Sony DAV-LF1 / HCD-LF1 Service Manual ▷ View online
81
HCD-LF1
• DVD-POW BOARD IC301 uPD703033BYGF-M57-3BA-A (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
UCOM-DO
O
Ucom data output to Subwoofer
2
UCOM-CLK
O
Not used
3
I2C-DATA
O
12c-data signal output to DVD system processor
4
ZIVA-RST
O
Reset signal output to DVD system processor
5
I2C-CLK
O
12c-clock signal output to DVD system processor
6
QUA-DI
I
Touch key data input from touch key driver
7
QUA-DO
O
Touch key data output to touch key driver
8
QUA SYNC
O
Sync signal output
9
EVDD
—
Power Supply (+5V)
10
EVSS
—
Ground terminal
11
LED0
O
LED0 drive signal output
12
LED1
O
LED1 drive signal output
13
NC
—
Not used
14
FL-LAT
O
Fl-lat data output to Fluorescent Indicator Tube
15
FL-BK
O
Fl-bk data output to Fluorescent Indicator Tube
16
FL-DATA
O
Fl-data data output to Fluorescent Indicator Tube
17
FL-CLK
O
Fl-clk data output to Fluorescent Indicator Tube
18
LED2
O
LED2 drive signal output
19
LED3
O
LED3 drive signal output
20
LED4
O
LED4 drive signal output
21
IC/VPP
—
Not used
22
STBY LED
O
Standby LED drive signal output
23
NC
—
Not used
24
NC
—
Not used
25
NC
—
Not used
26
DF INIT
O
Df init signal output to Digital Audio Proccer
27
DF SEL
O
Df sel signal output to Digital Audio Proccer
28
M REQ
I
Mute req signal input to DVD system processor
29
NC
—
Not used
30
NC
—
Not used
31
NC
—
Not used
32
NC
—
Not used
33
NC
—
Not used
34
RESET
I
System Reset Signal input
35
XT1
—
Not used
36
XT2
—
Not used
37
REGO
I
Rego signal input
38
X2
O
Main Oscillator signal output
39
X1
I
Main Oscillator signal input
40
VSS
—
Ground terminal
41
VDD
—
Power Supply (+5V)
42
CLKO
—
Not used
43
NC
—
Not used
44
NC
—
Not used
45
STBY POWER
O
Standby signal output to system controller (SA-WSLF1)
46
DVD POW
O
DVD power control signal output
47
A.MCON RST
O
System reset signal output to system controller (SA-WSLF1)
82
HCD-LF1
Pin No.
Pin Name
I/O
Description
48
NC
—
Not used
49
NC
—
Not used
50
QUA SI0
O
Touch key scan data output to touch key driver
51
QUA SI1
O
Touch key scan data output to touch key driver
52
QUA SI2
O
Touch key scan data output to touch key driver
53
QUA SO3
I
Touch key data input from touch key driver
54
QUA SO2
I
Touch key data input from touch key driver
55
QUA SO1
I
Touch key data input from touch key driver
56
QUA SO0
I
Touch key data input from touch key driver
57
QUA RST
O
System reset signal output to touch key driver
58
BVDD
—
Power Supply (+5V)
59
BVSS
—
Ground terminal
60
QUA RDY
I
Ready signal input from touch key driver
61
NC
—
Not used
62
NC
—
Not used
63
NC
—
Not used
64
NC
—
Not used
65
NC
—
Not used
66
NC
—
Not used
67
NC
—
Not used
68
NC
—
Not used
69
CDM-CHK-SW
I
Chucking detection switch signal input
70
CDM-OUT-SW
I
Trigger detection switch signal input
71
CDM-TRD-SW
I
Loading out detection switch signal input
72
CDM FIN
O
Motor drive signal output
73
CDM RIN
O
Motor drive signal output
74
AVDD
—
Power Supply (+5V)
75
AVSS
—
Ground terminal
76
AVREF
I
Reference voltage input terminal
77
D.POW SENS
O
Not used
78
NC
—
Not used
79
NC
—
Not used
80
AREA
I
Voltage input terminal of area
81
NC
—
Not used
82
KEY0
I
KEY(power) input terminal
83
KEY1
I
KEY(eject) input terminal
84
KEY2
I
KEY(test mode) input terminal
85
NC
—
Not used
86
NC
—
Not used
87
NC
—
Not used
88
NC
—
Not used
89
NC
—
Not used
90
STOP
I
STOP signal input from Switching Regulator (SA-WSLF1)
91
I/PSW
I
I/PSW signal input from DVD system processor
92
WIDE
I
WIDE signal input from DVD system processor
93
WAKE
O
WAKE output data
94
SIRCS
I
SIRCS signal input from the remote sensor
83
HCD-LF1
Pin No.
Pin Name
I/O
Description
95
V SW
O
Mute signal output to the Video Amp
96
V MUTE
O
RCS signal output to the Video Amp
98
NC
—
Not used
98
NC
—
Not used
99
AMPMCOM
—
Not used
100
UCOM-DI
Ucom data input to Subwoofer
84
HCD-LF1
SECTION 7
EXPLODED VIEWS
NOTE:
•
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
may have some difference from the original
one.
•
Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
•
The mechanical parts with no reference
number in the exploded views are not supplied.
number in the exploded views are not supplied.
•
Abbreviation
AUS
AUS
: Australian model
CND
: Canadian model
E41
: Chilean and peruvian models
EA
: Saudi Arabia model
HK
: Hong Kong model
KR
: Korea model
MX
: Mexican model
RU
: Russian model
SP
: Singapore model
TW
: Taiwan model
Ref. No.
Part No.
Description
Remark
7-1.
STAND SECTION
Ref. No.
Part No.
Description
Remark
The components identified by mark 0 or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque 0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant le
numéro spécifié.
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant le
numéro spécifié.
1
2-176-113-01 COVER (FRONT)
2
2-176-109-01 BASE (AL)
3
2-176-114-01 COVER (REAR)
4
4-248-560-11 SCREW (HEX 4X10)
5
2-176-110-10 FOOT (STAND)
6
A-1066-311-A STAND ASSY (EXCEPT KR)
6
A-1092-692-A STAND ASSY (KR)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
main section
1
5
4
3
2
#1
#1
6
not
supplied
supplied
Ver. 1.2
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