Sony MHC-W77AV / STR-W77 Service Manual ▷ View online
– 9 –
36
VOL IN A
I
Volume encoder input.
37
JOG IN A
I
JOG dial encoder input.
38
RDS CLK
I
Not uset.
39
AUB IN
I
Audio bus output.
40
VSS
–
Ground.
41
RDS DATA
I
Not uset.
42
D 3
I/O
System control data signal input / output.
43
D 2
I/O
System control data signal input / output.
44
D 1
I/O
System control data signal input / output.
45
D 0
I/O
System control data signal input / output.
46
VDD
–
Power supply +5V.
47
SIRCS IN
I
SIRCS signal input.
48
VOL IN B
I
Volume encoder input.
49
JOG IN B
I
JOG dial encoder input.
50
ST FM
O
BAND select output.
51
ST MUTE
O
52
EMG OUT
O
Urgent signal standby output. “H” : standby
53
EMG IN
I
Urgent signal start input. “H”
n “L” : start
57 – 78
P 32 – P 8
O
Segment output to FL501.
79
VG
–
Power supply for fluorescent indicator tube.
80 – 86
P 7 – P 1
O
Segment output to FL501.
87 – 100
14 G – 1 G
O
Grid output for FL501.
Pin No.
Pin name
I/O
Description
FM Receiving
AM Receiving
MUTE
%º pin
H
L
H
%¡ pin
L
L
H
– 35 –
SECTION 6
EXPLODED VIEWS
NOTE :
r
-XX, -X mean standardized parts, so they may
have some difference from the original one.
have some difference from the original one.
r
Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
delay should be anticipated when ordering these
items.
r
The mechanical parts with no reference num-
ber in the exploded views are not supplied.
ber in the exploded views are not supplied.
r
Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
packing materials are given in the last of this
parts list.
The components identified by mark
!
or dotted line with mark
! are critical
for safety.
Replace only with part number speci-
fied.
Replace only with part number speci-
fied.
Les composants identifiés par une
marque
marque
! sont critiques 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.
r
Abbreviation
CND : Canadian
CND : Canadian
SP
: Singapore
AUS : Australian
HK
: Hong Kong
AR
: Argentine
JE
: Tourist
TH
: Thailand
EA
: Saudi Arabia
MY
: Malaysia
E2
: Tuner sections SW band do not exist.
E3
: Tuner sections SW band exist.
6-1. CHASISS SECTION
1
2
3
4
7
9
8
8
8
6
6
6
5
12
13
14
15
16
18
19
20
21
21
21
21
21
22
22
22
24
23
25
11
10
#1
#1
#1
#2
#2
#2
#2
#2
#3
#3
#3
#3
#3
#3
#4
#4
#4
#4
#5
#5
M601
E801
F851
F853, 854.
855, 856
855, 856
F852
T801
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
S851
E, EA, MY, SP,
HK, AR, JE model
HK, AR, JE model
US, CND model
E, EA, MY, SP,
HK, AR, JE model
HK, AR, JE model
E, JE model
E3, JE model
AUS model
TH model
HK model
EA, MY, SP,
AR, HK model
AR, HK model
EA, MY, SP model
– 36 –
! 21
1-574-805-11
CORD, POWER (EA,MY,SP,HK,AR)
! 21
1-575-653-11
CORD, POWER (E,JE)
! 21
1-575-975-11
CORD, POWER (US,CND)
! 21
1-690-608-11
CORD, POWER (AUS)
! 21
1-751-326-31
CORD, POWER (TH)
! 22
1-569-007-11
ADAPTER, CONVERSION 2P (E3,JE)
! 22
1-569-008-11
ADAPTER, CONVERSION 2P (EA,MY,SP)
! 22
1-770-019-11
ADAPTOR, CONVERSION PLUG 3P (HK)
*
23
4-980-659-01
PLATE, JACK (US)
*
23
4-980-659-11
PLATE, JACK (CND)
*
23
4-980-659-21
PLATE, JACK (E,EA,AR,JE)
*
23
4-980-659-31
PLATE, JACK (AUS)
*
23
4-980-659-41
PLATE, JACK (HK)
*
23
4-980-659-51
PLATE, JACK (MY,SP)
*
23
4-980-659-71
PLATE, JACK (TH)
24
4-909-982-11
SCREW, TAPPING
*
25
3-701-946-15
LABEL, FUSE RATING (3.15A/250V) (US,CND)
*
25
3-701-946-14
LABEL, FUSE RATING (2.5A/250V)(US)
E801
4-942-204-01
PLATE, GROUND
! F851
1-532-388-51
FUSE, TIME LAG (T2AL) (TH,AUS)
! F851
1-532-504-51
FUSE, TIME LAG (T4AL)
(EXCEPT US,CND,TH,AUS)
! F851
1-576-109-11
FUSE (5A/125V) (CND)
! F851
1-576-110-11
FUSE (6A/125V) (US)
! F852
1-532-388-51
FUSE, TIME LAG (T4AL) (E,EA,MY,SP,HK,AR,JE)
! F853
1-532-465-51
FUSE, TIME LAG (T3.15AL) (EXCEPT US,CND)
! F853
1-576-107-11
FUSE (3.15A/250V) (US,CND)
! F854
1-532-465-51
