Lcd Drive - Sony DCR-TRV6 Service Manual

For Schematic Diagram
• Refer to page 4-113 for waveform.
1 2 3
PD-123 BOARD(1/2)
(TRV11/11E/20 MODEL)

LCD DRIVE

A
-REF.NO.:20000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
B
C
CN2176 12P
OSD_SO 1
XOSD_SCK 2
XCS_LCD_DRIVER 3
TO
LCD_COM/XDATA 4
CK-92 BOARD
CN3201
EVER_3.0V 5
(SEE PAGE
PANEL_B 6 PANEL_B
4-83)
D
PANEL_G 7 PANEL_G
PANEL_R 8 PANEL_R
VG
PANEL_VG 9
PANEL_COM 10 COM_OUT
XHD_OUT
XHD_OUT 11
PSIG 12
CN2173 14P
E
DISP_HD 1 SYNC
DISP_VD 2 XVD
REG_GND 3
REG_GND 4 REG_GND
PANEL_2.8V 5 PANEL_2.8V
TO
PANEL_13.3V
PANEL_13.3V 6
CK-92 BOARD
CN3202
PANEL_-15.3V
PANEL_-15.3V 7
(SEE PAGE
PANEL_4.6V 8 PANEL_4.6V
4-83)
F
HI_SO 9
XHI_SCK 10 XHI_SCK
XCS_LCD_DAC 11
P_UNREG 12
P_UNREG_GND 13
P_UNREG_GND 14 HI_SO
XCS_PANEL
G
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y Y/CHROMA
REC
PB
H
TRV11 MODEL :DCR-TRV11
16
TRV11E MODEL:DCR-TRV11E
TRV20 MODEL :DCR-TRV20
4 5 6 7
32 31 30 29 28 27 26 25
R2180
680k
1.5
SEG10
1
OSC1
2.0
SEG9
OSC2
IC2171
SEG8
VSS
3.0
SEG7
C2180
LCD DRIVE
0.01u VC
3.0
B IC2171 SEG6
VLCD
BU9735K-E2
3.0
SEG5
VDD
2.8
SEG4
SCK
0.1
SEG3
SO
9 10 11 12 13 14 15 16
1
TO(2/2)
2
TO(2/2)
Q2173
2SB1462J-QR(K8).SO
BACK LIGHT
L2173 SWITCH
100uH
4.5
0
3
TO(2/2)
R2175
C2174 C2175
4700
10u 0.1u
3.7
B
6.3V
R2176
1k
0
2.7
Q2172
UN9214J-(K8).SO
BACK LIGHT
4
TO(2/2)
SWITCH
L2172 R2177
C2182
4.7uH
5 0
TO(2/2)
XX
C2172 C2173
47u 0.1u
16V B
6
TO(2/2)
R2178
XX
4-93
8 9 10
CN2175 21P
COM1
1 COM1
COM2
2 COM2
SEG2
3 SEG2
SEG3
4 SEG3
SEG4
5 SEG4
SEG5
6 SEG5
SEG6
7 SEG6
SEG7
8 SEG7
SEG8
LCD902
9 SEG8
SEG10 SEG9
1.5
10 SEG9
SEG9 SEG10
1.5
CHARACTER
11 SEG10
SEG8 SEG11 DISPLAY
1.5
12 SEG11
SEG7 SEG12
1.5
13 SEG12
SEG6 SEG13
1.5
14 SEG13
SEG5 SEG14
1.5
15 SEG14
SEG4 SEG1
1.5
16 SEG1
SEG3 SEG16
1.5
17 SEG16
SEG15
18 SEG15
COM3
19 COM3
COM4
20 COM4
21 N.C
Note :
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
BL
7
TO(2/2)
BL_DET
PWM
CN2174 5P
5P
1 PWM PWM 5
2 PANEL_4.6V PANEL_4.6V 4
3 BL_DET BL_DET 3
4 P_UNREG_GND P_UNREG_GND 2
5 P_UNREG P_UNREG 1
INVERTER
LND217
A UINT
DCR-TRV6/TRV6E/TRV11/TRV11E/TRV20/TRV20E
11 12 13
Note :
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
(STARTER)
13P
1 BL_GND
2 LED
3 BL_LOW
4 NC
5 NC
6 NC
7 NC
8 NC
9 NC
10 NC
11 NC
12 NC
ND901
BACK LIGHT
13 BL_HI
4-94
LCD DRIVE
PD-123 (1/2)