Sony ZSS2IPW Service Manual page 34

ZS-S2iP
• IC BLOCK DIAGRAMS
IC1 LV23003VA (MAIN Board (1/4))
AM
AM RF-IN 1
RF
2
REG
FM
FM MIX-OUT 3
MIX
GND1 4
AM
AM MIX-OUT 5
MIX
6
VCC1
AGC
7
AM IF-IN AM AM
IF DET
FM IF-IN 8
FM FM
IF DET
FM
S-METER
IF
BUFFER
PIROT
P-DET 9
DET
FF
FF
P-COMP 10
COMPARATOR
FM-DET 11
L-OUT 12
DECODER
R-OUT 13
VSS 14
UNIVERSAL
COUNTER
DATA SHIFT
REGISTER
CE 15
LATCH
DI 16 CCB
I/F
CL 17
DO 18
ZS-S2iP
FM
36 FM RF-IN
RF
35 GND2
34 FM RF-OUT
33 VCC2
FM
32 FM OSC
OSC
AM
31 AM OSC
OSC
30 BO2
29 BO1
OSC
BUFFER
LOW-PASS 28 LP-OUT
FILTER
27 LP-IN
26 PD
25 AGC
24 AM LOW CUT
23 DET-OUT
SD
ST
TRIG
STSW
FF
PHASE VCO
MUTE 22 MPX-IN
POWER ON
21 VDD
RESET
PROGRAMMABLE
DIVIDER
SWALLOW
COUNTER
PHASE
DETECTOE
UNLOCK
CHARGE
DETECTOR
PUMP
20 X OUT
REFERENCE
19 X IN
DIVIDER
IC805 S-24CS02AFT-TB-G (MAIN Board (3/4))
A0 1
A1 2
3
A2
4
GND
34 34
IC703 BA5826FP-E2 (MAIN Board (2/4))
1 28 GND
SP–
D.BUFF
27 SL+
2
SP+
D.BUFF
D.BUFF LEVEL
26 SL–
SHIFT
D.BUFF
SPIN 3
LEVEL
SHIFT
RST 4
25 SLIN
THERMAL
SHUT-DOWN
MONITOR
24 (SLIN)
REG–B 5
23 VREF
VCC 22 VCC
REGO 6
21 VCC
VCC
MUTE 7
20
(FIN)
GND 8
DRIVER
MUTE
9
TIN
19 FIN
(TIN) 10
LEVEL
LEVEL
SHIFT
D.BUFF
SHIFT
D.BUFF
18 F–
T– 11
D.BUFF
D.BUFF
17 F+
T+ 12
GND 13
16 NC
OPOUT 14
15 OPIN
START/STOP
DETECT CIRCUIT
HIGH VOLTAGE
GENERATOR
SERIAL CLOCK
CONTROL CIRCUIT
LOAD
DATA
DEVICE
COMP
REGISTER
ADDRESS
COMPARATOR
LOAD INC
EEPROM
R/W ADDRESS
COUNTER
Y DECODER SELECTOR
DIN
DATA OUTPUT/
ACK OUTPUT/
CONTROL CIRCUIAT
DOUT
5 SDA
6 SCL
7
WP
8
VCC