Read Sharp CD-MD3000 (serv.man25) Service Manual online
– 101 –
CD-MD3000H/CD-MD3000W
1
RF1
RF signal input terminal 1. Input of RF signal output of pickup
2
RF2
RF signal input terminal 2. Input of RF signal output of pickup
3
RF3
RF signal input terminal 3. Input of RF signal output of pickup
4
RF4
RF signal input terminal 4. Input of RF signal output of pickup
5
REFI
Reference voltage amplifier input terminal
6
REFO
Reference voltage amplifier output terminal
7
AOUT
Output terminal 1 of signal amplifier for servo (focus servo system)
8
ASW
Output terminal 2 of signal amplifier for servo (focus servo system)
9
AIN
Reverse input terminal of signal amplifier for servo (focus servo system)
10
BIN
Reverse input terminal of signal amplifier for servo (focus servo system)
11
BSW
Output terminal 2 of signal amplifier for servo (focus servo system)
12
BOUT
Output terminal 1 of signal amplifier for servo (focus servo system)
13
EOUT
Output terminal 1 of signal amplifier for servo (tracking servo system)
14
ESW
Output terminal 2 of signal amplifier for servo (tracking servo system)
15
EIN
Reverse input terminal of signal amplifier for servo (tracking servo system)
16
FIN
Reverse input terminal of signal amplifier for servo (tracking servo system)
17
FSW
Output terminal 2 of signal amplifier for servo (tracking servo system)
18
FOUT
Output terminal 1 of signal amplifier for servo (tracking servo system)
19
EOUT
Output terminal 1 of signal amplifier for servo (tracking servo system)
20
BOUT
Output terminal 1 of signal amplifier for servo (focus servo system)
21
AOUT
Output terminal 1 of signal amplifier for servo (focus servo system)
22
TCGO
Group mode: Track cross detection signal amplifier output terminal
23
TCGI
Group mode: Track cross detection signal amplifier input terminal
24
RFADD
Resistance addition output terminal of RF1 - RF4
25
DTEMP
Chip temperature detection terminal
26
SGAIN
Switch section control terminal of amplifier for servo
27
DISC
Pit mode, groove mode selecting control terminal
28*
OPICPW
Power output terminal for OPIC
29
VCC2
Power supply terminal of digital section and power section
30*
WBO
Comparator output terminal for binary coded ADIP signal
31
GND2
GND terminal of digital section and power section
32
ADIPO
ADIP signal preamplifier output terminal
33*
ADIPNF
ADIP signal AGC amplifier output terminal
34
ADAGC
Smoothing capacitor connection terminal for ADIP signal AGC
35
ADAGI
ADIP signal AGC amplifier input terminal
36
2-1
Differential signal of RF1, RF2
37
EFMO
RF signal AGC amplifier output terminal
38
DCNF
Smoothing capacitor connection terminal for RF signal AGC amplifier reference voltage
39
EFMAGC
Smoothing capacitor connection terminal for RF signal AGC
40
VCC1
Analog section power supply terminal
41
BIAS
Bias input terminal
42
GND1
Analog section GND terminal
43
NIN
RF signal AGC amplifier reverse input terminal
44
PITG
Pit mode: Ground terminal
45
3 + 4
Groove mode: Resistance addition output terminal of RF3 and RF4
46
PIN
RF signal AGC amplifier non-reverse input terminal
47
1 + 2
Groove mode: Resistance addition output terminal of RF1 and RF2
48
1234
Pit mode: Resistance addition output terminal of RF1 - RF4
IC1101 VHiiR3R58M/-1:RF Signal Processor (IR3R58M)
Pin No.
Function
Terminal Name
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Click on the first or last page to see other CD-MD3000 (serv.man25) service manuals if exist.