Page 1
AV RECEIVER/AV AMPLIFIER
RX-V340/RX-V340RDS/
HTR-5630/HTR-5630RDS/DSP-AX340
SERVICE MANUAL
IMPORTANT NOTICE
This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.
It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already
known and understood by the users, and have therefore not been restated.
WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in personal
IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and
service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable
and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please
contact the distributor's Service Division.
WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have
IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons,
we advise all YAMAHA product owners that any service required should be performed by an authorized
YAMAHA Retailer or the appointed service representative.
recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form.
accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).
■ CONTENTS
TO SERVICE PERSONNEL .......................................... 2
FRONT PANELS........................................................ 3~4
REAR PANELS .......................................................... 4~7
REMOTE CONTROL PANELS...................................... 7
SPECIFICATIONS / 参考仕様 .................................. 8~11
INTERNAL VIEW ......................................................... 1 1
DISASSEMBLY PROCEDURES/分解手順 ......... 12~14
SELF DIAGNOSIS FUNCTION (DIAG)/
自己診断機能（ダイアグ）..................................... 15~35
100848
CONFIRMATION OF IDLING CURRENT/
アイドリング電流の確認 .............................................. 36
DISPLAY DATA ..................................................... 37~38
IC DATA ................................................................. 39~44
PRINTED CIRCUIT BOARD .................................. 45~53
PIN CONNECTION DIAGRAM .................................... 54
BLOCK DIAGRAM....................................................... 55
SCHEMATIC DIAGRAM ........................................ 56~60
PARTS LIST........................................................... 61~79
REMOTE CONTROL.............................................. 80~81
P.O.Box 1, Hamamatsu, Japan
HTR-5630/HTR-5630RDS/DSP-AX340
RX-V340/RX-V340RDS/
Page 2
A
BCDEFGHI JKL
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
SCHEMATIC DIAGRAM (DSP)
1
2.5 4.9
REGULATOR
3.4
4.9
0
2.5
2
4.9
0.2
0.2
0.2
0.2
4.9
0.9
3
0.2
0
4.9
0.8
0.8
0.8
3.1
1.7
1.1
1.7
1.7
1.6
4.9
0
0.2
0.2
0.2
0.2
0
0.2
0.2
0.2
0.2
2.2
2.2
2.0
~
~
~
~
~
0
2.5
4M DRAM
4
5
11
4.9
14
4
2.6
5
3
0
6
0.4
3.2
0
7
0
4.9
9
8
10
0
0
0
1
13
2
0
0
12
4.9
LEVEL CONVERT & SIGNAL DETECT
6
4.7 4.9
3.4
0
0
2.5
0.4
0
0
0
0
0
12
11
0.2
0
13
0.2
9
0
0
8
0
10
4.8
0.2
0.4
4.9
4.9
0
0
0.2
0
2.5
4.9
0
0
0
~
~
1.6
1.7~1.7~1.1
~
2.0
0.2
0.2
3.0
3.4
1.7
2.2
DSP
1
3.4
0
0
1.6
0.7
0
00000
0.3
0.3
0.3
0.3
1.1
0
1.9
2.0
PLD
Page 60
G3 Page 57
to MAIN (1)
0
0.2
0.2
0.2
0.2
4.9
3.4
0.2
0.2
3.4
0.8
0.8
0.8
0.9
1.9
0
0
0
0.3
0.2
0.2
0.2
0.2
2.5
0
0
3.4
3.4
0
0
4.9
4.9
3.4
1.3
0
0
1.7
1.7
1.7
2.5
0
1.3
3.4
3.4
DECODER
G1
to FUNCTION (1)
0
0
0
0
3.4
3.4
Point 1 Pin 1 of IC803
000
0
0
0
1.7
1.7
0
0
5
0
0
4
4.9
4.9
1.3
1.9
3.4
6
0
IC801: MSM514260E-60JS
4Mbit DRAM
Timing
14
RAS
Generator
29
LCAS
28
UCAS
Column
9
Address
Buffers
Internal
Address
Counter
Row
Address
Buffers
1
3
1
2
Amp.
