Ic Block Diagrams - Sony xr-c7350x Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-9.

IC BLOCK DIAGRAMS

IC301 CXA2510AQ-T4
30 29 28 27 26 25 24 23
120µ/ NR
70µ
T2
+ –
– +
NR BIAS
PBFB1 31
X1
PBRIN1 32
TAPE/AUX
33 F2
PBREF1
TAPE EQ
PBFIN1 34
FWD/RVS
VCT
35
VCT
VCC
PBGND 36
+
LPF +
–
PBFIN2 37
F3
F1
PBREF2 38
X1
PBRIN2 39
PBFB2 40
OFF/B
T1
120µ/
NR
70µ
2 3 4 5 6 7 8 9 10
1
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC351 LB1930M-TLM
NC
VCC 1 10
BUFFER
NC 2
IN1 3 OUT1
9
MOTOR
CONTROL
DRIVE 8 NC
CIRCUIT
CIRCUIT
IN2 4 7 OUT2
BUFFER
S-GND 5 6 P-GND
w w w
.
IC581 BA8270F-E2
BUS ON
BUS ON 1
SWITCH
22 21
RESET
RST 2
SWITCH
BATTERY
BATT 3
20 MSMODE
SWITCH
MS
19 DRSW
MODE
4
CLK
5
18 VREF
TAPESW
DATA 6
17 INSW
NR
GND 7
16 NRSW
MODE
15 NC
MS ON/
OFF
DETECT
14 MSOUT
13 DGND
12 MSTC
11 FF
IC811, 812 NJM2160AM-TE2
VCCL 1
+L IN 2
CRPL 3
REFERENCE
4
-L IN
-R IN
5
REFERENCE
CRPL 6
+R IN 7
VCCR 8
x a o
y
i
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8
IC331 TDA7402TR
14 VCC
13 RST
12 BUS ON
ACINLF 34
11 CLK IN
SWINR 35
10 BU IN
SWINL 36
ACOUTR 37
ACOUTL 38
CREF 39
9 DATA IN
8 DATA OUT
LOUDNESS
Q Q
3 7 MUX 6 40 3
+AUTO ZERO
MAIN SOURCE
SELECTOR
MD1
41
MAIN
MD1G 42
MD2 43
16 CL+
PHONO
MD2G 44
15 CL–
MAIN
1 2
IC611 BA4908-V3
GND L
14
13 L OUT
12 R OUT
11 GND R
10 CR–
9 CR+
u 1 6 3
1 2 3 4 .
21 21
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2 4
9 9 8
33 32 31 30 29 28
MIXER
MONO- MONO- MONO- MONO-
FADER FADER FADER
FRONT
ACIN
OUTPUT
REAR
SELECTOR
SW
MAIN
SECOND
LP
VOICE
BANDPASS
HP
BASS
TREBLE
VOLUME
SOFTMUTE
COMPANDER
LOUDNESS
DEMODULATOR
1 5 1 5 0 8 9 2 4
+STEREO ADJUST
IN-GAIN
+
+STEREO BLAND
BEEP
IN-GAIN
MUTE
CANCELATION
MIXING SECOND SOURCE
SELECTOR SELECTOR
INPUT
MULTIPLEXER FM
AM/FM
AM
CH0 AUX
NOISE BLANKER
3 4 5 6 7 8 9 10 11
REGULATOR
OVER VOLTAGE
PROTECT
–
+ m
c o
5 6 7 8 9 10 11
XR-C7350X
2
9 9
27 26 25 24 23
MONO- MONO-
FADER FADER FADER
SUBWOOFER
+PHASE
CONTROL
22 VDD
21 SCL
20 SDA
SUPPLY 19 GND
HIGH-CUT
18 SM
S&H PULSE
FORMER
25kHz
QUAL 17 QUAL
LP
16 MPOUT
MULTIPATH
DETECTOR
9 8 2 9 9 15 MPIN
D/A
14 LEVEL
CONVERTER
PILOT
PIL DET
PLL
80kHz
13 MPX
LP
12 AMIF
12