Sony STR-DG800 (serv.man2) Service Manual ▷ View online
STR-DG800
17
17
STR-DG800
4-3. DIAGRAMA EM BLOCOS — SEÇÃO VIDEO —
• Signal path
: VIDEO
Y
P
B/
C
B/
B-Y
P
R/
C
R/
R-Y
Y
P
B/
C
B/
B-Y
P
R/
C
R/
R-Y
J3301 (1/2)
(ASSIGNABLE)
(ASSIGNABLE)
J3401 (2/3)
10
6
14
2
13
J3403 (1/2)
5
3
4
TV/SAT
IN
DVD
IN
VIDEO
IN
VIDEO
IN
COMPONENT
VIDEO
-1
-2
-3
-4
-5
-6
Y
P
R/
C
R/
R-Y
P
B/
C
B/
B-Y
J3301 (2/2)
MONITOR
OUT
COMPONENT
VIDEO
-7
15
75Ω
DRIVER
VIDEO
BUFFER
Q3601,3604
6dB AMP
1
3
1
75Ω
DRIVER
6dB AMP
-1
J3401 (1/3)
J3402 (1/2)
-8
-9
-2
VIDEO 1
J4091 (1/2)
VIDEO
-1
VIDEO 3 IN/
PORTABLE AV IN
DVD
VIDEO 2
TV/SAT
-2
VIDEO
IN
-1
VIDEO
OUT
VIDEO 1
-1
VIDEO
OUT
MONITOR
+7V
REG
IC3101
+VCC7V
3
1
+9V
REG
IC3102
+9V
SW1
SW2
COMP SW1
SIN
SOUT
LAT
CLK
OE
DATA
COMP SW2
UP SEL
UP SEL
SW3
SW4
VIDEO
CONTROL
VIDEO SELECT
IC3651
IC1601
D3431,3432
OR
VEE
-5V-3
VCC
+5V-3
+VCC
+15V
V1.OUT
M.OUT
11
75Ω
DRIVER
6dB AMP
V2.OUT
V1 IN
LD
TV
V3
V2 IN
SW2
SW4
SW3
SW1
SW2
SW3
SW4
SW1
SW5
INPUT SELECT
IC3431
9
J3402 (2/2)
VIDEO
IN
-2
7
OR
MUTE1
MUTE2
MUTE2
MUTE1
3
1
+5V
REG
IC3103
+5V-3
3
2
-5V
REG
IC3104
-5V-3
+VCC
-VCC
J2106 (2/2)
J2105 (1/2)
J2105 (2/2)
S-VIDEO
IN
-2
VIDEO 1
S-VIDEO
IN
-1
DVD
S-VIDEO
IN
-2
TV/SAT
13
3
5
10
6
14
2
15
75Ω
DRIVER
6dB AMP
1
75Ω
DRIVER
6dB AMP
13
3
5
10
6
14
2
15
75Ω
DRIVER
6dB AMP
1
75Ω
DRIVER
6dB AMP
Y
C
G
G
J2106 (1/2)
-1
VIDEO 1
Y
C
G
G
Y
C
G
G
Y
C
G
G
VEE
-5V-3
VCC
+5V-3
VEE
-5V-3
VCC
+5V-3
V1.OUT
M.OUT
V1.OUT
M.OUT
V1 IN
TV
LD
LD
7
9
V3
V2 IN
V2 IN
V1 IN
TV
LD
LD
SW2
SW4
SW1
SW5
SW2
SW4
SW1
SW5
SW2
7
9
V3
V2 IN
V2 IN
SW2
SW4
SW1
SW5
SW4
4
4
SW3
SW3
SW3
SW3
SW1
SW5
Y SWITCH
IC2101
C SWITCH
IC2102
D2102,2103
12
2
5
A
B
C
CS MUTE
11 10 9
6
HDMI
CONTROL
BUFFER
IC3141
IC1602 (1/2)
7
15
13
13
6
5
5
4
3
3
2
1
1
IC3731
RY3304
RY3302
RY3301
COMP SW1
COMP SW2
RY3303
1
2
SYNC
SEPARATION
38
39
34
37
36
32
18
30
16
14
21
22
24
1
26
28
23
VIDEO PROCESS
IC3701
Y VIDEO AMP
IC3721
1
15
VIDEO AMP
IC3321
7
4
13
6
7
3
11
UPCON
FUSE DETECT
MODEL/CSMUTE
UPCON CLK
D595 OE
D595 LAT
D595 CLK
D595 DATA
D595 LAT
D595 CLK
D595 DATA
OSD ON/OFF
CS MUTE
OSD ON
UP-MUTE
V-MUTE
V-MUTE
M-MUTE
12
12
11
11
14
9
1
3
12
4
1
2
15
3
6
11
64
63
14
SYSTEM
CONTROL
IC1101 (3/5)
33
34
88
89
89
87
86
S-VIDEO
OUT
-3
J3401 (3/3)
VIDEO
OUT
MONITOR
MONITOR
15
1
2
SYNC
SEPARATION
IC3253
SWITCH
Q3252
RELAY
DRIVER
Q3302
RELAY
DRIVER
Q3301,3304
14
15
1O
5
37
9
26
23
19 17
7
VIDEO
BUFFER
Q3651-3653
2
11
12
SYNC
