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– 26 –
ZS-2000
1
4
1
1
3
1
4
4
4
1
1
3
3
11
9
8
7
21
12
13
6
19
14
20
2
3
4
5
04
TIME CODE
RECEIVER
IC601
2
1
ANT1
FM
TELESCOPIC
ANTENNA
5
7
6
1
16
2.5V
REG
IC602
REG
Q300
VT
CONT
3
2
5V
REG
IC308
3
1
IR
RECEIVER
IC502
1
6V
REG
IC307
3
1
6
12
11
13
7
9
10
8
8
2
3
1
7
5
4
5
9
2
12
6
19
19
22
7
4
22
20
20
9
9
7
8
8
10
10
6
6
4
5 12
13
14
64
49
2
4
3
1
5
6
32
3
3
20
2
2
21
18
18
63
15
15
7
2
75
6
3
56
4
5
16
3
6
14
5
4
17
2
7
13
1
8
15
3
3
4
4
6
6
9
9
7
7
6
2
3
4
6
6
8
56
63
62
61
60
64
P8V
P12V
POWER
CONT
Q2
TU6V
POWER
CONT
Q309,310
TU6V
MO6V
P12V
P12V
AU5V
AU5V
AU5V
AU5V
POWER
CONT
Q303,304
FLUORESCENT
INDICATE
TUBE
FL501
POWER
CONT
Q359,361
P12V
AU12V
7
6
5
3
1
POWER
CONT
Q307,308
AU12V
5V
REG
IC305
AU5V
AU12V
S1
AM
ANTENNA
SELECTOR
50
48
65
35
34
4
1
19
16
13
14
18
12 11
10
8
IF
BUF
AM
MIX
AM
OSC
BUF
Q3
AMP
Q1
FM
MIX
FM
OSC
FM
TRACKING
MPX
MUTE
FM
DET
BUF
Q602
PLL
Bi
PHASE
DEC.
POWER
CONT
Q804
DIFF.
DEC.
AM
DET
ST
7
ST
LED
TU
LED
6
BAND
X803
4.332MHz
XO
DATA
XI
DET OUT
CNP1
CNP306
SD CHK
VT
B MUTE
ST IND
CE
DATA
CLK
COUNT
MUTE
CLOCK
SHIFT
Q801,
Q802
DATA
CLK
TEX
TX
QUAL
CON
RADIO
XTAL
EXTAL
FL-CON
RY-CON
AC-CHK
P-CON
RMC
DA
CP
CS
FL RST
CD-LAMP
R-SHIFT
31
38
A
MAIN
BOARD
(2/2)
B
MAIN
BOARD(2/2) CN302
CL/RECEIVER BOARD
REG BOARD
POWER BOARD (1/2)
FL BOARD
TU BOARD
MAIN BOARD
(1/2)
CONTROL BOARD (1/3)
FL5V
12V
P12V
MO6V
AU12V
FLAC4.3V2
FLAC4.3V1
FL(-32V)
AC CHK
RY-CON
LAMP
BOARD
TU LCH
R-CH
C/T TCO
Q357,358
P8V
CNP307
CN503
(1/2)
CN503
(2/2)
FL 5V
DA
VFDP
VDD
CP
CS
RESET
3
3
FL DRIVE
IC501
J1-2
FM EXT
ANTENNA
Q7
Q9
Q5
Q8
C/T
TCO
J1
L3
MW
RF
L4
LW
RF
CT1
MW
CT2
LW
RF
L5
AM OSC
CT3
AM OSC
23
24
21
2
AM
RF
T1
CT1,L3
MW
TRACKING
CT2,L4
LW
TRACKING
CT3
LW FREQUENCY
TRACKING
L5
MW FREQUENCY
TRACKING
T1
AM IF
CF4
AM FRONT-END
FM/AM IF,DET,MPX
IC1
4
2
16
1
CN301
(1/2)
CN801
(1/2)
VCC
VCC
CLK
QUAL
RDS
IC803
RDS
RADIO
X802
32.768kHz
X801
8MHz
CF1
CF2
VT
VCC
TUNER UNIT
TU1
IF IN
ST IND
CE
DI
CL
DO
BAND
MO/ST
BAND
XIN
XOUT
AM IN
FM IN
MW
LP OUT
X1
75kHz
Q4
T901
CN902
CNP301
Q305
CN310
CNP305
L601
PADIO-CONTROLLED
CLOCK
FERRITE-ROD
ANTENNA
CN601
CN502
CN805
CN501
CN803
CN901
RY901
AC IN
CF3
3
2
PLL
IC2
EXT
8
LAMP
DRIVE
Q501
SYSTEM CONTROL
IC801(1/3)
ANT2
MW/LW
LOOP
ANTENNA
• Signal path
: FM
: MW/LW
6-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 29)
(Page 29)