Block Diagram -Tape/Audio Section - Sony HCD-EX6 Service Manual

HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
6-2. BLOCK DIAGRAM –TAPE/AUDIO Section –
J552
PC IN
EX6T/EX8T/EX9T
S501-1
Lch
Rch R-CH
S501
TAPE
(REC/PB)
MECHANISM
REC PB
DECK
S501-3
SW
L501
BIAS OSC
EH
R-ch is omitted due to same as L-ch.
Signal path
: TUNER (FM)
: CD
: PC IN
: TAPE PLAY
: TAPE REC
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
ELECTRICAL VOLUME,
INPUT SELECTOR
IC601
R-CH
10 PC-IN-L
CD/TUNER
A
CD/USB-L 8 CD/USB-L
SECTION
(Page 21)
OUT-L
CD/TUNER OUT-R
B
TUNER-L
6 TUNER-L
SECTION
(Page 21)
PB AMP
IC501
5 7 4 TC-L
REC AMP
IC502
7 5 11 SEL-L
14 VOL-L
REC MUTE
28 27
Q601
R-CH
R-CH
AUDIO LEVEL
DETECT
Q671,672
49 50
D671
(Page 23)
DISPLAY/POWER SUPPLY
43 I-LEVEL
SECTION
E O-TP-REC-MUTE
REC-MUTE 30
I-SUFFIX/TP-STATE
47
OSC
Q501,502
SYSTEM CONTROLLER
IC301 (2/3)
O-SP-RELAY-ON/TC ON/SW ON
EX9/EX9T
2CH POWER AMP
IC101
21 11 LIN+ LO-
25 R-CH
ST-BY
13
EX8/EX8T
4CH POWER AMP
IC102
11 HI-LIN+ HI-LO-
17 LOW-LIN+ LOW-LO-
ST-BY
13
3CH POWER AMP
IC201
15 LIN+ LO-
11 SWIN+ SWO-
ST-BY
13
EX6/EX6T
2CH POWER AMP
IC202
15 LIN+ LO-
ST-BY
13
STANDBY
SWITCH
Q190
O-POWER 3
2
22 22
5
OVERLOAD
DETECT
RY701
Q141
R-CH
EX8/EX8T/EX9/EX9T
EX9/EX9T
5
EX6/EX6T
20
OVERLOAD
DETECT
EX9/EX9T
RY711
Q151
SUBWOOFER
EX8/EX8T
BAND-PASS
FILTER
Q651-654
D140
7
5
OVERLOAD
RY721
DETECT
Q251
RELAY
DRIVE
Q752-754
7
RELAY
OVERLOAD
DRIVE
DETECT
Q751
Q241
RELAY
DRIVE
Q756
D240
EX6/EX6T/EX9/EX9T
RELAY
DRIVE D751
Q755
PROTECT
DETECT
Q181,182
J551
R-CH
PHONES
TB701
SPEAKERS
+
IMPEDANCE:
L
– USE 6
(EX6/EX6T)
+
SPEAKERS HIGH
R-CH
R
IMPEDANCE:
–
USE 8
(EX8/EX8T/EX9/EX9T)
EX8/EX8T/EX9/EX9T
TB702
+
L
–
SPEAKERS LOW
IMPEDANCE:
+
R-CH
USE 8
R
–
EX9/EX9T
TB703
+
SUBWOOFER
– IMPEDANCE:
USE 4
SP-L
DISPLAY/POWER SUPPLY
D
SECTION
PROTECT
(Page 23)
O-POWER
TP ON