Sharp FV-DB2ES (serv.man3) Service Manual ▷ View online
FV-DB2E
5 – 2
[3] Voltage
PIN
NO.
VOLTAGE
IC401
1
2
2
4
5
6
7
8
9
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
3
3.22 V
3.22 V
0.05 V
3.13 V
0.5 V
0.5 V
0 V
1.87 V
1.45 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
2.6 V
0 V
3.2 V
0 V
0 V
0 V
3.2 V
0 V
0 V
0 V
0 V
0 V
0 V
3.16 V
0 V
3.22 V
0.05 V
3.13 V
0.5 V
0.5 V
0 V
1.87 V
1.45 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
2.6 V
0 V
3.2 V
0 V
0 V
0 V
3.2 V
0 V
0 V
0 V
0 V
0 V
0 V
3.16 V
0 V
PIN
NO.
VOLTAGE
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
3.16 V
3.16 V
0 V
3.22 V
3.22 V
1.24 V
0 V
0 V
0 V
0 V
3.1 V
3.2 V
3.2 V
0 V
0 V
0 V
3.2 V
0 V
3.2 V
0 V
0 V
0 V
3.16 V
0 V
0 V
0 V
0 V
0 V
0 V
3.17 V
0 V
3.22 V
3.16 V
0 V
3.22 V
3.22 V
1.24 V
0 V
0 V
0 V
0 V
3.1 V
3.2 V
3.2 V
0 V
0 V
0 V
3.2 V
0 V
3.2 V
0 V
0 V
0 V
3.16 V
0 V
0 V
0 V
0 V
0 V
0 V
3.17 V
0 V
3.22 V
PIN
NO.
VOLTAGE
IC301
1
2
2
4
5
6
7
8
9
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
3
0.3 V
2.25 V
2.36 V
0 V
4.25 V
4.87 V
2.23 V
2.25 V
3.86 V
3.73 V
2.71 V
2.2 V
2.2 V
0 V
0 V
0 V
3.1 V
3.25 V
1.55 V
1.65 V
3.4 V
2.24 V
2.3 V
0 V
0.9 V
2.01 V
2.01 V
1.53 V
0 V
2.6 V
3.6 V
4.7 V
4.78 V
4.76 V
0 V
0.9 V
2.25 V
2.36 V
0 V
4.25 V
4.87 V
2.23 V
2.25 V
3.86 V
3.73 V
2.71 V
2.2 V
2.2 V
0 V
0 V
0 V
3.1 V
3.25 V
1.55 V
1.65 V
3.4 V
2.24 V
2.3 V
0 V
0.9 V
2.01 V
2.01 V
1.53 V
0 V
2.6 V
3.6 V
4.7 V
4.78 V
4.76 V
0 V
0.9 V
PIN
NO.
VOLTAGE
IC104
1
2
2
4
5
6
7
8
9
5
6
7
8
9
10
11
12
13
14
11
12
13
14
3
5 V
4.87 V
0 V
0 V
0 V
0.6 V
1.44 V
1.44 V
5.14 V
8.3 V
0 V
0.3 V
4.9 V
10.2 V
4.87 V
0 V
0 V
0 V
0.6 V
1.44 V
1.44 V
5.14 V
8.3 V
0 V
0.3 V
4.9 V
10.2 V
PIN
NO.
VOLTAGE
IC101
1
2
2
4
5
6
7
8
9
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
11
12
13
14
15
16
17
18
19
20
21
22
23
24
3
0 V
0 V
0 V
4.53 V
4.51 V
4.51 V
4.5 V
4.53 V
4.51 V
4.51 V
4.53 V
4.53 V
4.53 V
4.53 V
4.53 V
4.53 V
4.55 V
4.53 V
4.53 V
4.54 V
4.55 V
4.55 V
9.1 V
3.1 V
0 V
0 V
4.53 V
4.51 V
4.51 V
4.5 V
4.53 V
4.51 V
4.51 V
4.53 V
4.53 V
4.53 V
4.53 V
4.53 V
4.53 V
4.55 V
4.53 V
4.53 V
4.54 V
4.55 V
4.55 V
9.1 V
3.1 V
FV-DB2E
6 – 1
Audio
FV-DB2E
Service Manual
FV-DB2E
Market
E
CHAPTER 6.
CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Schematic diagram
Figure 6-1 SCHEMATIC DIAGRAM (1/2)
3.9V
0.01
0
1K
01
K
1K
0
0
0
0
330P
330P
HRC107 M
1K
10K
1K
10K
1K
0.1
DZ3.3BSB
1K
LP3052AU
LPBB73VQ
12
KTC3875 GR
LPBB73VQ
0
1K
HRC107 M
10K
1K
47K
2HA1015
GR
0
0
0.001
0.001
100P(CH)
100P
(CH)
(CH)
0.01
0.01
0.1
100P
(CH)
(CH)
0.01
0.01
0.1
2DC5477
0.047
0.001
0.1
0.047
10P(UJ)
0.01
2SCC5477
5P
(UJ)
33P
(CH)
(CH)
0.01
0.001
0.01
0.001
33P(CH)
0.015
5P
100P(CH)
0.033
0.001
MTZJ3.6B
0.1
DS1SS133
0.22
100P(CH)
DS1SS133
0.001
1K
0.0033
22K
DZ3.3BSB
0.022
1K
39K
39K
0
1/50
1K
22/16
22/50
10P(CH)
330
10
0
100K
100K
SVC201
0
10
LV23002M
10 µH
100
2.2K
10P(CH)
100K
0.01
SVC201
330
1K
0.33/50
4.7K
1K
4.7K
100K
22/50
1K
1/50
47/50
1/50
47 µH
680
2.2K
1
1
3
2
2
3
33
10K
10K
22/50
4.7/50
3.3K
47K
1K
390
22/50
1/50
1SS133
1SS133
1SS133
1SS133
220
0.47/50
10K
10K
1K
3.9K
100/6.3
0.022
0.47
µH
270P
270P
0.1
270P
270P
5.6K
1K
1K
1K
1K
SI3
3.3V
1K
32.768
kHz
22P(CH)
18P(CH)
1K
1K
1K
1K
1K
1K
0.22
47/10
0.22
10K
KTC3875 GR
10K
1K
KTC3875 GR
10K
220
560
1K
10K
8
MHz
IXA042SJ
31
31
32
29
30
27
28
25
26
23
24
21
22
19
20
17
18
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
52
51
54
53
56
55
58
57
60
59
62
61
64
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
63
1K
100
100/6.3
0
0
22K
0.22
3
1
2
4
3
1
2
4
3
1
2
4
9
8
7
6
5
4
3
2
1
10K
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
PST9119 RESET
2
1
3
PST9127
RESET
2
1
3
9 10
8
7
6
5
4
3
2
1
9 10
8
7
6
5
4
3
2
1
0.47
100
100
0.022
9
8
7
6
5
4
3
2
1
18
17
16
15
22
21
20
19
14
13
12
11
10
36
37
38
39
40
41
42
43
44
27
28
29
30
23
24
25
26
31
32
33
34
35
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
TO SHIELD
TO SHIELD
512Mb
SIZE
SDRAM
EXCEPT FOR U.K. ONLY
Q401~Q403: LED DRIVER
FOR U.K. ONLY
PON_DET
MODE_STL
VOL_POWER
AMP_POWER
SW2
GND
DO
DI
PLL_CE
PLL_CE
FM_L ch
FM_R ch
5V
CLK
9V
FMRF-IN
FMRF-OUT
VCC2
FM-OSC
AM-OSC
B02
B01
LP-OUT
LP-IN
PD
AGC
AMLOWOUT
DET-OUT
MPX-IN
VDD
XOUT
XIN
D0
CL
DI
R-OUT
L-OUT
FM
DET
P-CCMP
P-DET
CE
VSS
FM
IFIN
AM
IFIN
VCC1
AM-MIX
GND1
FM-MIX
REG
AMRF-IN
GND2
RESET
RS
S1_DOUT
S1_DIN
VOL_CE
PLL_CE
DO
TIMER_LED
ROM SIZE
AD4
AD3
AD2
AD1
DIMMER_2
BUZ
SCK
STB
VSS1
X1
X2
IC(VPP)
XT1
PWR_DET
AD0
DIMMER_1
AVSS
VDDI
RX
TX
CE
DI
CL
XT2
RESET
AV_REF
DI
CLK
MUTE
DO
VDD0
VSS0
DAB
P
OWER
SCP_CLK
VDD
LCD STB
49
62
1 2
3
DAB_R
c
h
DAB_L
c
h
GND
MUTE
BUZ
2
1
1
2
VOU
CAP1N
CAP1P
VDD
VSS
SI
SCL
CSB
RS
RST
2
7
5
1
3 4
6
RESET
GND
VPP
SI3
SO3
SCK3
AC_DC PE
64 LCD_POWER
SW1
SW0
AUD_SDIN
AUD_SDDUT2
AUD_SDDUT1
PDM_OUT
SCP_DAT
S/PDIF IN
LCD_PE
LCD_M
LCD_LRS
LCD_F
LCD_DATA0
LCD_DATA1
SCP_CLK
RDI_OUT
LCD_DATA7
AUD_MCLK
AUD_SCLK
LCD_DATA2
LCD_DATA3
LCD_DATA4
LCD_DATA5
LCD_DATA6
GND
GND
USB_DM
USB_DP
3.3V
S1_DDUT
S1_DIN
GND
GND
S/PDIF DUT
GND
AUD_SDDUTO
AUD_SFR
GND
3.3V
3.3V
GND
AAUD_R
AAUD_GND
AAUD_L
5V
5V
1
2
1
2
1
2
1
2
FM
ROD
ANTENNA
TUNER PWB-A3
DISPLAY PWB-A2
DAB UNIT
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
FM
FRONT
END/PLL
(TUNER)/
FM
IF
DET./FM
M
PX./AM
IF
SYSTEM
MICROCOMPUTER
B.P.F
FM RF
OSC.
