Printed Wiring Board - Sony DCR-TRV140 Service Manual

DCR-TRV140/TRV140E/TRV140M
LB-073 (EVF BACK LIGHT) PRITNED WIRING BOARD AND SCHEMATIC DIAGRAM
– Ref. No.: LB-073 board; 20,000 series –
1 2
LB-073 BOARD
A
EVF BACKLIGHT
-REF.NO.:20,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
B
R7701
3.3k
D7701
TLSU1008(T05.S0Y)
(TALLY_LED)
C
VF-150 BOARD
CN7701 6P
CN2001
THROUGH THE
LED_ON/OFF 1
FP-401 FLEXIBLE
LED_DA 2
(SEE PAGE 4-61)
REG_GND 3
VC-273 BOARD (14/16)
REG_GND 4
D
CN1005
XTALLY_LED 5
THROUGH THE
EVF_4.75V 6
FP-401 FLEXIBLE
(SEE PAGE 4-42)
05
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
EVF BACK LIGHT / EVF DRIVE
LB-073 VF-150
3 4 5
0
4.7
6 4
2 5
Q7701
R7705
R7704
UP04312008S0
33k
3300
BACKLIGHT ON/OFF SW
1 3
4.7
IC7701
R7702
NJM2125F(TE2)
180k
0.5%
0.1
VCC
0.8
1.7
4.7
4 6
0.2
5 2
0.2 0.8
3 1
R7703 0.2
33k
0.5%
R7706
22
0.5%
IC7701
EVF BACKLIGHT DRIVER
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une piéce portant le numéro spécifié.
4-59
VF-150 (EVF DRIVE) PRINTED WIRING BOARD
– Ref. No.: VF-150 board; 20,000 series –
6
D7702
NSCW100-T39
(BACKLIGHT)
Q7702
UP04601008S0
BACKLIGHT DRIVE
TH7701
6.8k
• For Printed Wiring Board.
• :Uses unleaded solder.
• VF-150 board is six-layer print board. However, the patterns
of layers 2 to 5 have not been included in the diagram.
• There are a few cases that the part isn't mounted in this model
is printed on this diagram.
• Chip transistor
C
B E
4-60