Sharp XL-HP434 (serv.man7) Service Manual ▷ View online
XL-HP434H
6 – 6
Figure 6-6 SCHEMATIC DIAGRAM (5/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
FM FRONT END
6
4
3
2
1
8
7
6
5
4
3
2
1
2
5
1
22 21 20
3
4
6
7
8
9
10 11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
18
19
20
21
22
23
24
6
5
4
3
2
1
6
4
5
4
5
3
2
1
TP301
CONT
IF
FM/AM
FM/AM
(CH)
(CH)
SD
(CH)
(CH)
ST
IND
MO/ST
F
OUT
IF
OUT
VCC
VT
GND
GND
GND
ANT
VSS
AOUT
AIN
PD
VDD
FM
IN
AM
IN
DO
CL
DI
CE
XI
N
XO
U
T
IF
IN
REG
AM
IF
IN
GND
SD
STEREO
FM
DET
FM/AM
OUT
VSM
AM
LOW
CUT
AM
RF
IN
AM
OSC
IN
FM
AFC
AM
OSC
OUT
AM
MIX
OUT
FM
IF
IN
AM
LOOP
ANTANNA
LOOP
ANTANNA
2
1
2
1
AM IF
BALUN
CHASSIS
GND
AM TRACKING fL
AM ANTENNA
AM OSC
AM BAND
COVERAGE fL
FM IF
FM IF
FM
75 OHMS
ANTENNA
TERMINAL
TERMINAL
1
3
1
2
2
3
1
2
3
FM
IF
0.022
DS1SS133
DS1SS133
0.022
0.022
0.022
470
100/16
15
2.2µH
0.022
4.7K
0
0.001
2SC380 0
33
680
6.8K
330
33
0.01
15P
0.01
10/16
2.2K
1/50 1.5K
12P
150
1K
1K
1K
0.001
47/16
0.022
10K
1K
4.5MHZ
0.022
0.001
100µH
+B
+B
+B
+B
1K
330P
47K
LC72131
0.022
0.022
0.022
10/16
1K
0.022
0.022
1K
5.6K
560P
22P
68K
SVC348S
10K
15P
0.047
0.022
10K
0.022
2.2/50
3.9K
0.022
1/50
2.7K
0.022
2.2/50
0.001
0.022
LOW PA
FILTER
FILTER
PLL(TUNER)
C323
D302
D301
CNP302
L341
SO301
C345
C346
C347
R344
C321
R369
L342
C341
R345
R301
C302
CF301
Q301
R349
R348
R347
R346
R399
C348
FE301
C382
C385
C380
R379
C393 R380
C381
R382
R378
R373
R374
C387
C384
C392
C394
C397
R381
R372
X352
L351
R376
C386
R377
IC302
C351
C350
C359
C352
T351
CF352
R351
R352
R353
CF351
C354
C353
R393
T303
T306
C335
C334
R323
VD301
R336
C330
C331
C332
CF302
R365
C361
C362
R358
C342
C363
C364
C366
C365
C367
R350
L35
FM SIGNAL
AM SIGNAL
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
XL-HP434H
6 – 7
Figure 6-7 SCHEMATIC DIAGRAM (6/10)
7
8
9
10
11
12
FM
IF
DET./FM
MPX./AM
IF
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
9
10 11
12
13
14
5
6
7
8
9
10 11
12
13
14
15
16
17
18
D_GND
A_GND
A_+10V
TUN_L
RDS_READY
RDS_RDDA
RDS_RST
RDS_RDCL
TUN_SM
TUN_R
DI
CLK
DO
CE
VREF
VSSd
VDDD
MODE
RST
RDDA
RDCL
RDS-ID/
RDS-ID/
READY
XIN
MPXIN
VDDA
VSSA
FLOUT
CIN
TEST
XOUT
