Read Sony TC-KE240 / TC-RE340 Service Manual online
27
• IC Block Diagrams
IC304
MC14052BCP
IC902
M35500BGP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2X0
X2
VDD
X1
XCOM
X0
X3
A
B
VSS
VEE
INH
2X1
2X3
2XCOM
2X2
33
34
35
33
33
33
33
33
33
33
43
44
2
1
3
4
36
37
38
39
40
41
42
32 31 30 29 28 27 26
25 24 23
22
21
20
19
18
17
16
15
14
13
12
DIGITAL/SEGMENT
OUTPUT CIRCUIT
DISPLAY CONTROL
CIRCUIT
DISPLAY
RAM
MEMORY
ADDRESS
TRIGGER
SERIAL
I/O
TRANSFER
COUNTER
MODE
REGISTER
DIG4
DIG5
DIG6
DIG7
DIG8/SEG17
DIG9/SEG16
DIG10/SEG15
DIG11/SEG14
DIG12/SEG13
DIG13/SEG12
DIG14/SEG11
DIG15/SEG10
DIG3
DIG2
DIG2
DIG1
DIG0
VEE
VEE
SCLK
SOUT
SIN
SOUT
SIN
CS
DIGITAL
OUTPUT CIRCUIT
COMMAND
ANALYTIC CIRCUIT
A-D
CONVERTER
CLOCK
GENERATOR
NOISE FILTER
NOISE FILTER
6 7 8 9 10 11
DIG16/SEG9
DIG17/SEG8
DIG17/SEG8
SEG7
SEG6
SEG5
SEG5
SEG4
SEG3
SEG2
SEG2
SEG1
SEG0
SEG0
VDD
VDD
XOUT
VSS
XIN
5
RESET
AN5
AN4
AN3
AN2
AN1
AN0
SELECTOR/A-D
CONTROL CIRCUIT
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