Read Sony STR-DE675 Service Manual 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)
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
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