Sony RDR-HX825 Service Manual page 67

For Schematic Diagram
• Refer to page 4-4 for waveforms.
• Refer to page 4-51 for printed wiring board.
1 2 3
RD-064 BOARD(3/8)
V DEC
A
-REF.NO.: 20,000 SERIES-
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
B
RECVY_V
RECCR_V
C
RECB
RECG
RECR
FSW
D
11
TO(5/8)
E
F
B+
VDEC3.3V
IC302
G
1.8V REG
GND
IC302
BH18MA3WHFV-TR
C302
0.01
1.2
16V
NOISE
GND
3.2
H
STBY
5
4 6
B+
C316
0.1u
B
R312
0
C317
0.1u
R303
22 B
0
0
C313
C308
0.1u
100p
C323
B 3.3
0.1u
B 3.3
C309
220p C318
0.1u
R304
B
22
0
0
R305
22
C319
C314
C310 0.1u
100p 0.1u B
C324
B 1.8
0.1u
B
1.8
C325
1.8
C311
0.1u
220p C320
B
0.1u
R306
B
22
0
0
0
R307
22
C321
C312 C315 0.1u
100p 0.1u
B
C326
3.3
R308 B
0.1u
0
B
B+
C322
0.1u
B
L303
10uH
L301
10uH
B+
C301 C303 C305
10u 10u 10u
B B B
6.3V 6.3V 6.3V
1.8
B+
VOUT
1.8
L302
VOUT
10uH B+
3.2
VIN
C302 C304
10u 10u
B B
6.3V 6.3V
R338
0
4-29
7 8 9
2
C328 C333
0.1u 0.1u
C330
C331
B B
9p 9p
*
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62
VI_1B
VI_1C
CH1_A33GND
CH1_A33VDD
CH2_A33VDD
CH2_A33GND
R0.1/P0.3
VI_2A
IC301
VI_2B
V DEC
VI_2C
IC301
CH2_A18GND
TVP5146M2PFP
CH2_A18VDD
A18VDD_REF
A18GND_REF
CH3_A18VDD
CH3_A18GND
VI_3A
VI_3B
VI_3C
CH3_A33GND
CH3_A33VDD
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
0.4
3.3
C327 C334
C329 C332 R328
0.1u 0.1u 0.1u 0.1u
10k
B B B B
C340
R325
0.01u
100
B
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y Y/CHROMA
REC
PB
10 11 12
REC656V
REC656H
C335
0.1u
B
B+
B+
61
C6/GPIO/RED
C7/GPIO/GREEN
C8/GPIO/BLUE
C9/GPIO/FSO
DGND
C336
1.8
DVDD
0.1u
JL307 B
Y0
JL308
Y1
R0/P1.4
REC656I[0]
Y2
0 REC656I[1]
Y3
R0/P1.4
REC656I[2]
Y4
RB301
IOGND 22
3.3 C337
IOVDD
0.1u
B
0 REC656I[3]
Y5
R1.6/P0.3
REC656I[4]
Y6
R0/P1.4
REC656I[5]
Y7
R0/P1.4
REC656I[6]
Y8
RB302
1.6 REC656I[7]
22
Y9
DGND
1.8 C338
DVDD
0.1u
B
REC656CLKI
R329
0
B+
B+
4-30
RDR-HX820/HX825
13 14
REC656I[0]
REC656I[0]
REC656I[1]
REC656I[1]
REC656I[2]
REC656I[2]
REC656I[3]
REC656I[3]
REC656I[4]
REC656I[4]
REC656I[5]
REC656I[5]
REC656I[6]
7
REC656I[6] TO(1/8)
REC656I[7]
REC656I[7]
REC656CLKI
REC656CLKI
REC656H
REC656H
REC656V
REC656V
SDA[0]
SDA[0]
SDCL[0]
SDCL[0]
XSYSRST TO(1/8,2/8,
6
4/8,5/8,6/8)
V DEC
RD-064 (3/8)