Block Diagram - Display/Key Control Section - Sony XR-C8220R Service Manual
Fm/mw/lw cassette car stereo
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Also See for XR-C8220R:
- Operating instructions manual (140 pages) ,
- Service manual (58 pages) ,
- Operating instructions manual (208 pages)
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7-4.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL Section –
VOLUME/BASS/TREBLE/
BALANCE/FADER CONTROL
LSW900 – 918,
D510
S900, SW801
J500
REMOTE IN
D506
48 72
46
47
93
92
73
74
X601
X600
32.768kHz
3.68MHz
21
05
RE900
ROTARY
ENCODER
RE900
KEY ACTIVE
SWITCH
BACKUP +5V
Q510, 511
36 37
76
35
SYSTEM CONTROLLER
IC600 (4/5)
13 14 16
32
LSW900, 901, 903,
LSW904, 906 – 910,
LSW912 – 918
R952
OSC
20
18 17
19
14
LIQUID CRYSTAL DISPLAY DRIVER
IC900
SEG101 – SEG165
26 – 90
LIQUID CRYSTAL DISPLAY
LCD900
– 29 –
LED800
(TAPE WINDOW)
LED802
6
LED800, 802
LED DRIVE
BUZZER
SW500
BZ600
Q501
DRIVE
(NOSE DETECT)
(BUZZER)
Q601
80
15
59
LED900 – 907,
LSW902, 905, 911
LED DRIVE
LED DRIVE
Q901
Q900
Q902
Q903
2
1
11 – 6
VLC0 – VLC5
COM100 – COM107
100 – 93
LED801
TIR
LED DRIVE
Q502
31
41
P-ON +10V
LCD +10V
CONTRAST
SWITCHING
LCD +10V
Q508, 509
– 30 –
XR-C8220R
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