Integra DTR-4.6 Service Manual page 88

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IC BLOCK DIAGRAMS AND DESCRIPTIONS
NJW1157(8-Channel Electronic Volume with Input Selector)
PIN FUNCTION
No. SYMBOL FUNCTION
1 LOUT Lch output
2 ROUT Rch output
3 COUT Cch output
4 LSOUT LSch output
5 RSOUT RSch output
6 LBOUT LBch output
7 RBOUT RBch output
8 SWOUT SWch output
9 DC_L1 Lch Bass filter DC cut capacitor output terminal
10 DC_L2 Lch Bass filter DC cut capacitor input terminal
11 FIL_BL Lch Bass filter terminal
12 FIL_TL Lch Treble filter terminal
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L 13942296513
13 DC_R1 Rch Bass filter DC cut capacitor output terminal
14 DC_R2 Rch Bass filter DC cut capacitor input terminal
15 FIL_BR Rch Bass filter terminal
16 FIL_TR Rch Treble filter terminal
17 N.C. No connect
18 N.C. No connect
19 V+ + Power supply voltage input
20 V-*
21 REC_A1L "Input selector" Lch REC output A1
22 REC_A1R "Input selector" Rch REC output A1
23 REC_A2L "Input selector" Lch REC output A2
24 REC_A2R "Input selector" Rch REC output A2
25 REC_A3L "Input selector" Lch REC output A3
26 REC_A3R "Input selector" Rch REC output A3
27 REC_B1L "Input selector" Lch REC output B1
28 REC_B1R "Input selector" Rch REC output B1
29 REC_B2L "Input selector" Lch REC output B2
30 REC_B2R "Input selector" Rch REC output B2
31 DCCAP_L Switching noise rejection capacitor
32 DCCAP_R Switching noise rejection capacitor
33 DCCAP_C Switching noise rejection capacitor
34 GND Ground
35 GND Ground
36 DCCAP_LS Switching noise rejection capacitor
37 DCCAP_RS Switching noise rejection capacitor
38 DCCAP_LB Switching noise rejection capacitor
39 DCCAP_RB Switching noise rejection capacitor
40 DCCAP_SW Switching noise rejection capacitor
41 DCL_OUT "Input selector" Lch output
42 DCL_IN "Multi-channel selector" Lch output
www 43 DCR_OUT "Input selector" Rch output
44 DCR_IN "Multi-channel selector" Rch output
45 FL+ "Input selector gain control" Lch no-inverted output
46 FL- "Input selector gain control" Lch inverted output
47 FR+ "Input selector gain control" Rch no-inverted output
.
48 FR- "Input selector gain control" Rch inverted output
49 VDDOUT Internal Digital +Power Supply Output
50 VSSOUT Internal Digital -Power Supply Output
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100
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- Power supply voltage input
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51
50
30
No. SYMBOL
51 L1IN
52 R1IN
53 L2IN
54 R2IN
55 L3IN
56 R3IN
57 L4IN
58 R4IN
59 L5IN
60 R5IN
61 L6IN
62 R6IN
Q Q
3 6 7 1 3
63 L7IN
64 R7IN
65 L8IN
66 R8IN
67 L9IN
68 R9IN
69 L10IN
70 R10IN
71 L11IN
72 R11IN
73 L12IN
74 R12IN
75 NC
76 DGND
77 DATA
78 CLOCK
79 LATCH
80 LAIN
81 RAIN
82 CAIN
83 LSAIN
84 RSAIN
85 LBAIN
86 RBAIN
87 SWAIN
88 LBIN
89 RBIN
90 CBIN
91 LSBIN
92 RSBIN
93 LBBIN
94 RBBIN
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95 SWBIN
96 GND
97 GND
.
98 VSSOUT2
99 VDDOUT2
100 TCCAP
2 9 9 4 2 8
31
FUNCTION
"Input selector" Lch input 1
"Input selector" Rch input 1
"Input selector" Lch input 2
"Input selector" Rch input 2
"Input selector" Lch input 3
"Input selector" Rch input 3
"Input selector" Lch input 4
"Input selector" Rch input 4
"Input selector" Lch input 5
"Input selector" Rch input 5
"Input selector" Lch input 6
"Input selector" Rch input 6
1 5 0 5 8 2 9 9 4
"Input selector" Lch input 7
"Input selector" Rch input 7
"Input selector" Lch input 8
"Input selector" Rch input 8
"Input selector" Lch input 9
"Input selector" Rch input 9
"Input selector" Lch input 10
"Input selector" Rch input 10
"Input selector" Lch input 11
"Input selector" Rch input 11
"Input selector" Lch input 12
"Input selector" Rch input 12
No connect
Digital Ground
Control data signal input
Clock signal input
Latch signal input
Multi-channel Lch input A
Multi-channel Rch input A
Multi-channel Cch input A
Multi-channel LSch input A
Multi-channel RSch input A
Multi-channel LBch input A
Multi-channel RBch input A
Multi-channel SWch input A
Multi-channel Lch input B
Multi-channel Rch input B
Multi-channel Cch input B
Multi-channel LSch input B
Multi-channel RSch input B
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Multi-channel LBch input B
Multi-channel RBch input B
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Multi-channel SWch input B
Ground
Ground
Internal Digital -Power Supply Output 2
Internal Digital +Power Supply Output 2
Switching noise rejection capacitor
DTR-4.6
9 9
2 8 9 9