SEPARATION
Q3701
2ND ROOM
TUNER/
AUDIO
SECTION
C
Y AMP
Q3621
Y AMP
Q3673,3674
C AMP
Q3675,3676
Y/C SEPARATION
IC3601
VIDEO MUTE CONTROL
IC3671
Y/C SELECT
IC3751
Y AMP
Q3631
MUTE
Q3677,3678
3
4
14
11 10 9 6
12
13
J2104
Y
C
G
A
B C
G
S-VIDEO
OUT
VIDEO AMP
Q3671,3672
SWITCH
Q3731
11
13
3
10
X3703
500kHz
X3701
3.5795MHz
X3702
4.43MHz
VSYNC
VI(B-Y)
VI(R-Y)
VO(B-Y)
VO(R-Y)
HSYNC
YOUT
VOUT1
VOUT2
VOUT3
SECAM REF
U2OUT
V2OUT
CERA
XNTSC
443/358
(B,Y) IN
(B,Y) OUT
(R,Y) IN
(R,Y) OUT
F IN
AD IN
MONITOR V/IN
MONITOR Y/IN
MONITOR C/IN
CVBS/Y IN
C IN
SCL
SCL
SDA
4
1
4
7
VIN3
VIN2
VIN1
VOUT3
AYO
PNR
NTPL1
MOD1
MOD2
ACO
VOUT2
VOUT1
Y PROCESS
Q3622,3623,3647
C PROCESS
Q3624,3632,3633
(Page 15)
STR-DG800
18 18
STR-DG800
4-4. DIAGRAMA EM BLOCOS — SEÇÃO KEY/DISPLAY/HDMI —
83
FL DISPLAY DRIVER
IC100
41
I
45
82
29
30
5
6
6
65
64
54
SW NETWORK
S100-107
RV103
MASTER
VOLUME
VOLUME
D101
MULTI CHANNEL
DECODING
56
51
49
28
27
77
+3.3V
(STBY)
X1
X0
SDA
SCL
SCL
POWER KEY
38 ADCC
FLASH1
FLASH2
MD2
MD0
RSTX
SDA
SCL
EEPROM
IC1131
AUTO
CAL MIC
J2000
D2014
X1101
24MHz
X101
8MHz
SIRCS
9
FL LAT
LATCH
CLK
RESET
DATA
19 P51
25
FL CLK
17 P17
24
FL RESET
9 RESET
15 P15
2 XIN
3 XOUT
37
P47
P97
I
P60
PD4
I
PD0
VOL ENC A
VOL ENC B
VOL ENC B
A/D2
SW NETWORK
S110-116
A/D1
1
3
31
32
21
22
RV104
INPUT
SELECTOR
TUNING A
TUNING B
TUNING B
1
3
RV105
TUNING
+/-
ENC A
ENC B
ENC B
1
3
1
REMOTE
CONTROL
RECEIVER
IC103
OUT
SIRCS
SYSTEM
CONTROL
IC1101 (4/5)
CNS504
S141
FLASH1
FLASH2
MD2
MD0
RESET
RESET
SCL
SDA
1
2
7
6
6
5
8
9
8
9
FLASH
PROGRAMMING
1
2
I
/ I
FL DATA
TUNER/
AUDIO
SECTION
E
39
40
FL101
VACUUM
FLUORESCENT
DISPLAY
RESET
IC1111
46
I
77
46
45
TONE EN A
TONE EN B
TONE EN B
1
3
RV101
TONE
+/-
LED
DRIVER
Q101
1
5
MIC AMP
IC2000
CTL(HDMI)
PRE(HDMI)
PRE(HDMI)
OEB(HDMI)
SI(HDMI)
HDMI
CONTROL
IC1602 (2/2)
7
6
6
5
4
77 A24
DATA2+
DATA2–
DATA2–
DATA1+
DATA1–
DATA1–
DATA0+
DATA0–
DATA0–
CLOCK+
CLOCK–
CLOCK–
SCL(5V)
SDA(5V)
SDA(5V)
HOT PLUG DET
CEC
+5V POWER
+5V POWER
DATA2+
DATA2–
DATA2–
DATA1+
DATA1–
DATA1–
DATA0+
DATA0–
DATA0–
CLOCK+
CLOCK–
CLOCK–
SCL(5V)
SDA(5V)
SDA(5V)
HOT PLUG DET
CEC
+5V POWER
+5V POWER
DATA2+
DATA2–
DATA2–
DATA1+
DATA1–
DATA1–
DATA0+
DATA0–
DATA0–
CLOCK+
CLOCK–
CLOCK–
SCL(5V)
SDA(5V)
SDA(5V)
HOT PLUG DET
CEC
+5V POWER
+5V POWER
CN5001
DVD IN
(ASSIGNABLE)
4
6
6
1
3
3
7
9
9
10
12
15
16
15
16
19
13
18
13
18
B24
A23
A23
B23
A22
B22
A22
B22
A21
B21
SCL2
SCL2
76
74
74
73
71
71
70
68
67
64
15 A14