ADC HPF
ADC HPF
DAC DA TTLPF
DAC DA TTLPF
DAC DA TTLPF
DAC DA TTLPF
DAC DA TTLPF
DAC DA TTLPF
DAC DA TTLPF
DAC DA TTLPF
9
VBB Generator
3
Controller
36
Compressed
Data Input
Interface
Digital
Audio
Input
Interface
PLL
Clock Manager
32
FILT233FILT1
Refresh
Control Clock
Row
Deco-
ders
On Chip
JTAG
I/O
Blocks
Driver
RESET
34VA35
A0~A8
9
20
VCC
21
VSS
IC802: XC9572XL-10TQ100C
CPLD
JTAG Port
I/O
I/O
I/O
I/O
x: NOT USED
O: USED / APPLICABLE
4.9
2.52.5 4.90
2.5
2.5
0
4.9
4.9
0
000
2.5
2.5
2.5
0
2.5
2.5
2.5
2.5
2.5
2.5
MAIN L
12.0
3
8
0
0
2
1
0
0
0
6
5
7
4
0
-11.9
1.7
4.9
4.9
A/D
0
4.9
4.9
4.9
4.9
CENTER
12.0
3
8
0.1
0
2
0
1
0
0
5
0
7
4
6
-11.9
I/O
I/O
I/O
I/O
I/O/GCK
I/O/GSR
I/O/GTS
IC804: µPC29M33T-E1
Voltage Regulator
Starter Circuit
Standard Voltage
Overheat Protection
IC805: CS493292-CLR
Audio Decoder
LRCLKN1
SDATAN1
RIN
CLKIN
CLKSEL
27
28
29
25
26
22
30
31
AK4529
CMPDAT, SDATAN2, RCV958
CMPCLK, SCLKN2
CMPREQ, LRCLKN2
SCLKN1, STCCLK2
IC806: AK4529VQ
96kHz 24Bit Multi-channel CODEC
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
LOUT4
ROUT4
9
Word
Drivers
Protection
Sudden Current
Excessive Electric
Current Protection
DATA6, EMAD6, GPIO6
DATA7, EMAD7, GPIO7
9
8
Frame
Shifter
Input
Buffer
Controller
RAM Input
Buffer
AGND
Audio
I/F
MCLK
LRLK
BILK
SDOUT
SDIN1
SDIN2
SDIN3
SDIN4
WE
13
In-System Programming Controller
Safety Drive
DATA5, EMAD5, GPIO5
10
Format
Converter
OE
27
I/O
Controller
I/O
Controller
Column Decoders
Sense Amplifiers
Memory
Cells
54
18
54
18
54
18
Fast CONNECT II Switch Matrix
54
18
Limiter
DATA1, EMAD1, GPIO1
DATA2, EMAD2, GPIO2
DATA3, EMAD3, GPIO3
DATA4, EMAD4, GPIO4
16
15
14
11
Parallel or Serial Host Interface
24-Bit
DSP Processing
RAM
RAM
Program
Data
Memory
Memory
RAM
RAM
Program
Data
Memory
Memory
STC
24
23
VD312VD21VD1
DGND313DGND22DGND1
MCLK
LRLK
BILK
DAUX
SDOS
SDTO
SDTI1
SDTI2
SDTI3
SDTI4
16 16
1
3
2
17
8
8
I/O
Selector
8
8
Function
Block 1
Macrocells
1 to 18
Function
Block 1
Macrocells
1 to 18
Function
Block 1
Macrocells
1 to 18
Function
Block 1
Macrocells
1 to 18
INPUT
OUTPUT
GND
RD, R/W, EOME, GPIO11
WR, DS, EMWR, GPIO10
SCDIO, SCDOUT, PSEL, GPIO9
18CS5
4
RAM Output
Buffer
RX1 RX2 RX3 RX4
XTI
XTO
NCKO
LRCK
AK4112A
BICK
SDTO
LRCK
BICK
SDIN
SDOUT1
SDOUT2
SDOUT3
SDOUT4
A0, SCCLK6A1, SCDIN20ABOOT, INTREQ
19
7
DIR
AC3
DATA0, EMAD0, GPIO0
Output
Buffers
Input
Buffers
Input
Buffers
Output
Buffers
Output
Formatter
8
8
8
8
EXTMEM, GPIO8
21
37
DD
38
DC
44
MCLK
43
SCLK
42
LRCLK
39
AUDATA2
40
AUDATA1
41
AUDATA0
3
AUDATA3,
XMT958
DQ1~DQ8
DQ9~DQ16
VCC
A6
A5
Y5
A4
Y48
A11
A1
IC808: TC74HCT08AF
Quad 2-Input And Gate
SENSE AMPS
POWER
DOWN
A0
1A 1
1B 2
1Y 3
2A 4
2B 5
2Y 6
GND 7
Vcc14
4B13
4A12
4Y11
3B10
3A9
3Y8
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
IC807 : MM74HCU04SJX
REAR L
7
256K
12.0
3
8
0.1
0
2
0
1
SRAM
0
0
14
4.9
1
0
0
3
0
2
7
0
IC809, 810, 811: NJM2068MD
Dual OP-Amp
8
J model only
OUT1
–IN1
+IN1 –IN2
–VCC
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
56
9
★ Schematic diagram is subject to change without notice.
