Sony STR-DB798 Service Manual page 64

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