DOWNLOAD Sony ICF-SW07 Service Manual ↓ Size: 6.53 MB | Pages: 63 in PDF or view online for FREE

Model
ICF-SW07
Pages
63
Size
6.53 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
icf-sw07.pdf
Date
PREV: Sony ICF-M33RDS (serv.man3) Service Manual

Sony ICF-SW07 Service Manual ▷ View online

– 33 –
FM 100MHz Adjustment
BAND : FM
VOLUME control : as required
Connection Points :
Procedure :
1. Tune the set to FM 89.3MHz.
2. Adjust CT401 to obtain a 100MHz on the frequency counter.
Standard value : 99.99997 – 100.00003MHz
Adjustments Location : MAIN board
 MICROCOMPUTER SECTION
4MHz SYSTEM CLOCK Adjustment
BAND : AM
VOLUME control : as required
Connection Points :
Procedure :
1. Tune the set to AM 150kHz.
2. Adjust CT501 to obtain a 4.04MHz on the frequency counter.
Standard value : 4.038 – 4.042MHz
3. Tune the set to AM 1010kHz.
4. Make sure that the frequency counter reading is 3.9670 – 3.9730
MHz
Adjustments Location :
Adjustments Location :
RV405
RV403
RV412
RV411
RV406
RV401-412 : SW frequency
                     adjustment
T201 : FM frequency 
           coverage adjustment
RV410
T106 : FM tracking
           adjustment
T107 : FM tracking adjustment
T104 : AM 1st IF adjustment
T105 : AM 1st IF adjustment
CT201 : AM 2nd local 
             adjustment
RV203 : AM 2nd local adjustment
CT101 : FM tracking
             adjustment  
CT102 : FM tracking
             adjustment  
RV404
RV409
RV408
RV402
RV401
RV407
RV201 : SSB zero beat adjustment
RV202 : SD adjustment 
RV301 : FM stereo 
             adjustment
CT401: FM 100MHz
            Adjustment  
[MAIN BOARD] (Side B)
CT501: 4MHz system clock 
             Adjustment
[MICROCOMPUTER BOARD] (SIDE B)
1pF
1M
Ω
2.4k
Ω
0.01
µ
F
S
DC5V
2SK193-E
frequency
counter
TP
(4MHz)
TP
(4MHz)
servicing tool
[ MICROCOMPUTER BOARD] (Side A)
1pF
1M
Ω
2.4k
Ω
0.01
µ
F
S
DC5V
2SK193-E
frequency
counter
TP (FM OSC)
servicing tool
[ MAIN BOARD] (Side A)
– 34 –
SECTION 5
DIAGRAMS
5-1. EXPLANATION OF IC TERMINALS
IC402  
µ
PD17072GB-556-1A7 (PLL SYNTHESIZER CONTROL)
Pin No.
Pin name
I/O
Description
1
ROD/BAR
O
ROD/BAR antenna select output.   “H” : BAR,   “L” : ROD
2
AM/FM
O
AM/FM select output.   “H” : AM,   “L” : FM
3
ENV/PSN
O
ENV/PSN select output.   “H” : ENV,   “L” : PSN
4
SSB/SYNC
O
SSB/SYNC select output.   “H” : SSBR,   “L” : SYNC
5
L/U
O
USB/LSB select output.
6
BAND0
O
Meter band select output.
7
BAND1
O
Meter band select output.
8
BAND2
O
Meter band select output.
9
BAND3
O
Meter band select output.
10 – 13
–––––
–
Not used (OPEN).
14
DA0
I/O
DA signal in/out terminal.
15
DA1
I/O
DA signal in/out terminal.
16
DA2
I/O
DA signal in/out terminal.
17
DA3
I/O
DA signal in/out terminal.
18
GND
–
Ground terminal.
19
EO
O
PLL charge pump output.
20
VCOL
I
MF, HF input terminal.
21
VCOH
I
VHF input terminal.
22
REGO
O
Regurator output for PLL.
23
VDD
–
Power supply terminal.
24
XOUT
O
Osillator output terminal (75kHz).
25
XIN
I
Osillator input terminal (75kHz).
26
REG1
O
Regurator output for oscillator.
27 – 49
–––––
–
Not used (OPEN).
50
CE
I
Chip enable input.
51
REQ
I
PLL request signal input.
52
PLL-CTL
O
PLL control output.
53
UNLOCK
O
PLL unlock signal output.
54
ACK
O
Clock signal ouput for system control (IC501).
