Sony ZS-YN7 Service Manual ▷ View online
17
17
ZS-YN7
ZS-YN7
6-2. BLOCK DIAGRAM – TUNER Section –
(Page 18)
(Page 18)
R COUNT
2
24
4
7
20
21
FM
RF AMP
FM
MIX
FM
OSC
FM IF
AMP
IF
BUFFER
AF
BUFFER
AF
AMP
MPX
MUTE
STEREO/
MONO,
FM/AM
FM/AM
AM IF
AMP
FM
DET
AM
DET
DET
6
FM
RF-IN
RF-IN
22
AM
RF AMP
AM
MIX
AM
RF-IN
RF-IN
MIX-OUT
OSC
-OUT
CF2
FM/AM PLL
IC2
CF4
FM
RF-OUT
RF-OUT
10
QUAD
FM
IF-IN
IF-IN
12
15
11
L-OUT
MPX
-IN
-IN
R-OUT
13
AM
IF-IN
IF-IN
LPF1/BAND
AM OSC
FM OSC
FM/AM RF AMP, MIX, OSC,
FM/AM IF AMP, DET, MPX
IC1
L2
FM FREQUENCY
COVERAGE
CT1, L1
FM TRACKING
CT3, L3
AM TRACKING
T1
AM IFT
LOW-PASS
FILTER
LOW-PASS
FILTER
• SIGNAL PATH
: FM
: AM
X1
75kHz
CT3
L1
FM RF
XOUT
XIN
AM IN
IF IN
ST
-IND
LP-OUT
LP-IN
FM IN
20
19
11
12
18
MW/L
W
6
CT1
D1
L4
AM
OSC
L2
FM OSC
LEVEL
DET
ST
IND
14
LPF2/MO-ST
AM
OSC
BUFFER
BUFFER
SWALLOW
COUNTER
UNIVERSAL
COUNTER
CCB
INTERFACE
REFERENCE
DIVIDER
UNLOCK
DETECT
12 BIT
PROGRAMMABLE
DIVIDER
PHASE
DETECTOR/
CHARGE PUMP
SHIFT REGISTER & LATCH
1/2
BAND
DI
CL
CE
DO
DET
-OUT
PD
IF-OUT
ST
-IND
2
3
1
4
10
9
BAND
7
MO/ST
13
8
17
16
17
18
16
19
D2
VT B+
D3
(1/2)
D3
(2/2)
T1
AM IF
• R-ch is omitted due to same as L-ch.
R DATA
R CLOCK
R CE
R-CH
C
R MUTING
B
T2
FM IFT
T2
FM IF
L3
AM FERRITE-ROD
ANTENNA
L4
AM FREQUENCY
COVERAGE
ANT1
FM TELESCOPIC
ANTENNA
TU L-OUT
R DATA, R CLOCK, R CE,
R COUNT, R MUTING
18
18
ZS-YN7
ZS-YN7
6-3. BLOCK DIAGRAM – MAIN Section –
(Page 17)
(Page 16)
(Page 17)
SYSTEM CONTROLLER
IC802 (2/2)
POWER
AMP
IC302
: CD PLAY
R-CH
R-CH
: FM
SP101
(L-CH)
(L-CH)
SP201
(R-CH)
J321
i
6
14
13
16
INPUT SELECT,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC301
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
SI
SC
R-CH
MEGA BASS
CONTROL
Q101
D301
MUTING
Q121
TU L-OUT
B
CD L-OUT
A
R-DATA
R-CLOCK
R-CLOCK
R-CE
R-COUNT
40
21
23
22
C
R-MUTE
39
SDA
SCL
5 6
EEP-SDA
EEP-SCL
EEPROM
IC803
41 42
R DATA
R DATA, R CLOCK,
R CE, R COUNT,
R MUTING
R CE, R COUNT,
R MUTING
R CLOCK
R CE
R COUNT
R MUTING
MUTING
Q806
VOL-CLK
68
VOL-DA
TA
67
A-MUTE
77
M-BASS
81
97 KEY2
S413 – 419
96 KEY11
S408, 410 – 412
95 KEY0
S401 – 407
CD-L
2 L-IN
8 RA-L
LCH
3
SELL
D402
(LCD BACK LIGHT)
LED DRIVE
Q812
TAP
(TEST A)
61 BACKLIGHT
55 TEST A
38 REMOTE
REMOTE CONTROL
RECEIVER
IC401
74
CD
75
RADIO
65
P-CON
PL-CONT
30
RESET
RMC +5V
VT B+
+3.3V
REGULATOR
IC801
RESET SIGNAL
GENERATOR
IC804
+1.5V
REGULATOR
IC706
D801
36
AC-IN
69
+6.2V
REGULATOR
Q955
B+ SWITCH
Q951 – 953
Q951 – 953
AC CHECK
Q805
B+ SWITCH
Q808, 809
RADIO +6V
CD +3.3V
MP3 +1.5V
Q802
B+
+6.2V
REGULATOR
Q954
+9V
CD +6V
+6V
RECT
D901 – 904
T901
POWER
TRANSFORMER
µ-COM +3.3V
DRY BATTERY
SIZE "C"
(IEC DESIGNATION R14)
6PCS. 9V
D952
D401
3.3V-REG 11
VOL-CHECK 94
J901
AC IN
OPR/BATT
92
BATT
TRIGGER
PLUNGER DRIVE
Q810, 811
PL801
TRIGGER
PLUNGER
µ-COM +3.3V
WAKE UP
SWITCH
Q807
52 JOG-A
53 JOG-B
35 WP
ROTARY
ENCODER
S420
(JOG)
X2
X1
26
28
LCD-AD0 – LCD-AD7
LIQUID CRYSTAL DISPLAY
LCD401
X801
4.19MHz
44 – 51
LCD-RES
70
LCD-AO
60
LCD-WR
72
B+ SWITCH
Q813, 814
RE B+
+3.3V
REGULATOR
IC901, Q956
TAP
(TEST B)
56 TEST B
19
19
ZS-YN7
ZS-YN7
•
Note for Printed Wiring Boards and Schematic Diagrams
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
• C
: panel designation.
