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HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
22
22
6-2. BLOCK DIAGRAM –TAPE/AUDIO Section –
R-CH
PC IN
J552
6 TUNER-L
4
7
5
TC-L
28
SDA
TA
27
SCLK
10
25
PC-IN-L
OUT-R
8 CD/USB-L
R-CH
O-I2C-FUNC-DA
TA
49
O-I2C-FUNC-CLK
50
21
OUT-L
ELECTRICAL VOLUME,
INPUT SELECTOR
IC601
13
ST-BY
2CH POWER AMP
IC101
SYSTEM CONTROLLER
IC301 (2/3)
A
CD/USB-L
B
TUNER-L
PB AMP
IC501
E
REC-MUTE
D
VOL-L
R-CH
14
J551
R-CH
PHONES
IMPEDANCE:
USE 6
ȍ
SPEAKERS
(EX6/EX6T)
EX6/EX6T/EX9/EX9T
EX6T/EX8T/EX9T
SPEAKERS HIGH
(EX8/EX8T/EX9/EX9T)
EX8/EX8T/EX9/EX9T
EX8/EX8T/EX9/EX9T
EX9/EX9T
EX6/EX6T
EX9/EX9T
EX9/EX9T
EX6/EX6T
EX9/EX9T
IMPEDANCE:
USE 8
ȍ
SPEAKERS LOW
IMPEDANCE:
USE 8
ȍ
+
–
–
+
R
L
TB701
R-CH
R-CH
+
–
–
+
R
L
TB702
R-CH
IMPEDANCE:
USE 4
ȍ
SUBWOOFER
+
–
TB703
PROTECT
O-SP-RELAY-ON/TC ON/SW ON 2
I-LEVEL
43
O-TP-REC-MUTE
30
I-SUFFIX/TP-STATE
47
O-POWER
SP-L
TP ON
TAPE
MECHANISM
DECK
S501
(REC/PB)
S501-1
S501-3
REC
PB
Lch
Rch
SW
EH
R-CH
: TUNER (FM)
: CD
: TAPE PLAY
: TAPE REC
Signal path
R-ch is omitted due to same as L-ch.
: PC IN
RY701
11 LIN+
5
LO-
13
ST-BY
2CH POWER AMP
IC202
15 LIN+
7
LO-
13
ST-BY
4CH POWER AMP
IC102
11 HI-LIN+
5
HI-LO-
17 LOW-LIN+
20
LOW-LO-
13
ST-BY
3CH POWER AMP
IC201
15 LIN+
7
LO-
11 SWIN+
5
SWO-
RY711
RY721
OVERLOAD
DETECT
Q141
OVERLOAD
DETECT
Q151
SUBWOOFER
BAND-PASS
FILTER
Q651-654
OVERLOAD
DETECT
Q251
OVERLOAD
DETECT
Q241
RELAY
DRIVE
Q756
RELAY
DRIVE
Q755
PROTECT
DETECT
Q181,182
RELAY
DRIVE
Q752-754
RELAY
DRIVE
Q751
STANDBY
SWITCH
Q190
11
5
7
SEL-L
REC AMP
IC502
R-CH
REC MUTE
Q601
AUDIO LEVEL
DETECT
Q671,672
OSC
Q501,502
O-POWER 3
L501
BIAS OSC
CD/TUNER
SECTION
CD/TUNER
SECTION
DISPLAY/POWER SUPPLY
SECTION
DISPLAY/POWER SUPPLY
SECTION
D671
D751
D240
D140
EX8/EX8T
EX8/EX8T
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