JVC xm-px50wt Manuel D’Utilisation

XM-PX50WT

1-13

2. Block diagram

19

20

21

22

23

24

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

PW
SW

PW
SW

MT
SW

MT
SW

BST
SW

BST
SW

BEEP

BEEP
IN

Vref

Vref

Vref
IN

BST1

BST2

BST
AGC

PW
B

PW
A

MT
TC

GND

ADD
IN

BST
NF1

LPF

BST
NF

BST
OUT

AGC
IN

DET

OUT

2

2

B

PWR
GND

CUTA

V

CC2

BEEP
OUTA

BEEP
OUTB

INA

INB

V

CC1

1. Pin layout

3. Pin function

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

V

OUT

    PWR GND

OUT

DET

AGC IN

    BST OUT

BST NF

LPF

BST NF

ADD IN

V   

V   IN

GND

  BEEP IN

  BST SW

MT SW

 PW SW

MT TC

V

IN
IN

BEEP OUT

V
Power amplifier output
GND in power amplifier output steps
Power amplifier output

Symbol

FUNCTION

CC2

CC2

A

B

2

2

1

ref

ref

CC1

CC

B

A

B

BEEP OUT A

Pin

no.

(+B) in power amplifier output steps

Smoothness of level detection of boost
BST amplifier input signal level variable control by input lever to boost AGC input  terminal
Output terminal of BST amplifier2
Terminal NF of BST  amplifier2
Output BST amplifier1
NF of BST amplifier1
ADD amplifier input
Standard potential circuit
Standard potential circuit
Power part input steps GND
Beep input terminal
Beep output terminal
Mute switch
Power On/OFF switch
Mute smoothing   Power mute switch
Main parts V
Power amplifier input
Power amplifier input
Beep output terminal
Beep output terminal

AGC

18

13

24         ~           19

7          ~         12

1

6

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