Onkyo A-5VL Service Manual page 5

BLOCK DIAGRAM
Phono
DIR
AK4112
MCLK
BCLK
LRCLK
DATA
1
2
3
R2S15215FP
DAC
WM8718 VLSC
DAC
WM8718 VLSC
MS_L
MS_R
DAC_RESET
DIR_TO
DIR_TI
DIR_CLK
DIR_CSN
DIR_RESET
TONE
VL Digital
TONE
NJM4556
Vol_UP
Vol_Down Motor Vol
Vol_A/D
6MHz
SELECTOR SW
BALANCE INPUT SELECTOR
MAIN MPU
SPEAKER SW
TREBLE
SPEAKER SW
R5F212A7SNFA
BASS
RI
RI
INTERFACE
Remote Sensor
A-5VL(*)MM* A-5VL(*)MD* A-5VL(*)MJ* A-5VL(*)MM* A-5VL(*)MD* A-5VL(*)MJ*
F901 T1.25A/250V 3.15A125V 3.15A125V T951 NPT-1487P NPT-1487D NPT-1487J
T901 NPT-1586M NPT-1586D NPT-1586J
T902 NPT-1586M NPT-1586D NPT-1586J
SP-A
SP-B
Head Phone
DAC/DIR
DAC/DIR
5V/3.3V
T951
NPT-1487
MPU Power SW
MPU
A/D Voltage / Motor Volume +5V
Relay
DAC
DAC Analog +5V
5V
Volume
Volume
+7V
Analog Slicer
OPAMP
+18V +22V
Analog Slicer
OPAMP
-18V -22V
Volume
Volume
-7V
Modulator
V/L Modulator
+5V
T901
AMP
AMP NPT-1586
+18V
FUSE
+B_Rch
Main AMP
-B_Rch
Main AMP
AMP
AMP
-18V
Driver
FET Driver IC
15V
Modulator
V/L Modulator
+5V
T902
AMP
AMP NPT-1586
+18V
+B_Lch
Main AMP
-B_Lch
Main AMP
AMP
AMP
-18V
Driver
FET Driver IC
15V
A-5VL
AC IN