DOWNLOAD Sony CFM-D1JMK2 / CFM-D1MK2 Service Manual ↓ Size: 1.59 MB | Pages: 22 in PDF or view online for FREE

Model
CFM-D1JMK2 CFM-D1MK2
Pages
22
Size
1.59 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfm-d1jmk2-cfm-d1mk2.pdf
Date
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CFM-D1JMK2/D1MK2
9
REDIO SECTION
Turn the adjustment screw for the maximum output levels.
Adjustment Location :
r
FM Section
BAND switch
: FM
Adjustment Location :
FM rf signal
generator
22.5kHz frequency deviation by
400Hz signal.
output level : as low as possible
r
MW Section
BAND switch
: MW
FINE TUNING control : mechanical center
AM  rf signal
generator
Put the lead-wire
antenna close to
the set.
30% amplitude modulation by 400Hz signal.
Output level : as low as possible
r
SW Section
BAND switch
: SW
FINE TUNING control : mechanical center
AM rf signal
generator
Earphone jack
32 
Ω
set
+
–
level meter
(range: 0.5-5V ac)
or distortion meter
r
Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
adjustment screw
 
Record/Playback Head Azimuth Adjustment
Procedure :
Mode : playback
test tape
P-4-A063
(6.3kHz, -10dB)
Earphone jack
32 
Ω
level meter
set
12pF
telescopic antenna
terminal
30% amplitude
modulation by 400Hz signal
output level : as low as possible
telescopic antenna
input
0.01 
µ
 F
tape speed adjustment
control Inside motor
CFM-D1JMK2/D1MK2
10
Adjustment Location :
[TUNER BOARD]  – COMPONENT SIDE –
L5 : MW Tracking Adjustment
L8 : SW1 Frequency coverage Adjustment
L7 : SW2 Frequency coverage Adjustment
CT5 : SW1 Frequency coverage Adjustment
L4 : SW2 Tracking Adjustment
L3 : SW1 Tracking Adjustment
CT6 : SW2 Frequency coverage Adjustment
L6 : MW Frequency coverage Adjustment
CT3 : MW Tracking Adjustment
L1 : FM Tracking Adjustment
T1 : FM IF Adjustment
CT4 : MW Frequency coverage
Adjustment
CT2 : FM Frequency coverage
Adjustment
T3 : FM IF Adjustment
CT1 : FM Tracking Adjustment
AM (MW/SW) IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T2
455kHz
<455kHz>
SW1 FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L8
CT5
2.2MHz
7.3MHz
<2.2MHz>
<7.3MHz>
 <       > : Saudi Arabia model   [      ]  : CFM-D1JMK2
L2 : FM Frequency coverage
Adjustment
T2 : AM (MW/SW)IF Adjustment
FM IF ADJUSTMENT
T1 : Adjust for a maximum reading on
   level meter.
T3 : Adjust for a minimum reading on
distortion meter.
SW1 TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
2.2MHz
<2.2MHz>
SW2 FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L7
CT6
6.8MHz
22.5MHz
<6.8MHz>
<22.5MHz>
SW2 TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L4
6.8MHz
<6.8MHz>
MW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L6
CT4
520kHz
1,680kHz
<516kHz>
<1,630kHz>
[516kHz]
[1,640kHz]
MW TRACKING  ADJUSTMENT
Adjust for a maximum reading on level meter.
