Yamaha RX-V375U, Руководство по обслуживанию

Страница: 98 / 138

A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
RX-V375/HTR-3066/HTR-2866
98
DIGITAL 4/5
★
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あります。
DIGITAL IN
DIGITAL IN
C/SW
FL/FR
FRONT L
CENTER
SURROUND L
SUBWOOFER
SL/SR
ANALOG IN
ANALOG IN
3.3
3.3
4.9
5.0
5.0
5.0
3.3
1.2
1.3
4.9
4.9
3.3
5.0
R E S I S T O R
R E M A R K S
N O M A R K
P A R T S N A M E
C A R B O N
C A R B O N
M E T A L
M E T A L
M E T A L
F I R E
C E M E N T
S E M I
F I L M R E S I S T O R
F I L M R E S I S T O R
O X I D E F I L M R E S I S T O R
F I L M R E S I S T O R
P L A T E R E S I S T O R
P R O O F C A R B O N F I L M R E S I S T O R
M O L D E D R E S I S T O R
V A R I A B L E R E S I S T O R
( P = 5 )
( P = 1 0 )
C H I P R E S I S T O R
R E M A R K S
C A P A C I T O R
P A R T S N A M E
N O
N O
M A R K
M A R K
E L E C T R O L Y T I C C A P A C I T O R
C E R A M I C C A P A C I T O R
P O L Y E S T E R F I L M C A P A C I T O R
P O L Y S T Y R E N E F I L M C A P A C I T O R
M I C A C A P A C I T O R
P O L Y P R O P Y L E N E F I L M C A P A C I T O R
S E M I C O N D U C T I V E C E R A M I C C A P A C I T O R
P
T A N T A L U M C A P A C I T O R
T U B U L A R
S
C A P A C I T O R C E R A M I C
F I L M S U L F I D E P O L Y P H E N Y L E N E
C A P A C I T O R
S W O
S L O
S R O
F L O
F R O
T I _ S D F
T I _ B C K
T I _ W C K
T I _ S D C
T I _ S D S
T I _ S D S B
D A C _ N _ C S
D S P _ S C K
D S P _ M O S I
C O
F _ M T
C _ M T
S _ M T
C P N T _ O N
C V B S _ O N
V S E L 3
V S E L 2
V S E L 1
F _ M T
C _ M T
S _ M T
VSEL1 VSEL2 VSEL3
C V B S _ O N
C P N T _ O N
D I R _ N _ C S
D I R _ B C K
D S P _ M I S O
D S P _ S C K
D I R _ S D O
A V 3 _ D A V 3 _ D
H D M _ W C K / D R 0
D I R _ W C K
D I R _ N _ I N T
H D M _ M C K
A V 2 _ D
D S P _ S C K
A V 1 _ D
D I R _ 2 4 M
D S P _ M I S O
DIR_SDO
D S P _ M O S I
H D M _ S D 0 / D L 0
H D M _ W C K / D R 0
DIR_WCK
D I R _ N _ I N T
DIR_BCK
D I R _ N _ R S T
H D M _ B C K / D D C K
D I R _ N _ C S
A V 4 _ D
DIR_24M
D I R _ N _ R S T
D S P _ M O S I
D I R _ M C K 2
J _ N _ D E S T
U S B _ S P D I F
U S B _ S P D I F
H D M _ S P F / D L 2
H D M _ A R C
H D M _ A R C
H D M _ S P F / D L 2
H D M _ S D 0 / D L 0
H D M _ B C K / D D C K
H D M _ M C K
D A _ C
D A _ C
D A _ F L
D A _ F L
A D R
D A _ S W
D A _ S W
A D L
D A _ F R
D A _ F R
D A _ S L
D A _ S L
D A _ S R
D A _ S R
A V 3 _ D
A V 1 _ D
A V 4 _ D
J _ N _ D E S T
A V 2 _ D
5VSEL1 5VSEL2 5VSEL3
5 V S E L 2
5 V S E L 1
5 V S E L 3
T I _ S D S
