Sony STR-DE898 / STR-DE998 Service Manual ▷ View online
STR-DE898/DE998
21
21
STR-DE898/DE998
Ver. 1.1
4-6. BLOCK DIAGRAM — OSD SECTION —
• Signal path
: VIDEO
• Abbreviation
CND:Canadian model
KR : Korean model
TW : Taiwan model
25
2
17
19
23
26
9
27
26
11
10
10
26
21
I LINE
MEMORY
CNP3501
NTSC/
PAL
SIGNAL
GEN
4FSC
OSC
SERIAL
INPUT
CONTROL
VIDEO
SIGNAL
GEN
OUTPUT
CONTROL
DISPLAY
MEMORY
CONTROL
CG ROM
CHARACTER
VRAM
ANALOG
SW
COLOR
KILLER
KILLER
DYNAMIC
COMB
FILTER
DAC
7
DAC
ADC
DATA
CLK
CLK
LAT
MOD2
MOD1
MOD1
PNR
SYSTEM
CLOCK
CLOCK
NTPL2
Q3601,3604
(TEST)
1
2
4
V SYNC
H SYNC
TEST
TEST
DATA
XS
EXS
DE998
XNTSC
AD
IN
IN
15
4
9 10 11
MONITOR SELECTOR
IC3651
V OUT
C B A
Y OUT
C OUT
AYO
ACO
28 X443/358
36 SCL
37 SDA
5V-3
24
–(R,Y)
–(B,Y)
C
CVBS/Y
H SYNC
V SYNC
SECAM
ON SCREEN DISPLAY CONTROL
IC3501
Y/C SEPARATION
IC3601
MONITOR-V/OUT
23
SCPN
Y
U2
V2
Y
U2
V2
CPIN
–(B,Y)
–(R,Y)
CERA
Y
U2
V2
MONITOR-C/OUT
MONITOR-Y/OUT
VIDEO
SECTION
F
MONITOR-V/IN
MONITOR-Y/IN
MONITOR-C/IN
VIDEO
SECTION
E
LPF
Q3621,3622
LPF
Q3631,3632
13
12
2
1
5
3
86
RY3304
J3104 (1/2)
SYSTEM
CONTROL
IC1101 (4/5)
COMP_SEL1
COMP_SEL2
V_MUTE
UP_MUTE
87
M_MUTE
43
UPCON_DATA
RY3303
TV/SAT
IN
COMPONENT
VIDEO
-1
-2
-3
-4
-5
-6
DVD
IN
MONITOR
OUT
Y
J3104 (2/2)
-7
-9
-8
P
B
/C
B
/B-Y
P
R
/C
R
/R-Y
Y
Y
P
B
/C
B
/B-Y
P
B
/C
B
/B-Y
P
R
/C
R
/R-Y
P
R
/C
R
/R-Y
COMPONENT
VIDEO
UPCON_CLK 111
OSD_ON/OFF 108
64
40
66
1
2
IC3253
X3701
3.5795MHz
(US,CND,KR,TW MODEL)
X3703
500kHz
X302
4.43MHz
(EXCEPT US,CND,KR,TW MODEL)
DELAY LINE
IC3721
SYNC
SEP
RELAY
CONTROL
Q3302
RY3302
RY3301
VIDEO AMP
IC3321
UP CONVERTER
IC3701
MUTE1
MUTE2
RELAY CONTROL
Q3301,3304
H/V
SEPA
Q3701
SYNC DET
Q3252
1
8
4
5
VIDEO AMP
IC3741
SIN
SCLK
CS
SCLK
CS
DATA
CLK
LAT
CLK
LAT
Q3651-3653
8
11
3
9
12
2
106105107
11
10
9
3
4
7
32 34 39 38
30
14
5
13
11
13
15
12
4
1
3
10
1
11
18
1
4
13
7
7
10
3
15
6
11
24
4
23
22
22
7
21
16
22
10
CT3502
X3501
14.31MHz
COLOR
BURST
BURST
9
8
IC1141
BUFFER
OSD_DATA
OSD_CLK
OSD_LAT
MUTE CONTROL
Q3677,3678
SYNC DET
Q3731
IC2102 (1/2)
Q3502
AVCC
VCC
Q3503
Q3675,3676
Q3671,3672
VIDEO AMP
IC3671
Q3673,3674
UP CONVERT
SELECTOR
IC3751
POWER SW
Q3501
3
1
4
2
A
B
C
MUTE2
MUTE1
PLL
37
16
14
5
12
LINE
MEMORY
S/H
LINE
MEMORY
S/H
PLL
75Ω
DRIVER
75Ω
DRIVER
75Ω
DRIVER
EXCEPT US,CND,KR,TW MODEL
EXCEPT
DE898:
