Block Diagram - Display Section - Sony HCD-GNX60 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)
ROTARY
OPERATION
T E ENCODER
L 1 3 9 4 2 2 9 6 5 1 3
DIAL
S1161
ROTARY
VOLUME ENCODER
S970
ROTARY
. - TUNING + > ENCODER
S916
FAN CTL
AMP X I
SECTION
(Page 30)
w w w
HCD-GNX60/GNX70/GX9900
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
LED VIDEO 55
LED CD/DVD 52
48 VKK
LED TUNER 53
LED TAPE 54
68 BPF4
LED STOP,PAUSE 56
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
X402
x a o 16MHz
y
13 X-OUT
10 XC-IN
. i
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
IIC-DATA
CD
IIC-CLK
B SECTION
(Page 27)
RESET
Q Q
SYSTEM CONTROL
3 7 6 3
IC401 (5/5)
+3.3V
REGULATOR
+3.3V
IC562
CD-POWER 32
OVER VOLTAGE 63
STBY-RY 69
B+ SWITCH
D3.3V
LEVEL
RESET
u 1 6 3
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
– 35V R1292
VP
– VG
REGULATOR
(-32V)
Q1264
D1292
1 5 1 5 0 8 RECT 9 2
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
SWITCHING
EVER +4V
m
REGULATOR
c o
HCD-GNX60/GNX70/GX9900
8 2 9 9
4 9 8 2 9 9
E2, E3, E51
S1200
S1200 VOLTAGE
SELECTOR
230 – 240V
|
220V
|
120V
AR US, AUS
CN1202
AC IN