Block Diagram - Main Section - Sony CFD-S350 Service Manual

CFD-S350/S350L
6-4. BLOCK DIAGRAM — MAIN SECTION —
CD_IN_R
A
(Page 19)
CD_IN_L
HRP301
RECORD/PLAYBACK
HEAD
L-CH
R-CH
S301
HE301
-1 -2
(REC/PB)
ERASE HEAD
REC
PB
Q302
AUDIO 6V
27
80 79
5 6
EEPROM
IC805
(CFD-S350) B-MUTE
(Page 20)
C
R-DATA
(CFD-S350L)
R-CLK
(Page 21)
R-COUNT
CFD-S350/S350L
(CFD-S350)
(CFD-S350L)
R.RO
9
R.IN
8
R.LINE
REC/PB
DET
14
PRE AMP
L.RO IC301
4 ALC 2
L.LINE
24
L.IN
5
RADIO L
6
REF
21 22 16
TU_IN_R
T301
(CFD-S350)
(Page 20)
REC BIAS OSC
Q301
(CFD-S350L)
(Page 21)
TU-L OUT
S350L
Q303
66 67
SYSTEM CONTROL
IC801 (2/2)
70 71 74 75
6 – 9 26–10 60 59 57 58 56
LIQUID CRYSTAL
X801 X802
DISPLAY PANEL
32.768kHz 4.19MHz
LCD401
R-CE
IC302
ELECTRONIC VOLUME
VOL AMP
L-OUT
LINE AMP L-IN
L.LO
20 8 7
Q113
R.LO R-CH
18
LOGIC
LINE 17
TAPE
15
5 4
CD-CONT
D
B
(Page 19)
37 36 77 78
76
48 30
1
RESET
IC804
S350L
2
Q809,810
LED
3.3V
DRIVE
D407
IC403
REMOTE
CONTROL 1
RECEIVER
22 22
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
46 50 45 44 43
Q805,D801,804
KEY NETWORK
KEY3
S407,408,413-418
KEY2
S405,410-412
KEY1
S401-404
Signal path
: FM
: TAPE PLAY
: TAPE REC
: CD
R-ch is omitted due to same as
L-ch.
J321
i
SP101
SPEAKER
(L-CH)
SP201
SPEAKER
(R-CH)
9V
SW1
(TAPE PLAY)
M
M901
TAPE PLAY
MOTOR