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HCD-GNX660
Ver. 1.2
7-5. BLOCK DIAGRAM
– DISPLAY/ POWER SECTION –
P1 – 20
1G,
FL1300
12G-16G
BUFFER
FLUORESCENT
Q1311-1316
INDICATOR TUBE
2G-11G
T1300
F1
F2
DC/DC
CONVERTER
LED +9V
RECT
D1300-1303
OSC
Q1300
LED+9V
Q1304
Q1308
Q1310
Q1303
LED DRIVE
D1307-1309
Q1305-1307
D1310-1312
ROTARY
MASTER
ENCODER
VOLUME
S1305
EVER +4V
LED DRIVE
Q1309
D1313
SUB WOOFER
ON/OFF
D1304
IC1301
REMOTE CONTROL
RECEIVER
X402
5MHz
X401
32.768kHz
HCD-GNX660
DR17-35
DR0-4,15
DR5-14
IC1300
FL DRIVER
40
VFDP
51
52
48
49
60
59
58
57
100
MAIN ON/OFF
S1302,1306,1307,
1309-1328,1331
AD-KEY-1
|
AD-KEY-3
53 LED-CTRL
LED-ILLUMINATION-1
|
LED-ILLUMINATION-3
35
CD-POWER
54 VOL-A
55 VOL-B
IC401 (5/5)
SYSTEM CONTROL
61
SW-LED
S1301
POWER-KEY
74
56 STBY-LED
DISPLAY-KEY
73
S1300
DISPLAY
4 SIRCS
15 X-IN
RESET
RESET
12
SWITCH
13 X-OUT
Q213
10 XC-IN
AC-CUT
20
11 XC-OUT
M+9V
LED+9V
D563
D562 D561
IC551
M+7V
+9V REG
IC1102
IC552
AUDIO A+9V
2
+12V REG
+9V REG
BIAS A+9V
SMASTER G+12V
ST A+9V
D594
IC01
A+5V
+5V REG
IC810
IC02
+1.8V
+1.8V REG
+3.3V REG
AMP
F
SECTION
(Page 29)
D506
D+3.3V(1)
FL+4V
D+4V
IC562
+3.3V REG
+3.3V
Q560
+4V REG
EVER +4V
+B SWITCH
Q561
D394
D+3.3V(2)
D395
D393
EVER +3.3V
D396
IC402
1
2
LEVEL
DETECT
30
30
T1100
MAIN POWER
D1103
TRANSFORMER
+44V
7
C
D1114
1
D1119
4
VCC
D1112
3 FB
IC1101
VOLTAGE
DETECT
SWITCHING
CONVERTER
PHOTO
COUPLER
PC1100
Q1102
MAIN ON/OFF
PHOTO
SWITCH
COUPLER
Q1100, 1101
PC1101
PHOTO
COUPLER
PC1102
T1200
SUB POWER
D1212
TRANSFORMER
+8V REG
Q1205, 1206
D1213
+4V REG
Q1203, 1204
IC1201
VOLTAGE
DETECT
PHOTO
COUPLER
PC1200
D1100
AC IN
VIN
6
D1118
IC1100
POWER
C1112
D1101
D1102
C1113
5
D
IC1200
D1211
PRIMARY
4
VCC
SWITCHING,
D1207
MAIN
2
F/B
CONVERTER
1 Z/C
D1204
Q1200
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