55
SCK
O
Clock signal ouput for sub system control (IC502).
56
SI
I
Data signal input for sub system control (IC502).
– 35 –
Pin No.
Pin name
I/O
Description
1 – 12
S12 – 23
O
LCD segment signal output.
13 – 16
–––––
–
Not used (OPEN).
17
XTAL-CTL
O
Level shift control output for system clock.
18
BEEP-CTL
O
Beep signal control ouptut.
19
IF-POWER
O
IF B+ ON/OFF control output.
20
AF-POWER
O
Power amp ON/OFF control output.
21
COM0
O
LCD common signal output.
22
COM1
O
LCD common signal output.
23
COM2
O
LCD common signal output.
24
COM3
O
LCD common signal output.
25
BIAS
O
Bias output for LCD.
26
VLC0
–
LCD drive power supply.
27
VLC1
–
LCD drive power supply.
28
VLC2
–
LCD drive power supply.
29
SD
I
SD signal input terminal.
30
TUNE
I
TUNE signal input terminal.
31
–––––
–
Connect to VDD.
32
HOLD
I
Hold switch input.
33
GND
–
Ground terminal.
34
MUTE
O
Mute signal output.
35
SET
  –
Not used (OPEN).
36
REQ-SUB
O
Request signal output for sub system control.
37
REQ-DTS
O
DTS request signal output for PLL.
38
VDET-1
I
Power voltage detect input.
39
SCK
I
Sub clock signal input.
40
SO
O
Data signal output.
41
SI
I
Data signal input.
42
ACK
I
Clock signal input from PLL.
43
VDET2
I
Power voltage detect input.
44
UNLOCK
I
PLL unlock detect input.
45
CARD
–
Connect to ground.
46
–––––
–
Not used (OPEN).
47
CS1
O
Chip select output for ROM.
48
BEEP
O
Beep signal output.
49
CS0
O
Chip select signal output.
50
KS0
I
Key input.
51
KS1
I
Key input.
52
KS2
I
Key input.
53
KS3
I
Key input.
54
VDD
–
Power supply terminal.
55
XT1
I
Sub clock input (32.768kHz).
56
XT2
O
Sub clock output (32.768kHz).
57
IC
–
Connect to VDD.
58
X1
I
Main system clock input (4MHz).
59
X2
O
Main system clock output (4MHz).
60 – 67
KR0 – KR7
I
Key input terminal.
68
RESET
I
System reset input.    “L” : Reset
69 – 80
S0 – S11
O
LCD segment signal output.
IC501  
µ
PD753017AGK-717-BE9 (MAIN SYSTEM CONTROL, LCD DRIVE)
– 36 –
IC502  
µ
PD753012AGK-781-BE9 (SUB SYSTEM CONTROL, LCD DRIVE)
Pin No.
Pin name
I/O
Description
1 – 18
S12 – S29
O
LCD segment signal output.
19, 20
–––––
–
Not used (OPEN).
21
COM0
O
LCD common signal output.
22
COM1
O
LCD common signal output.
23
COM2
O
LCD common signal output.
24
COM3
O
LCD common signal output.
25
BIAS
O
Bias output for LCD.
26
VLC0
–
LCD drive power supply.
27
VLC1
–
LCD drive power supply.
28
VLC2
–
LCD drive power supply.
29 – 37
–––––
–
Not used (Connect to GND).
38
REQ
I
Request signal input.
39
SCK
I
Sub clock input.
40
–––––
–
Not used (fix to “L”).
41
SI
I
Data signal input.
42 – 45
–––––
–
Not used (Connect to GND).
46
ACK
O
PLL clock signal control output.
47 – 53
–––––
–
Not used (OPEN).
54
VDD
 –
Power supply terminal.
55
XT1
I
Sub clock input  (32.768kHz).
56
XT2
O
Sub clock output (32.768kHz).
57
IC
 –
Connect to VDD.
58
X1
I
System main clock input (4MHz).
59
X2
O
System main clock output (4MHz).
60 – 67
–––––
–
Not used (OPEN).
68 – 80
S0 – S11
O
LCD segment signal output.
r
 Circuit Boards Location
ROM board
MICROCOMPUTER board
REEL board
CONTROL board
ANTENNA board
ICF-SW07
ANTENNA CONTROLLER
SW LOOP ANTENNA
MAIN board
KEY board
Page of 63
Display

Click on the first or last page to see other ICF-SW07 service manuals if exist.

RANDOM: