DOWNLOAD Sony DAV-C770 / HCD-C770 / HCD-C990 Service Manual ↓ Size: 11.23 MB | Pages: 127 in PDF or view online for FREE

Model
DAV-C770 HCD-C770 HCD-C990
Pages
127
Size
11.23 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD
File
dav-c770-hcd-c770-hcd-c990.pdf
Date

Sony DAV-C770 / HCD-C770 / HCD-C990 Service Manual ▷ View online

105
HCD-C770/C990
 DVD BOARD  IC902  PT3000 (CHANGER CONTROLLER (MOTOR, SWITCH) )
Pin No.
Pin Name
I/O
Description
1
VSS
Ground terminal
2
RESET
I
Reset signal input from the system controller     “L”: reset
3
CLK
I
Serial data transfer clock signal input from the system controller
4
LAT
I
Serial data latch pulse signal input from the system controller
5
P15
I
Disc insert (8/12cm) detect switch input terminal    “L”: disc insert
6
P14
I
Disc insert (12cm) detect switch input terminal    “L”: disc insert    Not used
7
P13
I
Disc in (8/12cm) detect switch input terminal    “L”: play position
8
P12
I
Disc in (12cm) detect switch input terminal    “L”: play position
9
P11
I
Stocker in/out detect switch input terminal    “L”: in the midst disc is moving between play 
position and stocker except the moment disc in/out from stocker
10
P10
I
Disc position detect switch input terminal
“L”: disc is play position side in the midst disc is moving between play position and stocker,
“H”: disc is stocker side in the midst disc is moving between play position and stocker
11
P9
I
Disc out detect switch input terminal    “H”: disc out from play position
12
P8
I
Stocking detect switch input terminal
“H”: in the midst disc is moving between play position and stocker
13
LATCHO
O
Serial data latch pulse signal output to the changer controller (rotary encoder)
14
CLKO
O
Serial data transfer clock signal output to the changer controller (rotary encoder)
15
DO1
O
Serial data output to the changer controller (rotary encoder)
16
DI2
I
Serial data input terminal    Not used
17, 18
P7, P6
O
Not used
19, 20
P5, P4
O
Elevator up/down motor drive control signal output
21, 22
P3, P2
O
Rollar motor drive control signal output
23, 24
P1, P0
O
Loading motor drive control signal output
25
DO2
O
Serial data output to the changer controller (rotary encoder)
26
DI1
I
Serial data input from the system controller
27
PULLUP
Connected to power supply (+5V)
28
VCC
Power supply terminal (+5V)
106
HCD-C770/C990
 DVD BOARD  IC906  PT3000 (CHANGER CONTROLLER (ROTARY ENCODER) )
Pin No.
Pin Name
I/O
Description
1
VSS
Ground terminal
2
RESET
I
Reset signal input from the system controller     “L”: reset
3
CLK
I
Serial data transfer clock signal input from the changer controller (motor, switch)
4
LAT
I
Serial data latch pulse signal input from the changer controller (motor, switch)
5 to 8
P15 to P12
I
Stocker position detect rotary encoder input terminal
9 to 12
P11 to P8
I
Mode detect rotary encoder input terminal
13
LATCHO
O
Serial data latch pulse signal output terminal    Not used
14
CLKO
O
Serial data transfer clock signal output terminal    Not used
15
DO1
O
Serial data output terminal    Not used
16
DI2
I
Serial data input from the changer controller (motor, switch)
17 to 24
P7 to P0
O
Not used
25
DO2
O
Serial data output to the system controller
26
DI1
I
Serial data input from the changer controller (motor, switch)
27
PULLUP
Connected to power supply (+5V)
28
VCC
Power supply terminal (+5V)
107
HCD-C770/C990
8-1.
GENERAL  SECTION
SECTION  8
EXPLODED  VIEWS
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Parts Color Cabinet's Color
• Abbreviation
AUS : Australian model
CND : Canadian model
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-240-373-01 SIDE PANEL (L)
2
4-240-374-01 SIDE PANEL (R)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
1
2
#1
#1
#1
#1
#1
#1
mechanism deck 
section-1
(CDM69-DVBU16)
front panel section-1
chassis section-1
Les composants identifiés par une
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.
108
HCD-C770/C990
8-2.
FRONT  PANEL  SECTION-1
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
4-240-382-01 CD BUTTON
52
4-240-383-01 BAND BUTTON
53
1-685-068-11 CONTROL BOARD
54
A-4676-963-A DDCON BOARD, COMPLETE
55
1-685-084-11 VOL BOARD
56
2-626-294-01 SCREW (+ PTPWH) (2.6X7)
57
1-685-083-11 HP BOARD
58
4-240-024-01 KNOB VOLUME (C770)
58
X-4952-564-1 KNOB (VOL) ASSY (C990)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
51
52
53
54
55
56
57
58
supplied with S800
#1
#1
#1
not supplied
not 
supplied
front panel section-2
Page of 127
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