Sony ZS-PS20CP Service Manual ▷ View online
ZS-PS20CP
37
MAIN BOARD (2/3) IC801 LC87F7DC8AU-QIP-E (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
NC
—
Not used (Open)
2
M-MUTE
O
Motor driver mute signal output
3
O-CD DO
O
CD DSP serial data output
4
I-CD DI
I
CD DSP serial data input
5
O-CD CLK
O
CD DSP serial transfer clock signal output
6
O-VOL-DATA
O
Volume command serial data output
7
NC
—
Not used (Open)
8
O-VOL-CLK
O
Volume command serial transfer clock output
9
EPROM-SCK
O
EEPROM transfer clock output
10
EPROM-SDA
I/O
EEPROM serial data input/output
11
I-RES
I
Reset signal input
12
XT1
I
Clock oscillation input (32.768kHz)
13
XT2
O
Clock oscillation output (32.768kHz)
14
VSS1
—
Ground
15
CF1
I
Main system clock oscillation input (10 MHz)
16
CF2
O
Main system clock oscillation output (10 MHz)
17
VDD1
—
Power supply (+3.3 V)
18
O-CLOCK-SHIFT1
O
Clock shift switch signal output
19
O-CLOCK-SHIFT2
O
Clock shift switch signal output
20
NC
—
Not used (Open)
21
NC
—
Not used (Open)
22
I-REG3.3V-CHK
I
Power supply +3.3V check signal input
23
I-REG6.0V-CHK
I
Power supply +6V check signal input
24
I-REG9.0V-CHK
I
Power supply +9V check signal input
25
I-KEY1
I
Key input
26
I-KET2
I
Key input
27
I-KEY3
I
Key input
28
I-WAKE-UP
I
Key wake-up signal input
29
I-RMC
I
Remote commander receiver data input
30
I-SUFFIX 1
I
Suffi x distinction input
31
I-SUFFIX 2
I
Suffi x distinction input
32
I-SUFFIX 3
I
Suffi x distinction input
33
NC
—
Not used (Open)
34
O-BASS
O
MEGA BASS control signal output (Not used in this set)
35
O-A MUTE
O
Power AMP mute signal output
36
O-POWER
O
Main power control signal output
37
O-CD-ON
O
CD power control signal output (Not used in this set)
38
O-5V-ON
O
VBUS+5V power control signal output
39
O-TU-ON
O
Tuner power control signal output (Not used in this set)
40
O-TU-CLK
O
Tuner PLL clock signal output
41
O-TU-DATA
O
Tuner PLL data output
42
O-TU-CE
O
Tuner PLL chip enable signal output
43
NC
—
Not used (Open)
44
I-TU COUNT
I
Tuner PLL IF count signal input
45
I-CD LID
I
CD door open/close switch signal input “L: Close”
46 to 48
NC
—
Not used (Open)
49 to 53
O-SEG29 to SEG25
O
LCD drive segment signal output
54
VDD2
—
Power supply (+3.3 V)
55
VSS2
—
Ground
56 to 79
O-SEG24 to SEG1
O
LCD drive segment signal output
80
LCD BIAS V3
—
LCD bias voltage setting terminal
81
LCD BIAS V2
—
LCD bias voltage setting terminal
82
LCD BIAS V1
—
LCD bias voltage setting terminal
83 to 86
O-COM1 to COM4
O
LCD drive common signal output
87
NC
—
Not used (Open)
ZS-PS20CP
38
Pin No.
Pin Name
I/O
Description
88
I-CA CHECK
I
AC IN check signal input
89
VSS3
—
Ground
90
VDD3
—
Power supply (+3.3 V)
91
USB-TXD
O
USB I/F command serial data output
92
USB-RXD
I
USB I/F command serial data input
93
O-CD RES
O
CD DSP reset signal output
94
O-CD CE
O
CD DSP chip enable signal output
95
SUB V3
—
Not used (Pull down)
96
SUB V2
—
Not used (Pull down)
97
SUB V1
—
Not used (Pull down)
98
I-SW FLG
I
VBUS control fl ag signal input
99
O-SW EN
O
VBUS control enable signal output
100
O-USB SLEEP
O
USB host u-com control signal output
39
ZS-PS20CP
1
2
3
3
3
4
5
6
7
8
9
11
12
13
12
10
11
3
3
3
3
3
5
4
3
not supplied
(BATTERY (1) board)
(BATTERY (1) board)
ANT2
not supplied
(BATTERY (2) board)
(BATTERY (2) board)
front cabinet section,
upper cabinet section
upper cabinet section
not supplied
not supplied
F901
J901
T901
F902
SECTION 6
EXPLODED VIEWS
1
3-268-441-21 LID, BATTERY CASE
2
3-252-833-01 SCREW (M3), (+) P
3
3-252-827-01 SCREW (B2.6), (+) BV TAPPING
4
3-229-975-01 SPRING (–), BATTERY
5
3-252-540-01 SPRING (+.–), BATTERY
6
2-654-073-01 TERMINAL,
ANTENNA
7
A-1552-821-A POWER BOARD, COMPLETE
8
1-500-868-11 CORE,
FERRITE
9
3-268-440-41 CABINET
(REAR)
10
4-951-620-61 SCREW
(2.6)
11
3-831-441-99 SHEET
(1)
12
3-831-441-11 CUSHION
(D)
13
3-255-102-01 WASHER,
PETP
ANT2 1-754-376-11 ANTENNA,
TELESCOPIC
(FM)
0 F901
1-532-388-33 FUSE (2A/250V)
0 F902
1-532-388-33 FUSE (2A/250V)
0 J901
1-526-838-11 INLET, AC 2P (AC IN -)
0 T901
1-445-470-11 TRANSFORMER, POWER
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet’s Color
The components identifi ed by mark 0
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
6-1. REAR CABINET SECTION
• Abbreviation
AUS :
AUS :
Australian
model
CET : East European and Russian model
IT
IT
: Italian model
KR
: Korea model
TH :
Thai
model
40
ZS-PS20CP
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
3-254-140-01 SCREW (B2.6), (+) BV TAPPING
52
3-252-827-01 SCREW (B2.6), (+) BV TAPPING
53
2-655-159-12 JOINT,
CABINET
54
3-040-916-11 FOOT (FRONT), RUBBER
55
X-2319-036-1 NET (FRONT) SUB ASSY, CABINET
56
A-1552-827-A KEY (FUNC) BOARD, COMPLETE
57
3-297-345-01 BUTTON
(FUNCTION)
58
A-1552-829-A KEY (VOL) BOARD, COMPLETE
59
3-297-344-01 BUTTON
(VOL)
60
3-831-441-99 SHEET
(1)
SP101
1-826-280-51 SPEAKER (7.7cm) (L-CH)
SP201
1-826-280-51 SPEAKER (7.7cm) (R-CH)
6-2. FRONT CABINET SECTION
51
51
52
52
52
52
53
53
54
55
56
58
59
57
60
60
52
52
52
52
52
52
52
52
USB tray assy section
upper cabinet section
SP201
not supplied
not supplied
not supplied
(USB RELAY (1) board)
(USB RELAY (1) board)
SP101
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