Sony FWD-50PX1 (English: pgs. 52-97), Руководство по обслуживанию

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8-19
FWD-50PX1
8-19
Q Q
Q (3/3) TA8776N (IC3012)
Q (1/3), (2/3) TC74HC4052AF(EL) (IC3005, IC3009)
5
6
7
8
4
3
2
1
19
20
21
23
24
18
17
16
15
14
C1
C2
C3
C4
D IN
L IN
R IN
FILTER ADJ
VCC 12V
VCC 9V
GND(ANALOG)
TREBLE FILTER
R OUT
L OUT
L-R OUT
22 L+R OUT
25 LPF C
26
BALANCE FILTER
27 VOLUME FILTER
28 SDA
29 SCL
30 GND(DIGTAL)
DAC1 OUT
DAC2 OUT
L+R FILTER
13 L-R FILTER
BUFFER
INPUT
SWITCH
PHASE
SHIFT
4ø
1ø
LPF L-R
BASS
TREBLE
CONTROL
VOLUME
BALANCE
LOGIC
DAC
9 TP R
10
TP L
11 BASS FILTER
12 MUTE
Q (3/3) TDA7480 (IC3014, IC3015)
10 SGN-GND
8 FEEDCAP
11 IN 1
12 STBY/MUTE
_
+
PWM
_
+
PRE
17
VCC
9
FREQ
1 - 3, 18 - 20
5 BOOTDIODE
15 VREG
6 BOOT
4 OUT
7, 13
NC
16
VCCPOW
14
VCCSIGN
VCC
Q (1/3) TK15452V (IC3010)
Q (3/3) TEA6422DT (IC3022)
VCC
STANDBY
GND
+
INPUT1
_
INPUT1
OUTPUT1
GND
+
INPUT3
_
INPUT3
OUTPUT3
VCC
OUTPUT2
_
INPUT2
+
INPUT2
1
2
3
4
5
6
7
10
9
8
14
13
12
11
75
Z
DRIVER
75
Z
DRIVER
75
Z
DRIVER
1
5
2
4
3
6
7
8
SELECT A
SELECT B
3
2
1
0
3
2
1 0
INH
Y1
Y3
Y
Y1
Y0
VEE
VSS
X3
X0
X
X1
X2
VDD
A
B
9
12
14
15
11
16
13
10
25 24 23 20 19 18
4
2
1
3
5 6 9 10 11 7 8
21 22
27
26
28
13
15
17
12
14
16
SUPPLY BUS DECODER
R1 R2 R3 R4 R5 R6
L1 L2 L3 L4 L5 L6 NC NC
NC NC
R OUT1
R OUT2
R OUT3
SDA
SCL
ADDR
L OUT1
L OUT2
L OUT3
Vs
C
GND
12 14 11 13 10 9 8
3 1 4 2 5 6 7
Vcc 4G 4A 4Y 3G 3Y 3A
1G 1A 1Y 2G 2A GND 2Y
Q (2/3) TC74HC125AF (IC3027)