DOWNLOAD Sharp XL-HP434 (serv.man7) Service Manual ↓ Size: 1.73 MB | Pages: 21 in PDF or view online for FREE

Model
XL-HP434 (serv.man7)
Pages
21
Size
1.73 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Circuit schematic and parts layout
File
xl-hp434-sm7.pdf
Date
PREV: Sharp XL-HP434 (serv.man6) Service Manual

Sharp XL-HP434 (serv.man7) Service Manual ▷ View online

XL-HP434H
6 – 1
Audio
XL-HP434H
Service Manual
XLHP434H
Market
E
 
CHAPTER 6. 
CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] NOTES ON SCHEMATIC DIAGRAM
•
Resistor:
To differentiate the units of resistors, such symbol as K and M are
used: the symbol K means 1000 ohm and the symbol M means
1000 kohm and the resistor without any symbol is ohm-type resis-
tor. Besides, the one with “Fusible” is a fuse type.
•
Capacitor:
To indicate the unit of capacitor, a symbol P is used: this symbol P
means pico-farad and the unit of the capacitor without such a sym-
bol is microfarad. As to electrolytic capacitor, the expression
“capacitance/withstand voltage” is used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
(P.P.): Polypropylene type
•
Schematic diagram and Wiring Side of P.W.Board for this model
are subject to change for improvement without prior notice.
•
The indicated voltage in each section is the one measured by Digi-
tal Multimeter between such a section and the chassis with no sig-
nal given.
1. In the tuner section,
indicates AM
indicates FM stereo
2. In the main section, a tape is being played back.
3. In the deck section, a tape is being played back.
4. In the power section, a tape is being played back.
5. In the CD section, the CD is stopped.
•
Parts marked with “
 ” (
) are important for
maintaining the safety of the set. Be sure to replace these parts
with specified ones for maintaining the safety and performance of
the set.
[2] TYPES OF TRANSISTOR AND LED
REF. NO
DESCRIPTION
POSITION
SW1
CLAMP
ON—OFF
SW1A
PICKUP IN
ON—OFF
SW2
TRAY SW1
ON—OFF
SW3
TRAY SW2
ON—OFF
SW4
DISC
ON—OFF
SW701
ON/STAND-BY
ON—OFF
SW702
CLOCK/TIMER
ON—OFF
SW703
REVERSE MODE
ON—OFF
SW704
REVERSE PLAY
ON—OFF
SW705
PRESET DOWN
ON—OFF
SW706
ASPM ON—OFF
SW707
PTY. TI SEARCH 
ON—OFF
SW708
DISPLAY MODE 
ON—OFF
SW709
CD
ON—OFF
SW710
TUNER (BAND)
ON—OFF
SW711
VIDEO/AUX
ON—OFF
SW712
TAPE
ON—OFF
SW713
REC/PAUSE
ON—OFF
SW714
TUNING/TIME UP
ON—OFF
SW715
TUNING/TIME DOWN
ON—OFF
SW716
STOP
ON—OFF
SW717
PLAY
ON—OFF
SW718
PRESET UP
ON—OFF
SW719
X-BASS/DEMO
ON—OFF
SW720
EQUALISER
ON—OFF
SW721
MEMORY/SET
ON—OFF
SW722
DIRECT PLAY
ON—OFF
SW723
DISC 1
ON—OFF
SW724
DISC 2
ON—OFF
SW725
DISC 3
ON—OFF
SW726
DISC 4
ON—OFF
SW727
DISC 5
ON—OFF
SW728
OPEN/CLOSE
ON—OFF
REF. NO
DESCRIPTION
POSITION
(1) (2) (3)
(S) (G) (D)
E C B
FRONT
VIEW
KRC102 S
KRC104 S
KRA107 S
KRA102 S
KTA1504 Y
KTA1271 Y
KTA1273 Y
KTA1274 Y
SVC347S
FRONT
VIEW
KTA1504 GR
KTC3199 GR
KTC3200 GR
KTC3875 GR
KTC3203 Y
2SC380 O
2SD601 AR
XL-HP434H
6 – 2
[3] WIRING SIDE OF P.W.BOARD/SCHEMATIC DIAGRAM
Figure 6-2 SCHEMATIC DIAGRAM (1/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
0.7V
0V
0V
0V
0.7V
0V
0V
0V
0V
0V
0V
0.7V
0.7V
0V
0V
0V
9.3V
8.6V
9.3V
0V
3.4V
0V
0V
3.4V
0V
0.7V
0.7V
0
TAPE MECHANISM
Ass'y(213)
6-11 12 - E
CNP2
TO CD/MP3 PWB
CD SIGNAL
12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
5
4
3
2
1
16
17
18
19
6
7
8
9
13
14
15
10
11
12
