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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
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.
IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or
recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form.
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
accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).
IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
s CONTENTS
TO SERVICE PERSONNEL .......................................... 2 CONFIRMATION OF IDLING CURRENT
HTR-5630/HTR-5630RDS/DSP-AX340
FRONT PANELS ........................................................ 3~4 36
REAR PANELS .......................................................... 4~7 DISPLAY DATA ..................................................... 37~38
REMOTE CONTROL PANELS ...................................... 7 IC DATA ................................................................. 39~44 RX-V340/RX-V340RDS/
SPECIFICATIONS / 8~11 PRINTED CIRCUIT BOARD .................................. 45~53
INTERNAL VIEW ......................................................... 11 PIN CONNECTION DIAGRAM .................................... 54
DISASSEMBLY PROCEDURES ......... 12~14 BLOCK DIAGRAM ....................................................... 55
SELF DIAGNOSIS FUNCTION (DIAG) SCHEMATIC DIAGRAM ........................................ 56~60
15~35 PARTS LIST ........................................................... 61~79
REMOTE CONTROL .............................................. 80~81
100848
P.O.Box 1, Hamamatsu, Japan
A B C D E F G H I J K L
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
SCHEMATIC DIAGRAM (DSP) Page 60 G3 Page 57 G1
1 to MAIN (1) to FUNCTION (1) IC801: MSM514260E-60JS
4Mbit DRAM
WE OE
13 27
Timing
RAS 14
Generator
I/O
Controller
LCAS 29
Output 8
UCAS 28
I/O
8
Buffers
Controller
DQ1~DQ8
Column
9 Address 9 Column Decoders Input 8
8
Buffers Buffers
Internal I/O
Refresh Sense Amplifiers 16 16
A0~A8 Address Selector
Control Clock
Counter
Input 8
8
2.5 4.9 Buffers
Row
9 9
Row
Address Word Memory DQ9~DQ16
Deco-
Buffers Drivers
REGULATOR ders Cells
Output
8 8
Buffers
3.4 4.9 VCC 20
On Chip
0 2.5 4.7 4.9 VBB Generator
2 2.5 3.4
0
4.9 VSS 21
0 0
IC802: XC9572XL-10TQ100C
CPLD
3
JTAG Port JTAG In-System Programming Controller
1 Controller
54 Function
I/O Block 1
18
I/O Macrocells
1 to 18
2.0
0.2
0.2
3.4
3.0
0.2
0.2
0.2
~
1.7
1.7
~
1.1
~
~
3.4
0
0.2
0.2
0.2
1.6
~
1.7
2.2
I/O
0
0
4.9
0.8
0.8
0.8
0.9
0.2
0.2 0.2 I/O 54 Function
Fast CONNECT II Switch Matrix
Block 1
0.2 0.2 18
Macrocells
0.2 0.2 x: NOT USED 1 to 18
0.2 0.2 0.2 O: USED / APPLICABLE
I/O