D A C _ N _ C S
D 2 6 0 3
n o _ u s e
C 2 6 5 8
1 / 1 0
D S P _ S C K
T I _ W C K
C 2 6 6 0
1 / 1 0
D 2 6 0 4
n o _ u s e
T I _ S D C
T I _ S D F
C 2 6 5 9
1 / 1 0
D S P _ M O S I
T I _ B C K
T I _ S D S B
+ 5 A
D G N D
C _ M T
S _ M T
F _ M T
+ 7 D
+ 3 . 3 M
+ 3 . 3 D
+ 1 . 2 D S P
L 2 6 0 8
B L M 2 1 P G 6 0 0 S N 1 D
A G N D
V S E L 3
V S E L 1
C V B S _ O N
V S E L 2
C P N T _ O N
D G N D
P W R _ R Y
T H M 1
T H M 2
N _ P D E T
C P U _ N _ R S T
D G N D
D G N D
IC266
PCM1681PWPR
1
Z R 1 / Z R 1 / F M T 0
2
M S / A D R / F M T 1
3
M C / S C L / D E M P
4
M D / S D A / M U T E
5
S C K
6
D A T A 1
7
B C K
8
L R C K
9
V D D
10
D G N D
11
D A T A 2
12
D A T A 3
13
D A T A 4
14
M S E L
15
V O U T 8
16
V O U T 7
17
V C C 1
18
A G N D 1
19
V O U T 6
20
V O U T 5
21
V O U T 4
22
V O U T 3
23
V C C 2
24
A G N D 2
25
V C O M
26
V O U T 2
27
V O U T 1
28
Z R 2
G
+ 3 . 3 D
+ 5 D
CB263
5 2 4 1 8
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
CB264
5 2 4 1 8
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
+ 5 D
D G N D
D G N D
1 4
7
I C 2 6 7
T C 7 4 V H C T 0 8 A F T ( E
1
2
3
I C 2 6 7
T C 7 4 V H C T 0 8 A F T ( E
4
5
6
I C 2 6 7
T C 7 4 V H C T 0 8 A F T ( E
9
1 0
8
I C 2 6 7
1 2
1 3
1 1
D 5 + D 5 + D 5 +
D G N D
+ 5 D
D G N D
D G N D
C2613
10/10
+ 5 H D M
C2616
10/10
C2634
10/16
C2635
10/16
D G N D
+ 3 . 3 D
5 D _ P O N
3 D _ P O N
D G N D
+ 5 A
D S P _ M I S O
+ 3 . 3 D
H D M _ M C K
H D M _ A R C
C2636
1/10
D S P _ M O S I
C2638
1 / 1 0
D I R _ 2 4 M
C 2 6 4 0
0 . 0 6 8 / 2 5
D G N D
H D M _ S P F / D L 2
DGND
H D M _ S D 0 / D L 0
C2623
1/10
+ 3 . 3 D
+ 3 . 3 D
+ 3 . 3 D
D I R _ N _ R S T
D G N D
DGND
D I R _ M C K 1
D I R _ N _ C S
D I R _ B C K
D S P _ S C K
D G N D
D G N D
D I R _ S D O
DGND
+5A
H D M _ B C K / D D C K
H D M _ W C K / D R 0
R 2 6 0 6
1 0 K X 4
D I R _ W C K
D G N D
IC265
PCM9211PTR
1
E R R O R / I N T 0
2
N P C M / I N T 1
3
M P I O _ A 0
4
M P I O _ A 1
5
M P I O _ A 2
6
M P I O _ A 3
7
M P I O _ C 0
8
M P I O _ C 1
9
M P I O _ C 2
10
M P I O _ C 3
11
M P I O _ B 0
12
M P I O _ B 1
13
MPIO_B
2
14
MPIO_B3
15
MPO
0
16
MPO1
1
7
DOU
T
18
LRCK
19
BC
K
2
0
SCKO
21
DGND
2
2
DVD
D
23
MDO/ADR0
24
MDI/SD
A
25
M C / S C L
26
M S / A D R 1
27
M O D E
28
R X I N 7 / A D I N 0
29
R X I N 6 / A L R C K I 0
30
R X I N 5 / A B C K I 0
3
1
R X I N 4 / A S C K I 0
32
R X I N 3
33
R X I N 2
3
4
R S T
35
R X I N 1
36
V D D R X
37
RXIN0
38
GNDRX
39
XTI
40
XTO
41
AGN
D
42
VCC
43
FILT
44
VCOM
45
AGNDAD
4
6
VCCA
D
47
VINL
48
VINR
R260
7
no_us
e
C260
9
3300P(B
)
C2601
22/6.
