Sony MDR-NC6, Руководство по обслуживанию

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MDR-NC6
6 6
MDR-NC6
4-2. SCHEMATIC DIAGRAM BOARD
IC1
Q2 Q4
Q1 Q3
IC2
Q13
Q14
R1
R2
R3
R4
R6
R5
R7
R8
R9
R10
R11
R12
R21
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31
R32
R33
R35
R36
R37
R38
R39 R40 R41 R42
R43
R44
C1
C2
C3
C4
C5
C6
C7
C8
R17 R19
C9
C10
R20 R18
C11
C12
C13
C14
C15
C16
R45
C21
C22
C24
C27
C28
C29
C30
C31
C32
C33
D1
IC3
C34
C35
C36
P1
Q5 Q7
Q6 Q8
Q10
Q9
Q11
Q12
SP1
MIC1
SP2
MIC2
Q16
C23
SFR1
SFR2
R13
R15
R14
R16
Q15
R34
S1
C25
C26
C20
C18
C19
C17
NJM2076
DTC343TK DTC343TK
DTC343TK DTC343TK
NJM2076
2SC2412
2SC2412
18
18
150k
150k
2.2
2.2
18k
18k
10k
10k
6.8k
6.8k
2.2
2.2
2.2
2.2
1.5k
1.5k
470
470
680
680
100
100
470k
5.6k
5.6k
1k
1k
100 10k 10k 10k
0
220
10
16V
10
16V
47
4V
47
4V
0.47
0.47
0.47
0.47
2.2 2.2
100
4V
100
4V
2.2 2.2
100
4V
100
4V
47
4V
47
4V
47
4V
47
4V
220
0.022
0.022
0.015
0.047
0.047
100
4V
3300p
3300p
0.047
0.1
L-1034ID
S-817B11AMC
CWA-T2
10
16V
10
16V
100
4V
DTC323TK DTC323TK
DTC323TK DTC323TK
2SA1182
2SA1182
2SA1182
2SA1182
FMA4
0.015
10K
10K
2.2
2.2
2.2
2.2
FMW1
470k
4.7 6.3V
4.7 6.3V
4.7
6.3V
4.7
6.3V
4.7
6.3V
4.7
6.3V
L-AUDIO
+VCC
+B
GND
GND
R-AUDIO
R-AUDIO
+
V
C
C
+
B
G
N
D
R
-A
U
D
IO
-B
+B
-1 -2
-1 -2
SWITCHING
AMP
BUFFER
BUFFER
AMP
AMP
AMP
(L-CH)
(L-CH)
(R-CH)
(R-CH)
POWER AMP
POWER AMP
Q1,3,5,7
SWITCHING
Q2,4,6,8
OSC
LED DRIVE
POWER
DRY BATTERY
SIZE"AAA"
(IEC DESIGNATION R03)
ON
OFF
O I
G
+1.1V REGULATOR
4
1
1 4
1PC. 1.5V
(POWER)
• TOTAL CURRENT
10 - 15 mA
•
See page 4 for Waveforms