Sony XR-C7220R Service Manual

XR-C7220R
– 23 – – 24 –
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM – TUNER/TAPE Section –
05
TAPE EQUALIZER AMP,
DOLBY NR AMP, AMS
IC250
34
32
R-CH
FWD
IN (L)
FWD
L-CH
HP901
(PLAYBACK)
FWD
R-CH
REV
L-CH
REV
R-CH
REV
IN (L)
R-CH
R-CH R-CH
R-CH
R-CH
D200
(METAL DETECT)
R-CH
EQ AMP
29 27
MUTE
DOLBY
NR AMP
EQ
OUT
TAPE
IN (L)
AMS
DET
+
113 102 116 114
N-ROUT
MTLIN
19
FWD/REV
18
MTL/NORMAL
17
16 20
MUTE/TAPE
Q250
MUTE SWITCH
DOLBY
NR.ON
AMSON
103
AMSIN
AMS/PLAY
24
LCH
OUT
14
AMS
OUT
RV230
DOLBY LEVEL (L)
• SIGNAL PATH
: AM (MW/LW)
: FM
: TAPE PLAY
SYSTEM CONTROLLER
IC600 (1/4)
REGULATOR
CONTROL SWITCH
Q202
CAPSTAN/REEL
MOTOR DRIVE
Q204
LM-EJ TAPEON LM-LOD CM-ON
VCC
REEL SENSOR B+
BATT B+
BATT B+
Q201
IN1
IN2
OUT1
OUT2
LOADING/TAPE OPERATION
MOTOR DRIVE
IC201
111
M
M
M901
(CAPSTAN/REEL)
9
7
MOTOR
DRIVE
2
4
3
110 109
REGULATOR
Q203
112
LOADING/TAPE
OPERATION
TAPE OPERATION
SWITCH
BUFFER
TAKE-UP
REEL
SENSOR
SUPPLY
REEL
SENSOR
REEL SENSOR BOARD
REEL
104105 – 108
POS0 – POS3
TAPE
DETECT
EJECT/FF/REW/
REV/FWD MODE DETECT
(FM/AM ANTENNA)
FM-ANT
AM-ANT
FM +B
FM B+
AM +B
AM B+
+B (FM/AM)
D10
FM/AM TUNER UNIT
TUX10
LO/DX
VCO (FM/AM)
FM-IF-COUNT AM-IF-COUNT (SEEK)
VT (FM/AM) SD RECEIVE/SEEK
FM L-OUT
FM R-OUT R-CH
R-CH
D50
MUTING
CONTROL SWITCH
Q51
A
B
FM/AM SIGNAL
METER BUFFER
Q13
WIDE
TUNMUTE
VSM
SD-IN
ST-MONO
FM/AM PLL
IC10
LO/DX
WIDE VSM AF SEEK SEEK SD ST/MONO
IF IN
FM OSC
AM OSC
PD
XOUT
XIN
X10
7.2MHz
D.IN D.OUT CLK CE
D-IN
D-OUT
CLK
CE
D-IN
D-OUT
CLK
CE
PLLSO
PLLSI
PLLCKO
PLLCE
SEEK OUT
WIDE/NARROW
SWITCHING
Q14
(Page 25)
(Page 25)
FM-L
AM
C
(Page 25)
TAPE-L
MUTING
Q50
MUTING
Q60
BAND-PASS
FILTER
IC50
LOW-PASS
FILTER
Q17
WIDE/NARROW
SWITCHING
Q15
5 6 4 2
20
1
9 13 16 15 18 7
4
1
2
21 11
6
5 24 1913 20
8 10 9
22
12
23
16
18
53 2 42015326
27
25 28
SEEKOUT
WIDE
VSM
AF SEEK
SD
ST/MONO
SEEK
AF-SEEK
TIME CONSTANT
SWITCH
IC11
AM B+
FM RDS
S-METER
RV10
FORCED WIDE/ NARROW ST/MONO S-METER
15
S-METER (RDS)
AM-DET
FM-DET
BUFFER
Q12
52
MTP
70
I2C SIO
71
I2C CKO
75
DAVN
RDS DECODER
IC150
INTERFACE
REGISTER
IIC BUS
SLAVE
TRANSCEIVER
OSCILLATOR
& CLOCK
X150
4.332MHz
4 85
OSCI
OSCO
109
SDA
SCL
DAVN
57 kHz
BAND-PASS
FILTER
CLOCKED
COMPARATOR
RDS/RDBS
DEMODULATOR
& DECODER
SIGNAL
QUALITY
DECODER
16 18 19
MPX
CIN
4
5
SC OUT
MULTI
PATH
DETECTOR
20 2
LVIN
MPTH
AF SEEK SWITCH
Q16

Sony XR-C7220R Specifications

General

Brand	Sony
Model	XR-C7220R
Category	Car Receiver
Language	English