File name Sony_DVP-CX850D.pdfDVP-CX850D
RMT-D113A
SERVICE MANUAL
US Model Canadian Model
SPECIFICATIONS
CD/DVD PLAYER
MICROFILM
DVP-CX850D
TK-51 (RF/SERVO) SCHEMATIC DIAGRAM -- Ref. No. TK-51 Board; 5,000 Series --
(SEE PAGE 4-15)
(SEE PAGE 4-15)
4-9
4-10
RF/SERVO
TK-51
DVP-CX850D
MB-85 (INTER FACE) SCHEMATIC DIAGRAM -- Ref. No. MB-85 Board; 4,000 Series --
For schematic diagram · Refer to page 4-11 for printed wiring board.
(SEE PAGE 4-45) (SEE PAGE 4-33)
(SEE PAGE 4-33)
(SEE PAGE 4-33)
(SEE PAGE 4-45)
(SEE PAGE 4-10)
(SEE PAGE 4-10)
MB-85 BOARD (1/9) 1 IC001 6
(SEE PAGE 4-74)
3
IC001 qf
3.4 Vp-p 27 MHz 24.5756 MHz
3.6 Vp-p
2
IC001 qs
4
IC001 qj
3.2 Vp-p 33.8682 MHz 36.8634 MHz 3.9 Vp-p
INTER FACE
MB-85 (1/9)
4-15
4-16
DVP-CX850D
MB-85 (SYSTEM CONTROL) SCHEMATIC DIAGRAM -- Ref. No. MB-85 Board; 4,000 Series --
For schematic diagram · Refer to page 4-11 for printed wiring board.
MB-85 BOARD (2/9) 5 IC202 os
12.416 MHz
2.1 Vp-p
6
IC202 5
3.0 Vp-p 24.884 MHz
4-17
4-18
SYSTEM CONTROL
MB-85 (2/9)
DVP-CX850D
MB-85 (ARP) SCHEMATIC DIAGRAM -- Ref. No. MB-85 Board; 4,000 Series --
For schematic diagram · Refer to page 4-11 for printed wiring board.
MB-85 BOARD (3/9) 7
IC303 qj (DVD play)
50 nsec/div 0.5 V/div
1.4 Vp-p
8
IC303 ql (CD play)
0.2 µsec/div 0.5 V/div
1.4 Vp-p
ARP
MB-85 (3/9)
4-19
4-20
DVP-CX850D
For schematic diagram · Refer to page 4-11 for printed wiring board. · Refer to page 4-23 for waveforms.
MB-85 (AV DECODER) SCHEMATIC DIAGRAM -- Ref. No. MB-85 Board; 4,000 Series --
4-21
4-22
AV DECODER
MB-85 (4/9)
DVP-CX850D
MB-85 (AUDIO DSP, V EQ/NR) SCHEMATIC DIAGRAM -- Ref. No. MB-85 Board; 4,000 Series --
For schematic diagram · Refer to page 4-11 for printed wiring board.
MB-85 BOARD (4/9) 9 IC401 tf
qs
IC401 ya
H
620 mVp-p
H
1.0 Vp-p
0
IC401 tj
qd
IC401 ys
620 mVp-p H H
720 mVp-p
qa
IC401 tk
qf
IC401 yg
H
1.0 Vp-p H
1.2 Vp-p
AUDIO DSP, V EQ/NR
MB-85 (5/9)
4-23
4-24
DVP-CX850D
MB-85 (HGA) SCHEMATIC DIAGRAM -- Ref. No. MB-85 Board; 4,000 Series --
For schematic diagram · Refer to page 4-11 for printed wiring board.
4-25
4-26
HGA
MB-85 (6/9)
DVP-CX850D
MB-85 (SERVO DSP) SCHEMATIC DIAGRAM -- Ref. No. MB-85 Board; 4,000 Series --
For schematic diagram · Refer to page 4-11 for printed wiring board.
MB-85 BOARD (7/9) qg IC701 yl (DVD play)
1.3 Vp-p 50 msec/div 500 msec/div
qh
IC701 yl (CD play)
200 msec/div 500 mV/div
1.3 Vp-p
qj
IC701 yk (DVD play)
220 mVp-p 50 msec/div 100 mV/div
qk
IC701 yk (CD play)
50 msec/div 200 mV/div
440 mVp-p
SERVO DSP
MB-85 (7/9)
4-27
4-28
DVP-CX850D
MB-85 (DRIVE) SCHEMATIC DIAGRAM -- Ref. No. MB-85 Board; 4,000 Series --
For schematic diagram · Refer to page 4-11 for printed wiring board.
4-29
4-30
DRIVE
MB-85 (8/9)
DVP-CX850D
MB-85 (DAC) SCHEMATIC DIAGRAM -- Ref. No. MB-85 Board; 4,000 Series --
For schematic diagram · Refer to page 4-11 for printed wiring board.
DAC
MB-85 (9/9)
4-31
4-32
DVP-CX850D
AU-216 (LPF AMP) SCHEMATI |