Sony WRR-802A Service Manual page 33

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CAT93C86S-LE10 (CATALYST)
16K-BIT SERIAL EEPROM
—TOP VIEW—
INPUTS
CS : CHIP SELECT
CS 1 8 V
CC
DI : SERIAL DATA
ORG : MEMORY ORGANIZATION
SK 2 7 NC
SK : CLOCK
DI 3 6 ORG
OUTPUT
DO : SERIAL DATA
DO 4 5 GND
OTHER
NC : NO CONNECTION
KIA7809PI-S (KOREA ELECTRONICS)
POSITIVE VOLTAGE REGULATOR
—FRONT VIEW—
1
INPUT OUTPUT
COMMON
2
1 2 3
INPUT COMMON OUTPUT
M5237ML-TP1 (MITSUBISHI)
ADJUSTABLE VOLTAGE REGULATOR
3
1
V CONT
IN
GND
2
CONT GND V
IN V = 3.5V to 36V
IN
(3) (2) (1)
V = 1.5V to 33V
OUT
R2
V =V (1+ ) = 1.26x (1+
OUT REF
R1
( R1 = 4.3K , V = 1.26V)
REF
WRR-802A (U)
3
R2 V
REF
V
OUT
R1
4.3K
R2
) (V)
4.3
MAX742CWP-TE2 (MAXIM)
DUAL-OUTPUT, SWITCH-MODE REGURATOR
—TOP VIEW—
INPUT
12/
FB+ 1 20 CSH+
100/
AV+
CC+ 2 19 CSL+
CC_
CC+
3 A-GND GND 18
CSH_
CSH+
AV+ 4 17 EXT+
CSL_
200 CSL+
100/ 5 16 PUMP
FB_
15 FB+
12/ 6 15 PDRV_
PDRV
SS
VREF 7 14 EXT_
V+
SS 8 13 V+
OUTPUT
EXT_
CC_ 9 12 CSH_
EXT+
VREF
FB_ 10 11 CSL_
CC+
2
1
FB+
+
∑
_
3
A-GND
15
12/
7
VREF
VREF PAMP
SELECT
6
15
12/
+
∑
_
10
FB_
9
CC_
NJM2904V(TE2) (JRC)
DUAL OPERATIONAL AMPLIFIERS
(SINGLE-SUPPLY TYPE)
—TOP VIEW—
1 V 8
CC
_ +
2 7
+ _
3 6
4 V 5
EE
NJM4558V-TE2 (JRC)
NJM4560M (JRC)
NJM4560M-TE2
NJM5532M(TE2) (JRC)
DUAL OPERATIONAL AMPLIFIERS
(DUAL-SUPPLY TYPE)
—TOP VIEW—
1 V 8
CC
_ +
2 7
+ _
3 6
4 V 5
EE
15
: SELECTS VOUTS (±15 V/±12 V)
200
: 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
200
100/ AV+
5 4
20
CSH+
19
CSL+
13
V+
17
R Q EXT+
18
S
GND
PULSE SOFT-START
AND 8
OSC
SS
THERMAL
SHUTDOWN
SQUARE
16
PUMP
S
14
Q
R EXT_
15
PDRV
12
CSH_
11
CSL_
IC
4-3