Sanyo HV-DX1E - Page 126

3-20 3-21
BLOCK DIAGRAMS
1. POWER(SMPS) BLOCK DIAGRAM
4
3
12
TO SYS
FD(+)
FROM µ-COM
STAND BY 'H'
TO SYS
FD(-)
TO SYS
-27VA
TO DRUM MOT
12VA
TO CAP MOT
12VA
TO DVD/Hi-Fi
REG 12VT
TO DVD
8VA
TO DVD
3.3V
TO DVD
2.5V
TO TUNER
33V
TO AVCP
REG 5VT
TO SYS/Hi-Fi/Tu
5.2V
TO DVD
5V
FROM µ-COM
PWR CTL 'H'
TO SYS/Hi-Fi/Tu
5.3VA
DRIVE & S/W BLOCK
OVER CURRENT LIMIT
BLOCK
(IC101,BD01,D102,R105,
C108,R107,C107,C109)
FROM µ-COM
TIMER 'H'
LINE FILTER
BLOCK
(C101, L102, C102)
BD101
C103
V101
1
2
218
17
16
15
14
13
12
11
5
8
3
10
F102
4
3
IC105
D117
IC102
PW101
BR
(BK)
HOT CIRCUIT
BL
(WH)
F101
C110 C111
HOT GND
R101
SNUBBER
BLOCK
(D101, R104,
C105, C106)
RECTIFIER &
SMOOTHING
(D107, C121, ZD101)
RECTIFIER &
SMOOTHING
(D108, D110, C130,
C122, C123, L122,
C126)
RECTIFIER &
SMOOTHING
(D111, C127,
L123, C128)
RECTIFIER &
SMOOTHING
(D112, L124,
C129, C131)
FEED-BACK
BLOCK
(R112, R113, C133,
R114, R115, R116,
R117)
5V REG
BLOCK
(Q117, ZD105, C162,
C158, R167)
8VA REG
BLOCK
(D114, IC106, C154)
12VA REG
BLOCK
(Q112,ZD103,C151,
C152,R153)
3.3V REG
BLOCK
(IC103, C153)
2.5V REG
BLOCK
(IC104, C159, D119)
S/W BLOCK
(Q110, Q111,
R151, R152)
RECTIFIER &
SMOOTHING
(D113, R119, C132)
33V S/W
BLOCK
(Q114, R154, R155)
PWR CTL
BLOCK
(Q115,R163,R164,
R171,C161)
TIMER CTL
BLOCK
(Q118,R168)
5.2V BLOCK
(R160, Q116, R161,
R162, D122, C156)
5V BLOCK
(R157, Q113, R158,
R159, D121, C155)
!
!
!
!
!
!
NOTES : Symbol denotes AC ground.
Symbol denotes DC chassis ground.