3
3
SET BLOCK DIAGRAM
Electric Selector & Volume
PT231 3
Pre-Amp
RC455 8
Pre-Amp
RC455 8
LCD Display
P0.3/T0OUT/T0PWM
I/O Port and Interrupt Control
SAM88RC Core
48K-byte
ROM
2064-byte
Register File
Port 8
Low Voltage
Reset
P3.3/SI0
AMIF
AVDD
P8.0/SEG7
P8.1/SEG6
P8.2/SEG5
P8.3/SEG4
P8.4/SEG3
P8.5/SEG2
P8.6/SEG1
P8.7/SEG0
LVREN
8-Bit Timer/
Counter0
P0.2/T0CAP
P0.1/T0CLK
8-Bit Timer/
Counter1
P0.4/T1CLK
P0.5/T1OUT
16-Bit Timer/
Counter2
P0.6/T2CLK
P0.7/T2OUT
SIO 1
P3.4/SCK1
P3.5/SO1
P3.6/SI1
Basic Timer
Watchdog
Timer
Watch Timer
P3.0/BUZ
LCD Driver/
Controller
COM0-3
P8.7-P4.0/SEG0-39
BIAS
VLC0-VLC2
PLL
Synthesizer
VCOAM
VCOFM
EO0/EO1
IF Counter
FMIF
8-Bit ADC
P2.0-P2.3/AD0-AD3
XIN
XOUT
OSC
SIO 0
P3.1/SCK0
P3.2/SO0
Port 7
Port 6
Port 5
Port 4
P4.0/SEG39
P4.1/SEG38
P4.2/SEG37
P4.3/SEG36
P4.4/SEG35
P4.5/SEG34
P4.6/SEG33
P4.7/SEG32
Port 3
P3.0/BUZ
P3.1/SCK0
P3.2/SO0
P3.3/SI0
P3.4/SCK1
P3.5/SO1
P3.6/SI1
P3.7
Port 2
P2.0/AD0
P2.1/AD1
P2.2/AD2
P2.3/AD3
P2.4
P2.5
P2.6
P2.7
Port 1
P1.0/INT0
P1.1/INT1
P1.2/INT2
P1.3/INT3
P1.4/INT4
P1.5/INT5
P1.6/INT6
P1.7/INT7
Port 0
P0.0
P0.1/T0CLK
P0.2/T0CAP
P0.3/T0OUT/T0PWM
P0.4/T1CLK
P0.5/T1OUT
P0.6/T2CLK
P0.7/T2OUT
RESET
P1.0-P1.7/
INT0-INT7
CE
TEST1
TEST2
TEST3 VDD
VDDPLL0
VDDPLL1
VSS
VSSPLL
P5.0/SEG31
P5.1/SEG30
P5.2/SEG29
P5.3/SEG28
P5.4/SEG27
P5.5/SEG26
P5.6/SEG25
P5.7/SEG24
P6.0/SEG23
P6.1/SEG22
P6.2/SEG21
P6.3/SEG20
P6.4/SEG19
P6.5/SEG18
P6.6/SEG17
P6.7/SEG16
P7.0/SEG15
P7.1/SEG14
P7.2/SEG13
P7.3/SEG12
P7.4/SEG11
P7.5/SEG10
P7.6/SEG9
P7.7/SEG8
MCU
DSC-7900E
LCD Driver
P 6523
T
IN1
MUTE
ST-BY
IN2
OUT1+
OUT1-
OUT2+
OUT2-
PW-GND
IN3
IN4
OUT3+
OUT3-
OUT4+
OUT4-
PW-GND
PW-GND
AC-GND
SVR
TAB
S-GND
Vcc1
Vcc2
N.C.
Power Amplifier
TDA7386
PW-GND
F/ L
F/ R
R/R
R/L
LCD Data
LCD Clock
LCD CE
Mute
Line-Output
R/R
R/L
F/ L
F/ R
R/R
R/ L
F/ L
F/ R
R/ R
R/ L
Tuner Module
CET-7001
Tuner R
Tuner L
4
12
RF AGC & EQ
Control
F ocus OK Detect
Defect Detect Mirror
G en
Center
Voltage
APC. Laser
Control &
LPC
Trac king Servo Loop
- Gain & P hase
Compensation
- Track J um p
- Offset Adjus t
- T ZC G en.
Tracking Error
(RW )
I/V AMP
RF & F ocus
E rror (CD-RW )
I/V A MP
Hardware Logic
- Auto-Sequencer
- F ast Search
- F ebias , Focus Servo,
Tr acking Offset A DJ .
