Sony DVP-PQ2 Service Manual ▷ View online
DVP-PQ2
4-1
4-2
SECTION 4
PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
For printed wiring boards
•
: indicates a lead wire mounted on the component side.
•
: indicates a lead wire mounted on the printed side.
• a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
THIS NOTE IS COMMON FOR WIRING BOARDS AND SCHEMATIC DIAGRAMS
(In addition to this, the necessary note is printed in each block)
(In addition to this, the necessary note is printed in each block)
When indicating parts by reference number, please include
the board name.
the board name.
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side B)
Pattern face side: Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
(For schematic diagrams)
• All capacitors are in
mF unless otherwise noted. pF : mmF.
50V or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in ohms, 1/4W (Chip resistors : 1/10W) un-less
otherwise specified.
k
k
W = 1000W, MW = 1000kW.
• Caution when replacing chip parts.
New parts must be attached after removal of chip.
Be careful not to heat the minus side of tantalum capacitor,
because it is damaged by the heat.
Be careful not to heat the minus side of tantalum capacitor,
because it is damaged by the heat.
• All variable and adjustable resistors have characteristic curve
B, unless otherwise noted.
•
: non flammable resistor
•
: fusible resistor
•
: panel designation
• f
: internal component.
•
: adjustment for repair.
•
: B+ Line
•
: B– Line
• Circled numbers refer to waveforms.
• Voltages are dc between measurement point.
• Readings are taken with a color-bar signals on DVD reference
• Voltages are dc between measurement point.
• Readings are taken with a color-bar signals on DVD reference
disc and when playing CD reference disc.
• Readings are taken with a digital multimeter (DC 10M
W).
• Voltage variations may be noted due to normal production tol-
erances.
4-1. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note :
The components identified by
mark
mark
or dotted line with mark
are critical for safety.
Replace only with part number
specified.
specified.
Note :
Les composants identifiés par
une marque
une marque
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
• Abbreviation
U2
: United States model
CA2 : Canada model
MX2 : Mexico model
EC1 : Europe model
EC2 : Europe model
CEK : United Kingdom model
MX2 : Mexico model
EC1 : Europe model
EC2 : Europe model
CEK : United Kingdom model
B +
B –
B –
DVP-PQ2
4-4
4-3
4-2. FRAME SCHEMATIC DIAGRAM
FRAME SCHEMATIC DIAGRAM
4-5
4-6
IC103 3
1
3.3Vp-p
1.17msec
IC103 8
2
3.3Vp-p
38nsec
IC103 9 q;
3
3.3Vp-p
42nsec
IC103 qg
4
IC104 tf
5
3.3Vp-p
60nsec
IC201 2 (CD PB)
6
20nsec
IC201 2 (DVD PLAY)
6
0.79Vp-p
20nsec
IC201 ra (CD PB)
7
1.6Vp-p
IC201 ra (DVD PLAY)
7
1.7Vp-p
IC201 rs (CD PB)
8
383mVp-p
IC201 rs (DVD PLAY)
8
433mVp-p
IC201 tl
9
1.3Vp-p
890nsec
IC301
(DVD PLAY)
10
1.34Vp-p
40ns/div
IC301
(CD PB)
11
1.46Vp-p
0.2us/div
IC301
(CD PB)
12
1.5Vp-p
1.8msec
IC301
(DVD PLAY)
12
1.62Vp-p
1.0msec
IC301
(CD PB)
13
770mVp-p
21msec
IC301
(DVD PLAY)
13
466mVp-p
32.4msec
IC301
14
1.1Vp-p
30nsec
IC403 ws
15
3.3Vp-p
40nsec
IC403 tg
16
1.0Vp-p
63.5usec
IC403 tj
17
979mVp-p
63.5usec
IC403 tl
18
675mVp-p
63.5usec
IC403 ya
19
666mVp-p
6.35usec
IC403 yd
20
625mVp-p
6.8usec
IC403 yg
21
1.1Vp-p
33.5usec
IC403
22
3.3Vp-p
38nsec
IC601 1
32
3.3Vp-p
42nsec
3.3Vp-p
30nsec
0.47Vp-p
111
125
125
150
158 160
113
124
124
MB-108 BOARD
H
H
H
2
IC101 qd
1
IC101 q;
1.8Vp-p
2.0Vp-p
3
IC101 qg
2.4Vp-p
8 MHz
1
IC404 2
3.4Vp-p
AV-077 BOARD
IF-106 BOARD
WAVEFORMS
MB-108/AV-077/IF-106
DVP-PQ2
4-8
DVD/CD RF AMP,DIGITAL SERVO,MOTOR DRIVE,SERVO,AV DECODER,SD RAM, SYSTEM CONTROL,AUDIO DAC,PLL
MB-108
MB-108 (DVD/CD RF AMP,DIGITAL SERVO,MOTOR DRIVE,SERVO,AV DECODER,SD RAM,
SYSTEM CONTROL,AUDIO DAC,PLL) PRINTED WIRING BOARD
SYSTEM CONTROL,AUDIO DAC,PLL) PRINTED WIRING BOARD
•
: Uses unleaded solder.
MB-108 BOARD (SIDE A)
For printed wiring board
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
MB-108 BOARD (SIDE B)
MB-108 BOARD
A SIDE
IC104
B-6
IC301
B-3
IC302
B-2
IC402
D-6
IC403
C-5
IC501
C-2
IC502
C-5
IC601
D-3
B SIDE
IC101
A-5
IC103
C-4
IC106
B-6
IC107
B-5
IC108
B-4
IC201
C-1
IC202
B-1
IC303
B-3
IC401
B-4
IC404
C-4
IC405
C-5
IC406
C-5
IC503
D-2
IC504
C-5
IC505
D-3
Q201
D-1
Q202
D-1
D201
D-1
D202
D-1
SW-406
(FUNCTION SWITCH)
(FUNCTION SWITCH)
SW-407
(DOOR SWITCH)
(DOOR SWITCH)
AV-77
(AUDIO/VIDEO OUT)
(AUDIO/VIDEO OUT)
IF-106
(INTERFACE CONTROL)
(INTERFACE CONTROL)
HP-137
(HEADPHONE)
(HEADPHONE)
MB-108
(SIGNAL PROCESS, SERVO)
(SIGNAL PROCESS, SERVO)
SWITCHING REGULATOR
DPSN-20CP (PQ2: U2,CA2,MX2)
DPSN-20CP-2 (PQ2: EC1,EC2,CEK)
DPSN-20CP (PQ2: U2,CA2,MX2)
DPSN-20CP-2 (PQ2: EC1,EC2,CEK)
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