Pioneer VSX-D510, Service Manual

Page: 52 / 60

52
VSX-D510
OUT4
OUT3
OUT2
OUT1
AVDD
SWin
GNDS
SRin
1
2
3
4
5
6
7
8
SLin
GNDC
Cin
GNDR
Rin
GNDL
Lin
BYPASSR
9
10
11
12
13
14
15
16
BYPASSR
LTRE
LBASS3
LBASS2
LBASS1
17
18
19
20
21
MCU
I/F
DVDD
CLK
DATA
LATCH
DGND
AGND
SWout
<SW>
Volume
17-24k
Ω
SRout
42
41
40
39
38
37
36
35
SLout
Cout
Rout
Lout
AVSS
CL1
CL2
CR1
34
33
32
31
30
29
28
27
CR2
RTRE
RBASS3
RBASS2
RBASS1
26
25
24
23
22
<SR>
Volume
17-24k
Ω
<SL>
Volume
17-24k
Ω
<C>
Volume
17-24k
Ω
<R>
<R>
Volume
17-24k
Ω
70k
Ω
70k
Ω
<L>
Volume
17-24k
Ω
S
T
70k
Ω
70k
Ω
70k
Ω
12k
Ω
12k
Ω
300k
Ω
1.5k
Ω
S
T
<L>
70k
Ω
12k
Ω
12k
Ω
300k
Ω
1.5k
Ω
M62446FP (D.D & INPUT ASSY : IC103)
• Sound Controller IC (Volume and Tone Control)
•
Pin Function
•
Block Diagram
No. Pin Name Function
1 OUT4
2 OUT3
Output port (open drain of PchTr)
3 OUT2
4 OUT1
5 AVDD Analog positive power supply port
7 GNDS
10 GNDC
GND (connect to analog ground)
12 GNDR
14 GNDL
6 SWin
8 SRin
Volume input
9 SLin
11 Cin
36 SWout
35 SRout
Volume output
34 SLout
33 Cout
13 Rin
TONE input
15 Lin
16 BYPASSR
L and R Volume input at bypass
17 BYPASSL
31 Lout L output
32 Rout R output
No. Pin Name Function
18 LTRE
TONE TREBLE frequency control port
25 RTRE
19 LBASS3
24 RBASS3
20 LBASS2
TONE BASS frequency control port
23 RBASS2
21 LBASS1
22 RBASS1
26 CR2
TONE output port
28 CL2
27 CR1
L and R volume input
29 CL1
31 Lout L output
32 Rout R output
30 AVSS Analog negative power supply port
37 AGND Analog ground port
38 DGND Digital ground port
39 LATCH Latch input port
40 DATA Data input port
41 CLK Clock input port for data transmission
42 DVDD Digital power supply port