B14
A13
A13
B13
A12
B12
A12
B12
A11
B11
OEB
S1
14
12
12
11
9
8
6
5
SCL1
SDA1
3
2
HPD1
80
25 Y4
Z4
Y3
Y3
Z3
Y2
Z2
Y2
Z2
Y1
Z1
26
28
28
29
31
31
32
34
35
SCL SINK
SDA SINK
38
39
HPD SINK
40
SDA2
HPD2
HPD2
63
62
CN5002
4
6
6
1
3
3
7
9
9
10
12
15
16
15
16
19
13
18
13
18
CN5003
4
6
6
1
3
3
7
9
9
10
12
15
16
15
16
19
13
18
18
1
LEVEL SHIFT
IC5004
HDMI RECEIVER/TRANSCEIVER
IC5001
ANALOG SWITCH
IC5005
5
4
5
3
7
1
6
3
4
42
21
1
POWER
CONTROL
4
2
1
+5.8V
REG
3
1
+3.3V
REG
IC5003
IC5006
HDMI+3.3V
+7V
IC5002
TV/SAT IN
(ASSIGNABLE)
MONITOR OUT
HDMI
(Page 15)
STR-DG800
19
19
STR-DG800
4-5. DIAGRAMA EM BLOCOS — SEÇÃO POWER —
8
12
11
DRIVE
POWER AMP
Q671-674
CURRENT
DETECT
Q675,676
RY240
RY2881
RY600
RY500
PRE DRIVER
IC600
IN 2
+VOUT2
-VOUT2
SPEAKERS
IMPEDANCE
USE 8-16Ω
R
L
FRONT B
L
SURROUND
SURROUND
BACK
CENTER
R
L
R
R
R-CH
R-CH
R-CH
R-CH
L-CH
R-CH
SL-CH
SBL-CH
R-CH
SR-CH
R-CH
SR-CH
R-CH
TUNER/
AUDIO
SECTION
F
RY911
RY802,803
AC1
AC2
F2
+3.3V
(STBY)
+2.6V
+5V-1
-7V
+7V
TU+10V
RECT
D921-924
T902
POWER
TRANSFORMER
D925
AC IN
DETECT
Q914
D926
AC IN
~
OVERLOAD
DETECT
D675,Q677
6
61
2
3
DRIVE
POWER AMP
Q521-524
CURRENT
DETECT
Q525,526
-30V
-30V REG
Q250
B- SWITCH
Q221,228,235
RELAY
DRIVER
Q911
PRE DRIVER
IC500
PRE DRIVER
IC700
IN1
+VOUT1
-VOUT1
OVERLOAD
DETECT
D525,Q527
8
12
11
DRIVE
POWER AMP
Q471-474
CURRENT
DETECT
Q475,476
PRE DRIVER
IC400
IN 2
+VOUT2
-VOUT2
OVERLOAD
DETECT
D475,Q477
RELAY
DRIVER
Q240
RELAY
DRIVER
Q600
RY700
TM602
RY400
RELAY
DRIVER
Q700
RELAY
DRIVER
Q400
69
66
62
PROTECTOR
D201-204
Q200-202,255,256
55
58
48
68
F1
-VCC
+VCC
-30V
OVERLOAD
DETECT
AMP
7
2
IC210
-B-1
-B
+3.3V/+2.6V
REG
4
5
+3.3V
2
IC1901
+5V-2
+5V
REG
1
3
IC1001
+3.3V
REG
1
3
IC1904
+9V
REG
1
3
IC1902
-15V
+15V
+7V
REG
1
3
IC260
-7V
REG
2
3
IC265
+5V
REG
1
3
IC1031
+B
+B-1
INVERTER
Q210
R-CH
R-CH
R-CH
-B-1 +B-1
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
RECT
D801,802
RECT
D865
D865
RECT
D866
D866
T901
POWER
TRANSFORMER
TM2880
R
FRONT A
L
R-CH
TM600
J4086
PHONES
HP-RY
SB-RY
FRONT RY
REAR-RY
C/SB RY
HP DETECT
HP-RY
HP DETECT
SB-RY
FRONT-RY
REAR-RY
C/SB RY
HP_RY
FRONT RY
REAR_RY
PROTECTOR
HP DETECT
P0WER RY
67
SP_B_RY
72
BRIDGEABLE RY
STOP
C/SB RY
SYSTEM
CONTROL
IC1101 (5/5)
PRE
DRIVE
PRE
DRIVE
D1110
D1108
D1107
D1111
TM601
C-CH
REAR RY
6
2
3
DRIVE
POWER AMP
Q721-724
CURRENT
DETECT
Q725,726
IN1
+VOUT1
-VOUT1
OVERLOAD
DETECT
D725,Q727
-B-1 +B-1
-B-1 +B-1
-B-1 +B-1
PRE
DRIVE
PRE
DRIVE