TO MAIN PWB(2/3)
6-3 12 - C
FM/AM
SD
TP302
(1/2W)
(1/2W)
MO/ST
ST
IND
MO/ST
IF
IN
GND
SD
STEREO
FM
DET
VCC
IF
OUT
PHASE
(FM/AM)
PHASE
L-CH
OUT
R-CH
OUT
MPX
IN
MPX
V
CO
FM/AM
OUT
1 2 3 4 5 6 7 8 9 10 11 12 13 14
FM
IF
TUNER PWB-C
CNP303
100P
0.01
0.001
00µH
22K
+B
+B
+B
+B
+B
+B
1K
4.7K
47K
330P
47K
0.022
1K
270
0.022
0.022
3.9K
2.2/50
1/50
3.3K
1/50
1K
100/10
0.001
22P
10.7MHZ
5.6K
LA1832S
1/50
2.7K
456KHZ
1/50
1/50
470K
1K
1/50
27P
(CH)
0.015
0.015
6.8K
10K
0.022
22P(CH)
47/10
4.332MHZ
1K
1K
1K
10K
2.2µH
2.2µH
1K
0.022
10/16
47/10
0.022
560P
0.022
56K
56K
10K
0.022
KTC3875 GR
22P(CH)
LC72723
RDS
DECORDER
1K
5.6K
220
DZ5.1BSB
100/10
0.022
220
100µH
KTA1504 GR
5.6K
47/16
5.6K
1.8K
0
.001
LOW PASS
FILTER
XT21
RT32
RT31
CT22
CT23
CT21
RT29
RT28
RT27
RT21
LT21
LT22
RT30
CT30
CT32
CT31
CT28
CT26
CT27
RT26
RT24
RT25
CT29
QT21
CT25
ICT21
R370
C383
C385
C388
L351
R386
R376
R360
CNS303
R395
C386
R377
CF352
C399
R352
R353
CF351
C354
C353
R388
C357
C358
R355
C370
R393
C398
C356
C355
R387
IC303
C366
C367
R350
X351
L354
C371
C372
R357
R356
C368
C369
C374
C373
R383
R391
ZD351
C396
C395
R392
L352
Q360
R385
C391
R384
R359
XL-HP434H
6 – 8
Figure 6-8 SCHEMATIC DIAGRAM (7/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
TAPE MECHANISM Ass'y(213)
KRC104 S KRA107 S
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8.2K
304VT2H3
4.7K
2.7K
4.7K
0.001
0.001
KRC104 S
KRA107 S
10K
1K
1K
4.7K
10K
10K
1K
4.7K
1K
4.7K
4.7K
1K
1K
1K
1K
1K
560
680
1K
1K
10K
1K
DS1SS133
MA111
2.2K
1/50
8.2K
4.7K
47K
1.5
1K
1K
4.7K
KTA1273 Y
10K
10K
KTA1271 Y
1K
1K
1K
1K
1K
1K
MA111
KRA102 S
150
150
5.6K
2.7K
2.2K
1.5K
10K
3.9K
1K
A304BC2H
81 82 83 84 85 86
95
94
93
92
91
90
89
88
87
100
99
98
97
96
41 40 39 38 37 36 35 34 33 32 31
50 49
50 49
48 47 46 45 44 43 42
VOL_JOG
3
3
1
1
2
2
CD_RESOUT
IXA003AW
1
2
3
3
2
1
3
2
1
VOL_LED
G10
P30
P19
G11
G12
T_REC/PLAY
KEY
2
TRAY SW1
5V BACK UP
S17(DIST 2)
S19(DIST 0)
T_BIAS
SP
DET
S13
VLOAD
S7
S6
S5
AVREF
XT2
–20dBATT
SP_RLY
G10
G8
G7
G6
G5
G4
P01
P02
P03
P04
P05
P07
P08
P09
P10
P11
P12
P13
P14
P15
P16
P17
P18
P29
P20
P21
P22
P23
P24
P25
P26
P27
P28
VDD
G1
G2
G3
G4
G5
G6
G7
G8
G9
PHOTO
