Schematics Diagram Psu (Without Mdc +8.8V Support) - NAD 375BEE C Service Manual

SCHEMATICS DIAGRAM PSU
P206B P206B
BR201 BR201
KBU8D KBU8D
5
4
- -
3
2
1
5PIN3.96-C 5PIN3.96-C
HS205 HS205
D222 D222
15V 15V
70-004003-1 70-004003-1
FOR Q206&Q216
R2E5 R2E5
Q216 Q216
100 100
IRF5210 IRF5210
D223 D223
+18V
1N4007 1N4007
+ +
C276 C276
C277 C277
D224 D224
100nF 100nF 1000uF 1000uF
1N4007 1N4007
P207B P207B
1
- -
2
3
4
5
5PIN3.96-C 5PIN3.96-C
D210 D210
1N4007 1N4007
G2G1 G2G1
R262 R262
1
220K 220K
Ground Solder Tap Ground Solder Tap
C259 C259
1uF 1uF /100V
MUTE
SCLED
BRIDGE
+36V
R263 R263 R2A6 R2A6
4.7K 4.7K 47K 47K
8 6
R264 R264
IC205 IC205
N.I. N.I.
HS1237 HS1237
7 5
+ +
C260 C260
100uF 100uF /16V + +
C261 C261
C262 C262
330uF 330uF /16V 220nF 220nF
RL215A RL215A
5
R280 R280
3
P208B P208B
4
270 270 /2W
1
JRC-27F/036/S JRC-27F/036/S
2
3
3PIN2.54-C 3PIN2.54-C
RL215B RL215B
PAD1 PAD1
7
R281 R281
6
8
270 270 /2W
Solder Pad Solder Pad
JRC-27F/036/S JRC-27F/036/S
PAD2 PAD2
Solder Pad Solder Pad
PAD3 PAD3
C265 C265 C266 C266
N.I. N.I. N.I. N.I.
Solder Pad Solder Pad
PAD4 PAD4
C267 C267 C268 C268
Solder Pad Solder Pad
N.I. N.I. N.I. N.I.
PAD5 PAD5
Solder Pad Solder Pad
PAD6 PAD6
Solder Pad Solder Pad
+36V
Q206 Q206
2SC4793 2SC4793
+12VD +18V
Q207 Q207
+ + 2SC1815 2SC1815
C272 C272
10uF 10uF
R288 R288 R289 R289
4.99K 4.99K
/1% 4.7K 4.7K /1%
R291 R291
SP B
SP B
4.7K 4.7K
D211 D211
PROT
1N4148 1N4148
R292 R292
SP A
SP A
4.7K 4.7K
(WITHOUT MDC +8.8V SUPPORT)
BR202 BR202
~ ~ ~ ~
KBU8D KBU8D
+ + - - + +
~ ~ ~ ~
+ +
C278 C278
1000uF 1000uF
R2E6 R2E6
D226 D226
2.2K 2.2K
1N4007 1N4007
D225 D225
1N4007 1N4007
~ ~
D227 D227
~ ~
1N4007 1N4007
+ +
- - + +
~ ~
BR203 BR203 ~ ~
DB104G DB104G
BR204 BR204
DB104G DB104G
R2G1 R2G1
0 0
C280 C280
N.I. N.I.
