Sony STR-V5550 / STR-V7770 Service Manual ▷ View online
— 9 —
PANEL Aging Mode
This mode is used for opening and closing the sliding panel continuously.
Setting the aging mode :
With the set at standby condition, press FLASH button, ENTER/NEXT button and STEREO/MONO button together.
The aging will start and sliding panel will follow aging sequence as described below.
The aging will start and sliding panel will follow aging sequence as described below.
• When problems occur ;
Aging stops and “AGING ERROR” is displayed on the fluorescent indicator tube.
• When no problems;
Aging is carried out repeatedly. After 65000 times, “AGING STOP” is displayed and aging stops.
Aging Sequence
Counts up
n
n
Panel open
Panel close
n
Stops for one second in the opened state
Stops for one second in the closed state
Each time the DISPLAY/DEMO button is pressed, the display switches as follows.
Aging @@@@@ (No. of agings carried out)
OP Max @.@@ (Maximum time taken for OPEN:In seconds)
OP Min @.@@ (Minimum time taken for OPEN:In seconds)
CL Max @.@@ (Maximum time taken for CLOSE:In seconds)
CL Min @.@@ (Minimum time taken for CLOSE:In seconds)
— 10 —
SECTION 4
DIAGRAMS
4-1. CIRCUIT BOARDS LOCATION
FRONT AV board
PANEL board
MAIN board
MOTOR board
DETECTOR board
MIC / ECHO board
POWER AMP board
SURR AMP board
(V7770 MODEL)
(V7770 MODEL)
SURR SPK board
PRIMARY board
ENCAPSULATED COMPONENT
SECONDARY board
HEADPHONE board
CONNECTOR board
(V7770 MODEL)
(V7770 MODEL)
LOADING PANEL board
STR-V5550/V7770
— 11 —
— 12 —
4-2. BLOCK DIAGRAMS
— MAIN SECTION —
5
3
2
1
SPEANA
SELECTOR
IC505
SPEANA
BPF FILTER
IC506
4
15
22
25
9 10
26
27
27
55
56
56
RESET
LED
ON/OFF
SWITCH
Q502-512
Q531-540
SWITCH
Q501
IC891
D504
D507
PANEL
LED
+5.6V
RESET
IC502
MIX
MIC 1
J6001
MIX
MIC 2
J6002
ECHO VOL
MUTE
Q183
SW
Q132
DBFB
SELECTOR
IC112
KEY
MATRIX
MULTI JOG
STATION
S653
VOLUME
S652
SLIDING
SENSOR
SENSOR
IC504,Q513
REMOTE
SENSOR
SENSOR
IC503
MUTE
SWITCH
Q121
DELAY/REVERB
SWITCH
Q401
35
36
16
41
94
SPEANA CONT
Y
Z
SPEANA0
SPEANA1
I2C DATA
I2C CLK
DATA OUT
DATA IN
LAT
CLK
ST MUTE
STREO
TUNED
AV IN
POWER ON/OFF
KEY0
I
KEY3
JOG A
JOG B
VOL A
VOL B
SENSOR IN
SIRCSN
GEQ DATA
VACS
Y1
Y2
Z1
Z2
4
16
17 f1
f2
15 f3
14 f4
13 f
LINE
IN
GEQ CLK
37
38
32
5
6
16
G0
G15
DATA
CLK
CS
RESET
MIC AMP
IC6001(2/2)
FL601
DISPLAY CONTROL
IC601
FLUORESCENT
INDICATOR
TUBE
15
14
13
7
6
1
RV6001(2/2)
MIC AMP
IC6001(1/2)
3
2
10
MASTER CONTROL
IC501
90
89
93
93
92
B
POWER
SECTION
COM DIN
ST L
COM DATA
ST CE
COM CLK
MUTE
STEREO
TUNED
POWER ON/OFF
FM/AM TUNER
TUNER UNIT IS
SUPPLIED AS
THE ASSEMBLED
BLOCK
• R CH: Same as L ch
• SIGNAL PATH
: FM
: AUDIO(AV INPUT)
: MD/VIDEO
: PB
: VIDEO(AV INPUT)
: REC
: CD
• SIGNAL PATH
: FM
: AUDIO(AV INPUT)
: MD/VIDEO
: PB
: VIDEO(AV INPUT)
: REC
: CD
20
C
POWER
SECTION
43
10
11
21
18
19
19
42
86
87
88
88
R-CH
R-CH
R-CH
AV SWITCH
Q6301
96
97
GEQ LAT
95
PRO-LOG LAT2
3
PRO-LOG DATA/LEVEL A
2
2
1
3
DBFB B2
5
DBFB B1
6
42
41
33
1
2
3
24
OSC1
CLK DATA
OSC2
DOLBY PRO-LOGIC
IC300
AMP
IC361
MUTE
Q361,371
32 34
VIDEO
L-CH
S/W
MUTE
L+R
S OUT
C OUT
TA MUTE
38
36
VOLUME
IC111(2/2)
40
AMP
IC113(2/2)
39
59
60
57
58
TA MUTE
LED
FL DATA
FL CLK
FL LAT
RESET
FL RESET
ACCUT
PANEL OPEN
PANEL CLOSE
X2
X1
X501
5MHz
46
49
50 54 51 53
52
47
X301
8MHz
X502
32kHz
XT2
XT1
7
50
I
54
57
I
70
72
73
.