3
C 2 6 0 6
1 0 0 0 P ( B )
C 2 6 0 5
3 9 0 0 P ( B )
C2603 no_use
L 2 6 0 7
B L M 2 1 P G 6 0 0 S N 1 D
R 2 6 1 0
7 . 5 K
C2611
1000P(B)
C 2 6 0 7
3 9 0 0 P ( B )
R2608
no_use
C2602
22/6.3
C2612
1000P(B)
C 2 6 0 8
1 0 0 0 P ( B )
C2604
no_use
R2603
7.5K
L 2 6 0 1
B L M 2 1 P G 6 0 0 S N 1 D
L 2 6 0 2
B L M 2 1 P G 6 0 0 S N 1 D
A G N D
+ 5 A
J _ N _ D E S T
R2623
33
R 2 6 1 6
3 3
R 2 6 1 5
1 0 K
R 2 6 1 3
0
R 2 6 1 4
1 0 0
R 2 6 2 0
6 8 0
R 2 6 2 2
0
R 2 6 2 6 3 3
R2628
10K
R 2 6 2 5 4 7
R 2 6 2 4 4 7
R2601
no_use
C2626
no_use
C2637
0.01/16(B)
C2620
100P(CH)
C2619
no_use
C2624
0.01/16(B)
C2639
0.01/16(B)
C2649
0.01/16(B)
8 6 6 2 C
) H C ( P 0 0 1
7 6 6 2 C
) H C ( P 0 0 1
2 7 6 2 C
) H C ( P 0 0 1
0 7 6 2 C
) H C ( P 0 0 1
9 6 6 2 C
) H C ( P 0 0 1
1 7 6 2 C
) H C ( P 0 0 1
7 3 6 2 R
K 2 . 1
4 3 6 2 R
K 2 . 1
8 3 6 2 R
K 2 . 1
6 3 6 2 R
K 2 . 1
9 3 6 2 R
K 2 . 1
5 3 6 2 R
K 2 . 1
7 5 6 2 C
) B ( 6 1 / 1 0 . 0
C2654
no_use
C 2 6 4 6
n o _ u s e
C2653
no_use
C2655
no_use
C 2 6 4 5
n o _ u s e
R 2 6 3 0 1 0 0
R 2 6 2 9 1 0 0
U S B _ S P D I F
C2644
no_use
C 2 6 6 1
1 0 / 1 6
D I R _ N _ I N T
R2602
20K
R 2 6 4 4 1 0 0
R 2 6 4 5 1 0 0
X L 2 6 1
2 4 . 5 7 6 M H Z
4
1 2
3
C 2 6 6 5
1 0 / 1 6
C 2 6 6 6
1 0 / 1 6
C 2 6 4 1
4 7 0 0 P / 2 5 ( B )
C2647
0.1/10(BJ)
C 2 6 4 3
0 . 1 / 1 0 ( B J )
C2673
0.1/10(BJ)
C 2 6 5 2 n o _ u s e
C 2 6 7 4 n o _ u s e
C2618
0.1/10(BJ)
C 2 6 5 1 n o _ u s e
C 2 6 5 0 n o _ u s e
C2617
0.1/10(BJ)
C2622 10/10
C2648 10/10
C 2 6 4 2 1 0 / 1 0
C 2 6 6 2
1 0 0 / 1 6
L 2 6 1 1
B K P 1 0 0 5 H S 6 8 0 - T
L 2 6 0 5
B K P 1 0 0 5 H S 6 8 0 - T
L 2 6 0 6
B K P 1 0 0 5 H S 6 8 0 - T
L 2 6 1 0
B K P 1 0 0 5 H S 6 8 0 - T
+ 5 T
C 2 6 7 5 n o _ u s e
R 2 6 2 7
3 3
C 2 6 5 6
n o _ u s e
I C 2 6 1
B D 9 3 2 8 F J
1
BST
2
VIN
3
SW
4
GND
5
FB
6
COMP
7
EN
8
SS
G
I C 2 6 2
B D 9 3 2 8 F J
1
BST
2
VIN
3
SW
4
GND
5
FB
6
COMP
7
EN
8
SS
G
L 2 6 0 3
1 0 U H
0
J2601
R 1 1 9 1 H 0 5 0 B - T 1 - F
Y D 9 5 7 A 0
IC263
S O T - 8 9 - 5
1
V O U T
2
G N D
3
C E
4
E C O
5
V D D
L 2 6 1 2
B K P 1 0 0 5 H S 6 8 0 - T
+ 1 . 2 D S P + 3 . 3 D
M D H 5 + D 5 +
+ 3 . 3 M
C2663
820P(B)
C2664
820P(B)
C2630
no_use
C2676
no_use
C2678
no_use
C2680
no_use
C2682
no_use
C2684
no_use
C2688
no_use
C2689
no_use
C2690
no_use
C2692
no_use
C2694
no_use
C2696
no_use
C2698
no_use
C2700
no_use
C2701
no_use
C2702
no_use
D N G D D N G D
C2704
no_use
C2707
no_use
C2708
no_use
D G N D
C2706
