Pioneer DVD-V8000 Service Manual page 156

1
LC78652W (DVDM ASSY: IC201)
A
• Servo DSP IC
Pin Function
No. Pin Name
1 EFMOUT
2 C2F
3 ROMXA
4 ROMCK
5 LRSY
6 XHSMOVE
7 XABUSY
B
8 XTALOUT
9 FSX
10 SBCK
11 SFSY
12 PW
13 VSS
14 XIN
15 XOUT
16 VDD
17 EMPH
C
18 SBSY
19 DOUT
20 EFLG
21 FSEQ
22 THLD
23 V_PB
24 CURENT
25 TEST3
26 TES
27 TEST2
D
28 JITT
29 TILTE
30 RF_PH
31 RF_BH
32 TE
33 FE
34 SLCIST1
35 SLCIST2
36 SLCO1
37 SLCO2
E
38 TEST1
39 EFMIN
40 VDD
41 VSS
42 AUXO
43 TILTDO
44 TBAL
45 SLDO
46 SPDO
47 FDO
48 TDO
F
49 VREF
156
1
2
I/O
O Status output after binarization of EMF
O C2 flag output
O CD-ROM data output
O Shift clock output for CD-ROM data output
O L/R clock output for CD-ROM data output
O Tracking bottom bandwidth switch output
O Busy signal output of DSP processing operation
−
Not used
O Frame sync signal output of CD1
I Subcode read clock input
O Frame sync signal output of subcode
O Outputs of subcode P, Q, R, S, T, U, V, W
−
Ground
I Clock input (16.934 MHz)
−
Not used
−
Power supply (+ 3.3 V)
−
Not used
O Sync signal output of subcode block
O Audio EIAJ data output
O Error correction state monitor pin of C1 and C2
−
Not used
O Playback speed monitoring pin
−
Not used
O Focus monitoring pin
I Test input pin
I Tracking error signal input
I Test input pin
I Quantity of jitter detection signal input of EFM PLL
I Tilt error signal input
I RF peak hold signal input
I RF bottom hold signal input
I Tracking error signal input
I Focus error signal input
−
Current setting pin 1 of the constant current charge pump for SCL
−
Current setting pin 2 of the constant current charge pump for SCL
O Control output 1 for SLC
O Control output 2 for SLC
I Test input pin
I EFM/EFM+ input
−
+5 V power supply of A/D and D/A for servo
−
Ground of A/D and D/A for servo
O D/A auxiliary output
O Tilt control output
O Tracking balance control signal output
−
Not used
−
Not used
O Focus control signal output
O Tracking control signal output
−
D/A reference level for servo
DVD-V8000
2
3
Pin Function
3
4
4