6
7
0
4
5
-11.9
IC812: PQ025EZ5MZP
Regulator
1
1
2
–+
3
4
–+
+VCC
8
OUT2
7
6
5
+IN2
Vin
GND
3
Vo
2
Vc
5
Hex Inverters
1
A1
2
Y1
3
A2 Y6
4
Y2
5
A3
6
Y3
GND
7
IC813: CY62556LL70SNCT
256K Memory
INPUTBUFFER
A10
A9
A8
A7
A6
A5
A4
ROW DECODER
A3
A2
CE
WE
OE
14
13
12
11
10
9
512 x 512
ARRAY
COLUMN
DECODER
A14
A13
A12
Page 3
ABCDEFGH I JKL
SCHEMATIC DIAGRAM (FUNCTION 1/2)
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
Page 60
1
E1 Page 56
to MAIN (1)
2
INPUT/
REC OUT
SELECTOR
3
4
0
0
0
0
0
0
0
-7.0
0
0
0
7.0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
00
0
12.0
7.0
7.7
7.7
0
0
-7.7
-7.7
-7.0
-11.9
to DSP
F1
0
0
0
12.0
0
0
0
A5
Page 59
to MAIN (1)
0
0
0
0
0
-11.9
0
0
0
6
0
0
0
0
0
0
0
0
000
12.0
0
0
0
0
0
5
MUTE
0
0
-11.8
0
-11.8
0
0
0
0
0
0
PROCESSOR
0
AUDIO
SOUND
0
0
0
0
0
0
0
0
0
0
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-11.9
0
0
0.2
0
12.0
12.0
0
000
0
0
-11.9
7.0
0
-7.0
0
7
IC101: BD3841FS
Function Switch
DGND
CL
DA
VEE
BIAS
VCC
RECA1
RECA2
RECB1
RECB2
RECC1
RECC2
OUT1
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
OUT2
INI1
INI2
LOGIC
+–+
–
F-SW2
8
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
F-SW1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
INA1
INA2
INB1
INB2
F-SW1: INPUT FUNCTION 1
*
F-SW2: INPUT FUNCTION 2
INC1
INC2
IND1
IND2
INE1
INE2
INF1
INF2
+–+
ING1
–
ING2
INH1
INH2
★ Schematic diagram is subject to change without notice.
