56
STR-DE1075
•
DIGITAL BOARD IC1703 MB91154PMT2-G-102-E1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
H.P IN
I
Headphone detect signal input from the HP jack (J749) “H”: active
2
SP A RY
O
Front speaker A relay drive signal output terminal “H”: relay on
3
H/P RY
O
Headphone relay drive signal output terminal “H”: relay on
4
WOOFER RY
O
Woofer speaker relay drive signal output terminal “H”: relay on
5
REAR RY
O
Rear speaker drive signal output terminal “H”: relay on
6
CENTER RY
O
Center and surround back speakers drive signal output terminal “H”: relay on
7
2ND AUDIO RY
O
2nd audio relay drive signal output terminal “H”: relay on
8
PRE RY
O
Pre relay drive signal output terminal “H”: relay on
9
VSS
—
Ground terminal
10
SB RY
I
Center and surround back speakers drive signal output terminal “H”: relay on
11
C.JOG
I
Jog dial pulse input from the RV1901 (jog dial) A phage input
12
C.JOG
I
Jog dial pulse input from the RV1901 (jog dial) B phage input
13
F.JOG
I
Jog dial pulse input from the RV1801 (FUNCTION) A phage input
14
F.JOG
I
Jog dial pulse input from the RV1801 (FUNCTION) B phage input
15
V.JOG
I
Jog dial pulse input from the RV1802 (MASTER VOLUME) A phage input
16
V.JOG
I
Jog dial pulse input from the RV1802 (MASTER VOLUME) B phage input
17
SP.SW
I
Speaker ON/OFF signal input terminal “L”: speaker on
18
POWER.RY
O
Power relay drive signal output terminal “H”: relay on
19
TUNER AUTO STOP
I
Tuned display auto stop detect signal input from the FM/AM tuner unit “L”: active
20
TUNER MUTE
O
Muitng control signal output to the FM/AM tuner unit “L”: muting
21
DATA
O
Serial data output to the FM/AM tuner unit, LED drive (IC1602), function switch (IC101,
102, 105, 201) and electrical volume (IC401, 501, 601, 701)
22
CLK
O
Serial data transfer clock signal output to the FM/AM tner unit, LED drive (IC1602), function
switch (IC101, 102, 105, 201) and electrical volume (IC401, 501, 601, 701)
23
TUNER DATA IN
I
PLL data input from the FM/AM tuner unit
24
F. SW LAT
O
Serial data latch pulse output to the function switch (IC101, 102, 105, 201) and electrical
volume (IC401, 501, 601, 701) “H”: active
25
TUNER STEREO
I
FM stereo detection signal input from the FM/AM tuner unit “L”: stereo
26
VSS
—
Ground terminal
27
VCC
—
Power supply terminal (+3.3V)
28
RDS DATA
O
RDS sireal data output terminal Not used (fixed at “L”)
29
VIDEO SW1
O
Video select signal output to the video switch (IC308) and S-VIDEO switch (IC750, 752)
30
VIDEO SW2
O
Video select signal output to the video switch (IC308) and S-VIDEO switch (IC750, 752)
31
VIDEO SW3
O
Video select signal output to the video select switch (IC308) and S-VIDEO select switch
(IC750, 752)
32
VIDEO SW4
O
Video select signal output to the video select switch (IC308) and S-VIDEO select switch
(IC750, 752)
33
VSYNC
I
Vertical synchronized signal input terminal Not used (fixed at “L”)
34
P/N
O
NTSC/PAL select signal output terminal “L”: NTSC, “H”: PAL (fixed at “L”)
35
HDOUT1
I
Host serial data input from the audio DSP1 (IC1501)
36, 37
OPT B, OPT A
O
Digital input select signal output to the select switch (IC1406)
38
LED CE
O
Chip enable signal output to the LED driver (IC1602)
39
LED CLR
O
Clear signal output to the LED driver (IC1602)
40
TUNER LAT
O
Tuner latch signal output to the FM/AM tuner unit
41
M STATUS
O
STATUS (M BUS) control signal output to the select switch (IC751)
42
D.POWER
O
Power ON/OFF control signal output terminal (digital section power)
Summary of Contents for STR-DE1075
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