Sony DSR-250 Service Manual page 98

DSR-250/250P
For Schematic Diagram
• Refer to page 4-63 for printed wiring board.
• Refer to page 4-122 for waveforms.
2 3
1
VI-156 BOARD(6/25)
DV INTERFACE(JC-2 BLOCK)
NO MARK:REC/PB MODE
A R :REC MODE
-REF.NO.: 10000 SERIES-
P :PB MODE
XX MARK:NO MOUNT
272
TO(5/25) IC361_AVD3
270
TO(5/25) IC361_VDD2
B
271
TO(5/25) IC361_VDD3
LBUS0
LBUS0
LBUS1
LBUS1
LBUS2
LBUS2
C LBUS3
LBUS3
FRL
274
TO(5/25) FRL
FCLR
FCLR
DIR
DIR
XENA
XENA
XACC
LBUS3
XACC
LBUS2
LBUS1
MCDA7
D
MCDA7
LBUS0
MCDA6
MCDA6
MCDA5
MCDA5
MCDA4
MCDA4
MCDA3
MCDA3 XENA
MCDA2
MCDA2
FRL
MCDA1
MCDA1
MCDA0
MCDA0
MCCE FCLR
E 275
TO(5/25) MCCE
RDX
RDX
WRX
WRX
ALE
ALE
XRST_LINK
XRST_LINK
XDVCN
XDVCN
XRST_PHY
XRST_PHY
LIP_SLEEP
LIP_SLEEP
LPS
F
LPS
OFR
OFR
285
TO(5/25) IC361_47
273 IC361-79
TO(5/25)
G
SIGNAL PATH
H VIDEO SIGNAL
AUDIO
CHROMA Y Y/CHROMA SIGNAL
REC
16
PB
DV INTERFACE
VI-156 (6/25)
4 5 6 7
D_1.9V
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
1.9
VDD2 (D_1.9-2)
3.0
ID3
3.0
ID2
3.0
ID1
3.0
ID0
VSS
18M 1.3
ICLK
VSS IC361
3.0
XINEN
0
DV INTERFACE
FR
0
OFR
3.0 IC361
IFCLEAR
SN104266PN-TEB
3.0
VDD3 (D_2.8-3)
TEST0
TEST1
TEST2
TEST3
TEST4
TEST5
TEST6
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
C333
C335
0.01u
0.1u
B B
4-23
8 9 10 11
276
TO(5/25) Q302_+B
277
TO(5/25) Q306_B
278
TO(5/25) Q304_B
279 Q302_B
TO(5/25)
22 21
VSS
2.9
XDVCN
CNA 280 Q305_B
TO(5/25)
0 XRST_PHY
XRESETP 281
TO(5/25) Q303_B
2.8
LIP_SLEEP
PWD
282
2.9 TO(5/25) Q301_B
VDD3
(D_2.8-3)
1.8
VDD2
(D_1.9-2)
AVS
2.9
AVD3
(D_2.8-2)
2.9
AVD3 R361 R364
(D_2.8-2)
12k 12k 283
1.1 TO(5/25) Q307_B
R1
284 Q308-B
0 TO(5/25)
R0
0.8
TPA+
1.2
TPA-
0
TPB+
0
TPB-
R367
2.9 R368
R372
R370
(D_2.8-2) AVD3 56 56
± 0.5% 56 56
± 0.5%
1.5 ± 0.5% ± 0.5%
TPBIAS
AVS C337
R369 R371
C338
2.9 1u
10k 10k 220p
AVD3 B
(D_2.8-2) ± 0.5% ± 0.5%
CH
1608
AVS
OSDVD
OSDHD
OSDR
OSDL
286
TO(5/25)
OSDP
COL3
COL2
COL1
COL0
12 13 14
36 37 38
R331 R336 R343
820 820 820
0 0.6 0.7 0.9
R328 R334
R340
1k
1k 1k
Q306
Q302 Q304
2SB1462J-QR(K8).SO
2SB1462J-QR(K8).SO 2SB1462J-QR(K8).SO
BUFFER BUFFER BUFFER
40 41
R329 R335 R341 R384 R356
39
220 220 4700 XX 2200
R385
XX
42
2SB1462J-QR(K8).SO
1.1
1.1 1.1
1.0
R332 R351
R327 R338
1200
1k 1k 2200
Q301 Q303 Q305 Q307
2SB1462J-QR(K8).SO 2SB1462J-QR(K8).SO 2SB1462J-QR(K8).SO 2SB1462J-QR(K8).SO
BUFFER BUFFER BUFFER BUFFER
TPA+
TPA-
48
TO(22/25)
TPB+
IC302
TPB-
CHARACTER
GENERATOR
IC302
MB90099PFV-G-103-BND-ER
OSDL 0
BLKC
GND
NC TEST
OSDVD 0 1.2
OSDR
BLKB OSC
OSDHD R383
COL3 0
VC3
OSC
0
OSDR R0.1/P0
OSDP
VBLA CMDCT
OSDL 0 3.0
COL2
VC2 VDD
OSDP
COL1 0 0
VC1
XPCL
COL3 0 0
COL0
VC0 DATA
COL2
OSDVD 3.0 R0/P2.7
XVSYNC XCS
COL1
OSDHD 2.8 2.7
XHSYNC XCLK
COL0
4-24
15 16 17
PANEL_G
54
PANEL_R TO(22/25)
PANEL_B
EVF_G
55
EVF_R TO(23/25)
EVF_B
R360
2200
43
CAIN_Y_OUT
56
TO(7/25)
CAIN_C_OUT
Q308
BUFFER 1.0
R358
150
6
REG_GND TO(25/25)
57 TO(13/25,
OSDVD
17/25)
C334
0.01u
B 13.5M
TO(1/25,2/25
SPCK 2
3/25,8/25)
80
EVER_3.0V TO(17/25)
XSYS_RST 26
TO(17/25)
OSD_SO
XCS_OSD 58
TO(17/25)
XOSD_SCK
287
SPCK TO(5/25)