Sony CFD-S26 - Main Section Block Diagrams; Main Section Block Diagram (Former Type)

CFD-S26
21 21
6-4. BLOCK DIAGRAM — MAIN SECTION (FORMER TYPE) —
1
2
CD_IN_L
5
21 22 16
4
CNP301 (1/3)
L-CH
R-CH
HRP301
RECORD/PLAYBACK
HEAD
HE301
ERASE HEAD
DET
ALC 2
RADIO L
18
15
L.LO
CNP301
(3/3)
R.LO
LINE
TAPE
R-CH
CD
TU_IN_R
TU_IN_L
TAPE
VIN2
CNP806
(3/3)
VOUT2
LOGIC
CONTROL
5
CLOCK
4
DATA
VOLUME/SOUND CONTROLLER
IC302
POWER AMP
IC304
D322
R-CH
SP301
SPEAKER
(L-CH)
SP302
SPEAKER
(R-CH)
J321
REF
L.LINE
L.RO
REC L.RAD
R.RAD
T301
REC BIAS OSC
Q301
REC
41
TAPE
37
V-CLK
V-DATA
CD
CD
10–266 – 9
5759 58 56
LIQUID CRYSTAL
DISPLAY PANEL
LCD801
SYSTEM CONTROLLER
IC802 (2/2)
6736 66
60
DBB
33
COM0
|
COM3
S0
|
S16
EEPROM
IC803
R-LAT SCL SAD R-CLK R-DATA R-COUNT
76
RST B-MUTE
46
MODE CHK
50
WP/INI
74
X1
75
X2
TUNER
X802
4.19MHz
RESET
IC804
70
XT1
71
XT2
X801
32.768kHz
3.3V
Q814
Q813
Q812,D807
5432
VOL
D451
OPR/BATT
KEY1
42
KEY2
43
KEY3
44
KEY4
45
Signal path
: FM
: AM
: TAPE PLAY
: TAPE REC
: CD
R-ch : same as L-ch.
PRE BOARD
REC/PB
PRE AMP
IC301
MAIN BOARD (2/2)
11 5
MEGA
BASS
CONTROLLER
Q122
5
8
5
7
7
81
81
20
6
14
R.LINE
8
R.IN
L.IN
9
R.RO
i
CNP301 (2/3)
CNP806 (2/3)
A-MUTE
31
MUTE
Q124
LEVEL
DETECT
D323
LINE
AMP
Q125
TC-PLAY
49
M
TAPE
SWITCH
Q808
MOTOR
SWITCH
Q807
1
2
24
-1
6V
REC
-2
S301
(REC/PB)
REC
PB
CNP302
CNP323
VDD(SW)
VDD(SW)
CNP805
CNP401
KH402
CNP404 KH405
KH403
KEY4
KEY2
KEY3
KEY1
1
2
3
3
4
1
2
4
S802
(TAPE PLAY)
M801
CAPSTAN/REEL
MOTOR
17
7
CD_IN_R
3
911
911
D803
S411,412S407-409
S416-427
S413,414
S401-406
65
7980
8
5432 8
41
41
12
12
CONTROL (1)
BOARD
CONTROL (3)
BOARD
CONTROL (2)
BOARD
AUDIO 6V
18
11 12
20 19
AM IN FM IN XOUT XIN
13
MO/ST
10
IF IN
LPF2/MO-ST
LPF1/BAND
ST-IND
OSC-OUT
7
BAND
8
ST-IND
LP-OUT
AM
OSC
AM
MIX
FM
MIX
FM
OSC
AM
RF-IN
FM
RF-IN
FM
RF-OUT
X1
75kHz
PLL
IC2
14 17 13 18
16 15
11
12
1920
22 4 6
7
10
2
2124
T1
CF4
L2L1 CT1
RADIO6V
RADIO 6V
D1 D2
CT3
D3
L3
AM
FERRITE-ROD
ANTENNA
CT3,L3
AM
TRACKING
CT1,L1
FM
TRACKING
ANT1
FM
TELESCOPIC
ANTENNA
IF
BUFFER
AM
DET
FM
DET
IF CUT
AF
BUFFER
FM
MPX
MUTE
IF CUT
R-OUT
L-OUT
R-CH
RADIO 6V
QUAD
FM/AM FRONT-END, IF DET,
FM STEREO DEMODULATOR
IC1
AM
FREQUENCY
COVERAGE
L4
RADIO 6V
L4
CF2
RADIO 6VRADIO 6V
RADIO 6V
RADIO 6V
FM OSC
AM OSC
MIX-OUT
AM
IF-IN
FM
IF-IN
IF-OUT
DET-OUT
MPX-IN
T2
T2
FM IF
L2
FM
FREQUENCY
COVERAGE
VDD(SW)
1 2 3 4
T1
AM IF
D324
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