9
IC102: BD3815KS
Audio Sound Processor
INFRA
INFLA
INSWA
INSRA
INSLA
INCA
INSBA
INFRB
INFLB
INSWB
INSRB
INSLB
INCB
INSBB
GOUTFL
VINFL
GOUTFR
VINFR
TNFR
TNFL
BNF1R
BNF2R
BNF1L
BNF2L
VINC
GND2
GND10
+
–
+
–
+
–
+
–
+
–
+
–
+
–
PORTA
42 41 40 39 38 37 36 35 34 33 32 31 30 29
INVINSR
SW3
A
B
GOUTSL
TONE
VINSL
GOUTC
43
44
SW1
A
45
B
46
A
B
47
48
A
B
49
50
A
B
51
A
52
B
A
53
B
54
A
B
55
56
1 2 3 4 5 6 7 8 9 10 11 12 13 14
GND1
A
B
A
B
GOUTSW
SW2
VINSW
+
–
+
–
+
–
+
–
+
–
+
–
GOUTSR
OUTFR
LOGIC
PORTB
GND9
DA
OUTFL
CL
IC104: LC78213
Analog Function Switch
L1
LCOM1
LCOM2
LCOM3
LCOM4
V
VSS
VEE
RES
1
L2
2
3
L3
4
L4
5
6
L5
7
L6
8
9
L7
10
11
DD
19
16
12
18
S
17
LEVEL SHIFTER
LATCH
SHIFT REGISTER
28
GND8
27
OUTSW
26
GND7
25
OUTSR
24
GND6
23
OUTSL
22
GND5
21
OUTC
20
GND4
19
OUTSB
18
VCC
17
GND3
16
VEE
15
VDD
R1
30
R2
29
RCOM1
28
R3
27
R4
26
RCOM2
25
R5
24
R6
23
RCOM3
22
R7
21
RCOM4
20
ZZ
D1
14
ZZ
CL
15
CONTROL
ZZ
CE
13
IC105, 106: NJM2068MD
Dual OP-Amp.
1
OUT1
2
–IN1
+IN1 –IN2
–VCC
–+
3
4
–+
+VCC
8
OUT2
7
6
5
+IN2
57
Page 4
A
BCDEFGHI JKL
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
SCHEMATIC DIAGRAM (FUNCTION 2/2)
1
FL DISPLAY
-27.3
-27.3
-27.3
-27.3
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-23.3
-23.3
-27.4
-27.4
-27.4
-14.1
-3.7
-3.7
-19.3
-15.7
-11.3
-15.8
-22.3
-19.3
-26.6
-26.6
-29.2
-12.4
-21.9
-29.1
-24.0
-26.7
-10.7
-20.9
-19.8
-20.1
-24.6
-13.3
-19.9
-29.1
-26.6
-29.1
-13.3~-29.1~-29.1
-14.7
-29.2
~~~
-21.0
-23.3
-23.3
2
-15.8
-22.3
-19.3
-26.6
-26.6
-29.2
4.9
4.9
IC581: LC75712E FLD
FL Display Driver
-14.7-13.3
1
AM1
2
AM2
ANODE DRIVER
35
AM35
36
AA1
37
AA2
38
AA3
39
AA4/G16
40
AA5/G15
41
AA6/G14
42
AA7/G13
43
AA8/G12
44
G11
45
G10
GRID DRIVER
53
G2
54
G1
LATCH
ROM
RAM
RAM
CG
CG
AD
LATCH
DECODER
64
VDD
VSS
VFL
RES
TEST
OSCI
OSCO
DI
63
CL
62
CE
60
57
55
61
56
59
58
CONTROL
OSC
SHIFT REGISTER
ADDRESS
REGISTER
BLINKCYCLE
REGISTER
DISPLAY
REGISTER
DUTYCYCLE
REGISTER
GRID
REGISTER
INSTRUCTION
DECODER
DIVIDER
DC
RAM
ADDRESS
COUNTER
BLINK
GENERATOR
DISPLAY
CONTROL
DUTY
GENERATOR
GRID
CONTROL
CONTROL
TIMING
GENERATOR
-21.0
-19.5
-20.9 -12.4
4.9
-20.1
0.1
-24.6
-13.3
-19.9
-29.1
-26.6
-29.1
-13.3
~
-29.1
~
-29.7
-14.7
-29.2
~
~
~
-13.3
-11.3
-15.7
-19.3
-10.9
-29.1
-29.1
-24.0
-26.7
-20.9
-19.5
-19.8
-3.7
-3.7
-14.1
-27.3
-27.3
-27.4
3
4.9
-27.4
4.9
-27.3
-27.3
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
-27.4
FL DISPLAY
DRIVER
-27.3
-27.3
-27.3
-27.3
-29.9
2.5
2.5
4.9
0
0
0
4.9
-14.7
4.94.9
-10.9
-23.8
-29.8
x: NOT USED
O: USED / APPLICABLE
4
5
IR REMOTE
4.904.9
23.1
-0.1
-0.1
12.0
23.0
0
5.0
12.3
0
-24.1
6
AC 37.1
AC 10.7
AC 5.8
G2
to MAIN (1)
Page 60
-11.9
0
-24.9
12.6
5.8
5.6
0
7
POWER SUPPLY
B7
Page 60
to MAIN (1)
8
★ All voltages are measured with a 10MΩ/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.
