M62475FP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC
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M62475FP Datasheet PDF : 19 Pages
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MITSUBISHI SOUND PROCESSOR ICs
M62475FP
AUTOMATIC ADJUSTMENT CD PREAMPLIFIER SERVO CONTROLLER
PIN CONFIGURATION (TOP VIEW)
A1
B2
C3
E4
F5
SGT 6
TE - 7
TEG 8
TG1SW 9
TE OUT 10
TC/SHOCK 11
TS + 12
TG2SW 13
TS - 14
TS OUT 15
SS + 16
SS - 17
SS OUT 18
DETFIL 19
BIAS 20
GND 21
42 ABC
41 HFI
40 HFO
39 MRC
38 APC OUT
37 APC -
36 APC +
35 CFSR
34 SGF
33 FE -
32 FEG
31 FS -
30 FSOUT
29 VCC
28 RIREF
27 CLPF
26 DOUT
25 MSD
24 MCK
23 JP1/SG
22 MLA/DIS
Outline 42P2R-A
BUILT-IN FUNCTION
• IV amplifier
• HF amplifier:HF (High Frequency Amp.)
• Focus Error Amplifier:FE (Focus Error Amp.)
• Focus Servo Amplifier:FS (Focus Servo Amp.)
• Tracking Error Amplifier:TE (Tracking Error Amp.)
• Tracking Servo Amplifier:TS (Tracking Servo Amp.)
• Sledge Motor Servo Amplifier:SS (Sledge Servo Amp.)
• Switching Circuit for Jump Brake:
TG1SW, TG2SW (Tracking Gain SW)
JF SW, JR SW (Jump Forward/Reverse SW)
SF SW, SR SW (Sledge Forward/Reverse SW)
• Focus Search Circuit
Search Signal Generator
FSOK Detector
• Track Cross Detector: TC Det (Track Cross Detector)
• Shock Detector: SC Det (Shock Detector)
• Logic Controller:
Serial Data Command Interface
Jump, Brake, Focus Search Control
Adjustment Control
• Vcc/2 generation circuit
• Auto Laser Power Control: APC (Automatic laser Power Control)
• HF Bottom Level Detector
• MR Detector
• Automatic Adjustment Circuit
Tracking balance adjustment circuit
Tracking gain adjustment circuit
Focus gain adjustment circuit
Gain adjustment signal generation and phase detection circuit
IC INTERNAL BLOCK DIAGRAM
CONSTANT
FOR
FE
FS
CONSTANT
FOR
HF
CONSTANT
APC
FOCUS REVERSE REVERSE POWER ADJUSTMENT DATA
JP1
REVERSE INPUT FOR MIRROR REVERSE INPUT SEARCH INPUT
INPUT SUPPLY
FILTER INPUT INPUT
APC NON-
ABC
HF
APC REVERSE SGF FE GAIN
FS REFERENCE DATA CLOCK
OUTPUT OUTPUT OUTPUT INPUT OUTPUT CONTROL OUTPUT CURRENT OUTPUT INPUT
LATCH
INPUT
42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
MR
MIRROR
HF
AMPLIFIER
10k 10k 4.7k
APC
FOCUS
SEARCH
2.2k
22k
FS
SW
FS
AMPLIFIER
12k
ADJUST
I/F
RESET
220k
220k A-B
FE
AMPLIFIER
47k 56k
220k
TC/SHOCK DET
47k
47k
39k 39k 18k
220k
TE
AMPLIFIER
TG1
SW
100k
2.2k
TG2
47k SW
22k
JF JR
SW SW
SS
SW
TS 22k
AMPLIFIER
SF SR
SW SW
BIAS
(COM)
VCC/2
SS
AMPLIFIER
A B C EF
TS1
47k
SW
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
B
E
SGT TE GAIN
TE
TS NON-
TS
SS NON-
SS
REFERENCE
INPUT INPUT OUTPUT CONTROL OUT REVERSE REVERSE REVERSE OUTPUT VOLTAGE
INPUT
INPUT
INPUT
INPUT
A
C
F TE REVERSE
TG1 TC/
TG2
TS
SS CONSTANT FOR
GND
INPUT INPUT INPUT INPUT
SW SHOCK
SW
OUTPUT REVERSE ADJUSTMENT
INPUT
FILTER
MITSUBISHI
ELECTRIC
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