Sony WRR-800A, Руководство по обслуживанию

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4-2 WRR-800/800A
IC
FB +
CC +
AV +
100/
200
12/
15
VREF
SS
CC _
FB
_
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND
CSH +
CSL +
EXT +
PUMP
PDRV _
EXT _
V +
CSH _
CSL
_
A-GND
DUAL-OUTPUT, SWITCH-MODE REGURATOR
—TOP VIEW—
INPUT
12/
15
100/
200
AV +
CC _
CC +
CSH _
CSH +
CSL _
CSL +
FB _
FB
+
PDRV
SS
V +
OUTPUT
EXT _
EXT +
VREF
: SELECTS VOUTS ( ± 15 V/ ± 12 V)
: SELECTS OSC FREQUENCY (200 kHz/100 kHz)
: ANALOG SUPPLY VOLTAGE INPUT ( + 5 V)
: INVERTING COMPENSATION CAPACITOR
: STEP-UP COMPENSATION CAPACITOR
: CURRENT SENSE HIGH (INVERTING SECTION)
: CURRENT SENSE HIGH (STEP-UP SECTION)
: CURRENT SENSE LOW (INVERTING SECTION)
: CURRENT SENSE LOW (STEP-UP SECTION)
: INVERTING SECTION FEEDBACK INPUT
: STEP-UP FEEDBACK INPUT
: VOLTAGE INPUT
: SOFT-START TIMING CAPACITOR
: HIGH-CURRENT SUPPLY VOLTAGE INPUT ( + 5 V)
: PUSH-PULL OUTPUT
: PUSH-PULL OUTPUT
: REFERENCE VOLTAGE OUTPUT
SOFT-START
AND
THERMAL
SHUTDOWN
PAMP
OSC
SQUARE
PULSE
12/
15
SELECT
VREF
VREF
7
S
Q R
+
_
S
Q
R
+
_
EXT +
17
V +
13
GND
18
EXT _
14
PDRV
15
PUMP
16
CSH _
12
CSL _
11
CSH +
20
CSL +
19
∑
∑
SS
8
FB +
1
A-GND
3
12/
15
6
FB _
10
5
100/
200
4
AV +
2
CC +
9
CC _
3 1
2
INPUT OUTPUT
COMMON
OUTPUT
(1)
COMMON
(2)
INPUT
(3)
POSITIVE VOLTAGE REGULATOR
—FRONT VIEW—
1
2
3
4
8
7
6
5 V
EE
V
CC
TYPE V
CC
+ 2 to + 16V
+
2 to
+
18V
+ 3 to + 20V
+ 5 to + 12V
+ 5 to + 22.5V
+
2.5 to
+
18V
+ 1 to + 3.5V
+ 2 to + 20V
+ 5 to + 16V
062/072/082/4556A/
M5218/BA15218/
33178/34182 TYPES
4580 TYPE
5532 TYPE
CXA1297 TYPE
M5219/M5220 TYPES
MC33077DR2
NJM2100 TYPE
OP-297 TYPE
OTHERS
V
EE
_ 2 to _ 16V
_
2 to
_
18V
_ 3 to _ 20V
_ 5 to _ 12V
_ 5 to _ 22.5V
_
2.5 to
_
18V
_ 1 to _ 3.5V
_ 2 to _ 20V
_ 5 to _ 16V
_ +
+ _
DUAL OPERATIONAL AMPLIFIERS
(DUAL-SUPPLY TYPE)
—TOP VIEW—
COMMON
1
IN
2
OUT
3
2 3
1
COMMON
IN OUT
VOLTAGE REGULATOR
POSITIVE VOLTAGE REGULATOR
—SIDE VIEW—
OUT
1
GND
2
IN
3
3 1
2
IN OUT
GND
1
2
3
4
5
6
7
8
9
10 11
12
13
14
15
16
17
18
19
20
+
_
G
G
V
CC
( + 8V)
NE575
OP AMP
OP AMP
SUM
AMP
SUM
AMP
V
REF
10k
10k
GAIN CELL
GAIN CELL
10k
10k
RECTIFIER
3.9k
3.9k
RECTIFIER
GND
+ V
IN
1
_ V
IN
1
V
OUT
1
RECT.
IN
1
C
RECT
1
SUM
OUT
1
COMP.
IN
1
V
REF
GAIN CELL
IN
1
+ V
IN
2
_ V
IN
2
V
OUT
2
RECT.
IN
2
C
RECT
2
SUM
OUT
2
COMP.
IN
2
SUM NODE 2
GAIN CELL
IN
2
LOW VOLTAGE COMPANDOR
—TOP VIEW—
+
_
+
_
+
_
1
GND
OUT V
DD
2
3
1
2
V DD
VOLTAGE
DETECT
1
OUT
3
GND
2 3
OUT V
DD
GND
5 4
C-MOS VOLTAGE DETECTOR
—TOP VIEW—
MAX742CWP-TE2 (MAXIM)
NE575DK (SIGNETICS)FLAT PACKAGE
NE575DK-T
NJM4558V-TE2 (JRC)FLAT PACKAGE(SMALL)
NJM4560M (JRC)FLAT PACKAGE
NJM4560M-TE2
NJM5532M (JRC)FLAT PACKAGE
NJM5532M(TE2)
NJM78L12UA-TE1 (JRC) + 12 V(0.1 A)
NJM78M09FA (JRC) + 9 V(0.5 A)
NJM79L12UA (JRC) + 12 V(0.1 A)
NJM79L12UA(TE1)
S-80735SN-DZ-T1