JVC RX-7000RBK Service Manual page 12

RX-7000RBK
3.Pin function (2/2)
No. Pin Name
33 VREFL
34 VCOM
VREFH
35
36 AVDD
37 AVSS
38 XTI
39 XTO
MCKI
40 P/S
41 DIF0
CS
42 DIF1
CCLK
43 LOOP0
CDTI
44 LOOP1
CDTO
BA7625 (IC242,IC201) / BA7626 (IC241): Video selector
MONITOR OUT 1
GND 2
IN5
3
GND
4
IN4 5
CTL E
6
IN3 7
CTL D
8
1-12
I/O Function
I
Negative voltage reference Input pin, AVSS
O
Common voltage output pin,AVDD/2
Large external capacitor around 2.2uF is used to reduce power-supply noise
I Positive voltage reference input pin,AVDD
- Analog power supply pin
- Analog ground pin
I X'tal input pin
O
X'tal output pin if XTS="H"
I
External master clock input pin if XTS="L"
I
Parallel/Serial select pin
"L" : Serial control mode, "H" : Parallel control mode
I
Audio data interface format pin in parallel mode
I Chip select pin in serial mode
I Audio data interface format pin in parallel mode
I Control data clock pin in serial mode
I
Loop back mode pin in parallel mode
Enables digital loop-back from ADC to 3 DACs.
I
Control data input pin in serial mode
I
Loop back mode pin in parallel mode
Enable all 3 DAC channels to be input from SDTII.
O Control data output pin in serial mode
16
IN1
15 CTL A
14
VOUT 1
logic
13
V
12
IN2
11 CTL B
logic
10
VOUT 2
11
CTL C
A B
L L
H L
L H
H H
H H
C D
CC L L
H L
L H
H H
H H
C D
L L
H L
L H
H H
H H
AK4527(2/2)
E MONITOR OUT
IN1
*
IN2
*
IN3
*
L IN4
H IN5
E VOUT1
--
*
IN2
*
IN3
*
L IN4
H IN5
E VOUT2
IN1
*
--
*
IN3
*
L IN4
H IN5