Block Diagrams - JVC HR-XV2EK Service Manual

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
2
(D101, R104,
C105, C106)
4
DRIVE & S/W BLOCK
OVER CURRENT LIMIT
BLOCK
7
(IC101,BD01,D102,R105,
C108,R107,C107,C109)
8
HOT GND
4
C111
3
IC102
! !
IC103
HOT CIRCUIT
RECTIFIER &
SMOOTHING
(D106, C117, R130)
17
RECTIFIER &
16
SMOOTHING
(D110, C123, L122,
C126, C163)
15
RECTIFIER &
14
SMOOTHING
(D111, C127,
L123, C128)
13
RECTIFIER &
SMOOTHING
12
(D112, L124,
C129, C131)
RECTIFIER &
SMOOTHING
11
(D113, R119, C132)
FEED-BACK
1
BLOCK
(R112, R113, C133,
R114, R115, R116,
R117)
2
3-20 3-21
FROM µ-COM
HSR SW
BLOCK
(Q155, Q153, Q154,
ZD104, C156, R161,
R151, R152, R110)
TO CAP MOT
12VA
D115
12VA REG
D117
TO DRUM MOT
T/W
BLOCK
12VA
(Q156,ZD103,C151,
C152,R153)
TO DVD/Hi-Fi
REG 12V
8VA REG
BLOCK
TO DVD
8V
(D114, IC151, C154)
3.3V REG
TO DVD
BLOCK
3.3V
(IC152, C153)
33V S/W
TO TUNER
BLOCK
33V
(Q114, R154, R155)
TO SYS/Tu
5.3VA
TO SYS/Hi-Fi/Tu/Y/C
5.0V
5V BLOCK
TO DVD
(R157, Q160, R158,
5V
R159, D121, C155)
PWR CTL
FROM µ-COM
BLOCK
PWR CTL 'H'
(Q162,R163,R164,
R171,C161)
PWR CTL
FROM µ-COM
BLOCK
TIMER 'H'
(Q173, R173)
HSR 'H'