Sony STR-DH550 Service Manual page 53

MAIN BOARD (4/7) IC2001 MB9AF156NPMC-G-JNK1E2 (SYSTEM CONTROL)
Pin No. Pin Name
1 VCC
2 DSP_INT
3 DSP_RST
4 POWER_RY
5 TUN_RDS_SIGNAL
6 TUNER_SDA
7 TUNER_SCL
8 TUNER_CE
9 DAC-IIC-SDA
10 DAC-IIC-SCL
11 BRIDGEABLE_RY
12 SBL_SBR_RY
13 SW_RY
14 FRONT_SPK_RY
15 C/SL_SR_RY
16 EVOL_DATA
17 EVOL_CLK
18 PROTECT
19 E2P_SDA
20 E2P_SCL
21 NO_USE
22 NO_USE
23 HP-RY
24 HP-DETECT
25 VSS
26 VCC
27 BT_MUTE
28 NFC-RF-DET
29 P-CONT
30 NO_USE
31 NO_USE
32 NO_USE
33 C
34 VSS
35 VCC
36 LED-ON
37 LED-STBY
38 INITX
39 NO_USE
40 NO_USE
41 FUSE_DET
42 FL-EN
43 FL_CLK
44 FL_DATA
45 FL_LAT
46 MD1
47 MD0
48 X0
49 X1
50 VSS
51 VCC
52 INPUT_JOG
53 SIRCS_IN
54 VOLUME_JOG
55 AD_KEY1
I/O
- Power supply pin (+3.3V)
I Interrupt status signal input from DSP
O System reset signal output to the DSP "L" reset
O Relay drive signal (for main power) output terminal "H": relay on
I RDS data signal input (for destination that support RDS only)
I/O Serial data output for tuner
O Clock signal output for tuner
O Serial data latch pulse signal output to the tuner (FM/AM)
I/O IIC data input/output from the D/A converter
O IIC clock signal output to the D/A converter
O
Relay drive signal (for power supply) output terminal "H": relay on
O Relay drive signal (for surround back) output terminal "H": relay on
O Relay drive signal (subwoofer) output terminal "H": relay on
O Relay drive signal (for front) output terminal "H": relay on
O Relay drive signal (for center and surround) output terminal "H": relay on
O Serial data output to electrical volume
O Serial data transfer clock signal output to the electrical volume
I Protect detection signal input terminal
I/O Two-way data bus with the EEPROM
O Serial data transfer clock signal output to the EEPROM
- Not used
- Not used
O Relay drive signal (for headphone) output terminal "H": relay on
I Headphone detection signal input
- Ground terminal
- Power supply pin (+3.3V)
I Bluetooth: Mute request from BT device to Video uCOM
I NFC detection signal input (Only for STR-DH750)
O Bluetooth Standby power control (Only for STR-DH750)
- Not used
- Not used
- Not used
- Regulator stabilization capacity connecting pin
- Ground terminal
- Power supply pin (+3.3V)
O Power ON Green LED
O Standby LED
- Main Micom Reset port
- Not used
- Not used
I Fuse open detect signal input
O Enable control for FL DISPLAY DRIVER IC
O Clock signal output for FL DISPLAY DRIVER IC
O Serial data output for FL DISPLAY DRIVER IC
O Latch signal output for FL DISPLAY DRIVER IC
- Selection of micon operation mode (Connect to VSS)
- Selection of micon operation mode (Connect to VSS)
Main oscillator connecting pin
-
- Main oscillator connecting pin
- Ground terminal
- Power supply pin (+3.3V)
I Function encoder signal input
I SIRCS signal input
I MASTER VOLUME encoder signal input
I Key signal input (A/D port)
STR-DH550/DH750
Description
53