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Model
STR-DE675
Pages
45
Size
15.03 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-de675.pdf
Date

Sony STR-DE675 Service Manual ▷ View online

26
STR-DE675
IC701  
µ
PC2581V (MAIN BOARD)
IC702  
µ
PC2581V (MAIN BOARD)
IC501  STK350-230 (MAIN BOARD)
IC101  TC74VHC08AF(EL) (DISPLAY BOARD)
IC1801  NJM2279D (S-VIDEO BOARD)
IC1802  NJM2279D (S-VIDEO BOARD)
IC103  NJM2296D (VIDEO BOARD)
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
MUTE
+VOUT1
VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
VOUT2
+VOUT2
VCC1
VCC2
VEE
DRIVE
1
2
3
4
5
6
7
8
9
TR3
R1
R2
TR4
TR6
TR7
R4
R9
TR5
TR1
TR2
R6
D4     D3
R7
R8
TR8
D1     D2
R5
R3
INPUT
NF
-VEOUT
+VEOUT
V
SS
GND
V
CC
SUB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1A
1B
1Y
2A
2B
2Y
GND
VCC
4B
4A
4Y
3B
3A
3Y
VIN3
V-
14
SW2
13
VIN1
12
MUTE1
11
VOUT1
10
NC
9
V+
8
1
SW1
2
AMP
VIN2
3
MUTE2
4
VOUT2
5
GND2
6
GND1
7
AMP
9
S5
S6
S7
S4
S1
S2
S3
Vout1
Vout2
Vout3
V-
GND
SW3
SW2
SW1
SW5
SW4
Vin1
Vin2
Vin3
Vin4
Vin5
V+
10
11
12
13
14
15
16
1
5
2
3
4
6
7
8
IC1605  NJM2103M-TE2 (DIGITAL BOARD)
1
2
3
4
5
6
7
8
V+
VSB/SESIN
VSA
RESET
GND
OUTC
VSC
CT
VREF
+
+
+
+
Q
R
S
27
STR-DE675
3-17. IC PIN FUNCTION DESCRIPTIONS
• IC1601 MB90478PF-G-101-BND (SYSTEM CONTROL)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
I
I
O
O
I
O
O
O
O
O
O
O
O
O
O
O
I
O
O
O
O
I
O
I
O
I/O
O
O
O
O
I
I
I
I
I
I
I
I
I
O
I
I
Pin Name
DATAO
GP9
BST
HCS
HACN
XRST
PM
PD
SMUTE
CDT1
VSS
SCL
CS
DATA
CLK
LATCH
MUTING IN
HDOUT
HDIN
HCLK
F.MUTE
AC MUTING
VCC5
ANA/DIG
DCS LED
HP DETECT
FLASH2
SP SWITCH/FLASH1
EQ
MODE
2CH
AFD
AVCC
AVRH
AVSS
A/D0
A/D1
A/D2
A/D3
VSS
RDS SIGNAL
MODEL
VERSION
MULTI CH LED
STOP
GND (F)
MD0
MD1
Description
Audio data signal input from DIR
GP9 signal input from DSP
BST signal output to DSP
HCS signal output to DSP
HACN signal input from DSP
Reset signal output to DSP
PM signal output to DSP
Power down signal output to AUDIO CODEC
Muting signal output to AUDIO CODEC
Control data signal output to AUDIO CODEC
Ground
Clock signal output to AUDIO CODEC
Chip select signal output to AUDIO CODEC
Control data signal output to the sound processor
Clock signal output to the sound processor
Latch signal output to the sound processor
Muting signal output to the sound processor
HDOUT signal input from DSP
HDIN signal output to DSP
Clock signal output to DSP
Muting signal output
Muting signal output to the power amplifier
Power supply
Muting and error signal input
DCS LED control signal output
Headphone switch detect signal input
Terminal for FLASH programming
Speaker ON/OFF switch signal input / Terminal for FLASH programming
EQ LED control signal output
MODE LED control signal output
2CH LED control signal output
AFD LED control signal output
Not used
Not used
Analog power supply
Analog reference voltage input
Analog ground
Function key push signal input
Function key push signal input
Function key push signal input
Function key push signal input
Ground
RDS signal detect input
Version setting input (MODEL)
Version setting input (DESTINATION)
MULTI CH  LED control signal output
AC off detect signal input
Terminal for FLASH programming (Ground)
Operation mode setting input
Operation mode setting input
28
STR-DE675
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
I
I
I
I
I
I
I
I
I
O
O
O
O
I
O
I
O
O
O
O
O
I
I
O
I
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
Pin Name
MD2
RDS CLOCK
RDS DATA
SIRCS
SLEEP
POWER KEY
JOG-
JOG+
VOL-
VOL+
DIN
CLK
STB
CONTROL A1 OUT
CONTROL A1 IN
POWER RELAY
PROTECTOR
HEADPHONE RELAY
WOOFER RELAY
REAR RELAY
CENTRE RELAY
FRONT RELAY
STEREO
TUNED
MUTING
DO
RSTX
SCLK
X1A
X0A
VSS
X0
X1
VCC3
SDATA
SLATCH
S1
S2
MUTING1
MUTING2
OPTICAL IN SELECT
XMODE
CKSEL 1
CLK
CE
DI
DO
ERROR
XSTATE
Description
Operation mode setting input
RDS clock signal input
RDS data signal input
Data signal input from the remote control sensor
Not used
Power switch key detect signal input
Jog dial signal input from the rotary encoder
Jog dial signal input from the rotary encoder
Volume signal input from the rotary encoder
Volume signal input from the rotary encoder
Data signal output to the FL tube driver
Clock signal output to the FL tube driver
Strobe signal output to the FL tube driver
Control A1 signal output
Control A1 signal input
Power relay control signal output
Protector status detect signal input
Headphone relay control signal output
Woofer relay control signal output
Rear speaker relay control signal output
Centre speaker relay control signal output
Front speaker relay control signal output
Stereo tuning signal input from the tuner
Tuning a frequency signal input from the tuner
Muting signal output to the tuner
Frequency data signal input from the tuner
System reset
Clock signal output to the tuner
Not used
Not used
Ground
Connection for a crystal resonator
Connection for a crystal resonator
Power supply
Not used
Data signal output to the tuner
Latch signal output to the tuner
Video select control signal output
Video select control signal output
Video muting control signal output
Video muting control signal output
Optical in selector control signal output
Reset signal output to DIR
CKSEL control signal to DIR
Clock signal output to DIR
Chip enable signal output to DIR
Data signal output to DIR
Data signal input from DIR
PLL error muting signal input from DIR
XSTATE data signal input from DIR
SECTION 4
EXPLODED VIEWS
NOTE:
-XX, -X mean standardized parts, so they may
have some differences from the original one.
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE) . . . (RED)
 
