Kenwood X92-3770-00, Руководство по обслуживанию

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MICROCOMPUTER'S TERMINAL DESCRIPTION
3
X92-3770-00,0-01/X92-3780-00,0-01
COMPONENT DESCRIPTION
IC1
IC2
IC4
IC5
IC8
IC9
IC11
IC12
Q1
Q2
Q3
Q7
Q10
Q12
Q13
CXA2523AR
CXD2659R
LA6552
NJM4565MD
LP2982-3.3
TC74HCT7007AF
78015FYGC-R08
S-24C01B
2SA1362(Y)
DTA114EUA
2SC4116(Y)
MCH6101
2SA1576A
DTC143EUA
2SA1576A
RF matrix amp.
Digital signal processor
5ch BTL driver
LPF
3.3V AVR
CMOS buffer
MD mechanism MI-COM.
E2PROM
APC
LD SW
Disc reflection detection
3.3V AVR
A 8VSW
P ON 5V SW
RF amplifier (pit and groove switching, AGC, EQ), gain switching
I-V amplifier.
Amplification of the light intensity signal output, peak hold output,
bottom hold output, FE output, TE output, SE output, ADIP binary
output, VREF output and APC PD
EFM decording, EFM digital PLL, ACIRC decording, auto link pro-
cessing, ADIP decording.
Digital servos (focusing, tracking, sled, spindle CLV).
ATRAC decording, 1bit D/A, analog post-filtering, memory control.
Drives actuators and motors, +3.3V REGULATOR
Third active filter
D/A audio +B
Level shifting from 3.3V to 5.0V
Servo control, memory control, system control and interfacing
Servo coefficients and servo adjustment data backup memory
Laser power control.
On at base"L" while laser is OFF.
On when focusing point is passed during upward search.
Servo +B
Analog 8V power supply.
On at base"L"
Ref. No. Component Name Application/Function Operation/Condition/Compatibility
MD PLAYER UNIT (X33-3040-00/0-01)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
"H" turns normal test mode ON.
"L": 200ms, "H": 300ms
"L": 2655R, 2652AR, "H": 2655BR, 2654R
"H" turns special test mode ON.
"H" turns external input mode ON.
75% or more remains at "H"
IVR-TBAL auto align bus at "H"
AGC auto align bus at "H"
Error count mode at "H"(When it's in text mode)
Reverse polarity at "H".
"H" turns 16M bit operation (fixed on RESET)
"L" when innermost limit is detected.
During 2652AR : ON at "H", during 2654R : ON at "L"
Active : "L"
Latch at falling edge
Test mode input 0
Groove area jump time selection input
Destination selector 2
Test mode input 3
E2PROM external input test mode
Test mode memory remainder output
OPEN
OPEN
No auto align mode input
No auto align mode input
C1 error count mode input
GND
Internal status input from DSP LSI
DAC output polarity reversal input
DRAM size selection input
Pickup innermost limit detection
OPEN
OPEN
OPEN
De-emphasis output to external DAC
Reset output to DSP LSI and servo driver IC
Latch output to DSP LSI
OPEN
Pin No.
Microprocessor : 78015FYGC-R08 (X33 : IC11)
Description Processing Operation
I
I
I
I
I
O
O
O
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
I/O
TEST0
JTIME
TYPE2
TEST3
TESTE
M REM
NC
NC
VSS
IVRTBAL PASS
AGC PASS
C1 COUNT
NC
SENS
AUDIO INV
4M/16M
LIMSW
NC
NC
NC
DEEM
XRST
XLAT
VSS
NC
Pin Name
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9 9
2
8 9
4 2
9 8
TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299