Sony WRR-862A, Service Manual, Page: 66 / 96

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