Kenwood DP-3010 Service Manual page 10

DP-3010
CIRCUIT DESCRIPTION
3-2. Enable Keys and Functions in Test Mode
Key name Function
TRACK NO. display
Focus servo. ON
"+3cking servo : ON
servo ON
ac
Ll
| Display for several seconds after
} completing 1.2.3
Display disc TRACK No.
tus Servo. ON
OFF
rt ct
Lio
ON
Tracking servo ON
Feed servo is OFF
a]
ul
UL}
Focus servo OFF
Tracking servo : OFF
Feed servo. 2 ac3x! OFF.
I
!
1 Tray open
2 RSP acct nos tant asecnes cx bye ON
The FEPEAT function will be cancelled when tray is pushed in and closed
Dise av TRACK NO. will be "
REPEAT
a
ie
During STOP, the pick-up will move a little outward
Whe- feed servo ON, track gain is "H"
Dur
¢ STOP, the pick-up will move a littie inward
Wher feed servo ON, track gain ts "L"
ANF. display fit
Air F. display OFF
Wit smp oniy the following tracks
ney 3
i
4
Number of 16
tracks i
Outward
T
8 |
10° 10KEY (0-9
16
Inward
11) OPEN/CLOSE
test made will be cancelled
12; P.MODE TRACK NO. 2.6.7.8, 10, 13, 22 will be programmed and the test mode will be cancelled
Note: While in test mode, since tact key and the printed circuit board are being tested, the TRACK NO. will not be displayed.
16
CIRCUIT DESCRIPTION
4. Microprocessor .PD75212ACW-099
(X32-1400-10:1C17)
4.1. Pin Connection Diagram
—__+_—
a
4-2. Block Diagram
BASIC
INTERVAL
TIMER
110/13 © TIMER/EVENT
COUNTOR
<0
TIMER /PULSE,
PPO cenenaton K—Y
SERIAL
INTERFACE
ANTO/PIO ©
NTP O INTERRUPT
1NT2/12 0 CONTROL
INTA/POO
« PD75212ACW-099
vool- Sv)
64
63
62
61
60
59
58
57
S6
VPREt- SV)
VLORDI - 36V)
'(re
t-
NC
NC
NC
NC
NC
Gi
G2_*
G3
KO3
KD
———
KDO
+
(OPEN)
{VOD or Vss)
KIND; Diode Switch
DP-3010: +
ROM
PROGRAM
MEMORY
16256 = 8B
INTw
Buz/P23
WATCH [CLOCK
TIMER j DIVIDER CONTROL
sue
DATA MEMORY
ITS 812 x ABTS
tee
SYSTEM CLOCK
GENERATOR | stanp ay
cPU CLOCK
Pak
XTUXT2 XTX? Voo ss RESET
PIO-PS
oT
P20~P23
THOS SS/PH3—
THA 12/P HO
CONT: TIa/Btt=
ROLLER, THSIS1O
INTKS