JVC JX-S555, Руководство по обслуживанию

Страница: 20 / 46

JX-S555(J)
20 (No. 70251)
IC902-903 uPC1093J [NEC]
MARKED
SURFACE
TO-92 PACKAGE
IC904 PQ09RD08 [SHARP]
1 2 3 4
2
2 1
3
4
3
1
4
DC input (Vin)
DC output (Vout)
GND
Spesific IC
ON/OFF control terminal (Vc)
1A 1
1Y 2
2A 3
2Y 4
3A 5
3Y 6
GND 7
14 Vcc
13 6A
12 6Y
11 5A
10 5Y
9 4A
8 4Y
(TOP VIEW)
A Y
IC3 TC74HC04AP [TOSHIBA]
1G 1
1A 2
1Y 3
2G 4
2A 5
2Y 6
GND 7
14 Vcc
13 4G
12 4A
11 4Y
10 3G
9 3A
8 3Y
(TOP VIEW)
INPUTS OUTPUTS
G A Y
L X Z
H L L
H H H
X : Don't Care
Z : High Impedance
R13
Q10
R14
R15
D1
Q9
R17
R16
R1
Q1
R2
R4
R5
Q4
Q3
Q2
R3
Q8
R8 R7
R6
R10
R12
R9
C1
Q13
Q14
Q12
Q5 Q6
R11
Q7
Q11
(1) INPUT
(2) OUTPUT
(3) COMMON
INPUT
3
1
2
OUTPUT
COMMON
TA78L005AP 5V
TA78L012AP 12V
Schematic Diagram
IC404 TA78L005AP [TOSHIBA]
IC403 TC74HC126AP [TOSHIBA]