Sony PCV-RX640 Service Manual page 26

I/O header
20 pin standard 2.5mm dual line header for LED/Switch unit
Connector location on MB See the frame harness diagram
Pin assignments:
Pin Signal Name Pin
1 PWR_BTN 11
2 PWR_BTN_G 12
3 IDELED- 13
4 IDELED+ 14
5 KEY 15
6 PWR_LEDL+ 16
7 PWR_LED- 17
8 PWR_LEDB+ 18
9 RESET 19
10 RESET G (GND) 20
Battery Holder
Holder location on MB See the frame harness diagram
CPU thermal measurement header
This header is used for CPU thermal measurement.
This signal also routed to Super I/O for thermal monitoring.
2pin standard 2mm single line header for CPU thermal measurement
Connector location on MB See the frame harness diagram
Pin assignments:
Pin Signal Name
1 CPUTMPIN
2 GND
Memory Stick interface header
8pin standard 2mm dual line header for Memory Stick interface.
Pin assignments:
Pin Signal Name
1 MS_LED
2 MSPIN2
3 SONYMSP
4 MSPIN4
5 MS_INS
6 GND
7 MSPIN7
8 GND
2-2 External connector
Parallel
Connector location on MB Rear side, See the frame harness diagram
IEEE1394 Rear connector
6 pin standard IEEE1394 Rear connector.
Connector location on MB See the frame harness diagram
Pin assignments:
Pin Signal Name
1 VP (Power)
2 Ground
3 TPB*
4 TPB
5 TPA*
6 TPA
VP line need over current protector.
Raychem SMD150/33-2 or equivalent is used for that.
PS2 Keyboard /Mouse
Connector location on MB Rear side, See the frame harness diagram
PS2VCC line needs the over current protector. Raychem miniSMDC110-2 or equivalent is
used for that.
Signal Name
MSG_LED+
MSG_LED-
KEYLOCK
KEYLOCK_G
SMI
SMI_G
+5V
HD_LED2-
Ground
SPKR
USB/LAN
One USB connectors for external USB devices (Support the stacked connector)
One 10/100Base-T connector
Connector location on MB
Pin assignments:
Pin Signal Name
1 ACTLEDP
2 ACTLEDN
3 LILEDP
4 LILEDN
5 TXPCON
6 TXNCON
7 RXPCON
8 LANP5
9 LANP5
10 RXNCON
USBVCC1 lines need the over current protector.
Raychem miniSMDC110-2 or equivalent is used for that.
COM1 Port/Line Out/Line In/Microphone Jack
Connector location on MB
2-3 Jumper Header
CMOS Clear
Clear the RTC data
Connector location on MB
Jumper header
1 2 3
Combination of jumper caps:
CMOSCLR
1-2 Clear
2-3 Normal
5-5
See the frame harness diagram
Pin Signal Name
11 LANP8
12 LANP8
13 USBVCC1
14 USBP1-
15 UCBP1+
16 GND
17 NC
18 NC
19 NC
20 NC
Rear side, See the frame harness diagram
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Confidential
PCV-RX6__Series (AM)