Pioneer dvr-3100-s Service Manual page 125

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QQ LA73026AV (SCRB ASSY : IC101)
3 7 63 1515 0
• Dual SCART Interface IC
Pin Function
No.
1 AIN1R
2 AIN1L
10 AIN2R
11 AIN2L
AIN3R
15
AIN3L
16
AIN4L
33
AIN4R
34
AIN5L
36
AIN5R
37
3
EXTCTL1
4
EXTCTL2
19
EXTCTL3
35
EXTCTL4
5 VOUT
6 GND
17 GND
27 EXT-75ΩDR-GND
32 DEC-75Ω-GND
38 GND
7 VIN1
13 VIN2
18 VIN3
23 VIN4
28 VIN5
8 PWRSAV
TE
L 13942296513
9 AUMUTE
12 REFFIL
14 VCC12
20 FSSOUT
21 DATA
22 CLOCK
24 VCC5A
25 VOUT75A
26 VOUT75B
29 VCC5B
30 AOUT2L
31 AOUT2R
42 AOUT3L
43 AOUT3R
39 AOUT1L
40 AOUT1R
41 PWRMUTE1
44 PWRMUTE2
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DC Voltage
Pin Name
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
0.05V Control terminal for audio mute
OPEN : L
4.94V Terminal for Ref_DC ripple removing
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
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Function
Q Q
3 6 7 1 3
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DVR-3100-S
6
7
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
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