Block Diagram - Main Section - Sony HCD-HX50BTR Service Manual

HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
6-3.

BLOCK DIAGRAM - MAIN Section -

R-CH
J981
AUDIO IN
CD-L
A
(Page 16)
BT-L
E
(Page 17)
(HX50BTR/HX70BTR/HX90BTR)
TUNER-L
D
(Page 17)
CN901
DMPORT
13
L+
11
L–
14
R+
R-CH
12
R–
6
TXD
5
RXD
7
DET
(HX80R/HX90BTR)
ANTENNA DAB TUNER MODULE
DAB 75Ω DAB ANT AUDL
AUDR R-CH
S1_DOUT
S1_DIN
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
LINE AMP
IC521
LOW-PASS
FILTER
IC803
47 48 84 77 78 85
INPUT SELECTOR, ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
A2
2
B2
4
D2
8
C2
6
INPUT SELECTOR
IC503
X1
14
X0 X
12 13
X2
15
SEL2
9
10 9 6
VOL2
12
70 71 72
SYSTEM CONTROLLER
IC301 (3/5)
18 18
R-ch is omitted due to same as L-ch.
SIGNAL PATH
(HX50BTR/HX70BTR/HX90BTR)
OUTPUT SELECTOR
IC510
X1
IC501 14
X
HEADPHONE
13
X0
12 AMP
IC551
A
10
Q388
(HX80R)
CONTROL SWITCH
OUT2
19
MUTING
Q511
26 25
R-CH
MUTING
CONTROL SWITCH
Q389, 504
24 22 89 88
(HX50BTR/HX70BTR/HX90BTR)
: AUDIO
: TUNER (FM/AM)
: CD PLAY
: DMPORT
: TUNER (DAB)
: AUDIO IN
BT OUT-L
F
(Page 17)
(HX50BTR/HX70BTR/HX90BTR)
R-CH
J982
MUTING
PHONES
Q554
R-CH
MUTING
Q387, 551
L-CH
G
(Page 19)
87 86