Read Sony CDX-GT270MP / CDX-GT274MP / CDX-GT277ME / CDX-GT320MP Service Manual online
CDX-GT270MP/GT274MP/GT277ME/GT320MP
27
– KEY Board –
IC903 PT16511-LQ
IC402 MM1836A33NRE
VOUT
4
CONT 1
GND 2
NC 3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
SEG1/GP1/PW1 1
SEG2/GP2/PW2 2
SEG3/GP3/PW3 3
SEG2/GP2/PW2 2
SEG3/GP3/PW3 3
SEG4/GP4 4
SEG5 5
SEG6 6
SEG7 7
SEG8 8
SEG9 9
SEG6 6
SEG7 7
SEG8 8
SEG9 9
SEG10 10
SEG11 11
SEG12 12
COM2
36
COM1
35
SEG34
34
SEG33
33
SEG32
32
SEG31
31
SEG30
30
SEG29
29
SEG28
28
SEG27
27
SEG26
26
SEG25
25
SEG13
13
SEG14
14
SEG15
15
SEG16
16
SEG17
17
SEG18
18
SEG19
19
SEG20
20
SEG21
21
SEG22
22
SEG23
23
SEG24
24
INHB
45
VLCD1
41
VDD
40
OSC
44
VSS
43
VLCD2
42
SEG35
39
COM4
38
COM3
37
CLOCK
GENERATOR
SEGMENT DRIVER
&
LATCH
COMMON
DRIVER
CS
46
SI
48
CLK
47
SHIFT
REGISTER
ADDRESS
DETECTOR
PWM
DRIVER
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