Kenwood DP-3010 Service Manual page 28

DP-3010
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CIRCUIT DESCRIPTION
Details (Data D7 ~ DO)
1 SETRO
@ ATIC:
@ MUTC:
@ HOSTP:
@ GUPCL:
@ MCG:
@ FSPS
@ Div+:
© DIV-
2 SETR1
@ APCG1
© APCG2'
APCG 2
Attenuate Controi Signal for CKIC and CKICF
(During Continuous Kick)
@ When "1" during Continuous Kick, ATT is
ON
TCS200BF Internal Muting Contro! Command
@ Normally "1"
@ When "0", Internal Muting is OFF.
@ Sent to TC9200BF
TC9200BF Correction Operation Stop Com-
mand
@ Normally "1"
@ When "0", Correction Operation is stopped.
@ Sent to TC9200BF
Clear Control Signal for the Gain Up (GUP)
Signal during Shock Detection
@ DEFECT Signal is cleared when GUP is "1".
@ DEFECT Signal is not cleared when GUP is
"QO".
FSPS, DIV+ and DIV— Selection Signal
@ When "1", CPU combined information used
from TC9178AF and during 1C917F
System operation
@ When "0", SPDA information sent from
TC9200BF is used.
CLV Servo System Contro} Information
APC Phase Comparison Frequency Selection
Signa! of the CLV Servo Circuit
'PHASE COMPARISON
FREQUENCY
DIVISION
COMPARISON
41226 Hz 7.35 kHz/6
919 Hz 7.35 kH2/8
613 Hz 7.35 kH2/12
459 Hz 7.35 kH2/16
@WSEG: Wind Selection Signal for the TC9200BF
Frame Synchronizing Signal Protection Circuit
@ Sent through the SCDA pin to TC9200BF
© ESGM
@ ESGL
Circuit Setting Selection
TC9200BF
Frame Synchronizing Signal Protection Circuit
for
Continuous Off-Synchronizing Detection
@ Sent through the SCDA pin to TC9200BF
Signal for the
NUMBER OF
OCCURANCES
© DMG:
3 SETR2
@ GUP1:
@ HYS1:
@ GUP2:
@ HYS2:
@ LDSP:
DMON pin Contro! Signal
@ When "1", during DMSV (CLV Servo ON)
DMON = VREF
@ When "0", during DMSV (CLV Servo ON}
If AFCS = 1 then DMON = "HiZ"
If AFCS = 0 then DMON = "VREF"
AFCS = 1 -+ Pre Servo Mode
AFCS = 0 — Main Servo Mode
When "1", Gain Up of the Tracking Servo
during Shock Detection while Piaying
When "1", Tracking Signal is to have Hystere-
sis Characteristics during Shock Detection
while Playing
When "1", Gain Up of the Tracking Servo for
2-3 msec after Search completed.
When "1", Tracking Signal is to keep Hystere-
sis for 2-3 msec after Search completed.
When "0", LDC pin is "HiZ" during LDON
(Same during Reset)
© RFRG1/2: RF Wipe Off Level Selection Signa!
WIPE OFF LEVEL
01111
01110
01101
01100
@FMSS: When "0", Feed Servo OFF during Search Nor-
mally "1"
DP-3010
CIRCUIT DESCRIPTION
(4) Write Command (CM-D)
DATA
p7 | b6 | 05 [ba [03 | 02 [07 | Do
Number of Tracks N1
Number of Tracks N2 64 x N2 Track Kick
Number of Tracks N1
i
| N1 Track Kick
Number of Tracks N1
N1 Track Kick
(Feed Motor Sending Inciuded)
Number of
Tracks N3
N3 Continuous Track Kick
T: Speed Select
Number of
Tracks N3
N3 Continuous Track Kick
{Feed Motor Sending Inctuded)
T: Speed Select
Number of Kick Tracks (8 bits) — Kick Amount
= N1 Track (0-255)
Number of Kick Tracks (8 bits; — Kick Amount
= 64 x N2 Track (0-16320)
Number of Kick Tracks (8 bits! ~- Kick Amount
= N3 Track (0-15)
Kick Interval {2 bits} during CKIC and CKICF
KICK INTERVAL
62 ms (16 Hz)
Details
© BRK: Feed Motor Brake Signal ON/OFF Setting en)
@ When "1", Brake Signal ON
@ When "0", Brake Signal OFF @N2:
e@ FGC: Feed Motor Gain Control
@ When "1", FMGU pin is "VREF" (Gain Up). eN3:
@ When "0", FMGU pin is "Hiz"
e TGC: Tracking Motor Gain Control eT
@ When "1", TGUL and TGUH pins are "HiZ"
(Gain Up)
@ When 0", TGUL and TGUH pins are "VREF"
© B/F: BWD/FWD Search Direction Setting
@ When "1", BWD Search
@ When "0". FWD Search
(5) Read Command (CM-E)
COMMAND
D3 |p2 [D1 | po | WORDS READ |
124 ms( 8 Hz
248 ms ( 4 Hz)
NUMBER OF
495 ms { 2 Hz!
I
Sub-code Q Data Read Command QDa = MSB
Details
STRD
© FOK: Focus Search OK Signa!
@ When "H", Focus ON (Servo ON}
@ODRE: QData Read Enable Signal
@ When "L", Enable
@ SRCH:
@ BRKR:
internal Status Monitor Command
Search Signal
@ When "L". Searching
Disc Motor Brake Cancel Signal
@ When "H", Brake Cancelled
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