Sony STR-DB840 Service Manual page 47

IC1402 IDT71V016S15PH-AUTL (DIGITAL Board)
A4 1
A3 2
A2 3
A1 4
A0 5
CHIP ENABLE
CS 6
BUFFER
I/O 0 7
I/O 1 8
I/O 2 9
I/O 3 10
VDD 11
VSS 12
I/O 4 13
I/O 5 14
I/O 6 15
I/O 7 16
WRITE ENABLE
WE 17
BUFFER
A15 18
A14 19
A13 20
A12 21
NC 22
IC1403 TC74VHC367FT (EL) (DIGITAL Board)
G1 1
16
15
1A 2
14
1Y 3
13
2A 4
12
2Y 5
11
3A 6
10
3Y 7
9
GND 8
IC2002 BA7622 (OSD Board (DB940))
75OHM
DRIVER
GND 1
75OHM
DRIVER
IN1 2
75OHM
DRIVER
IN2 3
IN3 4
ROW/COLUMN
DECODER
64K x 16
MEMORY
ARRAY
LOW SENSE AMP
BYTE &
I/O WRITE
BUFFER PRIVER
VCC
G2
6A
6Y
5A
5Y
4A
4Y
8 OUT1
7 OUT2
6 OUT3
5 VCC
OUTPUT ENABLE
BUFFER
BYTE ENABLE
BUFFER
HIGH
BYTE
I/O
BUFFER
IC1503 AK4527 (DIGITAL Board)
44 43 42 41 40 39 38 37 36 35 34
SDOS 1
I2C 2
SMUTE 3
BICK 4
LRCK 5
SDTI1 6
SDTI2 7
SDTI3 8
SDTO 9
FORMAT
DAUX 10
CONVERTER
DFS 11
12 13 14 15 16 17 18 19 20 21 22
IC2006, 2008 LA7213 (OSD Board (DB940))
SYNC V-SYNC
SEP SEP
1 2 3 4 5
44 A5
43 A6
42 A7
41 OE
40 BHE
39 BLE
38 I/O 15
37 I/O 14
36 I/O 13
35 I/O 12
34 VSS
33 VDD
32 I/O 11
31 I/O 10
30 I/O 9
29 I/O 8
28 NC
27 A8
26 A9
25 A10
24 A11
23 NC
INPUT
CIRCUIT
OUTPUT
AUDIO
CIRCUIT
INTERFACE
33 DZF2
32 RIN+
31 RIN–
30 LIN+
29 LIN–
28 ROUT1
27 LOUT1
26 ROUT2
25 LOUT2
24 ROUT3
23 LOUT3
47