Kenwood KDC-1022, Service Manual

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KDC-1022/122P
7
Pin No. Name I/O Description Processing Operation
32 NC O Not used
33 ASEL I Audio output polarity switching terminal L : Reverse, H : Non reverse
34 MSEL0 I Destination type selection port (set 2bit) Order “MSEL 0” and “MSEL 1” Set up
35 MSEL1 I Destination type selection port (set 2bit) Order “MSEL 0” and “MSEL 1” Set up
36 ICRST O Reset control terminal for external DAC
37 BCLK O Bit clock output for serial data
38 LRCK O L/R identification signal output
39 SRDATA O Sirial data output
40 VREFP I A/D converter standard power supply input
41 HOT I Temperature protection detection terminal (AD input) Over C5(h) : on
42 8EJE_SW I 8cm disc eject stop detection terminal H : Stop
43 12EJE/SDET_SW I Judge the 8cm or 12cm disc 12cm disc stop detection terminal
44 LOE/LIM_SW I Pick-up inside detected Loading end detection terminal
45 PCK O PLL extracted clock output, etc
46 EFM O EFM signal output, etc
47 SENSE O Optics servo status signal output, etc
48 CLVS O Spindle servo phase synchronous signal output, etc L : Normal operation, H : Luff servo
49 DEMPH O Dephase detection signal output, etc H : on
50 DVDD2 - Power supply for digital circuit
51 X1 I Main clock input terminal
52 X2 O Main clock output terminal
53 DVSS2 - Ground lines for digital circuit
54 XSUB1 I When external DAC, external clock input terminal
55 XSUB2 O
56 TEST1 I Test port 1 Normal operation is H fixed
57 TEST2 I Test port 2 Normal operation is H fixed
58 NC O Not used
59 VER/HOR O Put length or breadth switching motor terminal H : Put length, L : Put breadth
60 DRV_MUTE O Driver mute control terminal L : MUTE ON, H : MUTE OFF
61 /MUTE_L O Audio Lch MUTE output L : MUTE
62 /MUTE_R O Audio Rch MUTE output L : MUTE
63 /RST I LSI reset input terminal H : Normal, L : Reset
64 OCD_CLK I When OCD connected, clock input
65 /MSTOP I Standby detection terminal H : Normal, L : Mecha stop
66 DATA I/O I2C bus data line (communication line with system computer) At that time serial writer connected
67 SBIO I When connected to serial writer, data input terminal
68 /CLK I/O I2C bus clock line (communication line with system computer) At that time serial writer connected
69 TX O Digital audio interface signal output
70 EQCNT O RF EQ switching terminal L : x2 times, H : x1 times
71 XSEL I During the external DAC connection MCLK external input (H : input)
72 MCNT I CD mecha Loading/Eject control ON/OFF L : OFF (HOST control), H : mechanism control
73 P-ON O Audio and servo origin power control terminal L : power on, H : power off
74 MOTOR O Loading/Eject control switching terminal At that time LO/EJ is “H”
75 LO/EJ O Loading/Eject control terminal or output L When 72pin (P82) is “L”, output “L”
76 CD-RW O CD-RW control terminal H : CD-RW, L : normal
77 LDCNT O LD control terminal Operation is same LDON as timing
78 DVDD3 - Power supply for digital circuit
79 FOD O Focus driver output (PWM output)
80 TRD O Tracking driver output (PWM output)
MICROCOMPUTER’S TERMINAL DESCRIPTION
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