Sony STR-DA777ES / STR-V777ES / VUCD-777A Service Manual ▷ View online
5
REAR PANEL SECTION
1
DIGITAL jack
2
MONITOR OUT jack
3
VIDEO 1 jack
4
VIDEO 2 jack
5
DVD/LD jack
6
TAPE jack
7
MD/DAT jack
8
ANTENNA
9
PHONO jack
0
CONTROL A1
II
jack
qa
RS-232C
qs
VOLTAGE SELECRTOR switch
(E,PX model)
(E,PX model)
AC OUTLET
B
+
–
SPEAKERS
IMPEDANCE USE 4 - 16
Ω
FRONT
REAR
CENTER
A
L
R
L
R
L
R
R
L
R
L
R
IN
REC
OUT
OUT
IN
IN
OUT
IN
IN
IN
OUT
IN
CENTER
SUB WOOFER
REAR
FRONT
CENTER
SUB
WOOFER
REAR
FRONT
TV/
SAT
DVD/
LD
VIDEO 1
MONITOR OUT
VIDEO 2
REC
OUT
OUT
L
R
AUDIO
S-VIDEO
DVD/LD
IN COAX
IN COAX
CD
IN COAX
IN COAX
DVD/LD
IN OPT
IN OPT
TV/SAT
IN OPT
IN OPT
MD/DAT
IN OPT
IN OPT
MD/DAT
OUT OPT
OUT OPT
CD
IN OPT
IN OPT
MONITOR
CTRL S
IN
STATUS
IN
CTRL S
OUT
VIDEO 1
DVD/
LD
LD
TV/
SAT
SAT
VIDEO
L
2ND AUDIO OUT
PRE OUT
5.1CH INPUT
4 Ω
8
Ω
IMPEDANCE
SELECTOR
CONTROL
A1
TAPE
MD/
DAT
CD
L
SIGNAL GND
AM
y
y
F M 7 5
Ω
C O A X I A L
ANTENNA
PHONO
R
3
4 5 67
8 9
q;
1 2
qs
qa
wf
wd
qd
ws wa w;
ql qk qj
qh
qg
qf
qd
AC OUTLET
qf
Power cord
qg
IMPEDANCE SELECTOR switch
qh
FRONT SPEAKER terminal
qj
CENTER SPEAKER terminal
qk
REAR SPEAKER terminal
ql
CD jack
w;
2ND AUDIO OUT jack
wa
PRE OUT jack
ws
TV/SAT jack
wd
5.1CH INPUT jack
wf
CONTROL S jack
(US,Canadian model)
(US,Canadian model)
6
SECTION 2
ADJUSTMENT
RV4101
BIAS
BIAS BOARD
RV4101
BIAS
BIAS BOARD
RV4101
BIAS
BIAS BOARD
RV4101
BIAS
BIAS BOARD
RV4101
BIAS
BIAS BOARD
AMP BOARD
CN4153
CN4203
CN4103
CN4353
CN4303
Electrical adjustments
[BIAS adjustment]
Conditions : VOLUME
: MIN
Input signal
: No signal (no load)
Procedure : Adjust RV4101 on the BIAS board so that 10mV is
obtained across the CN4103, CN4153, CN4203,
CN4303 and CN4353 on the AMP board respectively.
CN4303 and CN4353 on the AMP board respectively.
STR-DA777ES/V777ES
7
7
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(SIDE B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(SIDE A)
the parts face are indicated.
For schematic diagrams.
Note:
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
%
: indicates tolerance.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
No mark : FM
No mark : FM
• 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.
• Circled numbers refer to waveforms.
• Signal path.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
J
: CD
c
: DIGITAL
I
: PHONO
• Abbreviation
CND :Canadian model
AUS
AUS
:Australian model
MY
:Malaysia model
SP
:Singapore model
CH
:Chinese model
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
• Waveform
DIGITAL Board
DISPLAY Board
For printed wiring boards.
Note:
Note:
• X
: parts extracted from the component side.
•
a
: Through hole.
• b
: Pattern from the side which enables seeing.
