Sony ICF-CD553RM Service Manual ▷ View online
9
ICF-CD553RM
– SIDE-KEY BOARD (Conductor Side) –
TP603
CD TEST MODE
Procedure:
1. Connect 120 k
1. Connect 120 k
Ω and 47 kΩ resistors in parallel to the TP603 on the SIDE-KEY board, and short another end of resistors to the GND,
and the CD TEST MODE will be activated.
2. Insert a CD disc.
3. Turn the power ON. Press the
3. Turn the power ON. Press the
7
key.
4. The following shows the state transition table for each key operation in respective sub modes of CD TEST MODE.
State Transition Table
If each key is pressed in respective sub modes, the mode will transit to the sub modes listed in table.
Mode transits to sub modes listed in table, if a key is pressed in respective sub modes.
5.
Turn the power OFF to release the CD TEST MODE.
Mode
Description
LCD
Key
Main
Sub
s
7
.
>
BAND
PLAY/STOP
.
>
Processing
end
Long pressed
INT
State when TEST MODE is activated.
0
STOP0
FOCUS0
STOP
STOP0
State when
s
key is pressed once from initial state.
1
FOCUS0
SLDR
SLDF
EF
Normal
STOP0
Automatically adjusted value is held.
2
STOP0
FOCUS0
SLDR
SLDF
Normal
FOCUS
FOCUS0
Auto focus transfer mode
3
STOP
FOCUS
FOCUS
Focus servo ON state.(CLV-S, tracking/sled, servo OFF)
4
STOP
F.LPC
FCSR
FCSF
EF
AUTO
It will be referred to as LPC ON if focus carries out on.
OFF
F.LPC OFF
LPC OFF in focus state.
5
STOP
ALSV
FCSR
FCSF
SCURVE
ALL
ALSV
State where all servo systems are turned ON.
7
STOP
ALPC OFF
FCSR
FCSF
EF
AUTO
SERVO
ALPC OFF
State where all servo systems are turned ON.(LPC OFF)
8
STOP
TGUP
FCSR
FCSF
TGUP
State with tracking gain up in all servo systems are turned ON.(LPC ON)
9
STOP
ALSV
FCSR
FCSF
AUTO
Mode in which automatic adjustment is made at once.
b
SLED
SLDF
Sled is fed outward in stop state.
c
STOP
STOP
STOP
STOP
STOP
SLDF
SLDR
Sled is fed inward in stop state.
d
STOP
STOP
STOP
STOP
STOP
SLDR
F.SLED
FCSF
Sled is fed outward in focus state.
E
FOCUS
FOCUS
FOCUS
FOCUS
FOCUS
FCSF
FCSR
Sled is fed inward in focus state.
F
FOCUS
FOCUS
FOCUS
FOCUS
FOCUS
FCSR
Connecting Location:
10
ICF-CD553RM
CD-JUMP TEST MODE
Procedure:
1. Connect the oscilloscope to TP (TE) and TP (VREF) on the
1. Connect the oscilloscope to TP (TE) and TP (VREF) on the
CD board.
Connecting Location: CD board (See page 13)
Connecting Location: CD board (See page 13)
2. Connect 270 k
Ω and 47 kΩ resistors in parallel to the end of
TP603 on the SIDE-KEY board, and short another end of re-
sistors to the GND, and the CD-JUMP TEST MODE will be
activated.
sistors to the GND, and the CD-JUMP TEST MODE will be
activated.
3. Insert a CD disc.
4. Turn the power ON. Press the
4. Turn the power ON. Press the
7
key.
5 . If the
[MODE]
key is pressed, you can jump in fast feed or fast
reverse direction with the
>
or
.
key by the jump
amount set in Table 1.
Table 1
LCD
Key
>
.
REP ALL
TRACK + 1
TRACK - 1
SHUFFLE
TRACK + 10
TRACK - 10
SHUFFLE, REP
TRACK + 100
TRACK - 100
Waveform of TP (TE) and TP (VREF) output in each mode is as
follows.
follows.
6. Turn the power OFF to release the CD-JUMP TEST MODE.
REPEAT – ALL mode
500
500
µ
s/div
SHUFFLE mode
1 ms/div
1 ms/div
SHUFFLE – REPEAT mode
10 ms/div
10 ms/div
11
ICF-CD553RM
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter
T1
450 kHz
AM VCO VOLTAGE ADJUSTMENT
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L6
530 kHz
1.0
± 0.05 V
Confirmation
1,710 kHz
5.3
± 0.7 V
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L5
580 kHz
CT5
1,490 kHz
FM/TV/WEATHER IF ADJUSTMENT
Adjust for a minimum reading on level meter
T2
10.7 MHz
FM/TV (2 – 6 CH) VCO VOLTAGE ADJUSTMENT
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L4
TV 2 ch
0.55
± 0.15 V
CT3
108 MHz
4.5
± 0.15 V
FM/TV (2 – 6 CH) TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L2
TV 2 ch
Confirmation
108 MHz
TV (7 – 13 CH)/WEATHER (1 – 7 CH) VCO VOLTAGE ADJUSTMENT
Adjustment Part
Frequency Display
Reading on Digital Voltmeter
L3
WEATHER 2 ch
1.2
± 0.15 V
CT4
TV 13 ch
4.1
± 0.15 V
TV (7 – 13 CH)/WEATHER (1 – 7 CH) TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L1
WEATHER 2 ch
CT2
TV 13 ch
Adjustment and Connecting Location: TUNER board
(See page 12)
TUNER SECTION
0 dB=1
µ
V
[AM]
Setting:
Function: RADIO
Band: AM
Function: RADIO
Band: AM
[FM/TV/WEATHER]
Setting:
Function: RADIO
Band: FM/TV/WEATHER
Function: RADIO
Band: FM/TV/WEATHER
• Repeat the procedures in each adjustment several times, and the
tracking adjustments should be finally done by the trimmer ca-
pacitors.
pacitors.
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
6
Ω
AMP board
CN301 pin
CN301 pin
2
AMP board
CN301 pin
CN301 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
AMP board
CN301 pin
CN301 pin
2
AMP board
CN301 pin
CN301 pin
1
set
6
Ω
0.01
µ
F
TUNER board
TP (GND)
TP (GND)
TUNER board
TP (ANT)
TP (ANT)
digital voltmeter
TP (VT)
TP (GND)
100 k
Ω
TUNER board
SECTION 5
ELECTRICAL ADJUSTMENTS
12
ICF-CD553RM
Adjustment and Connecting Location:
T2
FM/TV/WEATHER
IF Adjustment
T1
AM IF Adjustment
L6
AM VCO Voltage Adjustment
CT2
L1
L2
FM/TV (2 – 6 CH)
Tracking Adjustment
AM Tracking Adjustment
L3
CT4
L4
CT3
L5
CT5
TV (7 – 13 CH)/
WEATHER (1 – 7 CH)
Tracking Adjustment
WEATHER (1 – 7 CH)
Tracking Adjustment
TV (7 – 13 CH)/
WEATHER (1 – 7 CH)
VCO Voltage Adjustment
WEATHER (1 – 7 CH)
VCO Voltage Adjustment
FM/TV (2 – 6 CH)
VCO Voltage Adjustment
VCO Voltage Adjustment
– TUNER BOARD (Component Side) –
– TUNER BOARD (Conductor Side) –
TP
(GND)
TP
(VT)
TP
(ANT)
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