Pioneer AVH-P7950DVD/RC Service Manual page 31

5
61
Q662
ILMBW
ILMB2
2
53
ILMB1
16
BKLT
12
FU651
Q654
Q651
LSWVDD
LSWVDD5 11
52
Q659
SWD33
VDD33 5
REM
A
(1/2) B 3
DSPVDD
G KEY
8
VDD33 KEY G
A 5K_TO_G
(1/2) G 7
RESET
14
DSENS
6
103
HASENS
A
E
(1/2)
KEYIN
4
3G_TO_K
A
F
(1/2)
5G_TO_KEY
ROT0
10
ROT1
9
CN651
1
FTS1
L MUTE
Q234
ILL SENSE
Q238
NS
ACC SENSE
Q235
NS
NS
BACKUP SENSE
Q245
Q239
MUT
Q244
VDD5.6V
Q236
Q242
Q246
W5V
BU
Q107
Q241
5V
Q247
ILMBW
ILMBR
Q660
Q663
3.3V REGULATOR
5 1
IC234
S-814A33AMC-BCX
Q233
Q240
DALMON
VDCONT
DALMON
DDCCTL
SYSPW5
5
6
B
KEYBOARD UNIT
ILMBR
2
ILMBW
13
BKLT
12
SWVDD
LSWVDD
11
REMOTE CONTROL SENSOR
SWD33
SWD33
5
IC7003
OPT IN
SBX3050-01
REM
3
G KEY
8
KEY G
7
RESET
15
S7401
DSENS
RESET
6
S7106
KEYIN
4
S7104
JOYSTICK
EJECT
ROT0
10
ROT1
9
CN7401
CN232
TELIN
2
ILM
3
ACC
4
B.U
5
GND
6
K
POWER SUPPLY UNIT
CN231 CN7751
MSVD8 MSVD8
MSVD8V 11 9
MSVD8 MSVD8
9 11
MSVD8 MSVD8
7 13
MSVCC5 MSVCC5
MSVCC5 17
3
MSVCC5 MSVCC5
1 19
REG4.8V REGULATOR
REG48V REG48V 4
DD4V 20
19
DD6V DD6V
DD6V 4
5
DD2V DD2V
DD18V 17 1
DD2V
DD2V
3
15
VIDEO9V VIDEO9V
VIDEO9V
6 14
VDD5V
VDD54V
VDD54V
2
VDD5.6V 18
EEPROM
EEPROM
ROM14V 8 16
BSEN BSENS
18 12
VDCONT VDCONT
15
14
DALMON
DALMON
20 7
DDCCTL DDCCTL
12 8
SYSPW SYSPW
16 10
FU232
DGND DGND
10 2
DGND DGND
6
5
PGND PGND
13 4
FU233
6
RESET COM0-7,
SEG1-55
2 1
IC7002
BD4834G
1
2
X7001
8.18MHz
100
9 1 6
3 5
19
/KST1
RXD
18 /KST2
TXD
/KDT0
LCD DRIVER/
/KDT1
KEY CONTROLLER
/KDT2
IC7001
PD2073A
NC9
93 94 95 96 4
SWVDD
Q7001
FU7602
Q7601
( 8.2V)
FU7603 Q7602
( 5.2V)
2
IC7751
BA00DD0WHFP
FU7702 Q7701
( 6.3V)
FU7703 Q7702
( 2.2V)
( 9.2V)
VDD5.4V REGULATOR
3 IC7801
S-812C54AUA-C3I
FU7801
( 5.4V)
4.4V REGULATOR
Q7901
FU7901
( 4.4V)
VDCONT
DALMON
DDCCTL
SYSPW
AVH-P7950DVD/RC
7
LCD Sub LCD
Back light
LED DRIVER
Q7151
85
86
KEY MATRIX
12
S7101-7103
13
14
92
LED SWITCH
Q7202,7203
Q7205,7206
Q7201,
Q7204
Rear On Key
SOURCE &
ILLUMINATION
VOLUME
S7105
FU7601
DC/DC CONVERTER
IC7601
BP5451-1
6
9 BUP
VIN
CH1DRIVE
4
7
CH1CTL CH1DISCH
5
11
SENSE1
CH2DISCH
12
CH2DRIVE
10
VDCONT
14
SW
CH2CTL
13 2
SENSE2
FRQSW
FU7701
DC/DC CONVERTER
IC7701
BP5451-1
6
9
CH1DRIVE VIN
4
7
CH1CTL CH1DISCH
5
11
SENSE1 CH2DISCH
12
CH2DRIVE
10
DALMON
14
SW
CH2CTL
13 2
DDCCTL
SENSE2 FRQSW
Q7751
VIDEO9V REGULATOR
4 2
IC7851
BA00CC0WFP
1
SYSPW
2
Q7802
Q7801
Q7902
7
8
A
Rotary Volume
& Joystick
ILLUMINATION
Key
ILLUMINATION
B
C
CN7501
BUP-IN
2 D
BUP-OUT
1
E
CN7752
OUTERGND
1
F
31
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