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HCD-M90
69
69
C242
L201
C335
C244
C245
C144
C145
R144
R244
TH1
TH2
R143
R243
C243
R323
R330
C142
R241
R141
C143
C369
C370
D316
D315
C350
C351
Q408
Q409
Q406
Q407
C322
C317
D311
C318
C319
R340
C321
C327
C320
C331
R161
R261
R364
R305
Q312
Q313
Q100
Q200
C312
R307
R108
R208
R313
C313
JR303
R309
C315
C316
C371
C334
SJ301
TH1
TH2
CN304
IC201
IC101
C141
C241
CN303
Q309
Q355
IC304
Q311
Q310
L202
L203
L204
S814
S816
S810
S819
R887
R890
R893
CNP602
LGP2
C897
J301
FB512
FB511
FB510
L101
L201
R515
R891
JR502
JR503
JR306
R308
CNP101
C310
D310
L101
C898
L205
D313
R383
R242
R240
R140
R142
R302
D317
C306
C307
R341
LGP1
D803
D801
C309
C308
470p
1000p
0.1
0.1
0.1
0.1
4.7
4.7
100k
100k
22
50V
10k
1k
470p
22k
22k
22
50V
2200p
220p
1SS133
1SS133
4.7
50V
4.7
50V
DTC343TK
DTC343TK
DTC343TK
DTC343TK
470
16V
0.1
MTZJ-T-77-12B
10
50V
0.1
100
0.1
470
16V
220
10V
0.1
47
47
47
100
SRA2202S
SRC1202S
DTC343TK
DTC343TK
220
10V
10k
47k
68k
47k
100
10V
0
1k
100
10V
10000p
1000p
1000p
4P
5P
TDA7296
TDA7296
47
50V
47
50V
17P
STC352-OY
KTC2026
KIA7808API
KTC3198GR-A
KTC3198GR-A
1k
1.5k
2.2k
5P
0.022
680
1k
0
0
0
100k
11P
3300
25V
MTZJ-T-72
-3.9A
0.022
1SS133T
0
33k
680
680
33k
100k
1SS355TE-17
47
50V
100
16V
470
1SS355TE-17
1SS355TE-17
2200
35V
2200
35V
A1
A2
A5
A6
A7
A10
A18
A19
ALC_CON
TC_SW
END_SW
PLAY_SW
M_CON
S_CON
CD_ON
SCE
B/UP
KEY
STK_MUTE
AU_MUTE
H/P_DETECT
REC/PB
REC_MUTE
LINE_MUTE
STBY_RELAY
STK_POWER
DC DET
KEY
AU_MUTE
H/P_DETECT
DD CONT
AC DET
H/P CHECK
L-OUT
R-OUT
GND
KEY
CD-ON
SOL-CON
MOT-CON
AU MUTE
+8V
END SW
PLAY SW
TC-SW
LINE.MUTE
REC/PB
REC.MUTE
ALC CON
H/P DETECT
KEY-0
(2/2)
+
+
-
-
R
L
SPEAKER
IMPEDANCE
USE 6-16
Ω
(CHASSIS)
(CHASSIS)
MUTING
MUTING
MUTING
MUTING
CONTROL
SWITCH
Q312,313
MUTING
MUTING
MUTING
PLAY MODE
TUNING MODE
REPEAT
FM MODE
CD SYNCHRO
DIRECTION
PHONES
DC DETECT
Q310,311
POWER AMP
POWER AMP
D-GND
P-GND
VOL-CE
+12V REGULATOR
+8V REGULATOR
L-OUT
H/P CHECK
R-OUT
GND
KEY
-22.5V
R1-GND
+22.5V
R2-GND
+14.2V
COM 8V
RELAY ON
AC DET
DVD POWER CONT
FAN CONTROL
BACKUP4V
+3.3V REGULATOR
4.7
µ
H
4.7
µ
H
4.7
µ
H
10
µ
H
10
µ
H
4.7
µ
H
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
6-41. SCHEMATIC DIAGRAM – MAIN (2/2) (Suffix-16)/JACK (Suffix-12) Boards – •
See page 85 for IC Block Diagrams.
w w w . x i a o y u 1 6 3 . c o m
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2
9
8
T E L
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9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299