Input&Volume Part - NAD T737 Service Manual

SCHEMATIC DIAGRAM (INPUT&VOLUME PART)
JK301
L
REC OUT1
R
L
ANALOG 1
R
L
ANALOG2
R
JK302
L
ANALOG3
R
L
ANALOG4
R
JK303
L
ZONE2 OUT
R
ZONE2_PREL
L
ZONE2 PRE OUT
ZONE2_PRER
R
JK304
L
ANALOG5
R
L
REC OUT2
R
L
ANALOG6
R
JK305
L
7.1CH FL/R
R
L
7.1CH SL/R
R
JK306
CT
7.1CH C/SW
SW
L
7.1CH SBL/R
R
3-44
XM PART
FROM FRONT B'D
BN311
9 8 7 6 5 4 3 2 1
R3003
ANALOG1_L
+12V
470
R3321
1W / 68ohm
R3323
R3004 680
ANALOG1_R
470
C3027
R3001
RECOUT1_L
470
10/50V
D3701 1SS355T
D3702 1SS355T -12V
R3324
R3701 0.1uF 4.7
680
R3002 C3028 C3701
RECOUT1_R
470 10/50V R3322
R3005 1W / 68ohm
ANALOG2_L
470
D3703 1SS355T
D3704 1SS355T ANALOG5_L
ANALOG5_R
R3703
0.1uF 4.7
ANALOG6_L
C3703
R3006
ANALOG2_R
ANALOG6_R
470
R3007
ANALOG3_L
470
ANALOG4_L
ANALOG4_R
ANALOG3_L
ANALOG3_R
R3008
ANALOG3_R
ANALOG2_L
470
ANALOG2_R
R3009
ANALOG4_L ANALOG1_L
470
D3705 1SS355T ANALOG1_R
D3706 1SS355T
R3705 4.7
0.1uF
R3010 C3705
ANALOG4_R
470
R3011 C3037
ZONE2_L
470(H) 10/50V(H)
D3707 1SS355T(H)
D3708 1SS355T(H)
ZONE2_L
R3707
4.7(H)
C3708 ZONE2_R
C3038 0.1uF(H)
R3012
ZONE2_R
To page 2 XMDAC_MUTE
470(H)
10/50V(H)
XMDAC_RST
TUNER_MUTE
9 10 11 12 13 14 15 16
QS Q'S O8 O7 Q6 Q5 OUTPUT VDD AGND AGND
CD4094B IC302
CLOCK STROBE
VSS Q4 Q3 Q2 Q1 DATA
8 7 6 5 4 3 2 1
AGND C3335
R3013 47PC3334
ANALOG5_L
470 47PC3333
47P
XM_RST AGND
To page 2
R3014
ANALOG5_R
470
R3015 C3041
RECOUT2_L
STBY_MUTE
470 10/50V
D3709 1SS355T
D3710 1SS355T
R3709 0.1uF 4.7
C3709
R3016 C3042
RECOUT2_R
470 10/50V
R3017
ANALOG6_L
470
D3711 1SS355T
Q3301
(Active "L")
D3712 1SS355T
FUNC_MUTE
R3711 0.1uF 4.7
C107S
C3711
R3018
ANALOG6_R
470
R3019
FL_IN
470
MULTI_MUTE Q3302
(Active "L")
R3020
FR_IN
470
R3021 C107S(H)
SL_IN
470
D3713 1SS355T
D3714 1SS355T
R3713 0.1uF 4.7
C3713
R3022
SR_IN
Q3303
SB_MUTE
470
(Active "L")
R3023
CT_IN
470
D3715 1SS355T
C107S
D3716 1SS355T
R3715 0.1uF 4.7
C3715
R3024
SW_IN
470
R3025
SBL_IN
SW_MUTE Q3304
470
(Active "L")
C107S
R3026
SBR_IN
470
1 2 3 4 5 6 7
BN302
INPUT B'D<--->MCU&DSP B'D
+7V
Q3321
C3203
Q3322
ANALOG_INPUT
A1271
-7V
ANALOG5 L N.C N.C
C3059
ANALOG5 R SBLC
BSL_OUT
100/16V
BSL OUT
N.C
AGND
ANALOG6 L BSR_OUT
BSR OUT
ANALOG6 R C3060
SBRC
N.C 100/16V
AGND
C3061
TUNER L
SLC
TUNER R SL_OUT
100/16V
SL OUT
ANALOG4 L
AGND
ANALOG4 R SR_OUT
SR OUT
C3062
ANALOG3 L
SRC
ANALOG3 R IC301
