Dmixr - Integra DTR-7.6 Service Manual

A B
SCHEMATIC DIAGRAM 4
PREAMPLIFIER SECTION
P3010
C3036
R3124
47/25
330
3 +
R3126 C3114
1 PHONO 1
56K 102J
R3125 C3113
2 56K 102J
+
R3123 330 C3035
C3051 47/25
102J
9 R3002 C3002
330
221K
7
CD
R3001 221K
8
330 C3001
R3006
R3008
330
6
56K
TAPE_OUT 4
R3005
56K
5
330 R3007
221J
3 R3010
330
C3006
1
TAPE
R3009
2 221J
330
C3052 102J
10
9 R3014 221J
330 C3008
7
2 VIDEO3
R3013
8 C3007
330 221J
R3018
R3020
6 330
56K
VIDEO2_OUT 4
R3017 56K
5
330
R3019
R3022 C3012
3
330 221J
1
VIDEO2
R3021
2
330
C3053 102J
10
R3026 R3028
6
330
4 56K
VIDEO1_OUT
R3025 56K
5
330 R3027
C3016
R3030
3
330
221J
VIDEO1 1
3
C3015
2 R3029 221J
330
C3054
7 102J
R3034 C3018
9
330
221J
7
DVD
R3033
8 221J
C3017
330
R3040
6 R3038 56K C3020
330
4
SL/SR
C3019
R3037
5
330
R3039
56K R3044
R3042 56K
3 C3022
330
C/SW 1
2 R3041
330 R3043
10 56K
C3055102J
R3047
3 R3046
C3024
330
1
SBL/SBR
4
C3023
R3045
2
330
R3048
4 56K
R3054
9
100
C3028 102J
7
FL/FR
8 R3053 C3027 102J
100
R3060
C3030
220K
R3058 102J
6
100
4
SL/SR
R3057
5
100 C3029
PREOUT 102J
102J
R3062
3 C3032
100
1
5 C/SW
R3061
2
R3063
100 C3031 102J
11
10
C3057 102J
C3034
SBL/SBR 102J
3 R3066 220K
100
R3068
1
R3065 R3067
2
100 C3033 220K
102J
C3058 102J
4
C
R3081 10
C3042
C3044
123J 392J
R3076
R3074
22K
270K
2
1
3
Q3001:A
C3038
NE5532
220/10
R3082
Q3001:B
220/10
NE5532
5 10
C3037 7 R3077
6
1.2K
R3073 R3075
270K 22K
C3041 C3043
123J 392J C3050
101J
C3005
V2_RO
V2_LO
C3011
221J
C3060
10/50
ADLT+
C3123
V1_RO ADLT-
47/25
+
C3124
+
47/25
C3061
V1_LO
10/50
51
L1IN
52 R1IN
53 L2IN
54 R2IN
55
L3IN
56
R3IN
57
L4IN
58 R4IN
59
L5IN
60 R5IN
CDL
61 L6IN
CDR
62 R6IN
TAPEL 63 L7IN
TAPER
64 R7IN
V3L 65 L8IN
221J V3R
66 R8IN
V2L 67 L9IN
V2R 68 R9IN
221J
V1L
69 L10IN
V1R 70 R10IN
DVDL
71 L11IN
DVDR 72 R11IN
TUNERL
73 L12IN
221J TUNERR
74 R12IN
75 NC
C3021
R3086
221J 76 DGND
220 77 DATA
R3087
78 CLOCK
220
79 LATCH
80 LAIN
56K
R3088
220
221J
221J
C3111
102J
C3132~C3137
C3071,C3072
C3079~C3083
10/50
RL3201
1 12
3
4 5
10
9 8
D3201
R3064 220K
1SS352
220K
RL3202
1 12
Q3251
3
SPRLSB
RN1402
4 5
10
Q3252
9 8
R3251 RN1402
120 (1/2W)
D3202
1SS352
R3252 120 (1/2W)
D E
P3101A
DACSBR
220
R3083 FSWDATA
R3084 FSWCLK
220
R3095
C3103 330J 10K
R3097 R3091
R3093
10K
10K R3099
1.2K
6 470
DMIXL 7
5
Q3004:A
NE5532
Q3004:B NE5532
3
TAPE_LO

