Jig Connector Cable Connection - JVC GR-AX770U Service Manual

2.6 JIG CONNECTOR CABLE CONNECTION

Remove the cover (JIG).
Jig connector cable
JIG CONNECTOR
to 10 pin
( RXD )
to 28 pin
( TXD )
to 4/5/6/8 pin
( GND )
MAIN BOARD CN25
DIAL_MN 1
CVF_B 16
BWVFADJ 2
CVF_G 17
VF_RPD 3
CVF_R 18
GND 4
PLI_AD 19
GND
5
NC 20
GND
6
VPP_7.8V 21
JIGCN_SW
7
DISCHG_L 22
GND
8
MCU_RST 23
TCCS_TXD
9
V_FF 24
RXD
10
V_TP_FM 25
V_OUT
11
V_OVL 26
AO_SIG_J
12
PB_CTL 27
AL_3.2V
13
TXD 28
EJECT_SW
14
NC
29
NC
15
NC
30
2-10
CN25
Extention connector
For supplying the power through the coupler by removing
NOTE:
the cover (for jig), use this extension connector double
for connecting the jig connector cable.
COMMUNICATION CABLE
RED
WHITE
BLACK
Fig. 2-6-1 Jig connector cable connection
Fig. 2-6-2 Jig connector cable schematic diagram
Cover(JIG)
Jig BOARD
1 DIAL_MN
16 CVF_B
2 BWVFADJ
17 CVF_G
3
VF_RPD
18 CVF_R
4
GND
19 PLI_AD
5
GND
20 NC
6 GND
21 VPP_7.8V
7 JIGCN_SW
22 DISCHG_L
8 GND
23 MCU_RST
9 TCCS_TXD
24 V_FF
10 RXD
25 V_TP_FM
11 V_OUT
26 V_OVL
12 AO_SIG_J
27 PB_CTL
13 AL_3.2V
28 TXD
14 EJECT_SW
29 NC
15 NC
NC
30