Panasonic SA-HT855E Service Manual page 88

SA-HT855E / SA-HT855EB / SA-HT855EG
SCHEMATIC DIAGRAM-18
:+B SIGNAL LINE
TRAY LOADING CIRCUIT
IC904
C0GAG0000022
H
REFLECTIVE PHOTO SENSOR
9 8 7 6 5 4 3 2 1
C984
G
25V10
Loading Motor
M
F
J
RELAY CIRCUIT
FP8004
T+
26
F+
25
E
F-
24
T-
23
HFM
22
TA(DVD)
21
TA(DVD)
20
TA(DVD)
19
TA(DVD)
18
FE2(DVD/CD)
17
FE1(DVD/CD)
16
GND
TO
15
RF
OPTICAL
14
VREF2(F-)
PICKUP
13
PIN(DVD)
D UNIT
12
LDCD
11
LDGND
10
LDDVD
9
GND(OEIC)
8
VREF1
7
VCC
6
SUB2
5
SUB1
4
PIN(CD)
3
SUBSEL
2
GND(VRCD)
1
C
FP8002
SPM-
1
6
SPM+
TO SPINDLE/ 2 5
TRVM-
TRAVERSE 3
4
TRVM+
MOTOR 3
GND
ASS'Y 5
2
TRY_INNER_SW
6 1
7
B 8
9
A
1 2
:-B SIGNAL LINE :MAIN SIGNAL LINE
CS901
TRAY CW
7
M+9V
TO
6
GND1
5
MAIN CIRCUIT
VREF+
4
(CN2004)on
TRAY CCW
3
SCHEMATIC
TRY CLOSE
2
TRY OPEN
DIAGRAM-7
S901 1
PLAY
S902
OPEN
FP8003
T+
1
F+
2
F-
3
T-
4
HFM
5
TA(DVD)
6
TA(DVD)
7
TA(DVD)
8
TA(DVD)
9
FE2(DVD/CD)
10
FE1(DVD/CD)
11
GND TO
12
RF HDMI MODULE
13
VREF2(F-)
CIRCUIT(D2)
14
PIN(DVD) (FP8531) on
15
SCHEMATIC
LDCD
16
LDGND DIAGRAM-4
17
LDDVD
18
GND(OEIC)
19
VREF1
20
VCC
21
SUB2
22
SUB1
23
PIN(CD)
24
SUBSEL
25
GND(VRCD)
26
FP8001
SPM-
1
TO
SPM+
2 HDMI MODULE
TRVM-
3
CIRCUIT(D2)
TRVM+
4 (FP8251) on
GND
5 SCHEMATIC
TRY_INNER_SW
6 DIAGRAM-4
3 4 5
C
TUNER EXTENT CIRCUIT
CP2010
TUNERGND
10 1
T+9V
9 2
RDS DETECT
3 8
TUNER RCH
7
TO TUNER
TUNER DO/ST
6 5
PACK TUNER LCH
6 5
(J3CCBC00012)
TUNER SD
7 4
TUNER DI
8 3
TUNER CLK
2 9
PORT_SEL
1
OPTICAL PICKUP UNIT CIRCUIT
GND L4
1
J0JBC0000105
VCC
2
GND L3 C8
3
TO
J0JBC0000105
0.1
GND
HFM PCB 4
OUT
5
GND
6
A
GND
1
TB
2
TA
3
TC
4
TD
5
FE1
6
FE2
7
IM
8
RF
9
TO
GND
LDU PCB
10
VREF
11
VCC
12
SUB2
13
SUB1
14
SW
15
LD (CD)
16
LD (DVD)
17 C1
LDGND 0.1
18
A
C5
22P
SA-HT855E/EB/EG TRAY LOADING/TUNER/RELAY/OPTICAL PICKUP UNIT CIRCUIT
6 7 8
88
CN2010
TUNERGND
10
T+9V
9
RDS DETECT
8 B
TUNER RCH
TO
7
TUNER DO/ST TUNER CIRCUIT
6
TUNER LCH
(CN2002) on
5
TUNER SD SCHEMATIC
4
TUNER DI DIAGRAM-7
3
TUNER CLK
2
PORT_SEL
1
TO ACT
R2
0
VREF2(RF-)
PIN (DVD)
R4 C2
0 0.1
LD (DVD)
GND (OEIC)
R1
VR1
C3 0
6.8K
0.1
R3
0
R5
0
R6
0
R7
6.8K
VR2
6.8K
C6
22P
L2
J0JCC0000307
C7
0.1
C4
L1
0.22
J0JBC0000105
9 10 1 1
T+
26
F+
25
F-
24
T-
23
HFM
22
TA
21
TB
20
TD
19
TC
18
FE2
17
FE1
16
J
GND (IM)
TO
15
RF RELAY CIRCUIT
14
(FP8004) ON
13
SCHEMATIC
12
DIAGRAM-18
LD (CD)
11
LD GND
10
9
8
VREF1
7
VCC
6
SUB2
5
SUB1
4
PIN(CD)
3
SUBSEL
2
GND (IM)
1
12 13