LG LGXBR342 Service Manual page 105

Pin description
Pin No. Pin Name
1 AVREF0
2 AVSS
3 STEP0
4 STEP1
5 AVREF1
6 TILT-MUTE
7 SBRK
8 FLMD0
9 VDD
10 VDDOSC
11 VSS
12 X1
13 X2
14 /RESET
15
(RESERVED)
16 /CS-DSP
17 (RESERVED)
18 OPCTRG
19 /UINT
20 WGATE
21 DRV-CTRL0
22 SIB0
23 EFM-ERR
24 WBL-CRC
25 TXD
26 RXD
27 RECD
28 SFG
29 TEZC
30 SVMON
31 MON3
32 MON2
33 EVSS
34 EVDD
35 MON1
36 MON0
37 ASYLPF
38 WBLPF
39 LJJ-CTRL1
40 LJJ-CTRL2
41 DV D/CD
42 PU-CTRL1
43 RST-DSP
44 WR/RE
45 RW/R
46
LDEN-DVD
47 LDEN-CD
48 SCLK
49 SDATAI
50 SDATAO
Type Des cription
I A/D CONVERTER REFERENCE VOLTAGE INPUT
- A/D,D/A CONVERTER POTENTIAL
O STEPPTING MOTOR CONTROL SIGNAL
O STEPPTING MOTOR CONTROL SIGNAL
I D/A CONVERTER REFERENCE VOLTAGE INPUT
O TILT DRIVE MUTE SIGNAL
O EXTERNAL MEMORY ADDRESS BUS
I FLASH PROFLAMING MODE
- I NTERNAL CONSTANT POWER
- CONSTANT POWER
- INTERNAL GROUND POTENTIAL
I MAIN CLOCK
- MAIN CLOCK
I SYSTEM RESET
- -
O CHIP SELECTOR OUPUT
- -
I/O WOBBLE FM DE M ODUL ATI ON DATA
I INTERRUPTED REQUEST SIGNAL INPUT
I DRIVER WRITER LASER CONTROL SIGNAL
- -
I SERIAL CLOCK
- -
- -
O SERIAL CLOCK
I
SERIAL CLOCK
I NO RECODRDING AREA DETECTION
I FG SIGNAL INPUT
I TRACK ZERO CROSS SIGNAL INPUT
I SERVO BLOCK MONITOR SIGNAL
I M ONI TOR TEST SINGNAL
I M ONI TOR TEST SINGNAL
- EXTERNAL CONSTANT POWER
- EXTERNAL CONSTANT POWER
I MONITOR TEST SINGNAL
I MONITOR TEST SINGNAL
- -
- -
- -
- -
- -
O PD IC GAIN CONTROL SIGNAL
O RESET OUT
O PD IC GAIN COTTROL SI NAL(WRITE/READ)
- -
O PICK-UP LD ENABLE SIGNAL (DV D)
O PIC K-UP LD ENABLE SIGNAL (C D)
O REGISTER SETTING CLOCK
I REGISTER SETTING DATA INPUT
O REGISTER SETTING DATA OUTPUT
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