Circuit Diagram - Zoom G1 Service Manual

1 2
AVDD AVDD
TP48 TP49
D
R1 R2
CTRL2 CTRL3
1k 470k
CONTROL IN
L1
R3
J1
2
330k
open-l
L2 R4
3
1 open-l
10k
SJ-6325-B
TP47
C1
CTRL1 L3
open-c
open-l
AVSS AVSS
+3.3LEDV
DT1A DT1B
MUN5135DW1T1
2 5
C
MUN5135DW1T1
SEG_D R74
SEG_C R75
SEG_B
R76
SEG1
SEG_A
R77
E20561-GFOR
R14
1A 2A
10k
1B
1F 2B
2F
1G 2G
1C
2C
1E
2E
1D 1dp 2D 2dp
B
192FS
192FS
A
1 2
3
SW1
TAP
1104RTA-2
SW2
RHYTHM
1104RTA-2
SW3
AVDD STORE
TP1
D6 1104RTA-2
CTRL A K
SW4
FOOT_SW_DOWN
open-d
1104RTA-2
D7 SW5
C2 K A FOOT_SW_UP
0.1u
1104RTA-2
open-d
AVSS
AVSS
DSP_RST-
SCLK
R8
open-r
CSB
R9
open-r
SDIN
R10
open-r
TP4
+3.3VD TEST MODE
R7
R6
47k
47k
1
P120/INTP0/EXLVI
620 2
P43
620 3
P42
4
620
P41
5
620
P40
/RESET 6
RESET
7
P124/XT2/EXCLKS
R68
8
P123/XT1
FLMD0 9
1k
UPD78F0537GB(T)-601-UEU-A
FLMD0
10
P122/X2/EXCLK
11
P121/X1
12
REGC
R15
C6 13
Vss
14
EVss
15
Vdd
1u
open-r 16
EVdd
+3.3CPUV
C7
0.1u
SEG_E
R78 620
SEG_F R79 620
SEG_G R80 620
SEG_DP
R81 620
3
4 5
+3.3VD
TP2
BTT LVL
BTT_LVL
BTT_LVL
C3
0.01u
AVDD
TP5
VR
AVSS CW VR1
R13
VALUE 2
220
C4
0.01u
AVSS
RV09BF-40E1-115F-0B50K-0G31
AVSS
TP46 TP6
IC1 AVSS AVDD AVDD
C5
0.1u
AVSS
48
AVss
47
AVref
46
P10/SCK10/TxD0
45
P11/SI10/RxD0
44
P12/SO10
43
P13/TxD6 DSP_RDY
42
P14/RxD6 DSP_HPI.HBIL
41
P15/TOH0 DSP_R/W-
40
P16/TOH1/INTP5 DSP_ADRS1
39
P17/TI50/TO50 DSP_ADRS0
38
P30/INTP1 DSP_HDS-
37
P53
36
P52
35
P51
34
P50
33
P31/INTP2
R16
47k
R86
PORT_D2C
47k
PORT_C2D
TP10
TP11
ENCA
ENCB
CPUD[0..7]
CPUD[0..7]
R21 22k
R22
C8
C9
0.027u
0.039u
4 5
6 7
TP9
SI
TP7
TP8
SCK
TP41
SO-
TP42
P32
TP43
P31
+3.3VD
TP44
+3.3VD +3.3VD
TP3
/RESET
R23 R24
TP45
2.2k 2.2k
TP40
SW6
A FLMD0
C
B
22k
F-11EN7H20M+C L15Fx7(0)
G1 CIRCUIT DIAGRAM
MAIN PCB(PCB-0169) CPU Circuit
6 7
8
D
C
IN
MIDI IN/OUT
GND
OUT
ROM-WRITE R
B
SO-
P32
ICE
P31
VCC
ICE/ROM-WRITER
/RESET
COMMON
GND
FLMD0
A
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