SCK
91 SW_ON
R51 1K
4.8V
PRO_ENA
92
R52 1K
0V
PRO_DI
93
98
R53 1K
4.8V
PRO_CK
94
99
V_SW1
95
100
V_SW2
96
R56 1K
4.8V
V_MUTE
97
98
99
-33V
100
1 2 3 4
5
R1 1K
R2 1K
R3 1K
R4 1K
R43 1K
R5 1K
R6 1K
R74
47K
C7
1/50
4
– 14 –
FL1
19 2 0 2 1 2 2 2 3 24 25 26 27 28 29 30 31 32
6 6 0 59 58 57 56 55 54 53 52 51 1
76 50
P13 SPSWB
77 49
P14 SPSWA
78 48
P15 SW_RLAY
IC1
IX0001SJ
DEM0 28 FS_DATA
FS_STB
DEM1 27
RESET
VPP 26
10 11 12 13 14 15 16 17 18 19 20
6 7 8 9
C1
0.022
L1
100µH
KEY2
KEY1
R58
10K
C8
C9
1/50
1/50
5
33 34 35 36 37 38
TIMER ON'(
Q
KRC1
0.8V(–2.1V)
3
0V
PROT
0
H
50
49
48
C_RLAY 47
R_RLAY
46
45
POW_SW
44
FA_RLAY 43
SW_MUTE 42
41
C_MUTE
R_MUTE 40
39
F_MUTE
JOG_DOWN 38
JOG_UP 37
REMOCON 36
AC3_SO 35
SYS_STOP
34
POWER 33
32
V_DATA
V_CK 3 1
V_LATCH 30
FS_CK
29
28
27
26
21 22 23 24 25
0V
R14
1K
C2
0.022
R65
R66
10K
10K
6