5-3
5-3
CIRCUIT DIAGRAM : KARAOKE PCB
MI C_CLK
MI C_CE
MI C_DATA
MIC_CL
K
MIC_CE
MIC_DAT
A
GND
MI C_CE
MI C_CLK
MI C_DATA
+12V
-12V
MI C_OUT
AGND
1
JK3001
C3001
104
C3003 open
C3002 open
MI C_CHK
MI C_OUT
+12V
-12V
GND
GND
RB3001
RB6/20
1
2
3
4
5
6
K
AGND
MI C_CH
ECHO_OFF
MI C_CE
MI C_CLK
MI C_DATA
GND
RB3002
open
1
2
3
4
5
R3068 33 R3069 0
1
ECHO_OFF
TO MAIN SCH
+12V
R3003
OPEN
R3002
R3004
330
5V
47K
7
4
5
8
9
2
3
1
6
JK_MIC_39
1
2
5
6
7
C3004
100P
L3001
C3005
100P
C3006
100P
10UH
R3001 10K
4.7U
0
C3011
C3010 100P
R3009
91K
3
2
1
4
IC3002A
JRC4558
C3009
4.7U
13
2
VR3001
50K
C3031
4.7U
C3029 100P
R3025
47K
7
5
6
B+
8
IC3002B
JRC4558
C3030
10U/50V
R3045
3K3
+12V
C3044
1U/50V
C3045
R3047
10K
Q3004
2SC945
3046
470K
R
R3048
43K
MIC_CHECK_CH
K
MIC_CH
K
R3050
68K
D3003
1N4148
C3047
100U/16V
R3054
100K
C3046
1U
1U/50V
R3053
47K
R3064
0
Q3005
OPEN
R3056
1K
R3055
1K
R3063
OPEN
Q3006
OPEN
R3057
O
P
E
N
C3048
O
P
E
N
R3031
O
P
E
N
R3029
O
P
E
N
R3049
O
P
E
N
R3051
O
P
E
N
R3052
OPEN
Q3002
OPEN
ECHO_OFF
R12V
C3032
100U/16V
R3028
100K
C3033
104
M+12V
R3027
5K
6
R3010100
-12V
C3012
100U/16V
R3012
2K
2
R3013
100k
C3013
104
M-12V
R3011
0
R2556
MI C_SW
XL3001
2.0MHZ
C3008100P
C3007100P
R3005
1M
R3060
33
R3061
33
R3062
33
1
2
3
4
5
7
8
9
10
11
12
6
VDD
OSC1
OSC0
DL1/REQ
DL2/CLK
DL3/DIN
DL4/DIN
TESET
EASY/MCU
SLEEP
DGND
AGND
LPF2OUT
LPF2IN
DP2OUT
OP2IN
CC2
CC1
REF
OPIN
OPQOUT
LFPOUT
LFPIN
VCC
C3020
C3019
IC3001
104
ZD3001
5V1
220U/10V
3017
C
C3018
562
C3016
10U/50V
R3017
10K
Q3001
2SC945
R3015 10K
R3016
100K
Q3007
2SC945
3070
470
R
C3015
47U/50V
D3001
R3014
OPEN
Q3003
1N4148
D3002
1N
4148
C3014
10U/50V
R3032
4K
2SC945
R3033
100K
R3034
100K
7
R3035
1K
C3034
10U/50V
R3030
1K
+12V
R3036
O
P
E
N
R3006
OPEN
0
3007
OPEN
5V
R
R3008
MI C_SW
MI C_SW
AGND
AGND
GND
GND
C3028
560P
R3020 15K
R302110K
PT2396
560P
R3019 15K
R3018
10K
C3021 104
C3024 104
C3027 104
C3026 104
13
14
15
16
17
18
19
20
21
23
24
22
C
47U/16V
3022
R3022
15K
R3024
22K
C3023
105
R3038
10K
C3036
102
R3023
100K
C3025
10U/50V
C3040
10U/16V
C3052
33P
C3053
33P
C3054
open
C3055
open
C3056
open
MIC_CH
K
+12V
R3039 100
-12V
C3037
100U/16V
R3040
100
C3038
1
04
IC3003A
JRC4558
C3035 100P
R3037
68K
C3051
22U/16V
R3059
3K3
MI C_OUT
R3065
0
R3066
0
R3067
0
R3072
820
ECHO_IN
ECHO_OUT
MI C+ECHO_OUT
R3058
OPEN
C3049
4.7U
C3050
OPEN
R3043 100
+12V
C3042
100U/16V
C3043C
3
0
4
3
1041
0
4
+
3
-
2
1
B-
4
7
+
5
-
6
B+
8
IC3003B
JRC4558
+
-
+
-
A
B
C
D
4
3
2
1
D
C
B
A
4
3
2
1
R3041
OPEN
R3071
C2
C3036
B3
C3046
D4
IC3002
D2
Q3007
C2
R3015
C2
R3032
C3
R3043
A3
R3055
C4
R3071
D1
C2
C3037
B3
C3047
C4
IC3003
B3
R2556
D2
R3016
C2
R3033
C3
R3045
D4
R3056
C4
R3072
B4
D3
C3038
B3
C3049
C4
JK3001
D1
R3001
D1
R3023
A2
R3034
C3
R3046
D4
R3059
B4
D3
C3040
B3
C3051
B4
L3001
D1
R3009
D2
R3025
D3
R3035
C3
R3047
D4
R3064
C4
D3
C3042
A3
C3056
A3
PT2396
A1
R3010
D2
R3026
D3
R3037
B3
R3048
D4
R3065
A4
C3
C3043
A3
D3001
C2
Q3001
C2
R3011
C2
R3027
C3
R3038
B3
R3050
D4
R3066
A4
C3
C3044
D4
D3002
C2
Q3003
C3
R3012
C2
R3028
C3
R3039
B3
R3053
C4
R3067
A4
B3
C3045
D4
D3003
D4
Q3004
D4
R3013
C2
R3030
C3
R3040
B3
R3054
C4
R3070
C2
Summary of Contents for FWD182
Page 14: ...2 1 2 1 ...
Page 15: ...2 2 2 2 ...
Page 20: ...4 2 4 2 WIRING DIRGRAM Control PCB LVC105880 0001 ...
Page 48: ...9 2 Explorer View DVD Loader ...