Sony ZS-YN7L Service Manual ▷ View online
29
29
ZS-YN7L
ZS-YN7L
F901
D901
D902
D903
D904
CN902
LF901
J901
C906
FH902
FH901
CN901
C903
C904
C901
C902
JW905
JW906
JW904
JW903
CN903
JW902
JW901
WP901
1-862-274-
11
(11)
POWER BOARD
∼
AC IN
T901
POWER TRANSFORMER
G
MAIN BOARD
CN904
1-862-279-
11
(11)
BATTERY (R) BOARD
DRY BATTERY
SIZE "C"
(IEC DESIGNATION R14)
6PCS. 9V
BATTERY (L) BOARD
1-862-278-
11
(11)
1
2
3
4
5
6
7
8
9
10
11
12
A
B
C
D
E
F
G
H
(Page 25)
6-13. PRINTED WIRING BOARDS – POWER Section –
•
See page 19 for Circuit Boards Location.
: Uses unleaded solder.
30
30
ZS-YN7L
ZS-YN7L
C391
CN902
JW401
JW402
JW403
LF901
CN406
C414
D403
S404
S405
S406
S407
R409
R408
R407
R406
R405
R404
CN404
CN405
CN408
C415
R430
C402
C401
R431
R401
R402
R403
R428
R424
R425
R427
R426
R439
R440
JW404
CN407
CN401
R414
R413
R419
R420
R421
R422
R423
D402
R498
R415
R416
R417
R418
S415
S416
R410
R411
R412
S408
C405
C406
R435
R441
C417
C429
R434
C409
C407
C410
C411
C412
C413
R445
R446
R447
R448
R449
R497
C418
C419
C420
C421
C422
C423
C424
C425
C426
C427
C428
CN402
CN403
LCD401
C404
C403
R432
R438
R442
R443
R444
C408
CN323
L201
L101
L301
R399
R398
C392
R391
R394
R393
CN321
L321
R226
R126
L221
L121
JW302
JW301
CN322
D903
C903
D904
C904
C902
D902
C901
D901
J901
CN903
JW905
JW906
JW903
JW904
WP901
JW901
JW902
C906
CN901
CN324
Q391
IC391
J322
R396
R395
R397
C393
C394
SP201
SP101
J321
F901
T901
S420
S417
S418
S419
S412
S411
S410
S409
S414
S413
JC402
JC401
JC403
L401
S401
S402
IC401
D401
S421
PL801
S403
R436
4.7
50V
50V
3P
2P
0.1
1N4002B
4.7k
2.2k
2.2k
1k
2.2k
1k
3P
2P
3P
0.01
100k
470p
0.01
47k
220
470
1k
220
470
470
1k
1k
22k
0
6P
21P
2.2k
1k
2.2k
1k
2.2k
2.2k
4.7k
SLI-343YC
100
220
470
1k
1k
220
470
1k
0.1
0.1
470k
10k
0.01
0.001
470k
0.1
0.1
0.1
0.1
0.1
0.1
100
100
100
100
100
100
47p
47p
47p
47p
47p
47p
47p
47p
0
47p
47p
5P
5P
25P
0.01
0.01
470
470
100
100
100
0.1
3P
2.2k
4.7k
0.1
220
220
220
4P
100
100
4P
1N4002B
0.022
1N4002B
0.022
0.022
1N4002B
0.022
1N4002B
3P
1P
10
50V
2P
3P
2SC4178
OFT-G338102
22k
22k
4.7k
6p
10p
T2AL
250V
250V
0
0
0
0
RPM7140-V4
L-34HD
100k
GND
OPR/BATT
KEY-0A
KEY-0B
CD DOOR
GND
GND
GND
KEY-0C
REMOTE
REM VCC
B
A
GND
KEY-0C
GND
C
LCD-CS
LCD-WR
LCD-RES
LCD-A0
LCD-AD7
LCD-AD6
LCD-AD5
LCD-AD3
LCD-AD4
LCD-AD2
