Kenwood RXD-DV9 Service Manual page 9

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Pin No. Pin Name
48~54 DADR0~DADR6
55,56 D GND
57 TOS
58 DACK
59 DVDD
60 SDATA0
61 SDATA1
62 SDATA2
63 SDATA3
64 SDATA4
65 SDATA5
66 SDATA6
67 SDATA7
68 D GND
69 STROBE
70 REQUEST
71 DTEA
72 D GND
73~76 PWMO7~PWMO4
77 DVDD
78~81 PWMO3~PWMO0
82~84 D GND
85,86 DVDD
87~90 D GND
91 FRSYZ
92 TX OUT
TE
L 13942296513
93 GFS
94 D GND
95 33.86M
96 CK33MO
97 DVDD
98~100 D GND
101 EFMO OUT
102 WFCK
103 RFCK
104 PLCK
105 D GND
106 PLOCK
107 CLVLOCK
108 SLOCK
109 MDP
110 MDS
111,112 D GND
113 MON
114 D GND
115 FSW
116 EFMO
117~119 DVDD
120 CK16M
121 EMPHA
122 BCA
www
123 D GND
124 MRST
125 ZWAIT
.
126 ZIRQZD
127 RD
128 WR
CIRCUIT DESCRIPTION
I/O
O DRAM address bus.
- Digital ground.
O Top of selector.
O Data acknowledge signal output.
- Digital power(+5.0V).
O DVD data/CD data bit stream (CDATA).
O DVD data/CD data L/R clock (LRCK).
O DVD data/CD data bit clock (BLCK).
O DVD data/CD data error flag (C2PO).
O DVD data/subcode serial data (SQDT).
O DVD data/subcode frame sync (WFSY).
O DVD data/subcode block sync (SOSI).
I/O DVD data/subcode serial clock (SQCK).
- Digital ground.
O Data strobe (clock) output.
I Data request from A/V decoder or ROM decoder.
O DVD data error output.
- Digital ground.
O PWM output signal.
- Digital power(+5.0V).
O PWM output signal.
- Digital ground.
- Digital power(+5.0V).
- Digital ground.
O Frame sync output.
O Digital output.
O Good frame sync detection state output (OK at H).
- Digital ground.
I Syatem clock input for 33.8688MHz.
O Syatem clock output for 33.8688MHz.
- Digital power(+5.0V).
- Digital ground.
O EFM output.
O Write frame pulse.
O Reference frame pulse.
I Phase locked clock.
- Digital ground.
O Lock signal for PLL.
O Lock signal for CLV.
O Lock signal for servo.
O Spindle motor phase control signal (3-STATE).
O Spindle motor speed control signal (3-STATE).
- Digital ground.
O Spindle motor output.
- Digital ground.
O Spindle motor output (3-STATE).
I EFM/EFM+signal input.
- Digital power(+5.0V).
O CK33Ms 2 division clock/16.9344MHz.
O "H",when on deemphasis.
I BCA input signal.
- Digital ground.
x ao u163
I Hardware reset (Active low).
y
O Micom read /write access wait (Wait at L).
i
O Interrupt request to micom.
I Micom read strobe (Active low).
I Micom write strobe (Active low)
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Description
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