Diagrams; Block Diagram - Tuner/Tape Section - Sony XR-C7220R Service Manual

6-1. BLOCK DIAGRAM – TUNER/TAPE Section –
FM/AM TUNER UNIT
TUX10
(FM/AM ANTENNA)
2 FM-ANT
1 AM-ANT
4 21 11
9 13 16
20 XOUT
X10
7.2MHz
1 XIN
5 6 4 2
TAPE EQUALIZER AMP,
DOLBY NR AMP, AMS
IC250
HP901
(PLAYBACK)
FWD
EQ
IN (L)
FWD
34 OUT
L-CH
EQ AMP
FWD
R-CH
R-CH
R-CH R-CH
REV
32
L-CH
REV
IN (L)
REV
R-CH
R-CH
19 18
(METAL DETECT)
D200
113 102
CAPSTAN/REEL
M901
M
MOTOR DRIVE
(CAPSTAN/REEL)
Q204
05
Q201
SECTION 6

DIAGRAMS

FM B+ AM B+
D10
8 10 9
6 5 24
AM B+
LOW-PASS TIME CONSTANT
FILTER SWITCH
AF SEEK SWITCH
Q17 IC11
Q16
WIDE/NARROW
SWITCHING
Q14
WIDE/NARROW
SWITCHING
Q15
15 18 7
FM/AM PLL
IC10
RV230
DOLBY LEVEL (L)
TAPE LCH
IN (L) OUT
DOLBY
29 27 MUTE 24
NR AMP
R-CH R-CH
AMS
OUT
AMS
+
R-CH 14
DET
17 16 20
Q250
MUTE SWITCH
116 114
111
REEL SENSOR B+
3
VCC
OUT1 IN1
9
MOTOR
LOADING/TAPE M
BATT B+ OUT2 IN2
DRIVE
OPERATION 7
LOADING/TAPE OPERATION
MOTOR DRIVE
– 23 –
IC201
FM L-OUT 18
FM R-OUT 16
AM-DET 12
FM-DET
23
13 20 22 19 15
BUFFER
RV10
Q12
FM RDS
S-METER
FM/AM SIGNAL
METER BUFFER
Q13
57 kHz
16 BAND-PASS
MPX
FILTER
MULTI
LVIN
20
DETECTOR
103 26 25 27 28 3 2 53 1 20 4
SYSTEM CONTROLLER
IC600 (1/4)
POS0 – POS3
110 109 112 105 – 108
REGULATOR
BATT B+
Q203
TAPE OPERATION
REGULATOR
SWITCH
CONTROL SWITCH
Q202
EJECT/FF/REW/
2 REV/FWD MODE DETECT
4
BAND-PASS
FILTER
IC50
R-CH
MUTING
R-CH
Q60
MUTING
Q50
D50
MUTING
CONTROL SWITCH
Q51
RDS DECODER
5
IC150
SIGNAL
QUALITY
DECODER
4
RDS/RDBS
CIN
CLOCKED INTERFACE
18 19 DEMODULATOR
COMPARATOR REGISTER
& DECODER
OSCILLATOR
IIC BUS
& CLOCK
PATH 2 SLAVE
TRANSCEIVER
5 4 8 9 10
X150
4.332MHz
52 75 70 71
104
BUFFER
TAKE-UP SUPPLY
REEL REEL
SENSOR SENSOR
TAPE
DETECT
REEL SENSOR BOARD
– 24 –
XR-C7220R
FM-L
A (Page 25)
AM
B (Page 25)
TAPE-L
C (Page 25)
5
• SIGNAL PATH
: FM
: AM (MW/LW)
: TAPE PLAY