3-96
Pin description
No.
Pin Name
Type
Description
1
GND0
-
Analog GND
2
SWRF1
OUTPUT
WRF signal sampling & hold [S/H] signal output.
3
SWRF1
OUTPUT
WRF signal sampling & hold [S/H] signal output.
4
RFP
INPUT
RF differerential ] input.
5
RFN
INPUT
RF differerential signal[-] input.
6
GND1
-
Analog GND
7
A1
INPUT
Main beam signal [A1] input.
8
B1
INPUT
Main beam signal [B1] input.
9
C1
INPUT
Main beam signal [C1] input.
10
D1
INPUT
Main beam signal [D1] input.
11
VCC2
-
Analog power.
12
REFI2
INPUT
Reference voltage input pin for PDIC.
13
REFO1
OUTPUT
Pick-up internal reference voltage output[at REFI pin 2.5V: 2.25V output.]
14
E1
INPUT
Sub beam signal [E1] input.
15
F1
INPUT
Sub beam signal [F1] input.
16
G1
INPUT
Sub beam signal [G1] input.
17
H1
INPUT
Sub beam signal [H1] input.
18
GND2
-
Analog GND
19
FOP
INPUT
FO+ signal input for Focus.
20
FOM
INPUT
FO- signal input for Focus.
21
GND3
-
Analog GND
22
HPAD
-
Wobble circuit HPF band setting condenser connecting port.
23
CAD
-
Wobble circuit AGC response time setting condenser connecting port.
24
HPBC
-
Wobble circuit HPF band setting condenser connecting port.
25
CBC
-
Wobble circuit AGC response time setting condenser connecting port.
26
VCC3
-
Analog power.
27
PDIN
INPUT
Laser monitor current input.
28
FPDVREF
INPUT
Reference voltage input pin for front monitor.
29
APCPH
-
Peak-hold condenser connecting pin for ALPC .
30
RREF
-
Read ALPC Condenser connecting port.
31
RLD
OUTPUT
Read Laser drive control output.
32
RLDM
INPUT
Read Laser drive control Amp[-] input.
33
WREF
-
Write ALPC Condenser connecting port.
34
WLD
OUTPUT
Write Laser drive control output.
35
WLDM
INPUT
Write Laser drive control Amp[-] input.
36
PELD
OUTPUT
Pick power output port1.
37
P2LD
OUTPUT
Pick power output port 2.
38
CREG
OUTPUT
Regulater voltage[2.5V] output.
39
REF1
INPUT
DSP power voltage input[2.5V].
40
REFO2
OUOTPTU DSP Reference voltage output [at REFI port 2.5V: 1.5V output].
Summary of Contents for RH4820W
Page 40: ...3 41 3 42 2 E5 BGA POWER UART2 CIRCUIT DIAGRAM E5 BAG POWER UART2 ...
Page 43: ...3 47 3 48 5 1394 ETHERNET CONNECTOR CIRCUIT DIAGRAM 1394 ETHERNET CONNECTOR ...
Page 44: ...3 49 3 50 VIDEO IN OUT 6 VIDEO IN OUT CIRCUIT DIAGRAM ...
Page 45: ...3 51 3 52 7 AUDIO IN OUT CIRCUIT DIAGRAM AUDIO IN OUT ...
Page 46: ...3 53 3 54 8 I O MICOM CIRCUIT DIAGRAM SR17208A I O MICOM ...
Page 47: ...3 55 3 56 9 TUNER VIDEO IN OUT CIRCUIT DIAGRAM SR17209A TUNER VIDEO IN OUT 3 9K 3 9K ...
Page 48: ...3 57 3 58 10 FRONT CIRCUIT DIAGRAM HDD VDR_FRONT ...
Page 54: ...3 69 3 70 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE LOCATION GUIDE ...
Page 55: ...3 71 3 72 2 MAIN P C BOARD BOTTOM SIDE LOCATION GUIDE ...
Page 57: ...3 75 3 76 5 FRONT P C BOARD LOCATION GUIDE 6 KEY P C BOARD ...
Page 58: ...3 77 3 78 7 POWER P C BOARD LOCATION GUIDE ...
Page 88: ...3 108 4 IC302 uPD76f0047 MICOM Pin Assignment ...
Page 110: ......
Page 112: ...3 132 3 133 2 DSP CIRCUIT DIAGRAM No Power No operation DSP IC RESET IC SDRAM R259 0Ω ...
Page 114: ...3 136 3 137 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...