Sony STR-DB1070 - Fm Stereo/fm-am Receiver Service Manual page 50

STR-DB870/DB1070
DIGITAL BOARD IC1703 MB91154PMT2-G-102-E1 (SYSTEM CONTROLLER)
Pin No. Pin Name
H.P IN
1
2 SP A RY
3 H/P RY
4 WOOFER RY
5 REAR RY
6 CENTER RY
7 2ND AUDIO RY
8 PRE RY
9 VSS
10 SB RY
11 C.JOG
12 C.JOG
13 F.JOG
F.JOG
14
V.JOG
15
V.JOG
16
17 SP.SW
18 POWER.RY
19 TUNER AUTO STOP
20 TUNER MUTE
DATA
21
CLK
22
TUNER DATA IN
23
24 F. SW LAT
25 TUNER STEREO
26 VSS
27 VCC
28 RDS DATA
29 VIDEO SW1
VIDEO SW2
30
VIDEO SW3
31
VIDEO SW4
32
VSYNC
33
34 P/N
HDOUT1
35
36, 37 OPT B, OPT A
LED CE
38
LED CLR
39
TUNER LAT
40
50
I/O
I
Headphone detect signal input from the HP jack (J749) "H": active
O
Front speaker A relay drive signal output terminal "H": relay on
O
Headphone relay drive signal output terminal "H": relay on
O Woofer speaker relay drive signal output terminal "H": relay on
O
Rear speaker drive signal output terminal "H": relay on
O
Center and surround back speakers drive signal output terminal "H": relay on
O
2nd audio relay drive signal output terminal "H": relay on
O Pre relay drive signal output terminal "H": relay on
—
Ground terminal
I
Center and surround back speakers drive signal output terminal "H": relay on
I
Jog dial pulse input from the RV1901 (jog dial) A phage input
I
Jog dial pulse input from the RV1901 (jog dial) B phage input
I
Jog dial pulse input from the RV1801 (FUNCTION) A phage input
I
Jog dial pulse input from the RV1801 (FUNCTION) B phage input
I
Jog dial pulse input from the RV1601 (MASTER VOLUME) A phage input
I
Jog dial pulse input from the RV1601 (MASTER VOLUME) B phage input
I
Speaker ON/OFF signal input terminal "L": speaker on
O
Power relay drive signal output terminal "H": relay on
I
Tuned display auto stop detect signal input from the FM/AM tuner unit "L": active
O
Muitng control signal output to the FM/AM tuner unit "L": muting
Serial data output to the FM/AM tuner unit, LED drive (IC1602), function switch (IC101,
O
102, 105, 201) and electrical volume (IC401, 501, 601, 701)
Serial data transfer clock signal output to the FM/AM tner unit, LED drive (IC1602), function
O
switch (IC101, 102, 105, 201) and electrical volume (IC401, 501, 601, 701)
I
PLL data input from the FM/AM tuner unit
Serial data latch pulse output to the function switch (IC101, 102, 105, 201) and electrical
O
volume (IC401, 501, 601, 701) "H": active
I FM stereo detection signal input from the FM/AM tuner unit "L": stereo
—
Ground terminal
—
Power supply terminal (+3.3V)
O
RDS sireal data output to the RDS decoder (IC1303) (AEP, UK models only)
O Video select signal output to the video switch (IC308) and S-VIDEO switch (IC750, 752)
O
Video select signal output to the video switch (IC308) and S-VIDEO switch (IC750, 752)
Video select signal output to the video select switch (IC308) and S-VIDEO select switch
O
(IC750, 752)
Video select signal output to the video select switch (IC308) and S-VIDEO select switch
O
(IC750, 752)
Vertical synchronized signal input from the LA7213 (IC309, 311) (DB1070: AEP, UK,E,
I
Chinese models only)
NTSC/PAL select signal output terminal "L": NTSC (DB1070: US, Canadian models)
O
"H": PAL (DB1070: AEP, UK,E, Chinese models)
I
Host serial data input from the audio DSP1 (IC1501)
O Digital input select signal output to the select switch (IC1406)
O
Chip enable signal output to the LED driver (IC1602)
O
Clear signal output to the LED driver (IC1602)
O
Tuner latch signal output to the FM/AM tuner unit
Description