Sony ZS-SN10 Service Manual ▷ View online
9
ZS-SN10
3-7. OPTICAL PICK-UP (KSS-213C)
3-8. CD LID
4
flexible flat cable (16 core)
1
CD cover
2
gear (A)
3
sled shaft
5
optical pick-up
(KSS-213C)
(KSS-213C)
3
screw (B2.6)
4
damper
2
CD spring
1
claw
7
boss
5
9
CD lid
6
claw
8
boss
10
ZS-SN10
SECTION 4
ELECTRICAL ADJUSTMENTS
TUNER SECTION
0 dB=1
µ
V
[AM]
Setting:
Function: RADIO
RADIO/BAND, AUTO PRESET button: AM
Function: RADIO
RADIO/BAND, AUTO PRESET button: AM
[FM]
Setting:
Function: RADIO
RADIO/BAND, AUTO PRESET button: FM
Function: RADIO
RADIO/BAND, AUTO PRESET button: FM
• Repeat the procedures in each adjustment several times, and
the tracking adjustments should be finally done by the trimmer
capacitors.
capacitors.
• Remove FM antenna in FM adjustment.
AM RF signal
generator
30% amplitude
modulation by
400 Hz signal
Output level:
as low as possible
modulation by
400 Hz signal
Output level:
as low as possible
Put the lead-wire
antenna close to
the set.
antenna close to
the set.
+
–
–
level meter
set
32
Ω
i
jack (J301)
FM RF signal
generator
75 kHz frequency
deviation by 1 kHz
signal
Output level:
as low as possible
deviation by 1 kHz
signal
Output level:
as low as possible
+
–
–
level meter
0.01
µ
F
TUNER board
TP (GND)
TP (GND)
TUNER board
TP (ANT)
TP (ANT)
set
32
Ω
i
jack (J301)
digital voltmeter
TP (VT)
TP (GND)
100 k
Ω
TUNER board
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter
T1
450 kHz
(
): Singapore, Korean, Thai and Australian models
AM FREQUENCY COVERAGE ADJUSTMENT
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L4
530 kHz (531 kHz)
1.0
± 0.05 V
Confirmation
1,710 kHz
5.3
± 0.7 V (5.2 ± 0.6 V)
(1,611 kHz)
(
): Singapore, Korean, Thai and Australian models
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L3
620 kHz (621 kHz)
CT3
1,400 kHz (1,404 kHz)
FM IF ADJUSTMENT
Adjust for a minimum reading on level meter
T2
10.7 MHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L2
108 MHz
3.0
± 0.2 V
Confirmation
87.5 MHz
1.3
± 0.3 V
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L1
87.5 MHz
CT1
108 MHz
Adjustment and Connecting Location: TUNER board
(See page 11)
Ver. 1.1
ZS-SN10
11
11
ZS-SN10
CD SECTION
FOCUS BIAS CHECK
1. Connect the oscilloscope to TP (RFACO) and TP (VC) on the
CD board.
2. Insert the disc (PATD-012). (Part No.: 4-225-203-01)
3. Press the
3. Press the
u
button.
4. Confirm that the oscilloscope waveform is as shown in the
figure below. (eye pattern)
A good eye pattern means that the diamond shape (
A good eye pattern means that the diamond shape (
◊
) in the
center of the waveform can be clearly distinguished.
•
RF signal reference waveform (eye pattern)
VOLT/DIV: 0.2 V (with the 10: 1 probe in use.)
TIME/DIV: 200 ns
TIME/DIV: 200 ns
0.5 to 1.1 Vp-p
When observing the eye pattern, set the oscilloscope
for AC range and raise vertical sensitivity.
for AC range and raise vertical sensitivity.
TP
(VC)
TP
(RFACO)
IC201
– CD Board (Conductor Side) –
Checking Location:
Adjustment and Connecting Location:
L4
AM Frequency Coverage Adjustment
L2
FM Frequency Coverage Adjustment
AM Tracking Adjustment
CT3
L3
L3
FM Tracking Adjustment
T1 AM IF Adjustment
T2 FM IF Adjustment
L1
CT1
CT1
TP
(VT)
TP
(GND)
TP
(ANT)
– TUNER Board (Component Side) –
– TUNER Board (Conductor Side) –
12
12
ZS-SN10
ZS-SN10
5-1. BLOCK DIAGRAM – CD SERVO SECTION –
OPTICAL
PICK-UP BLOCK
(KSM-213CDP)
CH2OUTF
CH2FIN
FOCUS/TRACKING COIL DRIVER,
SLED/SPINDLE MOTOR DRIVER
IC402
12
6
CH2OUTR
11
CH1OUTR
13
CH1OUTF
14
CH3OUTF
17
CH3OUTR
18
SL–
SL+
TRK–
TRK+
FCS–
FCS+
2-AXIS
DEVICE
PD
LD
B
A
D
C
F
E
M402
(SLED)
M
CH4OUTF
16
CH4OUTR
15
CH2RIN 7
CH1RIN 5
CH1FIN 4
CH3FIN 23
CH3RIN 22
OPIN+ 2
CH4IN 24
OPOUT 27
FFDR
45
PD
67
F
51
E
50
D
60
C
59
B
58
A
57
LD
66
FRDR
46
TRDR
44
TFDR
43
SFDR
41
SRDR
42
MDP
38
SP–
SP+
M401
(SPINDLE)
M
CD DSP
IC201
SYSTEM CONTROLLER
IC801 (1/2)
XTAI 109
XTAO 108
SSTP 39
X202
16.9344MHz
S201
(LIMIT)
CD +3.3V
CD-L
RFACO
AOUT1 112
AOUT2 117
70
RFACI
71
XRST
8
MUTE
20
XTACN 7
ACK 15
ACK
63
A
AUTOMATIC
POWER CONTROL
Q321
XTACN
67
M-MUTE
66
XRST
68
IREQ 10
REQ 14
XLAT2 13
CLOK2 90
CLOK2
60
XLAT2
61
REQ
62
IREQ
57
DATA2 12
SCOR 26
SCOR
56
ODATA2
59
IDATA2
58
SENS 20
XLAT 16
CLOK 11
DATA 89
DATA
19
CLOK
20
XLAT
55
SENS
18
R-CH
• SIGNAL PATH
: CD PLAY
• R-ch is omitted due to same as L-ch.
53 CD-DOOR
S801
(CD LID OPEN/CLOSE DETECT)
(Page 14)
SECTION 5
DIAGRAMS
Click on the first or last page to see other ZS-SN10 service manuals if exist.