Pioneer DVR-520H-S, Service Manual

Page: 114 / 174

DVR-520H-S
114
1 2 3 4
1 2 3 4
C
D
F
A
B
E
No. Pin Name Signal Name I/O Function Active
41
P64/-CTS1/-RTS1/CLKS1
BUSY O Communication line for firmware download/monitor
−
42 P63/TxD0 SSTTOM O SYS controller communication line (Tuner
→
Main)
−
43 P62/RxD0 SSMTOT I SYS controller communication line (Main
→
Tuner)
−
44 P61/CLK0 SCK I SYS controller communication line (clock)
↑
45 P60/-CTS0/-RTS0 HSTTOM O Tuner
→
SYS handshake L
46 P57/-RDY/CLKout DLCONT O Voltage supply SW of FLASH-ROM writing L
47 P56/ALE WRT O Write signal H
48 P55/-HOLD SDAEEP
I/O
SDA line for EEPROM
−
49 P54/-HLDA SCLEEP O SCL line for EEPROM
−
50 P53/BCLK VOLCE O Communication line CE H
51 P52/-RD VOLDATA O Communication line DATA
−
52 P51/-WRH/-BHE VOLCLK O Communication line CLK
−
53 P50/-WRL/-WR DLCE I Signal for serial I/O mode selection
−
54 P47/-CS3 NC (O)
55 P46/-CS2 NC (O)
56 P45/-CS1 NC (O)
57 P44/-CS0 BLANK I BLANK signal input
−
58 P43/A19 XTHROU O Through control of SCART1/2 L
59 P42/A18 NC (O)
60 P41/A17 EXTRGB O
−
61 P40/A16 SWVION O Independent source SW for video I/O output circuit H
62 P37/A15 SWSTBY O Standby mode of video input selector H
63 P36/A14 NC (O)
64 P35/A13 BS15SRT I
65 P34/A12 SCTHRU O SCART loop through control during power OFF L
66 P33/A11 NC (O)
67 P32/A10 NC (O)
68 P31/A9 SDET2 I
−
−
S terminal detection of Video input 2 L
69 Vcc VCC
70 P30/A8 NC I
−
71 Vss GND
72 P27/A7 NC (O)
73 P26/A6 NC (O)
74 P25/A5 NC (O)
75 P24/A4 NC (O)
76 P23/A3 P_SAVEBS O RF through output switch H
77 P22/A2 NC O
−
78 P21/A1 NC O
−
79 P20/A0 P_CONT O System Power ON H
80 P17/D15/-INT5 NC (O)
−