US,CND,
KR,TW
MODEL
DE898:
US,CND,
KR,TW
MODEL
75Ω
DRIVER
75Ω
DRIVER
75Ω
DRIVER
SYNC
SEPARATION
1
2
IC3731
14
SHIFT
UP
(Page 19)
(Page 19)
STR-DE898/DE998
22
22
STR-DE898/DE998
Ver. 1.1
4-7. BLOCK DIAGRAM — POWER SECTION —
8
12
11
DRIVE
POWER AMP
Q571-574
CURRENT
DETECT
Q575,576
RY240
RY2881
RY600
RY2880
PRE DRIVER
IC500
IN 2
+VOUT2
-VOUT2
SPEAKERS
IMPEDANCE
USE 8-16Ω
R
L
FRONT B
L
SURROUND
SURROUND
BACK
CENTER
R
R-CH
R-CH
R-CH
L-CH
R-CH
SL-CH
C-CH
R-CH
SBR-CH
R-CH
(IC700)
(IC700)
SR-CH
R-CH
TUNER/
AUDIO
SECTION
C
RY911
RY802,803
D251
F1
F2
-30V
+3.3V
(STBY)
+2.6V
+5V-1
-7V
+7V
TU+10V
-48V
RECT
D921-924
D925
D927
D926
D1001
+B SWITCH
Q912,913
D1110
D1111
D1107
D1108
OVERLOAD
DETECT
D575,Q577
6
23
2
3
DRIVE
POWER AMP
Q421-424
CURRENT
DETECT
Q425,426
-48V REG
Q235
+48V REG
Q220,225
RELAY
DRIVER
Q911
VOLTAGE
DETECT
Q921
PRE DRIVER
IC400
IN1
+VOUT1
-VOUT1
OVERLOAD
DETECT
D425,Q427
8
12
11
DRIVE
POWER AMP
Q671-674
CURRENT
DETECT
Q675,676
PRE DRIVER
IC600
IN 2
+VOUT2
-VOUT2
OVERLOAD
DETECT
D675,Q677
RELAY
DRIVER
Q240
RELAY
DRIVER
Q2880
RELAY
DRIVER
Q600
RY400
RELAY
DRIVER
Q400
RY700
R
L
R-CH
-30V
D290
D291
RELAY
DRIVER
Q700
21
18
42
PROTECTOR
D201-203
Q200-202,255,256
24
25
60
20
+5V
(STBY)
OVERLOAD
DETECT AMP
7
2
IC210
+48V
-B
+2.6V/+3.3V
REG
4
5
+3.3V
IC2102 (2/2)
5
6
2
IC1901
+5V-2
+5V
REG
1
3
IC1001
+3.3V
REG
1
3
IC1021
+5V
REG
1
3
IC1011
+10V
REG
1
3
IC1902
-15V
+15V
+7V
REG
1
3
IC260
-7V
REG
2
3
IC265
+5V
REG
1
3
IC1031
PROTECTOR
Q210
+B
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
-48V +48V
R-CH
R-CH
R-CH
RECT
D801,802
RECT
D865
D865
RECT
D851-854
T901
POWER
TRANSFORMER
TM2880
TM602 (1/2)
TM601
TM602 (2/2)
R
FRONT A
L
R-CH
J2501
PHONES
HP-RY
FRONT B RY
FRONT A RY
REAR-RY
CENTER RY
HP CTRL
HP-RY
HP CTRL
FRONT B RY
FRONT A RY
REAR-RY
CENTER RY
HP_RY
SP_A_RY
REAR_RY
PROTECTOR
HP_CTRL
PW-RY
5
SUB-T
19
SP_B_RY
45
BRIDGEABLE RY
VOLT_DETECT_STOP
CENTER_RY
SYSTEM
CONTROL
IC1101 (5/5)
PRE
DRIVE
PRE
DRIVE
SBL-CH
8
12
11
DRIVE
POWER AMP
Q471-474
CURRENT
DETECT
Q475,476
IN2
+VOUT2
-VOUT2
OVERLOAD
DETECT
D475,Q477
-48V +48V
-48V +48V
PRE
DRIVE
PRE
DRIVE
RELAY
DRIVER
Q2881
RELAY
DRIVER
Q809
R861
R862
R851
RELAY
SWITCH
SURROUND
BACK
(2ND ZONE)
-30V REG
Q250
F902
F904
240V 220V 120V
VOLTAGE SELECTOR
S901
T902
POWER
TRANSFORMER
AC IN
~