no_use
C2703
no_use
C2705
no_use
C2709
no_use
C2710
no_use
C2687
no_use
C2677
no_use
C2686
no_use
C2679
no_use
D G N D
C2685
no_use
C2631
no_use
C2683
no_use
C2681
no_use
C2693
no_use
C2691
no_use
C2697
no_use
C2695
no_use
D G N D
C2699
no_use
C 2 7 1 5 n o _ u s e
0 . 1 / 1 0 ( B J ) C 2 7 1 6
C 2 7 1 1 n o _ u s e
C 2 7 1 2 n o _ u s e
C 2 7 1 3 n o _ u s e
D G N D
C 2 7 1 4 n o _ u s e
C 2 6 1 4
0 . 1 / 1 0 ( B J )
C 2 6 1 5
0 . 1 / 1 0 ( B J )
R2640
no_use
R2641
no_use
L 2 6 1 4
B L M 2 1 P G 6 0 0 S N 1 D
I C 2 6 8
B D 9 3 2 8 F J
1
BST
2
VIN
3
SW
4
GND
5
FB
6
COMP
7
EN
8
SS
G
C 2 7 1 9
3 9 0 0 P ( B )
C2725
10/16
C 2 7 2 3
0 . 1 / 1 0 ( B J )
C 2 7 2 0
1 0 0 0 P ( B )
R2648
no_use
L 2 6 1 3
1 0 U H
+ 1 . 3 H
C2722
1000P(B)
L 2 6 0 9
B L M 2 1 P G 6 0 0 S N 1 D
C2718
no_use
C2717
22/6.3
L 2 6 0 4
1 0 U H
+ 1 . 3 H
D G N D
R2646
12K
R2647
27K
R 2 6 4 9
1 . 2 K
C2721
0.022/16(B)
R2617
680
C2627
12P(CH)
C2632
15P(CH)
R2604
10K
R2605
30K
R 2 6 1 1
1 . 2 K
C2610
0.022/16(B)
R 1 1 9 1 H 0 5 0 D - T 1 - F
Y D 9 5 6 A 0
IC264
S O T - 8 9 - 5
1
V O U T
2
G N D
3
C E
4
E C O
5
V D D
C2724
0.01/16(B)
C2628
220/16
C2621
0.1/10(BJ)
D G N D D G N D
R 2 6 4 3
0
R 2 6 4 2
0
R 2 6 0 9
3 3 X 4
R 2 6 1 2
1 0 0 X 4
1
2
4 57
8
3 6
CB262
5 2 1 5 1
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
C2629
10/16
C2625 10/16
R2621
22
R2619
22
R2618
22
D 2 6 0 1
1 S S 3 5 5 V M
CB261
n o _ u s e
+ 3 . 3 M
D G N D
to OPE(4)
to OPE(4)
From 003.sht (DSP)
From 002.sht (CPU)
From 002.sht (Mute)
From 002.sht (CPU)
A V 4 _ D
A V 2 _ D
A V 3 _ D
D G N D
5 V S E L 3
5 V S E L 2
D G N D
N C
A V 1 _ D
N C
D G N D
C V B S _ O N
N C
+ 5 D
N C
5 V S E L 1
C P N T _ O N
D A _ S W
D A _ F R
A D L
D A _ S R
C _ M T
D A _ S L
A D R
A G N D
D A _ C
A G N D
S _ M T
A G N D
D A _ F L
F _ M T
+ 5 A
J _ N _ D E S T
+ 7 V
+ 3 . 3 V
+ 1 . 2 V
+ 5 V
+ 5 V
F r o m 0 0 2 . s h t
( C P U )
( f o r H D M I T x + 5 V P O W E R )
D A C
to OPE(2)
F r o m 0 0 2 . s h t
( C P U )
F r o m 0 0 3 . s h t
( D S P )
F r o m 0 0 1 . s h t
( H D M I R x )
M G
T H M 2
P W R _ R Y
C P U _ N _ R S T
+ 7 D
T H M 1
D G N D
+ 3 . 3 M
N _ P D E T
L D O
L D O
+ 5 A
A G N D
F r o m 0 0 5 . s h t
( U S B )
D I G I T A L 4 : D I R & D A & P O W E R
I C / C B / X L : 2 6 -
O H T E R : 2 6 0 -
+ 5 T
A G N D
A G N D
N C
I C / C B / X L : 2 6 1 -
O H T E R : 2 6 0 1 -
D I G I T A L 4 : D I R & P O W E R
+ 1 . 3 V
(
(
)
%
5
.
