IC DESCRIPTION
IC, UPD780226GF-022-3BA
Pin No.
Pin Name
I/O
Description
1
SOL1
O
DECK1 solenoid output.
2
SOL2
O
DECK2 solenoid output.
3
O-MOTOR
O
DECK MOTOR ON/OFF output.
4
O-PB2
O
DECK2/DECK1 play output.
5
O-BIAS
O
BIAS ON output.
6
O-RMT
O
REC mute output.
7
O-CD. ON
O
CD ON output.
8
O-TU. ON
O
TUNER ON output.
9
NC
-
Not connected.
10
O-STBY. LED
O
STANDBY LED ON/OFF output.
11
CLK SFT
O
Micon clock shift output.
12 ~ 16
NC
-
Not connected.
17
IC
-
Internal connection. (connected to GND)
18
VSS0
-
GND.
19
VDD0
-
Power supply.
20
I-VOL A
I
Volume rotary encoder input A.
21
I-VOL B
I
Volume rotary encoder input B.
22
O-POWER
O
System power supply ON/OFF output.
23
O-DISH-R
O
CD turntable reverse rotation output. (Connected to GND through a resistor)
24
CD. CE/O-CD DATA
O
CD enable output / CD data output.
25
I-TUNE/IFC
I
Tuner SD detection input / Tuner IF count input.
26
I-RDS. DATA
I/O
Tuner RDS data input. (Not used)
/O-STB. ECHO
/ Strobe output for shift register.
27
I-WRQ
I
CD WRQ input.
28
I-RDS. CLK
I
Tuner RDS clock input. (Not used)
29
I-SUB. Q
I
SUB Q data input.
30
RESET
-
System reset.
31
O-DSC DATA
O
Function IC control output.
32
I-STEREO
I
Tuner stereo input.
33
I-DRF
I
CD DRF input.
34
I-RMC
I
System remote control input.
35
I-TM. BASE
I
Base input for clock.
36
I-DISH
I
CD turntable photo sensor A/D input.
37
VDD1
-
Power supply.
38
X2
-
4.19 MHz oscillator circuit.
39
X1
-
4.19 MHz oscillator circuit.
40
VSS1
-
GND.
41
AVDD
-
Power supply.
42
I-HOLD
I
Power failure detected input.
43
I-CD SW
I
CD mecha switch input.
44
I-SPEANA1
I
A/D 1 input for spectrum analyser level display.
– 28 –
Summary of Contents for NSX-AJ200U
Page 11: ... 11 SCHEMATIC DIAGRAM 1 MAIN 1 2 EZ K ...
Page 12: ...SCHEMATIC DIAGRAM 2 FRONT DECK EZ K 12 ...
Page 13: ...SCHEMATIC DIAGRAM 3 TUNER EZ K 13 ...
Page 14: ...SCHEMATIC DIAGRAM 4 MAIN 2 2 PT SECTION 201K 207EZ 14 ...
Page 16: ...SCHEMATIC DIAGRAM 5 MAIN 1 2 V 16 ...
Page 17: ...SCHEMATIC DIAGRAM 6 FRONT DECK V 17 ...
Page 18: ...SCHEMATIC DIAGRAM 7 TUNER V 18 ...
Page 19: ...SCHEMATIC DIAGRAM 8 MAIN 2 2 PT SECTION 203EZ 203V 19 ...
Page 21: ...SCHEMATIC DIAGRAM 9 AMP 201K 207EZ 21 ...
Page 23: ...SCHEMATIC DIAGRAM 10 AMP 203EZ 203V 23 ...
Page 25: ...IC BLOCK DIAGRAM 25 ...
Page 26: ...FL HNA 10SS19T GRID ASSIGNMENT ANODE CONNECTION PIN CONNECTION 26 GRID ASSIGNMENT ...
