Sony WRR-862A Service Manual page 66

IC
MB15E03LPFV1-G-BND-ER (FUJITSU)
PLL FREQUENCY SYNTHESIZER
—TOP VIEW—
OSC 1 16
IN
OSC 2 15
OUT
VP 3 14
V 4 13
CC
DO 5 12
OUT
GND
6 11
FIN
7 10
IN
FIN 8 9
IN
1
CRYSTAL
OSC
OSCILLATOR
2
OSC
CIRCUIT
INTERMITTENT
12
PS MODE CONTROL
(POWER SAVE)
LE
1-BIT
11
LE CONTROL
LATCH
10
DATA
9
CLOCK
LE
SW
7
FIN
PRESCALER
8
64/65, 128/129
FIN
MD
MB3761PF-ER (FUJITSU)
VOLTAGE DETECTOR
—TOP VIEW—
1 + V 8
CC
_
2 7
+
3 6
_
4 GND 5
1.2 V
MC33077DR2 (MOTOROLA)
DUAL OPERATIONAL AMPLIFIERS
—TOP VIEW—
1 V 8
CC
_ +
2 7
+ _
3 6
4 V 5
EE
5-4
INPUTS
CLOCK : CLOCK
ØR
OUT
DATA : SERIAL DATA
FIN : PRESCALER
ØP
OUT
FIN : PRESCALER COMPLEMENTARY
LE : LOAD ENABLE
LD/fout
OUT
OSC : OSCILLATOR
PS : POWER SAVING MODE CONTROL
ZC
IN
ZC : HIGH-IMPEDANCE CONTROL
PS
IN
OUTPUTS
DO : CHARGE PUMP
LE
IN
LD : LOCK DETECT/PHASE COMPARATOR
MONITORING
DATA
IN
OSC : OSCILLATOR
ØP, ØR : PHASE COMPARATOR
CLOCK
IN
fr
PHASE
fp
PROGRAMMABLE
COMPARATOR
REFERENCE DIVIDER
LD
BINARY 14-BIT
REFERENCE COUNTER
fr LOCK
DETECTOR
SW
FC
LD/fr/fp
17-BIT LATCH LDS
SELECTOR
fp
14-BIT LATCH 3-BIT LATCH
CHARGE
19-BIT SHIFT REGISTER
PUMP
CNT 19-BIT SHIFT REGISTER
SUPER
CHARGER
18-BIT LATCH
7-BIT LATCH 11-BIT LATCH
PROGRAMMABLE DIVIDER
BINARY
BINARY 11-BIT
7-BIT
PROGRAMMABLE
SWALLOW
fp
COUNTER
COUNTER
CONTROL CIRCUIT
NJM2100V-TE2 (JRC)
DUAL OPERATIONAL AMPLIFIERS
—TOP VIEW—
1 V 8
CC
_ +
2 7
+ _
3 6
4 V 5
EE
NJM2406F-TE2 (JRC)
SINGLE COMPARATOR
—TOP VIEW—
15
_INPUT
1
ØP
16
ØR
_
2 GND
+
+INPUT
3
14
LD/fout
S-80827ANNP-EDQ-T2 (SEIKO)
3
VP
5 VOLTAGE DETECTOR
DO
13
—TOP VIEW—
ZC
GND NC
2
4 3
V OUT
DD
GND
4
1 2
OUT V
DD
2
V
DD
+
_
V
REF
4
GND
S-8323D30MC-EZK-T2 (SEIKO)
STEP-UP SWITCHING REGULATOR
—TOP VIEW—
CONT GND
5 4
5
CONT
1 2 3
OUT V NC
CC
S-8520F33MC-BNS-T2 (SEIKO)
STEP-DOWN SWITCHING REGULATOR
—TOP VIEW—
VIN EXT
5 4 2
VIN
1 2 3
4
EXT
ON/OFF GND VOUT
V+ 5
4
OUTPUT
1
1
OUT
VREF
1
OUT
PWM
+ R1
Control
_
circuit
R2
4
GND
Soft start circuit
Reference voltage
Oscillation Circuit
source with soft start
3
VOUT
PWM or
+
PWMPFM
switched
_
control circuit
ON/OFF
2
GND
1
ON/OFF
WRR-862A/862B