Block Diagram -Display Section - Sony CDX-M9900 Service Manual

CDX-M9900/M9905X
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
D701,702 LED
DRIVE
TRAY
Q701,702
ILLUMINATION
D
RESET
MAIN
SECTION
(Page 21)
13
4
X503
4MHz
3
SYSTEM CONTROL
IC501 (3/3)
BZ801
BEEP DRIVE
BUZZER
3 BEEP
Q801
BATT
7 LED_ON
87 RC IN1
CNJ101
41 RC IN0
(REMOTE IN)
KEY
ACKNOWLEGE
AD ON
61
SWITCH
Q501
45 KEY ACK
RF+5V SWITCH BACKUP
RF+5V
Q502,503 +5V
75 XRST
RESET
76 RAMBU
+3.3V
IC502
TH501
37 TEMP-TR
62
SIRCS
100 FSW_SFT
1 PG
99
DDC ON
10
BOOST
SIRCS
RF+5V
CONTROL
IC503
1
VDD
P13/
INT
4
RESET
XOUT
D3 9
XIN
DC-DC CONVERTER
IC101
15 INA2
BOOST
Q104 OUT1D
5 5V-SB
OUT1U
9 STBY1
10 STBY2
12 PG
OUT2D
SHIFT
OUT2U
5 CT
Q101
DIGITAL BOARD
BUS AUDIO IN
/AUX IN
VIDEO
DP_PW 96
MASTER RXD
SH3SO/FLSSO 26
IC801
6 2
SH3SI/FLSSI 25 MASTER TXD
HSYNC
FLASH_P_ON 2 MASTER PRO
VSYNC
RGB DECODER,
DCLK
RGB CONTROL
Q802
DP_RST 98 DP RST
ATT ON
C
SA CLK
MAIN CONTRAST
SA OUT
SECTION
(Page 21)
DIM
SYSTEM ON
MST_PW 97
POWER ON
DP_18VO 95
ENC+1
RE+1 94
ENC-1
RE-1 93
ENCSW1
ENCSW1 11
ENC+2
RE+2 92
ENC-2
RE-2 91
ENCSW2
12
ENCSW2
KEYINO
KEYIN0 36
81
X1
X501 +9V
POWER
3.68MHz
DISP+9V
X0 80 INV+6V
CONTROL
X0A 78
X502
X1A 77 32.768MHz
RF+5V
27
+6V
+6V REG
Q102
29
BATT
19
+9V REG +9V
Q103
17
SIRCS
22 22
RGB DRIVE
IC207
59-54
52-47
R.G.B
44-39
CLS
61
4-8
SPS 62
12-16
R.G.B
19-23
UBL 65
67
MODE
SPR
33
71 H3
LBR 34
SPL 35
72
V3
36
LP
1 DCLK CLK 37
VOUT
IC210
30 31
Q205 OUT1 14
INV
9 OUT2 13
IN
12
OUT3
CONTRAST BRIGHT
CONTROL CONTROL
1 4 1 4
IC205 IC208
FLICKER
+6.5V REG
+6.5V
Q204
RV402
BRIGHT
CONTROL
Q209
+5V REG
LCD+5V
IC201
+3.3V REG
LCD+3.3V
IC204
D201-206,208,D220-226
5
3
DC-AC
8
CONVERTER
1
IC203
4
T200
SWITCHING
CONVERTER
REGULATOR
OSC
Q201,206,207
Q202,203
DIMMER DIMMER
5 1 1 4
CONTROL CONTROL
IC200,Q200 IC202
ENC+1
ENC-1
ROTARY
ENC SW1
ENCODER
ENC+2
ENC100,101
ENC-2
ENC SW2
IR
D218
RECEIVER
7 16
Hi R
BUFFER
IC206
S200-205
KEY
MATRIX
S209
(RESET)
CLS
SPS
U/L
MOD
SPR
LBR
SPL
LP
DCLK
V0
V3
V10
LCD201
COM
VSHA
VSHD
VDD
VSS
BACK LIGHT