 
Parts of Color Cabinet’s Color
The mechanical parts with no reference number
in the exploded views are not supplied.
Accessories and packing materials are given in
the last of this parts list.
Abbreviation
CND : Canadian model
MY : Malaysia model
SP
: Singapore model
TW
: Taiwan model
KR
: Korea model
MX : Mexican model
AR
: Argentina model
CH
: Chinese model
29
The components identified by mark 0  or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
STR-DE675
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
4-1. FRONT PANEL SECTION
2
3
4
1
5
5
5
5
6
9
10
11
12
12
13
12
8
8
#1
#1
Supplied with
RV101
Supplied with
RV102
Chassis section
7
FL101
1
X-4953-423-1 FRONT PANEL ASSY (BLACK)(US)
1
X-4953-464-1 FRONT PANEL ASSY (SILVER)(US)
1
X-4953-465-1 FRONT PANEL ASSY (BLACK)(AEP,UK)
1
X-4953-466-1 FRONT PANEL ASSY (BLACK)(E)
1
X-4953-468-1 FRONT PANEL ASSY (GOLD)(MY,SP,TW,KR,CH)
1
X-4953-525-1 FRONT PANEL ASSY (BLACK)(CND)
1
X-4953-819-1 FRONT PANEL ASSY (SILVER)(E,MX,AR)
1
X-4954-220-1 FRONT PANEL ASSY (SILVER)(AEP)
2
4-232-113-01 KNOB (VOL)(FOR BLACK)
2
4-232-113-11 KNOB (VOL)(FOR SILVER)
2
4-232-113-21 KNOB (VOL)(FOR GOLD)
3
4-232-239-01 KNOB (JOG)(FOR BLACK)
3
4-232-239-11 KNOB (JOG)(FOR GOLD)
3
4-232-239-21 KNOB (JOG)(FOR SILVER)
4
1-680-529-11 HEADPHONE BOARD
5
4-951-620-01 SCREW (2.6X8), +BVTP
6
1-680-532-11 JOG BOARD
7
1-773-250-11 WIRE (FLAT TYPE) (27 CORE)
* 8
4-921-941-01 CUSHION (FL)
* 9
3-386-245-11 HOLDER (FL)
10
A-4475-808-A DISPLAY BOARD, COMPLETE (US)
10
A-4475-875-A DISPLAY BOARD, COMPLETE (CND)
10
A-4475-882-A DISPLAY BOARD, COMPLETE (E)
10
A-4475-888-A DISPLAY BOARD, COMPLETE (AEP,UK,AR)
10
A-4475-943-A DISPLAY BOARD, COMPLETE (TW)
10
A-4475-951-A DISPLAY BOARD, COMPLETE (CH,MY,SP,KR)
10
A-4476-952-A DISPLAY BOARD, COMPLETE (MX)
11
1-680-528-11 POWER SWITCH BOARD
12
4-210-291-01 SCREW (CASE 3 TP2)(BLACK)
12
4-210-291-11 SCREW (CASE 3 TP2)(SILVER)
13
4-232-418-01 CASE (BLACK)
13
4-232-418-21 CASE (SILVER)
13
4-232-418-41 CASE (GOLD)
FL101
1-518-718-11 INDICATOR TUBE, FLUORESCENT
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
Ver 1.2  2003.05
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