Block Diagram - Tuner/Tape Deck Section - Sony SS-CPX1 Service Manual

HCD-CPX1
6-2. BLOCK DIAGRAM – TUNER/TAPE DECK Section –
ANTENNA TUNER UNIT
FM ANT L-CH
FM 75Ω
COAXIAL
ANT GND R-CH
AM ANT
AM ST DOUT
ANT GND
ST DIN
ST CLK
ST CE
ST MUTE
TUNED
STEREO
L-CH
R-CH 7 9
R-CH
8
HRPE901
(REC/PB/ERASE)
BIAS
R-CH
TRAP
RV603 RV653
REC BIAS REC BIAS
(R) (L)
BIAS OSC
T601
REC BIAS
SWITCH
Q639 – 641
ERASE
BIAS OSC
Q642, 643
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER (FM/AM)
: TAPE PLAY
: REC
R-CH
DI
DO
CLK
CE
MUTING
TUNED
STEREO
37
39
R-CH
4
REC/PB SWITCHING
IC602
REC/PB
SWITCHING
Q680, 681
10
A+9V
43 25 23 27 22 21 57 34
42 TC BIAS-ON
REC/PB EQ AMP, ALC
IC601
BIN (R)
TAI (R) MUTE
EQOUT (R)
3 4
AIN (R)
REC-
OUT (R)
REC-IN (R)
EQ 7
RV652
ALC (R)
R-CH ALC 8
REC LEVEL
(L)
R-CH
11 14 15
80 40 41
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC401 (2/4)
22 22
PB OUT (R)
5
CAPSTAN/REEL
TC CAPM-CONT 59 MOTOR DRIVE
Q692, 694
TRIGGER
TC TRG 58 PLUNGER DRIVE
Q691, 693
TC END SW 90
TC PLAY SW 38
TC HALF/REC/SW 91
TUNER
L-CH
B (Page 23)
PB
L-CH
C (Page 23)
REC
L-CH
D
(Page 23)
(TAPE DECK BLOCK)
M M
(CAPSTAN/REEL)