Pioneer DVL-909 Service Guide - Page 28

Ba6195fp Dvdm Assy : Ic161

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DV-505, DVL-909, DV-S9 BA6195FP (DVDM ASSY : IC161) • Spindle Driver • Block Diagram OPIN- OPIN+ NC MUTE NC GND GND NC VCC NC NC NC 25 24 23 22 21 20 NC NC Driver mute GND 10K NC NC 1 2 3 4 5 6 TSD 10K 19 18 17 16 15 14 NC NC NC NC GND VCC IN Level shift 10K 10K 10K 10K NC NC NC NC NC 7 89 10 11 12 13 OPOUT NC NC BIAS DRIN' DRIN NC NC NC NC NC DROUT- DROUT+ • Pin Function No. Pin Name 1 OPOUT 2 N.C. 3 N.C. 4 BIAS 5 DRIN' 6 DRIN 7 N.C. 8 N.C. 9 N.C. 10 N.C. 11 N.C. 12 DROUT - 13 DROUT + Function OP amp. output pin Non Connection Bias pin Driver gain adjustment pin Driver gain input pin Non Connection Driver negative output pin (for input) Driver positive output pin (for input) No. Pin Name 14 N.C. 15 N.C. 16 N.C. 17 VCC 18 N.C. 19 GND 20 GND 21 N.C. 22 MUTE 23 N.C. 24 OPIN + Function Non Connection Power supply pin Non Connection Sub-strait GND pin Non Connection Mute pin Non Connection OP amp. non-inverting input pin 25 OPIN - OP amp. inverting input pin 28

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28
DV-505, DVL-909, DV-S9
BA6195FP (DVDM ASSY : IC161)
• Spindle Driver
•
Block Diagram
13
25
24
23
22
21
20
19
18
17
16
15
14
V
CC
12
11
10
9
8
7
6
5
4
3
2
1
10K
10K
IN
10K
10K
10K
DROUT+
NC
OPIN–
OPOUT
DROUT–
NC
OPIN+
NC
NC
NC
V
CC
NC
NC
NC
MUTE
BIAS
NC
GND
NC
DRIN'
DRIN
NC
NC
GND
Level shift
Driver mute
NC
10K
GND
GND
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
TSD
•
Pin Function
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