DMIXR

1
2
V1_LO R3094
R3100
470 1.2K
10K
R3098 R3092
10K
DACSBL
R3096
C3104 330J
10K
C3059
+ +
10/50 FSWSTB
D3005 Q3005
1SS352 78L07
C3063~C3070
R3127 10
1 O 3
47/25 I
C3098
C3115
C3097
470/16 220/10 10/50
C3096 C3116 C3099
470/16 220/10 10/50
3 O 2
I
Q3006
R3128 10
79L07
D3006
1SS352
30 Z2R
29 Z2L
REC_B2L
28
REC_B1R
30:REC_B2R
27
REC_B1L
26
REC_A3R
25
REC_A3L
24
REC_A2R
23
REC_A2L
22 REC_R
REC_A1R
21 REC_L C3105 Q3007:A
REC_A1L
10/50
20 NE5532
3
V- + C3108
19
1
V+ +
18
2
NC
17 10/50
R3106
NC C3093 472J
16
10K
FIL_TR
C3092
15 224J
FIL_BR
14 C3091
DC_R2
13
+ C3107
4.7/50
DC_R1
12
FIL_TL 472J 103K
11 C3090
224J
FIL_BL
10 C3089
DC_L2
9 +
DC_L1
C3088
8 4.7/50
SWOUT
7
RBOUT
6
LBOUT
5
RSOUT
4
R3227 R3237
LSOUT
3
100 Q3217
COUT 270
2
RN1443
ROUT
1
Q3207
LOUT
RN1443
RN1443 Q3216
Q3206
C3206
270 100
SBROUT
R3226
47/50 R3236 SBZ2MUT
R3225
SBLOUT RN1443
R3235
C3086 100
Q3215
C3205 270
10/50
Q3205
47/50
RN1443
R3129 0
R3130 0 RN1443 Q3214
Q3204
C3204 270
SROUT R3234 RN1443
100
R3224
47/50
R3223
R3233
SLOUT
100 Q3213
C3203 270
P5003B
47/50
Q3203
1
RN1443 RN1443
Q3202 Q3212
1 RN1443
2
C3202
3 270 R3232
COUT RN1443
4
100
47/50 R3222
5
Q3211
C3201 R3221
6 ROUT R3231
7
100
270
8 47/50
9
Q3201
10
RN1443
11
RN1443
12
Q3200
C3200
13
47/50
270 R3230 Q3210
LOUT
100 RN1443
R3220
F G
P3102A
R3089
22
U06
R3090
22
R3117
D3938
22
1SS352
(1/2W)
R3101
Q3505
22
LM2940CT-5.0
R3118 3 O 1
I
D3940
22 R3102 C3944
C3945
1SS352
(1/2W) 22 100/10 10/50
C3946 C3943
D3941
10/50
10/50
1SS352
3 O 2
I
Q3506
NJM7905FA
D3939 1SS352
NJM7812FA
+12V
C3941
10/50
-12V
C3942
10/50
RN1443
C3404
47/25 Q3009
BD3814
1
40
AGND10
2
-+ 39
VCC
LOGIC
3 38 R3401
AGND9
4 AGND1
CL 37 100
5 DA 36 R3402
R3112
6 -+ 100
35
MUTE
0 7 34 R3403
DGND
8 100
33
AGND8
9 AGND2
32
INSW
10 31
OUTSW
AGND3
11
OUTSR 30 C3405~
INSR
12 OUTSL 29 C3408
AGND4
13 104J
OUTC 28
14 INSL
OUTFR 27 R3404
AGND5
15 OUTFL 26 C3405
INC 4.7K
C3402 16 C3406
BNF2L 25
10/50 AGND6
AMUT Z2R 17 BNF1L 24 C3407
INFR
RN1443 18 C3408 R3405
BNF2R 23
AGND7
Z2L 19 BNF1R 22 4.7K
INFL
20 TNFL C3409
+ 21
C340110/50
VEE
TREBLE TNFR C3410 472J
C3403 47/25
472J
DTR-7.6
H
VIDEO4L 17
GNDV4 16
VIDEO4R 15
MIC 14
+7V 13
-7V 12
TUPACKL 11
GNDTU 10
TUPACKR 9
XML 8
XMAGND 7
XMR 6
+5VVIDEO 5
-5VVIDEO 4
GNDV 3
GNDV 2
+9V 1
+9V 17
-9V 16
VPOWER 15
-12V 14
+12VTRG 13
+22V 12
GNDRL 11
GNDRL 10
-22V 9
SEC1H 8
VOLH 7
PROTECT 6
GNDDG 5
HPL 4
HPE 3
HPR 2
SPRLF 1
AMUT 17
Z2MUT 16
SBZ2MUT 15
SPRLSB 14
FSWDATA 13
FSWCLK 12
FSWSTB 11
VLSTB 10
VLDATA 9
R3509
VLCLK 8
0.22
Z2VCLK 7
(1/2W)
Z2VDATA 6
Z2VMUT 5
Z2POL 4
Z2GND 3
Z2POR 2
Z2SWPO 1
R3510
0.22
(1/2W)
Q3507
3 O 1
I
C3939
10/50
C3940
10/50
3
O I
Q3508
NJM7912FA
R3409
R3411 Q3403
C3411
470 220 RN1443
22/50
Q3401
RN1443
Q3402
RN1443
22/50
C3412 R3410 R3412 Q3404
470 220
RN1443
R3417
Q3007:B
4.7K
NE5532
R3422
R3418 5 R3421
C3417
7 270 100
103K 6
4.7/50
C3415
R3420 4.7K
103K
Q3406
R3419 C3416 Q3405
RN1443
RN1443
47K 103K