DOWNLOAD Sharp XL-HP404 (serv.man9) Service Manual ↓ Size: 2.18 MB | Pages: 27 in PDF or view online for FREE

Model
XL-HP404 (serv.man9)
Pages
27
Size
2.18 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / (6) Circuit schematics and parts layout
File
xl-hp404-sm9.pdf
Date
PREV: Sharp XL-HP404 (serv.man8) Service Manual

Sharp XL-HP404 (serv.man9) Service Manual ▷ View online

XL-HP404E/HP404H
6 – 1
Audio
XL-HP404E/HP404H
Service Manual
XL-HP404H
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 [XL-HP404H ONLY]
ON—OFF
SW707
PTY. TI SEARCH [XL-HP404H ONLY]
ON—OFF
SW708
DISPLAY MODE [XL-HP404H ONLY]
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
KTA1504 Y
KTA1271 Y
KTA1273 Y
KTA1274 Y
SVC347S
FRONT
VIEW
KTA1504 GR
KTC3199 GR
KTC3200 GR
KTC3875 GR
KTC3203 Y
2SC380 O
XL-HP404E/HP404H
6 – 2
[3] WIRING SIDE OF P.W.BOARD/SCHEMATIC DIAGRAM
Figure 6-2 SCHEMATIC DIAGRAM (1/14)
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
3
2
1
TP301
CONT
IF
FM/AM
FM/AM
(CH)
(CH)
SD
(CH)
(CH)
ST
IND
MO/ST
FO
U
T
IF
OUT
VCC
VT
GND
GND
GND
ANT
VSS
AOUT
AIN
PD
VDD
FM
IN
AM
IN
DO
CL
DI
CE
XI
N
X
OUT
IF
IN
REG
AM
IF
IN
GND
SD
STEREO
FM
DET
FM/AM
O
UT
VSM
AM
LOW
CUT
AM
RF
IN
AM
OSC
IN
FM
AFC
AM
OSC
O
UT
AM
MIX
O
UT
FM
IF
IN
AM
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
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
22
+B
+B
+B
+B
1K
330P
47K
LC72131
0.022
0.022
0.022
10/16
1K
270
0.022
0.022
1K
10
7MHZ
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 PASS
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
R3
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
X351
L354
FM SIGNAL
AM SIGNAL
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
XL-HP404E/HP404H
6 – 3
Figure 6-3 SCHEMATIC DIAGRAM (2/14)
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
9
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/
READY
XIN
MPXIN
VDDA
VSSA
FLOUT
CIN
TEST
XOUT
TO MAIN PWB(1/2)
6-5 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
O
UT
MPX
IN
MPX
V
CO
FM/AM
O
UT
1 2 3 4 5 6 7 8 9 10 11 12 13 14
FM
IF
TUNER PWB-C
XL-HP404H ONLY
CNP303
100P
0.01
0.001
100µH
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(CH)
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-HP404E/HP404H
6 – 4
Figure 6-4 SCHEMATIC DIAGRAM (3/14)
NOTES ON SCHEMATIC DIAGRAM can be found on page 6-1
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
0V
TAPE MECHANISM
Ass'y(213)
6-11 11 - E
CNP2
TO CD SERVO PWB
CD SIGNAL
24
23
22
21
20
19
18
17
16
15
14
13
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
P
WB(2/2)
XL-404H:
6-8
1
-
E
~H
XL-404H:
6-6
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(2/2)
6-6
1
-
D
– +
– +
– +
–+
–+
–+
–
+
– +
CCB
INTERFACE
AUX
DECK
TUNER
CD
112K
56K
112K
56K
Hich=CHROME
–
–
+
+
Hich=T1
+
–
+
–
Nor/CrO2
RIPPLE
ALC
ALC
VCC
LSEL0
R1
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
2.2K
180P
3.3K
KTC3200 GR
KTC3200 GR
47K
4.7K
KTC3875
G
R
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
0.022
220/10
10K
22/16
0.0033
47/25
5.6K
0.022
LC75341
AUDIO PROCESSOR
AN7345K
PLAYBACK
A
ND
RECORD/
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
G
R
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
220P
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
KTC3875
KTC3875
G
R
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
C135
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
C653
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
Q107
Q108
R148
C126
FM SIGNAL
AUX SIGNAL
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  • 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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