VDD
TIME
LED
T_MOTOR
SMUTE
VSS
REMOCON
P_IN
KEY
0
T_RUN
TUN_SM/SPAN
AVSS
CD_DO
CD_DI
CD_CLK
DO
VPP
CD_WRQ
CD_CE
S12
S11
S4
S3
S2
S1
G11
G12
G10
S7
S8
S6
S5
G1
G2
G3
G4
G5
G6
G7
G8
G9
S4
S3
S2
S1
G11
G12
G10
S7
S8
S6
S5
G4
G5
G6
G7
G8
G9
S4
S3
S2
S1
G11
G12
DI
CE
RESET
AVDD
XOUT
XIN
VDD
F2
F2
P06
CLAMP SW
T_SOL
PROTECT
S8
S9
KE
KE
KE
S15
S16(DIST 3)
CLK
+B
+B
+B
+B
+B
+B
+B
CD_DRF
DISC SW
AC_RLY
TRAY SW2
S18(DIST 1)
S14
S10
S13
S12
S11
S9
S15
S14
S10
DIST
FPA/FPB SW
KEY
1
G9
1
45
46
47
50
51
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
1
2
3
1
2
2
KEY
GND
DISC 5
DISC 4
DISC 3
OPEN/
DISC 1
DISC 2
PLAY
DIRECT
CLOSE
SWITCH PWB-B2
1
2
2
1
2
1
LED PWB-B3
DISPLAY PWB-B1
GND
T_MOTOR
T_SOL_A
FPB
T1 RUN
FPA
7
1
4
5
6
6
2
3
7
1
1
7
1
7
4
5
6
6
2
3
6
2
3
1
4
5
FL DISPLAY
SYSTEM
MICROCOMPUTER
R. REC
F. REC
+MTR
–COM
M
+
–
END SW
+SOL
N.C. (OP PACK)
SOLENOID
TAPE
MOTOR
(213-2)
MOTOR
(213-2)
TAPE MECHANISM
PWB Ass'y(213-3)
PWB Ass'y(213-3)
RDS-READY/ESS
DO
RDS-RDCL
RDS-RDDA
RDS-RST/ESS
A
CK
VOLUME
S29
S30
S29
S30
S21
S27
S22
S28
S20
S26
S25
S23
S24
S17
S19
S16
S18
S21
S27
S22
S28
S20
S26
S25
S23
S24
S13
S12
S11
S9
S15
S14
S10
S29
S30
S17
S19
S16
S18
S21
S27
S22
S28
S20
S26
S25
S23
S24
SUB_CE
(Serial No.31000001~402XXXXX)
IXA021AW
(Serial No.402XXXXX~)
CNP707
R772
R573
LED708
BI707
CNS707
BI703A
CNP706B
SW728
SW725
SW726
SW722
SW723
SW724
SW727
RD24
RD22
RD21
RD20
RD25
RD23
RD19
BI703B
CNP702
R566
R774
R773
Q714
Q715
R779
R780
R781
C717
C716
VR701
Q712
Q713
R732
Q701
R776
R775
Q702
D711
D712
R782
R793
LED701
R784
R563
R765
R561
R562
R565
R564
R737
R736
R761
R747
R740
R739
R738
R771
R734
R731
R735
R733
R746
R723
R724
R730
R729
R728
R727
R726
R725
R755
IC701
Q711
C707
R763
D701
FL701
R766
FFC702
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
XL-HP434H
6 – 9
Figure 6-9 SCHEMATIC DIAGRAM (8/10)
7
8
9
10
11
12
KRC104 S
10K
GP1UM271
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
2.7K
0.001
10K
680
1K
1K
220/10
0.022
1/50
4.19403MHz
1.5
820
10K
10K
10K
5.6K
1K
1K
1K
10K
5.6K
1K
1K
10K
10K
0.022
0.047
10K
15P
(CH)
18P(CH)
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
KRC102 S