J911
AC
OUTLET
F901
EXCEPT E2 MODEL
EXCEPT E2,AR,KR,TW MODEL
AC IN
~
J911
AC
OUTLET
(DE898)
(DE998)
E2 MODEL
US,
CND
MODEL
F902
-1
-3
240V
220V
120V
0V
-2
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
• Abbreviation
CND: Canadian model
E2 : AC 120V area in E model
KR : Korean model
TW : Taiwan model
(Page 17)
STR-DE898/DE998
23
23
STR-DE898/DE998
Ver. 1.1
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted. (p: pF)
• All capacitors are in µF unless otherwise noted. (p: pF)
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.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltage 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.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
L
: VIDEO (AUDIO)
I
: VIDEO
J
: CD (ANALOG)
c
: CD (DIGITAL)
• Abbreviation
CND : Canadian model.
E2
E2
: AC 120V area in E model.
AR
: Australian model.
AUS
: Australian model.
SP
: Singapore model.
MY
: Malaysia model.
KR
: Korean model.
TW
: Taiwan model.
for printed wiring boards:
• X
: parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
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.
• Abbreviation
CND : Canadian model.
E2
E2
: AC 120V area in E model.
AR
: Australian model.
AUS
: Australian model.
SP
: Singapore model.
MY
: Malaysia model.
KR
: Korean model.
TW
: Taiwan model.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
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.
• Waveforms
— DIGITAL Board —
— VIDEO Board —
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
1
IC1301
qd
(CKOUT)
2.1Vp-p
2Vp-p
1V/DIV, 50nsec/DIV
3
IC1301
wa
(XOUT)
1V/DIV, 50nsec/DIV
4
IC1501
9
(MCLK1)
2.2Vp-p
1V/DIV, 50nsec/DIV
2
IC1301
qf
(BCK)
3.2Vp-p
1V/DIV, 0.2
µ
s/DIV
13.9MHz
12.288MHz
3.07MHz
12.288MHz
5
IC1501
qs
(MCLK2)
3.5Vp-p
1.8Vp-p
1V/DIV, 50nsec/DIV
7
IC1101
tj
(X1)
1V/DIV, 50nsec/DIV
6
IC1501
qf
(SCKOUT)
2.3Vp-p
1V/DIV, 50nsec/DIV
16.5MHz
12.288MHz
13.9MHz
1V/DIV, 20nsec/DIV (ON SCREEN: ON)
1
IC3501
8
(EXS)
2
IC3701
1
(CERA)
1.2Vp-p
1V/DIV, 2
µ
sec/DIV
500kHz
1.5Vp-p
14.31MHz
1V/DIV, 0.2
µ
sec/DIV
3
IC3701
wh
(XNTSC)
4
IC3701
wk
(X443/358)
1.6Vp-p
1V/DIV, 0.2
µ
sec/DIV
4.43MHz
1.6Vp-p
3.5795MHz
— DISPLAY Board —
1V/DIV, 20nsec/DIV
1
IC100
3
(XOUT)
8MHz
0.5Vp-p
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