.
.
82
83
84
85
13
14
M
M891
PANEL
MOTOR
PANEL
OPEN/CLOSE
S892
MOTOR
DRIVER
DRIVER
PRO-LOG CLK/LEVEL B
99
PRO-LOG LAT1
98
VF1
VF2
AC1
AC2
28
I
31
2
1
CN101
J6301
J101
TO
HTC-V5550
VIDEO
AUDIO L
AV INPUT
(VIDEO 2)
(VIDEO 2)
7
9
5
R-CH(REC R)
R-CH(CD R)
R-CH(PB R)
IIC DATA
IIC CLK
IIC CLK
AC1
AC2
6
17
13
14
16
69
65
DET
D131
68
SELECT
SWITCH
EQ
AMP
CD
V2
MD/V1
TC
TU
2
66
67
4
3
MICON
INTERFACE
30
MIC LEVEL
RV6001(1/2)
61
5
7
L IN
L OUT
31
C OP OUT
33
5
3
7
1
DELAY
IC401
DELAY/REVERB SWITCH
DELAY LEVEL SELECT
IC402
1
13
8
S OP OUT
12
I
1
64
I
61
59
I
33
31
I
23
S0
S35
SYSTEM
CONTROL
MD/
VIDEO 1
IN L
OUT L
15
EQ
IC111(1/2)
ENABLE
ENABLE2
R-CH
ECHO PROCESSOR
IC6002
8
1
LPF 2 OUT
LPF 2 OUT
LPF 1 IN
LPF 1 IN
CLOCK
4
9
3
5
15
10
1
2
11
14
13
12
V5550 ONLY
V7770 MODEL
STR-V5550/V7770
– POWER SECTION –
— 13 —
— 14 —
• R CH : Same as L ch
• SIGNAL PATH
: FM
: VIDEO (AV INPUT)
• SIGNAL PATH
: FM
: VIDEO (AV INPUT)
R-CH
R-CH
R-CH
R-CH
D751
D761
RY751
RY781
OVER LOAD
DET
Q952
OVER LOAD
SWITCH
Q851
POWER AMP
IC901
PROTECTOR
IC851
L-CH
L+R
S/W
VIDEO
TA MUTE
MUTE
POWER ON/OFF
HK,MY,SP,IA
AC
IN
PHONES
J755
SUPER WOOFER
VIDEO OUT
J781
FRONT
SPEAKER
TB751
M
M901
FAN
ST+10V
UNREG
+12V
+7V
+5.6V
+5V
D813
-7V
+B
-B
VG
R-CH
MOTOR
MUTE
SWITCH
Q901
MUTE
Q181
SWITCH
Q853
D852,853
PROTECTOR
VCC ON
MUTE
ST+10V
REG
IC804
VOLTAGE
SELECTOR
S871
VF1
VF2
AC1
AC2
T901
POWER
TRANSFORMER
MAIN
SECTION
B
16
8
1
4
3
1
6
7
2
20
15
SURR +B
SURR -B
RECT
D810,811
+7V REG
IC801
+5.6V REG
IC803
FAN MOTOR
REG
Q731,732
POWER ON
MUTE
Q852
RECT
D805-808
RECT
D801
D801
RECT
D802, 803
VG REG
Q801
3
1
3
1
3
2
-7V REG
IC802
VF1
VF2
AC1
AC2
L
D746
RY741
OVER LOAD
DET
Q4052
POWER AMP
IC4001(1/2)
REAR
SPEAKER
CENTER
SPEAKER
TB201
TB201
L
OVER LOAD
DET
Q4002
POWER AMP
IC4001(2/2)
1
10
R
+
–
+
–
RECT
D809
D809
+
–
MAIN
SECTION
C
S OUT
C OUT
REAR
SPEAKER
L
R
V7770 MODEL
V7770 MODEL
V5550 MODEL
18
13
• Abbreviation
HK : Hong Kong
SP : Singapore
MY : Malaysia
SP : Singapore
MY : Malaysia
IA : Indonesia
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