JVC RX-DP10VBK Service Manual page 36

RX-DP10VBK/RX-DP10VSL
RX-DP10RSL
W24L010AJ-12 (IC668, IC669, IC670) : SRAM
1. Pin layout
1
NC
2
A16
3
A14
4
A12
5
A7
6
A6
7
A5
8
A4
9
A3
10
A2
11
A1
12
A0
13
I/O1
14
I/O2
15
I/O3
16
Vss
TC74VHC74FT (IC683) : Flip-flop
1. Pin layout
1CLR 1
1D 2
CK D
Q Q
1CK 3
1PR 4
1Q 5
CK D
1Q 6
Q Q
GND 7
(TOP VIEW)
PQ3DZ53 (IC691, IC692, IC693, IC695, IC696) : Regulator IC
1. Block diaglam
DC INPUT(Vin)
1-36
V
32
DD
31 A15
CS2
30
29 WE
A13
28
A8
27
26 A9
A11
25
24 OE
A10
23
22 CS1
I/O8
21
I/O7
20
19 I/O6
I/O5
18
17 I/O4
14 V
CC
13 2CLR
12 2D
11 2CK
10 2PR
9 2Q
8 2Q
1
CUSTOM IC
2. Block diaglam
V
DD
Vss
A0
DECODER
A16
CS2
CS1
CONTROL
OE
WE
3. Pin function
SYMBOL DESCRIPTION
A0 - A16 Address Input
I/O1 - I/O8 Data Input/Output
CS1, CS2 Chip Select Inputs
WE Write Enable Input
OE Output Enable Input
V Power Supply
DD
Vss Ground
NC No Connection
TC7WH74FU (IC659, IC684) : Clock buffer
1. Pin layout
CK 1
D 2
Q 3
GND 4
3
DC OUTPUT(Vo)
2
ON/OFF CONTROL(Vc)
5
GND
CORE
ARRAY
I/O1
DATA I/O
I/O8
8 VCC
7 PR
6 CLR
5 Q