Description Of Major Ics; Rx-Dv3Sl - JVC RX-DV3SL Service Manual

RX-DV3SL

Description of major ICs

AK4527BVQP (IC601) : A/D,D/A converter
1. Pin layout
2. Pin function (1/2)
No. Symbol
I/O
1 SDOS
2 OSKS
3 MIS
4 BICK
5 LRCK
I/O
6 SDTI1
7 SDTI2
8
SDTI3
9
SDTO
10
D,AUX
11
DFS
12
DEMI
13 DEMO
14 MCKO
15 DVDD
16 DVSS
17 PD
18 XTS
1-16
1
2
3
4
5
6
7
Top View
8
9
10
11
Function
I SDTO Source Select Pin (Note 1)
"L" : Internal ADC output, "H" : DAUX input
I Control Mode Select Pin
"L" : 3-wire Serial, "H" : I
- Soft Mute Pin (Note 1), Connect to GND
When this pin goes to "H", soft mute cycle is initialized.
When returning to "L", the output mute releases.
I Audio Serial Data Clock Pin
Input Channel Clock Pin
I DAC1 Audio Serial Data Input Pin
I DAC2 Audio Serial Data Input Pin
I DAC3 Audio Serial Data Input Pin
O Audio Serial Data Output Pin
- Sub Audio Serial Data Input Pin, Connect to GND
- Double Speed Sampling Mode Pin (Note 1)
"L" : Normal Speed, "H" : Double Speed
- Connect to GND
No internal bonding.
- Zero Input Detect Enable Pin, Connect to GND
"L" : mode 7 (disable) at parallel mode,
- zero detect mode is selectable by DZFM2-0 bits at serial mode.
- "H" : mode 0 (DZF is AND of all six channels)
- Output Buffer Power supply Pin, 2.7V~5.5V
I Digital Power Supply Pin, 4.5V~5.5V
-
De-emphasis Pin, 0V
I
Power-Down & Reset Pin
When "L", the AK4527B is powered-down and the control registers are reset to default
state. If the state of P/S or CAD0-1 changes, then the AK4527B must be reset by PDN.
-
Test Pin, Connect to GND
This pin should be connected to DVSS.
33
32
31
30
29
28
27
26
25
24
23
C Bus
2