Read Sony DAV-DS1000 / SA-IR1000 Service Manual online
7
7
SA-IR1000
C E
B
These are omitted.
• IC Block Diagram
– F/E Board –
– F/E Board –
IC121 CXA3504M-T6
SECTION 3
DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
2
: nonflammable resistor
•
C
: panel designation
•
A
: B+ Line
• Voltage is measured when SS-IF1000, SA-WS1000 and
DVX-DS1000 (DVD stop) are connected, so SS-IR1000
receive infrared rays.
receive infrared rays.
• Voltages are dc with respect to ground under no-signal con-
ditions.
• Voltages are taken with a VOM (input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Signal path
F
: AUDIO (DIGITAL)
• Abbreviation
SP
: Singapore model
MX
: Mexican model
HK
: Hong Kong model
EA
: Saudi Arabia model
KR
: Korea model
AUS
: Australian model
Caution:
Pattern face side:
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.
C
B
These are omitted.
E
Q
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
b
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
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
V
CC
I
V
CC
S
V
CC
O
Signal Process Block
Output Block
PRE_AMP
O_AMP
Current
Source
Source
AGC A T T
I/V Amp
AGC23
AGC24
GNDO
DET
OUT
V
CC
O
V
CC
S
NC
NC
NC
F_H
NC
ADJ
RSET
AGC22
AGC21
V
CC
I
SIS
GNDI
IN
NC
NC
NC
AGC13
AGC12
AGC11
GNDS
NC
Rt
Vref
Vref
IN
0deg
-
180deg
IN+
IN-
OUT+
8MHz
LPF
LPF
Full
BPF
BPF
6MHz
LPF
LPF
H/L
BPF
BPF
Filter
Select
Select
OUT-
Input Block
Phase Splitter
1st A GC Amp
2nd A GC Amp
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Ver. 1.2
Click on the first or last page to see other DAV-DS1000 / SA-IR1000 service manuals if exist.