
31
MZ-E505
• IC Block Diagrams
IC301 TA2131FL (EL)
V REF
MT
SW
BST
SW
BEEP
19
20
21
22
23
24
18 17 16 15 14 13
PW
SW
12
11
10
8
7
BST1
9
BST2
654321
BST
AGC
PW
B
PW
A
ADD
MT TC
VCC1
INB
INA
BEEP
OUTB
BEEP
OUTA
VCC2
OUTA
PWR
GND
OUTB
DET
GC IN
BST OUT
BST NF2
LPF2
BST NF1
LPF1
VREF
VREF IN
GND
BEEP IN
BST SW
MT SW
PW SW
IC501 SN761057ADBT
1
TE
REXT
Wpp LPF
VREF
C
D
D-C
Iy
Ix
Jx
Jy
A
A-C
B
ADIP-IN
FE
ABCD
OFC-C1
OFC-C2
PS
LP
EQ
AGND
RF
CCSL2
VC
RESET
SCK
SBUS
VREF075
PEAK
BOTM
DGND
OFTRK
S-MON
TON-C
CIG
CDN
ADFG
DVDD
PD-NI
PD-I
PD-O
43
44
TWpp
PK/BTM
Aw
CSLO
VREF075
A-C
D-C
Malfa
Mij
AwBPF
Dw
DwBPF
42
39
AVCC
38
37
36
35
34
31
30
29
28
27
26
25
24
23
40
41
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
A+B+C+D
I+J
NPP
TON
CSL
Aw+Dw
TON Peak
TON Botm
ADIP
TE
TEMP
33
32
S-MONITOR
TE
RF
FE
APC
ADIP
T-ON
SERIAL
I/F
PEAK/BOTM
OF TRK
ABCD
Tpp/Wpp
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