Diagrams; Block Diagram - Tuner/Tape Section - Sony XR-M500R Service Manual

7-1. BLOCK DIAGRAM – TUNER/TAPE Section –
FM/AM TUNER UNIT
TUX100
(FM/AM ANTENNA)
2 FM-ANT
1 AM-ANT
TAPE EQUALIZER AMP,
DOLBY NR AMP, AMS
IC401
HP901 RV400
(PLAYBACK)
DOLBY LEVEL (L)
PBF
PB
FWD IN1
34 OUT1
L-CH
29
EQ AMP
FWD
R-CH
R-CH
R-CH R-CH
REV
32
L-CH
PBR
IN1
REV
R-CH
R-CH
19 18
7 23
CAPSTAN/REEL
M901
M
MOTOR DRIVE BATT B+
(CAPSTAN/REEL)
Q402
05 Q403
SECTION 7

DIAGRAMS

BACKUP +5V
D101
TUNER VCC
TUNER +5V
11 5 16
17 18
TAPE LINE
IN1 OUT1
DOLBY
27 24
MUTE
NR AMP
R-CH R-CH
AMS
+
R-CH 14
DET
MS
OUT
17 16 20
MUTE
SWITCH
Q404
120 3 2 10 11
62 61 60
REEL SENSOR B+
1
VCC
OUT1 IN1
9 3
MOTOR
LOADING/TAPE M
OUT2 IN2
DRIVE
OPERATION
7 4
LOADING/TAPE OPERATION
MOTOR DRIVE
IC400
MPX 10
AM-DET 8
4 14 9 12 13 19
(XR-M500R)
RDS DECODER
IC700
SC
57 kHz OUT
CIN
CLOCKED
16 BAND-PASS 18 19 DEMODULATOR
COMPARATOR
MPX
FILTER & DECODER
MULTI
OSCILLATOR
LVIN
20 PATH 2
& CLOCK
DETECTOR
5 4
X700
4.332MHz
51 53 52
SYSTEM CONTROLLER
IC601 (1/4)
POS0 – POS3
59 64 – 67
REGULATOR
BATT B+
Q400
TAPE OPERATION
REGULATOR
SWITCH
CONTROL SWITCH
Q401
EJECT/FF/REW/
REV/FWD MODE DETECT
TAPE
DETECT
REEL SENSOR BOARD
27 27
MUTING
Q101
MUTING
Q102
MUTING CONTROL
SWITCH
Q105
D102
5
SIGNAL
QUALITY
DECODER
4
SCL
RDS/RDBS IIC BUS
10
INTERFACE
SLAVE SDA
REGISTER 9
TRANSCEIVER
BUFFER
Q750
BAND-PASS
FILTER
IC750
8
75 50
57
BUFFER
TAKE-UP SUPPLY
REEL REEL
SENSOR SENSOR
XR-M500R/M550
MPX
A (Page 28)
AM
B
(Page 28)
AM-IF
C (Page 28)
TAPE L
D (Page 28)
DATA,CLOCK
E (Page 28)
NOISE DET
DISCHARGE
SWITCH
Q751
LEVEL
G
(Page 28)
56 32
• SIGNAL PATH
: FM
: AM (MW/LW)
: TAPE PLAY