Schematic Diagram - R-Ch Section - Sony MDR-NC60 Service Manual

MDR-NC60
4-5. SCHEMATIC DIAGRAM – R-CH Section –
R202 R203
10k 10k
C202 C203
2200p 2200p
-2-1
C201
1 UMW1N-TR
R206
4.7k
TP918
JW103
0
L151
4.7µH
TP919
TP920
TP922
TP917
C157
1
4
TP925
TP924
TP926
TP927
1
C152
C153
10
0.01
6.3V
VIN CONT
NC GND
DRY BATTERY
TP921
SIZE"AAA"
(IEC DESIGNATION R03) TP923
1PC. 1.5V
TP928
MIC101
TP929 VOLTAGE DETECT
(MONITOR)
IC151
XC61CN1002NR
C104
4700p
C105
4700p
TP930
MIC102
TP931
(NOISE DETECT)
MDR-NC60
• See page 14 for Waveform. • See page 14 for IC Block Diagrams.
R204
10k
R126
16k
-1-2
R157
0
Q202
UMA4N-TR
C204
0.1
Q201
Q201,202
R205
LED DRIVE
820 R201
22
VCC
BUFFER
IC103
DC/DC CONVERTER NJM2732RB1
IC152
LTC3526B
L152
SW
V-OUT
GND
FB
V-IN
SHDN
R123 R156
10k 0
C163
C116 C161 C159
22
0.1 0.01 33p
6.3V R168
R154 C118 C120
330k
1M 0.1 0.22
C156
220 C155 R155 C158 R122
TP102
4V 0.01 1M 10 330k
TP103
JW102 C117 C119
0 0.047 0.047
Q151
2SB1690K
TP115
R151
100k R152
10k
Q151,152
R153 R101
220 B+ SWITCH 4.7k
R160
10k
Q152
2SC2412K
+2V REGULATOR
C165
4.7 VIN VOUT
IC101 GND
TK70520SCL-G CONT NP
R104
2.7k
R103
0
C107 C115 C108
1 0.1 1
R128 C122 R135
16k 4700p 10k
R129 R165 R136 R137
R127 22k 0 47k 10k
3.3k
C124 C128 R158
C121 0.1 0.01 0 C129
0.022 0.047
R141 C133
470k 0.01
VCC
BUFFER
MONITOR SWITCH
IC104
NJM2732RB1 IC105
SN74LVC1G3157
GND GND
R140 TP106 TP107
0
C125
0.033
R159 0
JW101
C130 0
R131 R133 C127 2200p
100k 820 0.033
R130 C126 R132
2.7k 0.01 1.5k
R125 R139
10k 0
R124 R134 R138 C136
100k 560 56k 0.022
R172 C174 R173 D101 D102 R111
2.7k 0.1 6.8k 1SS400TE 1SS400TE 22k
S
C173
0.47
Q103
3LN01S-TL
MUTING
R174
2.2k
VCC
MIC AMP
IC102
NJM2732RB1
RV101
22k
CANCELING
GAIN
R175
2.2k
C112
10
C114
C113 R112 R113
10
0.1 47k 47k
6.3V
18 18
C138
10 6.3V
R146
22k
C145
0.033
VCC POWER AMP
IC106
LM4916LDX/NOPB
GND
RV102
22k
AMP
GAIN
R143
2.2k
C131
2.2 R110
D141 1SS400TE
4.7k C137 R169 C142
2.2 10k 1
R144 47k
R145 47k
C135 R162 C140
0.1 R161 220k 4.7
D142 1SS400TE
10k
R142 C141
100k 0.1
C111
0.047 C146 R121 R114 C148 R115
0.022 18 22 1 10
R116 R117
4.7k 4.7k
R109
10k -2-1
Q101 Q101,102
IMX9
SWITCH
GND
C139
0.1
R163
4.7
TP932
SP101
TP933
(R-CH)
R164
4.7
C143 C144
R147 R148
220 220
22k 22k
4V 4V
R149 R150
4.7 4.7
TP105
R118 R119
4.7k 4.7k
-2-1
Q102
IMX9