Denon DCD-A100, Service Manual

Page: 72 / 127

72
BD7956FS Terminal Function
Pin No. Symbol Description
1 LDO- Loading driver negative output
2 LDO+ Loading driver positive output
3 VCC BTL block pre-loading power supply
4 ACTIN1 Actuator driver 1 input
5 ACTIN2 Actuator driver 2 input
6 TJMON Chip temperature monitor terminal
7 BTHC Connection with capacitor for bottom hold
8 SPVM_S Spindle driver power supply
9 PGND1 Spindle driver power ground 1
10 PGND2 Spindle driver power ground 2
11 U Spindle driver output U
12 SPVM1 Spindle driver power supply 1
13 V Spindle driver output V
14 fin fin
15 PGND3 Spindle driver power ground 3
16 W Spindle driver output W
17 SPVM2 Spindle driver power supply 2
18 SPRNF Spindle driver current sense
19 HB Hall bias
20 HU+ Hall amp.U positive input
21 HU- Hall amp.U negative input
22 HV+ Hall amp.V positive input
23 HV- Hall amp.V negative input
24 HW+ Hall amp.W positive input
25 HW- Hall amp.W negative input
26 SPIN Spindle driver control input
27 DGND PWM block pre-ground
28 DVCC PWM block control power supply
29 SLIN1 Sled driver 1 input
30 SLIN2 Sled driver 2 input
31 SLVDD Sled driver MOS pre power supply
32 SLRNF1 Sled driver 1 current sense
33 SLRNF2 Sled driver 2 current sense
34 CTL1 Driver logic control input 1
35 CTL2 Driver logic control input 2
36 SLGND Sled driver power ground
37 SLO2- Sled driver 2 negative output
38 SLO2+ Sled driver 2 positive output
39 SLO1- Sled driver 1 negative output
40 SLO1+ Sled driver 1 positive output
41 fin fin
42 VC Reference voltage input
43 FG Frequency generator output
44 SPCNF Spindle driver filter terminal
45 AGND BTL block power ground
46 LDIN Loading driver input
47 ACTIN3 Actuator driver 3 input
48 AVM Actuator driver power supply
49 ACO3- Actuator driver 3 positive output
50 ACO3+ Actuator driver 3 negative output
51 ACO2- Actuator driver 2 positive output
52 ACO2+ Actuator driver 2 negative output
53 ACO1- Actuator driver 1 positive output
54 ACO1+ Actuator driver 1 negative output