Yamaha CRX-330, Руководство по обслуживанию

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★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
Components having special characteristics are marked ⚠ and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
● ⚠印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
● 本回路図は標準回路図です。改良のため予告なく変更することがございます。
A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
CRX-330/NS-BP110/NS-BP100
58
MAIN 2/3
IC217
CB211
IC21
4
CB212
CB213
IC21
8
CB21
4
CB21
5
IC219
IC220
IC221
CB216
CD IN
CD IN
1.8
1.8
3.4
1.8
1.8
1.7 1.8
1.8
1.6
1.8
3.5
3.5 3.5
0
0 0
0 0 0 0 0 0
0
3.4
3.4
3.4 3.4 3.4
1.6
3.5
3.5
3.3 3.2
3.4
1.8
1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8
3.5 3.5
3.5
0
0
0 0 0
0
0
1.8
3.5
3.5
1.8
1.2 3.4 3.4
1.6 1.7 1.7 1.7 1.7 3.3 3.3 3.3
1.6
1.6
3.5
3.5
0
0
1.9
0.2
3.4
1.8
1.8
1.8
1.6
1.8
1.8
1.8
0.3
1.9
1.8
1.9
1.8
1.8
1.8
1.5
0.3
0.2
3.5
0
1.8
1.2
1.2
1.3
1.3
3.4
0.2
1.9
2.3
2.0
0
0
1.8
1.8
1.8
1.8
1.8
1.7
1.7
3.4
3.5 3.4
3.4 3.3
0
5.2
0
7.2
0.3
0
3.4
5.2
5.2
0
0
3.5
3.5
1.8
3.5
3.5
1.3
0
0
0
0
0.3
3.4
15.3
7.2
3.5
0
0
1.9
0
3.3
0 0
0
0
1.2 0.6
0.6 0.6 1.3
1.9
1.9
15.3
5.2 5.2 5.2 9.8
15.3
15.3 15.3 11.9 7.2 7.2 7.2
15.3 0
5.2
15.3
2.3
2.0
3.1
1.8
1.8
1.8
1.8
1.8
1.8
1.8
3.3
3.3
3.1
3.5
7.2
7.2
0
1.6
3.2
3.4
3.4
3.4
3.4
3.4
3.3
3.3
3.3
0.6
0.6
0
0
0
0
3.4
3.4
3.4
0
0
0
0
0
0
0
3.4
2.1
1.9
1.6
1.6
1.6
1.6
0
1.7 1.7 1.7 3.3 3.3 3.3
3.3
3.5
3.5
3.5
1.8 1.8 1.8 1.8 1.8 1.8 1.8
0 0
1.6
0 0
3.5
3.5
3.5
3.5
1.7 1.8 1.8
1.8
1.8
1.8 1.8
1.8
1.8
0
0 0 1.9 2.1
1.2 3.4 3.4 3.3
1.6 1.6
1.6
POINT C XL203 (Pin 109 of IC217)
POINT D XL204 (Pin 11 of IC218)
C
D
IC221 : BD9302FP-E2
2.5 MHz 2 A power switch 2 ch step-down switching regulator
1 PGND1
2 COMP1
0.6V
ERR
PWN
VREF
slope
slope
OSC
OCP
5V
OCP
Current
Sense
Current
Sense
UXLO
TSD
Set
SDWN
DRV1
SDWN
Reset
DRV2
DRV2
SDWN
DRV1
SDWN
Set
Reset
Internal
Bisa
+
-
0.6V
ERR
PWN
+
-
+ -
+ -
3 FB1
4 RT
5 N.C.
6 SS1/SD
7 VCC
8 SS2/SD
9 N.C.
10 FB2
11 COMP2
12 GND
13 PGND2
25 SW1L
24 SW1
23 SW1
22 BOOT1
21 PVCC
19 PVCC
18 PVCC
17 BOOT2
16 SW2
15 SW2
14 SW2L
20 PVCC
IC218 : MN103SFB5KYAA
Microprocessor
TIMER
INTERRUPT
CONTROL
WDTx1
35 Factor
INTERFACE
MEMORY
8 KB
256 KByte
8 KByte
8-bit x 4
16-bit x 2
DMA 4 CH
USB
ROM
32 bit
MICRO-
PROCESSOR
CORE
FLASH
MEMORY
DATA
RAM SIF
x 2
I2C
x 1
34 pcs (3 V type)
8 pcs (5 V type)
CLOCK &
SYSTEM control
I/O port
V
DD
A3
A2
A1
A0
A10/AP
BA
CS
RAS
CAS
WE
LDQM
DQ7
V
SSQ
DQ2
V
DDQ
DQ4
V SSQ
DQ6
V
DDQ
DQ1
DQ5
DQ3
DQ0
V
DD
V
SS
A4
A5
A6
A7
A8
A9
N.C
CKE
CLK
UDQM
N.C/RFU
DQ8
V
SSQ
DQ13
V DDQ
DQ11
V
SSQ
DQ9
V
DDQ
DQ14
DQ10
DQ12
DQ15
V
SS
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Bank Select
Data Input Register
Column Decoder
Latency & Burst Length
Programming Register
Timing Register
LWCBR
LDQM
DQi
LDQM
LWE
LCAS
LWE LCBR LRAS
CLK CKE CS RAS CAS WE L(U)DQM
LCKE
LCBR LRA
S
ADD
CLK
512K x 16
512K x 16
A
ddr
ess R
egist
er
R
o
w Decoder
C
ol.
Buf
fer
Sense AMP
Output Buf
fer
I/O C
ontr
ol
R
o
w Buf
fer
R
efr
esh C
ount
er
IC219 : M12L16161A-7TG
512 K x 16-bit x 2 banks synchronous DRAM
IC214 : AN41010A-VF
5-ch. linear driver IC for CD and DVD player
Direction
Detection
· Standby
· Band-gap
· SVCC
Reset Circuit
20 kΩ
SGnd
STBY
OPO
OPI-
OPI+
SVCC IN5 IN4 IN2 IN1 PC5 PC4 PC1-2
VREF
PGND PVCC
VO1- VO1+
VO2- VO2+
VO3- VO3+
VO4- VO4+
VO5- VO5+
[Focus] [Tracking] [Loading] [Sled] [Spindle]
IN3R
MC1 MC2 MODE
“L”
[PC1-2,PC4,PC5]
“L” Forward
“L” “Hi-Z” Brake
“H” “H” Brake
“L” “H” Reverse
“H”
“L”: mute
“H”: active
“L” Stand-by
MC2 MC1
Note) For use inputting 3-state
MC1 is fixed to L”
– +
– + – +
– +
M
Direction
Detection
20 kΩ
– +
– + – +
M
Direction
Detection
18 kΩ
– +
– + – +
M
Direction
Detection
20 kΩ
– +
– + – +
Direction
Detection
PVCC/2
Logic
20 kΩ
– +
– + – +
20
15 18 9 13 8 11 17 19 12 10 16 14
4 28 27 2 7
FIN
26 6 27 5 3 21
1
24
23
22
[STBY]
“L”: All mute
“H”: All active
V
IN
4
EN
1
2
5
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
V
OUT
3 FLG
GND
IC220 : R5523N001A-TR-F
High side switch IC
(Writing port)
to Loader mechanism unit
to Loader mechanism unit
to Loader mechanism unit
(Writing port)
to POWER (1)_W1
Page 60 N3
CD CONTROLLER
USB CURRENT
LIMIT IC
USB CONTROLLER
MAIN (1)