Note:
The components identified by
mark
The components identified by
mark
0
or dotted line with mark
0
are critical for safety.
Replace only with part number
specified.
specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont cri-
tiques pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
1
IC347
<z//
(CLKO)
2
IC357
3
(EXTAL)
3
IC352
qh
(XOUT)
3.8Vp-p
4.3Vp-p
4.8Vp-p
10MHz
20MHz
7.28MHz
IC348
<z//
(CLKO)
4
IC335
1
3Vp-p
12.288MHz
5
IC103
3
(EXTAL)
4Vp-p
20MHz
VIDEO3 Board
GEAR Board
JOG Board
DISPLAY Board
SP SEL Board
HP Board
MOTOR Board
BLUE LED Board
FUNCTION SW Board
DIGITAL Board
VOLUME Board
E VOL Board
AMP Board
PS Board
AC Board
CTRL-A1 Board
BIAS Board
SP TM Board
PHONO Board
AUDIO A Board
VOL SEL Board ( E, PX )
AUDIO V Board
C VIDEO Board
S VIDEO Board
3-1. CIRCUIT BOARDS LOCATION
SECTION 3
DIAGRAMS
STR-DA777ES/V777ES
8
8
3-2. BLOCK DIAGRAM MAIN SECTION
ANA CLK
11
A0
L
R
PHONO
R-CH
3
1
EQ AMP
IC1301
J1301
CD
L
R
L
R
OUTPUT
R-CH
R-CH
J1101
L
R
L
R
OUTPUT
R-CH
R-CH
J1102
INPUT
DAT/MD
L
R
INPUT
R-CH
TAPE
L
R
VIDEO3
J1201
L
R
L
R
DVD/LD
R-CH
R-CH
J102(1/2)
L
R
OUTPUT
R-CH
R-CH
TV/SAT
J1202
L
R
L
R
OUTPUT
R-CH
R-CH
L
R
INPUT
R-CH
INPUT
VIDEO 1
VIDEO 2
VIDEO3 IN
8
TAPE IN
3
TAPE OUT
10
DAT/MD IN
2
DAT/MD OUT
11
CD IN
4
PHONO IN
6
TUNER IN
7
5
COM
9
COM
12
REC COM
15
CLK
13
LAT
16
DAT
FUNCTION SWITCH
IC1101
7
5
IC1103
3
1
IC1104
CLOCK
DATA
FUNLAT
VIDEO1 IN
4
VIDEO1 OUT
8
VIDEO2 IN
2
VIDEO2 OUT
7
DVD/LD IN
3
TV/SAT IN
5
6
COM
9
REC COM
15
CLK
13
LAT
16
DAT
FUNCTION SWITCH
IC1201
CLOCK
DATA
FUNLAT
MUTE CONT
Q2602,2603
MUTE
Q2601
BUFFER
Q3156
6
7
IC2601
2
3
6
5
7
1
IC2602
IC342
IR LINK
DET
IC318
3
1
DVD
5
6
IC342
IR LINK
DET
IC319
3
1
TV
3
4
IC342
IR LINK
DET
IC331
3
1
MD
1
2
IC342
IR LINK
DET
IC337
3
1
CD
13
12
IR LINK
DET
IC332
2
3
MD-REC
+5D2
J301
DVD
(COAX)
IC330
3
5
IC334
3
5
J302
CD
(COAX)
IC330
1
7
IC334
1
7
D3
1
D6
13
D5
14
D4
15
D1
3
D2
2
D0
4
DATA SELECT
IC341
5
Y
4
1
2
IC343
ANA DATA
10
A1
9
A2
SYSTEM CONTROL
IC357(1/3)
DSEL A0
18
DSEL A1
19
DSEL A2
20
ANA DAT
11
MD RECO
10
ANA CLK
13
FUN LAT
17
4
1
2
IC364
DATA
CLOCK
FUN LAT
ADM
ANA DATA
A
(Page 9)
ANA DATA
ANA CLK
67
DIR RES
68
DIR LAT
70
DIG ANA
69
DIG ERR
72
DIG DAT
D312
37
DIR SIG
74
DIG DIN
71
DIG CLK
IC335
1
7
X301
12.288MHz
IC335
3
5
IC335
6
2
DIN0
3
XMODE
48
CE
37
ERROR
34
DI
36
DO
35
CLK
38
XIN
22
13
8
1
10
6
CLOCK DRIVER
IC336
16
DATAO
13
CK OUT
14
BCK
15
LRCK
IC363
2
4
DIR
IC349
11
15
13
17
4
6
2
9
5
7
3
16
14
18
1
19
IC346
A
B
INL M
15
INL P
56
PDD
16
MCKI
15
SCLKI
11
LRCKI
10
A/D CONV.
