Sony STR-DG800 (serv.man2) Service Manual ▷ View online
STR-DG800
49
49
STR-DG800
• Formas de Ondas
— Placa DIGITAL —
— Placa DIGITAL —
1
IC1301
qd
(CKOUT)
2.1 Vp-p
1.8 Vp-p
1V/DIV, 50nsec/DIV
3
IC1301
wa
(XOUT)
1V/DIV, 50nsec/DIV
4
IC1501
9
(MCLK1)
0.6 Vp-p
1V/DIV, 50nsec/DIV
2
IC1301
qf
(BCK)
2.4 Vp-p
1V/DIV, 0.2
µ
sec/DIV
13.9 MHz
12.288 MHz
3.07 MHz
12.288 MHz
5
IC1501
qs
(MCLK2)
1.1 Vp-p
2.2 Vp-p
1V/DIV, 50nsec/DIV
7
IC1101
id
(X1)
1V/DIV, 50nsec/DIV
6
IC1501
qf
(SCKOUT)
2.5 Vp-p
1V/DIV, 50nsec/DIV
24 MHz
12.288 MHz
13.9 MHz
— Placa DISPLAY—
3.5 Vp-p
2V/DIV, 0.2
µ
sec/DIV
8 MHz
1
IC100
3
(XOUT)
— Placa VIDEO —
1
IC3701
1
(CERA)
0.5V/DIV, 0.2
µ
sec/DIV
3
IC3701
wk
(X443/358)
0.5V/DIV, 0.5
µ
sec/DIV
0.2 Vp-p
2
IC3701
wh
(XNTSC)
0.5V/DIV, 0.2
µ
sec/DIV
4.43 MHz
0.18 Vp-p
0.15 Vp-p
500 kHz
3.5795 MHz
IC400 µPC2581V-S (PLACA PRINCIPAL (3/4))
IC500 µPC2581V-S (PLACA PRINCIPAL (3/4))
IC600 µPC2581V-S (PLACA PRINCIPAL (4/4))
IC700 µPC2581V-S (PLACA PRINCIPAL (4/4))
IC500 µPC2581V-S (PLACA PRINCIPAL (3/4))
IC600 µPC2581V-S (PLACA PRINCIPAL (4/4))
IC700 µPC2581V-S (PLACA PRINCIPAL (4/4))
• Diagramas em Blocos do IC
IC1301 LC890561W (PLACA DIGITAL (1/5))
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
+VOUT1
MUTE
–VOUT1
NF1
COMP1
COMP2
IN1
GND
IN2
NF2
–VOUT2
+VOUT2
VCC
VCC
VEE
DRIVE
37
CE
38
CLK
39
XSEL
40
MODE0
41
MODE1
42
DGND
43
DVDD
44
DOSEL0
45
DOSEL1
46
CKSEL0
47
CKSEL1
48
XMODE
36
DI
MICRO
CONTROLLER
35
DO
34
ERROR
33
BPSYNC
32
VREF
31
DGND
30
DVDD
29
VF/DATAO2
28
F2/DLMP
27
F1/FSB1
26
F0/FSB0
25
CSFLAG
1
DISEL
2
DOUT
3
DIN0
4
DIN1
5
DIN2
6
DGND
7
DVDD
8
SDIN
9
AGND
10
LPF
11
AVDD
12
AGND
23 EMPHA
22 XIN
24 AUDIO
21 XOUT
20 XMCK
19 DVDD
18 DGND
17 XSTATE
16 DATAO
15 LRCK
14 BCK
13 CKOUT
PA,PB DETECT
REGULATOR
FS CALCULATION
AMP
CLOCK
SELECTOR
DATA SELECTOR
DATA SELECTOR
BUFFER RAM
INPUT SELECTOR
PLL
DEMODULATION
&
LOCK DETECT
C-BIT DETECT
50
STR-DG800
IC1302 TC74ACT153F(EL) (PLACA DIGITAL (1/5))
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
2G
2C3
2C2 2C1 2C0
2Y
VCC
2C3
2C2 2C1 2C0
STROBE
2G
OUTPUT
2Y
A
SELECT
DATA INPUTS
B
B
A
A
B
B
A
A
1G
1C3 1C2
1C1 1C0
1Y
STROBE
1G
B
SELECT
1C3 1C2
1C1
1C0
OUTPUT
1Y
GND
DATA INPUTS
IC1401 PCM1800E/2K (DIGITAL BOARD (3/5))
SINGLE-END
DEFERENTIAL
CONVERTER
REFERENCE
SINGLE-END
DEFERENTIAL
CONVERTER
DIGITAL
MODULATOR
DIGITAL
MODULATOR
1/64
DECIMATION
FILTER
&
LOW-CUT
FILTER
CLOCK/
TIMING CONTROL RESET/