C279 C279
10uF 10uF
D228 D228
1N4148 1N4148
D212 D212
R267 R267
VCC
24.9K 24.9K /1%
24V 24V /1/2W
R269 R269
1K 1K /1%
S201 S201
6 3
5 2
R270 R270
1K 1K /1%
4 1
SK-22F03-G7 SK-22F03-G7
SOFT CLIPPING
NORMAL POSITION
R271 R271
1K 1K /1%
R272 R272
1K 1K /1%
D213 D213
R268 R268
VSS
R265 R265
24.9K 24.9K /1%
56K 56K
24V 24V /1/2W
R266 R266
56K 56K
RL211A RL211A
4
3
JQX-115F/036/1HS1 JQX-115F/036/1HS1
RL212A RL212A
4
3
JQX-115F/036/1HS1 JQX-115F/036/1HS1
RL213A RL213A
4
3
JQX-115F/036/1HS1 JQX-115F/036/1HS1
RL214A RL214A
4
3
JQX-115F/036/1HS1 JQX-115F/036/1HS1
R293 R293
180 180 /2W
D219 D219
RL215C RL215C RL211B RL211B
1N4148 1N4148
1 1
2 2
JRC-27F/036/S JRC-27F/036/S
JQX-115F/036/1HS1 JQX-115F/036/1HS1
RL212B RL212B
+26V
1
2
JQX-115F/036/1HS1 JQX-115F/036/1HS1
2SC1815 2SC1815
Q203 Q203
R255 R255
MPSA92 MPSA92
100 100
R250 R250
22K 22K
R252 R252
1K 1K
2
+ +
TH201 TH201
C229 C229 BT151-500R BT151-500R
10uF 10uF /100V
Q201 Q201
2SC1815 2SC1815
+ +
C230 C230
TH202 TH202
10uF 10uF /100V
BT151-500R BT151-500R
1
R254 R254
1K 1K
R249 R249
Q202 Q202
Q204 Q204
R253 R253
2SA1015 2SA1015
MPSA42 MPSA42
10K 10K 1K 1K
R251 R251
22K 22K
3 2
I O
R260 R260
IC201 IC201
240 240 /1%
NJM317F NJM317F
D220 D220
+ +
1N4148 1N4148
C243 C243 + +
100nF 100nF C245 C245
R258 R258
10uF 10uF
4.7K 4.7K /1%
+ +
C246 C246
R259 R259
10uF 10uF
4.7K 4.7K /1%
C244 C244
100nF 100nF
+ +
D221 D221
1N4148 1N4148
IC202 IC202
LM337T LM337T R261 R261
240 240 /1%
2 3
I O
R273 R273
2.2K 2.2K
S202A S202A
1
+ +
C263 C263
R275 R275
2
10uF 10uF 22K 22K
3
SK-22F03-G7 SK-22F03-G7
R274 R274
BRIDGE R276 R276
150K 150K
82K 82K
STEREO POSITION
-26V
C264 C264 R2A1 R2A1
10uF 10uF
1K 1K
L201 L201 R282 R282
1uH 1uH 3.3 3.3 /1W
+26V
R283 R283
L202 L202
3.3 3.3 /1W
1uH 1uH
-26V
+5VD
+36V
C269 C269 C270 C270
D216 D216
10nF 10nF 10nF 10nF
1N4148 1N4148
+5VD
14
R294 R294
13
12
820 820
11
R295 R295
Q208 Q208
10
2SA1015 2SA1015
9
10K 10K
8
RL213B RL213B
1
2
C290 C290
D217 D217 D218 D218
JQX-115F/036/1HS1 JQX-115F/036/1HS1 100nF 100nF
1N4148 1N4148 1N4148 1N4148
RL214B RL214B
1
2
JQX-115F/036/1HS1 JQX-115F/036/1HS1
Q209 Q209 Q210 Q210
2SC1815 2SC1815
- 11-
HS201 HS201
R256 R256
1K 1K
70-004003-1 70-004003-1
FOR BR201&TH201
1
+ +
C233 C233
C231 C231
100nF 100nF /100V 22000uF 22000uF /100V
+ +
C232 C232
C234 C234
100nF 100nF /100V 22000uF 22000uF /100V
2
HS203 HS203
R257 R257