CNW303
CNP303
C350
C349
C303
C348
C302
D303
D302
BF301
D308
D309
R305
C306
C307
JP302
R310
C318
R307
C309
D306
L304
R306
R328
L307
C314
Q302
R327
C345
C344
C321
R308
C316
D307
C317
C346
C312
R329
C343
C320
R313
C326
R311
R315
C330
C341
C342
X301
R319
ZD308
C335
C333
C332
C325
R314
C329
R316
C339
IC301
CF302
C319
C315
C313
R312
C322
CF303
C356
R331
R333
R332
JP303
C347
R334
R336
L303
R302
CF301
C323
C331
C327
R320
R321
R323
C337
C336
C334
C340
C324
C328
L308
R317
R318
C351
R337
C352
R338
C357
Q303
CNP101
CNW101
CNS101
R151
R154
R15
R150
CNW407
CNS407
C424
IC101
R
R456
Q408
R
JP405
C408
R480
R483
DZ403
D406
LCD402
CNP420
C413A
C406
DZ401
R428
C413
CNW106
CNS106
CNW411
CNS411
C421
FL401
CNP402
JP404
JP402
C411
FL406
R481
FL404
FL405
R482
C415
C416
C420
C412
FL403
FL402
D401
CNP408
R413
R415
R416
C401
L402
R419
R418
R420
R417
R421
R422
R469
C410
IC401
R490
R435A
R432
R429
C423
C422
C419
IC404
R426
XL402
JP401
R475
R425
XL401
C403
C402
R477
C426
C414
C431
IC402
JP432
C418
C407
C417
LED403
LED402
Q402
R438
R435
R436
JP403
LED401
R441
R433
Q401
R434
R437
Q403
R439
R440
R459
R492
R458
R488
Q406
R486
R487
Q407
R412
R410
R485
R424
R423
TUN1
A
B
C
D
E
F
G
H
1
2
3
4
5
6
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
FV-DB2E
6 – 2
Figure 6-2 SCHEMATIC DIAGRAM (2/2)
3.9V
FM SIGNAL
DAB SIGNAL
LINE SIGNAL
1N4148
0
1K
1K
0P
330P
RC107 M
470
47K
2HA1015 GR
1K
1K
100
100
1SS133
1N4148
1K
0
DS1SS133
0.022
0.1
LC75341M
AUDIO
P
ROCESSOR
0.15
(ML)
0.15
(ML)
470P
470P
HSB562
HC
HSB562 HC
2HA1015 GR
HSB562 HC
F10J2E
0.01
0.5
Posistor
SR2400
1.8
Posistor
0.5
Posistor
47K
1K
1.2K
1.2K
10K
3.9K
5.6K
10K
2.2K
2.7K
1.5K
27K
1.2K
1.2K
2.7K
10K
1.5K
2.2K
3.9K
5.6K
10K
10K
1K
1K
HRC107 M
100 µH
100 µH
8200/16
10K
0.022
47/10
KIA7805AP
3
1
680/16
470
1K
2.2K
3.9K
HRC107 M
47K
0.22
0.22
39K
39K
0
10K
1K
4.7/10
100/25
10/16
HRC107 M
1K
220/16
10/50
4.7/25
120
2.2K
10/16
4.7/25
BA05CC0T
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
3
1
470/16
BA033T
3
1
SI3033LUS
3.3V REGULATOR
22K
3.9K
0.022
1000/10
1000/10
1/50
0.0027
3.9K
0.1
47/16
0.1
1K
1K
0.0027
1K
1K
3.9K
1/50
0.1
0.1
2.2K
2.2K
2HC1815 GR
2.2K
2HC1815 GR
100
1K
10 µH
120
120
0.22
0.22
1K
1K
100P
(CH)
(CH)
100P
(CH)
100P
(CH)
0.022
100/16
100/16
22K
22K
47K
1K
470/6.3
470/6.3
47/10
1/50
1/50
100
1K
1K
DZ10BSB
0.1
0.01
1K
33K
47/50
100P(CH)
100P(CH)
0
10K
10K
47
0
3.9K
3.9K
3.9K
1
1
2
1
2
2
4
3
2
1
4
3
2
1
4
3
2
1
2
2
2
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
4
3
1
1
2
3
4
2
4
3
1
2
3
1
3
1
3
1
2
9
8
7
12
11
10
6
5
4
3
1
2
9
8
7
12
11
10
6
5
4
3
1
2
9
8
7
12
11
10
6
5
4
10K
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
2
3
4
8
9
LA4627N
POWER AMP.
