Read Sony ICF-C717PJ Service Manual online
ICF-C717PJ
ICF-C717PJ
13
13
4-2. SCHEMATIC DIAGRAM - MAIN Board -
• See page 11 for Waveforms. • See page 16 for IC Block Diagrams. • See page 17 for IC Pin Function Description.
BOARD
LCD
A
IC B/D
IC B/D
1
IC B/D
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
5.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
2.9
3
3
3.2
0.8
0.8
3
2.8
0.8
3
3
3
0
0
0.4
3
0
3
3
TUNER mode: 3
Nature sound mode: 0
Nature sound mode: 0
3
0
1.6
0
0.6
Standby mode: 0
Power on mode: 8
8
4.2
7.2
4.6
0.6
0
5.1
0
5.6
0
0.7
5.9
7.5
7.5
5.7
8
0
8
0
0.6
0
1.4
8
2SC3052EF-T1-LEF
Q201
100p
C230
100p
C231
100p
C236
1000p
C801
0
R807
2SC3052EF-T1-LEF
MUTING
Q210
0.1
C310
UTC8227
IC301
1
STBY
2
L_OUT
3
STRAP1
4
PREGND
5
LIN-
6
LIN+
7
RIN+
8
RIN-
9
RIPPLE
10
STRAP2
11
R_OUT
12
VCC
13
PWR_GND
14
PWR_GND
0.1
C331
220
R327
RT1P144C-TP-1
Q308
10V
470
C335
0.068
C245
0.068
C247
TP603
TP604
TP602
4.7
R351
0.22
C333
0.01
C241
16V
47
C325
16V
100
C327
470
R205
MA2J1110GLS0
D805
MA2J1110GLS0
D804
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
19P
CN205
MA2J1110GLS0
D806
MA2J1110GLS0
D807
0.47
C816
1000p
C812
MA2J1110GLS0
D802
MA2J1110GLS0
D801
22p
C822
16V
1000
C328
16V
47
C324
0
L813
0
L827
0
L814
0
L821
0
L815
0
L822
0
L816
0
L823
0
L817
0
L824
0
L812
0
L818
0
L825
0
L819
1
CN208
1P
2SC3052EF-T1-LEF
BUZZER DRIVE
Q212
0.1
C260
UDZSUSTE-175.6B
D206
MA2J1110GLS0
D209
KTA1273-Y-AT
Q206
1k
R230
2SC3052EF-T1-LEF
Q203
1k
R239
2SC3052EF-T1-LEF
Q208
MA2J1110GLS0
D207
1k
R237
R2A15909SP
IC202
1 INR1
2 INR2
3 INR3
4 INR4
5 INR5
6 INR6
7 DIFFG
8 INL6
9 INL5
10
INL4
11
INL3
12
INL2
13
INL1
14
AGND
15
REFIN
16
VCC
17
DEPOP
18
SCL
19
SDA
20
DGND
21
IGOUTL
22
VOLINL
23
IGOUTR
24
VOLINR
25
BASSL2
26
BASSL1
27
TREL
28
TRER
29
BASSR2
30
BASSR1
31
LOUT
32
ROUT
1k
R802
1k
R803
1k
R228
BZ201
10uH
L811
L810
1uH
24
23
22
21
20
19
18
7
8
9
6
5
4
3
2
1
17
16
15
14
13
10
11
12
SI4730-C40
IC801
DOUT
DFS
GPO3/DCLK
GPO2/INT
GPO1
NC
NC
FMI
RFGND
NC
NC
AMI
GND
GND
RST
SEN
SCLK
SDIO
RCLK
VIO
VDD
GND
ROUT
LOUT
JK801
JK801A
1
2
2P
CN206
39mH
L202
L205
L206
L210
L207
L209
L211
SNC21120A
IC206
1
N.C
N.C
N.C
N.C
N.C
2
RESET
3
DAT
4
5
6
7
8
OSC
9 VDD
10
GND
11
DAON
12
VDDIO
13
DAOP
14
GNDIO
15
CLK
16
N.C
CL04
CL01
CL02
CL03
CL05
CL06
CL07
CL08
CL10
CL11
CL09
CL16
CL12
MA2J1110GLS0
D205
32.768kHz
X801
16V
470
C205
470
R216
0.1
C332
1
2
3
3P
CN202
1000p
C251
10
C202
1
C264
22p
C261
22p
C262
2.2k
R203
2.2k
R204
L801
360uH
1
2
3
4
6
100p
C817
0.1
C811
0.1
C809
10
C808
22p
C806
22p
C807
470p
C821
1
C814
4.7k
R809
1k
R806
1000p
C810
100
R264
R254
100k
10k
R251
1k
R801
0.1
C805
100p
C803
100p
C804
10k
R805
10k
R804
330
R209
22p
C250
22p
C249
0.22
C248
1
C242
47k
R225
10k
R223
10
C252
1
C243
0.01
C224
1
C232
1
C216
1
C215
0.01
C225
1
C217
0.01
C226
22k
R232
15k
R235
1000p
C815
1000p
C813
6.8k
R215
R222
0
R210
0
10V
470
C229
0
R221
100k
R231
2.2k
R224
1000p
C203
16V
100
C254
4.7k
R258
4.7k
R218
22p
C270
0.1
C269
1k
R274
R273
47k
1k
R275
R243
0
220k
R272
1
C256
1k
R270
22p
C268
22k
R266
2.2k
R265
220
R267
220
R268
0.047
C266
1
C267
0.1
C265
0.1
C819
0.1
C818
16V
100
C259
0.1
C228
16V
100
C227
0.1
C326
0.1
C301
220
R326
4.7k
R206
22k
R234
2.2k
R240
1000p
C255
0.1
C206
1
C207
2.2k
R252
4.7k
R236
100k
R238
10k
R201
2.2k
R208
22k
R202
47k
R212
1
C233
R217
0
47k
R213
1
C234
R220
0.1
C208
0.1
0.1
C820
JS007
0
I2C_DATA
ATX_CLK
ATS_DAT
AUD_MUTE
TUN_CLK
N.S_RST
BUZZ_+3.0V
DC_+6V
BUZZ_OUT
DC_VCC
P_GND
P_GND
I2C_CLK
VDD_+3.0V
TUN_DATA
AMP_POWER
DC_VCC
TUN_RST
TEMP_IN
SPK_OUT
GND
BUZZ+
SP201
BUZZ-
ESD_GND
IC801
FM/AM RADIO RECEIVER
IC206
VOICE SYNTHESIZER
IC202
INPUT SELECTOR, ELECTRICAL VOLUME
POWER AMP
IC301
MAIN BOARD
E
11
J
3
K
D
F
14
15
8
G
7
I
13
A
10
9
C
4
H
B
5
1
6
2
12
AM ANTENNA
FM_ANT
GND
1
SENSOR_IN
3
2
LEFT(WHITE)
GND
DC_IN T201
T201A
GND
GND
1
RIGHT(RED)
3
2
TEMPERATURE
SENSOR
FM WIRE ANTENNA/
FM01
AC POWER
AC01
ADAPTOR
(AC IN)
(CHASSIS)
(CHASSIS)
STANDBY SWITCH
Q201, 308
+6V REGULATOR
Q203, 206, 208
CP204
AUDIO CABLE
BUILT-IN
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