X-HX5000, X-HX3000, X-HX2000
38
¶
Pin Function
No.
Pin Name
Function
No. Pin Name
Function
1
A_GND
Analog ground
17 VREF
3.8V reference voltage output pin
2
IN1
1 ch volume input pin
18 LATCH
Latch data reception pin
3
NF1
Gain adjustment pin of input stage amp.
19 DATA
Data reception pin
4
BVN1
Pins for 1 ch low-pass filter connection
20 CK
Clock reception pin
5
BIN1
21 BC
Time constant install pins for change shock
protection
6
BVO1
22 TC
7
TIN1
Pins for 1 ch high-pass filter connection
23 VC
8
TVO1
24 OUT2
2 ch volume output pin
9
OUT1
1 ch volume output pin
25 TVO2
2 ch high-pass filter connection pins
10
Vcc
Power supply pin
26 TIN2
11
SC
Time constant install pin for change shock
27 BVO2
2 ch low-pass filter connection pins
12
PORT1
Port output pins
28 BIN2
13
PORT2
29 BVN2
14
PORT3
30 NF2
Gain adjustment pin of input stage amp.
15
PORT4
31 IN2
2 ch volume input pin
16
D_GND
Digital ground
32 FILTER
Filter pin
(BASS)
(TREBLE)
TONE
2k
Ω
10k
Ω
20k
Ω
20k
Ω
20k
Ω
2k
Ω
200k
Ω
20k
Ω
47k
Ω
47k
Ω
10k
Ω
10k
Ω
CONTROL
REF. POWER
SUPPLY
MATRIX • SURROUND
VOLUME
VOLUME
VOLUME
VOLUME
(BASS)
(TREBLE)
TONE
52192 (BH3854AS) (TUNER PCB ASSY : IC102)
• Main Control and TONE Control IC
•
Block Diagram