Hitachi HDR081 Service Manual

SERVICE MANUAL
CONNECTORS
Power L451 Connector – P
Pin Description
1 +12V
2 GND
3 GND
4 5V
5 +3V3
6 +3V3
7 STBY
8 NC
9 NC
AV Connector – PL340
Pin De n scriptio Pin Description
1 +12V 11 C
2 GND 12 FBOUTENC
3 +5V 13 AV_INT
4 GND 14 GND
5 Red 15 LEFT AUDIO
6 Green 16 RIGHT IO AUD
7 Blue 17 GND
8 G ND 18 GND
9 CVBS 19 SDA0
10 Y 20 SCL0
Fr t Panel Conne PL609 on ctor –
Pin De n scriptio
1 +5V
2 GND
3 SENSE
4 IR_IN
5 DISP DATA
6 DISP CLK
Hard disk pow 04 er – PL4
Pin De n scriptio
1 +12VSTB
2 GND
3 GND
4 +5VSTB
H a Conne r – PL900 ard disk dat cto
Pin De n scriptio Pin De scription
1 HDDRESET 21 GND
2 GND 22 GND
3 HBUFDATA7 23 H_DIOW
4 HBUFDATA8 24 GND
5 HBUFDATA6 25 H_DIOR
6 HBUFDATA9 26 GND
7 HBUFDATA5 27 IORDY
8 HBUFDATA10 28
9 HBUFDATA4 29
10 HBUFDATA11 30 GND
11 HBUFDATA3 31 HDD-IRQ
12 HBUFDATA12 32 NC
13 HBUFDATA2 33 DA1
14 HBUFDATA13 34 GND
15 HBUFDATA1 35 DA0
16 HBUFDATA14 36 DA2
17 HBU A0 FDAT 37 HDDCS-0
18 HBUF A15 38 HDDCS-1 DAT
19 GND 39 IDE-DASP
20 NC 40 GND
Fan power – PL450
Pin Description
1 NC
2 +5V
3 GND
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Hitachi HDR081 Specifications

General

Brand	Hitachi
Model	HDR081
Category	DVR
Language	English