REC_R
SPARE
D_GND
LD+8V
+B
+B
+B
+B
A-5V
D_5V
+B
+B
+B
CD_GND
L-CH
A_GND
R-CH
2
3
1
6
8
7
5
4
8
9
7
6
5
4
3
2
1
LD_+8V
CD_D_GND
A_+5V
D_+5V
CD_GND
CD_A_GND
TO
MAIN
PWB(2/2)
6
-4
1-E
~
H
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
ERASE HEAD
PLAYBACK
H
EAD
RECORD/
R-CH
L-CH
6
3
7
8
5
4
1
2
6
3
5
4
1
2
6
3
5
4
1
2
MAIN PWB-A1(1/2)
R-CH
L-CH
1
2
3
7
23
11
10
26
24
A_GND
TO
MAIN
PWB(1/3)
6
-4
1-D
– +
– +
– +
–+
–+
–+
–
+
– +
CCB
INTERFACE
AUX
DECK
TUNER
CD
112K
56K
112K
56K
Hich=CHROME
–
–
+
+
Hich=T1
+
–
+
–
Nor/CrO2
RIPPLE
ALC
ALC
VCC
LSEL0
R
R2
R3
R4
RSEL0
RIN
RTRE
RBASS
ROUT
VREF
VDD
CLK
L1
L2
L3
L4
LIN
LTRE
LBASS
LOUT
VSS
CE
DI
2
2
1
1
3
3
PLAYBACK SIGNAL
RECORD SIGNAL
HEAD PLATE
BLOCK(213-1)
2.2K
180P
3.3K
KTC3200 GR
KTC3200 GR
47K
4.7K
KTC3875
GR
0.0015
15K
12K
6.8K
47/25
330P
1K
100/16
56
560P
0.033
100K 3.9K
12K
56
330P
1K
100/16
560P
47/25
6.8K
0.033
100K
3.9K
1.5K
270P
4.7K
68K
100
22/16
220/10
10K
22/16
0.0033
47/25
5.6K
0.022
LC75341
AUDIO PROCESSOR
AN7345K
220P
220P
1K
1K
3.3/50
0.022
22/16
5.6K
4.7K
270P
1.5K
100
0.022
10K
47/25
0.0033
180P
KTC3200 GR
3.3K
2.2K
KTC3200 GR
47K
4.7K
KTC3875
GR
0.0015
100/16
4.7K
KRC104 S
15K
KRC104 S
10K
10K
KTA1504 GR
150
22K
22K
22/50
2.2/50
0
1K
0.0022
1/50
1/50
1/50
3.3K
0
0.15
0.15
1/50
0.0022
1/50
10K
4.7/50
1/50
330
330
2.2K
2.2K
390
2.2K
3.3K
2.2K
KTC3875
GR
KTC3875
GR
KTC3875
GR
390
KTC3875
GR
3.3K
220K
10K
10K
KTC3
KTC3875
GR
BI601
CNS2
BI102
CNS102
R103
C103
R105
Q103
Q101
R107
R109
Q105
C105
R111
R121
R123
C117
C109
R113
C111
R115
C115
C113
R117 R119
R122
R116
C110
R114
C112
C116
C118
R124
C114
R118 R120
R130
C124
R126
R150
R132
C133
C134
R134
C130
C132
R128
C128
IC601
IC101
C651
C652
R601
R602
C143
C121
C125
R129
R127
C123
R131
R133
C127
R135
C131
C129
C104
Q104
R106
R104
Q102
R108
R110
Q106
C106
C141
Q114
R112
Q113
R147
R146
Q112
R149
R621
R620
C640
C639
R645
R609
C625
C621
C619
C617
R607
R05
C605
C607
C615
C613
C611
C609
R605
C623
R619
R618
R611
R610
R613
R617
R615
R616
Q604
Q603
Q601
R612
Q602
R614
R136
R139
R138
Q
Q108
R148
C126
FM SIGNAL
AUX SIGNAL
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
XL-HP434H
6 – 3
Figure 6-3 SCHEMATIC DIAGRAM (2/10)
7
8
9
10
11
12
11.6V
0V
11.6V
0V
0V
0V
0V
0.7V
0V
6-9 11 - B
TO DISPLAY PWB
24
23
22
21
20
19
18
17
16
15
14
13
16
9
13
14
15
10
11
12
TAPE_A_GND
UNSW5.6V
P_IN
P_IN
SW_5V
S_MUTE
M_+13V
A_+10V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B_PROTECT
RDS-READY
RDS-RDCL
RDS-RDDA
RDS-RST
–20dB
–VF
VF1
VF2
–VF
VF1
VF2
SP_DET
D_GND
SP_RLY
AC_RLY CON
AC_RLY
CON
REC/PLAY
T_BIAS
CLK
DI
TUN_SM/SPAN
CE
DO
(1/2W)
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
14
13
12
11
10
9
8
7
6
5
4
3
2
1
27
1
TUN_L
DO
RDS_READY
RDS_RDCL
RDS_RDDA
RDS_RST
TUN_SM
TUN_R
CLK
DI
D_GND
A_GND
A_+10V
CE
L-CH
R-CH
VIDEO/AUX
4
3
2
1
M_GND
APRO_GND
A_+10V
+B_PROTECT
D_GND
M_+13V
SW_+5V
UNSW5.6V
SP_DET
SP_RLY
TO MAIN PWB(2/2)
6-4 1 - D~H
4
5
6
9
8
17
18
22
19
25
21
12
16
15
14
13
FROM
TUNER
PWB
6-7
9
-
G
–+
–+
–+
–
+
– +
K
R
K
6K
Nor/CrO2
RIPPLE
ALC
ALC
VCC
R1
R2
R3
R4
RSEL0
RIN
RTRE
RBASS
ROUT
VREF
VDD
CLK
CHASSIS
GND
1
2
3
FFC701
CNP701A
CNS303
22/16
0.022
220/10
10K
0.0033
47/25
330µH
220
47K
4.7K
82
4.7
0.039(ML)
0.0082
22K
47K
KTC3203
Y
47/25
KTA1504 GR
0.047(ML)
KRC104 S
390P
390P
6.8K
6.8K
39K
39K
341
OCESSOR
AN7345K
PLAYBACK
A
ND
RECORD/
PLAYBACK
AMP.