58
9
IC652: KIA7812PI
IC654: KIA7805PI
Voltage Regulator
R1
Q12
R12
R11
Z1
R13
Q13
Q2
R22 R23R17
Q11
Q14
Q17
R19
Q18
Q1
R18
R2
R3
Q3Q4Q5 Q9
R4
R5
Q6
C1
Q7
R6R7R8
Q19
Q11-1
R10R9R15
Q8
Q10
Q15
Q16
R14
R16
R20
R21
1
3
2
INPUT
OUTPUT
COMMON (GND)
IC653: KIA7912PI
Voltage Regulator
Q28 Q17
Q29
R1
Q30
R14
Q2
Q3
R0
Q4
Q5
R15 R18
R16
Q18
R17
Q7
Q6
R2
R22
R21
Q21
Q22 Q24
Q19
Q23
R20
Q20
Q31
R19
Q25
R26
Q26 Q27
Q8
Q9
R3
R23
R24
R25
Q12 Q13
Q26-1
Q27-1
C2 C1
R4 R5 R6
Q10
Q14
D4
Q15
R9
Q11
R7
1 GND
R12R13
R11
R10
OUTPUT
3
Q16
R8
INPUT
2
Page 5
ABCDEFGH I JKL
SCHEMATIC DIAGRAM (MAIN 1/2)
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
1
L CH POWER AMP.
-11.8
0
0
0
0
2
-11.8
MUTE
3
-0.1
40.7
-0.1
40.7
-39.3
40.7
42.1
0
000
0
42.1
-41.9
-40.6
-0.1
41.8
41.3
41.3
22.3
22.3
0
0
-0.1
0
0
0
0
42.0
0
41.9
0
0
000
0
41.9
0
0
00000
4.9
0
DETECT
0
0
4.9
0
00
00
R CH POWER AMP.
000
0
0
40.7
-0.1
-0.1
MUTE
4
K4
Page 57
to FUNCTION (1)
-11.8
-11.8
0
0
0
0
-39.3
42.1
-41.9
-40.6
0.1
-0.1
41.9
0
0
0
0
x: NOT USED
O: USED / APPLICABLE
5
10.7
0
10.4
POWER RELAY
-41.8
-41.8
41.9
-41.3-40.6
-41.3
-41.8
0
0
-41.9
-41.8
0
0
CENTER POWER AMP.
0
0.1
42.1
0.1
0
0
0
41.9
0.1
0.1
0
D1
Page 60
6
7
MUTE
-11.8
0
0
0.5
40.2 1.1
40.7
40.1
0
1.2
0
0.1
0.1
12.0
-40.6
-1.1
39.6
39.6
-10.6
SPEAKER RELAY
10.7
0.1
10.4
10.4
10.7
10.6
10.4
-10.6 -10.6
-40.6
10.6
-29.8
-30.5
-30.5
0
14.1
0.1
0.1
0.8
0.1
0
6.5
6.506.6
14.114.1
6.6
0
AC 13.7
POWER SUPPLY
42.1
IC301: STK404-120
0
-41.8
0
AC 62.1
1ch Audio Power IC
IC302, 303: STK402-120Y
2ch Audio Power IC
4
8
1
2
8
13
5
12
7 6
10 11 14 15
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
9
★ Schematic diagram is subject to change without notice.
