Pioneer CB-A802, Service Manual

Page: 156 / 168

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