POWER CONTROL
SERIAL I/O
INTERFACE
&
MODE/FORMAT
CONTROL
LIN
V REF 1
REFCOM
V REF 2
RIN
RSTB
FMT0
BYPASS
FMT1
MODE1
MODE0
FSYNC
1
2
3
4
5
6
8
7
9
11
10
12
AGND
VCC
C PL
C NL
C PR
C NR
DGND
SYSCL
K
DOUT
BCK
LRCK
VDD
24
23
22
21
20
19
17
16
15 14 13
18
51
STR-DG800
IC1452 PCM1609APT (PLACA DIGITAL (3/5))
IC1601 SN74HC595ANSR (PLACA DIGITAL (4/5))
IC1602 SN74HC595ANSR (PLACA DIGITAL (4/5))
IC1602 SN74HC595ANSR (PLACA DIGITAL (4/5))
SYSTEM
CLOCK
MANAGER
FUNCTION
CONTROL
INTERFACE
SERIAL
INPUT
INTERFACE
4X/8X
OVER SAMPLING
DIGITAL
FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTI-
LEVEL
DELTA-
SIGMA
MODULE
ZERO DETECT
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
RST
SCKI
SCKO
BCK
TEST
VDD
DGND
DATA1
DATA2
DATA3
ZEROA
LRCK
37
38
39
40
42
43
44
45
46
47
48
41
ZERO1
ZERO2
ZERO3
ZERO4
ZERO5
ZERO6
NC
NC
VOUT6
VOUT5
VOUT4
VOUT3
1
2
3
4
5
6
7
8
9
10
11
12
VOUT2
VOUT1
VCOM
VOUT7
AGND5
VCC5
AGND6
VOUT8
AGND4
VCC4
AGND3
VCC3
13
14
15
16
17
18
19
20
21
22
23
24
ML
MC
MDI
MDO
ZERO8
D
ATA
4
ZERO7
NC
VCC1
AGND1
VCC2
AGND2
36 35 34 33
31
32
30
29
28
27
26
25
1
2
3
4
5
6
7
8
9
10
16
15
14
13
12
11
SHIFT REGISTER
LATCH
PARALLEL DATA
OUTPUT
GND
VCC
LATCH
CLOCK
PARALLEL DATA
OUTPUT
SERIAL DATA
INPUT
OUTPUT
ENABLE
SHIFT
CLOCK
SERIAL DATA
OUTPUT
RESET
QB
QC
QD
QE
QF
QG
QH
SQH
A
QA
IC3253 LA7213 (PLACA VIDEO(1/2))
IC3731 LA7213 (PLACA VIDEO (1/2))
IC3731 LA7213 (PLACA VIDEO (1/2))
1
SYNC
SEP
V-SYNC
SEP
2 3
4
5
V IN
HD
VSS
VD
VDD
52
STR-DG800
IC3321 LA7106M-TLM (PLACA VIDEO (1/2))
IC3671 LA7106M-TLM (PLACA VIDEO (2/2))
IC3671 LA7106M-TLM (PLACA VIDEO (2/2))
IC3601 CXD2064Q (PLACA VIDEO (1/2))
37
FIN
38
CKSL
39
PLSL
40
MCKO
41
ADCK
42
CPO
43
PLVS
44
VCV
45
PLVD
46
CLVD
47
CLPEN
48
CLVS
1
CLPO
2
ADIN
3
RB
4
ADVS
5
ADVD
6
RT
7
ACO
8
DAVD
9
AYO
10
DAVS
11
VG
12
VRF
24 DTR
23 PNR
22 VEH1
21 VEH2
20 VEH3
19 MOD1
18 DVSS
17 MOD2
16 DVDD
15 TEST
14 VB
13 IRF
36
DVSS
35
TEST
34
DVDD
33
TEST
32
TEST
31
TRAP
30
APCN
29
DVSS
28
TEST
27
DVDD
26
NTPL1
25
NTPL2
A/D
1/2
D/A
DL
CLAMP
NTSC: 1H
PAL : 2H
NTSC: 1H
PAL : 2H
LOGICAL OPERATION
ADAPTIVE
FILTER
OPERATION
+
+
–
+
–
+
D/A
VERTICAL CONTOUR
ACCENTUATION CIRCUIT
VCO
1/4
4fsc
PHASE
COMPARATOR
1
VIN1+
2
NFB1
3
MUTE1
4
VIN2+
5
NFB2
6
–VCC1
7
VIN3+
8
NFB3
16 +VCC
15 VOUT1
14 GND
13 VOUT2
12 DR CTL
11 VOUT3
10 MUTE2
9
–VCC2
6dB
AMP
75Ω
DRIVER
6dB
AMP
75Ω
DRIVER
6dB
AMP
75Ω
DRIVER
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