6
5
1
7
10
13
14
12
11
TO SHIELD
TO COPPER
BAND
INFO
TIMER
SHIFT
PRESET 5
PRESET 4
PRESET 3
PRESET 2
PRESET 1
MENU
K-TIMER
SOUND
CLOCK
ENTER
VOLUME
DOWN
VOLUME
UP
TUNING
DOWN
TUNING
UP
ON/STAND-BY
R_2
L_2
OUT1
IN1
GND
POWER
GND
L-CH
R-CH
4 Ohm
4 Ohm
SP601
SP602
DI
CE
VSS
L_OUT
L_BASS
LTRE
L_SELD
L_4
L_3
DAB_L
DAB_R
R_3
R_4
R_SELD
R_IN
L_IN
RTRE
R_BASS
R_OUT
VREF
VDD
CLK
L ch
R ch
R ch
R ch
L ch
L ch
GND
BACK_UP
1
2
1
2
3
4
1
2
2
1
2
1
2
1
1
2
4
3
GND
GND
9V
9V
2
1
2
1
2
1
BACK_UP_3.3V
DAB_5V
GND
DAB_3.3V
GND
SW_9V
DAB_POWER
P_SUPPLY
GND
SW0
3.3V
SW2
SW1
3.3V
SW2
GND
SW1
3.3V
GND
SW1
PLL_CE
DO
AMP_POWER
VOL_POWER
DAB_R
c
h
DAB_L
c
h
GND
MUTE
BUZ
VOL_CE
CLK
DI
IN2
OUT2
VCC
STBY
SPEAKERS
MAIN PWB-A1
POWER SWITCH
PWB-A7
PWB-A7
PRESET
SELECT
SELECT
AUTO
TUNE
TUNE
SWITCH A PWB-A5
TERMINAL B PWB-A10
BATTERYS
DC 9 V
["C" size (LR14) alkaline battery x 6
DC 9 V
["C" size (LR14) alkaline battery x 6
as memory batteries]
TERMINAL A
PWB-A9
PWB-A9
POWER PWB-A4
470/6.3
F10J2E
39
0.01
BATTERYS
DC 3 V
["AA" size (UM/SUM-3, R6 or HP-7)
battery x 2 as memory batteries]
DC 3 V
["AA" size (UM/SUM-3, R6 or HP-7)
battery x 2 as memory batteries]
1
2
1
2
DC JACK
PWB-A8
PWB-A8
0.01
DC INPUT
SWITCH B PWB-A6
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
MUTING
MUTING
VOLTAGE REGULATOR
0.5
Posistor
R154
R152
R150
R153
C138
C136
R102
C152
R104
C102
R106
C104
C106
R108
C108
C121
R122
C150
R121
C122
R127
C133
C132
C132
DZ101
R136
C141
R120
R119
R119
R128
Q105
Q109
Q108
7
24
CNP407
C127
C155
R148
IC103
C128
R0
R1
C126
R146
R145
Q106
JP106
R144
R143
Q107
C160
R140
R160
D102
C110
C109
R110
C154
R109
R147
JP101
R111
Q101
R113
Q103
C112
R155
R149
C124
R156
R116
C123
R115
C111
C113
R117
IC104
C139
C140
R135
R134
C151
R107
C107
C105
C103
C101
R105
C153
R103
R101
C137
C135
IC101
C117
C119
C118
C120
C125
CNP105
CNW105
R130
R131
C156
C157
JK102
HEADPHONES
HEADPHONES
JK101
ANALOG LINE
OUTPUT
ANALOG LINE
OUTPUT
L102
R139
R138
C161
R132
R133
JP103
C170
D104
D103
CNW107
CNP107
CNP106
CNW702
CNS702
CNP702
SW412
SW419
SW418
SW417
SW416
SW415
SW414
SW413
SW410
SW411
R454
R446
R447
R450
R445
R448
R449
R451
R452
R453
CNP409
CFW410
R470
SW420
CNW409
CNS409
L403
L404
CNW405
CNS405
CNP405
