Sharp XL-HP550 (serv.man13) Service Manual ▷ View online
– 13 –
XL-HP550E
Figure 13 SCHEMATIC DIAGRAM (2/11)
7
8
9
10
11
12
+B
+B
+B
+B
4.4V
0.2V
+
+
+
–
–
–
+
+
+
–
–
–
P28 1 - A
CNP801
TO POWER PWB
HEAT SINK
GND
GND
(1/2W)
(1/2W)
(1/2W)
HEADPHONES PWB-A3
TERMINAL PWB-A4
SPEAKERS
L
R
(1/2W)
6 OHMS MIN
(ML)
(ML)
R_OUT
L_OUT
3
1
2
1
5
4
3
6
5
4
3
2
1
1
2
3
4
5
1
3
2
R-CH_GND
L-CH_GND
R-CH
L-CH
R-CH_GND
L-CH_GND
L-CH
R-CH
M_+12.0V
SP_RLY
R_CH
GND
L_CH
5
4
3
2
1
HEADPHONES
FAN MOTOR
SURROUND
SPEAKERS
SPEAKERS
+
2
1
M
2
1
2
MAIN PWB-A1(1/3)
LUG902(229)
LUG903(229)
CHASSIS
GND
CHASSIS
GND
KTC3203 Y
47/50
1K
68K
10/50
15K
DS1SS133
2.2
µ
H
330
330
22/50
22/50
100P
100P
0.001
0.022
0.1
5.6
3.9
0.001
0.1
0.022
0.1
0.1
(ML)
(ML)
(ML)
(1/2W)
(ML)
(ML)
(1/2W)
(ML)
(ML)
(1/2W)
(ML)
(ML)
(1/2W)
3.9
0.022
0.022
5.6
0.001
KTC3199 GR
DS1SS133
2.2K
2.2K
4.7
0.22
0.22
47K
CNP971
CNS971
M971
Q906
C930
R949
R950
C931
R947
D912
WT902
JK951
HD902
FW902
L922
R961
R962
C954
C955
SO902
WT903
C945
C944
FW903
HD903
SO901
01
CNS801
C943
C938
C936
R954
R952
C942
C934
C940
L921
L920
C937
C935
R953
C941
C939
R955
C961
Q905
RL914
D911
R944
R945
R941
C927
C929
R946
XL-HP550E
– 14 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 8.
Figure 14 SCHEMATIC DIAGRAM (3/11)
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
P31 11 - D
CNP9
TO CD SERVO PWB
CD SIGNAL
TAPE MECHANISM
Ass'y(210)
Ass'y(210)
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
14
15
10 11
REC_R
SPARE
D_GND
LD+8V
A-5V
D_5V
+B
+B
+B
CD_GND
L-CH
A_GND
R-CH
7
6
8
3
1
2
4
5
2
1
3
4
5
6
7
8
9
LD_+8V
CD_D_GND
A_+5V
D_+5V
CD_D_GND
CD_A_GND
TO MAIN PWB(1/3)
P12 1 - F~G
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
ERASE HEAD
PLAYBACK HEAD
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(2/3)
R-CH
L-CH
1
2
3
7
13
11
10
15
16
A_GND
TO MAIN PWB(1/3)
P12 1 - E
– +
– +
– +
–+
–+
–+
–
+
– +
CCB
INTERFACE
AUX
DECK
TUNER
CD
112K
56K
112K
56K
Hich=CHROME
–
–
+
+
Hich=T1
+
–
+
–
Nor/CrO2
RIPPLE
ALC
ALC
LSEL0
RS
R
RB
R
V
L1
L2
L3
L4
LIN
LTRE
LBASS
LOUT
VSS
CE
DI
HEAD PLATE
BLOCK(210-1)
BLOCK(210-1)
2
2
1
1
3
3
PLAYBACK SIGNAL
RECORD SIGNAL
RECORD SIGNAL
2.2K
180P
3.3K
2SC1845 F
2SC1845 F
47K
4.7K
KTC3199 GR
560P
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
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
2SC1845 F
3.3K
2.2K
2SC1845 F
47K
4.7K
KTC3199 GR
560P
100/16
4.7K
KRC104 M
15K
KRC104 M
10K
10K
KTA1266 GR
150
22K
22K
22/50
2.2/50
18K
18K
10K
100P
1/50
1/50
1/50
3.3K
0.15
0.15
1/50
0.0022
1/50
10K
4.7/50
0.0022
1/50
330
330
2.2K
0.001
2.2K
0.001
390
2.2K
3.3K
2.2K
0.001
KTC3199 GR
KTC3199 GR
KTC3199 GR
0.001
390
KTC3199 GR
3.3K
220K
10K
10K
K
KTC3199 GR
LC75341
AUDIO PROCESSOR
BI901
CNS9
BI102
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
C651
C652
R601
R602
C143
C121
C125
R129
R127
C123
R131
R133
C127
R135
C131
C129
IC101
C104
Q104
R106
R104
Q102
R108
R110
Q106
C106
C141
Q114
R112
Q113
R147
R146
Q112
R149
R621
R620
C640
C639
R646
R645
R609
C625
C621
C619
C617
R607
