Sony WRR-805A Service Manual page 33

MB15E03LPFV1-G-BND-ER (FUJITSU)
PLL FREQUENCY SYNTHESIZER
—TOP VIEW—
INPUTS
CLOCK
OSC 1 16
IN ØR OUT
DATA
FIN
OSC 2 15 ØP
OUT OUT
FIN
LE
VP 3 14 LD/fout
OUT
OSC
PS
V 4 13 ZC
CC IN
ZC
DO 5 12 PS
OUT IN
OUTPUTS
DO
GND 6 11 LE
IN
LD
FIN
7 10 DATA
IN IN
OSC
ØP, ØR
FIN 8 9 CLOCK
IN IN
PROGRAMMABLE
REFERENCE DIVIDER
1
CRYSTAL
OSC BINARY 14-BIT
OSCILLATOR
2
REFERENCE COUNTER
OSC
CIRCUIT
INTERMITTENT
12
PS MODE CONTROL
17-BIT LATCH
(POWER SAVE)
14-BIT LATCH
LE
1-BIT
11
LE CONTROL
LATCH
19-BIT SHIFT REGISTER
10
CNT 19-BIT SHIFT REGISTER
DATA
9
CLOCK
18-BIT LATCH
7-BIT LATCH
LE
SW
7 PROGRAMMABLE DIVIDER
FIN
PRESCALER
8
64/65, 128/129
FIN
BINARY
7-BIT
SWALLOW
COUNTER
MD
CONTROL CIRCUIT
RF2418TR13 (RF MICRO)
RF AMPLIFIER/MIXER
—TOP VIEW—
LNA IN
LNA LNA
IN 1 14 OUT
V
GND 2 13 GND
IF BYP
V 1 3 12 GND
CC
V
IF2 OUT
V 2 4 11 RF
CC IN
IF1 OUT
IF BYP 5 10 GND
IF2 DEC
6 9
OUT
IF1 7 8 LO
OUT IN
WRR-805A (CE, AU)
: CLOCK
: SERIAL DATA
: PRESCALER
: PRESCALER COMPLEMENTARY
: LOAD ENABLE
: OSCILLATOR
: POWER SAVING MODE CONTROL
: HIGH-IMPEDANCE CONTROL
: CHARGE PUMP
: LOCK DETECT/PHASE COMPARATOR
MONITORING
: OSCILLATOR
: PHASE COMPARATOR
fr
PHASE
fp
COMPARATOR
LD
fr LOCK
DETECTOR
SW
FC
LD/fr/fp
LDS
SELECTOR
fp
3-BIT LATCH
CHARGE
PUMP
SUPER
CHARGER
11-BIT LATCH
BINARY 11-BIT
PROGRAMMABLE
fp
COUNTER
LNA
1
14
LNA OUT
3
RF
1
CC
AMP
10 pF
5
11
RF IN
4
2
CC
6 9
DEC
MIXER
22 8
LO IN
RH5RH363B-T1 (RICOH)
C-MOS PWM STEP-UP DC/DC CONVERTER
—TOP VIEW—
GND LX
4
5 4
LX
3
EXT
1
CE
GND
1 2 3
5
CE
OUT EXT
LX ; SWITCHING TERMINAL (OPEN DRAIN)
EXT ; EXTERNAL TRANSISTOR DRIVE (CMOS OUTPUT)
CE ; CHIP ENABLE
OUT ; STEP-UP OUTPUT VOLTAGE MONITOR
V LIMITER
LX
4
LX
BUFFER
5 LxSW
GND
PWM CONTROLE
OSC
3
EXT
1
CHIP ENABLE
CE
15
ØP
16
ØR
14
LD/fout
S-80827ANNP-EDQ-T2 (SEIKO)
VOLTAGE DETECTOR
—TOP VIEW—
3
VP
GND NC
5
2 1
4 3
V OUT
DO DD
GND
13
ZC
4
1 2
OUT V
DD
2
V
DD
+
_
V
REF
4
GND
SA575DK-T (PHILIPS)
LOW VOLTAGE COMPANDOR
—TOP VIEW—
+V 1 1
IN OP AMP
+
NE575
_
_V 1 2 OP AMP
IN
+
_
V 1 3
OUT
RECTIFIER
3.9k
RECT. 1 4
IN
RECTIFIER
C 1 5
RECT
SUM 1 6
OUT
10k
SUM
AMP
_
COMP. 1 7
IN
+
SUM
AMP
_
V 8
REF
V +
REF
10k
GAIN CELL 1 9
IN
G
GAIN CELL
10 GND
G
GAIN CELL
2
OUT
SLOW START V REF.
PHASE 2
OUT
COMPARATOR
_
+
ERROR AMP.
1
OUT
V 20
CC
19 +V 2
IN
18 _V 2
IN
17 V 2
OUT
3.9k
16 RECT. 2
IN
C 2
15 RECT
14 SUM 2
OUT
10k
13 COMP. 2
IN
12 SUM NODE 2
10k
GAIN CELL 2
11 IN
IC
4-3