![background image](http://html.mh-extra.com/html/sony/hcd-tb20/hcd-tb20_service-manual_420885030.webp)
30
30
HCD-TB20
MAIN Section
: FM
: CD
: PB
: REC
• Signal Path
• R-ch is omitted due to same as L-ch.
+5.6V
TUNER UNIT
CD-L
IC201
SOUND PROCESSOR
IC601
REC PB AMP
Q211
ST-L
ST-R
ST-CLK
ST-D OUT
ST-D IN
ST-CE
TUNED
STEREO
ST MUTING
RDS-DATA
RDS-INT
R-CH
J201
L
MD/
VIDEO
IN
12
IC801
POWER AMP
IC401 (3/3)
MASTER CONTROL
Q941
MUTING
SWITCH
R
SPEAKER
OVERLOAD
DET.
Q801
R-CH
Q841,THP841
MUTING
SWITCH
Q971
OVERHEAT
DET.
Q881,882
RY801
RELAY
DRIVER
Q911
RELAY
DRIVER
R-CH
TM801
DRIVER
Q835
SWITCH
Q842
DC DET
Q836,837
SWITCH
Q834
PROTECT
SWITCH
Q831
SWITCH
Q945,946
Q947
L
R
SWITCH
Q832,833
R-CH
J771
PHONES
BIAS
OSC
Q642,643
Q680,681
R-CH
L
R
IC602
T601
REC BIAS
ERASE HEAD
ERASE BIAS
RV652
REC LEVEL
A+9V
Q639-641
REC/PB HEAD
RV653
REC
BIAS
D953-956
D901
B+
SWITCH
Q101,102
CD +5V
CDM +3.3V
TCM +3.3V
RDS +3.3V
D +5V
T901
POWER
TRANSFORMER
T911
SUB
TRANSFORMER
+B
-B
IC102
AC IN
R-CH
R-CH
R-CH
FEEDBACK
D957-960
D912-914
M +7V
LDE +7V
IC153
IC911
TA +9V
TC +9V
IC152
MICON +3.9V
IC101
TCM +10V
ST +10V
IC151
RY911
D961
D962
D101
POWER AMP
120V
220V
240V
S943-1
F903
E
F902
F901
S943-2
220V
120V
AEP,UK
AEP,UK
REC-L
120V
220V
240V
AEP,UK
F901
120V
220V
240V
Mexican
F901
120V
220V
240V
Korea
F902
R-CH
SWITCH
RESET
SWITCH
Q501
IC501
Содержание hcd-tb20
Страница 20: ...20 HCD TB20 3 19 IN OUT SW Board 2 two screws BTTP M2 6 3 IN OUT SW board 1 connector CN704 ...
Страница 38: ...38 38 HCD TB20 7 9 Schematic Diagram MAIN Section 3 3 Page 48 Page 34 Page 32 47p 47p 47p ...
Страница 40: ...40 40 HCD TB20 7 11 Schematic Diagram DECK Section TAPE DECK Page 36 22k 22k 1k See page 50 for Waveforms ...
Страница 42: ...42 42 HCD TB20 7 13 Schematic Diagram AMP Section Page 36 Page 36 Page 44 Page 46 c E MX E MX ...
Страница 48: ...48 48 HCD TB20 7 19 Schematic Diagram POWER Section I Page 38 Page 46 Page 46 ...
Страница 71: ...71 HCD TB20 MEMO ...