31
31
HCD-GNZ55D
HCD-GNZ55D
6-5. BLOCK DIAGRAM — FUNCTION/POWER SECTION —
SYSTEM CONTROL
IC401 (4/4)
D1304
(STANDBY)
D1309,1312
FUNCTION
KEY
S1309–1316
S1317,1319,1324–1327
S1306,1318,1320–1323,1328,1331
LED
ILLUMINATION
CONTROL
Q1305,1307
X401
32.768kHz
X402
5MHz
FL DRIVE
IC1300
FUNCTION
KEY
FUNCTION
KEY
FUNCTION
KEY
S1300
S1301
S1305
FUNCTION
KEY
ROTARY
ENCODER
VP
F1
F2
POWER
CONTROL
Q132,133
RESET
SWITCH
Q213
DVD
SW+9V
ST A+9V
M+9V
UNREG+12V
UNREG+12V
UNREG+8V
EVER+4V
MAIN ON/OFF
EQ
Q1300
AUDIO A+9V
D+3.3V
D+4V
DVD+3.3V
RF+1.8V
RF+3.3V
UNREG+8V
A+5V
A+8.4V
A+5V
EVER+4V
LED+9V
D215
AC IN
D1300
T1300
DC/DC
CONVERTER
TRANSFORMER
D1302
D1301
D594
A+5V REG
Q131
D1303
BIAS +9V
+3.3V
EVER+4V
FL+4V
FL+3.3V
D+3.3V
D393
D396
D395
D1314
D394
D506
FL1300
VACUUM
FLUORESCENT
DISPLAYS
D+3.3V
+1.8V
+3.3V
DVD SW+5V
MTK POWER
CONTROL
Q1970,1971
FL DRIVE
CONTROL
Q1311–1316
POWER
UNIT
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299