FUSE, TIME LAG (T3.15AL) (EXCEPT US,CND)
! F854
1-576-107-11
FUSE (3.15A/250V) (US,CND)
! F855
1-532-465-51
FUSE, TIME LAG (T3.15AL) (EXCEPT US,CND)
! F855
1-532-781-41
FUSE, MICRO (3.15A) (US)
! F855
1-576-107-11
FUSE (3.15A/250V) (CND)
! F856
1-532-465-51
FUSE, TIME LAG (T3.15AL) (EXCEPT US,CND)
! F856
1-576-107-11
FUSE (3.15A/250V) (CND)
! S851
1-572-367-11
SWITCH, VOLTAGE SELECTOR
(E,EA,MY,SP,HK,AR,JE)
M601
1-698-651-11
FAN, DC (TH)
M601
1-698-792-11
FAN, DC (EXCEPT TH)
! T801
1-429-533-11
TRANSFORMER, POWER (US,CND)
! T801
1-429-534-11
TRANSFORMER, POWER (EXCEPT US,CND)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
–––––––
–––––––
––––––––––
–––––––
–––––––
–––––––
––––––––––
––––––
1
4-978-037-11
KNOB (M)
*
2
3-703-244-00
BUSHING (2104), CORD (EXCEPT E, TH, JE)
2
3-703-571-11
BUSHING (S) (4516), CORD (TH)
2
4-966-266-01
BUSHING (S) (FBS002), CORD (E,JE)
*
3
1-660-120-11
CONNECTION BOARD
*
4
A-4389-758-A POWER (B) BOARD, COMPLETE (US)
*
4
A-4390-467-A POWER (B) BOARD, COMPLETE (CND)
*
4
A-4390-470-A POWER (B) BOARD, COMPLETE
(E,EA,HK,AR,AUS,JE)
*
4
A-4390-473-A POWER (B) BOARD, COMPLETE (MY)
*
4
A-4390-476-A POWER (B) BOARD, COMPLETE (SP)
*
4
A-4390-768-A POWER (B) BOARD, COMPLETE (TH)
*
5
A-4389-757-A POWER (A) BOARD, COMPLETE (US)
*
5
A-4390-466-A POWER (A) BOARD, COMPLETE (CND)
*
5
A-4390-469-A POWER (A) BOARD, COMPLETE
(E,EA,HK,AR,AUS,JE)
*
5
A-4390-472-A POWER (A) BOARD, COMPLETE (MY)
*
5
A-4390-475-A POWER (A) BOARD, COMPLETE (SP)
*
5
A-4390-767-A POWER (A) BOARD, COMPLETE (TH)
6
3-704-366-01
SCREW (CASE) (M3X8)
7
4-979-348-71
CASE (EXCEPT MY,SP)
7
4-979-348-91
CASE (MY,SP)
8
1-533-293-11
FUSE HOLDER
*
9
1-660-119-11
TRANSFORMER SECONDARY BOARD
*
10
1-658-764-11
TRANS (A) BOARD
*
11
4-949-235-01
HOOK
*
12
1-660-122-11
SP BOARD
*
13
A-4389-756-A MAIN BOARD, COMPLETE (US)
*
13
A-4390-465-A MAIN BOARD, COMPLETE (CND)
*
13
A-4390-468-A MAIN BOARD, COMPLETE (E,EA,HK,AR,AUS,JE)
*
13
A-4390-471-A MAIN BOARD, COMPLETE (MY)
*
13
A-4390-474-A MAIN BOARD, COMPLETE (SP)
*
13
A-4390-766-A MAIN BOARD, COMPLETE (TH)
14
A-4303-547-A TCB BOARD, COMPLETE (US,CND)
14
A-4303-499-A TCB BOARD, COMPLETE (E3,EA,MY,SP,HK)
14
A-4303-526-A TCB BOARD, COMPLETE (E2,AR,AUS)
14
A-4303-528-A TCB BOARD, COMPLETE (JE)
14
A-4304-992-A TCB BOARD, COMPLETE (TH)
*
15
1-659-506-11
VOLTAGE SW BOARD (E,EA,MY,SP,HK,AR,JE)
*
16
1-660-121-11
SENSOR BOARD
*
18
4-880-403-11
HEAT SINK
The components identified by mark
! or dotted line with mark ! are criti-
! or dotted line with mark ! are criti-
cal for safety.
Replace only with part number speci-
fied.
Replace only with part number speci-
fied.
Les composants identifiés par une
marque
marque
! sont critiques 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.
– 37 –
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
–––––––
–––––––
––––––––––
–––––––
–––––––
–––––––
––––––––––
––––––
6-2. FRONT SECTION
4
A : JOY ENCODER board
4
B : VOL ENCODER board
51
52
53
54
55
60
57
58
58
58
59
56
56
F501
(including
4
A, B)
4
B
4
A
supplied with
S551
S551
supplied
with S552
with S552
51
X-4946-930-1
PANEL ASSY, FRONT
52
4-930-336-21
FOOT (FELT)
53
4-978-034-11
KNOB (V)
54
4-978-035-02
KNOB (J)
55
4-962-708-01
EMBLEM (4-A), SONY
*
56
4-932-810-01
CUSHION (FL)
*
57
4-971-014-01
HOLDER, FL TUBE
58
4-951-620-01
SCREW (2.6X8), +BVTP
*
59
A-4389-762-A PANEL BOARD, COMPLETE (US,CND)
*
59
A-4389-767-A PANEL BOARD, COMPLETE (E3,EA,MY,SP,HK)
*
59
A-4389-768-A PANEL BOARD, COMPLETE (E2)
*
59
A-4390-477-A PANEL BOARD, COMPLETE (AR)
*
59
A-4390-479-A PANEL BOARD, COMPLETE (AUS)
*
59
A-4390-591-A PANEL BOARD, COMPLETE (JE)
59
A-4390-762-A PANEL BOARD, COMPLETE (TH)
*
60
4-978-036-05
HOUSE, LAMP
FL501
1-517-483-11
INDICATOR TUBE, FLUORESCENT
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