Kenwood DP-3010 Service Manual page 44

DP-3010
CIRCUIT DESCRIPTION
® CPU PROCESS FLOW CHART
1) CPU Processing during POWER ON
(Command Input Example)
POWER ON Laser Diode ON (LDON Command)
(a)
Data Set Data set to intemal resister
{b}
Focus Gain Adjustment
{c)
F Search Servo ON at Just Focus Point
ea {FOSET, FORST Commands)
t
Focus Gain Adjustment
(FGASS, FGASR, FGASET Commands)
NO
Disc Motor Servo ON
(OMSV)
Tracking Gain Adjustment
(TGASS, TGASR, TGASET Commands)
NKIC (00) Normal Play (O Track Jump)
For Data Set, Focus Gain Adjustment, Focus Search and
Tracking Gain Methods details see (a) ~~ (b).
When FOK = L,
Play REOPEN Process executed
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DP-3010
CIRCUIT DESCRIPTION
{a) Data Set Method (internal resister set example)
DEFECT II Command Set
SHOCK
ATTC .MUTC ,HOSTP GUPCL' MCG | FSPS | DIV+
a ey 0 Oe Pe 10
SRCL Resister = 8 set
FS Resister = 5 set, FCOK Resister = 3 set
N Resister = 7 set, Tn Resister = 4 set
M Resister = 4 set, Tm Resister = 3 set
L Resister = 7 set, T. Resister = 4 set
Command Set
SETR1 Command Set
SETR2 Command Set
APCG 1: APCG 2. WSEG | ESGL | ESGM |
OP Ot a ae, ad
GUP 1! HYS1'GUP2.HYS2! LDCP 'RFRG1,RFRG 2. FMSS
0 1 1 i ;
(b} Focus Gain Adjustment Method
Set SBAD data to internal resister during Focus OFF
{Information needed to judge Focus ON)
SDSET Command Set
LDON Command Set Turn Laser Diode ON
FKIC Output Pin is ""H"
FGASS Command Set
FGASR Command Set
WAIT
Focus Actuator Drive
FKIC Output Pin is "L"
500ms
FGASET Command Set
Focus Actuator Drive
Decode the Peak Hold Data of the
Focus Error Signal to set FEL1 and 2
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