Sony STR-DA2800ES Service Manual page 141

A-VIDEO BOARD IC6206 MB90F058PF-G-JNE1 (SUB SYSTEM CONTROLLER)
Pin No. Pin Name
1 to 4 -
5 IR-LEARN-UART_RX
6 IR-LEARN-UART_TX
7 to 11 -
12 LED_MLT_DIM
13 X0A
14 X1A
15 VCC_3.3V
16 VSS_GND
17 C
18 to 20 -
21 FL_LAT
22 FL_DATA
23 FL_CLK
24 ACDC_STOP
25 POWER_RY
26 UPDATE_SEL_B
27 UPDATE_SEL_A
MAIN_UCOM_
28
ENDFLAG
29 UART_MAI/SUB
30 UART_SUB/MAIN
31 -
32 AVCC_3.3V
33 AVRH
34 -
35 AVSS
36 MAIN UCOM RESET
37 MAIN_UCOM_MD
38 LED_MULTI_ON/OFF
39 NET_ENDFLAG
40 (VER)
41 AD_KEY3
42, 43 AD_KEY2, AD_KEY1
44 VSS_GND
45 SIRCS_IN
46 FUNC_JOG1
47 FUNC_JOG2
48 VOL_JOG1
49 VOL_JOG2
50 RES_TRG
51 MD2
52 MD1
53 MD0
54 RST
55 DSP+12V EN
56 CTRL EN
57 MTK EN
58 D-VIDEO EN
59 UPDATE_SEL/SUB
60 UPDATE_SUB/SEL
61 UPDATE_SCK
62 UPDATE_SEL_C
63 FREC_CT
64 -
I/O
- Not used
I Serial data input terminal
O Serial data output terminal
- Not used
O Dimmer on/off control signal output terminal
I Sub system input terminal
O Sub system output terminal
- Power supply terminal (+3.3V)
- Ground terminal
- Regulator stabilization capacitor connection terminal
- Not used
O Serial data latch pulse signal output to the fl uorescent indicator tube
O Serial data output to the fl uorescent indicator tube
O Serial data transfer clock signal output to the fl uorescent indicator tube
I ACDC stop detection signal input terminal
O Relay drive signal (for main power) output terminal
O Update signal selection signal output to the data selector
O Update signal selection signal output to the data selector
I Writing end fl ag signal input from the main system controller
I Serial data input from the main system controller
O Serial data output to the main system controller
- Not used
- Power supply terminal (+3.3V)
I Reference voltage (+3.3V) input terminal
- Not used
- Ground terminal
O Reset signal output to the main system controller
O Mode selection signal output to the main system controller
O LED drive signal output terminal
I Writing end fl ag signal input from the audio/video signal processor
I Model setting terminal
I Key input terminal Not used
I Front panel key input terminal (A/D input)
- Ground terminal
I SIRCS signal input terminal
I Jog dial pulse input from the rotary encoder (A phase input) (for INPUT SELECTOR)
I Jog dial pulse input from the rotary encoder (B phase input) (for INPUT SELECTOR)
I Jog dial pulse input from the rotary encoder (A phase input) (for MASTER VOLUME)
I Jog dial pulse input from the rotary encoder (B phase input) (for MASTER VOLUME)
O Reset signal output terminal for sub system controller
I Mode selection signal input terminal
I Mode selection signal input terminal
I Mode selection signal input terminal
System reset signal input from the reset signal generator
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O Power supply on/off control signal output terminal for main power supply
Power supply on/off control signal output terminal for video and network section +5.5V power
O
supply "H": power on
Power supply on/off control signal output terminal for network section +10V power supply
O
"H": power on
Power supply on/off control signal output terminal for video section power supply
O
"H": power on
I Update signal input from the audio/video signal decoder and RS232C connector
O Update signal output to the audio/video signal decoder and RS232C connector
I Update clock signal input terminal
O Update signal selection signal output to the data selector
O Power supply on/off control signal output terminal for +12V power supply
- Not used
Description
Not used
Not used
Not used
Not used
Not used
"H": ACDC stop
"H": relay on
"L": reset
Not used
"L": reset
Fixed at "H" in this unit
STR-DA2800ES
"H": end
"H": end
"L": reset
"H": power on
"H": power on
141