Sony HCD-CPX1 - 6-2. Block Diagram - TUNER;TAPE DECK Section -

HCD-CPX1
2222
6-2. BLOCK DIAGRAM – TUNER/TAPE DECK Section –
REC BIAS
(R)
RV603
REC BIAS
(L)
RV653
R-CH
8
7 9
4
FM 75Ω
COAXIAL
FM ANT
ANT GND
AM ANT
ANT GND
ST DIN
ST CLK
ST CE
ST MUTE
TUNED
STEREO
L-CH
R-CH
ST DOUT
TUNER UNIT
AM
R-CH
25
ST DATA IN
23
ST DATA OUT
27
ST CLK
22
ST CE
21
ST MUTE
DI
DO
CLK
CE
MUTING
57
ST TUNED
34
ST STEREO
TUNED
STEREO
L-CH
R-CH
ERASE
R-CH
HRPE901
(REC/PB/ERASE)
REC/PB SWITCHING
IC602
R-CH
BIAS OSC
T601
BIAS
TRAP
REC BIAS
SWITCH
Q639 – 641
A+9V
BIAS OSC
Q642, 643
39
37
AIN (R)
BIN (R)
15
14
3 4
EQOUT (R)
5
PB OUT (R)
TAI (R)
MUTE
REC/PB EQ AMP, ALC
IC601
8
REC-
OUT (R)
REC-IN (R)
ALC (R)
10
R-CH
R-CH
C
(Page 23)
PB
L-CH
B
(Page 23)
TUNER
L-CH
D
(Page 23)
REC
L-CH
42 TC BIAS-ON
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC401 (2/4)
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.
: TUNER (FM/AM)
: TAPE PLAY
: REC
DO
CE
MUTING
TUNED
STEREO
DI
CLK
MUTE ON/OFF
REC MUTE ON/OFF
40 41
TC REC/MUTE
TC LINE MUTE
EQ
ALC
RV652
43
TC PB/REC
7
ANTENNA
80
TC ALC
11
ALC ON/OFF
REC/PB
SWITCHING
Q680, 681
REC LEVEL
(L)
59
CAPSTAN/REEL
MOTOR DRIVE
Q692, 694
58
90
38
91
TRIGGER
PLUNGER DRIVE
Q691, 693
MM
(TAPE DECK BLOCK)
(CAPSTAN/REEL)
TC CAPM-CONT
TC TRG
TC END SW
TC PLAY SW
TC HALF/REC/SW
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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