57
STR-DE898/DE998
IC1101 MB91154PFV-G-126E1 (SYSTEM CONTROL) (DIGITAL Board (5/5))
Pin No.
Pin Name
I/O
Pin Description
1
[7.1_DAT]
O
MULTI CH IN DATA
2
[7.1_CLK]
O
MULTI CH IN CLOCK
3, 4
NO USE
O
Not used (Fixed at L)
5
SUB-T
O
SUB TRANSFORMER VOLT O/P
6
LIP DATA IN
I
LIP DATA IN
7
LIP LATCH
O
LIP LATCH
8
LIP RESET
O
LIP RESET
9
VSS
—
Ground
10
FUNCTION_JOG_1B
I
FUNCTION JOG 1B
11
FUNCTION_JOG_1A
I
FUNCTION JOG 1A
12
MENU_JOG_3B
I
MENU JOG 3B
13
MENU_JOG_3A
I
MENU JOG 3A
14
CURSOR_JOG_4B
I
CURSOR JOG 4B
15
CURSOR_JOG_4A
I
CURSOR JOG 4A
16
VOL_JOG_2B
I
VOLUME JOG 2B
17
VOL_JOG_2A
I
VOLUME JOG 2A
18
SP_A_RY
O
SPEAKER A RELAY CONTROL
19
SP_B_RY
O
SPEAKER B RELAY CONTROL
20
CENTER_RY
O
CENTER RELAY CONTROL
21
REAR_RY
O
REAR CH RELAY CONTROL
22
WOOFER_RY
O
WOOFER RELAY CONTROL
23
PROTECTOR
I
PROTECTOR CIRCUIT
24
HP_CTRL
I
HP DETECTION SW
25
PW_RY
O
POWER RELAY CONTROL
26
VSS
—
Ground
27
VCC
—
Power supply pin (+3.3 V)
28
TUNER_STEREO
I
TUNER STEREO IN
29
TUNER_AUTO_STOP
I
TUNER AUTO STOP IN
30
TUNER_MUTE
O
TUNER MUTE
31
TUNER_DO
I
TUNER DO
32
T.SERIAL_CLK
O
TUNER SERIAL CLOCK
33
T.DATA
O
TUNER DATA
34
T.LAT
O
TUNER LATCH
35
NO USE
—
Not used (Fixed at L)
36 to 39
V.SW1 to V.SW4
O
VIDEO SWITCH 1 to 4
40
COMP_SEL2
O
COMPONENT VIDEO SELECT 2
41
2ND_RY
O
2ND ROOM RELAY CONTROL
42
HP_RY
O
HP RELAY CONTROL
43
UPCON_DATA
O
UP CONVERT DATA
44
VSS
—
Ground
45
BRIDGEABLE RY
O
BRIDGEABLE RELAY CONTROL
46
FUSE DETECT
I
Not used (Fixed at H)
47
TC74HCT153_B
O
OPTICAL INPUT SW B
48
TC74HCT153_A
O
OPTICAL INPUT SW A
49
[GP12]
I
DSP1 IC GP12
50, 51
PAGE0,PAGE1
—
Not used (Open)
52
MD2
—
FLASH PROGRAMMING
53
MD1
—
FLASH PROGRAMMING (Fixed at H)
54
MD0
—
FLASH PROGRAMMING
55
RSTX
I
RESET IC
56
VCC
—
Power supply pin (+3.3 V)
57
X1
I
System clock signal input (16.5 MHz)
Ver. 1.1
