Panasonic SA-PT550GCP, Руководство по обслуживанию

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20.5. Relay, Tray Loading, Voltage Selector & Optical Pickup Unit Circuit
SCHEMATIC DIAGRAM - 17
(FOR REFERENCE ONLY)
OPTICAL PICKUP UNIT CIRCUIT
SA-PT550GCP RELAY / TRAY LOADING / VOLTAGE SELECTOR / OPTICAL PICKUP UNIT CIRCUIT
TO
RELAY CIRCUIT
(FP8004)
IN SCHEMATIC
DIAGRAM - 17
K
K M
RELAY CIRCUIT
TO
DVD MODULE
(DV5) CIRCUIT
(FP8531)
IN SCHEMATIC
DIAGRAM - 4
A
TO OPTICAL
PICKUP UNIT
IN SCHEMATIC
DIAGRAM - 17
TO
DVD MODULE
(DV5) CIRCUIT
(FP8251)
IN SCHEMATIC
DIAGRAM - 4
A
TO TRAVERSE/SPINDLE
:+B SIGNAL LINE
: DVD RF SIGNAL LINE
: DVD HEAD SIGNAL LINE : MOTOR DRIVE SIGNAL LINE : TRACKING ERROR SIGNAL LINE
: FOCUS ERROR SIGNAL LINE
: CD HEAD SIGNAL LINE
TRAY LOADING CIRCUIT
:+B SIGNAL LINE
L
TO
MAIN CIRCUIT
(CN2015)
IN SCHEMATIC
DIAGRAM - 7
B
I
TO
SMPS CIRCUIT
IN SCHEMATIC
DIAGRAM - 15
VOLTAGE SELECTOR CIRCUIT
A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1 2 3 4 5 6 7 8 9 10 11 12 13 14
A
B
D
E
F
H
G
C
7
M
R2
R4
R1
R3
VR1
VR2
R5
R6
R7
C2
C5 C6
C1 C3
T+
F+
F-
T-
TA
TB
TD
TC
FE2
FE1
VREF2(RF-)
PIN(DVD)
LD(CD)
LD(DVD)
LD GND
RF
GND(Im)
GND(Im)
SW
PIN(CD)
SUB1
SUB2
VCC
VREF1
GND(OEIC)
HFM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
GND
L2
L1
C4
C7
L3
L4
C8 GND
GND
OUT
GND
GND
TB
TA
TC
FE1
FE2
1m
RF
TD
GND
VREF
VCC
SUB2
SUB1
SW
LD(CD)
LD(DVD)
LDGND
VCC
1
3
2
4
5
6
8
7
9
10
11
12
13
14
15
16
18
19
20
21
22
23
24
25
26
17
TO HFM
TO LDU
TO ACT
FP8004
FP8002
FP8001
7
8
5
6
9
24
14
16
15
11
12
10
13
22
23
19
20
17
18
21
2
1
4
3
26
25
FP8003
LDGND
VREF1
LDDVD
GND[OEIC]
GND
RF
TD[DVD]
TC[DVD]
F-
T-
HFM
T+
F+
TA[DVD]
TB[DVD]
PIN[DVD]
VREF2[RF-]
FE2[DVD/CD]
FE1[DVD/CD]
LDCD
SUBSEL
GND[VRCD]
VCC
SUB2
SUB1
PIN[CD]
7
8
5
6
9
24
14
16
15
11
12
10
13
22
23
19
20
17
18
21
2
1
4
3
26
25
LDGND
VREF1
LDDVD
GND
RF
TC[DVD]
T-
HFM
T+
F-
F+
TA[DVD]
TD[DVD]
TB[DVD]
PIN[DVD]
LDCD
GND[OEIC]
FE2[DVD/CD]
VREF2[RF-]
FE1[DVD/CD]
SUBSEL
SUB1
VCC
SUB2
PIN[CD]
GND[VRCD]
2
4
3
1
6
5
2
4
3
1
6
5 DGND
TRVM+
SPM-
SPM+
TRVM-
SPM-
DGND
SPM+
TRVM-
TRVM+
TRV_INNER_SW TRV_INNER_SW
VCC OUT2 NC GND VS OUT1 VREF
IC904
C0GAY0000013
TRAY LOADING MOTOR DRIVE
TRAY CW TRY OPEN
CS901
TRAY CW
M+9V
GND1
VREF+
TRAY CCW
TRY CLOSE
TRY OPEN
1
2
3
4
7
5
6
C984
25V10
S901
PLAY
S902
OPEN
LOADING MOTOR
(REF NO. 316)
1 2 3 4 5 6 7 8 9
S5000
VOLTAGE SELECTOR
2
3
1
RED
BLU
SA-PT550GCP
109