RELAY
DRIVER
Q500
RELAY
DRIVER
Q809
R861
R290
D290
D291
R860
F902
S901
-3
-2
-1
J911
AC OUTLET
R851
R852
D251
RELAY
SWITCH
F904
S901
220V
0V
127V
VOLTAGE
SELECTOR
B+ SWITCH
Q220,225
RELAY
DRIVER
Q2880
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
(Page 15)
STR-DG800
20 20
STR-DG800
para diagrama esquemático:
• Todos os capacitores estão em µF a menos que especificados.
• Todos os capacitores estão em µF a menos que especificados.
(p: pF)50 WV ou menores não são indicados, exceto para
os eletrolíticos e os de tântalo.
os eletrolíticos e os de tântalo.
• Todos os resistores estão em
Ω
e
1
/
4
W a menos que espe-
cificados diferentemente.
•
f
: componente interno
•
2
: resistor anti-chama
•
5
: fusistor.
•
C
: designação do painel
•
A
: linha +B
•
B
: linha - B
• Voltagens e formas de onda estão em DC, com relação ao
terra, em condição de ausência de sinal.
sem indicação : FM
sem indicação : FM
• Voltagens são obtidas com um VOM (impedância de entrada 10 M
Ω
).
Variações de voltagem são verificadas dentro de uma faixa
de tolerância
de tolerância
• As formas de ondas sao obtidas com um osciloscópio.
• Números circulados referem-se a formas de onda.
• Fluxos de sinais.
F
: TUNER (FM/AM)
L
: VIDEO (AUDIO)
I
: VIDEO
J
: CD (ANALOG)
c
: CD (DIGITAL)
para placas de circuito impresso:
• X
: representação das peças do lado componente
•
f
: componente interno.
•
: Representação visual das trilhas vista pelo lado do componente
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
C
B
Estes são omitidos
E
Q
B
Estes são omitidos
C
Q
Q
E
B
C
E
Nota:
Os componentes identifi-
cados com a marca
Os componentes identifi-
cados com a marca
0
são
críticos para a segurança.
Somente os substitua por
peças numéricas identi-
ficadas nesse manual.
Somente os substitua por
peças numéricas identi-
ficadas nesse manual.
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
4-6. LOCALIZAÇÃO DAS PLACAS DE CIRCUITO
Placa PRINCIPAL
placa DIGITAL
Placa DISPLAY
Placa POWER KEY
Placa ADCC
placa HP-VIDEO3
DC-SPEAKER A board
STANDBY board
placa SPEAKER B
placa S-VIDEO
placa VIDEO
placa HDMI SW
placa VIDEO (AU)
placa SELETOR AC
ESTAS NOTAS SE REFEREM AOS DIAGRAMAS E AS PLACAS DE CIRCUITO IMPRESSO.
(Notas adicionais estão descritas em cada seção.)
(Notas adicionais estão descritas em cada seção.)
Click on the first or last page to see other STR-DG800 (serv.man2) service manuals if exist.