Sony DCR-TRV255E Service Manual page 23

DCR-TRV255E/TRV260/TRV265/TRV265E
3-6. POWER BLOCK DIAGRAM (1/2)
VC-344 BOARD (1/2)
BT901
BATTERY
TERMINAL
CN4001
BATT UNREG
+
6
BATT SIG
Q4003, 4004
S 5
CHARGE
BATT GND
–
1
CONTROL
ACV UNREG Q4001, 4002
+
4
BATT/XEXT
DC IN 2
ACV GND
–
3
CDET
36
VIN
43
56 VCC0
55 VCC1
DC CONTROL, RESET
VREF
37
DTC6
1
RT
30
05
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
BATT SIG
BATT/XEXT
F002
INIT CHARGE ON
FAST CHARGE
F003
F004 BL REG UNREG
F001
VTR UNREG
D1302
VOUT
42
SEL
32
CS
44
VBAT
39
REG 3V
40
D1301
VRO 41
RST 29
LD 26
DIN 27
CLK 28
CTL1
38
IC1301
(9/10)
VR
34
Q1306
L1302
SWITCHING
OUT2 58
IN2 21
Q1305
+INE2 14 L1305
SWITCHING
OUT1 57
IN1 20
Q1307
L1303
SWITCHING
OUT3 59
IN3 22
D1306
L1301
Q1311
SWITCHING
OUT7
63
–INE7 2
Q1308
L1304
SWITCHING
D1303
OUT4
60
D1305
IN4 23
BL CONT
3-11
3. BLOCK DIAGRAMS 3. BLOCK DIAGRAMS
FAST CHARGE
INIT CHARGE ON
BATT UNREG
Q1316, 1318, 1320
5V REG
VTR UNREG
HI EVER SO
HI EVER SCK
VTR DD ON
CAM DD ON
Q1315, 1317
1.9V REG
L1310
BL REG
L1309
L1314
L1313
L1315
L1312
L1316
IN7 (VL 16V)
Q1304, 1314
–7.5V REG
Q1302, 1312, 1313
L1311
+15V REG
L1308
IC1302
1
4
6V REG
5
(9/10)
L1319
L1317
L1318
L1320
Q1324, 1325
–15.3V REG
Q1301, 1303
13.5V REG
BATT/XEXT
BATT SIG
MT 5V
V OUT
BATT IN
LI 3V
EVER 3.0V
XCS DD
D 1.9V
TYPE C/S: Please refer to page 1-3 to descriminate the type of LCD.
A PD- 204 BOARD
POWER(2/2)
(PAGE 3-13)
TYPE C
L6004
PANEL 4.6V
D 1.5V
PANEL –15.3V
D 2.8V
PANEL 13.5V
PANEL 2.8V
A 2.8V
AU 2.8V
L6001
RP 2.8V
BL CONT
28
CAM –7.5V
CAM 15V
TYPE S
L6004
PANEL 4.6V
RP 6.0V
18
PANEL –15.3V
16
PANEL 13.5V
19
EP 4.6V
PANEL 2.8V
17
A 4.6V
L6001
AU 4.6V
RP 4.6V
BL CONT
EP 13.5V
4 28
CN1003
PANEL 2.8V
17
PANEL 4.6V
18
BL REG
2
PANEL –15.3V
16
PANEL 13.5V
19
L6002 L6003
BL REG
2
BL CONT
CN6001
4
3-12
LCD901
CN6004
R6026
VSH
24
R6019 VGL
3
R6020 VGH 2.5INCH
1
COLOR
VDD
23
LCD UNIT
VDD
FB6001 4
R6031
IC6001
LCD DRIVER
Q6004, 6005,
6008, 6009 LCD901
CN6004
VSH5V
24
VGL
3
VGH 2.5INCH
1
COLOR
VSH3V
23
LCD UNIT
FB6001
IC6001
24
LCD DRIVER
T6001, Q6002
CN6003
INVERTER
ND901
BL HIGH
TRANSFORMER
BACK
10
LIGHT
BACKLIGHT
DRIVE