Sony MB-806A, Service Manual

Page: 48 / 82

4-4
MB-806A (CE)
WRU-806A (CE, AU)
IC
GND V
DD
OUT
1 2 3
2
V
DD
GND
OUT
1
3
NC
4
NC
5
3
2
1
OUT
V
DD
GND
VOLTAGE
DETECT
C-MOS VOLTAGE DETECTOR
—TOP VIEW—
1
GND IN OUT
2 3
2
1
3
OUT
GND
IN
THREE TERMINAL POSITIVE VOLTAGE REGULATOR
—TOP VIEW—
1
2
3
4
5
6
7
8
9
10 11
12
13
14
15
16
17
18
19
20
+
_
G
G
V
CC
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
OSC
IN
2
OSC
OUT
3
BS
4
MIX
OUT
5 6
DEC
8
15 14
AF
OUT
13
QUAD
12
IF
OUT2
11
IF
OUT1
10
RSSI
9
7
IF
IN
MIX
IN
LOCAL
OSC
MIXER
DETECTOR
GND
GND V
CC
1
RSSI
IF AMP
: LOCAL OSC INPUT
; BATTERY SAVE
; MIXER OUTPUT
; BIAS FOR IF INPUT
; IF INPUT
; RSSI OUTPUT
; IF LIMITTER OUTPUT
; PHASE INPUT FOR FM DETECTOR
; DEMODULATION SIGNAL OUTPUT
; MIXER INPUT
OSC IN, OUT ;
BS
MIXER OUT
DEC
IF IN
RSSI
IF OUT1, 2
QUAD
AF OUT
MIX IN
16
V
CC
2
IF DETECTOR
—TOP VIEW—
S-80751SN-JF-T1 (SEIKO INSTR) + 5.1 V
S-81250PG-PD-S
S-81250PG-PD-T1
SA575DK-T (PHILIPS)
TA8122AF (TSB)
TA8122AF(J.TP2)
TA31161FN(EL) (TOSHIBA)
1 SIN
2 CK
3 LATCH
4 SOUT
5
EN
6
RST
7
8
9
18
17
OUT1
16
OUT2
15
OUT3
14
OUT4
13
OUT5
12
OUT6
11
OUT7
10
OUT8
GND
GND
GND
V
DD
CMOS SHIFT RESISTOR WITH LATCH
SIN
CK
LATCH
SOUT
EN
RST
OUT1
-
OUT8
: SERIAL DATA INPUT
: SHIFT CLOCK INPUT
: LATCH INPUT
: SHIFT RESISTOR (FINAL STAGE)
OUTPUT
: ENABLE INPUT
: RESET INPUT
: SHIFT RESISTOR LATCH OUTPUT1-8
5
EN
3
LATCH
1
SIN
2
CK
6
RST
4
SOUT
D Q
C OB
R
D Q
C OB
R
D Q
C OB
R
D Q
C OB
R
D Q
C OB
R
D Q
C OB
R
D Q
C OB
R
D Q
C OB
R
D
Q
C OB
R
D
Q
C OB
R
D
Q
C OB
R
D
Q
C OB
R
D
Q
C OB
R
D
Q
C OB
R
D
Q
C OB
R
D
Q
C OB
R
OUT1
17
OUT2
16
OUT3
15
OUT4
14
OUT5
13
OUT6
12
OUT7
11
OUT8
10
—TOP VIEW—