Block Diagram - Display/Power Section - Sony hcd-gn1000d Service Manual

HCD-GN1000D
Q Q
7-6. BLOCK DIAGRAM – DISPLAY/POWER SECTION –
3 7 6 3 1 5 1 5 0
X901
4MHz
P1 – 36
FL901 G14-16 BUFFER
FLUORESCENT Q901,902,914
INDICATOR TUBE
G1-13,G17-24
VF1
VF2
D905
-VG
(-32V)
IC904 16
BPF, RECT
15
2 IN2
14
13
SPEANA
MAIN
G X 1
IN1
SECTION
17
(Page 30)
ROTARY
OPERATION
ENCODER
DIAL
T E
L S1161 1 3 9 4 2 2 9 6 5 1 3
ROTARY
MASTER
ENCODER
VOLUME
S970
w w w
HCD-GN1000D
KEY2
83 XIN S901 – 906, 914 - 925,
|
1166 - 1170
KEY0
82 XOUT
Q906
LED SELECTOR 80
IC902
DISPLAY CONTROL,
KEY CONTROL
G14-16
LED DRIVE
Q908-913,915,
918,919,921
48 VKK
68 BF4
69
BF3
70 BF2
NO.402
BF1
71
67 ALL BAND
72 OPERATION DIAL
IC401 (6/6)
SYSTEM CONTROL
74 VOLUME
I2C DATA 60 30 IIC-DATA
I2C CLK 61 29 IIC-CLK
RESET 77 40 GC-RESET
D927
(R)
LED DRIVE
41 STBY-LED
Q903,917
D928
(G)
S927
74 POWER-KEY
73 DISPLAY-KEY
S928
DISPLAY
IC903
4 SIRCS
REMOTE CONTROL
RECEIVER
15 X-IN
X402
5MHz
13 X-OUT
x a o
y
10 XC-IN
X401
. i
32.768kHz
11 XC-OUT
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8
LED+9V
Q905
Q907
Q904
D908, 910, 911, 913, 914,
917, 919, 921, 923, 925,
1020
D909, 915, 916, 920, 922,
924, 926, 929, 930,
1017, 1145, 1153
IIC-DATA
(FOR CHECK)
IIC-CLK
UNREG
Q Q
3 7 6 3
R480
SW +9V
M +9V
LED +9V
OVER VOLTAGE DET 68
+5V REG.
AU +5V
Q103
A +9V
ST +9V
AUDIO +9V
BIAS +9V
MB +9V
REG. SWITCH
Q104
REG. SWITCH
MTK-POWER 78
Q518, 503
IC559
+SW3.3V
+3.3V REG
V +5V
AU+5V
IC558
+SW5V
+5V REG
(ZIVA)
STBY-RELAY 7
B+ SWITCH
CN402
D3.3V
Q504, 505
(3/3)
RESET (FOR CHECK)
EVER +4V
IC501
RESET
RESET 12 SWITCH 1 2
LEVEL
u 1 6 3
Q501
DETECT
AC-CUT 20
.
32 32
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2 4
9 9
D660, 661
VL(AC)
AMP
X
K
SECTION T1200
(Page 31) POWER
TRANSFORMER
F1261
VL
+VL
RECT
VL
D658
–VL
F1271 GND
F1241
VH
+VH
RECT
VH
D656
–VH
F1251
VOLTAGE
CHECK
R1292
– 33V
VP
Q550 – VG
REGULATOR
(-32V)
Q1264
D1292
RECT
1 5 1 5 0 8 9 2
VF
IC561
VF1
TO FLUORESCENT
+9V REG
INDICATOR TUBE
VF
FL901
VF2
F1281
AC3
IC560
RECT
AC3
D560
+9V REG
IC507
+9V REG
F1291
AC4
+B SWITCH RECT
AC4
Q513,520 D561
D660, 661
AC CUT
MAIN
DETECT
J X
SECTION
(Page 30)
RY1200
POWER ON/OFF
RELAY DRIVE
Q1200
D505
M+9V
POWER
SWITCHING
m
c o
D504
2
8 9 9
4 9 8 2 9 9
EXCEPT TH
S1200
S1200 VOLTAGE
SELECTOR
230 – 240V
|
220V
|
120V
TH
AC IN