Yamaha RX-V3800 - AV Receiver, Service Manual

Page: 52 / 99

IC601
IC602
IC602
IC602
IC602
IC602
IC602
IC614
IC614
IC614
IC604
IC605
IC605
IC613
IC611
IC610
IC617 IC616 IC615
IC614 CB601
IC609
W603
W605
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-V3800/DSP-AX3800
142
★
All voltages are measured with a 10M
Ω
/V DC electronic voltmeter.
★
Components having special characteristics are marked
s
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
NET 1/2
0.1
0 3.3
1.2
0.1
0.1
0.2
3.3
3.3
3.3
3.3
3.3
0.1
0.1
0.1
0.1
0.1
0.1
0.1
3.3
3.3
0.1
0.2
0.1
1.3
0
0
3.3
3.3
0.2
0.2
0.1
0
0
0.1
0.1
0.7
0.1
0.2
3.3
3.3
3.3
3.3
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
1.6
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.4
3.3
3.3
3.3
0.1
0.1
0.1
0.1
0.1
0.1
1.7
1.7
1.7
1.7
0
3.3
3.3
0
0
0
0
0.3
0
1.7
3.3
0
0
0
0
0.3
0
1.7
3.3
0.1
0.1
0.1
0.1
3.3 3.3 3.3
2.2
3.3
0.3
3.3
1.7
0.3
3.3
3.3
3.3
0.1
0.1
0.7
1.3
3.3
3.3
3.3
3.3
0
0.2
0.2
0.2
0.2
0.2
1.2
0
0
0
0.1
0.1 0.1 3.3
3.3 0.1 0.1 0.1 0.1 0.1 0.1 3.3 3.3 1.9 1.9 3.3
0 0 0 0 0 0
0.1 0.1 0.1 0.1
0.1 0.1 0.1 0.1 0.1 0.1
0.1
0.7 0.7 0.7 0.7
0.1 0.1 0.1 0.1
3.3 1.7 1.7 3.3 3.3 3.3 3.3
3.3 3.3 3.3 3.3
0.1
0.1 0.1 0.1 0.1 0.1 0.1
0.1 0.1 0
1.9 3.3 3.3 1.9
0.7 2.2
3.3
0 0 2.6 2.6 0.1 0.1 1.2 0.4 0.2 0.1
0.1
0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.1 0.1 1.3
0.1
0 0 0 3.9
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
3.3
3.3
3.3
3.3
3.3
3.1
3.1
3.1
3.1
3.1
3.3
1.6
0.7
0.2
3.3
3.3
3.3
3.3
3.3
3.3
0.1
0.8
0.8
3.3
3.2
3.3
3.3
0.9
3.3
3.3
0
0
1.9
0
0
0
0
0
1.8
1.8
3.3
1.7
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
3.3
3.3
1.9
3.3
3.3
3.3
1.9
0.1 0.1
0
~
~
5.0
5.0
0
5.0
3.3
3.3
3.3
3.3
3.3
5.0
5.0
5.0
1.8
0.8
0.9
0
3.3
3.3
1.8
3.3 1.8
0
1.7
0
0
0
3.3
0
3.3
3.3 3.3
0.1
3.3
3.3 3.2
0
0
3.3
0
0
3.3
3.3
0
0
3.3
3.3
0
3.3 3.3
11.7
3.3
11.8
11.8
3.3 3.3
3.3
3.3
3.3
0
3.3
0
A-3
B-1
No replacement part available.
サービス部品供給なし
to NET 2/2
128 M-bit SDRAM
MICROPROCESSOR
(NET)
LOGIC for AUDIO CLOCK
POWER DISTRIBUTION
SWITCH for USB
RESET CIRCUIT
REGULATOR
32 M-bit FRASH-ROM
to FUNCTION (1)_CB408
P
age 126
G9
to DSP_CB531
Page 124 J1
to OPERATION (7)_CB814
Page 130 J5
POINT B-1 Pin 118 of IC610 POINT A-3 Pin 2 of IC605
IC602 : SN74LVC14APWR
Hex schmitt trigger inverters
1A
1Y
2Y
VCC
6A
1
2
3
4 11
2A 6Y
5A
12
13
14
3A
3Y
5Y
4A
5
6
7 4Y 8
9
10
GND
1
DC input
(Vin)
GND
DC output
(Vo)
3
5
IC604 : PQ018EZ01ZP
Voltage regulator
ON/OFF control
(Vc)
2
IC
IC605 : SN74LVC1GU04DCKR
Single inverter
1
2
3
5
4
NC
A
GND
V
CC
Y
IC609 : MIC2026-2BM
Dual-channel power distribution switch
ENA
FLGA
ENB
OUTA
IN
1
2
3
4 5
6
7
8
OUTB
OUTB
FLGB
GND
GND
ENB
6
5
IN 7
OUTA
8
FLGB 3
4
ENA 1
FLGA 2
THERMAL
SHUTDOWN
OSC.
