Sony DSR-250 Service Manual page 135

For Schematic Diagram
• Refer to page 4-124 for waveforms.
1 2 3 4
PD-126 BOARD
A
RGB DRIVE/TIMING GEN.
-REF.NO.: 10000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
B
CN2100 14P
C
PANEL_B 1
PANEL_G 2
PANEL_R 3
REG_GND 4
PANEL_2.8V 5
TO PANEL_13.5V 6
SW-343 BOARD
CN507 PANEL_4.6V 7
XHI_SCK
XHI_SCK 8
(SEE PAGE
D
XCS_PANEL
4-93)
XCS_PANEL 9
XHI_SO
HI_SO 10
REG_GND 11
XVD
XVD 12
XHD
XHD 13
PANEL_15.5V 14
E
F
G
CN2101 8P
XCS_LCD_DRIVER 1
LCD_COM/XDATA
2
TO
SW-343 BOARD XOSD_SCK 3
CN505
OSD_SO 4
(SEE PAGE
KEY_AD7
5
H
4-93)
EVER_3.0V 6
UNREG 7
UNREG_GND
8
CN2103 XX
REG_GND
1
XCS_LCD_DRIVER 2
LCD_COM/XDATA
3
I
XOSD_SCK 4
OSD_SO
5
KEY_AD7
6
EVER_3.0V 7
J
XP4313-(TX).SO
SIGNAL PATH
K
VIDEO SIGNAL
CHROMA Y Y/CHROMA
REC
PB
L
M
16
5 6 7 8
R2114
C2130
0.01u 15k
36 35 34 33 32 31 30
R2111
1.1
470k
C_BG/N.C
XC.SAVE 2.8
XC.SAVE
XHI_SCK 2.5
XSCK
XTG_SO 2.7
SI
IC2101
XCS_PANEL 2.9
L2101 XCS
C2102
22uH
0.1u 2.8 R,G,B
DRIVE
Vcc1
R2168 R2169 1.1 IC2101
C2101
0 0 RB5P004AM1
TRAP_ADJ
22u
6.3V
2.8
TA
LPF_ADJ
A C2103
0.01u
XP.SAVE 2.8
B
XP.SAVE
C2108 0.01u
1.9 1
B_IN
R2173 0
C2109 0.01u
1.7
G_IN
R2174 2
0 C2110 0.01u
1.7
R_IN
R2175 0
C2136
C2134 XX
XX
3
C2135
XX
1 2 3 4 5 6 7
L2102
10uH
R2176
0
C2104 C2105
10u 0.1u
6.3V
TA P
Q2111
2SD2216J-QR(K8).SO
RESET
R2170
100k
C2107
0.1u 2.8
R2113
0
36 35
C2132
XX
R2112
470k
D2101
MA111-TX
BGP
2.7
XCLP
PRG
2.8
PRG
BLK
0
SBLK
FRP 1.4
FRP
PFRP 1.4
PFRP
XHI_SCK 2.4
XSCK
2.8
VDD/SMON1
XCS_PANEL 3.0
XCS
XTG_SO 2.7
SO
XHI_SO
1.2
SI
Q2112
R2166 0
10k
VDO/SMON2
INV.
