Yamaha 505 Service Manual Page 49
- Page / 92
- Table of contents
- BOOKMARKS
Rated. / 5. Based on customer reviews
ABCDEFGH
1
2
3
4
5
6
IJKLMN
7
8
9
10
GX-505/GX-505VCD
■ SCHEMATIC DIAGRAM (GX-505 CD)
* All voltage are measured with a 10M
Ω
/V DC electric volt meter.
* Components having special characteristics are marked
Z
and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
Point q (Pin59 of IC5)
V : 2V/div H : 50 nsec/div
DC range 1 : 1 probe
Point w (Pin39 of IC8)
V : 2V/div H : 0.1 µsec/div
DC range 1 : 1 probe
IC4 : AN8806SB
Digital Servo Head Amp
36
PDAC
EQ
+
35
PDBD
+
31
PDFR
34
PDF
+
32
PDER
33
PDE
+
+
+
VCBA
+
+
VCBA
29
F.BAL
7
RF OUT
6
RF–
+
27
FEOUT
28
FE–
+
VCBA
+
VCBA
+
+
30
TBAL
+
24
CROSS
+
25
TEOUT
26
TE–
8
RF IN
RF
DETECT
9
C.AGC
AGC
10
ARF
17
RF DET
ENV DETECT
11
C.ENV
12
C.EA
19
ENV
BDO
OFTR
13
C.SBDO
14
BDO
15
C.SBRT
16
OFTR
18
GND
5
VCC
+
23
TEBPF
+
22
VDET
+
20
VREF
1
PD
4
LDP
3
LDON
2
LD
21
LD OFF
–+
OUT
1
–IN1
–VCC
+VCC
OUT2
1
2
3
4
5
+IN1 –IN2
+IN2
– +
6
7
8
IC13, 14 : µPC4570G2
Dual OP-Amp
IC1 : M56748FP
4 Channel BTL Driver
TSD
STAND
BY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
25K
23K
10K
10K
15K
15K
10K 10K10K 10K
10K 10K
3.6K
10.8K
VCC
OP1
PA PA
PA PA
PA
PA
PA
PA
OP1
OP1OP1
OP1
OP1 OP1
VREF-IN
VREF-OUT
N. C.
GAIN 1
VCTL 1 (–)
VM 1 (–)
VM 1 (+)
GND
VM 2 (+)
VM 2 (–)
VCTL 2 (–)
GAIN 2
N. C.
VCC
REG 5V
STAND BY
SS. GND
STAND BY
GAIN 4
VCTL 4 (–)
VM 4 (–)
VM 4 (+)
GND
VM 3 (+)
VM 3 (–)
VCTL 3 (OUT)
VCTL 3 (–)
VCTL 3 (+)
VCC
REGBASE
IC2, 3 : TA8409S
Full Bridge Motor Driver
9
2 6
7
3
8
5
1
STAND-BY
CIRCUIT
VREF
CIRCUIT
THERMAL
SHUTDOWN
CIRCUIT
VCC VS
VREF
OUT 1
OUT 2
IN 1
IN 2
GND
IC9 : TC74HC125AF
Quad 3 State Bus Buffers
1A
1Y
1C
Vcc
4C
1
2
3
4
11
2C
4A
4Y
12
13
14
2A
2Y
3C
3A
5
6
7
GND
3Y8
9
10
IC10 : TC74HC04AF
Hex Inverters
1A
1Y
2Y
V
DD
6A
1
2
3
4
11
2A 6Y
5A
12
13
14
3A
3Y
5Y
4A
5
6
7
V
SS
4Y8
9
10
0V
0V
62
CD HEAD AMP
SPC & DAC
ACT
MOTOR
DRIVE
MOTOR DRIVE
CD CPU
LPF
MUTING
REGULATOR
REGULATOR
CD(Lch)
2.4
2.4
0
1.7
0.6
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
0.1
3.7
4.8
0
4.8
2.4
2.9
2.4
3.6
1.5
3.8
3.1
3.5
1.2
3.5
0
0
0
3.7
4.3
1.8
2.4
2.4
2.1
2.5
0
0
0
2.5
5.6
2.4
5.6
2.4
2.4
2.5
2.7
0
0
0
~
2.4
2.4
2.4
1.3
2.4
4.8
0
0
0
6.1
~
11.1
0
~
4.8
0
0
4.8
~
0
11.1
~
4.0
0
0
6.0
0
0
4.0
2.4
1.3
1.9
4.8
0
0
2.4
2.3
4.8
4.8
4.8
0
~
2.4
2.4
4.8
1.2
0
0.6
0
0
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
4.3
4.8
0
~
4.8
0
0
0
0
4.8
~
2.4
~
0
4.9
2.4
2.4
2.4
4.8 5.5
8.04.9
7.3
7.3
0
1.2
1.7
1.2
1.2
0
0
0
2.7
0
0
0
0
0
6.2
6.2
6.2
5.6
10.8
4.8
0
4.8
4.8
0
0
4.8
4.8
4.8
0
4.8
4.8
~
~
~
~
4.8
0
0
0
4.8
4.8
0
0
0
~
4.1
4.1
0
0
~
~
4.8
0
0
4.8
0
4.8
0
4.8
0
4.8
4.8
0
0
0
0
0
0
0
0
4.8
0
0
0
0
0
0
0
0
0
