3-24
3-25
5. SMPS Block Diagram
FUSE
(F101)
NOISE FILTER
BLOCK
(C101,L102,
L101, C102)
SNUBBER
BLOCK
(D103,C115,C116
,R112,R115)
DRIVE & S/W BLOCK
(IC104, D104, R113,
C117,C114,C119,
ZD102)
BD101
R101
Y-CAP
C110
Y-CAP
C111
+
BR BL
(BK)(WH)
2.5V
3.3V
TO DVD
(P1M01)
C103
12V
5.0V
TO LOADER
(P1D01)
TO I/O
(P1701)
!
!
!
!
5.3VA
5VD
12V
33VT
12VT/12VA
PWR CTL ëHí
TIMER ëHí
5.0VD
SNUBBER
BLOCK
(D101,C105
C106,R103)
DRIVE & S/W BLOCK
(IC101, D102, R105,
C107,C109,R109,
C108,C112,ZD103)
T101
T102
!
!
PHOTO COUPLER
(IC102)
ERROR AMP
(IC103)
FEED-BACK
BLOCK
R121,R122,
C121,R123.
R124.R125
R126)
!
RECTIFIER &
SMOOTING BLOCK
(D128,C133,R107
R128,R129)
RECTIFIER &
SMOOTING BLOCK
(D127,C131,L125,C132)
RECTIFIER &
SMOOTING BLOCK
(D125,C139,L127,C140)
RECTIFIER &
SMOOTING BLOCK
(D124,C129)
RECTIFIER &
SMOOTING BLOCK
(D123,C126)
RECTIFIER &
SMOOTING BLOCK
(D122,C123,L123,C125)
PHOTO COUPLER
(IC105)
ERROR AMP
(IC106)
FEED-BACK
BLOCK
R131,R132,
C141,R133.
R161.R162
R163)
!
12V REG & S/W Block
(IC158,R158,C156)
1.8V
7.2V
TO I/O
(P1T01)
RECTIFIER &
SMOOTING BLOCK
(D130,C137,R146)
5.0V REG & S/W Block
(IC151,R152,C151)
1.8V REG & S/W Block
(IC160,R159,C152,
R151,R153)
3.3V REG & S/W Block
(IC154,R167,C167,R154)
RECTIFIER &
SMOOTING BLOCK
(D126,C136)
RECTIFIER &
SMOOTING BLOCK
(D121,C122,L121,C124)
12V REG & S/W Block
(IC153,R147,C128)
5.0VD S/W Block
(Q124,R140,R135,R136
D134,C134)
33V S/W Block
(Q123,R143,R134)
TIMER ëHíBlock
(Q125,R156,R157)
PWR CTL Block
(Q126,R164,R165)
2.5V REG & S/W Block
(IC152,R155,C155)
3.3V
5VT
FD(-)
FD(+)
-26VA
12VT REG & S/W Block
(IC156,R150,C153)
5.0VT S/W Block
(Q120,R142,R144
R145,C120)
Summary of Contents for 7823W
Page 41: ...3 42 3 43 2 E5 BGA POWER UART2_RS232C CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 45: ...3 50 3 51 A B C D E F G H I J K L M N O P Q R S T 6 VIDEO DECODER IO JACK CIRCUIT DIAGRAM ...
Page 46: ...3 52 3 53 7 ATAPI 1 2 MEMORY CARD I O CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 47: ...3 54 3 55 8 JACK CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 48: ...3 56 3 57 9 I O µ COM CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 49: ...3 58 3 59 10 TUNER MPX ADC DAC JACK CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 50: ...3 60 3 61 11 KEY CIRCUIT DIAGRAM 5 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Page 51: ...12 KEY CIRCUIT DIAGRAM 6 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T 3 62 3 63 ...
Page 52: ...3 64 3 65 13 KEY CIRCUIT DIAGRAM 8 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Page 53: ...14 KEY CIRCUIT DIAGRAM 9 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T 3 66 3 67 ...
Page 54: ...3 68 3 69 15 TIMER CIRCUIT DIAGRAM 5 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Page 55: ...3 70 3 71 16 TIMER CIRCUIT DIAGRAM 6 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Page 56: ...3 72 3 73 17 TIMER CIRCUIT DIAGRAM 8 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Page 57: ...3 74 3 75 18 TIMER CIRCUIT DIAGRAM 9 TOOL ONLY A B C D E F G H I J K L M N O P Q R S T ...
Page 62: ...3 84 3 85 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE LOCATION GUIDE ...
Page 63: ...3 86 3 87 LOCATION GUIDE 2 MAIN P C BOARD BOTTOM SIDE ...
Page 64: ...3 88 3 89 3 I O P C BOARD TOP VIEW BOTTOM VIEW 4 JACK P C BOARD ...
Page 65: ...3 90 3 91 6 POWER P C BOARD LOCATION GUIDE BOTTOM VIEW 5 HDD P C BOARD TOP VIEW ...
Page 67: ......
Page 87: ...4 20 9 LASER TURN ON SIGNAL F LIC502 PIN 52 LDEN DVD LCN201 PIN17 VRDC LCN201PIN 34 ...
Page 102: ...4 35 2 Disc Specification 3 Disc Materials 1 DVD ROM Single Layer Dual Layer ...
Page 122: ...4 55 4 56 CIRCUIT DIAGRAMS 1 RF CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 123: ...4 57 4 58 2 DSP CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 124: ...4 59 4 60 3 µ COM CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Page 126: ...4 63 4 64 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...