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10. Block Diagram
11. Wiring Connection Diagram
12. Terminal Functions of ICs
12.1. IC901 (M38B57M6141F) System Microprocessor
Pin /
No.
Mark
I/O /
Division
Function
1-2 KEY2-KEY1
I
Key input 1-2
3
THERM/
OVLD
I
Thermal/Over load input
4
KEY4
I
Key input 4
5
OVERLOAD2
I
Over load input 2
6
FMST
I
Stereo signal detect
terminal
7
WAKW
-
Wake up timer LED /
(Not used, open)
8
RDS DI
-
Control of RDS IC / (Not
used, open)
9
REMOTE
I
Remote control terminal
10
RESET
I
Reset detect terminal
11
RDS CK
-
Control of RDS IC (CK)
clock / signal (Not used,
open)
12
RDS DT
-
Control of RDS IC (DT)
data signal / (Not used,
open)
13
GND
-
GND terminal
14
XIN
I
Crystal oscillator
terminal (4 MHz)
15
XOUT
O
Crystal oscillator
terminal (4 MHz)
16
VDD (+5V)
-
Power supply te
5V
17
LED CK
O
LED driver IC (CK) clock
signal
18
LED DATA
O
LED driver IC (DT) data
signal
19
SFC1
I
SFC mode encoder input
1
20
SFC2
I
SFC mode encoder input
2
21
Summary of Contents for SA-G90
Page 10: ... Check the FL P C B as shown above Check the surround P C B as shown below 10 ...
Page 13: ... Check the main P C B as shown below 13 ...
Page 15: ...15 ...
Page 30: ...L1901 RLQB101KTA Y CHOKE COIL 1 M 30 ...
Page 34: ...R451 ERDS2TJ224T 220K 1 4W 1 M 34 ...
Page 36: ...R532 ERDS2TJ332T 3 3K 1 4W 1 M 36 ...
Page 39: ...R706 ERDS2TJ102T 1K 1 4W 1 M 39 ...
Page 53: ...C1911 ECBT1H102KB5 1000P 50V 1 M 14 Cabinet Parts Location 53 ...
Page 54: ...15 Packaging 54 ...
Page 55: ...55 ...