2008 INFINITI QX56 Factory Service Manual

Page 257 of 4083

INFINITI QX56 2008  Factory Service Manual AV-76
< COMPONENT DIAGNOSIS >[AUDIO SYSTEM]
RGB SYNCHRONIZING SIGNAL CIRCUIT
RGB SYNCHRONIZING SIGNAL CIRCUIT
DescriptionINFOID:0000000001696113
Transmit the RGB synchronizing signal to the display un

Page 258 of 4083

INFINITI QX56 2008  Factory Service Manual AV
RGB AREA (YS) SIGNAL CIRCUITAV-77
< COMPONENT DIAGNOSIS > [AUDIO SYSTEM]
C
D
E
F
G H
I
J
K L
M B A
O P
RGB AREA (YS) SI GNAL CIRCUIT
DescriptionINFOID:0000000001696115
Transmits the display area of

Page 259 of 4083

INFINITI QX56 2008  Factory Service Manual AV-78
< COMPONENT DIAGNOSIS >[AUDIO SYSTEM]
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
DescriptionINFOID:0000000001696117
In composite image (AUX image,

Page 260 of 4083

INFINITI QX56 2008  Factory Service Manual AV
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUITAV-79
< COMPONENT DIAGNOSIS > [AUDIO SYSTEM]
C
D
E
F
G H
I
J
K L
M B A
O P
VERTICAL SYNCHRONIZING  (VP) SIGNAL CIRCUIT
DescriptionINFOID:0000000001696119
I

Page 261 of 4083

INFINITI QX56 2008  Factory Service Manual AV-80
< COMPONENT DIAGNOSIS >[AUDIO SYSTEM]
FRONT DOOR SPEAKER
FRONT DOOR SPEAKER
DescriptionINFOID:0000000001696121
The AV control unit sends audio signals to the BOSE s
peaker amp. The BOSE speaker

Page 262 of 4083

INFINITI QX56 2008  Factory Service Manual AV
FRONT DOOR SPEAKERAV-81
< COMPONENT DIAGNOSIS > [AUDIO SYSTEM]
C
D
E
F
G H
I
J
K L
M B A
O P
1. Connect BOSE speaker amp. connector M112 and suspect speaker connector.
2. Turn ignition switch to AC

Page 263 of 4083

INFINITI QX56 2008  Factory Service Manual AV-82
< COMPONENT DIAGNOSIS >[AUDIO SYSTEM]
FRONT DOOR SPEAKER
1. Connect AV control unit connector and BOSE speaker amp.
connector.
2. Turn ignition switch ACC.
3. Push “POWER” switch.
4. Check t

Page 264 of 4083

INFINITI QX56 2008  Factory Service Manual AV
FRONT TWEETERAV-83
< COMPONENT DIAGNOSIS > [AUDIO SYSTEM]
C
D
E
F
G H
I
J
K L
M B A
O P
FRONT TWEETER
DescriptionINFOID:0000000001696123
The AV control unit sends audio signals to the BOSE s peaker