Block Diagram - Display Section - Sony HCD-GNX80 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-6. BLOCK DIAGRAM – DISPLAY SECTION –
P1 – 36
FL901 G14-16 BUFFER
FLUORESCENT Q901,902,914
INDICATOR TUBE
G1-13,G17-24
VF1
VF2
D905
-VG
(-32V)
16
BPF, RECT
IC904
15
IN2
2 14
13
SPEANA
MAIN X F
1 IN1
SECTION
17
(Page 29)
T E
L 1 3 9 4 2 2 9 6 5 1 3
ROTARY
OPERATION
ENCODER
DIAL
S1161
ROTARY
VOLUME ENCODER
S970
ROTARY
. - TUNING + > ENCODER
S916
FAN CTL
AMP X I
SECTION
(Page 30)
w w w
HCD-GNX80
KEY2 S1149-1160
83 XIN
|
S910,911,918,920,924
X901
KEY0 S901 – 904, 912,915,917
4MHz
82 XOUT
Q906
SELECTOR
80
DISPLAY CONTROL
KEY CONTROL
IC902
G14-16
LED DRIVE
Q908-913,915,
916,918-920
CNS901
LED VIDEO 55
1
MD0
MD0 49
2
MD2 51 MD2
3
LED CD/DVD 52 INT0
48 VKK
4
LED TUNER 53 INT1
5
LED TAPE 54 SIO
68 BPF4
6
LED STOP,PAUSE 56 SOO
69
BPF3
70 BPF2
BPF1
71
ALL BAND
67
75 JOG
74 VOLUME
IIC DATA 60 30 IIC-DATA
IIC CLK 61 29 IIC-CLK
RESET 77 71 GC-RESET
76 AMS
BPM LOW
97 BPM DET
D902
(R)
LED DRIVE
72 STBY-LED/FAN CTL
Q900,903,917
D927
(G)
S925
74 POWER-KEY
73 DISPLAY-KEY
S900
DISPLAY
REMOTE CONTROL
RECEIVER
4 SIRCS
IC903
15 X-IN
x a o
y
X402
16MHz
13 X-OUT
. i
10 XC-IN
X401
32.768kHz
11 XC-OUT
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8
LED+9V
Q905
Q907
Q904
D906, 908 – 913
D 917,
D925,920,922,924
D907,
D914,915,916,918,
D919,921,923,926
TEST
CONNECTOR
IIC-DATA
CD
IIC-CLK
B SECTION
(Page 27)
RESET
Q Q
3 7 6 3
SYSTEM CONTROL
IC401 (5/5)
+3.3V
REGULATOR
+3.3V
IC562
CD-POWER 32
OVER VOLTAGE 63
STBY-RY 69
B+ SWITCH
D3.3V
u 1 6 3
LEVEL
RESET
DETECT
RESET 12 SWITCH 1 2
IC402 .
Q501
AC-CUT 20
31 31
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9 2 4 9
D660, 661
AMP
VL(AC)
X J
SECTION
T1200
(Page 30)
POWER
TRANSFORMER
F1261
VL
+VL
RECT
VL
D658
–VL
F1271 GND
F1241
VH
+VH RECT
VH
D656
–VH
F1251
– 33V R1292
VP
– VG
REGULATOR
1 5 1 5 0 8 9 2
(-32V)
Q1264
D1292
RECT
VF
VF1
TO FLUORESCENT
INDICATOR TUBE
VF
FL901
VF2
D561 – 563
MT +7V
+9V
LED+9V
REGULATOR
M +9V
IC561
BIAS+3.3V
F1281
AC3
+9V
A +9V
RECT
REGULATOR
TC +9V
AC3
D560
IC560
B+ SWITCH
Q560, 561
OVER VOLTAGE
DETECT
AC4
NC
Q550
AC4
NC
E2, E3, E51
RY1200
POWER ON/OFF
RELAY DRIVE
Q1200
Q504, 505
D505
M+9V
m
SWITCHING
EVER +4V
REGULATOR
c o
HCD-GNX80
8 2 9 9
4 9 8 2 9 9
E2, E3, E51
S1200
S1200 VOLTAGE
SELECTOR
230 – 240V
|
220V
|
120V
AUS
CN1202
AC IN