Kenwood DP-R3070 Service Manual page 10
Multi le compact disc player
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Also See for DP-R3070:
- Instruction manual (21 pages) ,
- Instruction manual (20 pages) ,
- Instruction manual (21 pages)
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DP-R3070/R4070/R5070
CIRCUIT DESCRIPTION
1. Test mode
1-1 Setting the test mode
@ The microprocessor built in the unit can be put to TEST
MODE by just pressing the P.MODE
key when set to
power on.
@DP-R series is available to set to each test mode by each
key.
1-2 Key vs Function in test mode
1
STOP
(1) FOCUS SOIrVO...........cceecceeeeeeeteeeeeeeeeenenenees OFF
01
(2) TraCkiNg SELVO............cceececceeseseeeceeneeeeees OFF
(3); FCCC SOI Oi iitzccs cc cenieetek ceases: OFF
|
2
CHECK
(1) FOCUS SCIVO....ecsesseeeseseseesseeee tiaeee ON
03
7
(2) Tracking SCrVO............:::::::seeeeeeeeeeeeeeneees OFF
(3) FOE SCIVO sasesccecsecsceresticite, coseeeinsovbnncedes
3
PLAY
(1) FOCUS: SCIVOsiscehpilecwuncesccass tesusauenngen aes:
05
|
(2) Tracking SOPVO...............cecceeeeeeeeeeeeeeeeeeee ON
(3) FOC SOIVG sic: icp sesovzesatagceceesets deserarenten. ON
4
~
-DISCt
Search the position of No.1
3
_
5
|
UP
Displaygoeson —
_
Display goes off
DP-R3070/R4070/R5070
CIRCUIT DESCRIPTION
2. Microprocessor : M38174M8-264FP (X32- A/4, IC3)
2-1 Pin connection
SDATA
BUSY
RMUTE
SCL
SDA
GFS
34
MUTEG
M38174M8-264FP
XOUT
XIN
XCOUT
XCIN
RST
REM
SCOR
2-2 Pin description
| Digital mute control
Frame signal input —
Clock control of X24C16
(EEPROM
Clock contol of X24C16
(EEPROM
|DEN-CDG |O|Notused
MUTE CDG
Not used
|
SQCK
| Read clock
for data
Not used
Q data input
14) RTRAYS __| O| Rotary tray motor control (SPEED DOWN) | 40|SDATA
S| RTRAYL — | O| Rotary tray motor control (CCW)
ss
41,42
_16|CLOSEM_|O|Close motorcontrol
|OPENM | O/Openmotorcontrol
__ [98-68
_18/ LDC
Laser signal output.
_169-
| .jNotused
_O | Display digital control
aks
.
| Display segment control (key scan)
Key matrix return input
FOK signal output
d
Power supply (+5V)
Focus work control
Display
driver negative power supply
(-35V
Q| Clock signaloutput
GND
_| GND
se
oe
eccentric
npey ahaa
ene
ees
Na 5
__|
| _ | Start limit switch signal input
| _ |
Open switch signal input
Close switch signal input
oe Mechanism up switch signal inp
O|Datasignaloutput
FF
SLT -SW
| SENSE signal input from CXD2507AQ | 78 | OPN-SW __
Sub code frame synchro detection
7
P| Remote control signal input
ut
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