Sony STR-KSL40 Service Manual page 8

STR-KSL40/SL40
• IC1601MB90478PF-G-139-BND (SYSTEM CONTROL) (DIGITAL BOARD)
Pin No. Pin Name
1 DATA O
2 GP9
3 BST
4 HCS
5 HACN
6 XRST
7 PM
8 PD
9 SMUTE
10 CDT1
11 VSS
12 SCL
13 CS
14 DATA
15 CLK
16 LATCH
17 WOOFER RELAY
18 HDOUT
19 HDIN
20 HCLK
21 F.MUTE
22 VIDEO-SW1
23 VCC5
24 ANA/DIG
25 NOT IN USE
26 VIDEO SW2
27 FLASH2
28 FLASH1
29 VIDEO-MUTE
30 NC
31 NC
32 NC
33 SCL
34 SDA
35 AVCC
36 AVRH
37 AVSS
38 A/D0
39 A/D1
40 A/D2
41 A/D3
42 VSS
43 RDS SIGNAL
44 MODEL
45 VERSION
46 NC
47 CRYSTAL SEL
48 STOP
49 MD0
50 MD1
8
I/O
I Serial data input from LC89056W
I External memory data input from CXD9617R
O Boot strap signal output to CXD9617R
O Chip selection signal output to CXD9617R
I Acknowledge signal input from CXD9617R
O Reset signal output to CXD9617R
O PLL initialization signal output to CXD9617R
O PD signal output to AK4527B
O Smute signal output to AK4527B
O CDT1 signal output to AK4527B
— Ground
O Serial clock signal output to AK4527B
O Chip selection signal output to AK4527B
O Serial control data output to the tuner and M61527FP
O Serial control clock output to the tuner and M61527FP
O Latch signal to M61527FP
O Sub woofer relay control signal output
I Serial data input from CXD9617R
O Serial data output to CXD9617R
O Clock signal output to CXD9617R
O Function mute signal output
O Video switch signal output to the NJM2279
— Power supply (+3.3V (STBY))
O Function mute and error port signal output
I Not used (pull down)
O Video switch signal output to NJM2279
I Flash programming input
I Flash programming input
O Video mute signal output to NJM2279
I Not used (pull down)
I Not used (pull down)
I Not used (pull down)
O SCL signal output to the EEPROM
I/O SDA signal from the EEPROM
— Power supply (+3.3V(STBY))
I A Vref input (connected to +3.3 (STBY))
— Ground
I Not used (pull down)
I Key signal input
I Key signal input
I Key signal input
— Ground
I RDS signal input to tuner
I Model detection input
I Version resisrtor input
I Not used (pull down)
I Not used (pull down)
I AC off signal input
I Flash programming MD0 input
I Not used (connected to +3.3V(STBY))
Description