Mda Schematic Diagram - JVC GR-DVP7U Service Manual

4.4

MDA SCHEMATIC DIAGRAM

0 1 MAIN (MDA)
TO SERVO
LD_REV
LD_FWD
TL1612
DRUM_BRK
MDA_PS
5
CAP_RVS
CAP_BRK
CAP_REF
CAP_FG
DRUM_REF
DRUM_PG
DRUM_FG
LD_ON TL1601
DRUM_ERR
UNREG
4
TO REGCON
C1601
CN102
0.01
3
LOAD_FWD
LOAD_REV
D1602
DAP222-X
TO REGCON
CN104
MECHA
D_FG[-]
2 D_PG[-]
D_PFG[+]
COIL_COM
D_COIL_U
D_COIL_V
D_COIL_W
C1645
TO SERVO
GND
1
∗
NOTE : The parts with marked ( ) is not used.
A B
TL1622
TL1621
TL1613
R1630 0
R1631 0
TL1607
TL1606
C1607
0.047 R1620 10K
T
TL1610
R1602 120k
C1603 10 /6.3
R1601 680
D.PG-
D.FGPG+
D.FG-
R1603 C1606
C1605
4.7K D.FGOUT
0.1 0.0015
D.FGSOUT
R1604 100k
D.VS
GND1
D.UIN
D.VIN
D.WIN
D.COM
C1627 0.0082
D.SL
R1624 12K
D.ISET
L.REF
D.UNREG
D.VM
C1641
0.47
TL1614
C1644 C1643
∗ ∗ ∗
SIZE=1005
C D
NOTES : For the destination of each signal and further line connections that are cut off from
this diagram , refer to "4.1 BOARD INTERCONNECTIONS".
When ordering parts , be sure to order according to the Part Number indicated in the Parts List.
TL1620
TL1617
TL1618
TL1619
TL1605
SIZE=1005
C.PCI
C1623 0.047
C.PCV
C1622 0.022
C.VS
VCC
C.FG+
C.FG-
C.FGOUT
IC1601
C.FGSOUT
BD6631KV
C.HU+
C1618 0.0022
C.HU-
C.HV+
C1619 0.0022
C.HV-
C.HW+
C1620 0.0022
C.HW-
C.UNREG
C.VM
T
D1603
DAP222-X
Q1601
R1635
UMC3N-W
4.7K
R1637
150K
R1636 C1633
10K 0.47
E
4-9 4-10
D1604
R1622
DAP222-X
10K
TL1602
TL1603
C1642 C1632
∗
10 /6.3
T
TL1604
R1613 1K
C1621
1
R1612 100K
TL1608
R1701
R1709 82K
10K
IC1701
+ +
TA75W01FU-X
+ +
R1707 10K
R1706 82K
IC1702
TA75W393FU-X
F
TO SERVO
GND
REG_3V
CAP_ERR
CAP_PWR
M_REG4.8
DRUM_PWR
TO REGCON
CN105
C_FG[+]
C_FG[-]
C_COIL_U
C_COIL_V
C_COIL_W
HG_U[+]
HG_U[-]
HG_V[+]
HG_V[-]
HG_W[+]
HG_W[-]
R1611 470
HG_BS[+]
HG_BS[-]
R1610 470
TO SERVO
S_REEL
T_REEL
TO REGCON
CN106
T_RL[+]
T_RL[-]
S_RL[+]
S_RL[-]
y20185001a_rev0
G H