Sony HBD-E190 - Printed Wiring Board - KARAOKE Board; Schematic Diagram - KARAOKE Board

HBD-E190/E290/E490/E690
HBD-E190/E290/E490/E690
5454
5-26. PRINTED WIRING BOARD - KARAOKE Board - • See page 34 for Circuit Boards Location. • : Uses unleaded solder.
Ver. 1.1
5-27. SCHEMATIC DIAGRAM - KARAOKE Board -
1
A
B
C
D
E
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
IC201
IC203
R210
R213
R214
R217
R218
R219
R223
R230
C206
C207
C209
C210
C211
C213
C214
C215
C218
C221
C224
C226
R209
16
CN201
J201J202
R211
R212
R215
R216
C202
C203
C204
C216
C217
C219
C220
CL200
CL202
CL203
CL205
CL206
CL207
CL208
CL217
CL218
CL219
CL220
CL221
CL222
R203
R204
R205
R206
R207
R208
CL201
D202
C222
KARAOKE BOARD (SIDE A)
(RU)
1-885-164-
11
(11)
KARAOKE BOARD (SIDE B)
(RU)
1-885-164-
11
(11)
MIC 1MIC 2
C
MB148
BOARD
CN5903
(Page 35)
1
A
B
C
D
E
F
2 3 4 5 6 7 8 910
KARAOKE BOARD
(RU)
02.5 1 2.5 5
2.5 2.5 5
2.5 2.5 2.5 2.5 2.5 2.5 2.5
2.5 2.5 2.5
CL203
CL202
C203
1000p
100k
R203
1000p
C202
CL205
CL206
R204
100k
C204 0.47
R213
10k
C210
1
14 13 12 11 10 9 8
7654321
NJM2783V (TE2)
IC201
C220
0.1
R214
1M
C209
1
C217
0.1
4.7k
R208
4.7k
R207
22kR212
47kR211
CL222
CL219
CL221
CL220
CL218
CL217
220
R215
100
R216
C219
10
C213
10
C211
4.7
C216
10
1
2
3
4
5
6
6P
CN201
A5V
MIC(1+2)
AGND
SCL
SDA
PLUG_DET
1k
R205
R206
1k
R209
47k
C221
10
2.2
C218
J201
NJU72341V (TE2)
IC203
CL207
CL208
R210
1k
2.2
C226
CL200
MC2840-T112-1
D202
C222
1000p
R218
15k
C207
1
C214
470p
C215
470p
2.2k
R230
2.2k
R223
C224
2.2
C206
560p
R217
39k
R219
3.3k
PLUG_DET
MIC 1
GAIN 33.6dB
Bias
Detector
14 13 12 11 10 9 8
7654321
Bias
Vref
I
2
C
Zero Cross
Detection
GAIN 14.88dB
SDA
SCL
IC201
MIC AMP
IC203
ELECTRICAL
VOLUME
J202
MIC 2
20
MB148 BOARD
(6/9)
CN5903
(Page 42)