Alpine CDM-7859RB - Page 33

CDA-7873R
(4) Adjustment Procedures
| Test Point / “y
Step | Description | Connection Signal Generator Dial Control | P.W.Board Adjustment
EI
Coordinates
e 98.1MHz, 720By i a
Dl a eictent Figure 3 (Mod. 400Hz, 98.1MHz tpoos | Adjust [OV ]to 0430mv.
Dev. 40kHz)
(1-B)
Auto Adjustment : After setting up of
Signal Genarator, short GND and
98.1MHz, 51dBy TP004 TP505 (Pull-Down) for 2~3 seconds.
(Mod. 400Hz (1-C) (SPEC) TP004 : 340.1V -- OK
(1) Dev. 40kHz 98.1MHz TP505 (SPEC) TP004 : others 3+0.1V — NG
=: Mod, OFF) eG) NOTE : NG : Proceed same Auto
Adjustment of step (1)
FM | under step (2).
2 | Signal Meter Figure 4
Adjustment a pie : TP004
u (1-C) Proceed same Auto Adjustment of step
(2)| (Mod. 400Hz,
D TP505 (1) under step (2).
ev. 40kHz (1-C)
—+ Mod. OFF)
98.1MHz, 51dBu TP004
(3) (Mod. 400Hz, 98.1MHz (1-C) Proceed same Auto Adjustment of step
Dev. 40kHz 7 TP505 (1) under step (3).
—>. Mod. OFF) (1-C).
Auto Adjustment : After setting up of
Signal Genarator, short GND and
999kHz, 32dBy TPOOA TP505 (Pull-Down) for 2~3 seconds.
(Mod. 400Hz (1-C) (SPEC) TP004 : 1.440.15V — OK
(1) 30% 999kHz TP505 (SPEC) TP004 : others 1.440.15V —- NG
need OFF) (1-C) | NOTE: NG : Proceed same Auto
Adjustment of step (1)
AM under step (2).
3 | Signal Meter Figure 5 == ee
Adjustment poe TP004
(1-C) Proceed same Auto Adjustment of step
(2) aor als. 999KHz | tp505 | (1) under step (2).
| [> Mod. OFF) ed)
| 999kHz, 32dBy TP004
(Mod. 400Hz, (1-C). Proceed same Auto Adjustment of step
(3) 30% sie b TP505 (1) under step (3).
— Mod. OFF) (1-C)