LG RH4820W Service Manual page 77

No. Pin Name Type
41 VCC4 -
42 ADO OUTPUT
43 BCO OUTPUT
44 GND4 -
45 CDAC OUTPUT
46 VCC5 -
47 BCIN INPUT
48 ADIN INPUT
49 RCBH1A -
50 RCBH1B -
51 GND5 -
52 SHWB INPUT
53 SHSV INPUT
54 VCC6 -
55 OPCTRG INPUT
56 SHAPCRE INPUT
57 SHPCW INPUT
58 ROPC1 INPUT
59 ROPC2 INPUT
60 WLDON INPUT
61 RLDON INPUT
62 SGND -
63 SCFCK INPUT
64 EQCK1 INPUT
65 EQCK2 INPUT
66 GND6 -
67 RST INPTU
68 SCK INPUT
69 SO OUTPUT
70 SI INPUT
71 CP INPUT
72 VCC33 OUTPUT
73 CWAGC -
74 CWHP -
75 WOBBLE OUTPUT
76 AWOBBLE OUTPUT
77 MONI2 OUTPUT
78 VCC7 -
79 TEC OUTUPT
80 TECIN INPUT
Description
Analog power.
Wobble circuit [A+D] signal output.
Wobble circuit [B+C] signal output.
Analog GND
DAC reference voltage output.
Digital power.
[B+C] signal input.
[A+D] signal input.
RLPP circuit bottom hold condenser connecting port.
RLPP circuit bottom hold condenser connecting port.
Analog GND
Sample hold pulse input for Wobble signal.
Sample hold pulse input for Servo signal.
Digital power.
OPCTRG signal input.
Sample hold pulse input for Read/Erase ALPC.
Sample hold pulse input fot Write ALPC.
Sample hold pulse input 1 for WRF signal.
Sample hold pulse input 2 for WRF signal.
Write ALPC Center signal input.
Read ALPC Center signal input.
Sub straight GND.
SCF clock input.
Fixed clock input.
Equalize automatic control clock input.
Analog GND
Register reset input.
Register setting clock input.
Serial data output.
Serial data input.
Address
Power voltage [3.3V monitor].
Wobble circuit AGC response time setting condenser connecting port.
Wobble circuit HPF band setting condenser connecting port.
Wobble signal output [Digital signal].
Wobble signal output [Analog signal].
Internal signal monitor port.
Digital power.
Tracking zero cross signal output.
Tracking zero cross signal input.
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