Sony WRR-862A Service Manual page 67

SA575DK-T (PHILIPS)
LOW VOLTAGE COMPANDOR
—TOP VIEW—
+V 1 1 V 20
IN OP AMP CC
+
NE575
_
_V 1 2 OP AMP 19 +V
IN
IN
+
_
V 1 3 18 _V
OUT IN
RECTIFIER
3.9k
V
RECT. 1 4 17
IN OUT
RECTIFIER
3.9k
C 1 5 16 RECT.
RECT
SUM 1 6 15 C
OUT RECT
10k
SUM
AMP
_
COMP. 1 SUM
7 14 OUT
IN
+
SUM
AMP
10k
_
V 8 13 COMP.
REF
V +
REF
10k
SUM NODE 2
GAIN CELL 1 9 12
IN G
GAIN CELL
10k
10 11 GAIN CELL
GND
G
GAIN CELL
TA31161FN (EL) (TOSHIBA)
IF DETECTOR
—TOP VIEW—
16 15 14 13 12 11 10 9
GND Vcc2
DETECTOR
RSSI
MIXER
IF AMP
LOCAL
OSC
GND Vcc1
1 2 3 4 5 6 7 8
OSC IN, OUT ; : LOCAL OSC INPUT
BS ; BATTERY SAVE
MIXER OUT ; MIXER OUTPUT
DEC ; BIAS FOR IF INPUT
IF IN ; IF INPUT
RSSI ; RSSI OUTPUT
IF OUT1, 2 ; IF LIMITTER OUTPUT
QUAD ; PHASE INPUT FOR FM DETECTOR
AF OUT ; DEMODULATION SIGNAL OUTPUT
MIX IN ; MIXER INPUT
TA75W393FU-TE12R (TOSHIBA)
DUAL COMPARATORS
—TOP VIEW—
8 7 6 5
V
CC
_
+
+
_
V
EE
1 2 3 4
TC7SU04FU (TE85R) (TOSHIBA)
C-MOS INVERTER
—TOP VIEW—
2 4
1
5 V
DD A A
Y =
2
Y = A
GND 3 4
A Y
0 1
0 : LOW LEVEL
1 0
1 : HIGH LEVEL
WRR-862A/862B
2
2
2
2
IN
2
2
2
IN
2
IN
Y
TC7W14FU (TE12R) (TOSHIBA)
C-MOS HEX INVERTERS
—TOP VIEW—
1 7
1 8
A
Y = A
2 7
3 5
3 6
4 5
6 2
Y = A
A Y
0 1
0 : LOW LEVEL
1 0
1 : HIGH LEVEL
TC7W53FU (TE12R) (TOSHIBA)
C-MOS 2-CHANNEL MULTIPLEXER/DEMULTIPLEXER
—TOP VIEW—
1
8 V 6 ch1
DD
1
7 ch0 C
2 7
OPEN
3
6
5 A
GND 4
5
INH V
EE
2 3
CONT. INPUT
ON
CHANNEL
INH A
0 0 ch0
0 : LOW LEVEL
0 1 ch1
1 : HIGH LEVEL
1 x OPEN
x : DON'T CARE
TK11230BMCL (TOKO)
REGULATOR USED FOR POWER SUPPLY
—TOP VIEW—
CONT 1 6 V
IN
5
2
GND GND
NOISE BYPASS 3 4 V
OUT
6
V
IN
1
THERMAL
CONT
PROTECTION
BANDGAP
REFERENCE
TK70006STL (TOKO)
RIPPLE FILTER
—TOP VIEW—
1
ON/OFF
Vin
VOUT CONT
0.6µA
5 4
3
FIL +
_
1 2 3
VIN GND FIL
2
GND
Y
6 4
V V
IN
OUT
1
CONT
3
NOISE BYPASS
4
V
OUT
_
+
3
NOISE BYPASS
5
Vout
300kΩ
4
CONT
300kΩ
5-5