Block Diagram - Tuner/Tape Deck Section - Sony SS-CM70 Service Manual

6-2. BLOCK DIAGRAM – TUNER/TAPE DECK Section –
TU1
TUNER UNIT
(AEP, UK)
ANENNA
FM75Ω
L-CH 4
R-CH 3
FM ANT
FM75Ω
ANT GND
(EXCEPT AEP, UK)
ANT GND
TUNED 5
AM
AM ANT
DI 9
CK 8
CE 10
DO 7
TU-ON
D
(Page 16)
FM DET 1
(AEP, UK)
CLK, SQSO
B
(Page 14)
L-CH
R-CH
R-CH
R-CH
HRPE901
(RECORD/PLAYBACK/ERASE) RV201
REC BIAS
(R)
BIAS OSC
T401
ERASE
R-CH
TUNER ON SWITCH
Q804
D321
RDATA 2
DET AMP
4 MUX
Q302
RCLK 16
X1 X0
13 14
RDS DECODER
X301
IC326
4.332MHz
R-CH
MUTING
MUTING
CONTROL SWITCH
Q100, 101
T101
Q404, 405
BIAS
TRAP
RV101
REC BIAS
(L)
REC BIAS
SWITCH COM +8V
Q402, 403
BIAS OSC
Q401
SYSTEM CONTROLLER
IC801 (2/3)
17 TUNED
5 TU-DATA
8 C-CLK/TU-CLK
31 TU-CE
23 TU-COUNT
12 C-SQSO/RDS-DATA
2 RDS-IN
21 14 16 20
D401
13 11 15 14
REC/PB EQ AMP, ALC
IC401
MUTE
EQ-OUT (L) TAI (L)
28 27
BIN (L)
34
REC-OUT
REC-IN
(L)
(L)
16 EQ 24
ALC
(L)
R-CH ALC 23
R-CH
15 15
(TAPE DECK BLOCK)
CAPSTAN/REEL
M M
MOT-CON 30 MOTOR DRIVE
Q341, 343
(CAPSTAN/REEL)
TRIGGER
SOL-CON 29 PLUNGER DRIVE
Q342, 344
SENSOR 1
T-MODE 6
TC-SW 32
LOADING
MOTOR DRIVE
IC320
TRAY-OPEN 95 6 INPUT2 OUT2 10
M M M901
TRAY-CLOSE 94 5 INPUT1 OUT1 2 (LOADING)
S1
TRAY-SW 33
DISC TRAY
OPEN/CLOSE DETECT
OPEN
CLOSE
R-CH : R-ch is omitted due to same as L-ch.
SIGNAL PATH
: TUNER (FM/AM)
: TAPE PLAY
: REC
PB-OUT
(L)
26
HCD-M70
TU-L
E (Page 16)
TC-L
F
(Page 16)
REC-L
G
(Page 16)