Kenwood RXD-DV9, Service Manual

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RXD-DV9
10
CIRCUIT DESCRIPTION
P in No. Pin Name I/O Description
1 MDOUT3 O Mode data3 out controlled by micom.
2 SSTOP/PS0PS1 I Limit switch/sled position sensor input pin 0.
3 PS1 I Sled motor position sensor input pin 1.
4 D GNG - Connected to ground.
5 COUT O Unused.
6 FLKB O Unused.
7 TLKB O Unused.
8 PSB I 0: 1BIT 1: 8BIT
9 RSTB I System reset signal input pin.
10 CSB I Micom chip select pin.
11 DAB I Micom data/address select pin.
12 WR I Micom write clock signal input pin.
13 MRDB I Micom read clock signal input pin.
14~21 HAD0~HAD7 I/O Micom data pin 0~pin 7.
22 SENSE O Internal status monitor pin.
23 DVDD - Servo logic & ROM VDD power supply pin.
24 XI I System clock signal input pin.
25 XO O System clock signal output pin.
26 XOUT O Clock output(33.9688MHz) to DSP.
27 DVSS - Servo logic & ROM VSS power supply pin.
28 S28 O Clock output pin for subcode data read.
29 S29 I Subcode data input pin.
30 S30 I Timing detection input pin for subcode data read.
31 MON I Monitor ON signal input pin.
32 SLOCK I Lock signal input pin.
33 SDVCC I Direct jump control (for 1 track jump).
34 FOKB I Focus OK signal input pin.
35 PLOCK I PLL frequency detect control input pin.
36 LDONB O Laser diode ON signal output pin.
37 SERVO DFCT I Defect detection signal input pin.
38 MIRR I Mirror signal input pin.
39 HOLD I PLL hold signal from micom.
40 INT0 O Servo interrupt monitor pin.
41 VCC - PLL logic block VDD power supply pin.
42 PLCK O PLCK.
43 PLLOCK O Frequency lock detect output (H: lock L: unlock)
44 EFMO O Latcted EFM output signal.
45 A GND - PLL logic block VSS power supply pin.
46 RVCO I Resistor pin for VCO gain.
47 RFD I Gain adjust resistor for frequency detector.
48 RPD I Gain adjust resistor for phase detector.
49 VCTL I Control voltage for VCO.
50 MAGICO I Input for controlling hysterisis of the FD output (for testing).
51 EFMOA I EFM offset adjustment pin.
52 TZCO O Tracking zero cross output pin.
53 SVDD - Servo CPU VDD power supply pin.
54 EQCTL O EQ control signal.
55 EFMI I EMF signal for test.
56 EFMO O EMF signal.
57 LPFDVD I Asymmetric input signal for DVD.
58 LPFCD I Asymmetric input signal for CD.
4.Pin description of DVD servo processor : SIC1(KS1452)
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