Sony STR-K990 Service Manual page 44
Multichannel av receiver
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Also See for STR-K990:
- Operating instructions manual (80 pages) ,
- Service manual (62 pages)
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• IC Pin Function Description
DIGITAL BOARD IC1101 MB90F045PF-G-9034-SPE1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
1
DATAO
2
GP9
3
BST
4
HCS
5
HACN
6
XRST
7
PM
8
GP12
9
FL_LAT
10
PCM1609/1803_RST
11
VSS
12
PCM1609_ML
13
PCM1609_MC
14
PCM1609_MDI
15
PCM1609_MDO
16
FL_CLK
17
FL_DATA
18
HDOUT
19
HDIN
20
HCLK
TE
L 13942296513
21
TUNING_A
22
TUNING_B
23
VCC5
24
V_SW1
25
V_SW2
26
C LINK_DET
FLASH2/C LINK_RX
27
(MICLO)
FLASH1/C LINK_TX
28
(MDCLI)
29
SDA
30
SCL
31
ENC_A
32
ENC_B
33
NC
34
NC
35
AVCC
36
AVRH
37
AVSS
38
ADCC
39
A/D1
www
40
A/D2
41
VERSION
42
VSS
.
43
TUNER SD
44
MODEL
45
VAX CTRL
44
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I/O
I
Audio data signal input from DIR
I
GP9 signal input from DSP
O
BST signal output to DSP
O
HCS signal output to DSP
I
HACN signal input from DSP
O
Reset signal output to DSP
O
PM signal output to DSP
O
GP12 signal output to DSP
O
FL driver latch signal output
O
IC reset signal output to DAC and ADC
—
Ground terminal
O
Latch signal output to DAC
O
Clock signal output to DAC
O
IC data output to DAC
I
IC data input from DAC
O
FL driver clock signal output terminal
O
FL driver data signal output terminal
I
HDOUT signal input from DSP
O
HDIN signal output to DSP
O
Clock signal output to DSP
I
Tuning encoder input (not used)
I
Tuning encoder input (not used)
—
Power supply (+3.3V)
O
Composite video signal select 1
O
Composite video signal select 2
I
C link detect input
I
C link Rx data input
O
C link Tx data output
I
EEPROM data signal input terminal
O
EEPROM clock signal output terminal
I
Input selector Encoder (A) signal input
I
Input selector Encoder (B) signal input
—
Not used (Open)
—
Not used (Open)
—
Analog power supply (+3.3V)
I
Analog reference voltage input (+3.3V)
—
Analog ground terminal
I
ADCC signal input
I
Function key push signal input
I
Function key push signal input
I
Version setting input terminal (DESTINATION)
x
ao
u163
y
—
Ground terminal
i
I
RDS signal detect input
I
MODEL select input
I
Vacs control input
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2 9
8
Description
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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