Diagrams; Block Diagram - Tuner/Tape Section - Sony XR-C7500R Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-1. BLOCK DIAGRAM – TUNER/TAPE Section –
FM/AM TUNER UNIT
TUX1
J1
(FM/AM ANTENNA)
2 FM-ANT
1 AM-ANT
TAPE EQUALIZER AMP,
DOLBY NR AMP, AMS
HP901 IC250 RV230
(PLAYBACK)
DOLBY LEVEL (L)
PBF
PB
IN1
FWD
34 OUT1
L-CH
EQ AMP 29
FWD
R-CH
R-CH
T E
L 1 3 9 4 2 2 9 6 5 1 3
R-CH R-CH
REV
32
L-CH
PBR
IN1
REV
R-CH
R-CH
19 18
7 57
w w w
CAPSTAN/REEL
M901
M
MOTOR DRIVE . BATT B+
(CAPSTAN/REEL)
Q204
Q205
05
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SECTION 7

DIAGRAMS

BACKUP +5V
TUNER VCC
TUNER +5V
11 5 16
17 18
TAPE LINE
IN1 OUT1
DOLBY
27 MUTE 24
NR AMP
R-CH R-CH
AMS
+
R-CH 14
DET
MS
OUT
17 16 20
9 120 3 2 10 11
61 60 59
REEL SENSOR B+
1
x a o
VCC y
OUT1 IN1
9 3
MOTOR
LOADING/TAPE M
i OUT2 IN2
DRIVE
OPERATION 7 4
LOADING/TAPE OPERATION
MOTOR DRIVE
IC201
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8
MPX 10
AM-DET 8
4 14 9 12 13 19
BUFFER
Q50
RDS DECODER
IC50
SC
57 kHz OUT
CIN
CLOCKED
16 Q Q BAND-PASS 18 19 DEMODULATOR
COMPARATOR
3 7 6 3
MPX
FILTER
MULTI
OSCILLATOR
LVIN
20 PATH 2
& CLOCK
DETECTOR
5 4
X50
4.332MHz
51 53 52
SYSTEM CONTROLLER
IC600 (1/4)
POS0 – POS3
62 65 – 68
REGULATOR
BATT B+
Q203
TAPE OPERATION
REGULATOR
SWITCH
CONTROL SWITCH
u 1 6 3
Q202
EJECT/FF/REW/
REV/FWD MODE DETECT
.
TAPE
DETECT
REEL SENSOR BOARD
17 17
2 4
9 9 8
MUTING
Q22
MUTING
Q21
MUTING CONTROL
SWITCH
Q20
D20
5
SIGNAL
QUALITY
DECODER
4
SCL
RDS/RDBS IIC BUS
10
INTERFACE
SLAVE SDA
REGISTER
1 5 1 5 0 8 9 9 2 4
& DECODER TRANSCEIVER
BUFFER
Q11
BAND-PASS
FILTER
IC90
8
75 50
58
m
BUFFER
c o
TAKE-UP SUPPLY
REEL REEL
SENSOR SENSOR
XR-C7500R/C7500RX
2
9 9
MPX
A
(Page 18)
AM
B
(Page 18)
AM-IF
C (Page 18)
TAPE L
D (Page 18)
DATA,CLOCK
E (Page 18)
9 8 2 9 9
NOISE DET
DISCHARGE
SWITCH
Q601
LEVEL
F
(Page 18)
56 32
• SIGNAL PATH
: FM
: MW/LW
: TAPE PLAY