HCD-GRX5/RX66
– 23 –
– 24 –
7-3.
BLOCK DIAGRAM – MAIN Section –
MIC LEVEL
DBFB CONTROL
SWITCH
Q111
SPEANA
MIXING AMP
IC102
RESET SIGNAL
GENERATOR
IC502
POWER AMP
IC801
CD-L
A
(Page 20)
C
(Page 22)
PB-L
B
(Page 22)
R-CH
R-CH
05
FM/AM TUNER UNIT
VOLUME
CONTROL
CPU
INTERFACE
BASS BOOST
CONTROL
CIRCUIT
INPUT
SELECT
SOUND
CONTROL
CIRCUIT
GRAPHIC
EQUALIZER
CONTROL
CIRCUIT
67
R-CH
FEED BACK SWITCH
Q112
R-CH
R-CH
COMMAND
F OUT2
BUF
OUT2
VOL
IN2
+
R-CH
R-CH
D141
R-CH
+
+
+
68
2
58
RV750
MIC AMP
IC750 (1/2)
MIC AMP
IC750 (2/2)
MUTING
Q113
LINE AMP
IC191
OVER LOAD
DETECT
Q801
OVER LOAD
DETECT SWITCH
Q432, 437
DC DETECT
SWITCH
Q433, 434
RESET
SWITCH
Q501
RELAY
DRIVE
Q431
PROTECTOR
Q435, 436
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC101
IN B2
IN C2
66
60 5
69
IN A2
IN D2
KEY IN2
KEY IN1
75
33 32 34
KEY OUT
DATA
CLOCK
LATCH
52 51 3
M62442-DATA
M62442-CLK
M62442-LATCH
10
X2
X501
5MHz
X502
32.768kHz
11
X1
13
XT2
14
XT1
BB B2,
BB A2
MIC IN
VOL OUT2
REC
A2
REC-L
E
(Page 25)
D
(Page 25)
(Page 25)
(Page 26)
(Page 26)
SPEANA
DATA, CLK
POWER
CD-POWER
REC
B2
• SIGNAL PATH
: CD PLAY
: TAPE PLAY
: RECORD
: TUNER (FM/AM)
: MIC INPUT
R-CH
+5V
+
R-CH
R-CH
-1
-2
+
+
–
–
+
MUTING
Q191
R-CH
R-CH
57
42
MUTING CONTROL
SWITCH
Q575
MUTING CONTROL
SWITCH
Q571, 572
41
100
2
16
15
6
36
40
J101 (2/2)
MD/VIDEO
(AUDIO) OUT
J191
SUPER WOOFER
J421
PHONES
R
L
TM401
SPEAKER
IMPEDANCE
USE 6 – 16
Ω
R
L
J101 (1/2)
J751
R
MIX MIC
MD/VIDEO
(AUDIO) IN
L
ST-L
FM ANT
FM ANT
AM ANT
AM ANT
ST-R
ST-MUTE
STEREO
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
ANTENNA
FM 75
Ω
AM
38, 39
D843
RY401
DBFB-H/L
CD-POWER
POWER
IIC-CLK
IIC-DATA
CLK
DATA
68
ST-CE
65
ST-CLK
66
ST-DIN
67
ST-DOUT
69
TUNED
70
STEREO
72
ST-MUTE
STK-MUTE
LINE-MUTE
F-RELAY
AC-CUT
RESET
1
RESET
SYSTEM CONTROLLER
IC501 (3/3)
56
55
F
G
H
46
5
+
Summary of Contents for HCD-GRX5
Page 7: ... 7 ...
