Power Block Diagram - Zenith XBV243 series Service Manual

R101
BD101
3
1 2
4
C103
!
LINE FILTER
BLOCK
(C101, L102, C102)
!
V101
!
F101
HOT GND
PW101
C110 C111
! !
BR BL
(BK) (WH)
NOTES : Symbol denotes AC ground.
Symbol denotes DC chassis ground.
VR168 - 923-03485
XBV243 Power Block Diagram
SNUBBER
BLOCK 10
8
(D101, R104,
C105, C106)
11
5
12
13
DRIVE & S/W BLOCK
OVER CURRENT LIMIT
BLOCK
3
(IC101,BD01,D102,R105,
C108,R107,C107,C109)
14
15
16
17
2 18
4
3
IC105
! IC102
HOT CIRCUIT
RECTIFIER &
F102
SMOOTHING
(D107, C121, ZD101)
RECTIFIER &
SMOOTHING
(D108, D110, C130,
C122, C123, L122,
C126)
RECTIFIER &
SMOOTHING
(D111, C127,
L123, C128)
RECTIFIER &
SMOOTHING
(D112, L124,
(Q117, ZD105, C162,
C129, C131)
RECTIFIER &
SMOOTHING
5.2V BLOCK
(D113, R119, C132)
(R160, Q116, R161,
R162, D122, C156)
FEED-BACK
1
BLOCK
(R112, R113, C133,
R114, R115, R116, 5V BLOCK
R117)
2
(R157, Q113, R158,
R159, D121, C155)
6-5
TO SYS
FD(+)
S/W BLOCK
(Q110, Q111,
FROM -COM
R151, R152)
STAND BY 'H'
TO SYS
FD(-)
TO SYS
-29VA
TO DRUM MOT
12VA
12VA REG
D117
TO CAP MOT
BLOCK
12VA
(Q112,ZD103,C151,
C152,R153)
TO DVD/Hi-Fi
REG 12V
8VA REG
BLOCK TO DVD
8VA
(D114, IC106, C154)
3.3V REG
TO DVD
BLOCK
3.3V
(IC103, C153)
2.5V REG
5V REG
TO DVD
BLOCK
BLOCK
2.5V
(IC104, C159, D119)
C158, R167)
33V S/W
TO TUNER
BLOCK
33V
(Q114, R154, R155)
TO SYS/Hi-Fi/Tu
5.3VA
TO AVCP
REG 5V
TO SYS/Hi-Fi/Tu
5.2V
TO DVD
5V
PWR CTL
BLOCK FROM -COM
PWR CTL 'H'
(Q115,R163,R164,
R171,C161)
D35E COMBO - DIAGRAMS