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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
Copyright 2003 YAMAHA CORPORATION
This manual is copyrighted by YAMAHA and may not be copied or
100848
redistributed either in print or electronically without permission.
P.O.Box 1, Hamamatsu, Japan
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
s TO SERVICE PERSONNEL AC LEAKAGE
WALL EQUIPMENT TESTER OR
1. Critical Components Information OUTLET UNDER TEST EQUIVALENT
Components having special characteristics are marked s
and must be replaced with parts having specifications equal
to those originally installed.
2. Leakage Current Measurement (For 120V Models Only)
When service has been completed, it is imperative to verify
that all exposed conductive surfaces are properly insulated INSULATING
from supply circuits. TABLE
q Meter impedance should be equivalent to 1500 ohm shunted q Leakage current must not exceed 0.5mA.
by 0.15µF. q Be sure to test for leakage with the AC plug in both polarities.
"CAUTION"
"F681: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 5A, 125V FUSE."
CAUTION
F681: REPLACE WITH SAME TYPE 5A, 125V FUSE.
ATTENTION
F681: UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 5A, 125V.
WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where
applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and
possibly other entities) to cause cancer and/or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA-
SON WHATSOEVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose
eyes to solder/flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands before
handling food.
· DIMENSIONS
(7/8")
22
322 (12-11/16")
281 (11-1/16")
HTR-5630/HTR-5630RDS/DSP-AX340
RX-V340/RX-V340RDS/
(3/4")
19
151 (5-15/16")
130 (5-1/8")
Unit : mm (inch)
(13/16")
435 (17-1/8")
21
2
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
s FRONT PANELS
RX-V340 (C, L, R, T models)
RX-V340RDS (B, G models)
HTR-5630 (U, C, A, R, T, K models)
HTR-5630/HTR-5630RDS/DSP-AX340
RX-V340/RX-V340RDS/
HTR-5630RDS (B, G models)
3
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
DSP-AX340 (J model)
s REAR PANELS
RX-V340 (C model)
RX-V340 (L model)
HTR-5630/HTR-5630RDS/DSP-AX340
RX-V340/RX-V340RDS/
RX-V340 (R model)
4
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
RX-V340 (T model)
RX-V340RDS (B, G models)
HTR-5630 (U, C models)
HTR-5630 (A model) HTR-5630/HTR-5630RDS/DSP-AX340
RX-V340/RX-V340RDS/
5
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
HTR-5630 (L model)
HTR-5630 (R model)
HTR-5630 (T model)
HTR-5630/HTR-5630RDS/DSP-AX340
HTR-5630 (K model)
RX-V340/RX-V340RDS/
6
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
HTR-5630RDS (B, G model)
DSP-AX340 (J model)
s REMOTE CONTROL PANELS
RX-V340 (C, L, R, T models) RX-V340RDS (B, G models)
HTR-5630 (U, C, A, L, R, T, K models) HTR-5630RDS (B, G models)
DSP-AX340 (J model)
HTR-5630/HTR-5630RDS/DSP-AX340
RX-V340/RX-V340RDS/
7
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
Frequency Response
s SPECIFICATIONS / CD, etc. to MAIN L/R (10 Hz to 100 kHz) ................... 0 / -3.0 dB
s Audio Section Total Harmonic Distortion
(1 kHz, 30 W, 6 ohms)
Minimum RMS Output Power (Power Amp. Section) CD, etc. (Effect Off) to MAIN L/R SP OUT ........... 0.06 % or less
Signal to Noise Ratio (IHF-A network)
(1 kHz, 0.1 % THD, 6 ohms)
CD, etc. (Input shorted, EFFECT OFF) to MAIN L/R SP OUT
MAIN L/R
250mV ........................................................... 100 dB or more
U, C, J models .................................................. 70 W + 70 W
A, B, G, L, R, T, K models ................................ 60 W + 60 W Residual Noise (IHF-A network)
CENTER MAIN L/R SP OUT ................................................ 150 µV or less
U, C, J models .............................................................. 70 W Channel Separation
A, B, G, L, R, T, K models ............................................ 60 W (Vol -30 dB, Effect Off)
REAR L/R CD, etc. (Input 5.1 k-ohms shorted, 1 kHz / 10 kHz)
U, C, J models .................................................. 70 W + 70 W .................................................... 60 dB or more / 45 dB or more
A, B, G, L, R, T, K models ................................ 60 W + 60 W
(1 kHz, 0.7 % THD, 6 ohms) