Philips FWD182 - Circuit Diagram: Karaoke Pcb

5-3
5-3
CIRCUIT DIAGRAM : KARAOKE PCB
MIC_CLK
MIC_CE
MIC_DATA
MIC_CLK
MIC_CE
MIC_DAT
A
GND
MI C_CE
MI C_CLK
MIC_DATA
+12V
-12V
MIC_OUT
AGND
1
JK3001
C3001 104
C3003 open
C3002 open
MIC_CHK
MI C_OUT
+12V
-12V
GND
GND
RB3001
RB6/20
1
2
3
4
5
6
K
AGND
MIC_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_CHK
MIC_CHK
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 OPEN
C3048 OPEN
R3031 OPEN
R3029 OPEN
R3049 OPEN
R3051 OPEN
R3052
OPEN
Q3002
OPEN
ECHO_OFF
R3026
100
+12V
C3032
100U/16V
R3028
100K
C3033 104
M+12V
R3027
5K6
R3010
100
-12V
C3012
100U/16V
R3012
2K2
R3013
100k
C3013 104
M-12V
R3011
0
R2556
MIC_SW
XL3001
2.0MHZ
C3008
100P
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
3017C
C3018
562
C3016
10U/50V
R3 0 1 7
10K
Q3001
2SC945
R3015
10K
R3016
100K
Q3007
2SC945
3070
470
R
C3015
47U/50V
D3001
R3014 OPEN
Q3003
1N4148
D3002
1N4148
C3014
10U/50V
R3032
4K
2SC945
R3033
100K
R3034
100K
7
R3035
1K
C3034
10U/50V
R3030
1K
+12V
R3036 OPEN
R3006
OPEN
0
3007
OPEN
5V
R
R3008
MIC_SW
MIC_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_CHK
+12V
R3039
100
-12V
C3037
100U/16V
R3040
100
C3038 104
IC3003A
JR C4 55 8
C3035 100P
R3037
68K
C3051
22U/16V
R3059
3K3
MIC_OUT
R3065
0
R3066
0
R3067
0
R3072
820
ECHO_IN
ECHO_OUT
MIC+ECHO_OUT
R3058
OPEN
C3049
4.7U
C3050
OPEN
R3043
100
+12V
C3042
100U/16V
C3043
C3043
104
104
+
3
-
2
1
B-
4
7
+
5
-
6
B+
8
IC3003B
JRC4558
+
-
+
-
A
B
C
D
4321
D
C
B
A
4321
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