Block Diagram - Main Section (Former Type) - Sony CFD-S26 Service Manual

6-4. BLOCK DIAGRAM — MAIN SECTION (FORMER TYPE) —
PRE BOARD
CD_IN_R
(Page 20)
CNP301 (1/3)
CD_IN_L
1 3
HRP301
RECORD/PLAYBACK
HEAD
L-CH
R-CH
S301
HE301
-1 -2
(REC/PB)
ERASE HEAD
REC
PB
CNP301 (2/3)
9
9
CNP806 (2/3)
AUDIO 6V
80 79
6 – 9
5 6
LIQUID CRYSTAL
EEPROM
DISPLAY PANEL
IC803
VDD(SW)
D324
L4
AM
FREQUENCY
COVERAGE RADIO 6V
D3
L3
AM
FERRITE-ROD
ANT1
ANTENNA
FM
TELESCOPIC
ANTENNA
CT3
RADIO 6V
CT3,L3
AM
TRACKING
CT1,L1
L1 CT1
FM
TRACKING
RADIO 6V
R.RO
9
R.IN
8
R.LINE
14
REC/PB
DET
PRE AMP
IC301
L.RO
4 ALC 2
L.LINE L.LO
20
24
L.IN
R.LO 18
5
RADIO L
LINE 17
6 REF
TAPE 15
21 22 16
TU_IN_R
T301
REC BIAS OSC
Q301
11 1
11 1
41
SYSTEM CONTROLLER
TUNER
IC802 (2/2)
70 71 74 75
10–26 59 57 58 56
X801 X802
32.768kHz 4.19MHz
LCD801
1 2 3 4
PLL
IC2
18 LP-OUT
11 12 20 19 13
L4
X1
75kHz
20 19 14
AM OSC
FM/AM FRONT-END, IF DET,
FM STEREO DEMODULATOR
IC1
AM
OSC
AM
AM
MIX-OUT
T1
IF-IN
RF-IN AM
22 4 6
MIX
CF4
FM
MIX
FM
RADIO 6V
FM
RF-IN
FM
IF-IN
2
OSC 7
CF2
FM
RF-OUT FM OSC
RADIO 6V RADIO 6V
24 21
T1
D1 D2
AM IF
L2
L2
FM
FREQUENCY
RADIO6V
COVERAGE
MAIN BOARD (2/2)
VOLUME/SOUND CONTROLLER
CNP301 CNP806 IC302
(3/3) (3/3)
LINE
5 5 VIN2 VOUT2
8 7
AMP
Q125
R-CH
LOGIC
CD
7 7 CONTROL
5 4
CD
2
8
(Page 20)
8
37 36 67 66
VOL
76
60
1
RESET
Q814
IC804
2
3.3V
10 7 8
17 13 18
IF-OUT
IF CUT
IF
BUFFER
AM
DET
MPX-IN
AF DET-OUT FM
16 15
MUTE
BUFFER MPX
FM
IF CUT
DET
10
T2
T2
FM IF
RADIO 6V
21 21
POWER AMP
IC304
R-CH
11 5
MEGA MUTE
BASS Q124
CONTROLLER
Q122
LEVEL
DETECT
D323
D322
TAPE
SWITCH
Q808
VDD(SW)
D803
MOTOR
SWITCH
Q807
33 31 49
42 43 44 45
46 50
VDD(SW)
Q813 CNP805
Q812,D807
2 3 4 5 8
2 3 4 5 8
CNP401
CONTROL (1)
KEY4
S416-427
KEY3
S413,414
KEY1
S401-406
KH402
1 4 2
1 4 2
R-OUT
CNP404
11 R-CH
L-OUT
12
OPR/BATT
S407-409 S411,412
CONTROL (2) CONTROL (3)
BOARD BOARD
Signal path
: FM
: AM
: TAPE PLAY
: TAPE REC
: CD
R-ch : same as L-ch.
CFD-S26
J321
i
3
SP301
4 SPEAKER
(L-CH)
1
SP302
2
SPEAKER
(R-CH)
CNP323
CNP302
1
S802
2 (TAPE PLAY)
3
4
M
M801
CAPSTAN/REEL
MOTOR
BOARD
KH403
1
1
KH405
D451