Pioneer DVR-233-S Service Manual page 70

1
Pin Function
No. Pin Name
1 VCC1 5V VCC
A
2 COMPOSITE IN Input Composite
3 SQUEESE SW Selecting squeese mode
4 LETTER BOX SW Selecting letter-box mode
5 MUTE SW 1 Composite siganal MUTE_SELECTION
6 C IN Input chroma signal
7 GND11 GND
8 Y IN 1 Input Y signal
9 YC MIX SW Selecting of doing Y/C MIX or not
10 SIGNAL IN SW Selecting of a kind of signal
B
11 Y IN 2 Input Component Y or Baseband signal
12 MUTE SW 2 Component signal MUTE_SELECTION
13 LPF SW Selecting of kind of Component LPF
14 CB IN Input Component CB or Baseband signal
15 AMP SW 2 Selecting Amp gain for Component signal
16 CR IN Input Component CR or Baseband signal
17 GND12 GND
18 REG Condenser terminal for regulator
19 DRIVE SW 2 2 drive/1 drive Select for Component signal
C
20 GND26 GND
21 CR OUT 75Ω driver Output of Pin 16 input
22 GND25 GND
23 CB OUT 75Ω driver Output of Pin 14 input
24 VCC22 5V VCC
25 Y OUT 2 75Ω driver Output of Pin 11 input
26 GND24 GND
27 GND23 GND
28 Y OUT 1 75Ω driver Output of Pin 8 input
D
29 GND22 GND
30 C DC OUT DC voltage output for S1, S2
75Ω driver Output of Pin 6 input
31 C OUT
32 GND21 GND
33 COMPOSITE OUT 75Ω driver Output of Pin 2 input
34 VCC21 5V VCC
35 DRIVE SW 1 2 drive/1 drive Select for Composite/S signal
36 AMP SW 1 Selecting Amp gain for Composite/S signal
E
F
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2
Function
DVR-231-S
2
3
3
4
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