Pioneer FH-P8800, Руководство по обслуживанию

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97
FH-P8800
AK7712AVT
25
26
50
51
75
76
100
1
PM0009BM
SE
R
IA
L
DIGITA
L
C
ON
TR
OLLOR
F
OR
VOLU
M
E
et
c
PH
A
S
E
IN
V
ERT
IN
G
SU
B
V
OL
SU
B
V
OL
S
IG
N
AL
M
IXE
R
AV
C
C
AG
ND
Vref
AGND Vref IN1 IN2 IN3 IN4
C1
C3 C2 Ct DGND LPFout
AVCC OUT1
SWout1
NC CLK STB DATA DVCC OUT2 OUT3 OUT4
SWout2
(OUT2 ,OUT4) (OUT1 ,OUT3)
1 2 3 4 5 6 7 8 9 10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
LP
F
MA
IN
V
O
L
U
ME
ZC
DE
T
MA
IN
V
O
L
U
ME
ZC
DE
T
M
A
IN
VOLU
M
E
ZC
DE
T
MA
IN
V
O
L
U
ME
ZC
DE
T
Pin No. Pin Name I/O Function and Operation
83 AOUTR1 O DAC1 Rch analog output 1
84 AOUTL1 O DAC1 Lch analog output 1
85 VRDAL I DAC reference voltage input
86 AVSS Analog GND
87 AVDD Analog power supply
88 VRDAH I DAC reference voltage input
89 NC Not used
90 AINR- I ADC Rch analog inverted input
91 AINR+ I ADC Rch analog input
92 AINL- I ADC Lch analog inverted input
93 AINL+ I ADC Lch analog input
94 VCOM O Common voltage
95 VRADL I ADC reference voltage input
96 AVSS Analog GND
97 AVDD Analog power supply
98 VRADH I ADC reference voltage input
99 AVB Analog PCB power supply
100 NC Not used