Sony STR-DE675 Service Manual

26
STR-DE675
IC701 µPC2581V (MAIN BOARD)
IC702 µPC2581V (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
SW2SW1
SW5 SW4
Vin1 Vin2
Vin3Vin4Vin5
V+
10111213141516
1 52 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

Sony STR-DE675 Specifications

General

Brand	Sony
Model	STR-DE675
Category	Stereo Receiver
Language	English