Sony SLV-LF1 / SLV-LF1AS / SLV-LF1MI Service Manual ▷ View online
SLV - LF1
4-1
SECTION 4
PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
(For printed wiring boards)
•
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Through hole is omitted.
• Circled numbers refer to waveforms.
• There are few cases that the part printed on diagram
• Circled numbers refer to waveforms.
• There are few cases that the part printed on diagram
isn’t mounted in this model.
• Chip parts.
(For schematic diagrams)
• All capacitors are in
• All capacitors are in
µF unless otherwise noted. pF : µµF.
50V or less are not indicated except for electrolytics and
tantalums.
tantalums.
• Chip resistors are 1/10W unless otherwise noted.
k
Ω=1000Ω, MΩ=1000kΩ.
• 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, Be-
cause it is damaged by the heat.
Be careful not to heat the minus side of tantalum capacitor, Be-
cause it is damaged by the heat.
• Some chip part will be indicated as follows.
Example
C541
L452
22U
10UH
TA A
2520
• Constants of resistors, capacitors, ICs and etc with XX indicate
that they are not used.
In such cases, the unused circuits may be indicated.
In such cases, the unused circuits may be indicated.
• Parts with
★ differ according to the model/destination.
Refer to the mount table for each function.
• All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
• Signal name
XEDIT—> EDIT PB/XREC —> PB/REC
•
: non flammable resistor
•
: fusible resistor
•
: panel designation
•
: internal component.
•
B +
: B+ Line.
•
B –
: B– Line.
• Circled numbers refer to waveforms.
• Readings are taken with a color-bar signal input.
• Voltage are dc between ground and measurement points.
• Readings are taken with a digital multimeter (DC10M
• Readings are taken with a color-bar signal input.
• Voltage are dc between ground and measurement points.
• Readings are taken with a digital multimeter (DC10M
Ω).
• Voltage variations may be noted due to normal production
tolerances.
•
: adjustment for repair.
• Circled numbers refer to waveforms.
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
Transistor
Diode
Kinds of capacitor
Temperature characteristics
External dimensions (mm)
When indicating parts by reference
number, please include the board name.
number, please include the board name.
C
B
E
5
6
4
2
1
3
5
4
6
2
3
1
4
5
2
3
1
1
2
4
5
3
3
2
1
3
2
1
3
2
1
Note :
The components identified by
mark
The components identified by
mark
or dotted line with mark
are critical for safety.
Replace only with part number
specified.
specified.
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
C
D
E
F
G
H
I
J
SLV - LF1
4-3
4-4
4-1. FRAME SCHEMATIC DIAGRAM
FRAME SCHEMATIC DIAGRAM
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
C
D
E
F
G
H
I
J
SLV - LF1
4-6
MA-402 (VIDEO, AUDIO, I/O, SERVO/SYSTEM CONTROL, TUNER, MODE CONTROL, POWER SUPPLY) PRINTED WIRING BOARD
— Ref. No. MA-402 Board:1,000 Series —
— Ref. No. MA-402 Board:1,000 Series —
There are few cases that the part printed on this diagram isn’t mounted in this model.
4-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
MA-402 Board
VIDEO, AUDIO, SERVO/SYSTEM CONTROL, TUNER, POWER
MA-402
A
1
2
3
4
5
6
7
8
9
10
11
12
13
B
C
D
E
F
G
H
I
J
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
C
D
E
F
G
H
I
J
SLV - LF1
4-7
4-8
VIDEO, SYSTEM CONTROL, SERVO,
HI-FI, TUNER, MODE CONTROL,
I/O, POWER SUPPLY
HI-FI, TUNER, MODE CONTROL,
I/O, POWER SUPPLY
FJ-33 (POWER)
GK-12 (ZWEITON)
(LF1AS)
NK-11 (NICAM)
(LF1MI)
(LF1AS)
NK-11 (NICAM)
(LF1MI)
DM-98 (USER CONTROL)
MA-402
(
)
MA-402 BOARD
CN600
A1
CN412
J1
CN411
J2
CN072
A3
CN071
B4
CN051
E4
CN331
A6
CN031
H6
CN201
B10
CN204
B10
CN104
I12
CN105
I12
CN332
D12
CN202
B12
CN334
J13
CN413
J13
D623
C1
D625
D1
D613
F1
D612
F1
D403
I2
D614
I2
D608
F2
D609
F2
D611
F2
D601
E2
D604
E2
D603
D2
D607
D2
D605
C2
D624
C2
D600
C2
D602
C3
D626
E3
D103
H3
D404
J3
D901
A4
D071
C4
D101
H4
D171
G5
D172
G5
D902
A6
D001
F7
D100
H8
D401
J10
D151
H10
D102
H11
D201
B11
D701
C12
IC601
G1
IC660
H1
IC600
D2
IC031
I4
IC502
J5
IC141
I5
IC291
D6
IC451
I7
IC101
H8
IC201
C9
IC301
A10
IC142
I12
IC662
C12
IC702
H13
Q001
F3
Q380
C5
Q378
C5
Q172
G5
Q171
H5
Q373
B6
Q372
B6
Q381
B6
Q374
B6
Q377
C6
Q376
C6
Q901
D6
Q174
G6
Q175
G6
Q151
H7
Q003
F7
Q203
D7
Q204
D7
Q375
C7
Q302
A7
Q303
A8
Q301
A8
Q205
F8
Q192
G8
Q191
G8
Q211
D8
Q206
B9
Q210
E10
Q153
I10
Q201
C10
Q202
D11
Q710
E11
Q701
D12
Q706
D12
Q709
E12
Q708
E12
Q701
B13
Q703
F13
Q704
G13
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