Sony STR-K670P Service Manual page 31

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• IC Pin Function Description
DIGITAL BOARD IC1101 MB90488BPF-G-137E1 (SYSTEM CONTROL)
Pin No. Pin Name
1
2
3
4
5
6
7
8
9 PCM1800RST
10 PCM1608RST
11
12 PCM1608ML
13 PCM1608MC
14 PCM1608MDI
15 PCM1608MDO
16
17
18
19
20
TE
L 13942296513
21 DLY_B PASS
22
23
24 SYS_MUTE
25 ANA/DIG
26 UPCON_RST
27 FLASH2/VOL_CL
28 FLASH1/VOL_DA
29
30
31
32
33
34 UPCON_CLK
35
36
37
38
39
40
41 VERSION
www
42
43 RDS SIG
44
.
45 VOL ENCODER (A)
46 VOL ENCODER (B)
47 BLUE LED
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I/O
DATAO I Audio data signal input from DIR
GP9 I GP9 signal input from DSP
BST O BST signal output to DSP
HCS O HCS signal output to DSP
HACN I HACN signal input from DSP
XRST O Reset signal output to DSP
PM O PM signal output to DSP
GP12 O GP12 signal output to DSP
O IC reset signal output to ADC
O IC reset signal output to DAC
VSS — Ground terminal
O Latch signal output to DAC
O Clock signal output to DAC
O IC data output to DAC
I IC data input to DAC
T_CLK O Tuner clock signal output terminal
T_DI O Tuner data signal output terminal
HDOUT I HDOUT signal input from DSP
HDIN O HDIN signal output to DSP
HCLK O Clock signal output to DSP
— Connected to ground terminal
DIR/AD — Connected to ground terminal
VCC5 — Power supply
O Muting and error signal output
O Analog signal or digital signal output terminal
— Not used
O Volume IC clock signal output terminal
O Volume IC data and latch signal output terminal
SDA I EEPROM data signal input terminal
SCL O EEPROM clock signal output terminal
ENC_A — Short to ground terminal
ENC_B — Short to ground terminal
UPCON — Not used
— Not used
AVCC — Analog power supply
AVRH I Analog reference voltage input
AVSS — Analog ground terminal
A/D0 I Function key push signal input
A/D1 I Function key push signal input
A/D2 I Function key push signal input
I Version setting input terminal (DESTINATION)
VSS — Ground terminal
I RDS signal detect input
x ao
y
MODEL I Version setting input (MODEL)
i
I Volume signal input from rotary encoder
I Volume signal input from rotary encoder
— Not used
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