100 100
70-004003-1 70-004003-1
70-004003-1 70-004003-1
FOR IC201&IC202 FOR IC203&IC204
IC203 IC203
NJM317F NJM317F
3 2
I O
C249 C249
100nF 100nF
+ +
C251 C251
+ +
C247 C247 10uF 10uF
+ +
10uF 10uF C274 C274
10uF 10uF
+ +
C275 C275
+ +
10uF 10uF
C248 C248
10uF 10uF
+ +
C252 C252
C250 C250
100nF 100nF 10uF 10uF
2 3
I O
IC204 IC204
LM337T LM337T
+26V
R278 R278
33K 33K
Q205 Q205
2SC1815 2SC1815
D214 D214
R277 R277 R279 R279
150K 150K 100 100
1N4148 1N4148
C281 C281
4.7uF 4.7uF
MM/MC
PHONO EN
1
P215B P215B
2
3PIN2.54-C 3PIN2.54-C
3
FROM RS232 BOARD
F202 F202
PHONO L
PHONO R
MF-R075/90U-0-99 MF-R075/90U-0-99
F203 F203
MF-R075/90U-0-99 MF-R075/90U-0-99
F201 F201
Q214 Q214
MF-R075/90U-0-99 MF-R075/90U-0-99 R286 R286
KSC2690 KSC2690
R284 R284
10 10 /1/4W
Q213 Q213
270 270 /2W
2SC1815 2SC1815
R285 R285
Q215 Q215
6.8K 6.8K
HS206 HS206 2SC1815 2SC1815
HEATSINK HEATSINK
D215 D215
13V 13V /1/2W
R2E7 R2E7
FOR Q214
10K 10K
IC206 IC206
1 D230 D230
R296 R296
VCC 1A
R2E8 R2E8
2 1N4148 1N4148
10K 10K
4B 1B
15K 15K
3
4A 1Y
4
4Y 2A
5
3B 2B
6
3A 2Y
7
3Y GND
R297 R297
Q211 Q211 1K 1K
+ +
CD74HC86E CD74HC86E
C291 C291
2SC1815 2SC1815
10uF 10uF
C273 C273
10nF 10nF
All Polyester capacitors are 63V 5% unless noted.
All Elec. capacitors are 50V 20% unless noted.
All Resistor are 1/6W 5% RJ13 unless noted.
HS202 HS202
70-004003-1 70-004003-1
FOR BR202&TH202
P209A P209A
VCC
1
2
3
4
L O/P
5
5PIN3.96-AxxB 5PIN3.96-AxxB
P210A P210A
1
VSS
2
3
4
R O/P
5
HS204 HS204
5PIN3.96-AxxB 5PIN3.96-AxxB
+36V
+80V
+26V
+15V
+ +
C253 C253
100nF 100nF
+ +
C254 C254
100nF 100nF
-15V
-26V
-80V
P211A P211A
1
+15V
2
-15V
3
4
5
+80V
6
-80V
PROTECT L
7
SCN/MUTE
8
SCP
9
ISC
10
BR L
11
11PIN2.54-A130B 11PIN2.54-A130B
P212A P212A
1
+15V
2
-15V
3
RELAY
4
5
+80V
6
-80V
PROTECT R
7
SCN/MUTE
8
SCP
9
ISC
10
BR R
11
11PIN2.54-A130B 11PIN2.54-A130B
EXTRA
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 12
P213B P213B P214B P214B
FLEX DIP12 FLEX DIP12 FLEX DIP12 FLEX DIP12
+ +
C271 C271
47uF 47uF /16V J201 J201
R287 R287
PY301-030-100-RS PY301-030-100-RS
10 10
TRIGGER OUT
IR IN
D231 D231
IR OUT
R2A2 R2A2 1N4148 1N4148
1K 1K
R299 R299
4.7K 4.7K
IR OUT
Q212 Q212
J202A J202A
R2A3 R2A3
2SA1015 2SA1015
5
4
33 33
R298 R298
1
10K 10K
SCJ351P00XS0B00 SCJ351P00XS0B00
R2A7 R2A7
330 330
R2A4 R2A4 J202B J202B
25
10K 10K
21
SCJ351P00XS0B00 SCJ351P00XS0B00
R2A5 R2A5
IR IN
10 10