Sony ICF-C717PJ Service Manual ▷ View online
ICF-C717PJ
9
2-9. TOP KEY BOARD
2-10. SPEAKER (36 mm) (SP201)
1 two sheets (1)
0 two sheets (F)
0 two sheets (F)
0 two sheets (F)
qs TOP KEY board
qa twelve sheets (key)
2 three tapping screws
2 three tapping screws
2 two tapping screws
4 two tapping screws
3 button (function, snooze) block
5 button (alarm A)
7 button (alarm B)
6 two tapping screws
8 flexible flat cable (5P)
(CN106)
9
1 cushion (speaker B)
2 three screws
3 speaker (36 mm) (SP201)
ICF-C717PJ
10
SECTION 3
TEST MODE
TEMPERATURE SWITCH MODE
Procedure:
1. Press the [SNOOZE/BRIGHTNESS] and [DATE/DST] but-
Procedure:
1. Press the [SNOOZE/BRIGHTNESS] and [DATE/DST] but-
tons simultaneously.
2. The temperature display (Centigrade/Fahrenheit) on the liquid
crystal display changes.
ONE DAY ALARM ON/OFF MODE
Procedure:
1. Press the [
Procedure:
1. Press the [
A ALARM ON/OFF], [ALARM ON/OFF B] and
[DISPLAY/CLOCK] buttons simultaneously.
2. The message “On” appears on the liquid crystal display, and
the one day alarm function turns on.
Note: It becomes impossible for the customer to select “WEEKDAY
WEEKEND” in the alarm setting. Do not use it usually.
3. To release this mode, Press the [
A ALARM ON/OFF],
[ALARM ON/OFF
B] and [DISPLAY/CLOCK] buttons si-
multaneously. The message “OFF” appears on the liquid crys-
tal display, and the one day alarm function turns off.
tal display, and the one day alarm function turns off.
AM FREQUENCY STEP CHANGE MODE (Singapore
model only)
Procedure:
1. Press the [OFF] button to select the clock mode.
2. Press the [RADIO], [OFF] and [DATE/DST] buttons simulta-
model only)
Procedure:
1. Press the [OFF] button to select the clock mode.
2. Press the [RADIO], [OFF] and [DATE/DST] buttons simulta-
neously.
3. The AM step changed between 9 kHz/0.05 MHz and 10
kHz/0.1 MHz.
FIRMWARE VERSION DISPLAY MODE
Procedure:
1. Press the [AUDIO IN] button to select the “AUDIO IN”.
2. Press the [
Procedure:
1. Press the [AUDIO IN] button to select the “AUDIO IN”.
2. Press the [
–
TIME SET] (left side), [– TIME SET] (right side)
and [NATURE SOUND/PRESET 1] buttons simultaneously.
3. The
fi rmware version appears on the liquid crystal display.
AUTO TIME SET MODE
Note: Execute this mode only when it is necessary to execute reset of the
time setting and radio preset.
Procedure:
1. Press the [OFF] button to select the clock mode.
2. Press the [VOL +], [TUNING +] and [SLEEP] buttons simul-
1. Press the [OFF] button to select the clock mode.
2. Press the [VOL +], [TUNING +] and [SLEEP] buttons simul-
taneously.
3. The
t
ime setting and radio preset are reset.
PROJECTOR ALL SEGMENTS DISPLAY MODE
Procedure:
1. Press the [OFF] button to select the clock mode.
2. Press the [
Procedure:
1. Press the [OFF] button to select the clock mode.
2. Press the [
–
TIME SET] (left side), [– TIME SET] (right side)
and [PROJECTION ROTATE] buttons simultaneously.
3. All segments of the projector are lighted up.
4. To release this mode, Press the [PROJECTION ON/OFF] but-
ton.
LIQUID CRYSTAL DISPLAY ALL SEGMENTS DISPLAY
MODE
Procedure:
1. Press the [AUDIO IN] button to select the “AUDIO IN”.
2. Press
MODE
Procedure:
1. Press the [AUDIO IN] button to select the “AUDIO IN”.
2. Press
the
[
–
TIME SET] (left side), [– TIME SET] (right side)
and [TUNING +] buttons simultaneously.
3. All segments of the liquid crystal display are lighted up.
4. To release this mode, Press the any buttons.
OUTPUT 32 kHz FREQUENCY MODE
Procedure:
1. Press
Procedure:
1. Press
the
[
–
TIME SET] (left side), [– TIME SET] (right side)
and [TUNING –] buttons simultaneously.
