Block Diagram - Main Section - Sony HCD-BX77DBi Service Manual

5-3.

BLOCK DIAGRAM - MAIN Section -

J301 R-CH
AUDIO IN
CD-L
A
(Page 15)
INPUT SELECTOR
IC312
DAB-L X1
F
14
X
13
X0
(Page 16)
12
INH A
6 10
TUNER-L
E
(Page 16)
Q320 Q319
iPod-L
B
(Page 16)
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO
: TUNER (FM/AM)
: CD PLAY
: iPod
: DAB
: AUDIO IN
HCD-BX77DBi
INPUT SELECTOR,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC304
A1
1
B1
3
C1
5
D1
7
SEL1
10
VOL1 OUT1
11 23
26 25
40 39 24 22
SYSTEM CONTROLLER
IC301 (3/4)
POWER AMP
IC601
11 CH1 IN CH1 OUT+ 4
CH1 OUT– 5
13 10
MUTING
Q103
R-CH
MUTING
POWER
CONTROL
MONITOR
SWITCH
Q345
Q340, 341
23 53
17 17
J500
PHONES
R-CH
+
L
–
J302
SPEAKER
+
R
–
DC
DETECT
Q342 – 344
D313
M901
(FAN)
FAN MOTOR
M M
+9V DRIVE
Q316, 317
FAN MOTOR
DETECT
Q307, 347, 348
PROTECT
J (Page 18)
AC DET
K (Page 18)
HCD-BX77DBi