9
59
Page 6
A
BCDEFGHI JKL
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
SCHEMATIC DIAGRAM (MAIN 2/2)
1
0
0
14.1
000
0.8
0.1
0
4.9
-29.8
2
0
0
Page 57
to FUNCTION (1)
12.0
-11.9
-11.8
00000
F1Page 59 A6
INPUT
G6Page 56
Page 58
to FUNCTION (4)
SELECTOR
3.9
0
12.0
3.9
3.9
3.9
6.2
4.9
4.9
4.9
4.9
-11.8
0.1
0.1
0.1
0
0.1
12.1
4.9
5.6
3
5.6
0
12.1
2.2
2.2
5.8
5.2
4.4
4.9
1.8
2.2
00
0
2.2
2
1.9
-11.8
-11.8
4.9
4.9
E1
4.9
4.9
to DSP
12.0
6.3 6.3
6.3
5.6
6.9
7.3
0
0
LEVEL SHIFT
0
0
0
0
4.9
4.9
SPEAKER RELAY DRIVE
0
0
0
4.9
0
4.9
0
0
1.2
1.2
4
4.9
14.0
5.6
6.2
6.2
0
A
14.0
0
5
13.4
7.4
6.9
0
4.95.6
5.6
4.9
4
B
4.9
0
0
0
0
POWER DETECTOR
/RESET
4.9
1.2
0
5.1
0
4.9
4.9
0.8
0
0
1.2
0.5
0
4.9
0.8
0
0
0.5
0.5
0
0
4.9
4.9
4.9
1.2
0
4.9
4.9
0.8
4.9
4.9
4.9
0.5
0
0
MICRO COMPUTER
0.1
4.9
4.9
4.9
0
3
4.9
2.4
0
2.3
4.9
5.0
5.0
0
0
0
4.9
0
5.0
5.0
0
0
0
0.9
5.0
4.9
4.9
4.9
0
0
4.9
4.9
0.4
4.9
4.9
0
4.9
0
0.9
4.9
4.9
4.9
4.9
0.3
4.9
0
0
0
0
0
6
7
IC281: LA7956
Page 58
C8
to FUNCTION (2)
Video Switch
Point 2 Pin 12 of IC471 Point 3 Pin 13 of IC472 Point 4 Emitter of Q472 and collector of Q475
DRIVER
8
A
★ All voltages are measured with a 10MΩ/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.
60
9
B
(Connect the power cable)
POWER ON
POWER OFF
(Disconnect the power cable)
123456789
VIDEO
OUT
x: NOT USED
O: USED / APPLICABLE
6dB
AMP
CONTROL
4 INPUT 1 OUTPUT
VIDEO SWITCH
A B VIN1 GND VIN2 VCC VIN3 VIN4
IC471: LC72722
RDS Decoder
VDDA
3
REFERENCE
VOLTAGE
VSSA
4
DO
CE
CL
DI
T1
T2
T3
T4
2
20
21
22
23
7
8
9
10
ANTIALIASING
MPX IN
VREF
1 5 6
57kHz
CCB
TEST
T5T6T7
bpf
(SCF)
(24 BLOCK DA TA)
FILTER
11 16 17 13 12
RAM
MEMORY
CONTROL
FL OUT
VREF
SMOOTHING
FILTER
ERROR CORRECTION
C IN
+
(SOFT DECISION)
CLK(4.332MHz)
OSC/DIVIDER
X IN
PLL
(57kHz)
X OUT
CONTROLLER
SYNC
DETECT-1
CLOCK
RECOVERY
(1187.5Hz)
DATA
DECODER
SYNC/EC
DETECT-2
SYNC
14
15
19
18
24
VDDD
VSSD
RDS-ID
SYNC
SYR
Page 7
ABCDEFGH I JKL
BLOCK DIAGRAM
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
1
• See page 60 → SCHEMATIC DIAGRAM
MAIN
DVD
D-TV/CBL
2
VCR
VIDEO INPUTVIDEO
V-AUX
VCR
REC OUT
Q281-283
3
DVD
LEVEL
CD
CONVERT
&
SIGNAL DETECT
4
CD L/R
INPUT
SELECTOR
IC281
156
9
MAIN
u-COM
INPUT
SELECTOR
4M DRAM
IC801
DIR
DSP IC803
YSS938
A/D
AK4529VQ
IC806 1/2
MONITOR
DOLBY
PROLOGIC
II
/
DOLBY
DIGITAL
/
DTS
DECODER
