Read Sony HCD-E300HD / NAS-E300HD Service Manual online
HCD-E300HD
HCD-E300HD
19
19
5-3. BLOCK DIAGRAM - MAIN Section -
IN-L1
1
INPUT SELECTOR, ELECTRICAL VOLUME
IC302
VOL L 11
SEL L 10
OUT L 23
X2
15
INPUT SELECTOR
IC351
X 13
IN-L3
5
R-CH
J301
X0
12
LIN
D
LOUT
E
X1
14
CD-L
A
J303
L
R
SPEAKER
IMPEDANCE USE 8
:
+
–
R-CH
+
–
i
J302
TUNER (FM/AM)
AM
ANTENNA
AUDIO IN
FM ANT
AM ANT
L-OUT
R-OUT
DO/STEREO
R-CH
DI
CLK
CE
FM 75
:
COAXIAL
93 ST_DATA_IN
TUNED
6 ST_TUNED
95 ST_DATA_OUT
94 ST_CLK
92 ST_CE
94 ST_CLK
92 ST_CE
LINE
AMP
AMP
IC306
1
INH
6
INH
Q305
97
SEL
_A
10
A
Q306
100
SEL
_B
9
B
Q307
SYSTEM CONTROLLER
IC803 (3/3)
SDA
26
SCL
25
24
VOL_IIC_DATA
22
VOL_IIC_CLK
R-CH
MUTING CONTROL
Q303, 304
MUTING
Q115
TA_LINE_MUTE 23
R-CH
R-CH
R-CH
MUTING CONTROL
Q301, 310
MUTING
Q101, 102
HP_MUTE 21
LINE
AMP
AMP
IC301
LINE
AMP
AMP
IC307
HP_DET
XDAMP_PROTECT
DAMP_SHUTDOWN
PROTECT
SWITCH
Q352
OVER LOAD
DETECT
Q151, 152
5
SHUTDOWN
LINP
21
LOUTN
19
20
20
22
LOUTP
LOUTP
LOUTP
LOUTN
46
44
FA
U
LT
DIGITAL POWER AMP
IC352
SHUT DOWN
SWITCH
Q353
PROTECT
SWITCH
Q355
2
28
27
: TUNER (FM/AM)
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: CD PLAY
: DAB
: AUDIO IN
: DMPORT
IN-L2
3
X3
11
DAB 75
:
RDS DATA
RDS INT
7 RDS DATA
18 RDS-INT
J811
DMPORT
(AEP, UK)
6
5
7
DET
RXD
TXD
12
R-
R-CH
14
R+
R-CH
11
L-
13
L+
79 DMPORT DET
77 CLINK_TXD_OUT
78 CLINK_RXD_IN
77 CLINK_TXD_OUT
78 CLINK_RXD_IN
LINE
AMP
AMP
IC101
DAB TUNER MODULE
DAB601
AUDL
J601
S1_DOUT
R-CH
S1_DIN
48 DAB RXD_IN
47 DAB TXD_OUT
47 DAB TXD_OUT
(UK)
LINE
AMP
AMP
IC304
(Page 18)
(Page 17)
(Page 18)
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