Sony DAV-C770 / HCD-C770 / HCD-C990 Service Manual ▷ View online
HCD-C770/C990
37
37
7-6.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
C
: panel designation.
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : DVD PLAY
(
no mark : DVD PLAY
(
) : CD PLAY
[
] : SACD PLAY
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD PLAY
c
: DVD PLAY
I
: SACD PLAY
f
: AUX IN
i
: OPTICAL DEITAL IN
d
: TUNER
F
: AUDIO
L
: VIDEO
E
: Y
a
: CHROMA
r
: COMPONENT VIDEO
• Abbreviation
AUS
: Australian model
CND : Canadian model
• Circuit Boards Location
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
FL board
control board
vol board
HP board
DVD board
power board
AMP board
audio board
SEL board
video board
DDCON board
power SW board
key board
not supplied
(power LED board)
(power LED board)
not supplied
(roller motor board)
(roller motor board)
not supplied
(mode motor board)
(mode motor board)
not supplied
(sensor board)
(sensor board)
SW (1) board
SW (2) board
SW (3) board
SW (4) board
stocker motor board
relay board
RF board
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side) the parts face are indicated.
HCD-C770/C990
38
38
7-7.
PRINTED WIRING BOARDS – RF Section –
•
See page 37 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D001
C-11
D002
B-11
IC001
D-11
Q001
B-3
Q002
B-3
(COMPONENT SIDE)
RF BOARD
(CONDUCTOR SIDE)
RF BOARD
IC001
DVD BOARD
CN401
A
E
E
OPTICAL PICK-UP
BLOCK
(DVBU16)
FLEXIBLE BOARD
1-684-822-
11
(11)
1-684-822-
11
(11)
1
16
17
32
48
33
64
49
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
(Page 42)
HCD-C770/C990
39
39
7-8.
SCHEMATIC DIAGRAM – RF Section –
•
See page 71 for Waveforms.
•
See page 76 for IC Block Diagram.
The components identified by mark
0
or 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.
JL005
C011
R033
C036
R034
C039
C038
C037
C040
R021
JL007
C003
R010
R008
R007
IOP1
L002
C004
D002
R006
C001
C010
R004
R003
IOP2
L001
C002
D001
R022
R025
R023
C016
C015
C014
R014
R013
R012
R011
R018
R017
R016
R015
C042
C020
C021
C022
C023
R024
R026
C027
C028
C029
C018
C017
C019
C024
C031
C033
C012
C005
R032
JL003
JL006
R029
R028
R027
JL002
JL001
C032
C034
C049
C009
C035
IC001
CN003
CN001
CN002
C025
C006
C013
R005
R009
R035
R019
R020
C041
R001
Q001
Q002
C008
R041
JL004
C030
C026
1000p
0
0.47
10M
0.033
0.033
330p
0.1
0
100
6.3V
470
33
33
10
16V
1SS355TE
-17
470
100
6.3V
1000p
33
33
10
16V
1SS355TE
-17
220
100
820
2200p
2200p
2200p
0
0
0
0
0
0
0
0
180p
22p
22p
22p
22p
0
12k
0.1
0.1
0.01
5600p
2200p
5600p
0.01
1000p
0.1
0.1
22
10V
100
0
0
0
0.047
0.1
0.1
0.1
0.1
CXD1881AR
9P
24P
29P
0.1
22
10V
0.1
47k
47k
0
0
0
0.1
100
2SB1132-T100-QR
2SB1132-T100-QR
0.1
1k
0.01
0.1
MIRR
RFP
CD_LD
DVD_LD
SDEN
DATA_RF
CLK_RF
SDEN
DATA_RF
CLK_RF
LDON
A
B
C
D
E
F
TE
FE
TE
FE
P
D
RFMON
RFMON
B
A
F
D
C
RFP
E
CD_LD
DVD_LD
PD
FD-
FD+
TD-
TD+
FD+
FD-
TD+
TD-
SLB-
SLB+
SLA-
SLA+
PI/CE
PI/CE
L
D
O
N
M
IR
R
SLA+
SLB+
SLB-
SLA-
B
A
F
RF
GND
VC
VCC
C
D
E
PD
VR
SW
LD GND
DVD LD
CD LD
N.C
FCS+
FCS-
TRK+
TRK-
AGND
RFAC
AGND
AVC
AVC
MIRR
TE
FE
A5V
A5V
SDEN
DATA_RF
CLK_RF
LDON
A3V
RFMON
INLIM
LDSEL
VCC
SPDL+
SPDL-
SLEDA+
SLEDA-
SLEDB+
SLEDB-
TD+
TD-
FD+
FD-
SLEDA+
SLEDB+
SLEDA-
SLEDB-
LED
GND
INLIM
SPDL-
SPDL+
INLIM
INLIM_3V
{LIMIT-SW(A)}
{LIMIT-SW(B)}
{LIMIT-SW(B)}
PI
FOCUS/TRACKING ERROR AMP
CD/DVD/SACD RF AMP,
AUTOMATIC POWER
CONTROL
(FOR DVD)
AUTOMATIC POWER
CONTROL
(FOR CD)
FLEXIBLE
BOARD
47µH
47µH
(Page 44)
HCD-C770/C990
40
40
7-9. PRINTED WIRING BOARDS – CHANGER Section –
•
See page 37 for Circuit Boards Location.
RELAY BOARD
IC701
IC721
IC711
2
3
1
4
1
1
2
1
3
B
DVD BOARD
CN006
4
3
G
2
1
1
ROTARY ENCODER
(STOCKER POSITION)
1-685-012-
11
(11)
1
9
2
1
4
3
2
1
SW (2) BOARD
3
1
(DISC IN (8cm))
S713
(DISC IN (8/12cm))
(ON: Play position)
S714
(ON: Play position (8cm disc only))
1-685-009-
11
(11)
SW (1) BOARD
SENSOR BOARD
IC751
MODE MOTOR BOARD
ROLLER MOTOR BOARD
STOCKER MOTOR BOARD
SW (3) BOARD
2
1
1
1-685-010-
11
(11)
OFF: When disc out
from play position
from play position
S715
4
1
4
SW (4) BOARD
(DISC OUT)
S716 (STOCKER IN/OUT)
OFF: The moment disc in/out
from stocker
from stocker
S717 (DISC POSITION)
In the midst disc is moving between
play position and stocker,
ON: disc is play position side,
OFF: disc is stocker side
play position and stocker,
ON: disc is play position side,
OFF: disc is stocker side
S718 (STOCKING)
OFF: In the midst disc is moving between
play position and stocker
play position and stocker
1-685-011-
11
(11)
3
1
(DISC INSERT (8/12cm))
(ON: When disc insert)
1-685-008-
11
(11)
1
2
M
(STOCKER)
1-685-006-
11
(11)
K
A
E
C
3
1
1-685-004-
11
(11)
M
(MODE)
1 2 G 3 4
ROTARY ENCODER
(MODE)
7
1
1-685-005-
11
(11)
M
(ROLLER)
1
2
1-685-007-
11
(11)
6
5
5
6
3
2
1
A
B
C
D
E
F
1
2
3
4
5
6
7
8
1
1
9
9
DISC INSERT
DETECT SENSOR
E
• Semiconductor
Location
Ref. No.
Location
D701
D-5
D711
E-6
D721
E-5
IC701
D-5
IC711
E-5
IC721
D-5
IC751
F-4
Q731
E-4
(Page 42)
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