Sony STR-DA3000ES Service Manual page 106

STR-DA3000ES
• D-AMP BOARD IC1800 B89F538L (SUB SYSTEM CONTROLLER)
Pin No. Pin Name
1 I LIMIT
2 MOD2
3 TEMP
4 to 10 —
11 AVCC
12 AVR
13 AVSS
14 U-MAIN
15 AC-OFF
16 +B
17, 18 —
19 RST
20 MOD0
21 MOD1
22 X0
23 X1
24 VSS
25 VOL-CLK
26 VOL-DATA
27 VOL-LAT
28 DAC-MUTE
29 (P23)
30 (P22)
31 4I-LIMIT
32 DC
33 —
34 4/8OUT
35 DIAG
36 EN
37 MODE1
38 INIT
39 NSP-MUTE
40 (P10)
41 —
42 U-SUB1
43 LAT4
44 LAT3
45 LAT2
46 LAT1
47 F-B RY
48 SR-A RY
49 NC
50 RY
51 SHIFT
52 /SO1 SCDT
106
I/O
I Current detection
I Not used (connected to ground)
I Thermistor connection terminal for temperature detection (A/D input)
— Not used (open)
— Power supply terminal (+3.3V) (for analog)
I Reference voltage (+3.3V) input terminal
— Ground terminal (for analog)
I Clock signal input from main system controller
I Power down detection signal input terminal "L": power down
I + B power supply unusual detection
I Not used (open)
I Reset signal input from the main system controller
I Setting terminal for a memory access mode
I Setting terminal for a memory access mode
O External crystal terminal (8 MHz)
I External crystal terminal (8 MHz)
— Ground terminal
O Serial data transfer clock signal output to the data decoder
O Serial data output to the data decoder
O Serial data latch pulse output to the data decoder
O Muting on/off control signal output terminal
I Not used (connected to ground)
I Not used (connected to VDD)
I Not used
I DC offset detection
I Not used (open)
O Not used (open)
I HIC temperature unusual detection
O Enable/Disable control of HIC
O Mode signal output to PCM/PWM processor
O Initialize signal output to the PCM/PWM processor
O Muting on/off control signal output terminal
— Not used (connected to ground)
O Not used (open)
I Serial data signal input from main system controller
O Serial data latch pulse output to the PCM/PWM processor
O Serial data latch pulse output to the PCM/PWM processor
O Serial data latch pulse output to the PCM/PWM processor
O Serial data latch pulse output to the PCM/PWM processor
O Relay drive signal output terminal
O Not used (open)
— Not used (open)
O Relay drive signal output terminal
O Serial data transfer clock signal output to the PCM/PWM processor
O Serial data output to the PCM/PWM processor
Description