CHARGE
PUMP
CHARGE
PUMP
GATE
CONTROL
THERMAL
SHUTDOWN
CURRENT
LIMIT
1.2V
REFERENCE
FLAG
RESPONSE
DELAY
FLAG
RESPONSE
DELAY
GATE
CONTROL
CURRENT
LIMIT
A
2
B
3
C
4
D
5
ENP
6
GND LOAD
ENT
QD
QB
QC
ROC
VCC
QA
7
8
IC615, 616 : SN74LV163APWR
4-bit synchronous binary counters
CLR
CLK
1
15
14
13
12
11
10
9
16
D
6
QD
11
QC
12
QB
13
QA 14
RCO
15
C
5
B
4
A 3
CLK 2
CLR
1
ENT 10
LOAD 9
ENP
7
CK
CK
R
LD
LD
M1
G2
G4
3D
4R
1,2T/1C3
M1
G2
G4
3D
4R
1,2T/1C3
M1
G2
G4
3D
4R
1,2T/1C3
M1
G2
G4
3D
4R
1,2T/1C3
2CLR 13
2D 12
2CLK 11
2PRE 10
2Q 9
2Q 8
1D 2
1CLK 3
1PRE 4
1Q 5
1Q 6
GND 7
IC617 : SN74LV74APWR
Dual positive edge triggered D-type flip flop
Vcc 14 1CLR 1
Vref
Vout
SUB
GND
V
DD
N.C.
2
1
5
4 3
–
+
IC601 : BD4830FVE-TR
Voltage detector IC
Serial
Audio
Interface
(2) UARTs
w/
IrDA
(2) USB
Hosts
Boot
ROM
SRAM &
Flash I/F Unified
SDRAM I/F
Bus Bridge
Clocks &
Timers
Interrupts
& GPIO D-Cache
16KB
I-Cache
16KB
12 Channel DMA
MaverickKey
Processor Bus
Peripheral Bus
ARM920T
MMU
MEMORY AND STORAGE
COMMUNICA
TIONS POR
TS
USER INTERF
A
CE
TM
Ethernet
MAC
IC610 : EP9301-CQZ
System on chip processor
A15
A14
A13
A12
A11
A10
A9
A8
A19
A20
WE#
RESET#
NC
WP#/ACC
RY/BY#
A18
A17
A7
A6
A5
A4
A3
A2
A1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
A16
BYTE#
GND
Q15/A-1
Q7
Q14
Q6
Q13
Q5
Q12
Q4
VCC
Q11
Q3
Q10
Q2
Q9
Q1
Q8
Q0
OE#
GND
CE#
A0 48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
MX29LV320C/B
CONTROL
INPUT
LOGIC
PROGRAM/ERASE
HIGH VOLTAGE
WRITE
STATE
MACHINE
(WSM)
STATE
REGISTER FLASH
ARRAY
X
-D
E
C
O
D
E
R
ADDRESS
LATCH
AND
BUFFER
Y-PASS GATE
Y-DECODER
ARRAY
SOURCE
HV
COMMAND
DATA
DECODER
COMMAND
DATA LATCH
I/O BUFFER
PGM
DATA
HV
PROGRAM
DATA LATCH
SENSE
AMPLIFIER
Q0-Q15/A-1
A0-A20
CE#
OE#
WE#
RESET#
BYTE#
IC613 : MX29LV320CBTC-90G
32 M-bits single voltage 3 V only flash memory
IC614 : 74LCX07MTCX
Low voltage hex buffer with open drain outputs
A0
O0
O1
VCC
A3
1
2
3
4
A2
O2
A4
A5
5
6
7
14
13
12
11
10
9
8 O5 GND
A1
O3
O4
IC611 : K4S281632I-UC75000
128 M synchronous DRAM
Bank Select
CLK
Row Decoder
I/O Control
Output Buffer
Sense AMP
Address Register
Data Input Register
Column Decoder
Latency & Burst Length
Programming Register
8M x 4 / 4M x 8 / 2M x 16
8M x 4 / 4M x 8 / 2M x 16
8M x 4 / 4M x 8 / 2M x 16
8M x 4 / 4M x 8 / 2M x 16
Col. Buffer
Row Buffer
Refresh Counter
ADD
LCKE
LRAS
CLK
LRAS LCAS
Timing Register
LCBR LWE LDQM
DQi
LDQM
LWE
LWCBR
CKE CS
LCBR
WE L(U)DQM RAS CAS
1 V
DD
V
SS
V
SS
V
SS
N.C/RFU
UDQM
CLK
CKE
N.C
A11
A9
A8
A7
A6
A5
A4
V
SSQ
V
SSQ
V
DDQ
V
DDQ
DQ15
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
V
DD
V
DDQ
V
DD
V
DDQ
V
SSQ
V
SSQ
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
LDQM
WE
CAS
RAS
CS
BA0
A0
A1
A2
A3
BA1
A10/AP1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
54
53
52
51
50
49
48
47
46
45
44