Sony ZS-PS20CP Service Manual ▷ View online
ZS-PS20CP
33
IC1 LV23003VA (MAIN Board (1/3))
1
AM RF-IN
3
FM MIX-OUT
2
REG
6
VCC1
4
GND1
AM
RF
AM
MIX
AM
DET
AM
IF
FM
DET
FM
IF
SD
FF
VCO
FF
FF
ST
TRIG
STSW
FM
MIX
FM
OSC
AM
OSC
OSC
BUFFER
FM
S-METER
DECODER
PHASE
COMPARATOR
MUTE
PROGRAMMABLE
DIVIDER
REFERENCE
DIVIDER
UNLOCK
DETECTOR
SWALLOW
COUNTER
POWER ON
RESET
DATA SHIFT
REGISTER
LATCH
PHASE
DETECTOE
CHARGE
PUMP
UNIVERSAL
COUNTER
5
AM MIX-OUT
7
AM IF-IN
8
FM IF-IN
9
P-DET
10
P-COMP
11
FM-DET
12
L-OUT
13
R-OUT
14
VSS
FM
RF
36 FM RF-IN
35 GND2
34 FM RF-OUT
33 VCC2
35 GND2
34 FM RF-OUT
33 VCC2
30 BO2
29 BO1
29 BO1
32 FM OSC
31 AM OSC
28 LP-OUT
27 LP-IN
27 LP-IN
23 DET-OUT
15
CE
16
DI
17
CL
18
DO
22 MPX-IN
19 X IN
20 X OUT
21 VDD
26 PD
25 AGC
25 AGC
24 AM LOW CUT
LOW-PASS
FILTER
AGC
IF
BUFFER
PIROT
DET
CCB
I/F
ZS-PS20CP
34
IC802 S-24CS02AFT-TB-G (MAIN Board (2/3))
START/STOP
DETECT CIRCUIT
HIGH VOLTAGE
GENERATOR
DATA OUTPUT/
ACK OUTPUT/
CONTROL CIRCUIAT
DATA
REGISTER
EEPROM
X DECODER
SELECTOR
DEVICE
ADDRESS
COMPARATOR
SERIAL CLOCK
CONTROL CIRCUIT
ADDRESS
COUNTER
Y DECODER
LOAD
COMP
LOAD
R/W
DOUT
DIN
A0
A1
A2
GND
INC
1
2
3
4
SDA
SCL
WP
VCC
5
6
7
8
IC302 BD3499FV-E2 (MAIN Board (3/3))
1
IN L1
18 BCB2 L
17 BCA1 L
16 BCA2 R
17 BCA1 L
16 BCA2 R
20 SB2 L
19 OUT2 R
22 SB1 L
21 SR
21 SR
24 VCC
23 OUT1 L
26 SDA
25 SCL
25 SCL
28 FIL
27 GND
27 GND
15 BCB2 R
2
IN R1
3
IN L2
5
IN L3
6
IN R3
4
IN R2
11
VOL1 L
12
VOL2 R
13
TG2 R
14
TG1 L
7
IN L4
8
IN R4
9
SEL2 R
10
SEL1 L
INPUT
SELECTOR
TREBLE/
BASS
INVERTER
VOLUME
INPUT
GAIN
SURROUND
PC BUS
LOGIC
ZS-PS20CP
35
IC303 UTC8227 S (MAIN Board (3/3))
1
7
8
9
10
11
12
3
4
+
–
+
–
–
VCC2
CH-1
CH-2
L-OUT
L-BS
POWER GND
L-NF
L-IN
VCC1
R-OUT
R-BS
R-OUT
R-BS
RIPPLE
R-NF
R-IN
R-NF
R-IN
2
5
6
6
P.GND
P.GND
IC901 PQ1C21H2ZPH (MAIN Board (3/3))
CONSTANT VOLTAGE
ON/OFF
CIRCUIT
OVER CURRENT
ERROR AMP
DETECT
OVER HEAT
DETECT
Q
S
R
FLIP-FLOP
OSCILLATOR
COMPARATOR
VREF
FB
CONT
CIRCUIT
PWM
4
1
VIN
2
VOUT
3
5
GND
ZS-PS20CP
36
• IC Pin Function Description
CD BOARD IC702 LC87F1HC4AU-SQFP-E (USB I/F)
Pin No.
Pin Name
I/O
Description
1
P73/INT3
—
Not used (Open)
2
RES
I
Reset signal input
3
XT1/AN10
—
Not used (Connected to ground)
4
XT2/AN11
—
Not used (Open)
5
VSS1
—
Ground
6
CF1
I
Sub clock oscillation input (12MHz)
7
CF2
O
Sub clock oscillation output (12MHz)
8
VDD1
—
Power supply (+3.3 V)
9
P10/SO
O
CD DSP serial data output
10
P11/SI
I
CD DSP serial data input
11
P12/SCK
O
CD DSP serial transfer clock signal output
12
P13/SO1
—
Not used (Open)
13
P14/SI1/SB1
—
Not used (Open)
14
P15/SCK1
—
Not used (Open)
15
P16/T1PWML/CE
O
CD DSP chip enable signal output
16
P17/T1PWMH/BUZ
—
Not used (Open)
17
PWM1/MCLKI
—
Not used (Open)
18
PWM0/MCLKO
—
Not used (Open)
19
VDD2
—
Power supply (+3.3 V)
20
VSS2
—
Ground
21
P00/AN0
—
Not used (Open)
22
P01/AN1
—
Not used (Open)
23
P02/AN2/DBGP0
I
Not used (Pull down)
24
P03/AN3/DBGP1
I
Not used (Pull down)
25
P04/AN4/DBGP2
I
Not used (Pull down)
26
P05/AN5/CK0/SDAT
I
Audio serial data input
27
P06/AN6/T60
I
Audio serial data shift clock input
28
P07/AN7/T70
I
Audio Lch/Rch data signal input
29
P20/INT4/INT6
—
Not used (Open)
30
P21/INT4
—
Not used (Open)
31
P22/INT4/SO4/RD
O
Stream data output
32
P23/INT4/SI4/WR
O
Audio data request signal output
33
P24/INT5/INT7/SCK4
O
Stream data bit clock signal output
34
P25/INT5/SO9/RD9
—
Not used (Open)
35
P26/INT5/SI9/WR9
—
Not used (Open)
36
P27/INT5/SCK9
—
Not used (Open)
37
UHD–
I/O
USB data input/output
38
UHD+
I/O
USB data input/output
39
VDD3
—
Power supply (+3.3 V)
40
VSS3
—
Ground
41
P34/UFILT
—
USB I/F PLL fi lter terminal
42
P33/AFILT
—
Not used (Open)
43
P32
—
Not used (Open)
44
P31/URX1
I
USB I/F command serial data input
45
P30/UTX1
O
USB I/F command serial data output
46
P70/INT0/TOLCP/AN8
I
Stream data request signal input
47
P71/INT1/TOHCP/AN9
I
USB host u-com control signal input
48
P72/INT2/TOIN
—
Not used (Open)
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