Sony RDR-HX825 Service Manual page 66

RDR-HX820/HX825
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(2/8)
HDD DRIVE
NO MARK:REC/PB MODE
A
-REF.NO.: 20,000 SERIES-
RB210 RB211 RB212 RB213
47K 47K 47K 47K
8
2 4 6 2 4 6 8 2 4 6 8 2 4 6 8
1
3 5 7 1 3 5 7 1 3 5 7 1 3 5 7
R223
82
AT2RESET
B
8
7
AT2DATA[7]
5 6
4
3
AT2DATA[8]
1 2
AT2DATA[6] RB219
68
AT2DATA[9]
8
7
AT2DATA[5]
5 6
4
3
AT2DATA[10]
1 2
AT2DATA[4] RB220
C
68
AT2DATA[11]
7 8
AT2DATA[3]
5 6
4
3
AT2DATA[12]
1 2
AT2DATA[2] RB221
68
AT2DATA[13]
7 8
AT2DATA[1]
5 6
4
3
AT2DATA[14]
1 2
AT2DATA[0] RB222
D
68
AT2DATA[15]
5
TO(1/8)
R224
22
AT2DMARQ
R225
82
AT2DIOW
R226
82
AT2DIOR
E
R227
22
AT2IORDY
R228
82
AT2DMACK
R229
22
AT2INTRQ
R231
82
AT2ADR[1]
F
2 1
AT2ADR[0]
4 3
6 5
AT2ADR[2]
8 7
AT2CS[0] RB223
82
AT2CS[1]
G
H
I
J
HDD DRIVE
RD-064 (2/8)
4 5 6 7
SA_XRST
R237
B+ 0
SA_D7
SA_D8
64 63 62 61 60
SA_D6
SA_D9
SA_D5
SA_D10
SA_D4
SA_D13 0
SA_D11
H_DD13
0
SA_D2
SA_D3
H_DD2
0
SA_D12
SA_D12
H_DD12
C201
3.4
0.1u
SA_D2
B VDDIO
SA_D3 0
SA_D13
H_DD3
SA_D11 0
SA_D1
H_DD11
0
SA_D4
SA_D14
H_DD4
SA_D0
GND
C202
1.8
0.1u
SA_D15
VDD
B
SA_D10 0
H_DD10
0
SA_D5
H_DD5
0
SA_D9
SA_DREQ
H_DD9
0
SA_D6
H_DD6
SA_D8 0
SA_IOW
H_DD8
0
SA_D7
H_DD7
3.4
SA_XRST
SA_IOR
H_RESET_N
SA_IORDY
SA_DACK
C224
0.01u 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
B
16V
SA_INT B+
SA_A1
C236
SA_A0
C235 0.01u
B
SA_A2 0.01u
16V
B
C234
SA_CS0 16V
0.01u
B
SA_CS1
16V
C204
12p
C203
0.01u
B
1
C237
0.1u
B
10V
R245
470
B+
4-27
8 9 10
C210
0.1u
B
59 58 57 56 55 54 53 52 51 50 49
R258
1k
B+
3.4
SA_CS0
H_CS_N0 3.4
SA_CS1
H_CS_N1 0
H_PDIAG_N
3.4
UAO 3.4
C214
IC201 0.1u
VDDIO 3.4
B
UAI
HDD DRIVE
GND
C215
1.8
0.1u
IC201 VDD
B
88SA8040-TBC1C000
T7
0 JL202
T6 JL203
0
T5
0
T4
JL204
3.4
T3
3.4
T2
3.4
T1 0
T0
B+
R248
12k
± 0.5%
R249
100
±0.5%
C206 R252
C205
0.01u 0
12p
B
C207
0.1u
B
C208
0.1u
B
C209
1u
B
FB201
0uH
11 12 13 14
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y Y/CHROMA
REC
PB
C217
0.01u
B
C218
C219
0.01u
0.01u B
B
C220
0.01u
B
C230 C231 C232
0.01u 0.01u 0.01u
B B B
R282
0
XSYSRST
B+
SW3.4V
L201
10uH B+ B+
L202
10uH
C223
C233
4 5 IC202
10u 0.22u
B
B
6.3V
6.3V
C222 1.8V REG
10u
B
6.3V
2012
3 2 1
GND
4-28
15 16
AUDI O
SIGNAL
CN203 7P
1 GND
2 HT+
3 HT-
HDD
4 GND
UNIT
5 HR-
6 HR+
7 GND
TO(1/8,3/8,4/8,
6
5/8,6/8)
10 TO(4/8,5/8,6/8,7/8)