JVC TK-C720TPE, Руководство по обслуживанию

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3-10 3-10
3.15 BLOCK DIAGRAMS of IC'S
䡵
AK6420AM-X [ASAHIKASEI]
(2048 bits (128 Words X 16 bits) EEPROM)
䡵
AN8085M-X [MATSUSHITA]
(REG Servo)
䡵
BA10358F-XE [ROHM]
(Dual Ground Sense Op.Amp.)
䡵
CXA2006Q [SONY]
(Digital CCD Camera Head Amplifier)
䡵
CD74HC4053PW-X [TEXAS INSTRUMENTS]
(Analog Multiplexers/Demultiplexers)
(TOP VIEW)
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
B1
B0
C1
CN
C0
E
GND
VEE
VCC
AN
A1
A0
S0
S1
S2
BN
CHANNEL
IN/OUT
IN/OUT
COM OUT/IN
CHANNEL
IN/OUT
COM OUT/IN
COM OUT/IN
TG
TG
TG
TG
TG
TG
14
11
10
9
6
E
S2
S1
S0
7
GND VEE
16
VCC
15
C COMMON
OUT/IN
4
B COMMON
OUT/IN
A COMMON
OUT/IN
LOGIC LEVEL
CONVERSION
BINARY TO
1 OF 2
DECODERS
WITH ENABLE
12 13 2 1 5 3
C1 C0 B1 B0 A1 A0
IN/OUT
8
TRUTH TABLE
FUNCTIONAL DIAGRAM
INPUT STATES
“ON”
CHANNELS
ENABLE S0 S1 S2
L L L L C0, B0, A0
L H L L C0, B0, A1
L L H L C0, B1, A0
L H H L C0, B1, A1
L L L H C1, B0, A0
L H L H C1, B0, A1
L L H H C1, B1, A0
L H H H C1, B1, A1
H X X X None
X = Don’t care