SW407
SW404
SW405
SW408
SW409
SW403
SW406
SW402
SW401
R403
R402
R401
R407
R408
R409
R405
R406
R404
PS704
D705
CNP704
CNW704
CNS704
C901
PS703
PS701
D703
PS702
CNP705
R703
R704
C701
C702
Q701
IC701
IC702
C703
CNP404
CNW404
CNS404
CNP401
CNW401
CNS401
R473
R460
R457
Q409
R443
R444
R442
Q408
Q404
R489
R455
JP405
R411
C408
D405
C409
IC403
C425
CNS705
C803
R801
CNW705
C801
D702
CNP411
JK701
C704
7
8
9
10
11
12
FV-DB2E
6 – 3
[2] Wiring side of PWB
Figure 6-3 WIRING SIDE OF PWB (1/3)
C402
C403
R475
JP401
C424
R490
R435A
R429
R432
C423
C418
JP432
C417
C419
JP402
JP404
FL401
FL403
C420
C412
C421
CNP402
FL402
FL404
C411
R426
R428
C406
FL406
FL405
R481
R460
R482
R457
C413A
C413
C422
C431
C407
R487
R486
R492
R458
R477
R456
R483
C401
C410
R434
JP403
R437
R485
Q402
R438
R435
Q401
R439
R440
R440
Q403
C426
R441
R411
JP405
IC403
C409
C425
CK12
CK42
CK11
CK41
CK40
CK33
CK39
CK38
CK9
CK8
CK4
CK2
CK1
CK32
CK7
CK6
CK5
CK16
CK13
CK15
CK14
CK24
CK22
CK36
CK23
CK31
CK30
CK10
CK28
CK27
CK29
CK35
C704
R703
D705
IC401
JK701
DC INPUT
PS702
CNP704
CNP705
CNP404
CNW401
PS701
IC701
IC702
Q701
C703
C701
R704
C702
CNW411
CNS411
CNW106
CNS106
C416
CNP401
CNP405
L402
R444
R488
R443
R442
R410
R436
CNP407
R433
R473
XL401
CNP702
PS704
Q404
R425
R424
R419
R418
R413
R420
R423
R489
R480
DZ403
R469
R422
R421
R415
R416
R417
R412
R459
C414
Q406
IC402
Q407
D406
CNP420
D401
Q408
Q409
R455
DZ401
CNP408
IC404
C415
CNW404
D405
C408
LED401
LED403
LED402
D703
XL402
TUN1
LCD402
CNS401
CNS404
1
2
3
4
1
2
1 2
8 7 6 5 4 3 2 1
1 2
1
2
3
4
5
6
7
8
9
10
11
12
1
3
5
7
9
2
4
6
8
10
1
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
8
1
2
3
4
5
6
7
1
5
15
25
35
43
44
2
10
20
30
40
1
1
2
1
2
2
1
2
5
4
3
2
1
4
3
2
1
2
1
1
5
10
15 16
17
20
25
30
35
40
45
48
49
50
55
60
64
32
33
2
1
CNS705
6 - 5 4 - C
FROM
TERMINAL A PWB
CNS704
6 - 5 2 - C
FROM
TERMINAL B PWB
DAB UNIT
DISPLAY PWB-A2
POWER PWB-A4
DC JACK
PWB-A8
PWB-A8
CNS405
6-5
1
-B
FROM
S
WITCH
B
P
WB
CNP411
6 - 5 5 - G
TO TERMINAL A PWB
B
C
E
1
2
3
1
2
3
E
C B
E C B
3
2
1
1
2
3
B C E
E
C
B
B
C
E
GY
BK
BK
BK
GY
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Click on the first or last page to see other FV-DB2ES (serv.man3) service manuals if exist.