JVC HR-XV2EK - Block Diagrams

3-20 3-21
BLOCK DIAGRAMS
1. POWER(SMPS) BLOCK DIAGRAM
4
3
12
TO CAP MOT
12VA
TO DRUM MOT
12VA
TO DVD/Hi-Fi
REG 12V
TO DVD
8V
TO DVD
3.3V
TO TUNER
33V
TO SYS/Hi-Fi/Tu/Y/C
5.0V
TO DVD
5V
FROM µ-COM
PWR CTL 'H'
TO SYS/Tu
5.3VA
DRIVE & S/W BLOCK
OVER CURRENT LIMIT
BLOCK
(IC101,BD01,D102,R105,
C108,R107,C107,C109)
FROM µ-COM
TIMER 'H'
FROM µ-COM
HSR 'H'
LINE FILTER
BLOCK
(C101, L102, C102)
BD101
C103
V101
1
2
811
12
13
14
15
16
17
4
2
7
4
3
IC102
D117
T/W
D115
IC103
PW101
BR
(BK)
HOT CIRCUIT
BL
(WH)
F101
C111
HOT GND
R101
SNUBBER
BLOCK
(D101, R104,
C105, C106)
RECTIFIER &
SMOOTHING
(D110, C123, L122,
C126, C163)
RECTIFIER &
SMOOTHING
(D106, C117, R130)
RECTIFIER &
SMOOTHING
(D111, C127,
L123, C128)
RECTIFIER &
SMOOTHING
(D112, L124,
C129, C131)
FEED-BACK
BLOCK
(R112, R113, C133,
R114, R115, R116,
R117)
8VA REG
BLOCK
(D114, IC151, C154)
12VA REG
BLOCK
(Q156,ZD103,C151,
C152,R153)
HSR SW
BLOCK
(Q155, Q153, Q154,
ZD104, C156, R161,
R151, R152, R110)
3.3V REG
BLOCK
(IC152, C153)
RECTIFIER &
SMOOTHING
(D113, R119, C132)
33V S/W
BLOCK
(Q114, R154, R155)
PWR CTL
BLOCK
(Q162,R163,R164,
R171,C161)
PWR CTL
BLOCK
(Q173, R173)
5V BLOCK
(R157, Q160, R158,
R159, D121, C155)
!
!
C110
! !
!
!
NOTES : Symbol denotes AC ground.
Symbol denotes DC chassis ground.