Sony PFM-42B2 Service Manual page 124

(5/13)
RS5C348A (IC504)
1
32KOUT 1 32kHz
COMPARATOR_W
OUTPUT
CONTROL
COMPARATOR_D
OSCIN 9
TIME COUNTER
DIVIDER
DIV
OSC
(SEC, MIN, HOUR, WEEK, DAY, MONTH, YEAR)
CORRECTION
OSCOUT 8
OSC ADDRESS ADDRESS
DETECT DECODER REGISTER
6
/INTR
INTERRUPT CONTROL SHIFT REGISTER
2
(2/13), (9/13)
SN74LV4053ANSR (IC100, IC1002, IC1003, IC1031)
X1 1 16 V
DD
2 15
X0 XC
OPEN
Y1 3 14 ZC
YC 4 13 Z1
Y0 5 12 Z0
OPEN
11
EN 6 AZ
3
V 7 10 AX
EE
GND 8 9 AY
OPEN
(5/13)
SN74CBTD3306 (IC514, IC516)
10E 1 8 VCC
1A 2
1B 3
4
7 2OE
GND 4 6 2B
5 2A
(4/13)
ST49C101ACF8-05 (IC218)
XTAL1 XTAL2
1 8
Oscillator
Circuit
5
Programmable
Phase Charge Loop
Counter
Detector Pump Filter
B
Programmable
Counter
A
3 4
A GND D GND
A B
(2/13)
TC4W53FU (IC1004, IC1044)
VCC CH1 CH0 ADR
ALARM_W REGISTER
(WEEK, MIN, HOUR)
10 V
DD 8 7 6 5
ALARM_W REGISTER VOLTAGE
(MIN, HOUR) DETECT
5 V
SS
1 2 3 4
2 SCLK
I/O COM INH VEE VSS
4 SI
CONTROL
3
SO
(12/13)
7 CE
HD74HC123AFP (IC4008, IC4009)
TC74HC123AFP (IC4011)
A 1
B
2
RD 3
Q 4
Q 5
6
C
R 7
GND 8
(12/13)
TC74HC157AF (IC4012)
A 1
IN
0
V0 2
IN
1
V1 3
IN
4
VC
OUT
0
5
WO
IN
1
6
W1
IN
WC 7
OUT
GND 8
(1/13)
TC74HC4052AF (EL) (IC6906)
AV CC DV CC
7 6
0
Y0 1
2
Y1 2
Voltage Programmable
Controlled Counter
Y 3
Oscillator C
3
Y3 4
1
Y1 5
Voltage
Output
Reference 5 CLOCK
Buffer
INH 6
Circuit
VEE 7
VCC
VSS 8
2
OE
C
B B
(3/13)
TC74HC4538AF (EL) (IC220)
VDD 2-C
16 15
1 2
1-C 1-CR
16 VDD
15 R
(3/13)
14 C
RD
TC74LCX244F (IC102)
Q Q
13 Q
D Q Q
12 Q
RD
20 19 18 17 16 15 14 13 12 11
11 RD
10 B
9 A
1 2 3 4 5 6 7 8 9 10
(13/13)
TC74VHCT04AF (IC222)
V
16
DD
VCC
15 INH
IN
14 13
0
14 Y0
IN
1
Y1
13
IN
YC
12 OUT
0
11 X0
IN
1
1 2
10 X1
IN
9 XC
OUT
(2/13)
MC74VHC1G04DFT1 (IC223)
NC 1
INA 2
GND 3
16
VDD
2
15 X2
1
14 X1
X
13
0
12
X0
3
11 X3
SELECT A
10 A
SELECT B
B
9
7-22 7-22
D E
(8/13)
TDA8395T/N3 (IC4000)
2-CR 2-RD 2-CK 2-CR 2-Q 2-Q
14 13 12 11 10 9
BANDGAP
20 ACC
INTERFACE
3 4 5 6 7 8
(11/13)
1-RD 1-CK 1-CK 1-Q 1-Q GND
TLC2932IPW (IC1041)
LOGIC
VDD
1
14
VCO
VDD
12 11 10 9 8
(11/13)
TLC2933IPW (IC1037)
LOGIC V
DD
3 4 5 6 7 TEST
GND
VCO OUT
FIN-A
FIN-B
PFD OUT
5 VCC
LOGIC GND
4 OUT Y
F
9 10 5 6 2
TUNING TUNING
CLOCHE DE–
PLL
FILTER EMPHASIS
11
IDENT– OUTPUT
CONTROL
IFICATION STAGE
12
1 19
VCO PFD LOGIC
SELECT OUT FIN-A FIN-B OUT GND
2 3 4 5 6 7
1/2 DIVIDER
PFD
VCO
13 12 11 10 9 8
R BIAS VCO VCO VCO PFD NC
IN GND INHIBIT INHIBIT
1 14 VCO V
DD
2 13 RBIAS
RING BIAS
3 12 CONT VOL
OSC CONTROL
4 11 VCO GND
CHARGE
PFD
5 10 VCO INH
PUMP
6 9 PFD INH
NC
7 8
PFM-42B2/42B2E
G H