Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SJ-HD501 Viewing SGML_VIEW_DATA EU SJ-HD501 SVC AX12_01
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SCHEMATIC DIAGRAM 1 : POSITIVE VOLTAGE LINE
Note: : PLAYBACK SIGNAL LINE
The number which noted at the connectors on the schematic A MD SERVO CIRCUIT : RECORDING SIGNAL LINE
diagram as "SCHEMATIC DIAGRAM 1" or
"SCHEMATIC DIAGRAM 2" indicates the schematic diagram
serial number located on the left corner in the schematic
diagram. 2.6V
LASER
MD OPTICAL PICKUP POWER ADJ.
R3 VR1
FOCUS TRACKING 4.7K 10K(B)
COIL COIL
FCS+ CN1
1 1 A
TRK+
2 2 B
TRK
3 3 C
FCS
4 4 D
F PD GND R1
5 5
PD A 4.7K
6 6 E
PD C
7 7 C1 220P
GND
8 8
A
A 9 9 F
H G I J K L F B
B 10 10 G
APC
1 0.1 C 11 11
F2
D 12 12 H
F1
E 13 13 I
GND
14 14 TP35
Vcc
1 2 3 4 5 6 7 F 15 15
G 16
VREF
16 J
IC11
VREF
RF2
RF1
C
Vcc
D
PD GND
H 17
PD GND
17
C8 C123 TC74HCT00AFL
TP37 0.22 0.1 NAND GATE
RF2
I 18 18 K
RF1
LD GND
J 19 19 L
GND
0V
5V
5V
5V
5V
20 20 C7
APC
TP44
D 0.22
LD
F2
F1
21 21 M 7 6 5 4 3 2 1
B
A
K
C
14 13 12 11 10 9 8 L 22 22 N GND
GND R8
23 23 270
LD C4
24 24 1 O
C B D E A LD GND
0.022 25 25 P
HFMV R6
26 26 4.7K
R5
1
1.9V
(1.9V) C5 Vcc
2.6V 0.22
8 7 6 5 2.5V 8 9 10 11 12 13 14
0V (0V) 5V
3.3V (3.3V) 0V
3.3V
0V (0V) 5V
3.3V (3.3V) 0V
3.3V
5V
NC
GND
LD
LD GND
0V
Q1
R30
1K
(1.8V)
1 H
300
1.8V 2SB1295 6 TB
LASER POWER DRIVE
IDC IN
HFMW
GND
R22 2.4V R29
NC
0 (2.4V) 0V 2.6V 47K
1 2 3 4
Q3
R71
C6
R72
22
1
22
2SB1462STX
5V
3.3V (1.8V) 1.8V
POWER SUPPLY
(0V)
G 5V
TP110 R13
3.3 D5
CN8 D S
6
5V (5V) 0V 5V
C81
56P
5
D6
L700 4 D5,6 Q10
(MAGNETIC HEAD) SC80209TE12R 2SJ278MYTR
3
C120
56P
C133
5V HEAD DRIVE
1
2 (5V)
D
1 Q11 0V
5V (0V) 0V
2SK1764KYTR
C118
G C117
1
TP111 HEAD DRIVE 0V 6.3V330
S
16V10
C60
M3
M
10 H
(LOADING MOTOR)
L11
5V
0V
0V
0V
5V
Q 5 4 3 2 1
OUT1
OUT2
GND
Vcc
VS
R
C48
IC92
0.1
M2
M
5V
(TRAVERSE MOTOR) LB1830MS TLM
VC OUT
S LOADING
VREF
T MOTOR DRIVE
IN1
IN2
VM
U 6 7 8 9 10
(1.7V)
(3.3V)
(3.3V)
1.7V
0V
R74 (2V)
3.3V
3.3V
8.2K 0V
0V
M1
2V
0V
M
0V
I
(SPINDLE MOTOR)
L
V K
B SWITCH CIRCUIT W J
1000P
C106
R73
R75
R77
39K
22K
22K
S1 (PROTECT) CN6 CP6
10 10 A
S2 (REFLECT)
9 9 F
8 8
S4 (DISC IN)
7 7 G
S5 (LOAD PLAY/REC)
6 6 C
S6 (LOAD PLAY)
5 5 B
4 4
S8 (TV SW)
3 3 H
S7 (LOAD TRG) D9 MA728TX
2 2 D
S3 (LOAD OPEN)
1 1 E
SCHEMATIC DIAGRAM 2
: POSITIVE VOLTAGE LINE : PLAYBACK SIGNAL LINE : RECORDING SIGNAL LINE
C110
L1
0.1
10 H
2.6V
PLAY
P Q R S T U V W
0.9V TP150
P P
TP149
0.5 s. 0.1V/DIV.
