Pioneer PDP-R03U Service Manual page 133

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• Pin Function
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Pin No.
1 VCC1
2 RT
3 CT
4 CS3
5 CS5
6 CS4
7 CS1
8 CS2
9 VREF
10 CREF
11 VREG
12 IN2-
13 FB2
14 IN1-
15 FB1
16 IN5+
17 IN5-
18 FB5
19 IN6-
20 FB6
21 IN3+
22 IN3-
23 FB3
24 IN4+
25 IN4-
26 FB4
27 CP
28 GND
29 TLSEL
30 CNT5
31 CNT4
32 CNT2
TE
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33 CNT3
34 CNT1
35 VCC2
36 VDRV
37 PGND1
38 OUT1S
39 OUT1
40 OUT4
41 OUT3
42 OUT2S
43 OUT2
44 OUT6S
45 OUT6
46 OUT5
47 OUT5S
48 PGND2
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Pin Name I/O
— Power supply for control circuit.
— Oscillator timing resistor.
— Oscillator timing capacitor.
— Soft start for Ch.3 & Ch.4.
— Soft start for Ch.6.
— Soft start for Ch.5.
— Soft start for Ch.1
— Soft start for Ch.2.
O Reference voltage output.
O Capacitor for reference voltage output.
O Regulated for voltage output.
I Ch.2 inverting input to error amplifier.
O Ch.2 output of error amplifier.
I Ch.1 inverting input to error amplifier.
O Ch.1 output of error amplifier.
I Ch.5 non-inverting input to error amplifier.
I Ch.5 inverting input to error amplifier.
O Ch.5 output of error amplifier.
I Ch.6 inverting input to error amplifier.
O Ch.6 output of error amplifier.
I Ch.3 non-inverting input to error amplifier.
I Ch.3 inverting input to error amplifier.
O Ch.3 output of error amplifier.
I Ch.4 non-inverting input to error amplifier.
I Ch.4 inverting input to error amplifier.
O Ch.4 output of error amplifier.
I Timing capacitor for timer latch delay.
— Ground.
I Ch.3 & Ch.4 timer latch selection(Low:disable).
I Ch.6 ON/OFF function.
I Ch.5 ON/OFF function.
I Ch.2 ON/OFF function.
I Ch.3 & Ch.4 ON/OFF function.
I Ch.1 ON/OFF function.
— Power supply for output stage.
O Bias for logic circuit of output.
— Power ground.
O Ch.1 source electrode of output stage.
O Ch.1 output(for Pch-MOSFET)
O Ch.4 output(for Pch-MOSFET)
O Ch.3 output(for Pch-MOSFET)
O Ch.2 source electrode of output stage.
O Ch.2 output(for Pch-MOSFET)
O Ch.6 source electrode of output stage.
O Ch.6 output(for Pch-MOSFET)
O Ch.5 output(for Pch-MOSFET)
O Ch.5 source electrode of output stage.
— Power ground.
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Pin Function
Q Q
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PDP-R03U
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9 9
A
B
C
9 9
D
E
F
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