• A
: B+ Line.
• H
: adjustment for repair.
•
Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
no mark : FM
supply from battery terminal.
no mark : FM
〈〈
〉〉
: AM
(
) : CD PLAY
[
] : MP3 PLAY
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: FM
f
: AM
J
: CD PLAY (ANALOG OUT)
c
: CD PLAY (DIGITAL OUT)
j
: LINE IN
•
Abbreviation
AUS
AUS
: Australian model
CND : Canadian model
KR
KR
: Korean model
MX
: Mexican model
SP
: Singapore model
•
Circuit Boards Location
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
• W
: indicates side identified with part number.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side) the parts face are indicated.
MAIN board
KEY (VOL) board
H/P board
POWER board
BATT (R) board
DOOR SW board
BATT (L) board
KEY (OPEN) board
KEY (POWER) board
LCD board
KEY (JOG) board
TU board
CD board
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
20
20
ZS-YN7
ZS-YN7
FB709
FB711
FB703
FB705
C715
R1004
R1003
C716
C740
C725
C741
C735
C744
C724
C783
C723
C719
R720
R721
R722
C721
C769
C766
C772
C773
R792
R791
R788
C734
C736
R789
C787
R779
R778
R777
C761
C750
FB704
C748
C749
FB702
R765
R761
R764
C781
C782
C784
C726
FB710
C733
IC706
FB712
R1006
R1005
M701
M702
CN702
S701
C705
C717
C774
C771
C746
C720
C702
CN701
X702
X702
C722
C742
C1005
JC702
JC703
R794
R740
C727
C728
R760
R759
R736
R737
R1002
FB701
C714
IC705
R1001
IC702
R718
R708
R713
R712
IC704
R710
C785
R785
R795
R787
R714
R786
R715
C708
C707
C753
C756
C754
R758
C763
C759
R717
R773
R776
R775
R774
R784
R711
R705
R772
R753
IC703
R754
R798
R716
C710
C712
C711
C713
C745
R709
R719
C779
R725
R796
R723
R701
R726
C703
R704
R703
R780
R702
FB707
FB706
C758
C757
C752
C755
R741
R742
R739
C770
C730
C729
R744
R743
R745
C731
R746
C767
C768
R755
C701
R727
R730
R783
R756
R757
R706
R707
R781
R782
IC701
R732
R733
R734
R728
R729
C1001
C1002
C1003
C751
C799
C798
R747
R749
R752
R748
R751
R750
C709
C743
R797
R799
C718
C704
C762
R771
R769
R768
C792
R762
R767
R790
R770
R763
R766
C780
FB708
C775
R793
C732
R724
C797
Q701
R735
Q702
C791
C789
C788
C790
R731
C739
C747
C1008
1
3
5
4
(COMPONENT SIDE)
CD BOARD
1-862-384-
11
(11)
15
28
14
1
22
7
21
8
1
29
1
30
31
60
120
1
61
90
91
16
48
49
64
32
17
33
2
28
1
15
30
16
1
12
24
13
(CONDUCTOR SIDE)
CD BOARD
1-862-384-
11
(11)
(SPINDLE)
M
(LIMIT)
(SLED)
M
A
MAIN
BOARD
CN805
TP
(VC)
TP (RF)
TP (TE)
OPTICAL
PICK-UP
BLOCK
(KSM-213RAP)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
A
B
C
D
E
F
G
H
I
6-4. PRINTED WIRING BOARD – CD Board –
•
See page 19 for Circuit Boards Location.
:Uses unleaded solder.
(Page 25)
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