1000P
C14
TP148
R43 TP52 TP123 TP122
2.2K
C13
R17
22K
0.039
C122
0.47
1
4V22
C28
C23
0.1
TP36
C12
3300P
C29
PLAY
0.2V
1.8V (1.3V) 1.3V
1.3V (0.5V) 0.5V
P P
1.1V (0V) 0V
0.5 s. 50mV/DIV.
R44
22K
PLAY
2.6V
1.3V
1.3V
1.4V
3.3V
3.3V
3.3V
3.3V
2.6V
0.45V
0.082
C66
P P
36 35 34 33 32 31 30 29 28 27 26 25
0.082
0.5 s. 50mV/DIV.
C59
RF DATA
NRFDET/OFTR
SVREF
OUT RF
Vcc
OFT IN
NRFSTBY
CRF AGC
EQ IN
RFCK
NRFLD
ARFO
4V10
C20
C19
0.1
TP38 TP43
1.3V 0V
J 37 VREF GND 24
1.3V 1.7V (0V) 0V C30
L 38 RF1 OFT O 23 0.012
1.3V PLAY 0.8V (1V) 1V TP56
K 39 RF2 3.3V CBD O 22
1.3V 2.5V (0V) 0V
I 40 F1 BDO/TRCRS 21 H
1.3V 0V 1.5V
H 41 F2 CEA 20 TP57
C64 0.015 1.3V 2ms. 1V/DIV. 1.3V (1.6V) 1.7V
42 CLPF1 PLAY AS/MON3T 19 I
R18 10K 0.3V 50mV 1.3V R24 47K
43 CLPF2 FBAL 18 J
1.3V P P 1.3V R26 47K
F 44 A AS GAIN 17 K
1.3V IC1 2ms. 50mV/DIV. 1.3V
G 45 B FE 16 L
1.3V AN8772FHQ PLAY 1.3V R32 47K
N 46 C RF AMP AB GAIN 15 M
1.3V 0.1V 1.3V R45 33K
M 47 D P P LNP 14 N
1.3V 1.3V R28 47K
48 CENVC 2ms. 50mV/DIV. TGAIN 13 O
APC REF
TEMP IN
APC PD
C16
CENVD
CRS IN
TEMP
TOFS
180P TP41 TP39 TP40 TP42
LD IN
TBAL
ADIP
LDO
TE
8200P
3300P
1000P
1000P
1000P
1000P
1 2 3 4 5 6 7 8 9 10 11 12
5600P
C18
1.9V (1.9V) 2.5V
0V (0V) 2V
0V
0V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
C21
C53
C57
C35
C31
C32
C37 C55
180P 1000P
C56 1000P
E
O
0.022
0.039
C17
470K
C25
C11
P
R10
3300P
R14 R16
10K 100K
2.7K
R34
100K
C129
100P
R25
TP55
TH1
10K
C
2.7K
0.33
C61
47K
C24 TP54 R84
0.1
1K
1000P 15K
R23
R20
R19
0V
C65
R82
47K
Q2 47K
DTC114YETL 3.3V
A
REC DRIVE 10K
0V C67
C86 3900P
0.015
R15
22K
C26
4700P
B
A B C D E F G
SCHEMATIC DIAGRAM 3
A MD SERVO CIRCUIT : POSITIVE VOLTAGE LINE
2.6V
3.3V
10 H
L12
A B C D E F G H I J K L
R135 2.7K 5V
R104 2.7K
10 H
R105 2.7K
L15
R121 2.7K
R122 2.7K
R134 2.7K
R132 2.7K
R130 2.7K
S
1K
T
1K
1K
1K
1K
1K
1K
1K
22K
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