Denon D-M38S, Service Manual

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79
NJW1153FGI (INPUT : IC11)
NJW1153FGI Block Diagram
NJW1153
– 2 –
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PIN FUNCTION
No. SYMBOL FUNCTION No. SYMBOL FUNCTION
1 FIL2_R Rch Bass filter terminal 33 RAIN Multi-channel
Rch input A
2 FIL3_R Rch Bass filter DC cut capacitor output terminal 34 CAIN Multi-channel
Cch input A
3 FIL4_R Rch Bass filter DC cut capacitor input terminal 35 SLAIN Multi-channel SLch input A
4 GND Ground 36 SRAIN Multi-channel
SRch input A
5 FL+ “Input selector gain control” Lch no-inverted output 37 SWAIN Multi-channel
SWch input A
6 FL- “Input selector gain control” Lch inverted output 38 LBIN
Multi-channel
Lch input B
7 FR+ “Input selector gain control” Rch no-inverted output 39 RBIN Multi-channel Rch input B
8 FR- “Input selector gain control” Rch inverted output 40 CBIN Multi-channel
Cch input B
9 DCLA1 “Input selector” Lch output 41 SLBIN Multi-channel
SLch input B
10 DCLA2 “Multi-channel selector” Lch input 42 SRBIN Multi-channel SRch input B
11 DCRA1 “Input selector” Rch output 43 SWBIN Multi-channel
SWch input B
12 DCRA2 “Multi-channel selector” Rch input 44 SurTC Switching noise rejection capacitor
13 L1IN
“Input selector” Lch input 1
45 FIL4_L
Lch Bass filter DC cut capacitor input terminal
14 R1IN “Input selector” Rch input 1 46 FIL3_L Lch Bass filter DC cut capacitor output terminal
15 L2IN “Input selector” Lch input 2 47 FIL2_L Lch Bass filter terminal
16 R2IN “Input selector” Rch input 2 48 FIL1_L Lch Treble filter terminal
17 L3IN “Input selector” Lch input 3 49 LOUT Lch output
18 R3IN “Input selector” Rch input 3 50 ROUT Rch output
19 L4IN “Input selector” Lch input 4 51 COUT Cch output
20 R4IN
“Input selector” Rch input 4
52 SLOUT
SLch output
21 L5IN “Input selector” Lch input 5 53 SROUT SRch output
22 R5IN “Input selector” Rch input 5 54 SWOUT SWch output
23 L6IN “Input selector” Lch input 6 55 V+ + Power supply voltage input
24 R6IN “Input selector” Rch input 6 56 GND Ground
25 L7IN “Input selector” Lch input 7 57 V- - Power supply voltage input
26 R7IN “Input selector” Rch input 7 58 RECL1 “Input selector” Lch REC output 1
27 L8IN “Input selector” Lch input 8 59 RECR1 “Input selector” Rch REC output 1
28 R8IN “Input selector” Rch input 8 60 RECL2 “Input selector” Lch REC output 2
29 DATA Control data signal input 61 RECR2 “Input selector” Rch REC output 2
30 CLOCK Clock signal input 62 RECL3 “Input selector” Lch REC output 3
31 LATCH
Latch signal input
63 RECR3
“Input selector” Rch REC output 3
32 LAIN Multi-channel Lch input A 64 FIL1_R Rch Treble filter terminal
1 16
17
32
48
49
64
33
NJW1153
– 1 –
6-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR
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GENERAL DESCRIPTION
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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
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Bi-CMOS Technology
●
Package Outline QFP64 - G1
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BLOCK DIAGRAM
NJW1153FG1
R1IN
FL
+
FL
-
LB
IN
R
BIN
C
BIN
SL
BIN
SR
BIN
SW
BIN
GND
V+
V-
LATCH
DATA
CLOCK
Supply
Voltage
uCOM
Interface
FR
+
FR
-
Amp Gain
LOUT
ROUT
COUT
SLOUT
SROUT
SWOUT
R
EC
L1
R
EC
L2
R
EC
L3
R
EC
R
1
R
EC
R
2
R
EC
R
3
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
FIL
1_
R
FIL
2_
R
FIL
3_
R
FIL
4_
R
FIL
1_
L
FIL
2_
L
FIL
3_
L
FIL
4_
L
DCLA2
DCRA1 DCRA2
Multi-Channel Input B
M
ulti
-C
ha
nn
el I
np
ut A
2 C
ha
nn
el I
np
ut
Input Selector
Multi-channel Selector