• See page 56 → SCHEMATIC DIAGRAM
XL801
24.576MHz
12
SOUND FIELD
PROCESSING
/
SPEAKER
CONFIGURATION
/
VIRTUAL
PROCESSING
/
HEADPHONE
PROCESSING
DTS-ES
DECODER
CS493292
IC805
27,28
21,22
23,24
DSP
D/A
C/SW
D/A
ML/MR
D/A
RL/RR
IC806 2/2
AK4529VQ
PLD
IC802
IC810
IC809
IC811
MEMORY
IC813
J model only
C889,895
C890,896
C888,894
• See page 58 → SCHEMATIC DIAGRAM
FUNCTION
IR REMOTE
U581
STANDBY/ON
SW603
VOLUME
SW581
KEY
SW582~602
FL DISPLAY
V581
+5FL
FL DRIVER
IC581
DRIVE TR
Q581,582,585,
586,588,591
20
19
24,25
94,95
1,2,3,100
• See page 60 → SCHEMATIC DIAGRAM
PRV THM
97 92
MICRO
COMPUTER
IC472
13 15
XL472
16MHz
MAIN
82
83,85
48,49,51
87
91
12
16,62
86
90
SERIAL CONTROL
POWER RELAY
SPEAKER RELAY
MUTE CONTROL
POWER LIMIT
POWER LIMIT DETECT
RESET
+5M
I PROTECT
DC PROTECT
DSP
TUNER
SELECTOR
VOLUME
C686
RY681
F681
C357
D327
C358
• See page 58 → SCHEMATIC DIAGRAM
FUNCTION
C663
C664
C665
C666
D651
C349C350
-30
Q318
PowerLIMIT
Q306,307 +BV
Q309-311 -BV
R655
IC652
+12
Q474 +5B
C660C661
Q101 +7
Q102 -7
+B
G
-B
-VP
+RY
+12
G
MD/CD-R L/R
DAL/DAR
INPUT
SELECTOR
5
6
FM/AM
TUNER
(12)
7.2MHz
DVD L/R
D-TV/CBL
V-AUX L/R
VCR L/R
MD/CD-R L/R
/RECOUT
SELECTOR
IC101
ADL/ADR
SELL/SELR
50,51
52~55
6ch SELECTOR
6ch INPUT GAIN CONTROL
43~48
Tone Control
6ch VOLUME
IC102
BD3815KS
AUDIO SOUND
PROCESSOR
MAIN
29,31
Bass/Treble
RL/RR
23,25
C
21
SW
27
IC104
CENTER:NONE
IC104
BASSOUT:MAIN
90Hz
HPF
IC104
IC106
21
-
3/5
2/6
IC105
+
-
1/7
MUTE
Q301,302
L R
MUTE
Q303,305
R L
MUTE
Q304
MAIN
L/R
RL/RR
C
LEVEL
SHIFT
Q477
LEVEL
SHIFT
Q478
Lch IC302
Rch IC303
Power
Amp.
Lch IC302
Rch IC303
Power
Amp.
IC301
Power
Amp.
THM
DETECT
Q312-317
I PROTECT
SPEAKER
RELAY
RY302
RELAY
DRIVE
Q480,319
RY301
RY303
RELAY DRIVE
Q481,320,321
C772,773
SW771
SPEAKER
RELAY
C356
DETECT
Q322
POWER
DETECT
PHONES
MAIN L/R A
MAIN L/R B
RL/RR
C
C668
D652
C659
-12
IC653
IC654
+5
+5D2
+3.3
R654
+2.5
IC804
IC812
-12
-RY
+5D1
+3.3
+2.5
FL1
FL2
VCR L/R
7
IC106
MAIN L/R
CENTER
SUB
WOOFER
6CH INPUT
SURROUND
L/R
8
• See page 57 → SCHEMATIC DIAGRAM
SW
57
MUTE
Q251,252
SW
LEVEL
SHIFT
Q479
MUTE
CONTROL
FUNCTION
9
SPEAKER
RELAY
C252
SW
• See page 59 → SCHEMATIC DIAGRAM
MAIN
T681
C684
C685
Q682-685
D683,684,686,687
Q681
POWER
RELAY
Power Detector
/Reset
Q472,475
RESET
POWER
DETECT
Q473
+5FL
Q471
+5M
+5FL
+5M
MG
55
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