Block Diagram - Main Section - Sony CFD-E95 Service Manual

6-3. BLOCK DIAGRAM – MAIN Section –
REC/PB PRE AMP
CD L-OUT
A
VREF
(Page 19)
MIC IN
13
L.CD
24
L.RAD
22
TU L-OUT
B
(Page 20)
HRP301
(REC/PB)
L.IN
5
L-CH
L.RO
R-CH 4
R-CH
HE301
(ERASE)
VREF
PB REC
VREF
6
S301 (2/2)
(REC/PB)
T301
BIAS OSC
BIAS OSC
Q303
Q302
Q302, 303
ISS SWITCHING
CD
E
(Page 22)
37 80
R-MUTE
IF REQUEST
C
60 B-MUTE
Q806
(Page 20)
R-DATA
D
57 R-DATA
R-CLOCK
(Page 20) 58 R-CLK
R-CE
59 R-LAT
R-COUNT
56 R-COUNT
IC301
MIC
MUTE
AMP
MUTE
R-CH
L.LO
MONITOR
AMP
BUFFER
PB
BUFFER
EQ AMP
REC
ALC
EQ AMP
DET
LOGIC CIRCUIT
REFERENCE VOLTAGE
GENERATOR
17 15 21
TC 6V
Q301
S301 (1/2)
(REC/PB)
PB REC
36 29
SYSTEM CONTROLLER
IC801 (2/3)
ELECTRICAL VOLUME
IC302
L-OUT
L-IN
AF AMP
20 8 7
Q125
R-CH
LOGIC
CONTROL
4 5
Q122
MUTING
R-CH
78 77 66
46 50 75 74 71 70 45
X802 X801
MODE CHECK 4.19MHz 32.768kHz
SWITCH
Q813
D801
WAKEUP
SWITCH
Q805
S401 – 406,
408, 416
21 21
+9V
8
POWER
AMP
IC304
R-CH
STANDBY
SWITCH
L OUT
L IN
J321
POWER
11 5
(PHONES)
AMP
D323
SP2
(L-CH)
MEGA BASS
CONTROL
Q122
D322
SP1
(R-CH)
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: CD PLAY
: TUNER (FM/AM)
: TAPE PLAY
: REC
RE401
68
– . > +
M-BASS
JOG-A 51
ENCODER
JOG-B 67
44
S407, 409 – 411,
413 – 415
CFD-E95