Sony ZS-SN10 Service Manual ▷ View online
13
13
ZS-SN10
ZS-SN10
5-2. BLOCK DIAGRAM – TUNER SECTION –
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
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
MUTING
Q808
BAND
DI
CL
CE
DO
DET
-OUT
ANT1
FM TELESCOPIC
ANTENNA
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)
AM IF
• R-ch is omitted due to same as L-ch.
R DATA
R CLOCK
R CE
R-CH
C
R MUTING
TU-L
B
T2
FM IFT
FM IF
L3
AM FERRITE-ROD
ANTENNA
R DATA, R CLOCK, R CE,
R COUNT, R MUTING
AM FREQUENCY
COVERAGE
(Page 14)
(Page 14)
14
14
ZS-SN10
ZS-SN10
5-3. BLOCK DIAGRAM – MAIN SECTION –
77
RESET
45
VH
69
VH-CONT
22
P-CON
SYSTEM CONTROLLER
IC801 (2/2)
+6V
REGULATOR
Q954
LED DRIVE
Q803
+6V
REGULATOR
Q955
B+ SWITCH
Q951 – 953
Q951 – 953
B+ SWITCH
Q809, 810
+3.3V
REGULATOR
IC802
RESET SIGNAL
GENERATOR
IC803
REMOTE CONTROL
RECEIVER
IC401
DC/DC
CONVERTER
IC901, Q956
+2.5V
REGULATOR
IC202
B+ SWITCH
Q813
B+ SWITCH
Q804, 806
DC LEVEL
DETECT
Q821, 822
46
VM
DC LEVEL
DETECT
Q811, 812
AU +6V
D402
(LCD BACK LIGHT)
AMP B+
F902
SYS +3.3V
SYS +3.3V
SW +9V
CD +3.3V
CD +6V
SYS +3.3V
CD +2.5V
RADIO +6V
E.VOL B+
RE B+
SYS +3.3V
LOAD CONTROL
SWITCH
Q823, 824
24
TU-ON
25
CD3.3V-ON
43
3.3V-CHECK
26
BUCKUP-ON
WAKE UP
SWITCH
Q807
70
LOAD
: CD PLAY
: FM
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
D401
OPR/
BATT
BATT
SHIFT
Q802
Q801, 802
SHIFT CLOCK
Q801
X801
4.19MHz
X802
32.768kHz
X1
X0
78
83
82
X1A
X0A
79
80
R-DATA
R-CLOCK
R-CLOCK
R-CE
R-COUNT
30
28
29
27
C
R-MUTE
31
LCD-DB0 – LCD-DB7
LIQUID CRYSTAL DISPLAY
LCD401
85 – 92
LCD-RES
93
LCD-RW
94
LCD-E
95
LCD-RS
96
BL
100
SDA
SCL
5
6
EEP-SDA
EEP-SCL
EEPROM
IC804
8
7
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
R MUTING
VOL-CLK
10
VOL-DA
TA
9
A-MUTE
21
MEGABASS
15
98 JOG-A
64 REMOTE
99 JOG-B
52 WP
40 KEY2
ROTARY
ENCODER
S401
(JOG)
S418 – 424
41 KEY0
S402 – 407
39 KEY1
S410 – 414, 425
R-CH
6
14
13
16
INPUT SELECT,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC301
SI
SC
TU-L
B
CD-L
A
CD-L
1 R-IN
8 RA-L
LCH
4
SEL L
J322
LINE IN
10 LI-L
POWER
AMP
IC304
R-CH
R-CH
SP101
(L-CH)
(L-CH)
SP201
(R-CH)
J301
i
R-CH
MEGA BASS
CONTROL
Q101
D301
MUTING
Q121
54
AC-IN
AC CHECK
Q805
RECT
D901 – 904
T901
POWER
TRANSFORMER
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
6PCS. 9V
J901
AC IN
RMC +5V
D801
32
VM-CONT
44
VOL-CHECK
(Page 12)
(Page 13)
(Page 13)
15
15
ZS-SN10
ZS-SN10
•
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 4.5V and fed with regulated dc power
supply from pin
supply from pin
1
and
2
of CN902 on the BATTERY 1
board, and from pin
3
and
2
as well.
no mark : FM
〈〈
〉〉
: AM
(
) : CD PLAY
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
•
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
Voltage variations may be noted due to normal production
tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: FM
f
: AM
J
: CD PLAY
j
: LINE IN
•
Abbreviation
AUS
AUS
: Australian model
CND : Canadian model
KR
KR
: Korean model
MX
: Mexican model
SP
: Singapore model
TH
: Thai model
TW
: Taiwan model
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.
Note:
The components identi-
fied by mark
fied by mark
0
or dot-
ted line with mark
0
are
critical for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés
par une marque
par une marque
0
sont cri-
tiques pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
•
Circuit Boards Location
LCD board
CD board
CONTROL (1) board
CONTROL (2) board
BATTERY 2 board
BATTERY 1 board
H/P board
POWER board
TUNER board
MAIN board
Ver. 1.1
16
16
ZS-SN10
ZS-SN10
5-4. PRINTED WIRING BOARD – CD BOARD –
•
See page 15 for Circuit Boards Location.
:Uses unleaded solder.
R256
C257
R260
C206
C205
C322
R323
R322
R321
R324
C223
C321
C268
C267
R271
R203
C226
R201
C227
C110
C108
C102
C203
C204
C270
C269
C101
IC202
C202
R207
C215
R202
C201
X202
R421
C424
C210
Q321
C207
C275
C323
C406
R401
C401
C219
R276
C271
C272
C104
C105
C107
C109
C232
C220
R249
R325
R326
R115
1-865-539-
11
(11)
CD BOARD
(COMPONENT SIDE)
E
1
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
A
B
C
D
E
F
G
H
I
R423
(Page 20)
C259
R257
C258
C260
C261
R258
R259
C208
R101
R265
R266
R267
C264
C265
R278
C111
C133
C214
R270
C221
C292
C291
R292
R291
IC201
C217
C132
C218
C224
R451
R102
R103
R104
R105
R107
R108
R109
R110
R111
C451
IC402
C256
C251
C252
C254
C253
R254
R255
R252
R253
CN301
C213
C222
C405
R113
C404
R452
C112
R275
R277
C103
R112
C301
C302
C303
C273
R268
C113
CN102
C230
R250
R280
CD BOARD
(CONDUCTOR SIDE)
1-865-539-
11
(11)
S201
(LIMIT)
M401
(SPINDLE)
M
M402
(SLED)
M
OPTICAL PICK-UP
BLOCK
(KSM-213CDP)
MAIN BOARD
CN801
A
Click on the first or last page to see other ZS-SN10 service manuals if exist.