4-36
DESCRIPTION OF CIRCUIT
2. FOCUS/TRACKING/SLED SERVO CIRCUIT
2-1. FOCUS, TRACKING & SLED SERVO PROCESS
OPU
PDIC
S-DPWM 10bit
100/50 MHz
S-DPWM 10bit
100/50 MHz
ADC
INT
R
On/Off
BD7956
Drive IC
AN221
13
FEP
R
On/Off
16 bit
Ti
m
e
r
RFOUT
T
rack
Focus
Internal u-P(F/W)
Need to change to 16bit
MN103SA6G
MECHANISM
Summary of Contents for DR165
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Page 58: ...3 66 3 67 2 MAIN P C BOARD BOTTOM SIDE ...
Page 59: ...3 68 3 69 3 I O P C BOARD TOP VIEW BOTTOM VIEW 4 JUNCTION P C BOARD TOP VIEW BOTTOM VIEW ...
Page 77: ...4 17 2 DISC SPECIFICATION 3 DISC MATERIALS 1 DVD ROM Single Layer Dual Layer ...
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Page 104: ...4 44 4 45 2 RF CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 105: ...4 46 4 47 3 DRIVE CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
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