
53
53
HCD-GNZ333D/GNZ444D
HCD-GNZ333D/GNZ444D
7-22. SCHEMATIC DIAGRAM – MIC/JACK Section –
8.6
4.4
4.4
4.4
4.4
4.4
4.4
0
0
4
3
2
1
IC261
50k
RV261
J261
R264
180k
R266
2.2k
R268
4.7k
R267
3.9k
R274
100
C265
0.1
C274
0.1
C267
0.1
C268
0.1
C264
330p
C275
0.01
C271
100
6.3V
C270
220
10V
R278
0
R280
5.6k
50V
2.2
C277
100k
R282
R283
0
R281
100
2SC3052F-T1-LF
Q261
MIC MUTE
C273
10
50V
R277
100k
R272
47k
R273
47k
C261
1000p
R262
100k
1
C279
R261
4.7k
R263
4.7k
0.1
C278
1
C280
R269
1.5k
R275
22
E
ET261
2.2k
R284
100p
C281
C262
0.1
50V
C269
150p
R265 82k
R279
10k
4P
W262
1
A_GND
2
MIC_OUT
3
MIC_SW
4
9V
C282
100p
C283
100p
0.1
C284
0
C266
C254
1000p
3P
W252
1
AUDIO-L
2
A-GND
3
AUDIO-R
C257
0.1
0.1
1
2
3
4
5
5P
W253
HP-GND
HP-L
HP-R
AMP-ON
SP-RELAY
J252
C253
1000p
J251
MIC BOARD
IC261
MIC AMP
MIC
MIC
LEVEL
(SHIELD)
(CHASSIS)
W261
4
6
C
2
1
A
3
5
B
AUDIO IN
JACK BOARD
PHONES
(CHASSIS)
W251
7
8
C256
NJM4558M-TE2
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299