Sony SRF-H5 Service Manual ▷ View online
– 5 –
SECTION 3
DISASSEMBLY
Note :
Follow the disassembly procedure in the numerical order given.
3-1. NECK BAND REMOVAL
3-2. DRIVER (HEADPHONE) (R) REMOVAL
r
The equipment can be removed using the following procedure.
3-3. DRIVER (HEADPHONE) (L) REMOVAL
1
Claws
1
Claws
3
2
5
5
2
Ear hook (R)
Ear hook (L)
Neck band
4
Screws
(+P 2x4)
Main R assy
Main L assy
Read wire
2
1
Boss
Boss
Driver (Headphone) (R)
3
Remove solder
Main R assy
2
1
Boss
Boss
Driver (Headphone) (L)
3
Remove solder
Main L assy
Neck band
Set
DRIVER (Headphone) (R)
Main board
DRIVER (Headphone) (L)
Audio board
– 6 –
3-4. MAIN BOARD REMOVAL
3-5. AUDIO BOARD REMOVAL
2
4
Cabinet (Front) (R) assy
Main board
Cabinet (Rear) R
3
Remove solder
1
Screws (+BTP 1.7x8)
3
6
1
Battery case lid
Audio board
Cabinet (Front) (L)
Cabinet (Rear) (L)
4
Remove solder
2
Screws (+BTP 1.7x8)
2
Screw (+BTP 1.7x8)
5
Knob (VOL)
– 7 –
SECTION 4
GEAR (TUNING CAPACITOR) INSTALLATION
Note :
Follow the installation procedure in the numerical order given.
1 Turn the PVC shaft all the way counterclockwise.
2 Set the gear (tuning capacitor) onto the PVC shaft and secure it with screw.
2 Set the gear (tuning capacitor) onto the PVC shaft and secure it with screw.
Gear (Tuning capacitor)
PVC shaft
1
2
Screw (1.7x3)
– 8 –
TUNER SECTION
• POWER switch
: ON
• VOL
: MAX
AM Section
BAND switch
: AM
FM Section
BAND switch
: FM
SECTION 5
ELECTRICAL ADJUSTMENTS
AM RF signal
generator
generator
30% amplitude modulation by 400Hz
signal.
Output level : as low as possible
signal.
Output level : as low as possible
Put the lead-wire
antenna close to
the set.
antenna close to
the set.
FM RF signal
generator
generator
22.5kHz frequency deviation
by 400Hz signal.
Output level : as low as possible
by 400Hz signal.
Output level : as low as possible
FM WIRE
ANTENNA input
ANTENNA input
0.01 F
µ
set
16
Ω
speaker output
level meter
AM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L5
520kHz
CT1-3
1,750kHz < 1,650kHz >
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L7
620kHz
CT1-4
1,400kHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L8
86.5MHz
CT1-1
109.5MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
86.5MHz
CT1-2
109.5MHz
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
done by the trimmer capacitors.
no mark : COM
< > : AEP, Australian model
< > : AEP, Australian model
Adjustment Location : MAIN board (See page 10)
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