Block Diagram - Main Section - Sony CFD-S22L Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-4. BLOCK DIAGRAM — MAIN SECTION —
TC BOARD
CD R
CNP301(1/3)
CD L
3
1
HRP301
RECORD/PLAYBACK
HEAD
L-CH
R-CH
ISS1
HE301 Q303
S301
ERASE HEAD
-1 -2
(REC/PB)
REC
PB
CNP301(2/3)
10
10
CNP505(2/3)
AUDIO 6V
T E
L 1 3 9 4 2 2 9 6 5 1 3
VDD(SW)
LCD BOARD
KH504
1 5
6 2
REG
Q61
CT5,L3-2
LW
TRACKING
D3
CT3,L3-1
MW
TRACKING
CT3
ANT1
LW
FM
TELESCOPIC MW SW
ANTENNA Q41
L3
MW/LW
FERRITE-ROD
w w w
ANTENNA
.
04
R.RO
9
R.IN
8
R.LIN
14
REC/PB
DET
PRE AMP
IC301
L.RO
4
ALC 2
L.LIN
24
L.IN
5
RADIO L
6 REF
ISS2
Q302
21 22 16
R-CH
T301
REC BIAS OSC
Q301
12 13 5
1
12 13 5 1
67 68 23
SYSTEM CONTROL
TUNER
IC501 (2/2)
38–41 42–58 17 16 15 14 73•74
CNP551
1-4 5-21
21-18 17-1
CNP651
X502
LIQUID CRYSTAL
153.6kHz
DISPLAY PANEL
LCD501
5 4 3 2
7 8 9 10
L4
1 2 3 4
LW FREQUENCY COVERAGE
PLL
18 LP-OUT IC2
MW/LW
6 MW/LW
Q14
L4
11 12 20 19
LW SW
X1
Q44
75kHz
20 19
RA6V
FM/MW/LW FRONT-END, IF DET,
CT5
FM STEREO DEMODULATOR
IC1
AM
LW SW
OSC
Q43
MIX-OUT T1
AM RF-IN
AM
22 4
MIX
-2 -1
MW
FM
MIX
MW SW
Q42
RA6V
FM
OSC
FM
RF-IN
RA6V
FN
2
RF-OUT FN OSC
x a o
y
24 21
CT1,L1
L2
i
FM
FM
L1 CT1 D1 L2
D2
TRACKING
FREQUENCY
COVERAGE
RA6V RA6V
– 21 –
http://www.xiaoyu163.com
8
MAIN BOARD (2/2)
VOLUME/SOUND CONTROL
CNP301 CNP505 IC302
(3/3) (3/3)
LINE
L.LO 6 6 VIN2 VOUT2
20 8
AMP
Q121
R.LO 18 R-CH
LOGIC
8 8 CONTROL
LINE 17
CD3.3V
TAPE 15
5 4
9
9
69 20 19
VOL
31 32 30 3
Q Q
3 7 6 3
1
X501
IF REQ
RESET
4.19MHz
Q510
IC503
2
3.3V
KH503
1
S601-604
S607-626
S605,627 (S32L)
11
S606 (S22L)
CNP1
13 10 7 9 8
14 17 13 18
IF CUT
AM HIGH
IF
CUT
BUFFER
Q12
AM
IF-IN
AM
6
DET
DET-OUT
MPX-IN
AF
CF4
16 15
BUFFER
FM
RA6V
IF-IN FM
7
DET
CF2
10
RA6V
T2
u 1 6 3 T1 T2
MW/LW FM
IF IF
.
RA6V
http://www.xiaoyu163.com
2 4
9 9 8
POWER AMP
IC304
7 11
MEGA MUTE
BASS Q124
CONTROL
Q122
EEPROM
IC504
LPF
Q123 5 SDA
6 SCL
(S32L)
P.CONT
2
64 63 76 24 77 21 79
25–28 2
1 5 1 (S32L) 5 0 8 9 2 4
CNP501
MODE
2-5 7
SWITCH
Q507
2-5 7
CNP601
1
REMOTE VDD (SW)
6 6
CONTROL
MODE
IC601
SWITCH
3
CONTROL
Q505,506
D601
(S32L)
OPR/BATT
REMOTE
8 8
CONTROL
REG
Q509
(S32L)
CONTROL BOARD
TUNER BOARD
Signal path
R
FM 11 R-CH
: FM
MUTE L
MPX
12
: AM
: TAPE PLAY
IF CUT
: TAPE REC
m
: CD
c o
R-ch : same as L-ch.
– 22 –
CFD-S22L/S32L
2
9 9
R-CH
J321
i
5
SP301
SPEAKER
(L-CH)
SP302
SPEAKER
(R-CH)
CNP322
1
S304
VDD(SW)
2 (TAPE PLAY)
TAPE
3
SWITCH
4
Q997
M
M301
CAPSTAN/REEL
MOTOR
62 29
9 8 2 9 9
AC-HI
3