Sony HCD-GNX780 - Block Diagram - Display;Power Section

HCD-GNX780/GNX880
3131
HCD-GNX780/GNX880
7-5. BLOCK DIAGRAM – DISPLAY/ POWER SECTION –
X
MAIN
SECTION
(Page 29)
F
X
AMP
SECTION
(Page 30)
I
X
AMP
SECTION
(Page 30)
J
CDG
SECTION
(Page 27)
B
IC561
+9V
REGULATOR
IC560
+9V
REGULATOR
IC562
+3.3V
REGULATOR
IC402
LEVEL
DETECT
FL901
FLUORESCENT
INDICATOR TUBE
9,10, 12 – 22,
24 – 41, 43 – 47
8 – 1, 100 – 96,
92-85
P1 – 36
G1 – 13
G17-24
64 – 66
93–95
BPF4
1
IC904
BPF, RECT
67
68
16
2
15
69
71
48
80
ALL BAND
BPF3
BPF1
IN2
IN1
VKK
SELECTOR
G14-16
G14-16
G1-13,G17-24
13
17
74 VOLUME
ROTARY
ENCODER
S970
MASTER
VOLUME
SPEANA
FAN CTL
P1 – 36
VF1
VF2
D905
-VG
(-32V)
X901
4MHz
83 XIN
82 XOUT
52– 59,
72,78,79
LED DRIVE
Q908-913,915,
918,919,921
D909, 915, 916, 920, 922,
924, 926, 929, 930,
1017, 1145, 1153
D908, 910, 911, 913, 914,
917, 919, 921, 923, 925,
1020
LED+9V
Q905
Q907
Q904
Q906
D927
(R)
D928
(G)
KEY2
|
KEY0
S901 – 906,
1166 - 1170
60I2C DATA
61I2C CLK
77RESET
30 IIC-DATA
29 IIC-CLK
IIC-DATA
IIC-CLK
71 GC-RESET
74 POWER-KEY
73 DISPLAY-KEY
S925
S900
DISPLAY
72 STBY-LED/FAN CTL
4 SIRCS
RESET
X402
16MHz
15 X-IN
13 X-OUT
X401
32.768kHz
10 XC-IN
11 XC-OUT
32CD-POWER
63OVER VOLTAGE
IC401 (5/5)
SYSTEM CONTROL
69STBY-RY
12RESET
20AC-CUT
B+ SWITCH
Q560, 561
B+ SWITCH
Q504, 505
RECT
D560
M +9V
MT +7V
A +9V
TC +9V
D561 – 563
D660, 661
+3.3V
LED+9V
BIAS+3.3V
D505
POWER
SWITCHING
LED DRIVE
Q903,917
RECT
D658
RECT
D656
+VL
VL(AC)
F1261
VL
VL
VH
VH
VP
VF
VF
AC3
AC4
NC
NC
AC4
AC3
GND
F1271
F1241
F1251
F1281
R1292
–VL
+VH
–VH
– 33V
REGULATOR
Q1264
POWER ON/OFF
RELAY DRIVE
Q1200
– VG
(-32V)
D1292
RECT
VF1
VF2
RY1200
JW1204
JW1234
AC IN
T1200
POWER
TRANSFORMER
RESET
SWITCH
Q501
IC903
REMOTE CONTROL
RECEIVER
TO FLUORESCENT
INDICATOR TUBE
FL901
EVER +4V
M+9V
D3.3V
IC902
DISPLAY CONTROL,
KEY CONTROL
BUFFER
Q901,902,914
70
BPF2
14
72 OPERATION DIAL
ROTARY
ENCODER
S1161
OPERATION
DIAL
1 2