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HCD-XG60/XG500
21
21
7-3.
BLOCK DIAGRAM – MAIN Section –
DBFB CONTROL
SWITCH
Q111
BASS WOOFER
CONTROL SWITCH
Q115
PROTECT
SWITCH
Q804
RESET
SWITCH
Q801
PHONO
EQ AMP
IC601
POWER AMP
IC801
CD-L
J701 (1/2)
A
(Page 19)
(Page 20)
C
(Page 20)
(Page 22)
PB-L
B
SPEANA
F
R-CH
FUNCTION SELECT
SWITCH
IC181
R-CH
VOLUME
CONTROL
CPU
INTERFACE
BASS BOOST
CONTROL
CIRCUIT
INPUT
SELECT
SWITCH
SOUND
CONTROL
CIRCUIT
GRAPHIC
EQUALIZER
CONTROL
CIRCUIT
R-CH
FEED BACK
SWITCH
Q112
R-CH
COMMAND
F OUT2
BUF
OUT2
VOL
IN2
+
+
R-CH
R-CH
R-CH
R-CH
EVER +5V
D803
R-CH
+
+
RV601
MIC AMP
IC850 (2/2)
MUTING
Q113
OVER LOAD
DETECT
Q801, 851
TEMPERATURE
DETECT SWITCH
Q831, 832
DC DETECT
SWITCH
Q433, 434
INPUT SELECT SWITCH,
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC101
IN D2
IN C2
IN E2
IN A2
IN F2
KEY IN2
KEY IN1
KEY OUT 2
KEY OUT 1
L+R
DATA
CLOCK
LATCH
493-DATA
493-CLK
493-LAT
SW-MODE
BB B2,
BB A2
MIC IN
SUPER
WOOFER
REC A2
REC-L
REC B2
R-CH
R-CH
X0
X
A
B
X1
TH831
R-CH
R-CH
+
R-CH
M901
(FAN)
(US, Canadian, E)
R-CH
–1
–2
FAN MOTOR
DRIVE
Q961, 962
R-CH
R-CH
OVER LOAD
DETECT SWITCH
Q432
PROTECT SWITCH
Q439
OVER LOAD
DETECT SWITCH
Q437
FRONT SPEAKER PROTECT
RELAY DRIVE
Q401, 402
STANDBY SWITCH
Q803, 804, 834
MUTING CONTROL
SWITCH
Q802, 803
MUTING CONTROL
SWITCH
Q833
HEADPHONE
MUTING
Q805, 855
TM401
J802
J801
L
L
R
R
PHONO
IN
L
R
VIDEO
AUDIO IN
GAME
INPUT
AUDIO
MD IN
J701 (2/2)
L
R
MD OUT
38, 39
D501
D534
D807
D401
RY401
J803
PHONES
+
–
–
+
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (3/4)
+
GUITAR AMP
IC853
27
F-RELAY
3
7
34
STK-POWER
1
HP MUTE 93
LINE-MUTE
RESET
6
12
AC-CUT 22
HP-IN 36
47
48
38
60 5
59
6
2
58
57
42
41
72
36
34
BUF IN2
37
32
33
66
67
65
69
64
IN B2
68
M
L
R
30
+
XC-OUT
X502
16MHz
X501
32.768kHz
XC-IN
X-OUT
X-IN
FUNC SEL0
FUNC SEL1
V MUTE
11
10
13
46
14
13
10 9
12
15
J804 (2/2)
L
R
45
28
PROTECT
DBFB-H/L
GUITAR
MIX MIC
DISTORTION
E
(Page 22)
DISTORTION
ON/OFF SWITCH
Q880 – 883
GUITAR AMP
IC852
MIC AMP
IC850 (1/2)
MIC LEVEL
RV602
GUITAR LEVEL
ST-L
D
(Page 20)
1
6
IN1
IN3
10
VOUT
5
3
2
CTLA
CTLB
CTLC
LOGIC
J804 (1/2)
J702 (1/2)
J702 (2/2)
C
B
A
C
B
A
VIDEO SELECT
SWITCH,
VIDEO AMP
IC191
GAME
INPUT
VIDEO
VIDEO
AUDIO IN
VIDEO OUT
• SIGNAL PATH
: TUNER (FM/AM)
: CD PLAY
• R-ch is omitted due to same as L-ch.
: TAPE PLAY
: RECORD
: MIC INPUT
G
(Page 22)
RESET
RESET SIGNAL
GENERATOR
IC801
PROTECT SWITCH
Q431
FRONT SPEAKER
IMPEDANCE
USE 4 – 16
Ω