Sony DAV-C770 / HCD-C770 / HCD-C990 Service Manual ▷ View online
HCD-C770/C990
69
69
(Page 42)
7-38. PRINTED WIRING BOARDS – POWER Section (2/2) –
•
See page 37 for Circuit Boards Location.
IC902
IC909
IC904
IC903
IC908
IC905
IC901
H
DVD BOARD
CN008
J
AMP BOARD
CN300
E
3
E
E
E
E
PC901
(US, CND)
1
5
(CHASSIS)
(AEP, AUS)
T901
POWER
TRANSFORMER
1
5
1
5
(CHASSIS)
(US, CND)
1
2
(AEP, UK)
1
2
2
1
(AC IN)
P
DDCON
BOARD
BOARD
CN807
POWER
E
E
E
1
5
E
E
IC906
POWER BOARD
(CONDUCTOR SIDE)
1-685-080-
11
(11)
(COMPONENT SIDE)
POWER SW BOARD
POWER SW BOARD
(CONDUCTOR SIDE)
1-685-081-
11
(11)
1-685-081-
11
(11)
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
E
K
A
E
C
3
2
1
(AEP, AUS)
A
K
A
1
5
1
3
E
(Page 55)
• Semiconductor
Location
Ref. No.
Location
D902
D-5
D904
E-1
D905
F-3
D906
E-2
D907
F-2
D908
F-3
D911
C-3
D912
D-2
D913
B-4
D914
B-3
D915
A-4
D916
B-2
D917
A-3
D919
D-4
D920
D-4
D921
B-3
D931
E-3
D932
E-2
D933
F-2
D990
B-3
IC901
F-3
IC902
D-2
IC903
A-2
IC904
C-3
IC905
A-4
IC906
B-3
IC908
A-3
IC909
F-1
PC901
E-2
Q901
D-2
Q902
D-1
Q903
D-2
Q904
E-2
Q905
F-2
Q906
E-1
Q910
D-2
Q911
E-2
Q912
E-1
Q914
E-2
Q990
B-3
Q991
B-3
Q992
B-3
(Page 62)
HCD-C770/C990
70
70
7-39. SCHEMATIC DIAGRAM – POWER Section –
•
See page 76 for IC Block Diagrams.
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.
(Page 63)
CN903
L901
TH901
R918
R931
L905
L906
L910
L904
L903
C931
C930
C933
R925
L902
R924
C936
D921
L909
R915
C934
R933
R932
Q906
Q910
C924
Q903
R928
C927
R923
R935
C932
C925
Q911
R920
R919
C926
R917
Q901
D912
IC902
C921
C923
C918
D904
C941
R910
C913
D932
R914
D931
C914
D905
C938
C901
C905
C939
C904
R901
D919
D933
C909
C910
CN902
LF901
LF902
R912
R927
C937
R926
C922
Q914
Q912
CN904
C935
CNP911
CN900
CN901
C900
R900
R930
C902
F901
R934
D911
C917
Q905
IC903
IC906
IC908
R921
R922
Q902
R916
R913
C919
C915
D906
T901
PC901
S901
C912
D920
C911
C916
R907
IC901
D902
R905
C903
EB901
EB902
D908
R908
C942
L908
L911
L907
D913
IC904
R906
C929
D914
D916
C920
R909
R911
R936
R902
R904
R903
R929
R937
D915
C928
Q904
Q990
R942
R939
R940
R938
Q991
Q992
R943
D990
R941
IC909
D917
IC905
C946
D907
14P
2.7k
2.7k
1000
10V
0.1
1000
10V
180
560
0.1
11EQS04-TA
1B
180
0.1
10k
10k
DTC114EKA
DTC114EKA
2200
35V
DTC114EKA
10k
0.1
10k
100k
0.1
47
16V
DTC114EKA
100
15k
100p
2.7k
DTC114EKA
MTZJ-T-77
-6.2B
SE-B2
2200
35V
2200
35V
0.1
MTZJ-T-77
-6.8B
47
16V
4.7k
10000p
630V
MTZJ-T-77-22B
2.7k
MTZJ-T-77
-20B
47
50V
11EQS10
0.001
4.7
50V
50V
0.0047
2200p
220p
220
10E6N
11EQS10
2200p
250V
2200p
250V
2P
1.5k
1.0k
0.047
100k
0.001
2SC2412
2SC2412
5P
1000
16V
2P
2P
2P
0.1
275V
3.3M
1/2W
1/2W
3.3M
0.1
250V
100k
FML-22S
2200p
250V
2SD1616
SI-8050S
SI-8033JF
SI-8120JF
22k
6.2k
DTC114EKA
2.2
0.1
11EQS10
IC TLP421
10E6N
2200p
250V
4.7k
