Sony HCD-EP404 - Block Diagrams; TUNER;TAPE DECK Section

1616
HCD-EP404
6-2. Block Diagrams
TUNER/TAPE DECK Section
: FM
: AM
• Signal Path
• R-CH is omitted due to same as L-CH.
: PB(TAPE)
: REC(TAPE)
9
13
12
11
1
3
105
15
7
7
16
18
19
20
15
8
11 12
6
4
5
3
1 22
Q103
FM OSC
BUFFER
Q102
BAND
SWITCH
Q101
AMP
BPF
AMRF_IN
AM_OSC
24
FMRF_IN
22
FM_RF
FM_OSC
20
FM_IF
AM
OSC_OUT
FM
ANT
L104
AM ANT
D105
T101
AM OSC
L102
FM RF
D103
D104
L103
FM OSC
F102
10.7MHz
T102
X101
10.7MHz
PD
AIN
AOUT
FMIN
AMIN
BO1
IO1
IFIN
DO
DI
CL
CE
IC102
FM/AM PLL
X102
7.2MHz
XIN XOUT
AM_MIX
FM_MIX
FM_DET
AGC
AM/FM
IF_OUT
AM_IF
16
17
L_OUT
R_OUT
IC101
AM/FM IF AMP,
MIX, MPX, DET, OSC
72 20 76 6
DATAIN
DA-IN
PLL-CE
STATION
STEREO
PLLENA
STATION
STEREO
DA-IN
STEREO
DI
PLL-CE
CL
STATION
A
AMP
SECTION
AMP
SECTION
B
AMP
SECTION
C
AMP
SECTION
D
PANEL
SECTION
E
IC301 (1/3)
SYSTEM CONTROLLER
R-CH
TUNER
L-CH
TC102
TC101
FM FREQUENCY
COVERAGE
AM FREQUENCY
COVERAGE
AM TRACKING
FM TRACKING
F103
450kHz
MOTOR-ON
IC701
REC/PB SWITCH
IC702
ALC,
REC/PB AMP
R-CH
Q718
R-CH
L-CH
(RECORD/PLAYBACK)
R-CH
R-CH
95
REC-EN
16
6
7
3
4
4
8
7 9
(PROTECT (FWD) DETECT)
(HALF SWITCH)
Q705
REC/PB
SWITCH
Q701
REC/PB
SWITCH
Q703
AMP GAIN
CONTROL
Q719
ALC
CONTROL
ALC
BIAS
TRAP
Q720,721
CAPSTAN/REEL
MOTOR DRIVE
SENSORA
90
BLINK
70
AMS
68
24/12
66
T701
BIAS OSC
9V
Q716,717
REC BIAS
SWITCH
M
(CAPSTAN/REEL)
SOL
93
Q722,723
TRIGGER
PLUNGER DRIVE
(TRIGGER PLUNGER)
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
(MODE SWITCH)
D305 D308
D703
D701 D702
TL-CH
TR-CH
RL-CH
RR-CH
(ERASE)
SWITCHING
R-CH
ISS SWITCHING
Q724
TAPE PLAY DETECT
SENSOR
Q711
REC AMP
Q713
PB AMP
Q707
MUTING
Q715
BIAS OSC
ALC
IN
OUT
ALC
CNTRL
IN
NF
2
DI
CL
STA_B+
2SS
1SS
SW601
BEAT CUT