Sony STR-DA2800ES Service Manual page 138

STR-DA2800ES
CONTROL BOARD IC2501 MB91F644PMC-GE1 (MAIN SYSTEM CONTROLLER)
Pin No. Pin Name
1 VSS
2 C
3 PT_STOP
4 3RD_RELAY (A58)
5 FH-PREOUT-RY (A58)
6 SURR/SPB RY (A58)
7 FUNC_LAT (A58)
8 D.MIX_LAT (A58)
9 VOL_LAT (A58)
10 COM2_CLK
11 COM2_DATA
EVOL_2ND_DATA
12
(A28)
13 2ND_RELAY
14 EVOL_CLK
15 EVOL_DATA
16 CD-DIRECT_RY (A58)
17 A-VIDEO_I2C_SDA
18 NC
19 A-VIDEO_I2C_SCL
20 PREOUT_RY
21 HP-RY
22 SB-RY
23 SR-RY
24 C-RY
25 SP-B-RY
26 SP-A-RY
27 4/8-RY
28 FH/FW-SP-RY (A58)
AMP_FAN_DETECT
29
(A58)
30 VOL Latch 2 (A58)
31, 32 NC
33 VSS
34 VCC
35 Video Ucom Mode
36 D-video_Reg_EN_2
37, 38 NC
39 INIT_L>H
40 MD0_H
41 MD1_L
42 X0
43 X1
44 VSS
45 D-video_Reg_EN_1
46 Video Ucom RST
47 Video Ucom End Flag
TEMP_SENSOR_1
48
(A28)
TEMP_SENSOR_2
49
(A28)
50 COMP_DET-AD
51 COMP2_DET-AD (A58)
52 VERSION
53 UPDATE_MAIN/SEL_H
54 UPDATE_SEL/MAIN_H
55 UPDATE_SCK
56 BT RTS (N203)
138
I/O
- Ground terminal
- External capacitor connection terminal
I AC cut detection signal input terminal
O Relay drive signal output terminal
O Relay drive signal output terminal
O Relay drive signal output terminal
O Serial data latch pulse signal output terminal
O Serial data latch pulse signal output terminal
O Serial data latch pulse signal output terminal
O Serial data transfer clock signal output to the electrical volume and A/D converter
O Serial data output to the A/D converter
O Serial data output to the electrical volume
O Relay drive signal (for zone 2) output terminal
O Serial data transfer clock signal output to the audio input selector
O Serial data output to the audio input selector
O Relay drive signal output terminal
I/O Two-way I2C serial data bus with the video input selector
O Not used
O Serial data transfer clock signal output to the video input selector
O Relay drive signal (for subwoofer) output terminal
O Relay drive signal (for headphone) output terminal
O Relay drive signal (for surround back of speaker) output terminal
O Relay drive signal (for surround of speaker) output terminal
O Relay drive signal (for center of speaker) output terminal
O Relay drive signal (for front B of speaker) output terminal
O Relay drive signal (for front A of speaker) output terminal
Relay drive signal (for speaker impedance 4/8 ohm selection) output terminal
O
"L": 4 ohm, "H": 8 ohm
O Relay drive signal output terminal
I Fan motor stop detection signal input terminal
O Serial data latch pulse signal output terminal
- Not used
- Ground terminal
- Power supply terminal (+3.3V)
O Mode selection signal output to the video system controller "H": writing mode
O Power supply on/off control signal output terminal for CEC selection relay
- Not used
I Reset signal input from the sub system controller
I Mode selection signal input from the sub system controller
I Mode selection signal input terminal
I System clock input terminal (4 MHz)
O System clock output terminal (4 MHz)
- Ground terminal
O Power supply on/off control signal output terminal for video system controller
O Reset signal output to the video system controller
I End fl ag signal input from the video system controller
I Temperature sensor input terminal
I Temperature sensor input terminal
I Component video signal detection input terminal
I Component video signal detection input terminal
I Destination setting terminal
O Update signal output to the audio/video signal decoder and RS232C connector
I Update signal input from the audio/video signal decoder and RS232C connector
O Clock signal output terminal (for writing)
- Not used
Description
"H": AC cut
Not used
Not used
Not used
Not used
Not used
Not used
"H": relay on
Not used
"H": relay on
"H": relay on
"H": relay on
"H": relay on
"H": relay on
"H": relay on
Not used
Not used
Not used
"L": reset
Fixed at "L" in this unit
"L": reset
Not used
"H": relay on
"H": power on
"H": power on