Pioneer SC-LX81 Service Manual

24
SC-LX81
1
2 3 4
A
B
C
D
E
F
1
2 3 4
4.3 DSP BLOCK DIAGRAM
DIGITAL IN
FLASH ROM
4Mbit
IC2202
16bit DATA BUS
18bit ADDRESS BUS
RST
SPI
ANALOG IN
FLASH ROM
16Mbit
IC2702
FLASH ROM
1Mbit
IC2802
SDRAM
64Mbit
IC2703
ADC
PCM1804DB
IC2951
I2S
RST
SELECTOR
TC74LCX157FTS1
IC2404
DSP1st (DECODER)
FREESCALE
DSP56720AG
IC2701
DSP2nd (PPP)
FREESCALE
DSPC56371AF180
IC2801
BUFFER
TC74LCX08FTS1
IC2805
DAC
WM8740SEDS
IC3052(FL,FR)
IC3152(C,SW)
IC3252(SL,SR)
IC3352(SBL,SBR)
ZONE2 DAC
AK4387ET
IC3451
CN2901
SRC
SRC4190IDB
IC3051(FL,FR)
IC3151(C,SW)
IC3251(SL,SR)
IC3351(SBL,SBR)
SC-LX81
MODEL ONLY
RST(NET)
SPI
S/PDIF
RST
SPI
RST
SPI
I2S
FD
I2S
I2S
I2S
2ch PCM DIRECT
BASIC AUDIO
I2S(2ch PCM)
RST SPI
I2S
I2S
I2S
I2S
I2C
I2S
D-MOTHER ASSY
8bit DATA
BUS
21bit
ADDRESS
BUS
12bit
ADDRESS
BUS
MAIN µ-COM
PEG489B8
IC2001
DSP µ-COM
(128pin)
PEG396A
IC2201
RST
DIGITAL OUT
RST
HDMI NETWORK ASSY
16bit
DATA
BUS
SC-LX71
MODEL
SELECTOR
TC74LCX157FTS1
IC2803
RST(HDMI)
I2S
RST
RST
SPI
I2S
I2S(HDMI)
CN2902
VOLUME
CONTROL
DIR & DIT
AK4114VQ
IC2401
SELECTOR
TC74LCX157FTS1
IC2403
I2S(NET)
CN2402
(1/2)
CN2402(2/2)
CN2003 CN2008
B
E

Pioneer SC-LX81 Specifications

General

Brand	Pioneer
Model	SC-LX81
Category	Receiver
Language	English