Kenwood KDC-348U Service Manual page 13

● Tuner Test Mode Specifi cation
The following display shall be indicated according to the TUNER status.
Status
TUNER IC Normal Error
T U
E
∗
Adjustment not imple-
mented
Blink in 2Hz
RDS Specifi ed data
R D
reception
Operations
Operation
ACCENT TUNER IC display
BAND switch
BAND
operation
S meter voltage
SEARCH
judgment display
Shift to TUNER
setting adjust-
■DISP
ment mode
TUNER Setting Adjustment Mode
1) Operation (Operation after performance of above-mentioned "Shift to TUNER setting adjustment mode" item)
Operation
AUTO Adjust-
■BAND
(Toggle) ment Mode
RETURN Mode release
2) Operation in AUTO Adjustment Mode
Operation
VOL
Adjustment start
PUSH
TEST MODE
Display content
N C O N N G
R R A 9
∗
S T E S T
Display content
A T O M R D S
F M 1 – 3 A
S – M T R
S – M T R
S – M T R
Display content
A S – x x L
Display content
A S – x x L
KDC-348U/4751SD/BT41U/BT648U
/U4549/U4549SD/U549BT/X395/X695
Communication to TUNER IC not available (indicated unless
the mode is in Clock Display Mode).
For models that TUNER adjustment is necessary but not done
7 . 9 A
(adjustment value: 0x00 or 0xFF), the following TUNER Test
Mode functions are valid ("∗ERR∗" display is continuing).
Turn OFF P-CON forcibly if PS=RDS TEST is received.
P-CON recovers with Power OFF/ON.
Display TUNER IC version
Execute Band Switch as shown in the following table
9 7 . 9 A
every time Band key is pressed in each type.
S meter value xx: Current S meter value
x x : O K
Determination result OK: Within S meter voltage spec
x x : N G
x x : – –
Shift to TUNER setting adjustment mode after switching
to 98.3MHz
SG setting values
Frequency: 98.3MHz, Modulation frequency: 1kHz,
Modulation mode: MONO, Modulation: OFF,
Deviation: 40kHz, ANT input level: 34dBμV
Select TUNER adjustment method (AUTO) using [BAND] key.
S-xx: Current S meter value (Hex)
L-xx: Level offset value (Hex)
– x x
✳ In case that the level offset value is not adjusted (0xFF
or 0x00), display "– –".
Return to TUNER Test Mode
Start adjustment (Start Auto adjustment, and transit to Suc-
– x x
cess/Failure display depending on the adjustment result)
Details
Details
NG: Out of S meter voltage spec
– – : No LEVEL OFFSET adjustment
Details
Details
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