Service manual

31 31
HCD-GNZ55D
HCD-GNZ55D
6-5. BLOCK DIAGRAM — FUNCTION/POWER SECTION —
57
58FL DRIVER CLK
FL DRIVER DATA
FL DRIVER CS
FL DRIVER RESET
DR5
I
DR11
DR12
I
DR14
DR16
I
DR35
60
59
SI
SCK
CSB
RSTB
49
48
51
52
SYSTEM CONTROL
IC401 (4/4)
D1304
(STANDBY)
D1309,1312
SIRCS
4
FUNCTION
KEY
S1309–1316
REMOTE CONTROL
SIGNAL
RECEIVER
IC1301
97
S1317,1319,1324–1327
95
S1306,1318,1320–1323,1328,1331
94
56
12
STBY LED
RESET
20
AC CUT
AD KEY3
AD KEY2
AD KEY1
XC IN
XC OUT
X IN
X OUT
50 LED ILLUMINATION 1
LED ILLUMINATION 3
52
LED
ILLUMINATION
CONTROL
Q1305,1307
X401
32.768kHz
X402
5MHz
11
10
13
MTK POWER
35
MAIN ON/OFF
100
15
FL DRIVE
IC1300
FUNCTION
KEY
FUNCTION
KEY
FUNCTION
KEY
S1300
73
S1301
74
S1305
54
VOL A
POWER KEY
DISPLAY KEY
FUNCTION
KEY
ROTARY
ENCODER
55
VOL B
VP
F1
F2
DVD SW+9V
REG
IC1802
DVD SW+3.3V
REG
IC1803
DVD SW+5V
REG
IC1804
POWER
CONTROL
Q132,133
RESET
SWITCH
Q213
RESET
IC402
DVD
SW+9V
AUDIO+9V
REG
IC552
M+9V/LED+9V
REG
IC551
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
D216
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
A+5V REG
IC1
D+4V
REG
IC562
7
I
13
•
15
I
17
•
19
I
38
DR0
I
DR4
•
DR15
2
I
6
•
18
FL1300
VACUUM
FLUORESCENT
DISPLAYS
D+3.3V
+1.8V
RF+1.8V REG
IC106
+3.3V
+3.3V REG
IC105
DVD SW+5V
RF+3.3V REG
IC107
MTK POWER
CONTROL
Q1970,1971
FL DRIVE
CONTROL
Q1311–1316
D+3.3V REG
IC2
+1.8V REG
IC810
POWER
UNIT