C605
C607
C615
C613
C611
C609
R605
C631
C623
R619
R618
R611
C638
R610
C636
R613
R617
R615
R616
C637
Q604
Q603
Q601
C635
R612
Q602
R614
R136
R139
R138
Q108
R148
C126
IC601
FM SIGNAL
AUX SIGNAL
– 15 –
XL-HP550E
Figure 15 SCHEMATIC DIAGRAM (4/11)
7
8
9
10
11
12
11.6V
0V
11.6V
0V
0V
0V
0V
0.7V
0V
P18 2 - F
CNP701A
TO DISPLAY PWB
24
23
22
21
20
19
18
17
16
15
14
13
16
9
13
14
15
10 11 12
R
TAPE_A_GND
UNSW5.6V
SW_5V
S_MUTE
M_+13V
+B_PROTECT
–20dB
SP_DET
D_GND
SP_RLY
REC/PLAY
T_BIAS
CLK
DI
TUN_SM
CE
DO
(1/2W)
20
20
19
18
17
16
14
15
12
13
8
9
10
11
5
7
6
4
3
2
1
1
TUN_L
DO
TUN_SM
TUN_R
CLK
D1
D_GND
A_+10V
+B
CE
28
21
22
27
30
24
25
26
29
23
L-CH
R-CH
GND
VIDEO/AUX
4
3
2
1
M_GND
APRO_GND
A_+10V
+B_PROTECT
D_GND
M_+12.6V
SW_+5V
UNSW5.6V
SP_DET
SP_RLY
TO MAIN PWB(1/3)
P12 1 - E~H
4
5
6
9
8
14
19
18
20
17
12
TO MAIN PWB(3/3)
P17 10 - G
–+
–+
–+
–
+
– +
E
X
K
ER
D
6K
6K
Nor/CrO2
RIPPLE
ALC
ALC
VCC
R1
R2
R3
R4
RSEL0
RIN
RTRE
RBASS
ROUT
VREF
VDD
CLK
CHASSIS
GND
1
2
3
22/16
0.022
220/10
10K
0
.0033
47/25
330
µ
H
220
47K
4.7K
82
4.7
0.039(ML)
0.0082
22K
47K
KTC3203 Y
47/25
KTA1266 GR
0.047(ML)
KRC104 M
390P
390P
6.8K
6.8K
39K
39K
10K
47/25
0.0033
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
100P
10K
10K
10K
0.0022
1/50
1/50
4.7/50
1/50
1/50
1/50
0.022
220/16
22/16
0.15
0.15
10K
1/50
1K
3.3K
0.0022
220P
220K
220K
10K
K
KTC3199 GR
5341
OCESSOR
C133
C135
C134
R134
C130
C132
L103
R158
R140
R141
R142
R145
C139
C138
R144
R143
Q111
C140
Q109
C137
Q110
CNP701B
JK690
C691
C690
R690
R691
R693
R692
R135
C131
C129
IC101
C626
R608
R642
R641
C632
C624
C614
C616
C618
C620
C622
C602
C601
C603
C608
C606
R604
C610
R603
R606
C612
C653
R137
R136
R139
8
Q107
FC701
601
XL-HP550E
– 16 –
Figure 16 SCHEMATIC DIAGRAM (5/11)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 8.
6
4
3
2
1
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
18
19
20
21
22
23
24
6
5
4
3
2
1
6
4
5
4
5
3
2
1
TP301
SPARE LOCATION
CONT
IF
FM/AM
FM/AM
(UJ)
(UJ)
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
X IN
X OUT
IF IN
REG
AM IF IN
GND
SD
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 BAND
COVERAGE fL
FM IF
FM IF
FM
75 OHMS
ANTENNA
TERMINAL
TERMINAL
1
1
2
2
3
1
2
3
FM FRONT END
0.022
DS1SS133
DS1SS133
0.022
0.022
0.022
470
100/16
15
2.2
µ
H
0.022
4.7K
0.001
DS1SS133
DS1SS133
2SC380-0
33
680
6.8K
330
33
0.01
0.001
KTA1266 GR
15P
82K
0.01
10/16
2.2K
1/50 1.5K
12P
150
4.7K
1K
1K
0.001
47/16
0.022
10K
1K
4.5MHZ
0.022
100
µ
H
+B
+B
+B
1
33
47K
LC72131
0.022
0.022
10/16
1K
0.022
5.6K
560P
22P
68K
SVC348S
10K
15P
0.047
0.022
10K
0.022
3.3/50
3.9K
0.022
1/50
2.7K
0.022
2.2/50
0.001
0.022
L
F
F
PLL(TUNER)
C323
D302
D301
CNP302
L341
SO301
C345
C346
C347
R344
C321
R369
L342
C341
R345
C302
D303
D304
CF301
Q301
R349
R348
R347
R346
R399
C348
FE301
C384
Q361
C382
R390
C385
C380
R379
C389 R380
C381
R382
R378
R373
R374
C387
C392
C394
C397
R381
R372
X352
L351
R3
C3
R377
IC302
C351
C350
C352
T351
CF352
R351
R352
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
FM SIGNAL
AM SIGNAL