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Model
XL-HP404 (serv.man13)
Pages
80
Size
5.93 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System
File
xl-hp404-sm13.pdf
Date
PREV: Sharp XL-HP404 (serv.man12) Service Manual

Sharp XL-HP404 (serv.man13) Service Manual ▷ View online

XL-HP404E/HP404H
5 – 2
[2] VOLTAGE
3.20 V
1.61V
1.61 V
1.60 V
1.61 V
3.06 V
1.65 V
1.65 V
1.65 V
1.65 V
1.48 V
0 V
1.65 V
0 V
1.65 V
1.47 V
1.48 V
0 V
0 V
0 V
1.60 V
0 V
1.61 V
1.61 V
0 V
0 V
3.20 V
0 V
3.20 V
0 V
0 V
1.59 V
1.60 V
3.20 V
0 V
0 V
0 V
0 V
0 V
0 V
3.61 V
0 V
0 V
1.80 V
3.80 V
0 V
1.45 V
1.49 V
3.19 V
3.79 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
3.20 V
0 V
0 V
0.53 V
0 V
5.18 V
5.18 V
4.68 V
0 V
0 V
0 V
0 V
0 V
0 V
4.86 V
4.86 V
3.01 V
0 V
1.12 V
0 V
3.20 V
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
27
28
29
30
31
32
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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
PIN
NO. VOLTAGE
IC1
2.10 V
2.20 V
2.10 V
2.20 V
2.10 V
2.20 V
0 V
4.37 V
5.02 V
3.20 V
1.62 V
1.65 V
1.62 V
1.65 V
1.62 V
0 V
1.62 V
1.64 V
4.71 V
4.71 V
3.92 V
3.11 V
3.10 V
2.50 V
1.65 V
0 V
5.02 V
8.68 V
5.02 V
0.69 V
0.71 V
0 V
0 V
0 V
2.11 V
2.20 V
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
27
28
29
30
31
32
33
34
35
36
PIN
NO. VOLTAGE
IC2
0 V
0 V
0.57 V
1.98 V
0.33 V
0 V
0 V
0.58 V
3.38 V
3.30 V
0 V
0 V
6.80 V
4.09 V
0 V
3.33 V
0.56 V
0 V
0 V
0.90 V
1.98 V
0.57 V
0 V
0 V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PIN
NO. VOLTAGE
IC101
2.10 V
6.10 V
2.10 V
2.10 V
0 V
0 V
5.10 V
3.00 V
5.10 V
0 V
3.90 V
3.90 V
2.20 V
1.20 V
1.30 V
2.10 V
0 V
2.20 V
2.08 V
1.29 V
2.40 V
2.40 V
5.10 V
3.65 V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PIN
NO. VOLTAGE
IC303
0 V
0 V
0 V
5.04 V
5.10 V
5.01 V
5.00 V
5.03 V
5.01 V
5.01 V
5.01 V
5.01 V
5.02 V
5.01 V
5.00 V
5.01 V
5.03 V
5.01 V
5.01 V
5.00 V
5.03 V
5.03 V
10.04 V
0 V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PIN
NO. VOLTAGE
IC601
2.57 V
0 V
0 V
0 V
0 V
5.22 V
10.18 V
4.75 V
0 V
0 V
5.23 V
0 V
5.23 V
0 V
0 V
2.59 V
5.24 V
0 V
0 V
10.18 V
0 V
2.57 V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
PIN
NO. VOLTAGE
IC302
2.57 V
2.56 V
5.15 V
0 V
2.66 V
2.55 V
0 V
2.73 V
2.73 V
0 V
5.16 V
5.16 V
0 V
0 V
0 V
5.15 V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PIN
NO. VOLTAGE
ICT21
5.11 V
12.96 V
20.43 V
0 V
19.56 V
10.06 V
8.52 V
1
2
3
4
5
6
7
PIN
NO. VOLTAGE
IC851
5.66 V
0.61 V
9.33 V
1
2
3
PIN
