– 34 –
Pin No.
Pin Name
I/O
Description
1
I–SUBQ
I
CD sub-code input.
2
O–BUZ
O
Touch-sensor beep sound output. (Not used)
3
O–MOTOR
O
Tape motor ON/OFF.
4
O–SOL1
O
Tape 1 plunger ON/OFF.
5
O–SOL2
O
Tape 2 plunger ON/OFF.
6
O–RSM–CE
O
Rhythm IC chip enable output.
7
O–HSP
O
PLL-IC chip enable output.
8
O–PANORAMA
O
Panoramic IC data output.
9
O–MUTE
O
Mute output. Mute ON/OFF.
10
O–CLK–SFT
O
System microcomputer clock shift ON/OFF output.
11
RESET
—
System reset.
12
I–DISH
I
CD turn-table position detection AD input.
13
I–SPEANA / I–MS
I
Spectrum analyzer level / MS input. AD input.
14
VSS1
—
Connected to GND.
15
CF1
I
Oscillator circuit input.
16
CF2
O
Oscillator circuit output.
17
VDD1
—
Connected to power supply.
18
I–HOLD
I
System power observation AD input.
19
I–KEY1
I
KEY 1 AD input.
20
I–KEY2
I
KEY 2 AD input.
21
I–KEY3
I
KEY 3 AD input.
22
I–CDSW
I
CD mechanical switch AD input.
23
I–RT–VR
I
VOLUME rotary encoder AD input.
24
I–RT–JOG
I
JOG rotary encoder AD input.
25
I–MIC
I
Auto VF microphone input. Small signal detection (MIC IN) input.
26
I–TM–BASE
I
Time base input.
27
O–CD–DATA
O
CD data output.
28
O–POWER
O
System power ON/OFF output.
29
I-RMC
I
Remote-control signal reception input. Active at “L”.
30~41
G12~G1
O
FL grid G12~G1 output.
42~45
P35~P32
O
FL segment P35~P32 output.
46
VDD3
—
Connected to power supply.
47
SPEANA–A / P31
O
Spectrum analyzer band switching output A / FL segment P31 output.
48
SPEANA–B / P30
O
Spectrum analyzer band switching output B / FL segment P30 output.
49
SPEANA–C / P29
O
Spectrum analyzer band switching output C / FL segment P29 output.
50
I–HPMUTE / P28
I/O
Headphone MUTE input / FL segment P28 output.
51
–VP
—
Power supply for FL display.
52
I–STEREO / P27
I/O
Tuner stereo detect input / FL segment P27 output.
53~56
P26~P23
O
FL segment P26~P23 output.
57
BEAT–M / P22
I/O
Beat master diode input / FL segment P22 output.
58
KCON / P21
I/O
KCON enable diode input (Not used) / FL segment P21 output.
59
DSP / P20
I/O
DSP enable diode input / FL segment P20 output.
IC DESCRIPTION
IC, LC876670B–5V72
Содержание NSX-SZ900
Страница 14: ... 14 SCHEMATIC DIAGRAM 1 MAIN 1 6 P SUPPLY SECTION ...
Страница 15: ... 15 SCHEMATIC DIAGRAM 2 MAIN 2 6 FUNCTION SECTION ...
Страница 16: ... 16 SCHEMATIC DIAGRAM 3 MAIN 3 6 AMP SECTION ...
Страница 17: ... 17 SCHEMATIC DIAGRAM 4 MAIN 4 6 DECK SECTION HEAD 1 HEAD 2 ...
Страница 18: ... 18 SCHEMATIC DIAGRAM 5 MAIN 5 6 DSP SECTION ...
Страница 19: ... 19 SCHEMATIC DIAGRAM 6 MAIN 6 6 TUNER SECTION ...
Страница 22: ... 22 SCHEMATIC DIAGRAM 7 FRONT KEY DECK ...
Страница 24: ... 24 SCHEMATIC DIAGRAM 8 AMP 3M ...
Страница 26: ... 26 SCHEMATIC DIAGRAM 9 PANORAMA AMP ...
Страница 28: ... 28 SCHEMATIC DIAGRAM 10 PT ...
Страница 30: ... 30 FL BJ815GNK GRID ASSIGNMENT PIN CONNECTION ANODE CONNECTION GRID ASSIGNMENT PIN CONNECTION ...
Страница 31: ... 31 ANODE CONNECTION NOTE UP DOWN ...
Страница 32: ... 32 IC BLOCK DIAGRAM ...
Страница 33: ... 33 ...
Страница 47: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 Printed in Singapore 2000075 921338 ...
