BLOCK DIAGRAM
PMA-1600NE Block Diagram
RIAA
IN
PU
T
SE
RE
CT
OR
RE
C
OU
T
SE
LE
CT
OR
LC
78212
NFB
PROTECION
CIRCUIT
PHONO
MM/MC
CD
NETWORK
RECORDER
IN
RECORDER
OUT
SPEAKER
A
HEADPHONE
CD Direct
REC BUFFER
USB
Type B
USB DAC
XMOS
XS1_U8A_128_FB217
OPTICAL1
DIR
PCM9211
Clock 24MHz
DAC
TI
PCM1795
+out
-out
A_MUTE
Master Clock
24.576MHz
Master Clock
22.5792MHz
BALANCE
SOURCE DIRECT
TONE
MAIN
VOLUME
Power Amp
45.5dB
Phono Amp
35.6dB(MM)
57.6dB(MC)
SPEAKER
B
(Bi-wiring)
Advanced AL32 Plus
FPGA
EP4CE15F17C8
DIR I2S
I/V
Amp
LPF
Amp
Buffer
Buffer
Memory Flash
EPCQ16SI8N
Serial Flash
MX25L4006EM1I-12G
MCK
UCOM
M3062LFGPGP
Protection
Speaker Relay
Function Relay
Power Relay
Indication LED
Tact SW
Clock 16MHz
Selector SW
FPGA(AL32)
USB-DAC
(XMOS)
DIR
(PCM9211)
DAC
(PCM1795)
MUTE
Input Selector
(LC78212)
EEPROM
BR93L66F
Line Detect
Standby LED
MCK Sel
FL Display
Motor Volume
(LB1930MC)
USB-B MCK
USB-B DSD
USB-B I2S
DIR CLK
DBCK
IR Sensor, Remote in
PCM DATA L
PCM DATA R
PCM BCK
WCK/DSD_R
DSD_L
44.1/48k
MODE
COAXIAL1
OPTICAL2
INT/EXT
MCLK2
Line Detect IC
NJU7181
LEVEL DIAGRAM
SPEAKER OUT
70W 8Ω
23.7V (27.5dB)
-40
-30
MC 0.17mV (-75.6dB)
MM
2.1mV (-53.6dB)
CD etc.
125mV (
-18.0
dB)
-80
-70
[dB]
-90
-20
-10
0
10
-60
-50
20
30
23
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating
