Sony STR-DE495 Service Manual page 14

STR-DE495/DE595
• IC1601 MB9047BPF-G-138-BND (SYSTEM CONTROL) (DIGITAL Board (2/2))
Pin No. Pin Name
1 DATAO
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– VOL IC
17 SPK B RELAY
18 HDOUT
19 HDIN
20 HCLK
21 F.MUTE
22 AC MUTE
23 VCC5
24 ANA/DIG
25 HP DETECT
26 NC
27 FLASH2
28 FLASH1
29 to 32 NC
33 SCL
34 SDA
35 AVCC
36 AVRH
37 AVSS
38 to 41 A/D0 to A/D3
42 VSS
43 RDS SIGNAL
44 MODEL
45 VERSION
46 BLUE LED
47 NC
48 STOP
49 MOD0
50 MOD1
51 MOD2
52 RDS CLOCK
53 RDS DATA
54 SIRCS
55 FUSE DETECT
56 POWER KEY
14
I/O
I Serial data line signal input from DIR IC
I GP9 signal input from DSP IC
O Boot stop control signal output for DSP IC
O Chip select signal output for DSP IC
I Acknowledge signal input from DSP IC
O Reset signal output for DSP IC
O PLL control signal output for DSP IC
O Power down signal output for CODEC IC
O Soft mute signal output for CODEC IC
O Control data output for CODEC IC
— Ground
O Serial data clock signal output for CODEC IC
O Latch signal output for CODEC IC
O Serial data output for VOL/TUNER IC
O Clock signal output for VOL/TUNER IC
O Latch signal output for VOL/TUNER IC
O Speaker B relay driver control signal output (STR-DE595 only)
I Serial data input from DSP IC
O Serial data output for DSP IC
O Serial data clock signal output for DSP IC
O Function mute control signal output
O Power amplifier mute control signal output
— Power supply pin (+3.3 V)
O Muting and error port signal output
I Headphone detection signal input
— Not used (Fixed at L)
— Flash programming signal output 2
— Flash programming signal output 1
— Not used (Fixed at L)
O Clock signal output for EEPROM IC
I/O Serial data input/output for EEPROM IC
— Power supply pin (+3.3 V)
— Power supply pin (+3.3 V)
— Ground
I Key signal input (A/D port)
— Ground
I RDS signal level input (AEP, UK model only)
Model detection signal input (Fixed at L: US, Canadian model, H: Except for US,
I
Canadian model)
Destination detection signal input (Fixed at L: US, Canadian model, H: Except for US,
I
Canadian model)
O LED (MULTI CHANNEL DECODING) driver signal output (STR-DE595 only)
— Not used (Fixed at L)
I AC off detection signal input
— Selection of micon operation mode
— Not used (Connect to AVCC)
— Selection of micon operation mode
I RDS data clock signal input (AEP, UK model only)
I RDS data input (AEP, UK model only)
I SIRCS signal input
I Fuse open detection signal input
I Power key detection signal input
Pin Description