Test Mode - Kenwood KDV-S210P Service Manual

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
165 GND
166 XSPDIREF
167 XSFDIREF
168 AVDD5_PL
169 XSPLLFTR2
170 AVSS_PL
171 XSFDO
172 XSFTROPI
173 XSVR_PLL
174 XSPDOFTR2
175 XSVREFO
176 XSAWRCVCO
In the test mode, it is possible to confirm on the controlling
firm ware version number on each of F/E (disc servo control
section) and B/E (system control and MPEG replay) systems.
How to use the Test Mode
Turn on power supply (Use the power switch) and immedi-
ately after turning power on, use the remote controller to input
the following, without inserting a disc.
RETURN
↓
PROGRAM
↓
RANDOM
Each time input is made, the screen shows a hand mark (which
means the input is not effective) but continue pressing the keys.
I/O Application
- Digital ground
I PLL phase detector reference current generation input
I PLL frequency detector reference current generation input
- Data PLL analog +5V input
I Data PLL loop filter pin #2
- PLL analog GND
O PLL frequency detector charged pump circuit output terminal
I PLL loop filter OP circuit input terminal
I PLL reference voltage input
I PLL phase detector filter pin #1
O PLL reference voltage output
I AWRC VCO input pin

TEST MODE

Processing Operation Description
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-
-
-
-
-
-
-
-
-
-
-
Then, the each firm's version will be display on the bottom two
lines of the screen.
Line 1 : B/E firm version number
Line 2 : F/E firm version number
The display will soon disappear. During display, other opera-
tions can be conducted.
KDV-S210P/S220P
/S230P/S240P
15