Ic Description-1/2 (Lc78646E) - Aiwa XR-EC10 Service Manual

IC DESCRIPTION -1/2 (IC, LC78646E) -1/2
QQ
3 7 63 1515 0
Pin No. Pin Name
1 SLCO
2 SLCIST
3 EFMIN
4 RF
5 RFVDD
6 RFVSS
7 FIN1
8 FIN2
9 TIN1
10 TIN2
11 VREF
12 REF1
13 FE
14 TEC
15 TE
16 RFMON
17 JITTC
18 ADAVDD
19 ADAVSS
TE
20 TDO
L 13942296513
21 FDO
22 SPDO
23 SLDO
24 GPDAC
25 CONT4-DRVMUTE
26 CONT5
27 SBCK/CONT6-SWIL
28 SBCK/FG
29 DEFECT
30 V/P
31 FSEQ
32 ~ 36 MONI1 ~ MONI5
37 VSS
www
38 VDD
39 DOUT
.
40 TEST
http://www.xiaoyu163.com
I/O
O Slice level control output.
I SLCO output current adjustment resistor connection pin.
I RF signal input pin.
O RF monitor pin.
– RF power supply pin.
– RF ground pin. (Connected to 0V)
I A+C signal input pin.
I B+D signal input pin.
I E signal input pin.
I F signal input pin.
O VREF voltage output pin.
I Reference voltage setting pin.
O FE signal monitor pin.
O TE signal low pass filter capacitor connection pin.
O TE signal monitor pin. (Not used)
O RF internal signal monitor pin. (Not used)
– Jitter detection capacitor connection pin.
– Servo A/D, D/A supply pin.
– Servo A/D, D/A ground pin. (Connected to 0V)
O Tracking control output pin. D/A output.
O Focus control output pin. D/A output.
O Spindle control output pin. D/A output.
O Sled control output pin. D/A output.
O Servo D/A general purpose output pin. (Not used)
I/O General purpose input/output pin 4. (Used as a CD driver mute pin)
I/O General purpose input/output pin 5. (Not used)
Sub-code read clock input pin / General purpose input/output pin 6.
I/O
(Used as a CD pickup inside limit switch pin)
Sub-code read clock input pin / FG signal input pin/external emphasis setting pin.
I
Set to command pin function. (Connected to 0V)
O Defect pin. (Not used)
Rough servo/phase control automatic switching monitor output pin.
O
"H" for rough servo and "L" for phase servo. (Not used)
Synchronization signal detection output pin.
O Outputs a high level when the synchronization signal detected from the EFM signal and the
internally generated synchronization signal agree. (Not used)
O Internal signal monitor pin 1 ~ 5. (Not used)
– Digital ground pin. (Connected to 0V)
– Digital power supply pin.
x ao u163
y
O Digital OUT output pin.
i
I Test input pin. (Connected to 0V)
http://www.xiaoyu163.com
2 9
8
Description
Q Q
3 6 7 1 3 1 5
co
.
-64-
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9