– 14 –
– 15 –
– 16 –
• Waveforms
– MAIN Board –
1
IC101
@™
MCK, IC104
4
CLK OUT
(REC/PB mode) 1 V/DIV, 50 ns/DIV
• IC Block Diagrams
IC101
MSM7590L-01TS-K
2
IC101
@ª
RSYNC,
#º
XSYNC
(REC/PB mode) 1 V/DIV, 50 µs/DIV
3
IC705
1
1 V/DIV, 50 µs/DIV
4
IC705
2
1 V/DIV, 50 µs/DIV
5
IC705
5
1 V/DIV, 50 µs/DIV
6
IC701
&ª
X2 (REC/PB mode)
1 V/DIV, 50 ns/DIV
7
IC701
*™
XT1 (REC/PB mode)
1 V/DIV, 10 µs/DIV
8
IC703
1
32KOUT (REC/PB mode)
1 V/DIV, 10 µs/DIV
9
IC703
6
INTR (REC/PB mode)
1 V/DIV, 100 ms/DIV
0
IC703
8
OSCOUT (REC/PB mode)
200 mV/DIV, 10 µs/DIV
!¡
IC502
4
LX (REC/PB mode)
1 V/DIV, 5 µs/DIV
!™
Q502 Base (REC/PB mode)
200 mV/DIV, 5 µs/DIV
!£
Q502 Collector (REC/PB mode)
1 V/DIV, 5 µs/DIV
!¢
IC501
4
LX (REC/PB mode)
1 V/DIV, 5 µs/DIV
3.5 Vp-p
95 ns
3.4 Vp-p
123.5
µ
s
3.3 Vp-p
123.5
µ
s
3.4 Vp-p
123.5
µ
s
3.4 Vp-p
123.5
µ
s
3.4 Vp-p
200 ns
2.4 Vp-p
30.6 us
2.5 Vp-p
30.6
µ
s
4.3 Vp-p
500 ms
1.1 Vp-p
30.5
µ
s
3.4 Vp-p
10.4
µ
s
712 mVp-p
10.4
µ
s
4.1 Vp-p
10.4
µ
s
3.9 Vp-p
10.4
µ
s
IR
PCMRO
PCMRI
ATT
ATT
PCM
ENCODER
ADPCM
ENCODER
REFERENCE
POWER SUPPLY
ADPCM
DECODER
CLOCK,
TIMING
GENERATOR
P/S
or
S/P
PCM
DECODER
BACK-GROUND
NOISE
GENERATOR
DTMF/
OTHERS TONE
GENERATOR
VOICE
DETECT
AIN1+
AIN1–
GSX1
AIN2
25
24
23
22
21
MCK
CPU
INTERFACE
DEN
20 EXCK
19
DIN
18 DOUT
17
VOXO
PCMSO
PCMSI
IS
28
27
26
BCLK
XSYNC
RSYNC
31
DG
32
30
29
3
SG
2
AG
1
4
5
GSX2
7
VFRO
8
PWI
9
AOUT– 10
AOUT+ 11
6
+
–
+
–
+
–
–1
SAO+ 12
+1
SAO–
13
VOXI 15
VDD 16
PDN/RESET 14
–1
IC102
NJM2076M (TE2)
INVA IN
NON INVB IN
BASE B
BASE A
A OUT
VSS
B OUT
2
VDD
3
1
4
7
6
5
8
POWER
AMP
POWER
AMP
IC104
XC25A08510MR
CLKIN
VSS
VDD
CLKOUT
PHASE
DETECTOR
1/N
COUNTER
L.P.F.
VCO
1/2
BUFFER
2
1
3
4
CE
5
IC501
XC6372C331PR
IC502
XC6372D351PR
NC
VOUT
CE
VSS
LX
2
1
3
4
5
VLX
LIMITER
PWM/PFM
CONTROL
OSC 100kHz
BUFFER
PHASE
COMPARATOR
REFERENCE
VOLTAGE
CHIP
ENABLE
SLOW
START
+
–
VDD
IC703
RS5C348A-E2
VDD
VDD
OSCIN
OSCOUT
CE
/INTR
32KOUT
SCLK
SO
SI
VSS
32 kHz
OUTPUT
CONTROL
COMPARATOR
W
COMPARATOR
D
ADDRESS
REGISTER
I/O
CONTROL
ADDRESS
DECODER
SHIFT
REGISTER
INTERRUPT
CONTROL
OSC
DETECT
VOLTAGE
DETECT
ALARM W REGISTER
(WEEK, MIN, HOUR)
ALARM D REGISTER
(MIN, HOUR)
DIV
OSC
DIVIDER
CORRECTION
9
10
8
7
6
2
3
4
5
1
TIMER COUNTER
SEC, MIN, HOUR, WEEK,
DAY, MONTH, YEAR