– 27 –
IC901
MPC1830ADTB
IC902
XC6383C281MR
21
22
23
24
25
26
27
28
29
30
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
20
31
32
33
34
35
36
GND
VRMC
VREF
INM
RF
DTC
CRST
XRST
VBMON
VC
SPCKI
SPCKO
C2L
C1L
VB
C1H
C2H
VG
BAND GAP
REFERENCE
RESET
VB SELECT
SPCK
BUFF
CHARGE
PUMP
VSTB
VBH
SYSTEM
CONTROL
OSC1
STEP-UP
DC / DC
CONVERTER
PWM1
MODE
SELECT
SAW
OSC2
XWK1
XWK2
XWK3
XWK4
FFCLR
SLEEP
VBSEL
CLK
VB2
VB1
PGND
SW
PWMI
DO
DI
VCON
1
2
3
CHIP
ENABLE
+
–
+
–
VREF
2STEP PFM CONTROL
OSC 100/180kHz
VLX LIMITER
5
4
VDD
CE
VOUT
NC
VSS
LX
BUFFER
– AUDIO Board –
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
6
5
4
3
2
1
BST
AGC
PW
B
PW
A
ADD
MT TC
VCC1
INB
INA
BEEP
OUTB
BEEP
OUTA
VCC2
OUTA
PWR
GND
OUTB
DET
A
GC IN
BST OUT
BST NF2
LPF2
BST NF1
LPF1
VREF
VREF IN
GND
BEEP IN
BST SW
MT SW
PW SW
Summary of Contents for MZ-E80
Page 12: ......