Sanyo HV-DX1E Service Manual page 126

BLOCK DIAGRAMS
1. POWER(SMPS) BLOCK DIAGRAM
R101
BD101
3
1 2
4
C103
!
LINE FILTER
BLOCK
(C101, L102, C102)
!
V101
!
F101
PW101
C110
!
BR BL
(BK) (WH)
NOTES : Symbol denotes AC ground.
Symbol denotes DC chassis ground.
SNUBBER
BLOCK
8
(D101, R104,
C105, C106)
5
DRIVE & S/W BLOCK
OVER CURRENT LIMIT
BLOCK
3
(IC101,BD01,D102,R105,
C108,R107,C107,C109)
2
HOT GND
4
C111
3
IC105
!
! IC102
HOT CIRCUIT
RECTIFIER &
10
F102
SMOOTHING
(D107, C121, ZD101)
11
12 RECTIFIER &
SMOOTHING
13
(D108, D110, C130,
C122, C123, L122,
C126)
14
RECTIFIER &
15
SMOOTHING
(D111, C127,
L123, C128)
16
RECTIFIER &
SMOOTHING
17
(D112, L124,
C129, C131)
RECTIFIER &
SMOOTHING
18
(D113, R119, C132)
FEED-BACK
1
BLOCK
(R112, R113, C133,
R114, R115, R116,
R117)
2
3-20 3-21
TO SYS
FD(+)
S/W BLOCK
(Q110, Q111,
FROM µ-COM
R151, R152)
STAND BY 'H'
TO SYS
FD(-)
TO SYS
-27VA
TO DRUM MOT
12VA
12VA REG
D117
TO CAP MOT
BLOCK
12VA
(Q112,ZD103,C151,
C152,R153)
TO DVD/Hi-Fi
REG 12VT
8VA REG
BLOCK
TO DVD
(D114, IC106, C154)
3.3V REG
TO DVD
BLOCK
3.3V
(IC103, C153)
5V REG 2.5V REG
TO DVD
BLOCK
BLOCK
2.5V
(IC104, C159, D119)
(Q117, ZD105, C162,
C158, R167)
33V S/W
TO TUNER
BLOCK
5.2V BLOCK
(Q114, R154, R155)
TO SYS/Hi-Fi/Tu
(R160, Q116, R161,
5.3VA
R162, D122, C156)
TO AVCP
REG 5VT
TO SYS/Hi-Fi/Tu
5V BLOCK
5.2V
(R157, Q113, R158,
R159, D121, C155)
TO DVD
PWR CTL
FROM µ-COM
BLOCK
(Q115,R163,R164,
R171,C161)
TIMER CTL
FROM µ-COM
BLOCK
(Q118,R168)
8VA
33V
5V
PWR CTL 'H'
TIMER 'H'