Aiwa CDC-Z107 Service Manual page 27

IC, LC78622NE
Pin No. Pin Name
1 DEFI
2 TAI
3 PDO
4 VVSS
5 ISET
6 VVDD
7 FR
8 VSS
9 EFMO
10 EFMIN
11 TEST2
12 CLV+
13 CLV-
14 V/P
15 HFL
16 TES
17 TOFF
18 TGL
19 JP+
20 JP-
21 PCK
22 FSEQ
23 VDD
24 ~ 28 CONT1 ~ 5
29 EMPH/CONT6
30 C2F
31 DOUT
32 TEST3
33 TEST4
34 PCCL
35 MUTEL/CONT7
36 LVDD
37 LCHO
38 LVSS
I/O
I Defect detection signal (DEF) input. (Must be connected to 0V when unused.)
I For PLL/Test input. A pull-down resistor is built-in. (Must be connected to 0V.)
O External VCO control phase comparator output.
- Intetnal VCO ground. (Must be connected to 0V.)
I PDO output current adjustment resistor connection.
- Internal VCO power supply.
I VCO frequency range adjustment.
- Digital system ground. (Must be connected to 0V.)
O Slice level control EFM signal output.
I Slice level control EFM signal input.
I Test input. A pull-down resistor is built-in. (Must be connected to 0V.)
Disc motor control output. Can be set to three-value output by microprocessor
O
command.
Rough servo/phase control automatic switching monitor output. Outputs a high level
O
during rough servo a low level.
I Track detection signal input. This is a Schmitt input.
I Tracking error signal input. This is a Schmitt input.
O Tracking off output.
O Tracking gain switching output. Increase the gain when low.
Track jump output. Three value output is also possible when specified by0
O
microprocessor command.
O EFM data playback clock monitor. Output 4.3218 MHz when the phase is locked.
Synchronization signal detection output. Output a high level when the synchronization
O signal detected from the EFM signal and the internaly generated synchronization signal
range.
- Digital system power supply.
I/O General purpose input/ output pin1 ~ 5.
De-emphasis monitor. A high level indicates playback of a De-emphasis disk./ General
O
General purpose input/ output pin6.
O C2 flag output.
O Digital output.
I Test input. A pull-down resistor is built-in. (Must be connected to 0V.)
I Test input. A pull-down resistor is built-in. (Must be connected to 0V.)
General purpose input/ output command identifying. A pull-down resistor is built-in.
I "H": Control possible only for the general purpose input/ output port command.
"L": Control possible for all commands.
O Left channel mute output./ General purpose input/ output pin.
- Left channel power supply.
O Left channel output.
- Left channel groud. (Must be connected to 0V.)
Description
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