3.3/50
MA111
100µH
MA111
100K
MA111
0.01
47K
680
680
680
820
1K
1.5K
2.2K
2.7K
3.9K
3.9K
2.7K
2.2K
1.5K
1K
5.6K
820
0.022
47/16
MA111
MA111
100
150P(CH)
95
94
93
100
99
98
97
96
8 37 36 35 34 33 32 31
1 2 3
VOL_JOG
CD_RESOUT
W
3
2
1
3
2
1
3
2
1
G11
G12
DISC
TRAY SW2
+5V
PAUSE
GND
PHOTO
T_REC/PLAY
KEY
2
A_+10V
CLAMP
P_IN
AC_RLY CON
VF2
–VF
VF1
T_BIAS
CD_CE
SUB_CE
CD_D0
CD_D1
CD_CLK
CD_RESOUT
CD_WRQ
CD_DRF
TAPE
VIDEO
SP
DET
–20dB
SP_DET
DO
TUNER
(BAND)
CLK
CE
DI
T_BIAS
REC/PLAY
AVREF
XT2
–20dBATT
D_GND
SP_RLY
CD
EQUALISER
X-BASS
ON/
F1
G10
G8
G7
G6
G5
G4
G3
G2
G1
P01
VDD
G1
G2
G3
G4
G5
G6
G7
G8
PHOTO
P_IN
KEY
0
T_RUN
TUN_SM/SPAN
AVSS
CD_DO
CD_DI
CD_CLK
DO
VPP
CD_WRQ
CD_CE
G1
G2
G3
G4
G5
G6
G7
G10
G1
G2
G3
G4
G5
G6
G7
G8
G9
G11
G12
DI
CE
RESET
AVDD
XOUT
XIN
VDD
PROTECT
+B_PROTECT
KEY 2
KEY 1
KEY 0
CLK
M_+13V
UNSW5.6
TUN_SM/SPAN
RDS-READY
RDS-RDCL
RDS-RDDA
RDS-RST
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
SW_5V
M_+13V
UN_SW5.6V
CD_DRF
S_MUTE
/AUX
TIMER/
CLOCK/
/TIME
UP
UP
DOWN
DOWN
STOP
PLAY
TUNING TUNING
/TIME
MEMORY
/SET
/DEMO
MODE
REVERSE REVERSE
PLAY
TRAY SW1
FPA/FPB SW
PRESET
PRESET
ASPM
PTY.TI
SEARCH
DISPLAY
MODE
STANDBY
REC/
KEY
1
G9
F1
27
8
7
9
11
10
14
15
16
16
13
12
8 17 16 15 14 13 12 11 10 9
8
5
4
2
1
9
8
7
5
17
18
3
15
4
6
13
11
14
21
12
2
1
1
19
20
10
16
23
24
27
25
26
22
6
2
3
1
4
5
6
2
3
1
4
5
6
2
3
1
1
4
5
6-11 11 - B
CNP5
TO CD/MP3 PWB
6-3 12 - F
CNP701B
TO MAIN PWB
FFC5
TER
REMOTE
SENSOR
VOLUME
SUB_CE
402XXXXX)
W
XXX~)
P706B
CNP706A
FFC706
SW712
SW701
SW711
SW710
SW713
SW718
SW716
SW717
SW709
SW715
SW714
SW720
SW703
SW702
RD18
SW721
RD16
RD17
SW719
RD08
RD01
RD02
RD03
RD14
RD13
RD12
RD11
RD10
RD15
RD09
SW705
SW704
RD04
SW706
RD06
RD05
SW708
SW707
RD07
RX701
Q703
C719
D706
L701
D705
R797
D707
C718
R796
C720
C721
D708
D709
R798
C722
CNP701A
CNP704
R799
R780
C717
VR701
R784
R785
R786
R794
R723
R724
R727
R726
R725
R755
R718
R720
R789
R790
R721
R719
C705
C723
R717
R716
R715
R714
R713
R712
R711
R710
R709
R770
C703
XL700
C704
R708
R701
R705
R706
R706
R704
R702
R700
C702
C701
Q719
R795
C700
R783
R787
FFC701
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