Sony RMT-D122A Service Manual page 52

Q Q
MB-91 (DRIVE) SCHEMATIC DIAGRAM • See page 4-15 for printed wiring board.
3 7 6 3 1 5 1 5 0
– Ref. No.: MB-91 board; 1,000 series –
1 2 3 4
MB-91 BOARD (4/12)
A
B+
1
2
3
B
B+
4
5
6
7
C
8
9
2
MB-91 BOARD (3/12)
(SEE PAGE 4-24)
D
10
11
12
E
13
14
15
16
17
F
18
19
SPFG1
T E
L 1 3 9 4 2 2 9 6 5 1 3
G
H
I
R463
1k
J
R469
56k
K
R464
150k
R471
150k
SPFG1
L
3
1
w w w
MB-91 BOARD (3/12)
(SEE PAGE 4-24) 2
05
.
5 6 7 8
JL430
B+ B+
B+
JL429
R476
220
C451
C439 47u
R465 4V
0.1u
1k
1.7
3.3
C434
R466
470p 1k
1.6
C452
R467
0.01u
1k
R482 1.7
C440 33
0.1u
3.3
C435
R468
470p
1k
1.6
2.6
3.3
C453
0.01u
0.7
C446 3.3
R490 0.1u
470
1.6
C447
R491 1k 1.7
0.1u
1.6
1.6
R492 C448
PI 470 4700p 2.2
R493 C449 4700p
FE 470 1.6
R477
4700 TE C450 4700p 1.6
R494
C441
470
0.022u
B+
R478
18k
C454
C443 0.01u
0.047u
R479
18k
R484
R483
12k 12k
R480
1800
R481
1800
C444
47u
6.3V
IC403
R472
1k
REF.VOLT GEN/
SPINDLE FG AMP
IC403 BA10324AFV-E2
C437
0.1u R488
0.7 1.6
1k
0.7 1.6
C445
CL406 0.1u
0.7 1.6
R473
1300
4.9
C462
R485 R489
0.01u
470
D2.9/C2.6 1.6 1k
R486
1k
D2.9/C2.6 1.6
CL407
D2.7/C2.1 2.6
R487
R474 C438
0.033u 1k
56k
x a o
y
i
4-25
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8
9 10 11 12
C455 R002
0.01u
22
C456
0.1u
C457
0.22u
1 0 3.3
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
1
PDM3 VSS
VDD2 VDD
PDM2 PWM0
VSS2 PWM1
D2.2/C1.9
PDM1 PWM2
VDD1 TESTB
PDM0 TESTC
VSS1 RS
VRTA VSS
VCCA1 EMU0
TESTA IC404 EMU1
GNDA1 VDD
SERVO DSP
VRBA TDO
IC404
CXD9594R
VSS3V TCK
VDD3V TDI
ADC7 TMS
D2.7/C2.1
ADC6 TRST
ADC5 VSS
ADC4 Q Q CLKOUT1
3 7 6 3
ADC3 VCC
ADC2 GIO0
2 3
ADC1 GIO1
3.3
ADC0 GIO2
3.3
VSS GIO3
4 5
VDD VSS
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
3.2 0 0 3.3 0 0 3.3
C463
0.01u B+
R016
1k
R497
R496
1k 1k
R017
1k
u 1 6 3
.
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2 4
9 9 8
13 14 15 16
STCK2
SEMU0
SEMU1
R012 R013
10k 10k
27MSDP MB-91 BOARD (8/12)
B+ R014
100
C458
0.1u
HD8
HD8
HD9
HD9
HD10
HD10
HD11
HD11
HD12 MB-91 BOARD (8/12)
HD12
HD13
HD13
HD14
3.3 HD14
HD15
HD15
1.6 SLDA1
1.6 SLDB1
SPDL1
C459 R015
0.001u 100
XRST MB-91 BOARD (7/12)
3.3
3.3 SEMU0 HA0
HA0
MB-91 BOARD (8/12)
3.3 SEMU1 HA1
HA1
3.3 SDSPCS
SDSPCS
MB-91 BOARD (6/12)
WRH
WRH
1.7 STCK2 RD
RD
MB-91 BOARD (7/12)
SDSPINT
SDSPINT
3.3
1 5 1 5 0 8 9 2 4
3.3 SPCNT1
TILTA1
TILTB1
JL439
C460
0.01u
TILTMUTE1
LOCK
MB-91 BOARD (5/12)
MDS0
MDP0
XDRVMUTE
MB-91 BOARD (7/12)
NO MARK:DVD/CD PLAY
D:DVD PLAY
C:CD PLAY
SIGNAL PATH
SPINDLE SERVO(SPEED AND PHASE)
TRACKING SERVO DVD/CD CDV
SLED SERVO DVD/CD
FOCUS SERVO
SKEW SERVO DVD/CD
m
c o
4-26
DVP-S9000ES
2
9 9
• Waveforms
17
1 IC404 og
3.2 Vp-p (27 MHz)
2 IC404 ws (DVD play)
50 mV/DIV 50 ms/DIV
170 mVp-p
3 IC404 ws (CD play)
200 mV/DIV 50 ms/DIV
9 8 2 9 9
520 mVp-p
4 IC404 wd (DVD play)
500 mV/DIV 50 ms/DIV
1.2 Vp-p
5 IC404 wd (CD play)
500 mV/DIV 200 ms/DIV
1.6 Vp-p
DRIVE
MB-91 (4/12)