NAD 375BEE C, Руководство по обслуживанию

Страница: 58 / 59

1
/100V
/100V
/250V
/100V
/100V
/250V
/100V
/100V
FROM
MAIN
TRANSFORMER
/250V
/250V
FROM
MAIN
TRANSFORMER
/16V
/16V
TO
LEFT
POWERAMP
TO
RIGHT
POWERAMP
/1%
/1%
/1%
/1%
/1%
/1%
/1/2W
/1/2W
SOFT CLIPPING
/100V
BRIDGE
TRIGGER OUT
/1/4W
/16V
/1/2W
/2W
IR IN
STEREO POSITION
NORMAL POSITION
TO
PHONO/ACCESSOR
Y
MODULE
T
O
HEADPHONE
BOARD
/2W
/160V
/160V
/250V
/250V
FOR BR201&TH201 FOR BR202&TH202
FOR IC201&IC202 FOR IC203&IC204
/2W
/2W
/1W
/1W
/1%
/1%
/1%
/1%
/63V
/63V
IR OUT
FOR Q214
/1%
/1%
/1%
/1%
/1% /1%
SPEAKER
A
SPEAKER
B
FOR Q206&Q216
FROM RS232 BOARD
/25V
/1KV
T
O
Extend
Module
VCC
ISC
BR L
SCN/MUTE
PROTECT L
SCP
ISC
RELAY
SCN/MUTE
PROTECT R
SCP
L O/P
R O/P
SP B
SP A
VSS
BR R
+26V
-80V
+80V
+15V
+80V
-80V
+15V
-15V
+80V
-80V
+15V
-15V
VCC
VSS
-15V
-26V
-26V
+36V
+26V
+36V
+36V
+12VD
+26V
+36V
+5VD
+26V
+5VD
+18V
+18V
-26V
+8.8V
+8.8V
SCLED
MUTE
IR OUT
SP B
SP A
BRIDGE
PROT
MM/MC
PHONO L
PHONO R
PHONO EN
EXTRA
IR IN
+
C242
2200uF
+
C242
2200uF
+
C274
10uF
+
C274
10uF
D218
1N4148
D218
1N4148
HS203
70-004003-1
HS203
70-004003-1
D215
13V
D215
13V
PAD2
Solder Pad
PAD2
Solder Pad
PAD5
Solder Pad
PAD5
Solder Pad
~
~
+ -
BR202
KBU8D
~
~
+ -
BR202
KBU8D
+
C272
10uF
+
C272
10uF
P211A
11PIN2.54-A130B
P211A
11PIN2.54-A130B
2
3
4
1
5
6
7
8
9
10
11
Q211
2SC1815
Q211
2SC1815
HS205
70-004003-1
HS205
70-004003-1
R2A1
1K
R2A1
1K
+
C259
1uF
+
C259
1uF
RL215B
JRC-27F/036/S
RL215B
JRC-27F/036/S
6
7
8
R292
4.7K
R292
4.7K
+
C248
10uF
+
C248
10uF
R250
22K
R250
22K
PAD3
Solder Pad
PAD3
Solder Pad
D231
1N4148
D231
1N4148
R2E4
240
R2E4
240
C276
100nF
C276
100nF
D220
1N4148
D220
1N4148
IC206
CD74HC86E
IC206
CD74HC86E
3B
10
4B
13
4A
12
4Y
11
3Y
8
2Y
6
GND
7
2B
5
1A
1
1B
2
1Y
3
2A
4
3A
9
VCC
14
P207B
5PIN3.96-C
P207B
5PIN3.96-C
1
2
4
5
3
R286
10
R286
10
D225
1N4007
D225
1N4007
R275
22K
R275
22K
C270
10nF C270
10nF
R2E3
2.67K
R2E3
2.67K
R289
4.7K
R289
4.7K
L201
1uH L201
1uH
RL211A
JQX-115F/036/1HS1
RL211A
JQX-115F/036/1HS1
3
4
Q204
MPSA42
Q204
MPSA42
S202A
SK-22F03-G7
S202A
SK-22F03-G7
1
2
3
PAD4
Solder Pad
PAD4
Solder Pad
D222
15V
D222
15V
+
C281
4.7uF
+
C281
4.7uF
IC201
NJM317F
IC201
NJM317F
O
2
I
3
ADJ
1
RL212A
JQX-115F/036/1HS1
RL212A
JQX-115F/036/1HS1
3
4
D211
1N4148
D211
1N4148
HS204
70-004003-1
HS204
70-004003-1
C228
10nF
C228
10nF
R259
4.7K
R259
4.7K
R2A6
47K
R2A6
47K
C243
100nF
C243
100nF
R2A4
10K
R2A4
10K
R282
3.3
R282
3.3
R258
4.7K
R258
4.7K
+
C241
2200uF
+
C241
2200uF
RL213A
JQX-115F/036/1HS1
RL213A
JQX-115F/036/1HS1
3
4
R263
4.7K
R263
4.7K
+
C234
22000uF
+
C234
22000uF
C266
N.I.
