Alpine CDM-7859RB - Adjustment Procedures

CDM-7859RB/CDM-7858RB/
CDM-7856R/CDM-7856RM
Adjustment Procedures
1. FM/AM SECTION
(1) Dummy Antenna Circuit
‘ 4Oohm = 45chm—!
input
For 50 ohm FM Signa! Generator
For 50 chm AM Signal Generator
(2) Connections
Antenna Receptacle
FM Dummy
Antenna
ZSlcce| 7
FM Signa! Generator
AM Dummy
Antenna
60ohm ‘Output
Figure 1
Figure 2
AC VIVM
Unit Under Test
ss Figure 3
1 seconds Pull-Down a7
AC VTVM
AM Signal Generator Wh
(3) Contro! Settings
Power Switch oo..ccececceeccccseseeeeeeceeeeenereeeeies ON Band Switch
Fader Control Center Position LOUD/SUB-W
Balance Control Center Position Others. ........
Unit Under Test
we / Figure 4
1 seconds Pull-Down
FM/AM (MW/LW)
OFF
CDM-7859RB/CDN-7858RB/
CDM-7856R/CDM-7856RM
(4)
Adjustment
Procedures
|
|
Test
Point
/
Step
Description
|
Connection
|
Signal
Generator
|
Dial
Control}
P.W.Board
Adjustment
Coordinates
|
TP001
Auto
Adjustment
:
Seek
After
setting
up
of
Signal
Genarator.
FM
|
1
|
Auto
is
Figure
3
|
87-SMHz.
2608s
|
97
smitz
(1-D)
|
short
GND
and
TP608
(Pull-Down)
(Mod.
OFF)
TP608
for
1
sect
Adjustment
onds.
(3-B)
(SPEC)
1.510.1V
|
|
|
TP001
Auto
Adjustment
:
MM
Seek
7
After
setting
up
of
Signal
Genarator,
2
|
Auto
oe
Figure
4
|
990KH2,
SAB
|
ggokHz
(1-0)
|
short
GND
and
TP608
(Pull-Down)
:
(Mod.
OFF)
TP608
for
1
Adjustment
seconds.
(3-B)
(SPEC)
1.030.1V
1
TP001
Tato
Adjustment
:
LM
Seek
ui
Atter
setting
up
of
Signal
Genarator.
3
|
Auto
=
Figxed:
|
SSE
OME.
Y
oreddz
(1-D)
|
short
GND
and
TP608
(Pull-Down)
(Mod.
OFF)
TP6O8
for
1
seconds.
Adjustment
:
(3-B)
(SPEC)
1.020.1V