0
4.1
4.3
2.1
2.3
0
0
0
0
0
0
0
0
0
4.8
0
0
0
0
0
4.8
0
0
0
0
0
0
0
0
4.8
4.8
4.8
0
0
0
0
0
0
0
0
0
0 4.8
4.8
4.8
4.8
-12.0
0
0
0
-12.1
12.2
0
0
0
0
4.8
0
4.8
0
4.8
4.8
q
w
0
5.6
0
0
0
~
5.6
2.4
5.6
5.6
0
0
4.8
12.2
0
0
0
0
0
0
-12.1
0
0
-12.0
0
0
-12.0
0
2.4
0
2.4
2.4
8
3
1
2
6
5
7
4
5
6
3
21
4
14
12
13
11
10
9
10
11
9
2
1
89
7
3
8
14
10
11
8
2
1
3
5
6
7
4
7
MAIN(1)
P68
A-2
INPUT(1)
P64
A-9
INPUT(3)
P64
C-8
- GX-505VCD 1
- ■ TO SERVICE PERSONNEL 2
- Laser Emitting conditions: 3
- ■ GX-505 PANELS 4
- ■ GX-505VCD PANELS 6
- ■ SPECIFICATIONS 7
- ■ INTERNAL VIEW 8
- GX-505/VCD 10
- Friction 12
- 19.4 ± 0.2 mm 13
- ■ VOLUME RANGE 14
- ■ SYSTEM CONTROL CHECK 14
- ■ TEST MODE 15
- ■ SYSTEM TEST MODE 15
- ■ RECEIVER TEST MODE 16
- ■ TAPE TEST MODE 17
- ■ CD TEST MODE 18
- ■ CD ERROR MESSAGES 19
- GX-505/GX-505VCD 20
- “MECHANICAL ADJUSTMENT” 23
- “ELECTRICAL ADJUSTMENT” 23
- ■ IC DATA 25
- PATTERN AREA 32
- ■ BLOCK DIAGRAM 34
- ● Semiconductor Location 37
- MAIN P.C.B. (5) 48
- MAIN P.C.B. (6) 48
- SCHEMATIC DIAGRAM (GX-505 CD) 49
- INPUT (3) 51
- INPUT (1) 51
- INPUT (2) 52
- PARTS LIST 57
- ■ GX-505 EXPLODED VIEW 76
- ■ GX-505 MECHANICAL PARTS 77
- ■ GX-505VCD EXPLODED VIEW 80
- ■ GX-505VCD MECHANICAL PARTS 81
- MEN-125F 87
- EXPLODED VIEW (Loading Unit) 88
- New Parts 89
- ■ SCHEMATIC DIAGRAM 90
Related products and manuals for CD players Yamaha 505
CD players Yamaha 480 Owner's Manual
(20 pages)
(20 pages)
CD players Yamaha CDX-660 Owner's Manual
(19 pages)
(19 pages)
CD players Yamaha CDX-530 Owner's Manual
(23 pages)
(23 pages)
CD players Yamaha CDX-710U Owner's Manual
(20 pages)
(20 pages)
CD players Yamaha CC-50 Owner's Manual
(48 pages)
(48 pages)
CD players Yamaha GX-90VCD Specifications
(71 pages)
(71 pages)
CD players Yamaha GX-700VCD Owner's Manual
(52 pages)
(52 pages)
CD players Yamaha CDX-550 Owner's Manual
(20 pages)
(20 pages)
CD players Yamaha CDC-91 Owner's Manual
(15 pages)
(15 pages)
CD players Yamaha CRW2200SX Setup Guide
(156 pages)
(156 pages)
CD players Yamaha CDR-D651 Owner's Manual
(33 pages)
(33 pages)
CD players Yamaha CDC-835 Owner's Manual
(24 pages)
(24 pages)
CD players Yamaha GX-505VCD Specifications
(47 pages)
(47 pages)
CD players Yamaha VCD-102K Owner's Manual
(23 pages)
(23 pages)
CD players Yamaha CDC-635 Owner's Manual
(15 pages)
(15 pages)
CD players Yamaha CD-N500 Owner's Manual
(40 pages)
(40 pages)
CD players Yamaha CDV-1000 Owner's Manual
(37 pages)
(37 pages)
CD players Yamaha CVP-509 Owner's Manual
(138 pages)
(138 pages)
CD players Yamaha CDM-900 Owner's Manual
(26 pages)
(26 pages)
© 2020, manymanuals.com. All rights reserved. | 0.626 s |
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Comments to this Manuals