Service manual
DV-L70S
DV-L70BL
DV-L70W
46
Pin No.
I/O Terminal name Operation function Remarks
2 O BLK Blanking signal output H ... OSD display
3 L ... Blank (television image)
5 I HSYNC Horizontal synch signal input Negative polarity input
6 I VSYNC Vertical sync signal inputNegative polarity input
7 I SCLK Serial clock input/output Clock input during serial communication
with DVD microcomputer
8 O SOUT Serial data output Data output during serial communication
with DVD microcomputer
9 I SIN Serial data input Data input during serial communication
with DVD microcomputer
10 I SYNC Composite sync signal input
Used for sync judgment in the search mode.
11 I PLLD TVPLL lock signal input* Used to judge whether TVPLL is locked in
the receiving frequency or not.
H ... Unlocked state
L ... Locked state
12 O PLCS TVPLL load EN output* H ... During data transmission to TVPLL
L ... When data is not transmitted.
13 O PCLK Clock output for inner communication
Serial clock output to E
2
PROM/TVPLL*/DAC
14 O POUT Data output for inner communication
Serial data output to E
2
PROM/TVPLL*/DAC
15 I SAFE Fixed at “H”.
16 O RGB Fixed at “L”.
17 O MRDY READY output READY signal output during serial
communication with DVD
H ... Command reception disable (BUSY state)
L ... Command reception enable (READY state)
18 O POW Power on/off control DC/DC power control
H ... Power ON
L ... Power OFF (stand-by)
19 I PIN Data output for inner communication Serial data input to E
2
PROM
20 O K3 Not used.
22 O K2 Key matrix output2
23
25 O K1 Key matrix output1
26 O K0 Key matrix output0
27 I S3 Key matrix input3 Key matrix input
28 I S2 Key matrix input2
29 I S1 Key matrix input1
30 I S0 Key matrix input0
31 I ST/MT Input for US setting H ... US, L ... Japan
34 O MONO Not used.
36 O S AD input for battery monitor
39 O M Power button input H ... Po wer ON
L ... Power OFF
35 I AFT AFT voltage input* Tuner AFT voltage input
37 I AGC AGC voltage input* Tuner AGC voltage input
38 I VOL Sound volume AD input Sound VOL input
40 I R/C Remote control input Infrared remote control input
42 O MODW Panel selection input(1)
43
44 MODN Panel selection input(2)
45 O VSW Not used.
46 O MIRST DVD microcomputer reset output H ... Normal, L ... Reset
47 O DVD P DVD circuit power control H ... ON, L ... OFF
48 O LCDSW Liquid crystal panel open/close interrupt H ... OPEN, L ... CLOSE
49 O LCDH Liquid crystal system circuit power control H ... ON, L ... OFF
MODW MODN Display mode
H H Full-screen mode
H L Wide mode
L H Normal mode
L L Cinema mode