Stand By - JVC KW-XC777 Service Manual

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FAN8037 (IC661) : CD driver
1. Pin layout & Block diagram
1
2
3
4
5
6
7
8
9
10
11
12
2. Pin function
Pin
Symbol I/O
TE No.
L 13942296513
1 IN2+ I CH2 op-amp input(+)
2 IN2- I CH2 op-amp input(-)
3 OUT2 O CH2 op-amp output
4 IN3+ I CH3 op-amp input(+)
5 IN3- I Ch3 op-amp input(-)
6 OUT3 O CH3 op-amp output
7 IN4+ I CH4 op-amp input(+)
8 IN4- I CH4 op-amp input(-)
9 OUT4 O CH4 op-amp output(+)
10 CTL1 I CH5 motor speed control
11 FWD1 I CH5 forward input
12 REV1 I CH5 reverse input
13 CTL2 I CH6 motor speed control
14 FWD2 I CH6 forward input
15 REV2 I CH6 reverse input
16 SGND - Signal ground
17 FWD3 I CH7 forward input
18 REV3 I CH7 reverse input
19 CTL3 I CH7 motor speed control
20 SB I

Stand by

21 PS I Power save
22 MUTE I All mute
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23 PVCC2 - Power supply voltage
24 DO7- O CH7 drive output(-)
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48 47 46 45 44 43
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M
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13 14 15 16 17 18
Function
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8
42 41 40 39 38 37
36
35
34
33
32
31
30
D
29
D
28
D
D
27
D
26
D
STAND BY
T.S.D
25
ALL MUTE
POWER SAVE
19 20 21 22 23 24
Pin
Symbol I/O
Q Q
No.
3 6 7 1 3
25 DO7+ O CH7 drive output(+)
26 DO6- O CH6 drive output(-)
27 DO6+ O CH6 drive output(+)
28 PGND2 - Power ground2
29 DO5- O CH5 drive output(-)
30 DO5+ O CH5 drive output(+)
31 DO4- O CH4 drive output(-)
32 DO4+ O CH4 drive output(+)
33 DO3- O CH3 drive output(-)
34 DO3+ O CH3 drive output(+)
35 PGND1 - Power ground1
36 DO2- O CH2 drive output(-)
37 DO2+ O CH2 drive output(+)
38 DO1- O CH1 drive output(-)
39 DO1+ O CH1 drive output(+)
40 PVCC1 - Power supply voltage
41 REGOX I Regulator feedback input
42 REGX O Regulator output
43 RESX I Regulator reset input
44 VREF I Bias voltage input
45 SVCC - Signal supply voltage
46 IN1+ I CH1 op-amp input(+)
47 IN1- I CH1 op-amp input(-)
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48 OUT1 O CH1 op-amp output
.
2 9 9 4 2 8
Function
1 5 0 5 8 2 9 9 4
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co
KW-XC777
9 9
2 8 9 9
1-41