LCD-AD1
LCD-AD0
LCD-GND
KEY-GND
JOG-A
JOG-B
LCD+3.3V
LIGHT +6V
KEY-1A
KEY-2A
LIGHT GND
KEY
-G
N
D
JOG
-A
JO
G-B
KEY
-1B
KEY-2B
L CH
R CH
R CH
L GND
R GND
L CH
R GND
L CH
R CH
L GND
V1
V2
V3
V4
CAP1+
CAP1-
CAP2+
CAP2-
VOUT
VR
VSS
V0
VDD
RESETB
D0
D1
D2
D3
D4
D5
D6
D7
CSB
WR
RS
CD 3.3V
D-GND
DATA
LED DRIVE
GND
VSS
NC
VIN
OPTICAL
DIGITAL
OUT(CD)
LINE
IN
LIQUID
CRYSTAL
DISPLAY
GND
+B
AC
TRANSFORMER
POWER
DRY BATTERY
SIZE"C"
6PCS. 9V
(IEC DESIGNATION R14)
ROTARY ENCODER
(JOG)
-
TUNE
+
TUNE
ENTER/
MEMORY
DISPLAY
MODE
REPEAT
PRESET -
PRESET +
LINE
RADIO
AUDIO PRESET
BAND
(LCD BACK LIGHT)
OPERATE
SLEEP
VCC
GN
D
O
U
T
REMOTE CONTROL
RECEIVER
OPR/BATT
+
-
VOLUME
MEGA BASS
SOUND
PLUNGER
PLUNGER
DETECT
CD LID
OPEN/CLOSE
TRIGGER
PLUNGER
OPEN
(L-CH)
(R-CH)
1
µH
1
µH
1
µH
1
µH
47
µH
47
µH
6-14. SCHEMATIC DIAGRAM – KEY/POWER Section –
(Page 21)
(Page 27)
(Page 27)
(Page 27)
(Page 27)
(Page 27)
(Page 26)
(Page 26)
(Page 26)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
31
ZS-YN7L
•
Waveforms
– MAIN Board –
– TU Board –
500 mV/DIV, 200 ns/DIV
100 mV/DIV, 200 ns/DIV
200 mV/DIV, 200 ns/DIV
1 V/DIV, 20 ns/DIV
– CD Board –
500 mV/DIV, 20 ns/DIV
500 mV/DIV, 5
µ
s/DIV
IC701
qg
(RFAC)
(CD play mode)
2
IC701
qh
(FE)
(CD play mode)
3
IC701
qk
(TE)
(CD play mode)
4
IC702
rk
(XTAO)
(CD play mode)
1
IC703
wl
(EXTAL)
(MP3 play mode)
7
IC2
w;
(XOUT)
qa
2 V/DIV, 100 ns/DIV
IC802
wh
(X2)
wa
2 V/DIV, 10
µ
s/DIV
5
IC702
<z/n
(LRCK)
(MP3 play mode)
2 V/DIV, 200 ns/DIV
6
IC702
<zz/
(BCK)
(MP3 play mode)
Approx.
140 mVp-p
140 mVp-p
0.8 Vp-p
Approx.
360 mVp-p
360 mVp-p
59 ns
3.2 Vp-p
22.6
µ
s
4.0 Vp-p
470
µ
s
4.2 Vp-p
44.4 ns
1.0 Vp-p
13.3
µ
s
0.9 Vp-p
240 ns
3.8 Vp-p
32
ZS-YN7L
IC701
CXA2647N-T4
•
IC Block Diagrams
– CD Board –
ROM/RW
ROM/RW
RF OFF AT VCC
VOFST
VOFST
DVC
VC
VC
VC
ROM/RW
VC
VC
30
29
28
+
–
+
–
VC
VCC
DVC
27
26
25
24
ROM/RW
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
ROM/RW
VC
ROM/RW
DVC
+
–
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
ROM/RW
DVC OR Hi-Z
SLEEP, APC OFF
VOFST
VC
ROM/RW
+
–
10
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDC
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
VC
+
–
VC
+
–
11
GM
F
GM
ROM/RW
(L/H)
VOFST
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