Sony XR-C8220, Service Manual

Page: 19 / 52

XR-C8220
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
: 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
(E Model)
REEL
104 105 – 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
S-METER LO/DX
VCO (FM/AM)
FM-IF-COUNT AM-IF-COUNT (SEEK) VT (FM/AM) SD RECEIVE/SEEK
FM L-OUT
FM R-OUT
AM-DET OUT
R-CH
R-CH
D50
MUTING
CONTROL SWITCH
Q51
A
B
FM/AM SIGNAL
METER BUFFER
Q13
WIDE
TUNMUTE
DSTSEL2
VSM
SD-IN
ST-MONO
FM/AM PLL
IC10
LO/DX
WIDE VSM SEEK SD ST/MONO
IF IN
FM OSC
AM OSC
PD
XOUT
XIN
X10
7.2MHz
D.IN D.OUT CLK CE
DATA-IN
DATA-OUT
CLK
CE
DATA-IN
DATA-OUT
CLK
CE
PLLSO
PLLSI
PLLCKO
PLLCE
WIDE/NARROW
SEEK OUT
WIDE/NARROW
SWITCHING
Q14
(Page 21)
(Page 21)
ST- IND
FM-L
AM
C (Page 21)
TAPE-L
MUTING
Q50
MUTING
Q60
BAND-PASS
FILTER
IC50
LOW-PASS
FILTER
Q17
WIDE/NARROW
SWITCHING
Q15
51
5 6 4 2
20
1
9 13 16 15 18 7
4
1
2
21 11 6 5 24 19 13 20
8 10 9
22
12
16
18
5 3 4 20 1 53 26 27 25 28
SEEKOUT
WIDE
VSM
SD
ST/MONO
SEEK
AM 9k/FM 50k
AM 10k/FM 200k
S601
FREQUENCY SELECT
– 19 – – 20 –
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM – TUNER/TAPE Section –