XVD 2.7
4.6 2.8
XVD
0 0.1
9
2.8
7
1 2
XHD
4-97
9 10 11 12 13
L2105
XX
L2103
10uH
C2115
R2165
3.3u
0
20V
TA
A
C2114
C2112 0.01u R2144
2.2u VP
470k
C2123
C2124
29 28 27 26 25 3.3u
0.01u
20V
TA
6 A
TG14
6.8 VB
TG15
VB
1.7
TG16
B_DC_DET
C2118 2.2u
6.8 VG
VG
5
1.7
G_DC_DET
C2119 2.2u
6.8 UN9213J-(TX).SO
VR
VR
1.7
4
R_DC_DET
C2120 2.2u
TG24
GND2/N.C
TG23
R2171
GND1
XX TG22
6.7
TG21
VREF
C2137
0.6 XX
Vcc3 R2127
XX
0.7
COM_OUT
R2139
6.3 TG13
COM_IN R2140
TG12
TG20
C2121 C2122
XX XX
TG18
F
F
R2141
TG11
TG10 R2142
R2126 R2128
8 9 10 11 12
XX XX
0 TG19
R2123
TG17
R2163
TG16
R2124
D2102 R2145
100k
1T369-01-T8A
C2113
R2117
0.1u
68k
C2116
R2116
0.001u
47k R2122
R2119 L2104
1M
68k 2.7uH
R2146
TG15
C2111 R2177
R2118 R2178
560p 100k 100k
22k
CH R2180
R2125
XX 100k
C2117
100p CH
100k
R2179
C2131
XX
13.5
6.8
Q2101
XP4601-TXE
R2129
BUFFER
0
6.2
34 33 32 31 30 29 28 27 26 25
0 TG24
8
VST/SSP
1.4 TG23 TG43
VCK/SSPB
2.6 TG22
TG47
EN/SCK
2.8 TG21
DWN/SCKB
IC2103 0.1 TG20
WIDE/GCKB
2.8 TG19
TIMING
VDD/PCTLB
GENERATOR
R2135
0 XX
TG18
HST/GCK
IC2103
1.4 TG17
CXD3505R-T4
HCK2/PCTL
1.4 TG16
HCK1/GUD
2.8 TG15
RGT/SLR
2.8 TG14
POFF
0 TG13
NC/GSP
C2181
3 4 5 6 7 8 9 10 11 12
TG12
TG11
TG10
TG47
TG43
14 15 16 17
Note :
R2161
The components identified by
XX
Q2104
NDS356AP
mark 0 or dotted line with mark
PANEL B+ SWITCH
13.5 13.5
0 are critical for safety.
R2162
C2125
0 Replace only with part number
0.01u
0
specified.
R2155
XX
R2151
R2147
XX
0
Q2107
0
XX
2.8
D2105
XX
Q2105
XX
B- SWITCH
Q2102
C2128
0.1u
PANEL ON/OFF C2126
4.7u
150k
R2159
24 TEST1
R2152 XX
23 COM
R2153 0
22 VST
21 VCK
20 EN
D2103
XX
19 DWN
18 VDD
R2150 D2104
R2172
XX RD3.3UM-T1B
17 VSS
0
16 VDDG
XX
C2133 1u
15 VVSSG
XX
C2129 0
14 CS
(Note)
13 WIDE
12 HST
XX
11 REF
XX
10 SOUT
9 CRext
8 HCK2
0
7 HCK1
XX
6 PSIG
5 G
4 R
3 B
0
2 RGT
1 TEST2
CN2104
R2148
10k
7.3 13.5
Q2103
XP4601-TXE
BUFFER
CN2105
7.3
1 VG
6.8
6.8 2 COM
3 GND
6.2
4 PSIG
5 HSY
C2138
XX
R2143
10k
R2154 R2160
XX 820k
R2157
1M
R2149
1.6
XX
1.0
R2158
68k
Q2106 Q2108 C2127
Q2109
XX XX 0.1u
2SB1462J-QR(K8).SO
BIAS
Q2182
L2181
2SA1832F-Y/GR(TPL3) LND281
4.7uH
B+ SWITCH
PANEL_UNREG
R2186
L2182
XX
100uH
4.6 4.6
R2181
4700
3.8
LND282
R2182
VDD
C2183 C2185 1k
22u 0
22u 10u
C2184 C2186
16V 16V
10V
0.01u 0.1u
B B TA
C2182
TA TA A
Q2181
0.01u
2.8 UN9214J-(K8).SO
BACK LIGHT
LND283
ON/OFF
UNREG_GND
LND284
BL_PWM
Q2183
R2184
R2185
UN9112J-(K8).SO
0 XX
LED DRIVE
1.4
4.6
R2183 D2181
100 PG1111R-TR
(STARTER)
4.6
4-98
DSR-250/250P
18 19 20
Note :
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Note:Resister is mounted to the
Location where C2129 is printed.
LCD901
2.5 INCH
COLOR
LCD
UNIT
24P
5P
DUMY_LND
BL_HI
INVERTER
UNIT ND901
BL_GND BACK
LIGHT
BL_LOW
LND285
DET
RGB DRIVE / TIMING GEN
PD-126