Zoom G1X Service Manual page 19

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

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