Sony STR-DB798 - Page 64

64
STR-DB798
DIGITAL BOARD IC1703 MB91154PFV-G-125E1 (SYSTEM CONTROLLER)
Pin No.
Pin Name I/O Description
1
PW RY
O
Relay drive signal output terminal (for main power) "H": relay on
2
H/P RY
O
Relay drive signal output terminal (for headphone) "H": relay on
3
SP.A.RY
O
Relay drive signal output terminal (for front A speaker) "H": relay on
4
SP B RY
O
Relay drive signal output terminal (for front B speaker) "H": relay on
5
SURR.RY
O
Relay drive signal output terminal (for surround speaker) "H": relay on
6
CTR/SW RY
O
Relay drive signal output terminal (for sub woofer) "H": relay on
7
SB.RY
O
Relay drive signal output terminal (for center/surround back speaker) "H": relay on
8
SUB T
O
Relay drive signal output terminal (for standby power) "H": relay on
9
VSS
-
Ground terminal
10
FUNCTION.JOG
(2B)
I
Jog dial pulse input from the rotary encoder (B phase input) (for INPUT SELECTOR)
11
FUNCTION.JOG
(2A)
I
Jog dial pulse input from the rotary encoder (A phase input) (for INPUT SELECTOR)
12
VOL.JOG (1B)
I
Jog dial pulse input from the rotary encoder (B phase input) (for MASTER VOLUME)
13
VOL.JOG (1A)
I
Jog dial pulse input from the rotary encoder (A phase input) (for MASTER VOLUME)
14
FL CLK
O
Serial data transfer clock signal output to the fluorescent indicator tube driver
15
FL DATA
O
Serial data output to the fluorescent indicator tube driver
16
+/-.JOG (4B)
I
Jog dial pulse input from the rotary encoder (B phase input) (for MENU)
17
+/-.JOG (4A)
I
Jog dial pulse input from the rotary encoder (A phase input) (for MENU)
18
+/-.JOG (3B)
I
Jog dial pulse input from the rotary encoder (B phase input) (for -/+)
19
+/-.JOG (3A)
I
Jog dial pulse input from the rotary encoder (A phase input) (for -/+)
20
SP SW
I
Speaker switch input terminal "L": speaker on
21
VOL IC/TUNER
DATA
O
Serial data output to the tuner unit, audio selector, video selector and electrical volume
22
VOL IC/TUNER
CLK
O
Serial data transfer clock signal output to the tuner unit, audio selector, video selector and
electrical volume
23
VOL LAT
O
Serial data latch pulse signal output to the audio selector, video selector and electrical volume
24
NC
-
Not used
25
FUNC_MUTE
O
System muting on/off control signal output terminal
26
VSS
-
Ground terminal
27
VCC
-
Power supply terminal (+3.3V)
28
AUDY_DATA_IN
I
Serial data input from the lip sync adjust
29
AUDY_LATCH
O
Chip select signal output to the lip sync adjust
30
AUDY_RESET
O
System reset signal output to the lip sync adjust
31
FAN_DET
I
Fan circuit detection signal input terminal Not used
32
FAN_TRIGG
O
Fan motor drive signal output terminal Not used
33
TP1
-
Not used
34
CSW2
O
Video select signal output to the input select
35
NTSC_PAL_SW
O
NTSC/PAL select signal output terminal Not used
36
COMV_RST
O
System reset signal output terminal Not used
37
DAB_PWR
O
DAB power supply (+3.3V) on/off control signal output terminal Not used
38
DAB_PW5
O
DAB power supply (+5V) on/off control signal output terminal Not used
39
CSW1
O
Video select signal output to the input select
40
C.PSAVE
O
Video muting on/off control signal output to the input select
41
HP DETECT
I
Headphone detection signal input terminal "H": headphone is connected
42
D.POWER
O
Digital section power on/off control signal output terminal "H": power on
43
V.POWER
O
Video section power on/off control signal output terminal "H": power on