JVC RX-8012VSL Service Manual page 21

PCM2702E-X (IC410) : Digital/ Analog converter
1.Pin layout
1 XTI
XTO 28
V C
2
DD
VccP 27
DGNDC
3
AGNDP 26
4 V
DD
VccL 25
DGND
5
AGNDL 24
D+
6
V L 23
OUT
7 D-
Vcc 22
8 V
BUS
V 21
COM
DGND
9
AGND 20
10 PLYBCK
V R 19
OUT
11 SSPND
AGNDR 18
ZERO
12
VccR 17
TEST3
13
TEST0 16
14 TEST2
TEST1 15
3.Pin function
PIN Symbol I/O
1 XTI
2 V C
DD
3 DGNDC
4 V
DD
5 DGND
6 D+ I/O
7 D- I/O
8 V
BUS
9 DGNDU
10 PLYBCK OUT
11 SSPND OUT
12 ZERO OUT
13 TEST3
14 TEST2
15 TEST1
16 TEST0
17 VccR
18 AGNDR
19 V R OUT
OUT
20 AGND
21 V
COM
22 Vcc
23 V L OUT
OUT
24 AGNDL
25 VccL
26 AGNDP
27 VccP
28 XTO OUT
Note:
(1) 3.3V tolerant.
(2) Schmitt trigger input with internal pull-down, 5V tolerant.
2. Block diagram
USB packet
data
D+
FIFO
WRCLK
D-
USB I/F
VBUS
DGNDU
MCLK
VDDC
USB clock
SPACT
DGNDC
generator
Crystal OSC
XTI XTO
IN Crystal Oscillator Input.
- Digital Power Supply for Clock Generator, +3.3V.
- Digital Ground for Clock Generator.
- Digital Power Supply, +3.3V.
- Digital Ground.
USB Differential Input/Output Plus.
USB Differential Input/Output Minus.
IN USB Bus Power (This pin NEVER consumes the USB bus power).
- Digital Ground for USB Transceiver.
Playback flag, active LOW. (LOW: playback, HIGH: idle).
Suspend flag, active LOW. (LOW: suspend, HIGH: operational).
Zero flag, (LOW: Normal, HIGH: ZERO).
IN Test pin 3. Connect to digital ground.
IN Test pin 2. Connect to digital ground.
IN Test pin 1. Connect to digital ground.
IN Test pin 0. Connect to digital ground.
- Analog Supply for R-channel, +5V.
- Analog Ground for R-channel.
Analog Output for R-channel.
- Analog Ground.
- Common for DAC.
- Analog Supply, +5V.
Analog output for L-channel.
- Analog Ground for L-channel.
- Analog Supply for L-channel, +5V.
- Analog Ground for PLL.
- Analog Supply for PLL, +5V.
Crystal Oscillator Output.
audio
data
8x
Multi-level
Oversampling
Delta-Sigma
Digital Filter
Modulator
RDCLK
System Clock
Audio clock
generator
VDDP DGNDP
Function
RX-8012VSL/RX-8010VBK
Low-pass
DAC
Filter
Low-pass
DAC
Filter
Power supply
VCC AGND VDD DGND
(1)
(2)
(2)
(2)
(2)
(2)
VOUTL
VCOM
VOUTR
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