Panasonic CY-VHD9401U Service Manual page 49

20 BLOCK DIAGRAM
20.1. Main/ Opt-Out/ IR /Connector Block
E-4C928ZBb
CN6 CN3 CN803
VTR-L
L 4 4 3
VTR-R
VTR2 6 6 5
R
VTR-V
V 1 1
CN4
ACC
ACC 2 7 7
SW ACC
SW ACC
1 8 8
CN760
Q762
D763
DOOR(-) 3 SWITCH
D764
DOOR(+) 2
LAMP+B
BATT 4
CN101
DVD-COMP 14
AUDIO L+ 17 3
AUDIO L- 18 2
AUDIO R+ 5
21
AUDIO R- 22 6
To
DVD
Deck
Ass'y
D-RESET
/RESET
25
DMUTE
DMUTE 26
SO-DATA
DVD-TX 27
SI-DATA
DVD-RX 28
IEC958 30 OPT OUT
CN102
10V 1
DVD10V
10V 2
IC120
1.8V 5
To
DVD 1.8V 6 +1.8V REG
Deck
Ass'y
3.3V 7
DVD3.3V
3.3V 8
5V 11
DVD5V
5V 12
IC340 IC410
AMP IC401 AV SW
LV4
LOUT1
1 22
39
2
SW
LV2
7 LOUT2
9
30
LV3
16
RV4
24 ROUT1
41
4
SW
RV2
ROUT2
11
32
RV3
18
V4
23 VOUT2
33
1
DOOR
V2 SW
VOUT1
8
V3 40
15
LOGIC 45
26 27
AV MUTE
SCL
SDA
IC121
AMP
IC330 AMP
L L
+ AUDIO L 1 3
1
-
R R
7 5
AUDIO R
+
7
-
IC601
51 53
Q131
DVD RESET
BUFFER
16
Q130
DVD-MUTE
BUFFER 13
IC130
DVD-DO
BUFFER 97
IC140
DVD-DI
BUFFER 98
IC702
+B/ACC DET RESET
BATT BATT SENS
1 8 88
ACC SENS
3 89
ACC RESET
2 5 31
IC601
SW1
CPU
RESET SW
35
XL601
36
SW652
DVD3.3V
EJECT
27
SW2
50
CLOSE
SW650
74
POWER
SW651
PLAY
E-4C280a
VR400
IC371 AGC AMP
IC370 AMP 11
RF-L L
5 7 16
PRE
AGC VCO BUFF
EMP
RF-R R
3 1 5
6
SYS MUTE
MUTE
VR450
IR CNT
Q270,370
IC261 ANALOG SWITCH
A
R IC211 AMP
1 SW 2
B L
5
4 SW 3
C
L
R
8 9
SW
3
D
11 SW 10
SYS MUTE
13 5 6 12
Q251
Q362
BUFFER
V
REF
Q351
AUDIO 9V
BUFFER
Q704,D707
VDD 5V BATT
+5V
REG
SW ACC
Q680–682
MUTE
SYS MUTE
DRIVE
SYS MUTE
66
92 AV MUTE
IC701,Q703
SYS 5V +5V
10 REMO DATA
REG
17 DVD CNT
19 IR CNT IC10
46 SYS PWR
IR 5V
+5V REG
47 MAIN PWR
48 MONI CNT IC801
Q801-804,807
49 VIDEO CNT Q805,806
51 VO DATA INV 9V
POWER DC-DC
53 VO CLK CONTROL CONVERTER
62 SD 3.3
SW+B
63 SD 5.5 MONI CNT
65 SD V MUTE
AUDIO 9V
IR 9V
94 SDA
96 SCL
OSD CS
3
OSD COM
4
OSD CLK
5
OSD RESET
8
IC850 DC-DC CONVERTER
LIGHT SENS
75
Q640
BEEP 1 PWM
BUZZER
9 BZ601
DRIVE
OSC
Q656
D651
EJECT LED
LED
25
14 PWM
DRIVE
D751-756
LED CONT
LED
26
DRIVE
Q750,751,754
D750
49
CN804 CN2
SYS 5V
9 5
Q400,401 IR 9V
2 14
Q430,431
L IR-L
9 4 12
IR AMP
R
IR-R
8
1 10
LAMP+B
Q760,761 10 6
DOOR
LP761,762 LAMP LAMP SW
IR AMP
8 8
CONTROL LAMP DRIVE
REM
Q10,11
7 7
CN805
L
7 3 L
5 R VTR OUT
R
1
1 V
IC150 BUFFER
MUTE
CN806 CN1
OPT OUT 1
Q250 4 1 2
DVD CNT 2
Q450
CN701
VIDEO
AMP
1
BATT
16
ACC
Q770
2
VIDEO CNT
15
VIDEO OUT BUFFER
VTR1-R
3
14
IC631 Q631 REMO
4
1 7 OUT
13
BUFFER
VTR1-L
5
2 6
12
REMO DATA
6
11
Q470
7
VIDEO OUT
VIDEO
10
AMP
VTR1-V
8
9
IC720,Q720,721
CN801
VOLT
CHECK
Q701,702 INV9V
9
BATT 10 INV9V
POWER
CONTROL
11 INV9V
D720
12 INV9V
SYS PWR
13 INV9V
INV9V
14 INV9V
DVD CNT
DVD10V
+10V REG Q460
CN802
VIDEO
10 VIDEO SYNC
IC730
BUFFER
MAIN PWR
POWER
SDA 13 I2C SDA
+9V REG
CONTROL
SCL 12 I2C SCL
Q707,719 Q705,706
3 OSDC CS
4 OSDC COM
Q855-857
2 OSDC SCK
BATT ON/OFF DVD5V
IC850
5 OSDC RESET
DRIVE
20 LIGHT SENS
OUT 7 SYS 5V
Q853,854 19 SYS 5V
BATT
POWER
9
CONTROL
OUT 10 DVD CNT
DVD3.3V
BATT ON/OFF
DRIVE
Q850-852
CY-VHD9401U MAIN
CY-VHD9401U
E-4C928ZBa
D301-304
D201-204
SW3
IR
RECEIVER
IC640
CN5
4
E-4C280b