Denon AVR-390 Service Manual

36
DHT-390XP AVR-390
NJW1153 BLOCK DIAGRAM
NJW1153
– 1
–
6-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR


 GENERAL DESCRIPTION 

 PACKAGE OUTLINE
NJW1153 is a 6-channel electronic volume IC. It
includes Input selector, tone control, volume, mute, input
selector gain control, volume output gain control and 3
REC outputs. Each mode and conditions are set by the
3-wired serial control data.


 FEATURES
 Operating Voltage ±4.5 to ±7.5V
 3-Wired Serial Control
 Input Selector (x 8)
 REC Output (x 3)
 Input Selector Gain Control Gain : 0/-3/-6/-9/-12dB
 Volume Output Gain Control Gain : 0/+3/+6/+9/+12/+15/+18dB
 Volume 0 to -100dB/1dBstep, MUTE
 Tone Control 0 to ±10dB/1dBstep
 Subwoofer output addition to L, R channel output
 Subwoofer output ON/OFF control
 Bi-CMOS Technology
 Package Outline QFP64 - G1


 BLOCK DIAGRAM
NJW1153FG1
R1IN
FL+
FL-
LBIN
RBIN CBIN
SLBIN
SRBIN
SWBIN
GND
V+
V-
LATCH
DATA
CLOCK
Supply
Voltage
uCOM
Interface
FR+
FR-
Amp Gain
LOUT
ROUT
COUT
SLOUT
SROUT
SWOUT
RECL1
RECL2 RECL3
RECR1
RECR2
RECR3
L1IN
L2IN
L3IN
L4IN
L5IN
L6IN
L7IN
L8IN
R2IN
R3IN
R4IN
R5IN
R6IN
R7IN
L8IN
LAIN
RAIN
CAIN
SLAIN
SRAIN
SWAIN
Att Gain
Att Gain
DCLA1
SW
SW
Volume
TONE
TONE
Volume
Volume
Volume
Volume
Volume
FIL1_R FIL2_R FIL3_R FIL4_R FIL1_L FIL2_L FIL3_L FIL4_L
DCLA2
DCRA1 DCRA2
Multi-Channel In
p
ut B
Multi-Channel Input A
2 Channel Input
Input Selector
Multi-channel Selector

Denon AVR-390 Specifications

General

Signal-To-Noise Ratio	98 dB
Total Harmonic Distortion	0.08 %
Input Sensitivity	200 mV
Tuner Bands	AM/FM
Wi-Fi	No
Input Impedance	47k ohms
Inputs	Digital coaxial x 1
Outputs	HDMI x 1