Ic Pin Function Descriptions; Tuner; Level - Sony STR-KSL7 Service Manual

3-15. IC PIN FUNCTION DESCRIPTIONS

• IC101 MB90553ABPF-G-209-BND (SYSTEM CONTROL) (DIGITAL BOARD)
Pin No. Pin Name
1 SFLAG
2

TUNER

3 MENU
4 SET UP
5 RSTAD
6 AMP CE3
7 AMP CE2
8 AMP CE1
9 S.SHIFT
10 S.DATA
11 VSS
12 EN
13 NSPMUTE
14 PGMUTE
15 RST
16 FL DATA
17 FL CLK
18 FL LATCH
19 FLASH DATA OUT
20 FLASH DATA IN
21 DSP CLK
22 DSP SI
23 VCC
24 DSP SO
25 DSP CS
26 P47
27 C
28 POWER ON/OFF
29 to 30 P51 - 52
31 MCD
32 TUNER
33 LED 5.1
34 AVCC
35 AVRH
36 AVRL
37 AVSS
38 KEY INPUT1
39 KEY INPUT2
40 KEY INPUT3
41 VERSION
42 VSS
43 VOL UP
44 VOL DOWN
45 to 46 P66 - 67
47 STOP
48 DIAG
49 MD0
50 MD1
51 MD2
52 HSTX
I/O
I Not used (connected to ground)
O SURR LED control signal output
O LEVEL LED control signal output
O SET UP LED control signal output
O Reset signal output to ADC
O Serial control latch signal output to IC309
O Serial control latch signal output to IC315
O Serial control latch signal output to IC318
O Serial control shift clock signal output to IC309, IC315 and IC318
O Serial control data signal output to IC309, IC315 and IC318
— Ground
O Output enable signal output
O Noise shaper register clear signal output to IC309, IC315 and IC318
O Gain muting control signal output to IC309, IC315 and IC318
O Reset signal output to IC309, IC315 and IC318
O Serial control data output to the FL driver
O Clock signal output to the FL driver
O Latch signal output to the FL driver
I Terminal for flash programming
I Terminal for flash programming
O Clock output to Sub DSP
O Serial data output to Sub DSP
— Power supply
I Serial data input from DSP
O Chip select signal output to DSP
I Not used (connected to ground)
— Terminal of a capacitor for regulating the power supply
O Power on/off control signal output (ON : H, OFF : L)
I Not used (connected to ground)
O MULTI CHANNEL DECODING LED control signal output
O TUNER LED control signal output
O MULTI CH IN LED control signal output
— A/D converter power supply
— A/D converter external voltage source
— A/D converter external voltage source
— A/D converter ground
I Key data signal input from S107 - 114, 117
I Key data signal input from S113, 115, 116
I Key data signal input from S101 - 106
I Version setting input
— Ground
I Volume signal input from the rotary encoder
I Volume signal input from the rotary encoder
I Not used (connected to ground)
I Power stop detection signal input
I Thermal protection detection signal input from the power driver
I Terminal for flash programming
I Operation mode setting input
I Terminal for flash programming
I Hardware standby input
STR-KSL7/SL7/TA-KSL7
Description
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