Block Diagram - Display/Power Section - Sony HCD-GTX88 Service Manual

HCD-GTX88
6-6. BLOCK DIAGRAM — DISPLAY/POWER SECTION —
X900
4MHz
P1 – 36
ND900 G1,22,23 BUFFER
VACUUM Q917, 918, 919
FLUORESCENT
DISPLAY
G2-21
VF1
VF2
D900
–VG
(–32V)
SPECTRUM
16
ANALYZER
IC902
15
IN2
2 14
13
MAIN
X
G SPEANA 1 IN1
SECTION
17
(Page 33)
S936
ROTARY
OPERATION
ENCODER
DIAL
S935
ROTARY
MASTER
ENCODER
VOLUME
AMP/SUBWOOFER
SECTION
(Page 35)
HCD-GTX88
83 XI
KEY2
S901 – 914,
|
916 –933
82 XO KEY0
Q900
LED SELECTOR 80
G1,22,23
LED DRIVE
DISPLAY CONTROL,
Q906–911, 913–916
KEY CONTROL
920,921
IC900
48 VKK
NO402
IIC-DATA
68 BF4
IIC-CLK
69
BF3
70 BF2
71 BF1
67 ALL BAND
SYSTEM CONTROL
72 OPERATION DIAL
I2C DATA 60 30 IIC-DATA
I2C CLK 61 29 IIC-CLK
RESET 77 37 GC-RESET
73 VOLUME
X
J FUN CONTROL
D904
(R)
LED DRIVE
33 STBY-LED/FAN CONTROL
Q904,905
D930
(G)
S934
74 POWER-KEY
73 DISPLAY-KEY
S900
DISPLAY
REMOTE CONTROL
SIGNAL RECEIVER
4 SIRCS
IC901
15 X-IN
X402
5MHz
13 X-OUT
10 XC-IN
X401
32.768kHz
11 XC-OUT
LED+9V
Q903
Q902
Q901
D905, 907, 909, 912, 914,
916, 922, 924, 926.955
AMP/SUBWOOFER
(Page 35)
D906, 908, 910, 913, 917,
921, 929, 923, 925, 927
AVDD +3.3V
DVDD+3.3V
DVDD +3.3V REG
IC562
D593
D +3.3V
(FOR CHECK)
USB POWER
D592
CONTROL D+4V REG
DVSS +3.3V
SWITCH IC569
Q604–606
IC401 (6/6)
VM +7V
M +9V
LED +9V
OVER VOLTAGE DET 63
A +9V
ST +9V
AUDIO +9V
CD POWER 32 BIAS +9V
USB+5V REG
USB +5V
IC565
USB POWER
CONTROL
USB-POWER 40
SWITCH
Q590,603
STBY-RELAY 50
CN402
(3/3)
RESET (FOR CHECK)
LEVEL
RESET
DETECT
RESET 12 SWITCH
IC402
Q501
AC-CUT 20
36 36
D671
K X
VL(AC)
SECTION
UNREG
CD POWER
CONTROL
SWITCH
Q560,561
D590,594
TRANSFORMER
F1261
VL
+VL
RECT
VL
D658
–VL
F1271 GND
F1241
VH
+VH
RECT
VH
D656
–VH
E2,E51
F1251
MODEL OVER VOLTAGE
DETECT SWITCH
– 33V R1292
VP
Q550 – VG
REGULATOR
(-32V)
Q1264 D1292
D561,
RECT
562
VF
ND900
+9V REG VF1
VACUUM
IC561
FRUORESCENT
VF
DISPLAY
VF2
F1281
AC3
+9V REG RECT
AC3
IC560 D540
USB+9V REG
IC570
RY1200
POWER ON/OFF
RELAY DRIVE
Q1200
D402
D+3.3V
POWER
EVER +4V
SWITCHING
D501,504
T1200
POWER
E2,E51 MODEL
S1200
S1200 VOLTAGE
SELECTOR
230 – 240V
|
220V
|
120V
AUS,AR MODEL
AC IN
• Abbreviation
AR : Argentina model
AUS : Australian model
E2 : 120V AC area in E model
E51 : Chilean and Peruvian model