Kenwood KDC-W241AY, Service Manual

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KDC-W241AY/W241GY/W3041A/W3041AY/W3041G
/W3041GY/W312A/W312AY/W312G/W312GY/W312SAY
■
Test mode specifi cations in TUNER source
Error is found in front-end (A1), etc. if indications below is displayed while in tuner source.
Status Display Description
Front-end (A1) E2PROM data error
T N E 2 P N G
Front-end (A1) E2PROM is still the default (unspecifi ed) value.
Front-end (A1) communication error
T N C O N N G
Communication with front-end (A1) is not possible.
Destination mismatch
T N T Y P N G
When destination is mismatch between front-end (A1)
E2PROM and the product.
• TUNER preset operation
Key Description of display Description
4 Preset function
F M 1 9 8 . 3 A 4
Change to 98.3MHz with the preset key [4].
• K3I forced switching
Every time when [6] key is pressed in tuner FM source, switched in the following order: AUTO
→
Forced WIDE
→
Forced MIDDLE
→
Forced
NARROW
→
AUTO. Default status is AUTO, and displayed as shown below.
Key Description of display Description
6 K3I Forced switching
F M 1 9 8 . 1 A
AUTO
F M 1 9 8 . 1 W
Forced WIDE
F M 1 9 8 . 1 M
Forced MIDDLE
F M 1 9 8 . 1 N
Forced NARROW
• RDS auto measurement
Add the process to replace the visual inspection of PS display previously done in the production line.
Status Display Description
PS data reception
R D S T E S T
If displayed as shown at the left, force to OFF.
P-CON is recovered by Power OFF/ON.
• FST adjustment mode
Perform FST soft-mute adjustment.
Key Note
■ Enter the FST adjustment mode. (Press for 1 second or longer.)
Operations in the FST adjustment mode are as follows:
Key Description of display Description
FM (UP)
AM (DOWN)
Soft-mute adjustment
S M D – F
18dBµ (0)
↔
36dBµ (F)
■
Adjustment value
memory
E P W R I T E
Displays the data that has been written in the E2PROM when
pressing the key for 2 seconds or longer.
Mode clear
F M 1 9 8 . 3 A 4
Clear the FST adjustment mode. (Returns to normal display
and the test mode is retained.)
After completing the FST adjustment, if You wish to clear the test mode, You can do this using the reset button.
TEST MODE