NAD C 730 - TUNER BOARD; KEY BOARD

19
KEY BOARD
S10
S11
S12 S13 S14 S01 S02 S03 S04 S05 S06
S26
S07
S08 S09
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S01 S03 S04 S05 S06 S07 S08 S09 S10 S11 S12 S13 S14 S15 S16 S18 S19 S20 S22 S23 S24 S33
AC4V8_1
AC4V8_2
AC4V8_2 AC4V8_1
S25
S25
AC4V8_1 AC4V8_2
S02 S21 S25
S33
+13V
STANDBY RELAY
S17
+5V
+5V
S26
S25
-VP
+5V6
-VP
N/A
NAD
N/A N/A
TONE IN
NAD IN
RESET
HEAD_P IN
XT_2
VSS_1
6M_CF 6M_CF
VDO_1
A/D 0 A/D 1 A/D 2
4.4V DETECT
PROTECT IN
RDS SIGNAL
FA SMETER
AM SMETER
TRIGGER IN
RDS CLK IN
REMCON
10G
9G
8G
7G
6G
5G
4G
3G
2G
1G
P18
P17
P16
P15
P14
P13
VDO -30V P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 P2 P1 N/A OPTION INPUT FM STEREO RDS DATA FM SD RSD SELECT AM STEP FM STEP MODEL TONE
SPK RELAY
MUTE
TUNER MUTE
STANDBY RELAY
VOL. UP
VOL. DN
11 LED
12 LED
VSS_2
9273/7218 DATA OUT
7218 DATA
9273/7218 CLK
9273 STB
EE_DATA OUT
7218 CE
EE_CLK OUT
1 2 3
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
1 2 3
1 2 3 1 2 3 4
17
OUT SELECT
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
1
2 3 4 5 6 7
8 9
10
11 12 13 14
15
16 18 19 20 21 22 23 24
25262728293031323334353637383940
OUT
U201 LC866448
R258 22K
R259 22K
C208
47u/16V
M216
BLEND
M210
FM MUTE
M207
FM/AM
M201
TUNE
M213
MEMORY
M202
DISC
M206
TUNE DN
M203
DISPLAY
M219A 6MHz
CST6.00MGW
R257 22K
R232 10K
D209 1N4148
D202
1N4004
R231 22K
D204
1N4148
D205
1N4148
D206
1N4148
D207
1N4148
R252
10K
R253
10K
R254
10K
R255 10K
R256 10K
R281 10K R282
10K
R283 10K R284 10K
R285 22K R286
22K
C205
0.1u
R230 22K
R219 1K
R218 1K
J201A TO LED BD
R201
820
R204 820
R207
1K8
R210
2K2
R213
4K7
M217
TAPE1_MON
M215
TAPE2
M211
AUX
M208
VIDEO
M205
CD
M214
TUNER
R208
1K8
R211
2K2
R214
4K7
R216
6K8
R202
820
R205
820
R203
820
R291
10K
R292 10K
R293
10K
C203
100u/6V3
C204 0.01u
J206A 35PIN
RDS CLK IN TRIGGER AM SMETER FM SMETER RDS SIGNAL PROTECT IN TONE IN 7218 CE 9273 STB 9273/7218 CLK 7218 DATA 9273/7218 DATA OUT VOL DN VOL UP +13V TUNER MUTE MUTE SPK RELAY FM SD RDS DATA FM STEREO -30V 5V6
M220
DISPLAY
R263 100K
R264 100K
R265 100K
R266 100K
R267 100K
R268 100K
R269 100K
R270 100K
R271 100K
R272 100K
R273 100K
R274 100K
R241 100K
R242 100K
R243 100K
R244 100K
R245 100K
R246 100K
R233 10K R234 10K R235 10K R236 10K R237 10K R238
10K
R239 10K R240 10K R247 10K R248 10K M218
PIC-12043TE2
REMOTE SENSOR
L201
22uH
D203 5V6 1/2W R220
470R R221 470R R222 470K
D201
1N4148
C201
100u/6V3
C202 0.01u
J104B AC POWER
R215
820
M209
TUNE UP
GREEN RED
J101 TO POW
D210 1N4148
C206 10U/16V
R260 470R
D211 5V1
GREEN=ON
GREEN+RED=STDBY
NAD IN NAD OUT TONE OUT HEAD-PIN D_GND
5V1
R294
4.7K
1
2
3
4
5
6
7
8
U202
24C08
NOTE: 1. RESISTORS ARE CARBON FILM 5% 1/8W
UNLESS OTHERWISE SPECIFIED.
2. CERAMIC CAPACITORS ARE 50V 10%
UNLESS OTHERWISE SPECIFIED.