68k
3W
0.1
250V
SARS03
68k
3W
4.7
50V
MA111-TX
M51945BL
10k
100
10V
10V
FMB-G16L
FMB-G16L
47k
2W
3.9k
150k
0.15
1W
0.22
1W
0.15
1W
10
1k
11ES2
2200
35V
2SC2412K
2SB1640
1k
1k
15k
4.7k
2SC2412
2SC2412
1.8k
MA111-TX
10k
BA10358F
11ES2
BA05T
0.1
1SS133T-77
∗
∗
∗
∗
∗
∗
(CHASSIS)
V
C
C
IN
G
N
D
N
C
R
E
S
E
T
PGND
6.5V
DVD3.3V
E5.6V
MGND
DGND
DGND
AGND
P.CONT1
P.CONT2
RESET
12V
32V
P.CONT3
NC
32V
PGND
12V
A/D
(AC IN)
POWER
(US,CND)
(AEP,AUS)
∗
(US,CND)
F901
(AEP,AUS)
5A/125V
T3.15AL/250V
RECT
(A
E
P
,A
U
S
)
POWER
TRANSFORMER
RECT
ISOLATOR
REGULATOR
+20V
BUFFER
VCC
GND
Q912,914
OSC
(US,CND)
POWER CONTROL
Q901,903
POWER
ON/OFF
CONTROL
POWER
ON/OFF
CONTROL
Q902,906
POWER
ON/OFF
CONTROL
Q910,911
VOLTAGE
DETECT
O
G
I
+5.6V REGULATOR
+6.5V REGULATOR
REGULATOR
+3.3V
+12V REGULATOR
G
N
D
V
IN
S
W
O
U
T
V
O
S
O
N
/O
FF
G
N
D
V
IN
S
W
O
U
T
V
O
S
O
N
/O
F
F
G
N
D
V
IN
S
W
O
U
T
V
O
S
O
N
/O
F
F
SWITCHING
REF
C
GND
(US,CND)
(AEP,AUS)
1.2k
820
∗
(US,CND)
(AEP,AUS)
C919
470p
1000p
(CHASSIS)
∗
(US,CND)
(AEP,AUS)
C912
1000 200V
390 450V
∗
(US,CND)
(AEP,AUS)
D902
RBV-604
RBV-606
∗
(US,CND)
(AEP,AUS)
C916
(US,CND)
(AEP,AUS)
STR-F6238
(AEP,AUS)
STR-F6267
DETECT
VOLTAGE
Q990,991
B+ SWITCH
∗
(US,CND)
(AEP,AUS)
C920
2700p 630V
4700p 630V
2200p 1.5kV
470p 2kV
+6.8V
REGULATOR
(CHASSIS)
10µH
100µH
100µH
10µH
10µH
10µH
100µH
10µH
10µH
10µH
10µH
(Page 56)
(Page 53)
71
HCD-C770/C990
•
Waveforms
– RF Board –
1
IC001
1
(DVDRFP)
Approx.
1.2 Vp-p
1.2 Vp-p
4.6 Vp-p
29.5 ns
5 Vp-p
154 ns
Approx.
1.2 Vp-p
1.2 Vp-p
Approx.
50 mVp-p
50 mVp-p
Approx.
100 mVp-p
100 mVp-p
Approx.
400 mVp-p
400 mVp-p
qj
IC401
ua
(XTAI)
3
IC001
r;
(FE)
qk
IC701
<zzm
(RFIN)
4
IC001
tj
(RFAC)
qh
IC401
yj
(BCK)
ql
IC701
<zbz
(WFCK)
3.4 Vp-p
43.4
µ
s
2
IC001
el
(TE)
Approx.
100 mVp-p
100 mVp-p
Approx.
50 mVp-p
50 mVp-p
3.4 Vp-p
43.4
µ
s
qs
IC401
el
(FE)
qd
IC401
ra
(TE)
– DVD Board –
qa
IC401
0
(WFCK)
qf
IC401
t;
(RFAC)
Approx.
1.2 Vp-p
1.2 Vp-p
3.5 Vp-p
7.4
µ
s
qg
IC401
yg
(LRCK)
5 Vp-p
154 ns
w;
IC701
<zb,
(BCLK)
72
HCD-C770/C990
900 mVp-p
H
750 mVp-p
H
750 mVp-p
H
4.3 Vp-p
37 ns
5.3 Vp-p
43 ns
850 mVp-p
H
Approx.
100 mVp-p
100 mVp-p
4.5 Vp-p
29.5 ns
3 Vp-p
29.5 ns
3.5 Vp-p
7.4
µ
s
wa
IC701
<znc
(LRCK)
wj
IC301
yg
(TE)
ws
IC701
<zm/
(XTAL1)
es
IC206
<zxx
(VDAC 3) (NTSC Color Bars Play)
wd
IC801
qa
(MCKI)
wk
IC301
yj
(FE)
ed
IC206
<zxb
(VDAC 2) (NTSC Color Bars Play)
wf
IC801
qd
(EXCKO1)
Approx.
50 mVp-p
50 mVp-p
ea
IC206
<zz.
(VDAC 4) (NTSC Color Bars Play)
ef
IC206
<zx,
(VDAC 1) (NTSC Color Bars Play)
wh
IC301
ra
(EXTAL)
1.6 Vp-p
50 ns
wl
IC303
3
(MO1)
5 Vp-p
354 ns
wg
IC801
ys
(PHREFO)
3.7 Vp-p
37 ns
e;
IC303
8
(XTO)
1.3 Vp-p
H
eg
IC206
<zcz
(VDAC 0) (NTSC Color Bars Play)
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