29
29
HCD-XGR90AV
7-8.PRINTED WIRING BOARD – MIC/GUITAR SECTION –
• See page 21 for Circuit Boards Location.
Ref. No.
Location
IC850
C-3
IC852
C-1
IC853
D-2
Q880
E-2
Q881
F-1
Q882
E-2
Q883
F-2
Q884
D-3
• Semiconductor
Location
7-7.SCHEMATIC DIAGRAM – MIC/GUITAR SECTION –
C802
C801
C836
R852
C805
IC850(1/2)
C821
R855
C804
IC852(2/2)
R869
C814
IC852(1/2)
R872
C815
FL801
IC853(2/2)
IC853(1/2)
Q881
Q883
Q882
Q880
C880
C813
C816
C884
C881
R891
C806
R807
R809
J801
J802
C817
NO802
R883
R884
R885
R887
CN812
R888
C822
R874
R867
R873
R857
C837
R878
Q884
R876
R877
R879
C838
R870
R856
NO811
C824
47p
10000p
10000p
100k
1000p
NJM4558L
NJM4558L
47/16
10k
0.47
50V
NJM4558L
68k
47p
NJM4558L
2.2k
47p
NJM4558L
NJM4558L
2SC2603
DTA124ESA
DTC124ESA
2SC2603
0.022
2.2
50V
2.2
50V
47p
1M
47p
10k
1k
2.2
50V
47k
470
10k
R889
22k
10k
6P
CT-S
1k
47/16
15k
2.2k
2.2k
4.7k
10
50V
1k
2SC2785
1k
330
1k
10
50V
220k
3P
2.2
50V
MIC-VR-IN
MIC-VR-OUT
GND
MIC-OUT
MIC_GND
ECHO/GUITAR-IN
ECHO/GUITAR-OUT
DISTORTION
GUITAR
MIX MIC
+10V
(CHASSIS)
2
3
2
3
7
GUITAR AMP
IC852
2
3
GUITAR AMP
Q880-883
DISTORTION
ON/OFF SWITCH
IC853
MIC/GUITAR BOARD
11
(12)
1-683-455-
J802
GUITAR
J801
MIX MIC
IC852
IC853
C881
1
8
1
8
IC850
C806
C818
R858
R887
JW813
JW817
Q880
R857
R873
JW824
JW818
FL801
C838
C837
C880
C884
R876
R879
R877
R874
Q884
Q883
JW812
R888
Q882
R885
R889
Q881
R883
R880
R882
R881
C882
JW822
R886
R872
JW823
JW814
JW819
JW805
JW820
JW806
C824
R884
C810
R867
C836
C801
R807
R809
R854
C804
C802
C813
R891
C814
R870
C815
R850
R855
C819
R856
R853
JW801
R878
JW816
C821
C805
R852
C817 C803
C822
CN812
C816
JW821
JW481
JW804
NO811
CLP804
NO802
(CHASSIS)
JW815
E
E
1
6
E
E
E
1
8
1
3
2
3
4
A
1
B
C
D
E
F
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
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299