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JVC GZ-HM340BUS Service Manual page 35

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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_2.83V
28pin IF_RX
26pin NOT USED
23pin NOT USED
22pin NOT USED
<FOIL SIDE>
13
Fig.4-2-1
28
13pin IF_TX
12pin NOT USED
10pin GND
9pin GND
8pin NOT USED
5pin NOT USED
: ADDITIONAL WIRE
Connection procedure
·
Remove the 2 screws (1-2), and then remove the TOP COV-
ER ASSY.
NOTE1a:
Release or remove the JACK COVER ASSY as it interferes
with the disassembly of TOP COVER ASSY.
NOTE1b:
To remove the TOP COVER ASSY, press [A] indicated with
an arrow, and release the HOOK (L1a) first.
NOTE1c:
When removing the last HOOK (L1d), be careful not to de-
form or apply excess force to the parts to avoid possible
damage.
[1]
L1d
NOTE1c
NOTE1b
JIG CONN.
(MAIN CN110)
10
20
JIG CONNECTOR
JIG CONNECTOR
CABLE
or
COMMUNICATION
CABLE
JIG CONNECTOR
COMMUNICATION
CABLE
BLUE
TO AL_2.83V
RED
TO IF_RX
WHITE
TO IF_TX
BLACK
TO GND
Fig.4-2-2
L1c
L1b
L1a
[A]
1
NOTE1a
(S1)
JACK COVER
ASSY
1
11
2
(S1)
CONVERSION
CONNECTOR
SERVICE SUPPORT SYSTEM
RS232C
COM PORT
MENU
PC CABLE
PERSONAL COMPUTER
(No.YF347<Rev.001>)1-35

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