2. After 10 seconds, 32.768 kHz can be measured through the
BUZZER pin.
3. To release this mode, Press the [OFF] button.
ICF-C717PJ
ICF-C717PJ
11
11
SECTION 4
DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
•
C : Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
•
A : B+ Line.
• Power voltage is dc 8 V and fed with regurated dc power
supply from T201 and T201A on the MAIN board, and
power voltage is dc 3 V and fed with regurated dc power
supply from BAT1 and BAT2 on the LCD board.
power voltage is dc 3 V and fed with regurated dc power
supply from BAT1 and BAT2 on the LCD board.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TUNER
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
TUNER
f
: NATURE SOUND
i : AUDIO IN
For Printed Wiring Boards.
Note:
•
•
X : Parts extracted from the component side.
•
Y : Parts extracted from the conductor side.
•
W : Indicates side identifi ed with part number.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: The components identifi ed by mark
0 or dotted
line with mark
0 are critical for safety.
Replace only with part number specifi ed.
• Waveforms
– MAIN Board –
– LCD Board –
• Circuit Boards Location
1
IC801
ql (RCLK)
200 mV/DIV, 10
Ps/DIV
30.4
Ps
0.7 Vp-p
qa
IC101
qg (XT2)
1 V/DIV, 10
Ps/DIV
30.4
Ps
2.4 Vp-p
qs
IC101
qk (X2)
1 V/DIV, 100 ns/DIV
240 ns
2.5 Vp-p
TOP KEY board
REAR KEY board
LCD board
PROJ board
MAIN board
LED board
ICF-C717PJ
ICF-C717PJ
12
12
B E
BE
R210
R216
R217
R220
R801
R806
R807
R809
R231
R232
R235
R237
R239
C206
R243
C207
C208
R251
C215
R252
C216
R254
C801
R264
C228
C805
C806
C807
C808
C809
C810
R270
C811
R272
C812
R273
C813
C814
C815
C816
C817
C242
C243
C820
C821
C822
C251
C260
C261
C262
C268
D209
Q308
IC202
D801
IC206
D802
D804
D805
D805
D806
D807
CL01
CL02
CL03
CL04
CL05
CL06
CL07
CL08
CL09
IC801
CL10
CL11
CL12
CL16
R326
R327
C301
C310
R351
C326
TP602
TP603
TP604
C331
C332
C333
Q212
L205
L206
L207
L209
L810
L811
L812
L813
L814
L815
L816
L817
L818
L819
L822
L823
L825
L827
R203 R204
R208
3
1
CN202
T201
C328
C335
T201A
1
2
C205
C254
C324
C325
C327
L202
1
12
6
7
9
4
10
3
14
13
IC301
E
B
18
19
1
2
CN205
C227
C229
C259
Q206
1
3
1
3
JK801
JK801A
X801
A001
L801
W203
CN208
CN206
1
24
13
12
1
32
16
17
16
8
9
1
B
E
BE
B E
B
E
E
R212
R213
R215
R218
R221
R222
R223
R224
R225
R802
R803
R228
R804
R805
R230
R234
R236
R238
C202
C203
R240
C217
R258
C224
C225
C226
C803
C804
R265
R266 R267
R268
C230
C231
C232
C233
C234
C236
R274
R275
C818
C819
C241
C245
C247
C248
C249
C250
C252
JS007
C255
C256
C264
D205
C265
C266
D206
C267
D207
C269
C270
JS204
Q201
Q203
Q208
Q210
L210
L211
L821
L824
R201
R202
R205
R206
R209
1-881-535-
11
(11)
MAIN BOARD
(CONDUCTOR SIDE)
A
LCD BOARD
C
SP201
3
2
1
AC01
AC POWER
ADAPTOR
(AC IN)
BLK
BLK/WHT
BZ201
BLK
WHT
RED
BLK
WHT
RED
BUILT-IN
AUDIO CABLE
CP204
AM ANTENNA
RED
NATURAL
SILVER
FM01
FM WIRE
ANTENNA/
TEMPERATURE
SENSOR
1-881-535-
11
(11)
MAIN BOARD
(COMPONENT SIDE)
(CHASSIS)
(CHASSIS)
A
B
C
D
E
1
2
3
4
5
6
7
4-1. PRINTED WIRING BOARD - MAIN Board -
•
: Uses unleaded solder.
• See page 11 for Circuit Boards Location.
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