C266
N.I.
Q206
2SC4793
Q206
2SC4793
RL213B
JQX-115F/036/1HS1
RL213B
JQX-115F/036/1HS1
1
2
F202
MF-R075/90U-0-99
F202
MF-R075/90U-0-99
R254
1K
R254
1K
D223
1N4007
D223
1N4007
+
C282
2200uF
+
C282
2200uF
RL214B
JQX-115F/036/1HS1
RL214B
JQX-115F/036/1HS1
1
2
Q212
2SA1015
Q212
2SA1015
S201
SK-22F03-G7
S201
SK-22F03-G7
5
6
4 1
2
3
P206B
5PIN3.96-C
P206B
5PIN3.96-C
1
2
4
5
3
C239
10nF
C239
10nF
R2E6
2.2K
R2E6
2.2K
R267
24.9K
R267
24.9K
RL214A
JQX-115F/036/1HS1
RL214A
JQX-115F/036/1HS1
3
4
D232
1N5404
D232
1N5404
C250
100nF
C250
100nF
R279
100
R279
100
+
C247
10uF
+
C247
10uF
+
C261
330uF
+
C261
330uF
R2E5
100
R2E5
100
Q213
2SC1815
Q213
2SC1815
~
~
+ -
BR203
DB104G
~
~
+ -
BR203
DB104G
TH201
BT151-500R
TH201
BT151-500R
3
1 2
IC205
HS1237
IC205
HS1237
1
2 3
4
5
6
7
8
D210
1N4007
D210
1N4007
R299
4.7K
R299
4.7K
Q202
2SA1015
Q202
2SA1015
R273
2.2K
R273
2.2K
R268
24.9K
R268
24.9K
C279
10uF C279
10uF
R255
100
R255
100
+
C271
47uF
+
C271
47uF
C264
10uF C264
10uF
R2E1
2.67K
R2E1
2.67K
C249
100nF
C249
100nF
R265
56K
R265
56K
Q216
IRF5210
Q216
IRF5210
IC202
LM337T
IC202
LM337T
O
3
I
2
ADJ
1
C231
100nF
C231
100nF
+
C275
10uF
+
C275
10uF
R2E7
10K
R2E7
10K
C265
N.I.
C265
N.I.
C232
100nF
C232
100nF
R264
N.I.
R264
N.I.
+
C229
10uF
+
C229
10uF
C262
220nF
C262
220nF
R296
10K
R296
10K
R280
270
R280
270
D224
1N4007
D224
1N4007
IC203
NJM317F
IC203
NJM317F
O
2
I
3
ADJ
1
R252
1K
R252
1K
R262
220K R262
220K
C227
10nF
C227
10nF
C290
100nF
C290
100nF
+
C260
100uF
+
C260
100uF
R298
10K
R298
10K
J201
PY301-030-100-RS
J201
PY301-030-100-RS
R269
1K
R269
1K
R278
33K
R278
33K
R266
56K
R266
56K
J202B
SCJ351P00XS0B00
J202B
SCJ351P00XS0B00
21
25
C253
100nF
C253
100nF
P214B
FLEX DIP12
P214B
FLEX DIP12
1
2
3
4
5
6
7
8
9
10
11
12
D227
1N4007
D227
1N4007
R261
240
R261
240
D219
1N4148
D219
1N4148
R270
1K
R270
1K
TH202
BT151-500R
TH202
BT151-500R
3
1 2
C273
10nF
C273
10nF
R297
1K
R297
1K
D226
1N4007
D226
1N4007
P216B
2PIN2.54-C
P216B
2PIN2.54-C
1
2
+
C251
10uF
+
C251
10uF
R2E2
240
R2E2
240
R294
820
R294
820
RL215A
JRC-27F/036/S
RL215A
JRC-27F/036/S
3
4
5
R288
4.99K
R288
4.99K
P212A
11PIN2.54-A130B
P212A
11PIN2.54-A130B
2
3
4
1
5
6
7
8
9
10
11
+
C291
10uF
+
C291
10uF
Q214
KSC2690
Q214
KSC2690
R2E8
15K
R2E8
15K
+
C256
1000uF
+
C256
1000uF
R257
100
R257
100
P213B
FLEX DIP12
P213B
