Vfd(Video Dsp,D/A Converter) - Sony DSR-25 Service Manual

DSR-25
JC-21 (5/14) (VFD (VIDEO DSP, D/A CONVERTER)) • See page 4-99 for JC-21 printed wiring board. • See page 4-136 for waveforms.
1
2
JC-21 BOARD (5/14)
A

VFD(VIDEO DSP,D/A CONVERTER)

XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
B
19
AFC_3V
JC-21 BOARD (4/14)
J_1.9V
C
25
JC-21 BOARD (14/14)
D
J_3V
GND
E
Y0
F
Y1
Y2
Y3
14
Y4
JC-21 BOARD (2/14)
Y5
Y6
Y7
JC00
G
JC01
JC02
18 JC03
JC-21 BOARD (3/14) JC04
JC05
JC06
JC07
H SPCK0
22 AFH
JC-21 BOARD (4/14) VD
WEVN
I
J
VREF
K
FRRV
R3322
TRRV
26
XVSP_SCK
JC-21 BOARD (9/14)
XCS_VFD
VSP_SI
DATA_FROM_MS_VSP
L VSP_SO
XRST_VSP
TMS
27
TCK
JC-21 BOARD (11/14)
CL3317
TD02
M
28
TDO3
JC-21 BOARD (6/14)
N
05
JC-21 (5/14)
3 4 5 6 7
L3302
10uH
L3300
10uH
C3302
C3305 C3306
22u 22u
0.01u
6.3V
C3303 6.3V
0.01u
L3301
10uH
C3304
C3301
0.01u
0.01u
C3300
22u
6.3V
0.8 1
90 89 88 87 86 85 84
2
CAM_Y0
CAM_Y1 2.8
CAM_Y2
CAM_Y3
R3320
CAM_Y4 0
1.4
CAM_Y5
1.4
CAM_Y6
CAM_Y7 0
CAM_FLD 1.6
CAM_C0
AFCK
1.2
CAM_C1
CAM_C2
CAM_C3
CAM_VD 0
CAM_C4
CAM_HD 0
CAM_C5
CAM_C7
CAM_C6
CAM_C6
R1.7/P1.9
CAM_C7
CAM_C5 R1.1/P1
AFCK CAM_C4 R1.2/P1
CAM_HD R1.2/P1.1
CAM_VD TDO
2.8
CAM_FLD TDI
2.8
TCK
TMS 2.8 R0.8/P0.4
DATA_TO_MS_VSP 2.6
DATA_FROM_MS_VSP
XMS_SCK_VSP
2.7 R0.7/P0.4
XCS_VFD 2.7
2.8
1 2 3 4 5 6 7
XRST_VSP
R3323
0 CL3318
CL3319
0
R3321 CL3320
0
XMS_SCK_VSP
XCS_VFD
DATA_TO_MS_VSP
XRST_VSP
TMS
TCK
TDI
TDO
29
JC-21 BOARD (14/14)
4-19
8 9 10 11
R3301 R3304
R3307
1500
3300 3300
1 0 0 2 2.7
83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
C3307
10V
24 25 26 27 28
C3308
0.01u
3.1
2.8
2.8
2.6
1.4
1.5
2
IC3300
2.8
2.6
IC3300
M65511AFP-R60S 0.9
1
1.3
1.5
0.6
0.6
1.1
1
2.8
2.6
0
0
0
2.8
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
0 0 0 0 0
R3302 R3305
XX XX
R3303 R3306
0
0
12 13 14 15
R3310
470
R3318
R3319 R3308 R3315
510 330 470 470
3.1
CL3300
2.9
Q3300
2SD2216J-QR(K8).SO 3.1
2.3
CL3301
2.9
Q3301
2SD2216J-QR(K8).SO
2.3
CL3302
2.8
R3316
0
CL3303
CL3304
R3309
R3312
4700
4700
10u
MOE
R3311
0
CL3305
IC3301
TC7SU04FU(TE85R) C3314
L3303
0.01u
10uH
MVO
2.8
IC3302
MHO 1.4 TC7WH04FU(TE12R)
MY07
1.3 1.3
MY06
MY05
1.3 29
MY04
R3317 X3300
13.5MHz
MY03 1M
MY02
C3309
10u C3311 C3312 IC3302
MY01 XX
6.3V 5p
MY00
C3310
CT3300
0.01u
CT3300
IC3301
VFD
SPCK
IC3303
IC3303
MB90097PFV-G-146-BND-ER
0
R3325
0
0 1.5
0
C3313
0.01u
R3326
XX 0 2.8
0 2.8
0 0.3
2.8 2.8
2.6 2.9
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y Y/CHROMA
REC
PB
4-20
16 17 18 19
3.1
Q3302
2SD2216J-QR(K8).SO
2.2
Y_SIKISA
CR_OUT
CB_OUT
C_OUT
Y_OUT
R3314
4700
4
JC-21 BOARD (1/14)
VFD_VD
VFD_HD
VBUS0 CL3306
VBUS0
VBUS1 CL3307
VBUS1
CL3308
R3324 VBUS2
0 VBUS2
2.8
CL3309
VBUS3
VBUS3
1.5
VBUS4
2.8
VBUS4
1.5 CL3310
VBUS5
VBUS5 30
CL3311
VBUS6
JC-21 BOARD (6/14)
VBUS6
CL3312
VBUS7
VBUS7
CL3313
TUVS
TUVS
CL3314
R3313 XVEN
XVEN
0
CL3315
TUSV
TUSV
CL3316
TRCK
VFD_OE
CL3323
31
DA135
JC-21 BOARD (14/14)
OSDHD
32
CLK135
JC-21 BOARD (7/14)
5
OSDVD
JC-21 BOARD (1/14)
XSYS_RESET
OSD_SO 33
XCS_OSD
JC-21 BOARD (11/14)
XOSD_SCK