HCD-GNX660
30
30
HCD-GNX660
7-5. BLOCK DIAGRAM – DISPLAY/ POWER SECTION –
T1100
MAIN POWER
TRANSFORMER
D1103
D1114
D1119
D1112
D1100
SMASTER G+12V
M+7V
M+9V
LED+9V
AUDIO A+9V
BIAS A+9V
ST A+9V
AC IN
PHOTO
COUPLER
+8V REG
Q1205, 1206
LED DRIVE
Q1309
SUB WOOFER
ON/OFF
+3.3V REG
Q560
+B SWITCH
Q561
+4V REG
Q1203, 1204
Q1102
D1101
C1112
PC1100
PHOTO
COUPLER
PC1101
PHOTO
COUPLER
PC1102
T1200
SUB POWER
TRANSFORMER
D1212
D1213
D1211
D1207
D1204
D1118
+44V
PHOTO
COUPLER
MAIN ON/OFF
SWITCH
Q1100, 1101
Q1200
PC1200
A+5V
+1.8V
EVER +4V
FL+4V
D+4V
D+3.3V(1)
D506
D+3.3V(2)
D394
D395
D594
D562 D561
D563
+3.3V
EVER +3.3V
D393
D396
94,95,97
LED DRIVE
Q1305-1307
D1310-1312
D1307-1309
LED+9V
Q1304
Q1308
Q1303
Q1310
D1304
S1302,1306,1307,
1309-1328,1331
S1301
S1300
DISPLAY
D1313
EVER +4V
X402
5MHz
X401
32.768kHz
RESET
SWITCH
Q213
ROTARY
ENCODER
S1305
MASTER
VOLUME
T1300
DC/DC
CONVERTER
RECT
D1300-1303
OSC
Q1300
LED +9V
FL1300
FLUORESCENT
INDICATOR TUBE
1G,
12G-16G
2G-11G
P1 – 20
F1
F2
BUFFER
Q1311-1316
57
58
59
60
D1102
C1113
-13