Pioneer DVR-520H-S Service Manual page 118

1
LA73026AV (JCKB ASSY : IC501)
• Dual SCART Interface IC
Pin Function
A
No. Pin Name
AIN1R
1
AIN1L
2
AIN2R
10
11 AIN2L
AIN3R
15
AIN3L
16
AIN4L
33
34 AIN4R
AIN5L
36
AIN5R
37
3
EXTCTL1
B
4 EXTCTL2
19
EXTCTL3
35
EXTCTL4
5 VOUT
6 GND
17 GND
27 EXT-75ΩDR-GND
32 DEC-75Ω-GND
38 GND
7 VIN1
C 13
VIN2
18 VIN3
23 VIN4
28 VIN5
8 PWRSAV
9 AUMUTE
12 REFFIL
14 VCC12
20 FSSOUT
D
21 DATA
22 CLOCK
24 VCC5A
25 VOUT75A
26 VOUT75B
29 VCC5B
30 AOUT2L
31 AOUT2R
42 AOUT3L
43 AOUT3R
E
39 AOUT1L
40 AOUT1R
41 PWRMUTE1
44 PWRMUTE2
F
118
1
2
DC Voltage
5.58V
Audio input terminal
2.5mA, ON
General purpose output
→0.75V
Opencollector
OFF
→OPEN
1.10V Video output terminal
Push-pull output/Low-impedance
0V
1.8V Video input terminal
Sync-tip clamp
Input/Hi-impedance
0.2V Power save mode select pin
OPEN : L
Control terminal for audio mute
0.05V
OPEN : L
Terminal for Ref_DC ripple removing
4.94V
Vcc for audio
H : Vcc-0.5V
FSS control terminal
M : 6V
Output H, M, L
L : 0V
3 values with serial control
Confirmed to IIC BUS. Data input terminal
Confirmed to IIC BUS. Clock input terminal
Control Vcc for Video
1.10V Video driver output terminal
Push-pull output/Low-impedance
Always VCC for Video
4.91V
Audio output terminal
Push-pull output/Low-impedance
Audio output terminal
4.91V
Push-pull output/Low-impedance
Output terminal of audio muting
0V
DVR-520H-S
2
3
Function
3
4
4