NO. VOLTAGE
IC854
4.72 V
4.62 V
0 V
4.68 V
4.70 V
4.72 V
0.31 V
0 V
0 V
13.20 V
2.29 V
2.02 V
0 V
4.60 V
0 V
4.70 V
0 V
3.00 V
5.06 V
0 V
0 V
4.60 V
0 V
2.30 V
0 V
4.86 V
0 V
4.85 V
48.00 V
5.01 V
4.90 V
4.90 V
4.90 V
4.68 V
4.90 V
0 V
2.10 V
4.96 V
4.87 V
0 V
1.98 V
3.70 V
12.90 V
12.90 V
0 V
4.70 V
4.58 V
4.60 V
0 V
0 V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
IC701
0.80 V
0 V
5.03 V
4.98 V
5.00 V
5.00 V
-29.00 V
4.68 V
0 V
0 V
0 V
-0.20 V
0 V
0 V
0 V
0 V
0 V
0 V
-29.90 V
-29.90 V
-29.90 V
-26.00 V
-29.00 V
-21.00 V
-24.00 V
-26.00 V
-21.00 V
-21.00 V
-29.00 V
-26.00 V
-16.80 V
-25.00 V
-19.00 V
-27.06 V
-21.00 V
-24.00 V
-21.00 V
19.00 V
-27.00 V
-27.00 V
-25.00 V
-26.00 V
-26.00 V
-26.00 V
-26.00 V
-26.00 V
-26.00 V
-26.00 V
-26.00 V
-26.00 V
PIN
NO. VOLTAGE
51
64
63
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
62
61
60
59
58
57
56
55
54
53
52
85
84
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
83
82
81
3.2 V
94.3 mV
3.2 V
E
C
B
PIN
NO. VOLTAGE
Q1
4.9 V
3.2 V
4.2 V
E
C
B
PIN
NO. VOLTAGE
Q2
-0.0 mV
0.2 mV
0.2 mV
E
C
B
PIN
NO. VOLTAGE
Q301
10.01 V
0.4 mV
10.01 mV
E
C
B
PIN
NO. VOLTAGE
Q360
0.3 mV
0.2 mV
0.3 V
E
C
B
PIN
NO. VOLTAGE
Q601
0.3 mV
0.2 mV
0.7 V
E
C
B
PIN
NO. VOLTAGE
Q602
0.4 mV
0.2 mV
0.7 mV
E
C
B
PIN
NO. VOLTAGE
Q603
0.4 mV
0.1 mV
0.7 V
E
C
B
PIN
NO. VOLTAGE
Q604
12.9 V
0.8 mV
12.9 V
E
C
B
PIN
NO. VOLTAGE
Q701
12.9 V
10.0 mV
15.9 V
E
C
B
PIN
NO. VOLTAGE
Q702
0.9 mV
4.5 V
0.9 mV
1
2
3
PIN
NO. VOLTAGE
Q703
10.01 V
9.7 V
207.2 mV
1
2
3
PIN
NO. VOLTAGE
Q711
-392.1 mV
4.9 V
-392.4 mV
E
C
B
PIN
NO. VOLTAGE
Q712
12.9 V
362.5 mV
12.9 V
E
C
B
PIN
NO. VOLTAGE
Q713
9.8 mV
4.5 V
9.9 mV
E
C
B
PIN
NO. VOLTAGE
Q714
12.9 V
9.8 mV
12.9 V
E
C
B
PIN
NO. VOLTAGE
Q715
9.9 mV
5.10 V
9.8 mV
1
2
3
PIN
NO. VOLTAGE
Q719
24.1 mV
-1350.0 mV
0.8 V
E
C
B
PIN
NO. VOLTAGE
Q841
-0.18 mV
-0.18 mV
0.5 V
E
C
B
PIN
NO. VOLTAGE
Q901
0.14 mV
0.5 V
0.16 mV
E
C
B
PIN
NO. VOLTAGE
Q902
0.7 mV
0.5 V
-0.10 mV
E
C
B
PIN
NO. VOLTAGE
Q903
0.6 mV
0.5 V
-0.9 mV
E
C
B
PIN
NO. VOLTAGE
Q904
-29.17 V
-29.77 V
-42.4 V
E
C
B
PIN
NO. VOLTAGE
Q906
0.6 mV
0.5 V
0.8 V
E
C
B
PIN
NO. VOLTAGE
QT21
-0.0 mV
9.9 V
15.1 V
1
2
3
PIN
NO. VOLTAGE
Q110
(XL-HP404H ONLY)
0 V
0 V
0 V
36.70 V
-35.40 V
0 V
0 V
37.90 V
0 V
0 V
0 V
-36.60 V
0 V
0 V
0 V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PIN
NO. VOLTAGE
IC901
XL-HP404E/HP404H
5 – 3
—
MEMO
—
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
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