Block Diagram - Display/Key Control Section - Sony MDX-C8900R Service Manual
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Also See for MDX-C8900R:
- Operating instructions manual (186 pages) ,
- Service manual (88 pages)
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4-4. BLOCK DIAGRAM – DISPLAY/KEY CONTROL Section –
VOLUME/BASS/TREBLE/
BALANCE/FADER CONTROL
D505
LSW701, 900 – 918,
S900
CNJ500
REMOTE IN
D503
48 72
46
47
93
74
92
73
X501
X500
32kHz
3.68MHz
21
05
RE900
ROTARY
ENCODER
RE900
KEY ACTIVE
SWITCH
BACKUP +5V
Q523
36 37
76
35
MASTER CONTROLLER
IC500 (3/4)
13 14 16
32
R952
OSC
LIQUID CRYSTAL DISPLAY DRIVER
IC900
20
18 17
19
14
SEG101 – SEG165
26 – 90
LIQUID CRYSTAL DISPLAY
LCD900
– 35 –
CN900
10
FRONT PANEL SIDE
SW503
(NOSE DETECT)
CN500
11
MAIN BODY SIDE
80
12
15
LSW900, 901, 903,
LED900 – 907,
LSW904, 906 – 910,
LSW902, 905, 911
LSW912 – 918
LED DRIVE
LED DRIVE
Q901
Q900
Q902
Q903
2
1
COM100 – COM107
100 – 93
DOOR SW
J
(Page 38)
LED701
TIR
BUZZER
LED DRIVE
BZ501
DRIVE
Q529
(BUZZER)
Q526
31
41
P-ON +10V
LCD +10V
CONTRAST
SWITCHING
LCD +10V
Q503, 504
11 – 6
VLC0 – VLC5
– 36 –
MDX-C8900R
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