Sony ZS-X10 Service Manual ▷ View online
13
ZS-X10
SECTION 5
ELECTRICAL ADJUSTMENTS
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter
T1
450 kHz
( ): Singapore and Australian models
AM VCO VOLTAGE 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 (4.8
±
0.7 V)
(1,611 kHz)
( ): Singapore 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 VCO VOLTAGE 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: TU board
(See page 14)
TUNER SECTION
0 dB=1
µ
V
[AM]
Setting:
Function: RADIO
Band: AM
Function: RADIO
Band: AM
[FM]
Setting:
Function: RADIO
Band: FM
Function: RADIO
Band: 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
3.2
Ω
AUDIO board
CN302 pin
CN302 pin
2
AUDIO board
CN302 pin
CN302 pin
1
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
AUDIO board
CN302 pin
CN302 pin
2
AUDIO board
CN302 pin
CN302 pin
1
set
3.2
Ω
0.01
µ
F
TU board
TP (GND)
TP (GND)
TU board
TP (ANT)
TP (ANT)
digital voltmeter
TP (VT)
TP (GND)
100 k
Ω
TU board
PRECAUTION
1. Setting
MEGA BASS : OFF
Ver. 1.1
14
ZS-X10
Adjustment and Connecting Location:
– TU BOARD (Component Side) –
– TU BOARD (Conductor Side) –
L4
AM VCO Voltage Adjustment
L2
FM VCO Voltage 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)
ZS-X10
15
15
ZS-X10
FOCUS BIAS CHECK
procedure:
1. Connect the oscilloscope to TP (RF) and TP (VC) on the CD
board.
2. Set the CD test mode. (Refer to CD TEST MODE (See page
12))
3. Press the
u
button twice. (LCD DISPLAY “P –”)
Note:
If this check is performed continuously after the TRAVERSE
CHECK, press the u button once.
CHECK, press the u button once.
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.
5. To check CD-RW, turn the power off. Change discs to CD-
RW (TCD-W082L) (Part No. J-2502-063-2), then set the CD
test mode again. (Refer to CD TEST MODE (See page 12))
test mode again. (Refer to CD TEST MODE (See page 12))
• RF signal reference waveform (eye pattern)
Connecting Location:
CD SECTION
Perform all CD section check in the test mode.
TRAVERSE CHECK
procedure:
1. Connect an oscilloscope to TP (TE) and TP (VC) on the CD
board.
2. Set the CD test mode. (Refer to CD TEST MODE (See page
12))
3. Press the
u
button once. (LCD DISPLAY “F –”)
4. Confirm that the center of the oscilloscope waveform is at 0 V.
5. Confirm that the oscilloscope waveform Vp-p value is at 0.95
5. Confirm that the oscilloscope waveform Vp-p value is at 0.95
± 0.4 V.
6. To check CD-RW, turn the power off. Change discs to CD-
RW (TCD-W082L) (Part No. J-2502-063-2), then set the CD
test mode again. (Refer to CD TEST MODE (See page 12))
test mode again. (Refer to CD TEST MODE (See page 12))
VOLT/DIV: 0.2 V (with the 10: 1 probe in use.)
TIME/DIV: 500 ns
TIME/DIV: 500 ns
CD:
1.0
1.0
±
0.3 Vp-p
CD-RW:
1.0
1.0
±
0.4 Vp-p
When observing the eye pattern, set the oscilloscope
for AC range and raise vertical sensitivity.
for AC range and raise vertical sensitivity.
VOLT/DIV: 0.2 V (with the 10:1 probe in use)
TIME/DIV : 1 ms
TIME/DIV : 1 ms
0 V
A
B
Vp-p=A+B
– CD BOARD (Conductor Side) –
TP
(TE)
TP
(VC)
TP
(RF)
MEMO
16
16
ZS-X10
ZS-X10
SYSTEM
CONTROLLER
IC802 (1/2)
PD (I)
: CD PLAY
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
A
B
D
F
E
C
I-V AMP
DETECTOR
LD
PD
LASER DIODE
OPTICAL PICK-UP
BLOCK
(KSM-213CAP)
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
A
D
C
B
F
E
LD
PD
F+
F—
T+
T—
3
BD (I)
6
F (I)
2
AC (I)
RF SIGNAL
GENERATOR
100
99
EQO (O)
RFI (I)
9
FEO (O)
5
E (I)
8
FEN (I)
96
TEO (O)
97
TEN (I)
AUTOMATIC
POWER
CONTROL
Q701
13
LD (O)
APC
12
DIGITAL
SIGNAL
PROCESSOR
17
18
12
11
27
SL+
SL—
T—
T+
F+
F—
SPINDLE
MOTOR DRIVE
M701
(SPINDLE)
SLED
MOTOR DRIVE
26
M702
(SLED)
TRACKING
COIL DRIVE
FOCUS
COIL DRIVE
SP+
SP—
3
24
20
9
TIN
(FIN)
14
OPOUT
FOCUS
COIL DRIVE
15
OPIN
(SLIN)
SPIN
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC703
2
1
M
M
7
MUTE
FOCUS GAIN
UP SWITCH
Q705
FOCUS GAIN
UP SWITCH
Q704
16M BIT SD-RAM
IC702
ANTI-SHOCK
MEMORY CONTROLLER
DIGITAL SERVO
SIGNAL PROCESSOR
56 — 71
41 — 52
19 — 24, 27 — 32
2, 3, 5, 6, 8, 9, 11, 12, 39,
40, 42, 43, 45, 46, 48, 49
RCLK (O)
DQ00 — DQ15
DQ0 — DQ15
A00 (O) — A11 (O)
A0 — A11
CLK
35
RCKE (O)
CKE
34
WEX (O)
WE
15
CASX (O)
CAS
16
RASX (O)
RAS
17
37 38 55 54 53
16K SRAM
FOCUS GAIN
CONTROL SWITCH
Q703
21
TDOUT (O)
20
JUMPO (O)
23
SDOUT (O)
24
CLVOUT (O)
19
FDOUT (O)
91
XPLCK
88
DFDIN (I)
RESETX
33
RW (I)
30
MCK (I)
31
DIN (I)
32
DOUT (O)
53 C-DOUT (I)
54 C-DIN (O)
55 C-MCK (O)
62 C-RW (O)
64 C-RESETX (O)
61 C-BUSY (I)
52 C-SUBSYQ (I)
COMMAND
INTERFACE
INTERFACE
D703
34
1BIT
D/A CONVERTER
80
LDACO
82
RDACO
CD-LOUT
RF AMP, FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO SIGNAL PROCESSOR,
DIGITAL FILTER, D/A CONVERTER,
ANTI-SHOCK MEMORY CONTROLLER
IC701
A
R-CH
X8 OVER
SAMPLIMG
DIGITAL FILTER
DIGITAL SERVO
FILTER
SERVO
SIGNAL
GENERATOR
XI (I)
XO (O)
X701
16.9344MHz
77
BUSY 35
SUBSYQ 29
76
MONI0
MONI1 90
89
ERROR
MONITOR
Q702
29
C-DOOR
S801
PUSH OPEN/CLOSE
63 C-LIM SW (I)
When the optical pick-up
is inner position
is inner position
ON :
S701
(LIMIT)
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM – CD SERVO Section –
(Page 18)
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