IC307
12
AD OUT
8
12
IC346
SDIA0
84
SDIA1
85
SDIB3
12
SDBCK0
83
SDWCK0
82
XI
8
47
SDOB0
DSP
IC354
46
SDOB1
45
SDOB2
18
SDOB3
14
2
4
6
10
12
13
3
5
7
9
11
IC351
DIGITAL L
LINE L
MCK
BCK
LRCK
BCK0
LRCK0
SIA
SIB
SIC
SID
B
(Page 9)
8
13
6
1
CLOCK DRIVER
IC362
MUTE
SI
68
SO
67
SCK
69
XCSA
66
XCSB
65
IS
62
43
ADC RES
80
ESRATE
75
DSOCSA
76
DSOCSB
77
DSORES
24
OE
23
LE
22
CLOCK
25
DATA
14
11
12
13
2
3
4
5
SHIFT
REGISTER
/LATCH
IC5203
1
SW1
SW2
SW3
SW4
SW5
J5103
INPUT
MONITOR
OUTPUT
J5102
OUTPUT
OUTPUT
INPUT
SW5
2
SW4
6
SW3
4
SW2
10
SW1
14
1
MON
13
V1 IN
15
V1 OUT
9
V2 IN
11
V2 OUT
5
LD IN
3
TV IN
7
V3 IN
V SWITCH
IC5101
SW1
SW2
SW3
SW4
SW5
J5101
TV/SAT
DVD/LD
VIDEO1
VIDEO2
J102(2/2)
V
VIDEO3
S
C
Y
C
Y
C
Y
J101
J5204
MONITOR
OUTPUT
INPUT
SW5
2
SW4
6
SW3
4
SW2
10
SW1
14
1
MON
13
V1 IN
15
V1 OUT
9
V2 IN
11
V2 OUT
5
LD IN
3
TV IN
7
V3 IN
C SWITCH
IC5202
SW1
SW2
SW3
SW4
SW5
C
Y
C
Y
J5203
OUTPUT
VIDEO1
C
Y
C
Y
J5202
INPUT
OUTPUT
VIDEO2
DVD/LD
TV/SAT
J5201
C
Y
SW5
2
SW4
6
SW3
4
SW2
10
SW1
14
1
MON
13
V1 IN
15
V1 OUT
11
V2 OUT
5
LD IN
3
TV IN
7
V3 IN
Y SWITCH
IC5201
SW1
SW2
SW3
SW4
SW5
9
V2 IN
IC2602
L
R
R-CH
AUDIO
OUTPUT
L
FM ANT
(75
Ω
)
AM ANT
R-CH
R
DATA
CE
CLOVK
DO
TUNED
STEREO
MUTING
+12V
+5V
DATA
TU LAT
CLOVK
TU DAT
TUNED
STEREO
MUTING
+5V
+12V
TM1401
1
3
IC1105
2ND AUDIO
19
CD IN
23
DAT/MD IN
27
TAPE IN
26
2ND AUDIO
22
2ND AUDIO
25
24
SORCE
15
CLK
13
LAT
16
DAT
CLOCK
DATA
FUNLAT
FUNCTION SWITCH
IC1102
MUTING
16
STEREO
32
TUNED
33
TU DAT
31
TU LAT
15
MUTING
STEREO
TUNED
TU DAT
TU LAT
RELAY DRIVE
RY1101
-15V
Q1101
: CD (DIGITAL)
: PHONO
• Signal Path
• RCH is omitted
: FM
: CD (ANALOG)
16
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