Grundig GDV 200 Service Manual page 59

GDV 200
Blockschaltplan / Block Circuit Diagram – DVD-Monoboard
LOADER VAL3000
CDM
OPU
CD-LASER
DVD-LASER
FLEX 24P
FOCUS
RADIAL
DISK MOTOR
M
FLEX 11P
HALL
SLEDGE MOTOR
M
FLEX 8P
HALL
TRAY MOTOR
M
END-SWITCH
4-WIRES
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
DVD-MONOBOARD SERVO PART
DIAGRAM
SIGNAL PROCESSOR
LASER SUPPLY
DVDALAS2
TZA1023
Diode
Amplifiers
Processing
DVD
4
1101
DPD
6
Push Pull
Land/Groove
Swap
Offset
CD
compensations Mute
6
3 Beam
Tracking
2 4
+5 GND
4
V & I references
Dual Laser
Supply
FTC comp.
Laser#1
Serial
Laser#2 I/Face
1301
1102
PCS-PRE-AMPL
7104
LM833D
2
4
2
DRIVERS
7103
BA5938FM
SLEDGE
2
RADIAL
4
FOCUS 5
1100
TRAY1
TRAY2
4
1
GDV 200
1 DIAGRAM 3
DECODER
7102
RFo
Header
Land
Servo
Signals
D1-D6
FTC
MOTOR-IC
7304
BA6856FP
SILD
TACHO-OUT
SICL 3
MOTO-IN
1
DRIVE
HALL-FEEDBACK
7200
CONTROL
ADC
LINES
uP (8051 CORE)
SERVO
MACE2
SAA7399
AD[0:7]
PHI-INPUT
PCS
REF
A[8:16]
TXD_BE
SERVO OUTPUTS RXT_BE
CFR
SUR
TRAY-SWITCH
8.46 MHz
4 - 5 GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Reference – 1B............................4-17 DVD-Monoboard ........4-25
Oscillograms...............4-43 – 2 .............................4-19 – 1 .............................4-29
A/V-MUX Board ..........4-13 Keyboard Control ..4-21/23 – 2 .............................4-31
– 1A............................4-15 – 3 .............................4-33
MEMORY
7310
S-RAM
132K
CY7C199-15C
8 15 1
7311
RF-IN
DECODER
B_V4
HD61
TO STi5505 ON DIAGRAM
I2S
B_SYNC
SAA7335HL/E/M2
6 BLOCKDIAGRAM DIGITAL PART
B_FLAG
B_DATA
B_BCLK
B_WCLK
AD[0:7]
6 MHz
DIAGRAM 2
SERVO
FLASH ROM
7202
PSENN
A[0:16]
AD[0:7]
AM29F002
ADRESS LATCH
7201
AD[0:7]
A[0:7]
74HCT573D
TO STi5505 ON DIAGRAM
S2B
BLOCKDIAGRAM DIGITAL PART
4
4229_136
9936
– 4 .............................4-35
– 5 .............................4-37
– 6 .............................4-39
Power Supply ..........4-9/11
5
5
4 - 6