Kenwood DMC-J3 Service Manual page 10

DMC-J3
3. TEST MODE
2) To change setting value is available +2 or -2 steps by
VOL UP/DOWN key. Disc stops to turn after memoriz-
ing the value to E2PROM by PLAY/PAUSE key or not
memorizing it to E2PROM by STOP key. Display
shows setting value+80h.
Remote cont
Unit
3-1-4 Automatic Adjustment results in Stop Mode After
Adjustment
* Result will be shown cyclically by SHIT key as follows. Left
2 figures shows display contents number.
Example is in remote controller.
1) TOC reading address
Remote cont
2) FOCUS BIAS Value Setting
3) High reflection EF Balance
4) Low reflection Pit /Groove of FE Balance
5) High reflection Auto Gain Filter of Focus and Tracking
6) Low reflection Auto Gain Filter of Focus and Track
10
CIRCUIT DESCRIPTION
[74 127] changed value
[TEST 1] the stop key is pressed
[o1] changed value
[oo] the stop key is pressed
[01FFD0] right 4 figures: header
adds/cluster only
[077272] mid 2 figures: high reflec-
tion bias value
right 2 figures: low reflec-
tion bias value
[08 10] right 2 figures: value
[090F0F] mid 2 figures: pit's FE-
balance
right 2 figures: groove's
FE balance
[103F40] mid 2 figures: focus gain
value
right 2 figures: tracking
gain value
[113538] mid 2 figures: focus gain
right 2 figures: tracking
gain
3. TEST MODE
7) Average data of VC/FE Offset
[127F7F] mid 2 figures: VC offset
8) Average Data of ABCD Offset
[13
3-2 TEST MODE II (AUDIO SPEC)
* Item of audio specification
3-2-1 Procedures
1) Connect #43(TEST0) of IC5 to 2.8V(VDD) and
#42(TEST1) of that to GND. Next Connect AC adapter
to the unit.(the unit will be in CPLAY mode after TOC
reads)
Remocon [TEST 4]
Unit [o4]
2) The unit will be in CPLAY after TOC reading.
Remocon [TOC OK]
Unit [o4]
3) Choose and playback TNO-02 on the disc by
PLAY/PAUSE key
Remocon [02]
Unit [o4]
4) Choose and playback every TNO in the above table by
PLAY/PAUSE key. TNO will be chosen TNO 02 if
repressing the PLAY/PAUSE key after STOP key
pressed,
Remocon [05]
Unit [o4]
compensation value+80h
right 2 figures: FE offset
compensation value+80h
41] right 2 figures: FE offset
compensation value
playback TNO
playback TNO