LG RCT689H Service Manual page 152

• Pin Assignment
Pin no. Pin Name
1 NC
2 PO3
3 PO2
4 PO1
5 PO0
6 VCC53
7 PIO0
8 PIO1
9 PIO2
10 PIO3
11 PIO4
12 CXDPH1
13 CXDPH2
14 GND6
15 STMDN
16 STMD
17 VREF08
18 SEO1
19 SEO2
20 MOUT0
21 MOUT1
22 MOUT2
23 VCC8
24 IREAD
25 IWRT1
26 IWRT2
27 IWRT3
28 GND7
29 CLPCLPF
30 RVREF
31 VCC7
32 STMOUT
33 TC
34 VCC51
35 OFTR
36 BDO
37 GND5
38 WTGT
39 WIDGT/SH4
40 SH3
Type
- -
O General CMOS output pin
O Head Amp/OEIC gain change signal output pin 3.
O Head Amp/OEIC gain change signal output pin 2.
O Head Amp/OEIC gain change signal output pin 1.
PS Power supply pin for CMOS I/F & LOGIC.
I/O General CMOS Input/Output pin 0.
I/O General CMOS Input/Output pin 1.
I/O General CMOS Input/Output pin 2.
I/O General CMOS Input/Output pin 3.
I/O General CMOS Input/Output pin 4.
I PH capacitor commection pin 1 for LPOS.
I PH capacitor commection pin 2 for LPOS
PS GND pin for BG.
I PD input pin for STM.
I PD input pin for STM.
O 0.8V reference voltage output pin (APC).
O Output pin 1 after selection of each error signal.
O Output pin 2 after selection of each error signal.
O Analog monitor 0.
I/O Analog monitor 1.
I/O Analog monitor 2.
PS Power supply pin for LPC (5.0V)
O DAC electric current output pin for READ.
O DAC electric current output pin 1 for WRITE.
O DAC electric current output pin 2 for WRITE.
O DAC electric current output pin 3 for WRITE.
PS GND pin for LPC.
I Capacitor connection pin for LPC/DAC LPF.
I Capacitor connection pin for reference voltage setting.
PS Power supply pin for LPC (3.3V).
O Encoder circuit comparator output.
O Track cross signal output.
PS Power supply pin for CMOS I/F & LOGIC(3.3V)
O OFTR signal output.
O BDO output.
PS Ground pin for CMOS I/F.
I Write gate signal input pin (pull-down)
I VFO through signal input pin.
ROPC mark detection sampling signal innput pin (pull-down)
I PCA average detection, APC space detection/Playback power detection/
Erase detection sample timing signal input pin(pulldown).
Function
5-33