- Tracking Balance & Gain
A djust
- Interruption Detec t
- EF M Muting S ystem
S led Servo &
Kick G en
Spindle
S erv o LPF
E FM
Comparator
Micom Data Interface Logic Decoder
Focus Servo Loop
- Gain & P hase
Compensation
- F ocus Search
- O ffset Adjus t
- F ZC G en.
E QO
PD
LD
LPFT
TEIO
TZ C&
SST OP
ATS C
TEO
TE M
SLP
SLO
SLM
FEO
FE M
SPDLO
SPDLM
5
45
46
44
43
6
7
8
9
10
11
14
13
15
16
17
19
18
20
22
21
24
23
30
29
25
26
27
28
29
36
33
34
35
37
38
39
41
40
42
47
48
1
2
3
EF MI
DCC I
DCC0
M CP
DCB
VCC/
VDD
FRSH
F SET
F LB
FG D
F SI
TG U
RF Amplifier & Servo System
S1L9226
Subco de Sync
Subco de_Q Data
Internal Status
Sub code_ Q Clock
MCU D ata
MCU C lock
MCU L atch
System Reset
MCU L atch
MCU Data
MCU Clock
MCU Latch
System Reset
In ternal Stat us
EMF output
Sled run away inhibit
88.2KHz input terminal
Lev el
shift
Regulator
Mute
+
10k
10k
50k
10k
10k
1
2
3
4
5
6
8
9
10
11
12
13
15
16
17
18
19
20
21
22
23
24
25
26
27
28
10k
TSD
+
Level
shift
Level
shift
Level
shift
10k
10k
10k
10k
10k
+
+
7
14
+
COMP
Lev el
s hift
FIN
(GND)
FIN
(GND)
2. 5V
Servo Driver
IP4001
Pick Up
OPTIMA-725 C2
Focus Output
Tracking Output
Focus Output
Tracking Output
Power Supply
DC 11~16V
Gro und
DC 3.3V
DC 3.3V
DC 8V
DC 8V
MCU DC 5V
MCU DC 5V
MCU D C 5V
ACC
RDS DC 5V
DC 11~16V
Tuner Power
Controlled Power
Tuner Power
Key Matrix
CD D ESP
S5L9291
DPLL
CLV
Servo
LOCK
SMEF
SMON
SMDP
SMDS
WDCK
TESTV
LOCK
SMEF
SMON
SMDP
SMDS
WDCK
EFMI
VCO1LP
VCO2LP
Timing
Generator
Micom
Interface
WFCK
RFCK
C4M
XIN
ISTAT
MLT
MDAT
MCK
MUTE
Subcode
Out
EFM
Demodulator
ECC
16K
SRAM
Address
Generator
SQCK
SBCK
SOS1
SQDT
SBDT
Interpolator
I/O
Interface
Encoder
Decoder
DRAM
Interface
JITB
LPF
PWM
AD9 - AD0
D3 - D0
CAS1 - CAS0
RAS
WE
LCHOUT
RCHOUT
VHALF
VREF
1-bit
DAC
Digital
Out
Digital
Filter
C2PO
DATX
CD-ROM Decoder
DAC I/F
Memory Management Unit
Host Interface
Host MCU
DRAM Controller
4M x 4 bits DRAM
ckgUnit
DSP
MP3 Decoder
S5L9276
16M DRAM
C2 Pointer Input
Data from DSP
BC LK from DSP
LRCK from DSP
Data to DSP
Audio C lock to DSP
BC LK to DSP
LRCK to DSP
Data to MCU
Interrupt to MCU
MCU Data
MCU Clock
MCU Latch
Syst em Reset
......
DC 3.3V
Содержание CMR500
Страница 13: ...2 2 DISMANTLING INSTRUCTIONS 2 2 Service Position A Service Position B Service Position C Service Position D ...
Страница 15: ...4 4 SET WIRING DIAGRAM ...
Страница 16: ...6 1 6 1 SERVO BOARD TABLE OF CONTENTS Circuit Diagram 6 2 PCB Layout 6 3 6 4 Electrical Parts List ...
Страница 17: ...6 2 6 2 SERVO BOARD CIRCUIT DIAGRAM ...
Страница 18: ...6 3 6 3 SERVO BOARD LAYOUT DIAGRAM TOP VIEW SERVO BOARD LAYOUT DIAGRAM BOTTOM VIEW ...
Страница 20: ...8 1 8 1 EXPLODED VIEW MAIN UNIT ...
Страница 22: ...www mobiteh com ...