FLEX DIP12
1
2
3
4
5
6
7
8
9
10
11
12
C235
100pF
C235
100pF
D228
1N4148
D228
1N4148
P210A
5PIN3.96-AxxB
P210A
5PIN3.96-AxxB
1
2
3
4
5
G2G1
Ground Solder Tap
G2G1
Ground Solder Tap
1
R271
1K
R271
1K
Q203
MPSA92
Q203
MPSA92
Q205
2SC1815
Q205
2SC1815
R295
10K
R295
10K
Q209
2SC1815
Q209
2SC1815
R287
10
R287
10
P217B
2PIN3.96-C
P217B
2PIN3.96-C
1
2
~
~
+ -
BR204
DB104G
~
~
+ -
BR204
DB104G
C244
100nF
C244
100nF
D216
1N4148
D216
1N4148
R2A7
330
R2A7
330
RL212B
JQX-115F/036/1HS1
RL212B
JQX-115F/036/1HS1
1
2
R284
270
R284
270
R256
1K
R256
1K
R2A3
33
R2A3
33
HS201
70-004003-1
HS201
70-004003-1
+
C255
1000uF
+
C255
1000uF
R251
22K
R251
22K
R291
4.7K
R291
4.7K
D214
1N4148
D214
1N4148
C268
N.I.
C268
N.I.
RL215C
JRC-27F/036/S
RL215C
JRC-27F/036/S
1
2
C269
10nF C269
10nF
R283
3.3
R283
3.3
R260
240
R260
240
R2G1
0
R2G1
0
+
C246
10uF
+
C246
10uF
RL211B
JQX-115F/036/1HS1
RL211B
JQX-115F/036/1HS1
1
2
P215B
3PIN2.54-C
P215B
3PIN2.54-C
1
2
3
R272
1K
R272
1K
Q207
2SC1815
Q207
2SC1815
R249
10K
R249
10K
Q201
2SC1815
Q201
2SC1815
D229
1N5404
D229
1N5404
R2A5
10
R2A5
10
D230
1N4148
D230
1N4148
C254
100nF
C254
100nF
HS202
70-004003-1
HS202
70-004003-1
C258
100nF
C258
100nF
R277
150K
R277
150K
Q215
2SC1815
Q215
2SC1815
D221
1N4148
D221
1N4148
IC204
LM337T
IC204
LM337T
O
3
I
2
ADJ
1
R2A2
1K
R2A2
1K
~
~
+ -
BR201
KBU8D
~
~
+ -
BR201
KBU8D
C257
100nF
C257
100nF
F201
MF-R075/90U-0-99
F201
MF-R075/90U-0-99
Q208
2SA1015
Q208
2SA1015
L202
1uH L202
1uH
D213
24V
D213
24V
C240
10nF
C240
10nF
R293
180
R293
180
+
C263
10uF
+
C263
10uF
+
C230
10uF
+
C230
10uF
+
C252
10uF
+
C252
10uF
+
C277
1000uF
+
C277
1000uF
R285
6.8K
R285
6.8K
R253
1K
R253
1K
J202A
SCJ351P00XS0B00
J202A
SCJ351P00XS0B00
1
4
5
R276
82K
R276
82K
+
C278
1000uF
+
C278
1000uF
Q210
2SC1815
Q210
2SC1815
F203
MF-R075/90U-0-99
F203
MF-R075/90U-0-99
+
C245
10uF
+
C245
10uF
D212
24V
D212
24V
D217
1N4148
D217
1N4148
PAD6
Solder Pad
PAD6
Solder Pad
PAD1
Solder Pad
PAD1
Solder Pad
R281
270
R281
270
HS206
HEATSINK
HS206
HEATSINK
C267
N.I.
C267
N.I.
C280
N.I.
C280
N.I.
+
C233
22000uF
+
C233
22000uF
P208B
3PIN2.54-C
P208B
3PIN2.54-C
1
2
3
P209A
5PIN3.96-AxxB
P209A
5PIN3.96-AxxB
1
2
3
4
5
R274
150K R274
150K
PSU
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.
- 5 8 -
SCHEMATICS DIAGRAM PSU (WITH MDC +8.8V SUPPORT)