Sony RMT-D122A Service Manual page 60

MB-91 (PRAWN) SCHEMATIC DIAGRAM • See page 4-15 for printed wiring board.
– Ref. No.: MB-91 board; 1,000 series –
Q Q
3 7 6 3 1 5 1 5 0
1 2 3
MB-91 BOARD (12/12)
A
NO MARK:DVD/CD PLAY
D:DVD PLAY
C:CD PLAY
*:IMPOSSIBLE TO MEASURE THE
VOLTAGE AT THE MARKED POINTS.
SIGNAL PATH
B
AUDIO
SIGNAL
PB
C
B+
FB901
D+3.3V
MB-91 BOARD (8/12)
GND
D XWCK
MB-91 BOARD (6/12)
XWRFD
WAD7
WAD7
WAD6
WAD6
WAD5
WAD5
WAD4
WAD4
E
WAD3
WAD3
WAD2
WAD2
WAD1
WAD1
WAD0
WAD0 JL902
WAD0 JL903
SDI7
SDI7 JL904
WAD1
MB-91 BOARD (5/12) SDI6
SDI6 WAD2 JL905
SDI5
F SDI5 JL906
WAD3
SDI4
T E SDI4 WAD4 JL907
L 1 3 9 4 2 2 9 6 5 1 3
SDI3
SDI3 JL908
WAD5
SDI2
SDI2 WAD6 JL909
SDI1
SDI1
WAD7 JL910
SDI0
SDI0
XSHD
XSHD SDI7
XSAK
XSAK
SDI6
SDEF
SDEF
SDI5
G
SDI4
ADCK
ADCK SDI3
SAREQ
SAREQ
MB-91 BOARD (6/12) SDI2
MSLT
MSLT SDI1
SDI0
SC1
SC1 SDEF
SI1
SI1
MB-91 BOARD (7/12) XSAK
SO1
SO1
H
MSRD
MSRD
XDFLAT
XDFLAT
MB-91 BOARD (6/12) DFRST
DFRST
DFMODE
DFMODE
BCK
BCK
LRCK
LRCK
ASDATA3
MB-91 BOARD (1/12)
I ASDATA3
SPDIF1
SPDIF1
49CTL
49CTL
MB-91 BOARD (6/12) 45CTL
45CTL
192K
192K
MB-91 BOARD (7/12)
J
SMUTE
MB-91 BOARD (6/12)
SARST
MB-91 BOARD (8/12) 512FSSA
05
w w w
.
4 5 6 7
IC902
16M DRAM
IC902
MSM51V17805B-60TKR1
B+
FL901
B+
FB902
C901 C902
B+
47u
0.01u
4V
1.5 1 1 1 1 1 1 1 1 0 0
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63
1.7
WRFD
1.5
WAD0
1.4
WAD1
1.5
WAD2
1.5
WAD3
1.6
WAD4
1.4
WAD5
1.4
WAD6
1.6
IC901
WAD7
VSS
PRAWN
D*/C0
SD7 IC901
D*/C0 CXD2751Q
SD6
D*/C0
SD5
D*/C0
SD4
D*/C0
SD3
D*/C0
SD2
D*/C1.6
SD1
D*/C1.6
SD0
3.3
SDEF
D*/C3.3
XSAK
1 2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
3.3 0 0
R904
10k
C903
0.01u
C904
0.01u
R903
22
• Waveforms
1 IC901 5
x a o
y
i
3.1 Vp-p (4.23 MHz)
4-41
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8
8 9 10
1 1 1 1 0 0 0 0
28 27 26 25 24 23 22 21 20 19 18 17 16 15
1 2 3 4 5 6 7 8 9 10 11 12 13 14
3.3 1 1 1 1 3.3 0 3.3
C908
C905
0.01u
0.01u
FL902
C906
0.01u
B+
C910
0.01u
0 0 0
D*/C3.3
62 61 60 59 58 57 56 55 54 53 52 51
JL966
ZDFLGR
JL967
R908
ZDFLGL
22
1.6
DSAR
1.6 R909 22
3 DSAL
1.6
Q Q BCKA
JL968
3 7 R910 6 3
N.C 22
JL969
N.C
JL970
4 N.C
R906
1.6
BCKD
JL971
TESTI
VSS
TEST2
VSS
TEST1
JL972
SUPEN
JL973
XSUPAK
JL974
SUPDAT
JL975
F75HZ
JL976
XBIT
JL977
MNT0
B+
C907
0.01u
2 IC901 qf
u 1 6 3
.
DVD : 3.3 Vp-p (24.58 MHz)
CD : 3.3 Vp-p (22.58 MHz)
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2 4
9 9 8
11 12 13 14
C909
47u
B+ 4V
IC903 C911
0.01u
PLL
IC903
TC74LCX74FT(EL)
IC904
3.3 3.3
X1CL VCC
INVERTER
1.7 3.3
IC904
1D X2CL
1.6 1.6 TC7S04FU(TE85R)
1CK 2D
3.3 1.7 1.7
X1PR 2CK
FB924
1.6 3.3 1.6
1Q X2PR
1.7 B+ 3.3
X1Q 2Q
1.6 B+ FB923
GND X2Q
R905
22 FB921
FB922
1 5 1 5 0 8 9 2 4
FB904 0
BCK
FB905 0
LRCK
ASDATA3 FB903 0
XDFLAT FB915 0
SC1 FB906 0
DFMODE FB908 0
SO1 FB907 0
192K FB920
SPDIF1 FB910 0
FB912 0
FB913 0
DFRST FB914 0
FB918 0
49CTL
45CTL FB919 0
FB925 0
FB926 0
FB927 0
3 IC901 rh 4 IC901 rs
m
c o
DVD: 3.8 Vp-p (6.14 MHz) DVD: 3.1 Vp-p (3.07 MHz)
CD : 3.8 Vp-p (5.64 MHz) CD : 3.1 Vp-p (2.82 MHz)
4-42
DVP-S9000ES
2
9 9
15 16
CN901 8P
1 128FS
2 GND
3 SBCK
AU-226 BOARD (1/2)
4 GND
CN101
5 SDATA_R
(SEE PAGE 4-63)
6 GND
7 SDATA_L
8 GND
9 8 2 9 9
CN902 21P
21 GND
20 BCK
19 LRCK
18 ACH 78
17 GND
16 XDF LAT
15 GND
14 SC4
13 DF MODE
12 SO4
AU-226 BOARD (1/2)
11 192K CN351
(SEE PAGE 4-63)
10 D OUT
9 SELECT
8 CKINT
7 DF RST
6 49CTL
5 45CTL
4 RST
3 MUTE
2 SLINK
1 GND
CKINT MB-91 BOARD (8/12)
SLINK
AMUTE
MB-91 BOARD (7/12)
XRST
48/44.1K
CKINTO MB-91 BOARD (6/12)
R907
22
PRAWN
MB-91 (12/12)