Block Diagram - Main Section - Sony CFD-S22 Service Manual

6-4. BLOCK DIAGRAM — MAIN SECTION —
PRE BOARD
CD R
CNP301(1/3)
CD L
3
1
HRP301
RECORD/PLAYBACK
HEAD
L-CH
R-CH
HE301
S301
ERASE HEAD
-1 -2
(REC/PB)
REC
PB
CNP301(2/3)
10
10
CNP505(2/3)
AUDIO 6V
38–41 42–58
CNP551
1-4
21-18
CNP651
LIQUID CRYSTAL
DISPLAY PANEL
LCD501
LCD BOARD
KH504
1
6
TUNER BOARD
L4
L4 RA6V
AM
D3
FREQUENCY
COVERAGE
L3
AM
FERRITE-ROD
ANT1
ANTENNA
FM
22
TELESCOPIC
ANTENNA
CT3
RA6V
2
CT3,L3
AM
TRACKING
L1 CT1
CT1,L1
FM
RA6V
TRACKING
04
– 21 –
R.RO
9
R.IN
8
R.LIN
14
REC/PB
DET
PRE AMP
IC301
L.RO
4
ALC 2
L.LIN L.LO
20
24
L.IN
R.LO 18
5
RADIO L
LINE 17
6 REF
TAPE 15
21 22 16
R-CH
T301
REC BIAS OSC
Q301
5
1
5 1
69
23
SYSTEM CONTROL
TUNER
IC501 (2/2)
17 16 15 14 73•74 31 32
5-21
X501
17-1 4.19MHz
X502
150kHz
5 4 3 2
7 8 9 10
1 2 3 4
PLL
IC2
18 LP-OUT
11 12 20 19 13 10
X1
75kHz
20 19 14 17
AM OSC
FM/AM FRONT-END, IF DET,
FM STEREO DEMODULATOR
IC1
AM
IF
OSC
BUFFER
AM AM
MIX-OUT
T1
RF-IN CF4 IF-IN
AM
4 6
MIX
FM
MIX
FM
FM
RA6V
RF-IN IF-IN
7
FM
OSC
CF2
FM
RF-OUT FM OSC
24 21 RA6V
D1 D2
L2
L2
FM
FREQUENCY
RA6V
COVERAGE
MAIN BOARD (2/2)
VOLUME/SOUND CONTROL
CNP301 CNP505 IC302
(3/3) (3/3)
LINE
6 6 VIN2 VOUT2
8 7
AMP
Q121
R-CH
LOGIC
8 8 CONTROL
CD3.3V
5 4
9
9
20 19
VOL
30 3 25–28
1
IF REQ
RESET 2-5
Q510
IC503
2
2-5
3.3V
KH503
1
S601-604
S607-626
S605,627 (S32)
11
S606 (S22)
CNP1
7 8
13 18
IF-OUT
IF CUT
AM
DET
R-OUT
MPX-IN
AF DET-OUT FM
16 15
MUTE L-OUT
BUFFER MPX
FM
DET
IF CUT
10
T2
RA6V
POWER AMP
IC304
R-CH
11 5
MEGA MUTE
BASS Q124
CONTROL
Q122
EEPROM
IC504
LPF
Q123 5 SDA
6 SCL
(S32)
P.CONT
2
TAPE
SWITCH
Q997
64 63 76 24 77 21 79
2 62
(S32)
CNP501
MODE
7
SWITCH
Q507
7
CNP601
1
REMOTE VDD (SW)
6 6
CONTROL
MODE
IC601
SWITCH
3
CONTROL
Q505,506
D601
(S32)
OPR/BATT
REMOTE
8 8
AC-HI
CONTROL
REG
Q509
(S32)
CONTROL BOARD
Signal path
: FM
: AM
11 R-CH
12 : TAPE PLAY
: TAPE REC
: CD
R-ch : same as L-ch.
– 22 –
CFD-S22/S32
J321
i
SP301
SPEAKER
(L-CH)
SP302
SPEAKER
(R-CH)
CNP322
1
S304
VDD(SW)
2 (TAPE PLAY)
3
4
M
M301
CAPSTAN/REEL
MOTOR
29 22
D510
3