Sony ZS-H10CP / ZS-H20CP Service Manual ▷ View online
13
ZS-H10CP/H20CP
COLD RESET
Procedure:
1. In the standby mode or power on status, press three buttons of
[POWER], [TUNE/FOLDER -],
x
simultaneously.
2. The set is reset and display “RESET”, then becomes standby
status.
PANEL TEST MODE
Procedure:
1. In the standby mode or power on status, press three buttons of
[AUDIO IN], [TUNE/FOLDER +],
x
simultaneously.
2. When enter this mode, it turns on all segments of the LCD.
3. In this mode, it displays as follows.
3. In this mode, it displays as follows.
[AUDIO IN] button: Version display
[REPEAT] button : Destination display
[REPEAT] button : Destination display
CHANGE OF THE AM TUNING INTERVAL
(H20CP: E model only)
(H20CP: E model only)
• The AM tuning interval can be changed to 9 kHz or 10 kHz
Procedure:
1. Press the [POWER] button to turn the power on.
2. Press the [RADIO, BAND, AUTO PRESET] button to select “AM”.
3. Keep pressing the [DSP/ENTER] button unit “AM-
2. Press the [RADIO, BAND, AUTO PRESET] button to select “AM”.
3. Keep pressing the [DSP/ENTER] button unit “AM-
**” is
displayed (2 seconds), and then keep pressing the [RADIO,
BAND, AUTO PRESET] button unit “9K STEP” or “10K STEP”
is displayed (2 seconds).
BAND, AUTO PRESET] button unit “9K STEP” or “10K STEP”
is displayed (2 seconds).
4. Press the
.
/
>
button to change the AM tuning interval.
SECTION 4
TEST MODE
14
ZS-H10CP/H20CP
SECTION 5
ELECTRICAL ADJUSTMENTS
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
32
Ω
JACK Board
i
jack (J302)
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
JACK Board
i
jack (J302)
digital voltmeter
TP (VT)
TP (GND)
100 k
Ω
TU board
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter
T1
450 kHz
(
): H20CP: E model
AM FREQUENCY COVERAGE ADJUSTMENT
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L4
530 kHz (531 kHz)
1.0
± 0.1 V
Confirmation
1,710 kHz
5.1
± 0.4 V (5.0 ± 0.4 V)
(1,611 kHz)
(
): H20CP: E model
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: TU board
(See page 15)
ZS-H10CP/H20CP
15
15
ZS-H10CP/H20CP
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
– TU Board (Component Side) –
TP
(VT)
TP
(GND)
TP
(ANT)
– TU Board (Conductor Side) –
Checking Location:
+
–
–
CD board
TP (RFACO)
TP (VC)
TP (VC)
oscilloscope
(DC range)
Procedure :
1. Connect oscilloscope to TP (RFACO) and TP (VC) on the CD
board.
2. Press the [POWER] button to turn the power on.
3. Set the disc (PATD-012) and press the
3. Set the disc (PATD-012) and press the
u
button to playback.
4. Confirm that 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.
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
TIME/DIV: 500 ns
level:
0.8 to 1.4 Vp-p
0.8 to 1.4 Vp-p
CD SECTION
Note:
1.
CD Block is basically constructed to operate without adjustment.
2.
Use PATD-012 disc (Part No. 4-225-203-01) unless otherwise
indicated.
indicated.
3.
Use an oscilloscope with more than 10 M
Ω impedance.
4.
Clean the object lens by an applicator with neutral detergent when the
signal level is low than specified value with the following checks.
signal level is low than specified value with the following checks.
5.
Check the focus bias check when optical pick-up block is replaced.
FOCUS BIAS CHECK
TP
(VC)
TP
(RFACO)
IC201
– CD Board (Conductor Side) –
ZS-H10CP/H20CP
16
16
ZS-H10CP/H20CP
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM – CD SERVO Section –
CD DSP
IC201
CH2RIN
MUTE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
57
64
A
A+3.3V
(CD)
DETECTOR
A
AC_
SUM
58 B
65
EG_
IN
IN
70
RFACO
71 RFACI
3
PCMD
112
AOUT1
117
AOUT2
4 PCMDI
5
BCK
55
FEO
53
TEO
52
TEI
54
FEI
6 BCKI
R-CH
1
LRCK
2 LRCKI
59 C
60 D
50 E
51 F
66 LD
67 PD
16 CH4OUTF
15 CH4OUTR
27 OPOUT
38 MDP
AUTOMATIC
POWER CONTROL
Q321
LD
PD
LASER DIODE
OPTICAL PICK-UP
BLOCK
(KSM-213CDP)
B
C
D
E
F
41 SFDR
42 SRDR
43 TFDR
44 TRDR
45 FFDR
46 FRDR
DATA
I-V AMP
M401
(SPINDLE)
M402
(SLED)
17 CH3OUTF
18 CH3OUTR
14 CH1OUTF
13 CH1OUTR
12 CH2OUTF
11
7
20
89
SSTP
39
CH2FIN 6
CH1RIN 5
CH1FIN 4
CH3RIN 22
CH3FIN 23
CH4IN 24
OPIN+ 2
CH2OUTR
M
M
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC402
S201
(LIMIT)
D+3.3V
(CD)
108
XTAO
109
XTAI
X201
16.9344MHz
CLOCK 11
XLAT 16
SENS 20
SCOR 26
DATA2 12
CLK2 90
XLAT-MP3 13
REQ-MP3 14
IREQ-MP3 10
ACK-MP3 15
XTACN 7
XRST 8
31 O-CD-CMD
30 O-CD-CLK
8 O-CD-XLAT
43 I-CD-SCOR
7 I-DATA-MP3
5 O-DATA-MP3
6 O-CLK-MP3
10 O-XLAT-MP3
12 O-RQ-MP3
27 I-RQ-MP3
28 I-ACK-MP3
26 O-CD-XTACN
4 CD-XRST
11 O-M-MUTE
29 I-CD-SENS
A
CD-L
SYSTEM CONTROLLER
IC801 (1/2)
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
(Page 18)
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