Sony DCR-TRV725E Service Manual page 107

DCR-TRV725E/TRV730/TRV730E/TRV828/
TRV828E/TRV830/TRV830E
LCD DRIVE, BACK LIGHT DRIVE
PD-138 (2/2)
For Schematic Diagram
• Refer to page 4-83 for printed wiring board.
• Refer to page 4-100 for waveform.
2
1
PD-138 BOARD(2/2)
(DCR-TRV730)
LCD DRIVE,BACKLIGHT DRIVE
A
-REF.NO.:10000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
CN5704 6P
TO XCS_LCD_DRIVER 1
B
CF-084 BOARD(1/2)
LCD_COM/XDATA 2
CN103
OSD_SO 3
THROUGH THE
CP-076 HARNESS
XOSD_SCK 4
(SEE PAGE 4-71)
DISP_LCD_VDD 5
DISP_BL 6
C
D
BL_REG
E
BL_GND
1
TO(1/2)
F
PANEL_4.75V
PANEL_2.8V
IC5602
CURRENT DETECT
G
SE_GND
BL_CONT
REG_GND
H
DETIN
BL_ON
2
TO(1/2)
16
I
4-87
3 4 5
32 31 30 29 28 27 26 25
R5712
10
680k
1.6
OSC1
C5704 IC5701
XCS 1.6
0.1u
OSC2
B
C/XD
LCD DRIVER
VSS
SO
IC5701
VC
SCK BU9735K-E2
3.0 VLCD
VDD
SCK 2.8
SCK
SO 2.8
SD
9 10 11 12 13 14 15 16
XCS
C/XD
R5610 R5613
L5601
1800 1800
100uH
1/10W 1/10W
2012 2012
C5604
0.015u
B
2012
C5603
XX
C5602
B 4 5
4.7u
B 2012
3 2
3216 16V
-0.5
1
Q5602
FP216-TL
SWITCHING
IC5602
R5611
TA75S393F-TE85R
180k
2.8
VCC 0.33
2.8
2.2
R5619
XX
C5605
0.1u
B
D5603 XX R5612 22k
DAC
R5620
XX
IC5601
R5609
TC7W53FU(TE12R)
10k
D5604
1.6
XX
VCC
COM
0 1.6
CH0
INH
2.8
CH1
VEE
2.8
0
A
GND
Q5601
UN9213J-(K8).SO
INV
LED
6 7 8
FP-342
CN5705 22P
FLEXIBLE
COM1
1 COM1
COM2
2 COM2
SEG3
3 SEG3
SEG4
4 SEG4
SEG5
5 SEG5
SEG6
6 SEG6
SEG2
7 SEG2
SEG10
1.5 SEG7
SEG10
8 SEG7
1.5 SEG9 SEG8
SEG9
9 SEG8
1.5 SEG8 SEG9
SEG8
10 SEG9
1.5 SEG7 SEG10
SEG7
11 SEG10
1.5 SEG6 SEG1
SEG6
12
SEG1
SEG5
1.5 SEG15
SEG5
13 SEG15
1.5 SEG4 SEG16
SEG4
14 SEG16
1.5 SEG3 SEG11
SEG3
15 SEG11
SEG12
16 SEG12
SEG13
17 SEG13
SEG14
18 SEG14
COM3
19 COM3
COM4
20 COM4
21 BL_VDD
22 BL_GND
5
1
2 6
3
C5607 CN5604
10P
12p
3kV
4 10 10 BL_HIGH
9 N.C
T5601
-0.5
8 N.C
INVERTER
TRANSFORMER
7 N.C
6 N.C
5 N.C
4 N.C
R5616
Q5603
3 BL_LOW
100
UP04312008S0
D901
LED DRIVE 2 LED
(STARTER)
1 LED_GND
4.7
D5601
MA111-(K8).S0
C5606
0.1u
R5617 R5618
B
22k 470
LND705
CH_GND
IC5601
SELECT SWITCH
R5614
10k
Note :
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
4-88
9 10
LCD902
CHARACTER
DISPLAY
UNIT
D902
BACKLIGHT
ND901
BACKLIGHT
Note :
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.