Block Diagram - Display/Key Control Section - Sony XR-C7500R Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-3. BLOCK DIAGRAM – DISPLAY/KEY CONTROL Section –
D520 LSW801,901–917,
S901 – 904
J520
REMOTE IN
48 72 46
4 106
T E
L 1 3 9 4 2 2 9 6 5 1 3
DSPDATA,DSPCKO
(Page 18) G
18.432MHz
61 63 33 57
86
LIQUID CRYSTAL DISPLAY
DRIVE CONTROLLER
IC800 (1/2)
w w w
05
.
RE901
ROTARY
ENCODER VOLUME/BALANCE/
FADER CONTROL
RE901
D580
47 116 115 79
12 13
CNP801
(XR-C7500R)
CN801
CN901
(XR-C7500RX)
FRONT PANEL SIDE
MAIN BODY SIDE
8 1
X800
85 62
60
64 66
100 99 98
SEG1 – SEG74 COM1 – COM8
1 – 74 83 – 76
LIQUID CRYSTAL DISPLAY
x a o
y
LCD901
i
http://www.xiaoyu163.com
8
S600
KEY ACTIVE
(NOSE DETECT)
SWITCH B/U +5V
Q406, 407
80 117
SYSTEM CONTROLLER
IC600 (3/4)
Q Q
3 7 6 3
LSW901 – 908,
LSW910 – 917
LED LED
DRIVE DRIVE
Q902 Q901
(XR-C7500RX) (XR-C7500RX)
C953, R957
OSC
96 85 84
(XR-C7500R) (XR-C7500R)
LIQUID CRYSTAL DISPLAY DRIVER
IC901
u 1 6 3
.
19 19
http://www.xiaoyu163.com
2 4
9 9 8
LED801
LED DRIVE
(TAPE WINDOW),
Q580
LSW801
Z
118
93 92 73 74
X601 X600
3.68MHz 32.768kHz
1 5 1 5 0 8 9 2 4
LCD B+
LED910 – 915
(LCD BACK LIGHT)
LED DRIVE
Q903
86
m
c o
XR-C7500R/C7500RX
2
9 9
BATT B+
9 8 2 9 9
RX
(Page 20)
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