2
3
4
5
6
7
8
9
10
A
1
B
C
D
E
F
IC801
40
35
30
25
20
15
10
5
E
MAIN BOARD
CN302
(Page 35)
1
2
21
20
15
10
5
1
4
1
2
G
S
D
1
2
3
3
1
02
S815
S816
S817
R853
R854
S818
R855
R856
R857
S819
S820
CNP803
S814
R852
S802
S803
S803
S801
D801
S804
S804
S805
S805
S806
S806
S807
S808
S809
D801
R840
R841
R858
R842
R843
R844
R847
R846
R845
CNP802
R881
Q806
Q807
JW801
JW808
JW802
CN801
C815
Q801
R804
R802
R882
R872
L802
Q802
R890
JW809
C806
JW810
R808
R807
R866
R811
R877
R879
R806
R801
R809
R863
R865
R869
R870
R803
R876
R812
R805
JW805
JW811
JW806
X802
IC802
R814
D802
C802
C807
C801
R880
R864
R810
JW812
JW804
R871
R867
R868
C809
JW807
JW813
L803
R898
R899
C816
C810
JW826
R822
R896
R894
CN803
JW823
C814
R895
Q803
R834
JW817
R829
JW820
CN804
R827
JW816
R818
R823
R837
CN802
R824
X801
IC803
C804
C805
R893
R836
R835
R830
R826
R819
R828
L801
R825
C813
JW822
R817
C811
JW821
C812
JW818
JW819
R839
Q805
Q804
R891
JW824
JW815
JW814
C803
LCD801
R820
R813
R815
JW825
[CONTROL BOARD]
11
(11)
1-675-602-
1
80
75
70
65
60
55
50
45
D
CD BOARD
CN702
(Page 27)
BLU
1
2
BLK
BLU
CLOCK
TIMER
STANDBY
SLEEP
ALARM
MEGA BASS
SOUND
11
(11)
1-675-596-
11
(11)
1-675-599-
R848
R849
R850
R851
R859
JW880
JW881
S810
S811
S812
S813
VOL
–
VOL
+
(TEST-1)
u
>
+
.
–
TIME SET
TUNING
x
ESP
MONO/ST
MODE
DISPLAY
ENTER
+
–
PRESET
BAND
POWER
OPR/BATT
[SW (1) BOARD]
[SW (2) BOARD]
25
20
15
10
5
1
1
2
5
10
15
17
16
1
4
BLK
BLU
– 43 –
– 44 –
– 41 –
– 42 –
ZS-X7
Note:
•
X
: parts extracted from the component side.
•
b
: Pattern from the side which enables seeing.
Note:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
U
: B+ Line.
• Power voltage is dc 12 V and fed with regulated dc power
supply from external power voltage jack (J901).
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : CD
(
) : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
6-9. PRINTED WIRING BOARDS (CONTROL SECTION)
D801
F-1
D802
B-2
IC801
C-3
IC802
B-2
IC803
C-4
Q801
D-2
Q802
C-2
Q803
A-5
Q804
C-4
Q805
C-4
Q806
D-3
Q807
D-2
r
Semiconductor
Location
Ref. No.
Location
6-10. SCHEMATIC DIAGRAM (CONTROL SECTION)
r
Refer to page 21 for Circuit Boards Location.
r
Waveforms
2
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.1
µ
sec
2.7 Vp-p
4.19 MHz
IC801
es
XTAL
IC801
ud
TX
1
VOLT/DIV : 50mVAC
TIME/DIV : 5
µ
sec
271 mVp-p
32.768 kHz