0
(
)
%
5
.
0
0.5%)
D G N D
+ 3 . 3 M
P W R _ R Y
for FA TEST
NOTICE
U.S.A
G
CANADA
EUROPE
L
CHINA
AUSTRALIA
SINGAPORE
KOREA
GENERAL
U
C
T
A
K
R
JAPAN
(model)
B BRITISH
J
SOUTH EUROPE E
V TAIWAN
F RUSSIAN
P LATIN AMERICA
S BRAZIL
H THAI
IC266 : PCM1681PWPR
Audio digital-to-analog converter
Output Amp and
Low-Pass Filter
System Clock
Manager
Enhanced
Multilevel
Delta-Sigma
Modulator
DAC
Serial
Input
I/F
Function
Control
I/F
System Clock
Zero Detect Power Supply
DAC
Output Amp and
DAC
DAC
Output Amp and
DAC
Output Amp and
DAC
Output Amp and
V
OUT
1
V
OUT
2
V
OUT
3
V
COM
V
OUT
4
V
OUT
ZR2 ZR1/ZR1/FMT0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
MS/ADR/FMT1
MC/SCL/DEMP
MD/SDA/MUTE
SCK
DATA1
BCK
LRCK
DGND
DATA2
DATA3
DATA4
MSEL
VDD
AGND2
AGND1
VOUT1
VOUT2
VOUT3
VOUT4
VOUT5
VOUT6
VOUT7
VOUT8
VCC2
VCC1
VCOM
5
V
OUT
6
Low-Pass Filter
Low-Pass Filter
Low-Pass Filter
Low-Pass Filter
Low-Pass Filter
Output Amp and
AGND2
V
CC
2
AGND1
V
CC
1
DGND
V
DD
ZR1/ZR1/FMT0
ZR2
BCK
LRCK
DATA1 (1, 2)
DATA2 (3, 4)
DATA3 (5, 6)
DATA4 (7, 8)
MS/ADR/FMT1
MC/SCL/DEMP
MD/SDA/MUTE
MSEL
SCK
8 x
Oversampling
Digital Filter
With
Function
Controller
DAC
Output Amp and
DAC
Output Amp and
V
OUT
7
V
OUT
8
Low-Pass Filter
Low-Pass Filter
IC267 : TC74VHCT08AFT
Quad 2-input AND gate
Vcc 14
4B
4A
4Y
3B
3A
3Y
1A 1
2
3
13
12
11
10
9
8
4
5
6
7
1B
1Y
2A
2B
2Y
GND
IC265 : PCM9211PTR
216-kHz digital audio interface transceiver (DIX) with stereo ADC and routing
PLL
DIT
MPO0/1
SELECTOR
MPIO_B
SELECTOR
MAIN
OUTPUT
PORT
ADC
Com. Supply
AUXIN1
ADC Standalone
ADC Mode
Control
MPIO_C
SELECTOR
OSC
SPI/I
2
C
INTERFACE
Reset and
Mode
Set
Divider
XMCKO
Divider
GPIO/GPO
Data
ADC
ANALOG
DIR
ANALOG
DIR
ANALOG
ALL
Function
Control
DIT CS
(48-bit)
DIR CS
(48-bit)
DIR
Interrupt
DIR
PC
and
PD
All Port
IS
Calculator
Is Calculator
DIR
IS Calculator
MPIO_A
MPIO_B
MPIO_C
MPO1
MPO0
REGISTER
POWER SUPPLY
XMCKO
(To MPIO_A and MPO0/1)
SBCK/SLRCK
(To MPIO_A)
Secondary SCK/LRCK
EXTRA DIR FUNCTIONS
Divider
Selector
ERROR DETECTION
Flags
Validity Flag
User Data
BFRAME Detection
Channel Status Data
Interrupt System
Non PCM DETECTION
DTS-CD/LD Detection
ADC Clock
(SCK/BCK/LRCK)
DIR
ADC
DITOUT
RECOUT1
AUXOUT
AUXIN2
RECOUT0
