Function/Power Section - Sony HCD-GNZ77D Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-5. BLOCK DIAGRAM — FUNCTION/POWER SECTION —
SYSTEM CONTROL
IC401 (4/4)
S1309–1316
FUNCTION
97
AD KEY1
KEY
S1317,1319,1324–1327
FUNCTION
95
AD KEY2
KEY
S1306,1318,1320–1323,1328,1331
FUNCTION
94 AD KEY3
KEY
FL DRIVER RESET
S1300
FUNCTION
73 DISPLAY KEY
KEY
S1301
FUNCTION
74 POWER KEY
KEY
S1305
54 VOL A
ROTARY
ENCODER 55 VOL B
56 STBY LED
D1304
(STANDBY)
LED POWER LED ON/OFF
CONTROL CONTROL 53 LED CTRL
T E Q1303,1304 Q1308,1310
L 1 3 9 4 2 2 9 6 5 1 3
LED
50 LED ILLUMINATION 1
ILLUMINATION
51 LED ILLUMINATION 2
CONTROL
52 LED ILLUMINATION 3
D1307–1312 Q1305–1307
D215 RESET
RESET
SWITCH
EVER+4V 12 RESET
IC402
Q213
D216
20 AC CUT
w w w
HCD-GNZ77D/GNZ88D
D1300
VP
D1302
D1303
FL DRIVE
IC1300
D1301
F1
DR5
7
I
I
F2
DR11 13
•
DR12
15
I I
DR14 17
FL DRIVER CLK 58 48 SCK
•
FL DRIVER DATA 57 49 SI 19
DR16
I I
FL DRIVER CS 60 51 CSB
DR35 38 FLUORESCENT
59 52 RSTB
DR0 2
I I FL DRIVE
DR4 6
CONTROL
• •
Q1311–1316
DR15 18
REMOTE CONTROL
POWER
SIGNAL
CONTROL
SIRCS 4
RECEIVER
Q132,133
IC1301
A+5V REG
A+5V
XC IN 10
IC1
X401
32.768kHz
11
XC OUT
15
X IN
X402
5MHz
13
X OUT
D+3.3V REG
D+3.3V
IC2
+1.8V REG
+1.8V
IC810
MTK POWER 35
MAIN ON/OFF 100
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T1300
DC/DC
CONVERTER
TRANSFORMER
EQ
Q1300
UNREG+12V
FL1300
VACUUM
DISPLAYS
M+9V/LED+9V
+12V REG
M+9V REG
IC1102
IC551
AUDIO+9V
REG
ST A+9V
IC552
AUDIO A+9V
BIAS +9V
DVD SW+9V
DVD
REG
A+5V REG SW+9V
A+5V IC1802
Q131
A+8.4V DVD SW+3.3V
D594 REG
DVD+3.3V
IC1803
RF+1.8V REG
RF+1.8V
IC106
DVD SW+5V
Q Q
3 REG 7 6
DVD SW+5V
IC1804
RF+3.3V REG
RF+3.3V
IC107
+3.3V REG
+3.3V
IC105
D+4V
D+4V REG
D506
IC562
D+3.3V
D393
+3.3V
+8V SWITCH
UNREG+8V
D396
Q1205,1206
D+3.3V
D394
D395
EVER+4V
FL+4V
FL+3.3V
D1314
MTK POWER
CONTROL
Q1970,1971
GNZ88D
GNZ77D: POWER UNIT
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31 31
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2 4
8 9 9
GNZ88D:EXCEPT TH
SW1100
VOLTAGE
SELECTER
220
120V l
240V
T1100
D1102 D1101
MAIN
TRANSFORMER
RECT
+31V
D1100
RECT
D1114
D1119 D1120
D1112 D1110
FEED BACK
POWER DETECT
PC1100
IC1101 STANDBY
CONTROL
STANDBY
POWER CONTROL
Q1102
CONTROL
Q1100,1101
PC1101
3 1 5 1 5 0 8 9
STANDBY
CONTROL
PC1102
T1200
SUB
TRANSFORMER
RECT
D1212
D1211
+4V SWITCH RECT
Q1203,1204 D1213
D1208 D1207
STANDBY
CONTROL
Q1200
FEED BACK
POWER DETECT
PC1200
IC1201
m
c o
.
HCD-GNZ77D/GNZ88D
2
8 9 9
GNZ88D
F1110
FILTER
AC IN
LF1101
POWER CONTROL
IC1100
6 VIN
7 C
4 VCC
3 FB
1 Z/C
• Abbreviation
E2 : 120 V AC area in E model
E3 : 240 V AC area in E model
E12 : 220–240 V AC area in E model
E13 : 220–230 V AC area in E model
2 4 9 8 2 9 9
E15 : Iran model
EA : Saudi arabia model
PH : Philippine model
SP : Singapore model
TH : Thai model
POWER CONTROL
IC1200
5 D
D1201
4 VCC
2 FB
1 Z/C