Sony ZS-X1 Service Manual ▷ View online
33
ZS-X1
6-16.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC802
µ
PD789478GC-A07-8BT (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1, 2
NC
—
Not used
3 to 5
VLC2 to VLC0
—
Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage
6 to 9
COM0 to COM3
O
Common drive signal output to the liquid crystal display
10 to 26
S0 to S16
O
Segment drive signal output to the liquid crystal display
27
NC (940-CHK)
—
Not used
28
AC-CHK
—
Not used
29
C-DOOR
I
CD lid open/close detect switch input terminal “L”: CD lid is closed, “H”: CD lid is opened
30
NC (S-ROCK)
—
Not used
31
NC (S-POP)
—
Not used
32
NC (S-JAZZ)
—
Not used
33
NC (S-VOCAL)
—
Not used
34
NC (S-SUR)
—
Not used
35
A-MUTE
O
Audio muting on/off control signal output terminal “H”: muting on
36
CD
O
Power on/off control signal output for the CD section “H”: power on
37
RADIO
—
Not used
38
AVDD
—
Power supply terminal (+3.3V) (for A/D converter)
39
BTT-CHK-H
I
High voltage (+9V) detection signal input for AC or battery check
40
BTT-CHK-M
I
Middle voltage (+4.5V) detection signal input for battery check
41
REC
—
Not used
42
6V REG
I
Power supply voltage (+6V) monitor input terminal
43
3.3V REG
I
Power supply voltage (+3.3V) monitor input terminal
44, 45
KEY2, KEY1
I
Front and top panel key input terminal (A/D input)
46
MODE CHK
I
Mode check signal input terminal
47
AVSS
—
Ground terminal (for A/D converter)
48
REMOTE
—
Not used
49
TC-PLAY
—
Not used
50
WP/INI
I
Wake up reading signal input terminal
51
LOAD
O
Load control signal output terminal
52
C-SUBSYQ (I)
I
Subcode sync (S0+S1) Q data input from the digital signal processor
53
C-DOUT (I)
I
Serial data input from the digital signal processor
54
C-DIN (O)
O
Serial data output to the digital signal processor
55
C-MCK (O)
O
Serial data transfer clock signal output to the digital signal processor
56
R-COUNT
I
PLL serial count data input from the FM/AM PLL
57
R-DATA
O
PLL serial data output to the FM/AM PLL
58
R-CLK
O
PLL serial data transfer clock signal output to the FM/AM PLL
59
R-LAT
O
PLL chip enable signal output to the FM/AM PLL
60
B-MUTE
O
Tuner muting on/off control signal output to the FM/AM PLL “H”: muting on
61
C-BUSY (I)
I
Busy signal input from the digital signal processor
62
C-RW (O)
O
CD-RW detection signal output to the digital signal processor
63
C-LIM SW (I)
I
Sled limit in detect switch input terminal “L”: When the optical pick-up is inner position
64
C-RESETX (O)
O
System reset signal output to the digital signal processor “L”: reset
65
P-CON
O
Power on/off control signal output terminal “H”: power on
66
ESP LED
O
LED drive signal output of the ESP indicator “H”: LED on
67
ISS2
—
Not used
68
DBB
O
Megabass on/off control signal output “L”: megabass on
34
ZS-X1
Pin No.
Pin Name
I/O
Description
69
ICO
—
Not used
70
XT1
I
Sub system clock input terminal (32.768 kHz)
71
XT2
O
Sub system clock output terminal (32.768 kHz)
72
VDD
—
Power supply terminal (+3.3V)
73
VSS
—
Ground terminal
74
X1
I
Main system clock input terminal (4.19 MHz)
75
X2
O
Main system clock output terminal (4.19 MHz)
76
RST
I
System reset signal input from the reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
77
V-CLK
O
Serial data transfer clock signal output to the electrical volume
78
V-DATA
O
Serial data output to the electrical volume
79
SCL
O
Serial data transfer clock signal output to the EEPROM
80
SDA
I/O
Two-way data bus with the EEPROM
35
ZS-X1
7-1. CABINET LOWER SECTION
SECTION 7
EXPLODED VIEWS
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• Accessories are given in the last of the elec-
trical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Les composants identifiés par une
marque 0 sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
marque 0 sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
The components identified by mark
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
critical for safety.
Replace only with part number
specified.
ANT1
cabinet upper section
#2
#1
#1
#1
#2
#2
#2
#2
#3
#2
A
A
B
B
C
C
cabinet front
section
section
not supplied
main chassis section
3
4
5
5
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
3
3-236-080-01 LID, BATTERY CASE
4
A-3364-981-A CABINET LOWER ASSY (US)
4 A-3608-896-A CABINET LOWER ASSY (CND, KR, SP)
4
4
A-3608-900-A CABINET LOWER ASSY (AEP, UK, IT, EE)
4
A-4540-706-A CABINET LOWER ASSY (AUS)
5
3-236-229-01 FOOT (A), RUBBER
ANT1
1-754-226-12 ANTENNA, TELESCOPIC
#1
7-685-647-14 SCREW +BVTP 3X10 TYPE2 N-S
#2
7-685-649-14 SCREW +BVTP 3X14 TYPE2 N-S
#3
7-682-548-04 SCREW +B 3X8
Ver 1.1
• Abbreviation
AUS : Australian model
CND : Canadian model
CND : Canadian model
EE
: East European model
IT
: Italian model
KR
: Korean model
SP
: Singapore model
36
ZS-X1
7-2. CABINET FRONT SECTION
54
#1
SP201
#1
#1
#1
#1
#1
cabinet upper section-1
#1
#1
#1
#1
#1
#1
#1
E
D
D
E
53
52
51
SP101
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
X-3381-568-1 CABINET SUB ASSY, FRONT
52
3-236-094-01 HOLDER (LEFT), FRONT
53
3-236-095-01 HOLDER (RIGHT), FRONT
54
3-236-078-01 COVER, HANDLE
SP101
1-544-988-11 SPEAKER (10cm) (L)
SP201
1-544-988-11 SPEAKER (10cm) (R)
#1
7-685-647-14 SCREW +BVTP 3X10 TYPE2 N-S
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