Read Sharp DV-NC55 (serv.man11) Service Manual online
59
DV-NC55S/H
DV-NC60H
DV-NC60H
• Block Diagram
P1TP
P1TN
LDO1
MDI1
EQF
EQB
VrA
RFDC
TCC1
GND2
NC
NC
Vcc2
DPDB
FEB
TEB
RFS
VccR
RFOp
RFOn
RPP
RPB
RPO
RPZ
NC
VccS
DFTN
FEO
TEO
LVL
VccP
VCKF
P1FN
P1FP
LDP1
P1DI
P1CI
P1BI
P1AI
GNDR
LDP2
P2AI
P2BI
P2CI
P2DI
GNDS
P2FP
P2FN
GND
P2TP
P2TN
LDO2
MDI2
V
rD
V
rfil
V
dd
DPAC
DPBD
DPD1
DPD2
SCB
SCL
SCD
V
RCK
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Time
constant
adjustment
RF Ripple
creation
Output
Amp
T-gain
Adjust
Adjust
sel-PD
sel-PD
sel-PD
Level
detect
F-gain
Adjust
Adjust
mode-IC
R-gain
Adjust
3Beam-TE
creation
DPD-TE
creation
FE creation
EQ
APC1
APC2
Vref
BUS
sel-RF
sel-FE
sel-TE
sel-DPD
sel-LVL
mode-TE
F-gain
Adjust
Adjust
DPDB
TEB
FEB
TEB
TCC1
VrA
tcc1 (BUS)
TE-gain
Adjust
FE-gain
Adjust
DC
FB
Pin No. Terminal name
I/O
Operation function
Terminal DC Voltage(TYP.)
Remarks
44
EQF
I
Frequency adjustment
VrD
When EQF is raised, shift to the
high frequency side occurs.
Adjusting range: GND - Vdd
high frequency side occurs.
Adjusting range: GND - Vdd
45
MDI1
I
Monitor input 1
–
46
LDO1
O
Drive output 1
–
47
P1TN
I
TE–input (DVD)
VrA
48
P1TP
I
TE+input (DVD)
VrA
49
P1FN
I
FE–input (DVD)
VrA
50
P1FP
I
FE+input (DVD)
VrA
51
LDP1
I
APC polarity 1
–
Positive polarity when this terminal
is connected to Vcc.
is connected to Vcc.
52
P1DI
I
D input (DVD)
VrA
53
P1CI
I
C input (DVD)
VrA
54
P1BI
I
B input (DVD)
VrA
55
P1AI
I
A input (DVD)
VrA
56
GNDR
–
GND terminal (RF)
–
57
LDP2
I
APC polarity 2
–
Positive polarity when this terminal
is connected to Vcc.
is connected to Vcc.
58
P2AI
I
A input (CD)
VrA
59
P2BI
I
B input (CD)
VrA
60
P2CI
I
C input (CD)
VrA
61
P2DI
I
D input (CD)
VrA
62
GNDS
–
GND terminal (Servo)
–
63
P2FP
I
FE+input (CD)
VrA
64
P2FN
I
FE–input (CD)
VrA
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