Circuit Operating Description
6-20
Samsung Electronics
DSP
ICP01 MB87L1551PMT2
Capstan FG shaper
IC502 LB11990W
Pre-amp
PWM
driver
IC901
TL1466
Power
driver
Q906
CHP6701
L.P
.F
L911
C913
Motor
driver
IC502
LB11990W
Power
driver
Q907
CHP6701
Motor
driver
IC502
LB11990W
Drum
motor
109
58
12
112
117
111
35
36
69
67
102
119
28
103
93
57
10
4
60
Drum PG/FG shaper
IC502 LB11990W
DRUM
PWM
39KHz
39KHz
L.P
.F
R533,534,
535,553
C530,531,
532
PWM
driver
IC901
TL1466
L.P
.F
RP17,20
CP48,49
L.P
.F
L912
C914
Capstan
motor
L.P
.F
R536,537,
538,554
C533,534,
535
Drum
Capstan
64
44
15
Envelope
Rec C.A
TF
IC601
MICOM
DRUM PG
DRUM FG
CAPST
AN
PWM
C.FG COUNTER
CAPST
AN FG
ENVE. DETECT
TBC COUNTER
450KHz approx.
450KHz approx.
2.0~2.3V approx.
in rec mode
3 phase output
(U,V
,W)
1.2~1.8V approx.
in play mode
3 phase output
(U,V
,W)
Fig. 6-17 Toal block diagram
Summary of Contents for VP-L900
Page 5: ...Product Specification 2 2 MEMO ...
Page 51: ...4 18 Disassembly and Reassembly Samsung Electronics MEMO ...
Page 79: ...5 28 Alignment and Adjustments Samsung Electronics MEMO ...
Page 109: ...Circuit Operating Description 6 30 Samsung Electronics MEMO ...
Page 124: ...Deck Operating Description Samsung Electronics 7 15 Fig 7 14 ...
Page 126: ...Deck Operating Description Samsung Electronics 7 17 Fig 7 16 ...
Page 128: ...Deck Operating Description Samsung Electronics 7 19 Fig 7 17 ...
Page 130: ...Deck Operating Description Samsung Electronics 7 21 Fig 7 18 ...
Page 132: ...Deck Operating Description Samsung Electronics 7 23 Fig 7 19 ...
Page 134: ...Deck Operating Description Samsung Electronics 7 25 Fig 7 20 ...
Page 136: ...Deck Operating Description Samsung Electronics 7 27 Fig 7 21 ...
Page 138: ...Deck Operating Description Samsung Electronics 7 29 Fig 7 22 ...
Page 139: ...Deck Operating Description 7 30 Samsung Electronics MEMO ...
Page 142: ...Samsung Electronics 10 1 10 Wiring Diagram ...
Page 143: ...Wiring Diagram 10 2 Samsung Electronics MEMO ...
Page 145: ...PCB Diagrams 11 2 Samsung Electronics COMPONENT SIDE 11 1 Main PCB ...
Page 146: ...PCB Diagrams Samsung Electronics 11 3 CONDUCTOR SIDE ...
Page 149: ...PCB Diagrams 11 6 Samsung Electronics 11 6 Front PCB 11 7 Function PCB ...