Diagrams; Block Diagram - Audio Section - Sony MDR-NC500D Servise Manual

5-1.

BLOCK DIAGRAM - AUDIO Section -

JACK BOARD (1/3)
LINE AMP
(INPUT)
IC361 (1/2)
LINE AMP
IC361 (2/2)
MIC131
(MONITOR)
MIC BIAS MIC AMP
A+3.3V
Q130 IC301 (1/2)
MIC101
(NOISE DETECT)
RV101
CANCELING GAIN
MIC231
(MONITOR)
MIC BIAS MIC AMP
A+3.3V
Q230 IC301 (2/2)
MIC201
(NOISE DETECT)
RV201
CANCELING GAIN
MDR-NC500D
SECTION 5

DIAGRAMS

STEREO AUDIO CODEC
IC551
17 LLINEIN DOUT 3 A10 DR2
BCLK 28 A9 CLKR2
LRCOUT 4 C9 FSR2
16 RLINEIN XTI/MCLK 22
22 21
STEREO AUDIO CODEC
IC501 (1/2)
17 LLINEIN DOUT 3 D8 DR1
BCLK 28 D7 CLKR1
16 RLINEIN B10 CLKX2
LRCOUT 4 A7 FSR1
23 XTO D10 FSX2
X501
CLKOUT 27 F2 X2/CLKIN
12.288MHz
22 XTI/MCLK
22 21
DSP STEREO AUDIO CODEC
IC601 IC501 (2/2)
LOUT 9
DX2 A11 1 DIN
ROUT 10
SYSTEM CONTROLLER
IC801 (1/2)
DR0 D6 35 DR0
DX0 E7 36 DX0
CLKR0 B5 37 CLK0
CLKX0 C6 AMUTE 3
FSR0 A5 50 FSR0
FSX0 B6 49 FSX0
_INT0 G14 2 INT0
_INT1 G13 1 INT1
GPIO4 A3 29 GPIO4
GPIO5 D5 27 GPIO5
_RESET H12 32 DSPRST
MONPATH 19
HYBPATH1 21
HYBPATH2 20
15 SDA
14 SCLK
AUDIO SWITCH
IC183
AUDIO SWITCH
IC181
AUDIO SWITCH
IC182
AUDIO SWITCH
IC283
AUDIO SWITCH
IC281
AUDIO SWITCH
IC282
13 13
RV182
AMP GAIN
+
POWER AMP SP101
IC184 (L-CH)
SIGNAL PATH
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
: MONITOR
RV282
AMP GAIN
+
POWER AMP SP201
IC284 (R-CH)
AMP OFF
SD
A
SWITCH
Q476
MDR-NC500D