Block Diagram - Main Section - Sony CFD-S400 Service Manual

6-4. BLOCK DIAGRAM — MAIN SECTION —
CD_IN_R
1
(Page 18)
CD_IN_L
HRP301
RECORD/PLAYBACK
HEAD
L-CH
R-CH
S301
HE301
-1 -2
(REC/PB)
ERASE HEAD
REC
PB
Q302 Q303
AUDIO 6V
27 66
80 79 6 – 9
5 6
LIQUID CRYSTAL
EEPROM
DISPLAY PANEL
IC803 LCD801
VDD (SW)
D324
L4
AM
FREQUENCY
RADIO 6V
COVERAGE
D3
L3
AM
ANT1 FERRITE-ROD
AM
FM ANTENNA
RF-IN
22
TELESCOPIC
ANTENNA
CT3
FM
RADIO 6V
RF-IN
2
CT3,L3
FM
AM
RF-OUT
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
67 37
SYSTEM CONTROLLER
TUNER
IC802 (2/2)
26–10 59 57 58 56 70 71 74 75
X801 X802
32.768kHz 4.19MHz
1 2 3 4
FM/AM PLL
1 PD
IC2
17 LP-IN
18 LP-OUT
11 12 20 19 13
L4
X1
75kHz
20 19 14
AM OSC
FM/AM FRONT END, IF AMP,
FM MPX
IC1
AM
OSC
AM
MIX-OUT
T1
IF-IN
AM
4 6
MIX
CF4
FM
MIX
RADIO 6V
FM
FM
IF-IN
7
OSC
CF2
FM OSC
RADIO 6V
24 21
T1
AM IF
L2
L2
FM
FREQUENCY
RADIO 6V
COVERAGE
D1 D2
VOLUME/SOUND PROCESSOR
IC303
SEL2 TREBLE/
VIN2 VOUT2
A2
6 3 2 16
BASS
B2
CONTROL
8
C2
10
R-CH
LOGIC
13 14
CD-CONT
2
(Page 18)
36 77 78
VOL
76 60 30 31 32 33
1
RESET
IC804 LED
DRIVER
2
Q401-404
3.3V
D401 D402 D403 D404
ROCK POP JAZZ VOCAL
10 7 8
Q814
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
19 19
POWER AMP
IC304
R-CH
11 5
MEGA
MUTE
BASS
Q124
U-COM
CONTROLLER
(VDD)
Q122
LEVEL
DETECT
D323
D322
TAPE PLAY
DETECT
Q808
68 35 49
REMOTE
CONTROL
REMOTE 48 1
RECEIVER
IC401
46 50 45 44 43 42
AC-HI
D804
VDD (SW)
Q813
Q812,D807
D405
OPR/BATT
KEY NETWORK
KEY4
S416-423
KEY3
S424-427,S412-414
KEY2
S409-411,S428-432
KEY1
S401-408
R-OUT Signal path
11 TU_IN_R
L-OUT
12 : FM
: AM
: TAPE PLAY
: TAPE REC
: CD
R-ch is omitted due to same as
L-ch.
CFD-S400/S500
J321
i
SP301
SPEAKER
(L-CH)
SP302
SPEAKER
(R-CH)
VDD(SW)
S802
(TAPE PLAY)
M
M801
CAPSTAN/REEL
MOTOR
3