L5
CT3
600kHz
1,400kHz
<600kHz>
<1,400kHz>
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L2
CT2
86.5MHz
109.5MHz
<87.35MHz>
<107.8MHz>
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
CT1
86.50MHz
109.5MHz
<87.35MHz>
<107.8MHz>
11
11
CFM-D1JMK2/D1MK2
4-1. BLOCK DIAGRAMS
L3
L4
S1-1
S1-2
S1-3
S1-5
S1-6
S1-4
ANT1
FM
TELESCOPIC
ANTENNA
L5
MW BAR
ANTENNA
CT3
RADIO
+B
RADIO
+B
RADIO +B
RADIO +B
RADIO
+B
CV3
S1-7
S1-8
CV4
RV1
FINE
TUNING
Q2
CT4
L6
CT5
L7
L8
CT6
L2
L1
CT2
CT1
CV2
CV1
IC1
FM/MW/LW FRONT-END
IF AMP, DET, FM MPX
S1
BAMD
FM
SW1
SW2
MW
S1
BAMD
FM
SW1
SW2
MW
13
1
15
16
14
12
T2
T1
T3
10
4
CF2
7
6
11
29
IC101
PRE/POWER
AMP
11
OVER LOAD
DET
Q103
AMP
Q101
Q102
RV102
VOLUME
RV101
TONE
Q106
12
6
7
18
15
EARPHONE
BOARD
+B
J101
SP101
SPEAKER
SP102
SPEAKER
POWER BOARD
SW901
VOLTAGE
SELECTOR
220-240V
110-120V
F901
J901
AC  IN
T901
POWER
TRANSFORMER
RECT
D901, 902,
D903, 904 
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
4PCS, 6V
S102-2
REC
SWITCH
REC
+B
S102-1
REC
SWITCH
REC
2
3
1
30
27
23
28
MIC NF
S101
FUNCTION
S101-2
RADIO
TAPE
(RADIO OFF)
REG
Q105, D102
S101-1
OPR/BATT
D101
E.C.M
MIC101
MIC
BOARD
HRP101
REC/PB
HEAD
HE101
ERASE
HEAD
S601
(TAPE SWITCH)
M101
REEL/CAPSTAN
MOTOR
S602
CUE/REVIEW
SWITCH
FM OSC
FM RF IN
FM MIX
FM RF OUT
3
AM MIX
AM RF IN
BAND SEL
QUAD
AM OSC
AM IF IN
FM IF IN
DET OUT
CF1
AUX
IN
LINE
OUT
POWER
IN
BIAS
BIAS
BTL2
BTL1
HEAD IN
(+)
HEAD IN
(-)
MIC IN
REC/PB
POWER
ON/OFF
TAPE
AUX
MAIN BOARD
RADIO +B
PB
PB
L3
SW1
TRACKING
FM
TRACKING
L4
SW2
TRACKING
CT3, L5
MW
TRACKIG
CT4, L6
MW
FREQUENCY
COVERAGE
SW2
FREQUENCY
COVERAGE
SW1
FREQUENCY
COVERAGE
FM
FREQUENCY
COVERAGE
CT6, L7
CT5, L8
CT1, L1
CT2, L2
AM IF
FM IF
FM DET
• Signal path.
F
: FM
E
: PB
a
: REC
e : MW
SECTION 4
DIAGRAMS
CFM-D1JMK2/D1MK2
12
12
4-2. SCHEMATIC DIAGRAM  – MAIN (1/2) SECTION –
S1(3/8)
CV3
S1(2/8)
S1(1/8)
C1
C2
BPF1
C3
C4
R2
C7
C6
R1
R4
CF1
R17
C10
C11
C34
C27
S1(6/8)
R13
C33
R14
C13
R12
R19
CF2
S1(8/8)
R7
R6
C18
R9
C20
C19
R10
C37
C15
C30
CV4
R11
C29
CT4
C25
CT6
R16
R18
S1(7/8)
CT5
C24
S1(5/8)
S1(4/8)
C21
CT3
C23
CV1
CT1
CV2
CT2
C28
C16
L3
L4
L8
L7
L6
RV1
L5
Q2
Q1
ANT1
IC1
R3
R5
C12
C14
C31
R15
C17
L1
L2
T1
T2
D4
D3
L11
2.2µH
T3
C5
C8
C36
C26
C32
L12
VC
220p
220p
0.01
33
50V
82
3.3p
20p
6.8
47k
10.7M
20k
0.47
50V
0.001
0.001
0.0015
1k
100
10V
1k
0.01
100k
680
455K
8.2k
47k
0.47
50V
22k
0.0047
0.0082
47
0.001
100
10V
15p
VC
47k
390p
VC
5p
5p
33
33
5p
5p
1p
VC
12p
VC
VC
VC
VC
0.0047
33
50V
100k
2SC945
RECT
2SC945TP
RECT
FM
TELESCOPIC
ANTENNA
TA8164P
10k
330
0.01
0.001
0.01
47
0.01
1SS119
1SS119
0.022
12p
33
16V
GND
+B
SIGNAL
*1
*2
FINE
TUNING
FERRITE-ROD
ANTENNA
FM/AM
RF/IF AMP,DET
 *C5
22p
20p
D1MK2:E,SP,UAE
D1JMK2,D1MK2:EA
FREQUENCY
COVERAGE
FM
L2,CT2
20p
D1MK2:E,SP,UAE
D1JMK2,D1MK2:EA
*C8
24p
FREQUENCY
COVERAGE
L8,CT5
SW1
FREQUENCY
COVERAGE
FREQUENCY
COVERAGE
L7,CT6
SW2
MW
L6,CT4
AM IF
FM IF
D1JMK2,D1MK2:EA
DET
FM
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