Zoom G2.1u - Specifications and Troubleshooting; Technical Specifications and Troubleshooting Guidance

1 2 3 4 56
A
B
C
D
6
54321
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C
B
A
Title
Number RevisionSize
B
Date: 14-Dec-2005 Sheet of
File: C:\Documents and Settings\inoue\ƒfƒXƒNƒgƒbƒv\19-25-G2.1u Circuit.ddbDrawn By:
5
6
7
IC8B
NJM2100M
R38
1M
"GUITAR"
C82
10p
L4
open
R39
620
+3.3VA
R41
15k-F
C54 0.1u
R43
75k-F
R42
13k-F
R40
39k-F
+8VA
R13
7.5k
C88
open-c
C97
0.01u film
R36
1.3k
C52
0.1u
3
2
1
4 8
IC8A
NJM2100M
+
C84
100u/16V
+
C95
10u/16V
+
C94
10u/16V
R46
1k
R47
1k
L6
open
R3
10k
L5
open
C23
open-c
+
C103
10u/16V
C58
0.1u
+3.3VA
+ C102
10u/16V
C57
0.1u
R35
10
+C96
2.2u/50V
C56
0.1u
5
6
7
IC7B
NJM4558M
C93
18p
C92
100p
R5
10k
R4
10k
+
C90
47u/6.3V
+3.3VA
R20
22k
R21
22k
+C91
47u/6.3V
+8VA
C53
open-c
3
2
1
84
IC7A
NJM4558M
+
C83
0.1u/50V
R80
0
D_OUT
D_IN
D_IN
D_OUT
1FS
1FS
64FS
CODEC_PD-
CODEC_PD-
64FS
256FS
256FS
C55
0.1u
RIN
1
LIN
2
VSS
3
VA
4
VD
5
DEM0
6
DEM1
7
LRCK
10
MCLK
11
BCLK
12
PDN
13
VCOM
14
LOUT
15
ROUT
16
SDTO
8
SDTI
9
IC15
AK4552VT
2
3
1
J3
SJ6336
2
1
4
J2
SJ6335
C98
0.01u
C99
0.01u
R45
1k
R44
1k
C117
1000p
C118
1000p
+
C71
100u/16V
+
C72
100u/16V
+
C86
10u/16V
R22
47k
+8VA
C8
0.1u
+
C87
10u/16V
R28
22
R29
22
C22
open-c
R11
22k
R12
22k
+C61
47u/6.3V
+8VA
R26
22k
R27
22k
R24
8.2k
C73
1500p
C59
open-c
R23
47k
R25
8.2k
C85
1500p
C60
open-c
3
2
1
4 8
IC9A
NJM4556M
5
6
7
IC9B
NJM4556M
R10
22k
R9
22k
1
2
3
4
5
6
7
CN5A
PH-7A (2mmP)
12
D3
1SS133
to USB PCB
R68
47k
"OUTPUT"
CPU
D164_cpu.sch
DSP
D164_dsp.sch
Power
D164_pwr.sch
D164 MAIN PCB(PCB-5155) ANALOG circuit 1/7
MP
Z3A-0223-A3
Q5
BC817-40LT1G
Q6
BC817-40LT1G
R86
1k
R87
1k
5
43
DT2B
MUN5135DW1T1
2
16
DT2A
MUN5135DW1T1
+8VA
+8VA2
1 3
DT3
DTC124EKA
R85
22k
+8VA
R84
330
12
D8
1SS133
+3.3VD
AMUTE
G2.1u CIRCUIT DIAGRAM
MAIN PCB (ANALOG) PCB-5155A
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