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ZS-PS30CP
ZS-PS30CP
28
28
• Waveforms
– MAIN Board –
1
IC801
q;
(MXO)
1 V/DIV, 100 ns/DIV
239 ns
2.1 Vp-p
2
IC801
wk
(XO)
500 mV/DIV, 20 ns/DIV
59.1 ns
1.5 Vp-p
3
IC801
ul
(RFO)
(CD play mode)
1.5 Vp-p
500 mV/DIV, 500 ns/DIV
5
IC1001
ud
(X2)
(USB mode)
1 V/DIV, 50 ns/DIV
111 ns
2.9 Vp-p
4
IC1
4
(GPO2/INT)
(Radio mode)
500 mV/DIV, 10
P
s/DIV
30.5
P
s
1.1 Vp-p
• IC Block Diagrams
– MAIN Board –
IC1 SI4730-D60-GUR
GND
22
ROUT
23
LOUT
24
VA
21
VD
20
RCLK
19
SDIO
18
SCLK
17
SEN
16
RST
15
GND
14
GND
13
N.C.
N.C.
10
DOUT 1
11
FMI
RFGND
8
9
N.C.
N.C.
6
7
GPO2/INT
GPO1
4
5
DFS
GPO3/DCLK
2
3
AMI 12
DAC
DSP
DAC
CONTROL
INTERFACE
DIGITAL
AUDIO
ADC
AGC
ADC
LOW-IF
MUX
AFC
MUX
LDO
-
LNA
AGC
LNA
IC302 UTC8227 S
1
7
8
9
10
11
12
3
4
+
–
+
–
VCC1
CH-1
CH-2
OUTPUT1
BOOT STRAP1
PRE GND
NF1
INPUT1
VCC2
OUTPUT2
BOOT STRAP2
RIPPLE
NF2
INPUT2
2
5
6
IC701 BA5826HFP-E2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
REGULATOR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VO3(+)
VO3(–)
VO4(–)
VO4(+)
RESETt
OPIN
VO1(–)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VO2(–)
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULA
TOR
VCC
VCC
IC803, 804 BU15TD3WG-TR
2
GND
1
VIN
VOUT
5
VOLTAGE
REFERENCE
3
STBY
NC
4
STANDBY
OVER CURRENT
PROTECTION
THERMAL
SHUTDOWN
+
–
IC806 HT1621
CS
SEG10
1
RD 2
WR 3
DATA 4
SEG21
24
BZ 8
COM0 9
COM1 10
COM2 11
34
SEG30
14
SEG31
13
COM3
12
VSS 5
VLCD 6
VDD 7
CONTROL
AND
TIMING
SCIRCUIT
LCD DRIVER/
BASE CIRCUIT
DISPLAY
RAM
TONE
FREQUENCY
GENERATOR
WATCHDOG TIMER
AND
TIME BASE GENERATOR
SEG29
15
SEG28
16
SEG27
17
SEG26
18
SEG25
19
SEG24
20
SEG23
21
SEG22
22
SEG20
23
SEG19
25
SEG18
26
SEG17
27
SEG16
28
SEG15
29
SEG14
30
SEG13
31
SEG12
32
SEG11
33
4
32
SEG9
35
SEG8
36
SEG7
37
SEG6
38
SEG5
39
SEG4
40
SEG3
41
SEG2
42
SEG1
43
SEG0
44
IC901 NJM2387ADL3 (TE2)
1
VIN
2
CONTROL
5
GND
3
VOUT
4
VA
D
J
BANDGAP
REFERENCE
OVER VOLTAGE
PROTECTION
OVER CURRENT
PROTECTION
THERMAL
PROTECTION
ON/OFF
CONTROL
REGULATOR
Summary of Contents for ZS-PS30CP
Page 47: ...MEMO ZS PS30CP 47 ...