Block Diagram - Main Section - Sony CFD-S47 Service Manual

5-4. BLOCK DIAGRAM — MAIN SECTION —
CD SECTION
1
CD L-CH
REC L
9
CD L
14
HE301
ERASE
HEAD
HRP301
8
RECORD/ L-CH
PLAYBACK
HEAD
R-CH R-CH
PB
6
REF
S301 REC
REC/PB
PB
SW
COM 6V
REC
T301
Q302
94 ISS1
95 ISS2
Q303
29 REC
50–53 54–76
REC SW
Q304
LIQUID CRYSTAL
DISPLAY
LCD501
21 PD1
L4
D3
L4
PLL
LPF
AM
Q60
FREQUENCY
COVERAGE
REG
Q61
L3
AM
D350
FERRITE-ROD
ANTENNA
AM RF
ANT1 22
FM SW+9V
TELESCOPIC
CT3
ANTENNA
B+ FM
FL1 RF
BPF
2
CT3,L3 24
AM CT1
TRACKING
L1
RADIO
6V
04
CT1,L1
FM
TRACKING
DET REC/PB
VOLUME/SOUND CONTROL
PRE-AMP
IC301
ALC 2
OUT-L
IN1
18 2 SURROUND
OUT-R 20 R-CH
RADIO L
LOGIC 15
16 21
BIAS OSC
Q301
80
99
SYSTEM CONTROL
IC501 (2/2)
TUNER
22 20 19 21 92•93 39 40 37 38
X501
4.19MHz
RESET
X502
IC502
32.768KHz
CLOCK CLOCK
SHIFT SHIFT
Q508 Q507
COM 5V
4 5 6 7
PLL
IC2
16 17 1 2 9 14 8
Q11
Q10
X1
75KHz
20 19 14 17 13
FM/AM FRONT-END, IF DET,
IF CUT
AM FM STEREO DEMODULATOR
IC1
OSC IF
BUFFER
CFT1
AM AM
4 6
MIX DET
FM
MIX
FM FM
7
OSC DET
RADIO
6V
10
21
CF2 CF3
D1 D2
RADIO RADIO
L2
6V 6V
RADIO
6V
L2
FM
FREQUENCY
COVERAGE
– 21 –
POWER AMP
IC302 IC306 R-CH
R-CH
OUT1
TONE VOL 9 11 5
BS 6
VC
3 13
CONTROL 23
Q341
20 19 18 21
Q342
D604 D603 D602 D601
VOCAL LIVE POP ROCK
COM 5V
LED SW LED SW LED SW LED SW CD5V REG
Q501 Q502 Q503 Q504 Q360
S301
(MD PLAY)
25 24 26 96 86 85 84 83
VOL
TUNER
18 97 33–36 2 3
5V
D501–504
SIRCS
+B SW
RECEIVER
Q509
IC601
S601–626
IF REQ
Q13
Q80
18
AM
HCUT
Q12
R
11 R-CH
AF FM
15 MUTE
16
L
BUFFER MPX
12
IF CUT
J301
SP301
SPEAKER
(L-CH)
COM 6V
RADIO
6V SW
RADIO 6V
Q369
CD 5V
82 81
B+ SW
REG CHK 27 Q505,
Q506
LAMP SW AC SW COM5V REG
BL CONT 28
Q357 Q357 Q354
D351
COM 6V
POWER SW
P.CON 23
Q352,358
POWER SW C0M6V REG
Q359 Q353
SW9V REG
SW 9V
Q351
VDD 9V
PL301,302
LCD BACK LIGHT D905
LAMP SW
PL301 Q355
PL302
MICRO
VDD
S302
(MD POWER)
M
M301
(CAPSTAN/REEL)
• Signal path
• R-ch : same as L-ch.
– 22 –
CFD-S47
AC CHK
D909
COM 5V
D908
COM 6V
F902 T901
RECT
D901
I
D904
LF901
CNJ901
( AC IN)
RECT OUT
COM
BATT
D906
9V REG
3 2
IC901
D907
BACKUP POWER
BATT BATT
: FM
: AM
: PLAY
: REC
: CD