10K
47/25
0
.0033
0.0022
1K
10K
10K
1/50
1/50
4.7/50
1/50
1/50
1/50
0.022
220/16
22/16
0.15
0.15
10K
22K
22K
1/50
1K
3.3K
0.0022
220P
0
220K
220K
10K
KTC3875 GR
C133
C135
C134
R134
C130
C132
L103
R158
R140
R141
R142
R145
C139
C138
R144
R143
Q111
C140
Q109
C137
Q110
CNP701B
CNP303
JK690
C691
C690
R690
R691
R693
R692
01
IC101
R135
C131
C129
C626
R608
R642
R641
C624
C614
C616
C618
C620
C622
C602
C601
C603
C608
C606
R604
R644
R643
C610
R603
R606
C612
C653
R06
R137
R136
R139
Q107
XL-HP434H
6 – 4
Figure 6-4 SCHEMATIC DIAGRAM (3/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
DZ6.2BSA
KRC104 S
DS1SS133
DS1SS1
1K
1K
0.22
0.22
0.1/50
AN80T53
MULTI REGULATOR
3300/25
0.22
4.7
0.22
4.7
22K
22K
0.22/50
220/25
22/25
10/50
3.3K
0.1
22/25
22/25
22K
DS1SS133
DS1SS133
22K
10K
22K
DS1SS133
STK432-070
1K
3P(CH)
56K
3P(CH)
820
22/16
0.001
56K
0.22/50
10/63
5.6K
DS1SS133
DS1SS133
100
1K
0.1
DS1SS133
47/50
0.22
22K
KTC3875 GR
0.022
5.6K
56K
0.001
0.1
22/16
1K
56K
10/63
100/63
1K
56K
KTC387
100
100/63
0.22
0.22
0.22
0.22
KTC3875
GR
0.022
1K
470P
56K
470P
56K
0.29µH
0.29µH
KTC3875
GR
1K
KTC3875 GR
820
DS1SS133
4
3
5
6
1
7
2
UNSW5.6V
VF1
P_IN
–VF
VF2
AC_RELAY CON
APRO_GND
M_+13V
R_CH
A_GND
M_GND
+B_PROTECT
A_+10V
SP_DET
SP_RLY
L_CH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
CD_GND
SW_+5V
3
1
2
A_+5V
LD_+8V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
SW
(1/2W)
(1/2W
MODE
1
10V
8.5V
5.1V
GND
VCC
13V
TO
MAIN
SECTION
6-2,6-3
2
-B,D,E/9,10,11-H
D_+5V
+B
+B
+B
+B
–B
–B
D_GND
CD_D_GND
CD_A_GND
TAPE_A_GND
AGND
Vcc
–Vcc
GND
CHASI
LG2(231)
LG1(231
LG3(231)
GND
CHASIS
GND
L
R
R
L
L
R
FAN MOTOR 5V
(2W)
(2W)
(2W)
(2W)
(1W)
(1W)
2200/56
2200/56
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
1
2
3
5
4
6
7
8
9
2
4
5
6
1
3
7
6
5
4
3
1
2
VF2
VF1
–VF
P_IN
UNSW_5.6V
AC_RELAY
HEATSINK
(50 watts/Ch)
Ch1
Out
Out
Ch2
Ch2
Ch1
–
–
+
+
(2Ch)
+Vcc
–Vcc
R-CH
L-CH
POWER AMP.
C907
R903
R909
R921
C913
C932
R917
R919
R910
R922
C914
R918
R920
R906
C908
BI801
CNS80
BI802
CNS802
ZD804
Q851
D865
IC851
C854
C859
C855
R854
C874
C865
C864
R864
D861
D860
R857
R859
R853
D862
D863
C905
R905
C909
C903
R901
C901
R907
C902
C915
R915
D905
R913
Q901
R923
C911
R908
D906
D907
C912
R916
R902
C904
R914
C910
C916
Q902
R924
Q904
C906
C925
R904
R937
R936
R935
Q903
L901
L902
C927
C926
C929
R941
C928
R940
IC901
D91
R957
R958
Q90
R925
C946
C922
C921
R928
R927
C856
FM SIGNAL
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
Page of 21
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  • Here you can View online or download the Service Manual for the Sharp XL-HP434 (serv.man7) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp XL-HP434 (serv.man7) System. Information contained in Sharp XL-HP434 (serv.man7) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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