Zoom G1 X Four, Руководство по обслуживанию

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G1X CIRCUIT DIAGRAM
MAIN PCB(PCB-0180)
Analog Circuit
- 19 -
1 2 3 4 5 6 7 8
A
B
C
D
8 7 6 5 4 3 2 1
D
C
B
A
R27
510k
"GUITAR"
C10
15p
R25
620
+3.3VA
C16 0.1u
R33
20k
R52
10k
R53
10k
C20
0.1u
+3.3VD
C19
0.1u
C22
0.1u
R35
10k
+3.3VA
3
2
1
8
4
IC2A
NJM2100V
2
3
1
J4 SJ-6325-B
C33
0.1u
C34
0.1u
R49
33k
+3.3VA
C30
0.1u
R50
10
R51
10
R44
22k
R45
22k
R47
5.6k
C29
2200p
C26
100p
R48
33k
R46
5.6k
C28
2200p
C27
100p
"OUTPUT"
+
C11
0.1u/50V
+ C17
47u/16V + C18
47u/16V
+ C23
10u/16V
+
C31
100u/16V
+
C32
100u/16V
C21
0.1u
R26
10k
192FS
R43
10k
+3.3VD
SCLK
CSB
SDIN
C24
0.1u
+
C25
10u/16V
+3.3VA
5
6
7
IC2B
NJM2100V
R36
15k-F
R37
240k-F
3
2
1
8
4
IC5A
NJU7082BV
5
6
7
IC5B
NJU7082BV
128FS
D_IN
D_OUT
1FS
2
1
3
Q1
BC817-40
R28
10k
+
C12
10u/16V
+3.3VA
TP12
AGND
TP15
OPA IN
TP18
AD L
TP17
AD R
TP20
DGND
TP21
AGND
TP22
DA L
TP23
DA R
TP24
L OUT
TP25
R OUT
TP26
AGND
2
3
1
4
J2
SJ-6325-4P
C39
0.1u
+
C38
470u/16V
+
C40
47u/16V
60mA typ
BTT_LVL
2
3
1
J3
DC-208B
L5
open-l
L8
open-l
C37
open-c
R32
110k-F
R55
22k-F
R54
18 2W
C35
open-c
C36
open-c
"DC-IN" AD-0006A
20mA typ
+3.3VA
TP14
BTT
TP29
AGND
+3.3VD
TP19
+3.3VA
TP28
DGND
TP16
+VDC
TP27
-VDC
VIN
1
G
N
D
2
VOUT
3
IC3
uPC2933BT1D
K A
D2
1N4003
PAD2
BATT+
PAD1
BATT-
C13
open-c
-5VA
+
C41
47u/16V
AVSS
AVDD
TP13
Input
R38
open-r
R58
open-r
R56
open-r
170mA typ
+1.26VD
A
K
D301
RB160L-40TE25
2
1 3
Q300
open-tr
2
1 3
Q301
KTA1001
C304 2200p
R311
1k
22uH
+ C306
470u/16V
L305
LQH43CN220K03
R312
470
R309
220
R310
2.2k
+ C303
10u/16V
EXT
1
VIN
2
GND
3
ON/OFF
4
VOUT
5
IC301
XC6365B103MR
TP301
+1.26SWV
TP300
EXT
R313
100k-F
R314
390k-F
C305
220p
R41
open-r
R40
open-r
L4
open-l
L6
open-l
L7
open-l
+3.3VD
L9
open-l
+3.3SDRAMV
+3.3DSPV
+3.3CPUV
L10
open-l
L11
open-l
+3.3VD
+
C44
open-cp
+
C45
open-cp
+
C46
open-cp
R59
open-r
+
C47
open-cp
+3.3LEDV
R42
open-r
R69
open-r
C83
22p
C84
open-c
Four R6 (SUM-3)
C85
open-c
R29
47k
R30
8.2k
R31
8.2k
C14
330p
C15
1500p-film
R307
0
R308
open-r
TP30
+3.3VD
JP2
open-r
TP399
FG2
TP398
FG1
MCLK
1
NC
2
DCVDD
3
DGND
4
DBVDD
5
NC
6
BCLK
7
D
A
C
D
A
T
8
D
A
C
LR
C
9
A
D
C
D
A
T
10
A
D
C
LR
C
11
N
C
12
N
C
13
N
C
14
NC
15
LOUT
16
ROUT
17
AVDD
18
AGND
19
VMID
20
NC
21
N
C
22
R
LI
N
EI
N
23
LL
IN
EI
N
24
M
O
D
E
25
C
SB
26
SD
IN
27
SC
LK
28
PA
D
33
IC4
WM8734
R39
open-r
JP1
open-r
JP3
open-r
R34
10k
FG2
FG
1
JP6
0.1u
JP5
0.1u
AVSS
JP4
open-r