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STR-DE997
IC1101 MB91154PFV-G-119-BNDE1 (SYSTEM CONTROL) (DIGITAL Board (3/3))
Pin No.
Pin Name
I/O
Pin Description
1
[7.1_DAT]
O
MULTI CH IN DATA
2
3
[7.1_CLK]
[006_LAT]
O
O
MULTI CH IN CLOCK
TC9273_006 LATCH
4
5
[011_LAT]
SUB-T
O
O
TC9273_011 LATCH
SUB TRANSFORMER VOLT O/P
6 to 8
9
NO_USE
VSS
—
—
Not used (Fixed at L)
Ground
10
11
FUNCTION_JOG_1B
FUNCTION_JOG_1A
I
I
FUNCTION JOG 1B
FUNCTION JOG 1A
12
13
CURSOR_JOG_3B
CURSOR_JOG_3A
I
I
CURSOR JOG 3B
CURSOR JOG 3A
14
15
MENU_JOG_4B
MENU_JOG_4A
I
I
MENU JOG 4B
MENU JOG 4A
16
17
VOL_JOG_2B
VOL_JOG_2A
I
I
VOLUME JOG 2B
VOLUME JOG 2A
18
19
SP_A_RY
SP_B_RY
O
O
SPEAKER A RELAY CONTROL
SPEAKER B RELAY CONTROL
20
21
CENTER_RY
REAR_RY
O
O
CENTER RELAY CONTROL
REAR CH RELAY CONTROL
22
23
WOOFER_RY
PROTECTOR
O
I
WOOFER RELAY CONTROL
PROTECTOR CIRCUIT
24
25
HP_CTRL
PW_RY
I
O
HP DETECTION SW
POWER RELAY CONTROL
26
27
28
VSS
VCC
TUNER_STEREO
—
—
I
Ground
Power supply pin (+3.3 V)
TUNER STEREO IN
29
30
TUNER_AUTO_STOP
TUNER_MUTE
I
O
TUNER AUTO STOP IN
TUNER MUTE
31
32
TUNER_DO
T.SERIAL_CLK
I
O
TUNER DO
TUNER SERIAL CLOCK
33
34
T.DATA
T.LAT
O
O
TUNER DATA
TUNER LATCH
35
36 to 39
NO_USE
V.SW1 to V.SW4
—
O
Not used (Fixed at L)
VIDEO SWITCH 1 to 4
40
41
COMP_SEL2
2ND_RY
O
O
COMPONENT VIDEO SELECT 2
2ND ROOM RELAY CONTROL
42
43
HP_RY
UPCON_DATA
O
O
HP RELAY CONTROL
UP CONVERT DATA
44
45
VSS
BRIDGEABLE RY
—
O
Ground
BRIDGEABLE RELAY CONTROL
46
47
FUSE DETECT
TC74HCT153_B
I
O
Not used (Fixed at H)
OPTICAL INPUT SW B
48
49
TC74HCT153_A
[GP12]
O
I
OPTICAL INPUT SW A
DSP1 IC GP12
50, 51
52
PAGE0,PAGE1
MD2
—
—
Not used (Open)
FLASH PROGRAMMING
53
54
MD1
MD0
—
—
FLASH PROGRAMMING (Fixed at H)
FLASH PROGRAMMING
55
56
RSTX
VCC
I
—
RESET IC
Power supply pin (+3.3 V)
57
58
X1
X0
I
O
System clock signal input (16.5 MHz)
System clock signal output (16.5 MHz)
52