Kenwood DM-3090 Service Manual page 11

Terminal Name
Pin No.
54 TESO1
55 TESO3
56 TEST4
57 CDDATA
58 CDLRCK
59 CDBCLK
60 VXI
61 VPO
62 VDD1
63 DGND
64 XI
65 XO
66 DIN
67 DOUT
68 VDD3
69 DGND
70 LRCK
71 BLCK
72 DFCK
73 ADDATA
74 DADATA
75* FEMON
76* TOTMON
77* TEMON
78* SBCK
79* SBO
80* SBSY
81 SFSY
82 FOK
83 SENSE
84 COUT
85 MCCK
86 DINTX
87 VDD1
88 DGND
89 RSTX
90 SYD0
91~96 SYD1~SYD6
97 SYD7
98 SYWRX
99 SYRDX
100 SYRS
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
CIRCUIT DESCRIPTION
Input/Output
Output PLLLR. Microcomputer extension output port 2 in case of selection
In/Output PLLOSC. Microcomputer extension output port 3 in case of selection
In/Output EXTCLK. Microcomputer extension output port 4 in case of selection
In/Output High speed dubbing CD data input. Microcomputer extension output port 5 in case of selection
In/Output High speed dubbing CD LR data input. Microcomputer extension output port 6 in case of selection
In/Output High speed dubbing CD bit data input. Microcomputer extension output port 7 in case of selection
Input Vari-pitch PLL clock input
Output Vari-pitch PLL phase error output
— Digital power
— Digital GND
Input Oscillation circuit input. 33.8688 MHz
Output Oscillation circuit input. 33.8688 MHz
Input Digital input signal
Output Digital output signal
— Power for internal PLL
— Digital GND
Output Music data Lch/Rch selection output
Output Music data shift clock
Output AD/DA converter digital filter clock. 256 Fs
Input Audio data input
Output Audio data output
Output Focus error signal monitor output
Output Total signal monitor output
Output Tracking error signal monitor output
Input DIN subcode read clock. EIAJ CP-309 Format
Output DIN subcode serial data. EIAJ CP-309 Format
Output DIN subcode block sync signal. EIAJ CP-309 Format
Output DIN subcode frame sync signal. EIAJ CP-309 Format
Output Focus OK detection signal. "0" : Focus OK
Output Servo status detection signal. "1": Auto-move, auto-jump, auto-focus retraction
Output Track cross signal output
Output Microcomputer clock output. Clock output is performed also when RSTX = 0.
Output System controller interface interruption request output terminal
— Digital power
— Digital GND
Input Chip reset input. "L": Reset
In/Output System controller interface data bus terminal (LSB)
In/Output System controller interface data bus terminal
In/Output System controller interface data bus terminal (MSB)
Input System controller interface register writing pulse input
Input System controller register read pulse input
Input System controller interface register selection input
DM-3090
Function
11