Service manual

DV-L70S
DV-L70BL
DV-L70W
22
Pin No. Terminal name I/O Operation function Terminal DC Voltage(TYP.) Remarks
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.
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
• Block Diagram
P1FN
P1FP
LDP1
P1DI
P1CI
P1BI
P1AI
GNDR
LDP2
P2AI
P2BI
P2CI
P2DI
GNDS
P2FP
P2FN
DPDB
VccR
NC
NC
RFO
RPP
RPB
RPO
RPZ
VccS
DFTN
FEO
TEO
LVL
VccP
VCKF
NC P1TP P1TN LDO1 MDI1 EQF EQB RFA RFDC GND2 EQD NC Vcc2 PSC FEB TEB
GND P2TP P2TN LDO2 MDI2 VrA VrD Vdd DPAC DPBD DPD1 DPD2 SCB SCL SCD VRCK
12345678910111213141516
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
APC1
sel-RF
R-gain
Adjust
EQ
F-gain
Adjust
F-gain
Adjust
RF Ripple
creation
FE creation
DPDTE
creation
FE-gain
Adjust
TE-gain
Adjust
Level detect
T-gain
Adjust
3BTE creation
APC2
B U S
Time
constant
adjustment
sel-PD
sel-PD
sel-PD
mode-TE
sel-FE
sel-IC
sel-TE
sel-DPD
sel-LVL
9-3. IC401 IX1484GE 4M DRAM
Terminal
Terminal name Function
10~13,16~20,9 A0~A8,A9R Address input
8 RAS Row address strobe
23 CAS Column address strobe
1~5,24~27 DQ1~DQ8 Data input/Data output
22 OE Output enable
7 WE Light enable
1, 14 Vcc Power (5V)
15, 28 Vss Ground (0V)
6, 21 NC Not connected