100/16V
N.C
C3063
ANALOG2 L
SWC
R2A15218FP
ANALOG2 R 100/16V SW_OUT
SW OUT
ANALOG1 L
(8CH E.VOLUME
AGND
ANALOG1 R CT_OUT
C OUT
11 INPUT SELECTOR C3064
XM L
CC
XM R 100/16V
C3057 TONE CONTROL)
AGND
MIC. L C3065
C3058
10/50V FLC
MIC. R 100/16V FL_OUT
FL OUT
10/50V
ANALOG FRONT L
AGND
ANALOG FRONT R FR_OUT
FR OUT
C3066
N.C
FRC
AGND 100/16V
N.C
C3076
AD IN R R3074
BASSL1
AD IN L C3075
0.15uF 4.7K
BASSL2
C3074
N.C 0.047u
TREL
D+5V AVEE 0.022u
N.C
R3331 MUTE AVCC
10
-7V
+7V
C3301
10/50V
MUTE High
-12V
ZONE2 R
FUNC_MUTE2
Q3305
C3202
R3309 10/50V(H) +7V
1M
SUB_VOL_STB
C107S
MUTE High
-7V 5 6 7 8 SUB_VOL_CLK
MULTI_MUTE2
(H) SUB_VOL_DATA
Q3306
4 3 2 1
R3310
1M
C3203
C107S(H)
ZONE2 L 0.022u(H)
C3201
MUTE High
SB_MUTE2
10/50V(H)
Q3307
R3311
1M
C107S
MUTE High
SW_MUTE2
Q3308
R3312
1M
C107S
MUTE
INPUT<-->MCU&DSP
8 9 10 11 12 13 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
BN301 INPUT B'D<--->MCU&DSP B'D
+7V
GAIN : 20dB
5 6 7 8
ANALOG_OUT
R3109 R3110 SW_MUTE2 SBR_OUT
4 3 2 1
5.6K 5.6K
C3104 D3110 FUNC_MUTE2
SR_OUT
Q3109 Q3110
0.01uF C2875B C2875B 1SS355T
C3102 C3105
VOL_SW R3105 R3107 R3108 SW_OUT
SBL_OUT
10/50V 10K 10/50V 560 560
-7V SL_OUT
FR_OUT
CT_OUT
VOL_BSL C3081 R3088
10/50V 560 FL_OUT
R3095 SB_MUTE2
5.6K
Q3095
C2875B SBL_OUT
D3095
R3096 FUNC_MUTE2
5.6K OPEN
Q3096
C2875B
VOL_BSR C3082 R3089
SBR_OUT
10/50V 560
R3717
D3718
VOL_SL C3083 R3090
SL_OUT
D3717
10/50V 560
R3097 FUNC_MUTE2 SBR_OUT R3111
5.6K 470
Q3097
C2875B
R3098
5.6K
R3112
SBL_OUT
Q3098
C2875B
470
VOL_SR C3084 R3091 SR_OUT
SW_OUT R3113
10/50V 560
470
CT_OUT R3114
4.7
R3099 470
D3720
5.6K
SR_OUT R3115 D3719
Q3099
C2875B
470
VOL_CT C3085 R3092
CT_OUT
10/50V 560
VOL_FL C3086 R3093
FL_OUT
10/50V 560 SL_OUT R3116
470
R3100 FR_OUT R3117
5.6K 470
Q3100
C2875B
AGND
R3101
5.6K
FL_OUT R3118
Q3101
C2875B
470
VOL_FR C3087 R3094 FR_OUT
10/50V 560
MULTI_MUTE2
D3220
FUNC_MUTE2
OPEN
-7V
GAIN : 10.4dB
C3210 C3214
R3214 R3218
10/50V(H) 5.6K(H) 10/50V(H) 1K(H)
C3212
150p(H)
R3220
C3205
5.6K(H)
4 3 2 1
Q3220
10/50V(H)
C2875B(H)
(H)
5 6 7 8
R3219
C3209
5.6K
C3206
C3211
10/50V(H)
10/50V(H) 150p(H)
Q3219
AGND C2875B
R3213 C3213 R3217
5.6K(H) 10/50V(H) 1K(H)
3-45
2
1
1
2
C3717
JK318
CJJ4M044X
0.1uF 4.7
1SS355T
1SS355T
PRE_SBR
PRE_SBL
PRE_SW
PRE_CT
C3719
JK308
0.1uF R3719
1SS355T
1SS355T
PRE_SR
PRE_SL
PRE_FR
PRE_FL
JK307