Read Sony HCD-BX77DBI Service Manual online
HCD-BX77DBi
HCD-BX77DBi
17
17
5-3. BLOCK DIAGRAM - MAIN Section -
AUDIO IN
R-CH
J301
CD-L
A
DAB-L
F
TUNER-L
E
iPod-L
B
PROTECT
J
10
3
1
26
SDA
25
SCL
AMP
DA
TA
24
AMP
CLOCK
22
INH
40
SEL
A
39
TA
LINE MUTE
23
OUT1
INPUT SELECTOR,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC304
SYSTEM CONTROLLER
IC301 (3/4)
: AUDIO
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: AUDIO IN
: TUNER (FM/AM)
D1
5
C1
SEL1
VOL1
B1
A1
INPUT SELECTOR
IC312
A
13
14
12
10
X1
X0
Q319
INH
6
Q320
X
11
MUTING
Q103
R-CH
23
MUTING
CONTROL
SWITCH
Q340, 341
: DAB
POWER AMP
IC601
11 CH1 IN
10
MONIT
OR
CH1 OUT+ 4
CH1 OUT– 5
CH1 OUT– 5
13
STBY
J500
R-CH
PHONES
SPEAKER
+
–
–
–
+
R
L
J302
DC
DETECT
Q342 – 344
POWER
MONITOR
Q345
M901
(FAN)
+9V
M
M
AC DET
K
D313
STK-ON
53
FAN MOTOR
DRIVE
Q316, 317
FAN MOTOR
DETECT
Q307, 347, 348
: iPod
7
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(Page 16)
(Page 16)
(Page 16)
(Page 18)
(Page 18)
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