JVC GR-D750UC Service Manual page 19

4.2 JIG CONNECTOR CABLE CONNECTION
4.2.1 CAUTIONS
(1) Only 9 of 30pins of JIG CONNECTOR CABLE(PN:YTU93106B)
are extended with wires. Additional 2pins (13 and 28) need
to be soldered and extended with the wires for adjustment
and checking.
See Fig. 4-2-1 for details.
<COMPONENT SIDE>
29pin AL_2.8VSYS
28pin IF_RX
26pin HID
23pin -
22pin -
<FOIL SIDE>
13
Fig.4-2-1
28
13pin IF_TX
12pin ENV_OUT
10pin GND
9pin GND
8pin CVF-G
5pin NC
: ADDITIONAL WIRE
Connection procedure
Remove the screw (1-4), and remove the CASS.COVER.
CASS.COVER
GUIDE ROLLER (SUP)
CONVERSION
CONNECTOR
JIG CONNECTOR
CABLE
COMMUNICATION
CABLE
JIG CONNECTOR
COMMUNICATION
CABLE
BLUE
TO AL_2.8VSYS
RED
TO IF_RX
WHITE
TO IF_TX
BLACK
TO GND
Fig.4-2-2
GUIDE ROLLER (TU)
JIG CONNECTOR
COVER(JIG CON)
SERVICE SUPPORT SYSTEM
RS232C
COM PORT
MENU
PC CABLE
PERSONAL COMPUTER
JIG CONNECTOR OSCILLOSCOPE
TO ENV_OUT
TO HID
(No.YF173)1-19