Integra DTR-4.5, Service Manual

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DTR-4.5
NJW1157(8-Channel Electronic Volume with Input Selector)
IC BLOCK DIAGRAMS AND DESCRIPTIONS
51
80
50
31
1 30
100
81
PIN FUNCTION
No. SYMBOL FUNCTION No. SYMBOL FUNCTION
1 LOUT Lch output 51 L1IN "Input selector" Lch input 1
2 ROUT Rch output 52 R1IN "Input selector" Rch input 1
3 COUT Cch output 53 L2IN "Input selector" Lch input 2
4 LSOUT LSch output 54 R2IN "Input selector" Rch input 2
5 RSOUT RSch output 55 L3IN "Input selector" Lch input 3
6 LBOUT LBch output 56 R3IN "Input selector" Rch input 3
7 RBOUT RBch output 57 L4IN "Input selector" Lch input 4
8 SWOUT SWch output 58 R4IN "Input selector" Rch input 4
9 DC_L1 Lch Bass filter DC cut capacitor output terminal 59 L5IN "Input selector" Lch input 5
10 DC_L2 Lch Bass filter DC cut capacitor input terminal 60 R5IN "Input selector" Rch input 5
11 FIL_BL Lch Bass filter terminal 61 L6IN "Input selector" Lch input 6
12 FIL_TL Lch Treble filter terminal 62 R6IN "Input selector" Rch input 6
13 DC_R1 Rch Bass filter DC cut capacitor output terminal 63 L7IN "Input selector" Lch input 7
14 DC_R2 Rch Bass filter DC cut capacitor input terminal 64 R7IN "Input selector" Rch input 7
15 FIL_BR Rch Bass filter terminal 65 L8IN "Input selector" Lch input 8
16 FIL_TR Rch Treble filter terminal 66 R8IN "Input selector" Rch input 8
17 N.C. No connect 67 L9IN "Input selector" Lch input 9
18 N.C. No connect 68 R9IN "Input selector" Rch input 9
19 V+ + Power supply voltage input 69 L10IN "Input selector" Lch input 10
20 V-* - Power supply voltage input 70 R10IN "Input selector" Rch input 10
21 REC_A1L "Input selector" Lch REC output A1 71 L11IN "Input selector" Lch input 11
22 REC_A1R "Input selector" Rch REC output A1 72 R11IN "Input selector" Rch input 11
23 REC_A2L "Input selector" Lch REC output A2 73 L12IN "Input selector" Lch input 12
24 REC_A2R "Input selector" Rch REC output A2 74 R12IN "Input selector" Rch input 12
25 REC_A3L "Input selector" Lch REC output A3 75 NC No connect
26 REC_A3R "Input selector" Rch REC output A3 76 DGND Digital Ground
27 REC_B1L "Input selector" Lch REC output B1 77 DATA Control data signal input
28 REC_B1R "Input selector" Rch REC output B1 78 CLOCK Clock signal input
29 REC_B2L "Input selector" Lch REC output B2 79 LATCH Latch signal input
30 REC_B2R "Input selector" Rch REC output B2 80 LAIN Multi-channel Lch input A
31 DCCAP_L Switching noise rejection capacitor 81 RAIN Multi-channel Rch input A
32 DCCAP_R Switching noise rejection capacitor 82 CAIN Multi-channel Cch input A
33 DCCAP_C Switching noise rejection capacitor 83 LSAIN Multi-channel LSch input A
34 GND Ground 84 RSAIN Multi-channel RSch input A
35 GND Ground 85 LBAIN Multi-channel LBch input A
36 DCCAP_LS Switching noise rejection capacitor 86 RBAIN Multi-channel RBch input A
37 DCCAP_RS Switching noise rejection capacitor 87 SWAIN Multi-channel SWch input A
38 DCCAP_LB Switching noise rejection capacitor 88 LBIN Multi-channel Lch input B
39 DCCAP_RB Switching noise rejection capacitor 89 RBIN Multi-channel Rch input B
40 DCCAP_SW Switching noise rejection capacitor 90 CBIN Multi-channel Cch input B
41 DCL_OUT "Input selector" Lch output 91 LSBIN Multi-channel LSch input B
42 DCL_IN "Multi-channel selector" Lch output 92 RSBIN Multi-channel RSch input B
43 DCR_OUT "Input selector" Rch output 93 LBBIN Multi-channel LBch input B
44 DCR_IN "Multi-channel selector" Rch output 94 RBBIN Multi-channel RBch input B
45 FL+ "Input selector gain control" Lch no-inverted output 95 SWBIN Multi-channel SWch input B
46 FL- "Input selector gain control" Lch inverted output 96 GND Ground
47 FR+ "Input selector gain control" Rch no-inverted output 97 GND Ground
48 FR- "Input selector gain control" Rch inverted output 98 VSSOUT2 Internal Digital -Power Supply Output 2
49 VDDOUT Internal DPower Supply Output 99 VDDOUT2 Internal DPower Supply Output 2
50 VSSOUT Internal Digital -Power Supply Output 100 TCCAP Switching noise rejection capacitor