Ic Block Diagrams - Sony CDX-F7500 Service Manual

CDX-F7500/F7700
Q Q
3 7 6 3 1 5 1 5 0

3-19. IC BLOCK DIAGRAMS

IC1 LA6560-TE-L-E (SERVO Board (2/2))
FWD 1
THERMAL SHUTDOWN
INPUT
REV 2
VCC2 3
OUTPUT
VLO- 4
CONTROL
VLO+ 5
LEVEL
VO4+ 6
SHIFT
VO4- 7
LEVEL
VO3+ 8
SHIFT
VO3- 9
GND T E
L 1 3 9 4 2 2 9 6 5 1 3
LEVEL
VO2+ 10
SHIFT
VO2- 11
LEVEL
VO1+ 12
SHIFT
VO1- 13
VCC1 14
VIN1 15
AMP-A
VIN1-A 16
L H
VIN1+A 17
VIN1-B 18
AMP-B
w w w
VDD
36 S-GND
35 VCONT
BTL-AMP
MUTE 34 MUTE
OUTPUT
GND
ON/OFF
33 VIN4
32 VIN4-
CE
31 VIN4+
30 VREF-IN
VIN1/VREF-SW 29 VIN1-SW
28 VREF-OUT
GND
27 REG-OUT
FR-
26 REG-IN
FR+
N.C
25 VIN3+
RR-
24
VIN3-
RR+
23 VIN3
22 VIN2+
21 VIN2-
DC(R)
20 VIN2
DC(L)
19 VIN1+B
FL+
FL-
x a o
N.C
. i
RL+
RL-
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IC7 R1114N151D-TR-FA
(SERVO Board (2/2))
1 5 VOUT
2
CURRENT
VREF
LIMIT
3 4
NC
Q Q
3 7 6
IC402 LA2901V-TL (MAIN Board (1/3))
SIGNAL
1
AMP
24 OUT(FR)
2
VCC
VREF
3
SIGNAL
4
AMP
23 OUT(RR)
5
22 GND(R)
VREF VCC
21
LIFTR VD
LIFT
AMP
20 LIFTR OUT
VREF
6
19 VCC(R)
18
VCC(L)
7 VREF
17 LIFTL OUT
LIFT
AMP
16
LIFTL VD
VREF
VCC
15
GND(L)
8
14 OUT(FL)
9 SIGNAL
u 1 6 3 AMP
y
10
VREF
VCC
11
13
OUT(RL)
12 SIGNAL
AMP
36 36
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2 4
8 9 9
IC401 TDA7416 (MAIN Board (1/3))
33 32 31 30 29
NC 34
35
ACOUT-R
36
ACIN-SW
ACOUT-SW 37
HIGH PASS
FILTER
SUB
WOOFER
FILTER
7 BAND
EQUALIXER
MAIN
VOLUME
SOFT
MUTE
LOUDNESS
3 1 5 1 5 0 8 9 2
IN-GAIN
CREF 38
NC 39
MAIN
REAR
SOURCE
SELECTOR
SELECTOR
TUNER-LCH 40
TUNER-RCH 41
INPUT
POWER
42
CD-LCH
MULTIPLEXER
SUPPLY
CD-RCH 43
AUX-L 44
1 2 3 4 5 6 7 8 9 10
IC620 NJM2377M(TE2) (MAIN Board (2/3))
8 7 6
30µA
VREF
OSC
U.VLO
m
c o
ER.AMP
0.52V
PWM
.
1 2
2
8 9 9
28 27 26 25 24 23
HIGH PASS
MIXER
FILTER2
SOFT STEP
FADER
SOFT STEP
FADER
MIXER
22 OUT-RF
SOFT STEP
21 OUT-RR
FADER
20 AC2IN-R
HIGH
19 AC2OUT-R
PASS
SOFT STEP
FILTER2 18 FILOR
FADER
SOFT STEP
17 OUTSW
FADER
16 SAOUT
15 MUTE
ZERO
CROSS
SPECTRUM
ANALIZER
14
4 9 8 2 9 9 SAIN
13 SCL
FADER II2CBUS
12 SDA
11
5
L.O
S.C.P
3 4