Schematic Diagram - Main Board (2/3) - Sony MDR-NC500D Servise Manual

MDR-NC500D
5-5.

SCHEMATIC DIAGRAM - MAIN Board (2/3) -

A01
A02
A03
A04
A05
A06
A07
A08
A10
A09
(Page
17)
A11
A12
A13
A14
A15
A16
A17
MDR-NC500D
• See Page 15 for Waveforms.
(2/3)
R273
0
R173
0
R556 C557
10k 0.1
C559 0.1
C558 C560
10 10
10V 10V
STEREO AUDIO
CODEC
IC551
TLV320AIC23B
FB553
0
C553
C556 R554
0.1
0.1 0
C552 C555 FB552
10 10
10V 10V
R555
L551 L552
0
R560 TP553
10µH 10µH
10k
R551
220
C551 C554 TP552
0.1 0.1
TP505
R113 0
R213 0
C510
R112 R212 0.1
0 0
R506 R507
10k 10k
C511
C508
10
0.1
10V
C509
10
10V
STEREO AUDIO
CODEC
IC501
TLV320AIC23B
FB502 FB503
R509 0 0
1k
R503 R504
100 22
X501 TP502
12.288MHz
TP503
TP504
R502
0
C501 MCK
C512 C513
0.1
27p 27p
• See Page 22 for IC Block Diagrams.
R196
TP189 TP190
0
AUDIO SWITCH
C181
0.1
HYB_MIX GND
R197
330k
VCC
IC181 R178
TC7SB66FU 1M
C190
2200p
C182
0.1
AUDIO SWITCH
FF_MIX GND
R192
12k
C194
33000p
VCC
R179
1M
IC182
C183
TC7SB66FU
0.1
AUDIO SWITCH
MON_MIX GND
R176
4.7k
R198
1M
VCC
IC183 C192
TC7SB66FU 0.01
C281
0.1
AUDIO SWITCH
HYB_MIX GND
R297
330k
R278
1M
VCC
IC281
C290
TC7SB66FU
2200p
TP289
C282
0.1
FF_MIX GND
R292
C294
33000p
VCC
R279
1M
IC282
TC7SB66FU
C283 AUDIO SWITCH
0.1
MON_MIX GND
R276
4.7k
R298
1M
VCC
C292
0.01
IC283
TC7SB66FU
AUDIO SWITCH
Note: IC501 and IC551 on the MAIN board cannot exchange with single. When these parts on the MAIN board are
damaged, exchange the entire mounted board.
18 18
C186
2200p
R185
R183
10k
4.7k
RV182 RV182
TP184 R184
22k
6.8k
AMP GAIN
R181
R193
22k
0
TP181
R194 R180
0 33k
POWER AMP
IC184
TLV4113
R182 R190
12k 0
R187
C189 10k
47000p
R189
22k
R188 22k
C187
R159
0.1 C188
4.7k
2200p
C191 R186
0.22 22k
R381
100k
R285
10k
R283 C286
4.7k 2200p
TP281
R284
TP284 6.8k
RV282 RV282
22k
AMP GAIN
R294 R280 R293
0 33k 0
R296 TP290 R281
0 22k
POWER AMP
FB282
0
R282 R290
12k 12k 0
FB283
0
C284
C285
10
0.1
10V
C289
47000p
R287
R288
10k
22k
R259
C291 R286 C287 R289
4.7k
0.22 22k 0.1 22k
C288
2200p
MCK
MCK
BCK
BCK
LRCK
LRCK
BCK2
BCK2
LRCK2 LRCK2
DR1 DR1
DR2
DR2
DX2
DX2
SDA
SDA
SCLK
SCLK
(Page
AMUTE AMUTE
19)
HYB_MIX
HYB_MIX
FF_MIX
FF_MIX
MON_MIX
MON_MIX
TP282
SP201
TP283
(R-CH)