AUTO
DIR
ADC
DOUT
RXIN7
SCKO/BCK/LRCK
AUXIN0
AUXIN1
AUXIN2
Clock/Data
Recovery
Lock
Detection
Lock:DIR
Unlock:ADC
33
35
32
31
30
29
28
3
4
5
6
37
RXIN0
RXIN0
RXIN1
RXIN2
RXIN3
RXIN4
RXIN5
RXIN6
RXIN7
RXIN8
RXIN9
RXIN10
RXIN11 RECOUT0
RECOUT1 DITOUT
RXIN1
RXIN2
RXIN3
RXIN4/ASCKIO
RXIN5/ABCKIO
RXIN6/ALRCKIO
FILT
RXIN7/ADIN0
AUXIN0
MPIO_A0
MPIO_A1
MPIO_A2
MPIO_A3
SCKO
BCK
LRCK
DOUT
MPO0
MPO1
MPIO_B0
MPIO_B1
MPIO_B2
MPIO_B3
48
47
44
VINL
VINR
VCOM
7
8
9
10
MPIO_C0
MPIO_C1
MPIO_C2
MPIO_C3
39
40
25
24
34
27
46
23
26
XTI
XTO
MS/ADR1
MDO/ADR0
MC/SCL
MDI/SDA
RST
MODE
VCCAD AGNDAD VCC DVDD AGND DGND VDDRX
MPIO_A
SELECTOR
43
AUTO
DIR
ADC
AUXIN0
AUXIN1
AUXIN2
AUTO
DIR
ADC
AUXIN0
AUXIN1
AUXIN2
20
19
18
17
15
11
12
13
14
ERROR/INT0
NPCM/INT1
1
2
16
45 22
GNDRX
38 21 42 41 36
IC263 : R1191H050B-T1-FE
Voltage regulator
V
DD
CE
Pin No.
1
2
3
5
Symbol
V
OUT
GND
CE
V
DD
Description
Output Pin
Ground Pin
Chip Enable Pin ("H" Active)
4 ECO Low Power / Fast Mode Changer Pin
Input Pin
Vref
Thermal Protection
5 1
3 2
Short
Protection Reverse
Detector
V
OUT
GND
4
ECO
Peak
Current
Protection
IC264 : R1191H050D-T1-FE
Voltage regulator
V
DD
CE
Pin No.
1
2
3
5
Symbol
V
OUT
GND
CE
V
DD
Description
Output Pin
Ground Pin
Chip Enable Pin ("H" Active)
4 ECO Low Power / Fast Mode Changer Pin
Input Pin
Vref
Thermal Protection
5 1
3 2
Short
Protection Reverse
Detector
V
OUT
GND
4
ECO
Peak
Current
Protection
IC261, 262, 268 : BD9328FJ
1ch step-down DC/DC converter
IBIAS
ERR
FB
EN
BST
OUTPUT
VIN
SW
GND
OPEN
SHUTDOWN
COMP
SS
VREF
VREG
OSC
TSD
S
DRV
R
LOGIC
SLOPE
Soft Start
UVLO
VCC
5V
12V
7
5
PWM
OCP
LVS
LVS
6
8
4
3
2
1
DIR/ADC
DAC
to DIGITAL 3/5
to DIGITAL 2/5
to DIGITAL 2/5
to DIGITAL 2/5
to DIGITAL 3/5
to DIGITAL 1/5
to DIGITAL 2/5
to DIGITAL 5/5
No replacement part available.
サービス部品供給なし
No replacement part available.
サービス部品供給なし
No replacement part available.
サービス部品供給なし
to OPERATION (4)_CB196
(RX-V375/HTR-3066)
(HTR-2866)
Page 101 E4
to OPERATION (4)_CB196
Page 103 E4
to OPERATION (4)_CB195
(RX-V375/HTR-3066)
(HTR-2866)
Page 101 E3
to OPERATION (4)_CB195
Page 103 E3
to OPERATION (2)_CB131
(RX-V375/HTR-3066)
(HTR-2866)
Page 101 B8
to OPERATION (2)_CB131
Page 103 B8
RX-V375/HTR-3066 HTR-2866