Read Sony ZS-E5 (serv.man2) Service Manual online
ZS-E5
8
SECTION 4
ELECTRICAL ADJUSTMENTS
[AM]
Setting:
Function: RADIO
Band: AM
Setting:
Function: RADIO
Band: AM
[FM]
Setting:
Function: RADIO
Band: FM
Setting:
Function: RADIO
Band: FM
• Repeat the procedures in each adjustment several times, and
the tracking adjustments should be fi nally done by the trim-
mer capacitors.
mer capacitors.
Adjustment and Connecting Location:
AM RF signal
generator
30% amplitude
modulation by
400 Hz signal
Output level: as low as possible
Put the lead-wire
antenna close to
the set.
+
–
level meter
set
8
:
MAIN board
speaker terminal (CN305)
– MAIN Board (Conductor Side) –
– MAIN Board (Component Side) –
JL003
JL004
AM Frequency
Coverage Adjustment
CT500-3
L503
FM Tracking
Adjustment
L501
CT500-2
T501
AM IF Adjustment
AM Tracking
Adjustment
L500
CT500-4
FM Frequency
Coverage Adjustment
L502
CT500-1
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter
T501
455kHz
AM FREQUENCY COVERAGE ADJUSTMENT
Adjustment Part
Frequency Display
L503
510kHz
CT500-3
1,750kHz
AM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L500
620kHz
CT500-4
1,400kHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjustment Part
Frequency Display
L502
86.5MHz
CT500-1
109.5MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter
L501
fmin
CT500-2
fmax
TUNER SECTION
0 dB = 1μV
FM RF signal
generator
75 kHz frequency
deviation by 1 kHz
signal
Output level: as low as possible
+
–
level meter
set
8
:
0.01
PF
MAIN board
JL003
MAIN board
speaker terminal (CN305)
MAIN board
JL004
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