Block Diagram - Tuner/Tape Deck Section - Sony HCD-M80 Service Manual

HCD-M80
6-3. BLOCK DIAGRAM – TUNER/TAPE DECK Section –
TU1
TUNER UNIT
ANENNA
FM ANT
FM75Ω
ANT GND
ANT GND
AM
AM ANT
L-CH
R-CH R-CH
R-CH
HRPE901
(RECORD/PLAYBACK/ERASE) RV201
REC BIAS
(R)
ERASE
L-CH 4
R-CH 3 R-CH
TUNED 5
DI 9
CK 8
CE 10
DO 7
R-CH
MUTING
MUTING
CONTROL SWITCH
Q100, 101
Q404, 405
RV101
REC BIAS
(L)
BIAS OSC
T401
REC BIAS
SWITCH
COM +8V
Q402, 403
BIAS OSC
Q401
57 TUNED
23 ST-DOUT
27 ST-CLK
22 ST-CE
25 ST-DIN
REC/PB EQ AMP, ALC
IC401
EQ-OUT (L)
28
BIN (L)
34
T101
REC-OUT REC-IN
(L) (L)
BIAS
21 EQ 24
TRAP
ALC
(L)
R-CH ALC 23
R-CH
18 18
SYSTEM CONTROLLER
IC601 (2/4)
CAPSTAN/REEL
CAPM-CNT1 59 MOTOR DRIVE
Q341, 343
TRIGGER
B TRG 58 PLUNGER DRIVE
Q342, 344
B PLAY 38
B SHUT 90
B HALF/REC 91
43 80 41 39
R-CH : R-ch is omitted due to same as L-ch.
SIGNAL PATH
11
13 15 14
: TUNER (FM/AM)
: TAPE PLAY
: REC
PB-OUT
MUTE
TAI (L)
27 (L)
26
TU-L
K (Page 19)
(TAPE DECK BLOCK)
M M
(CAPSTAN/REEL)
TC-L
L (Page 19)
REC-L
M (Page 19)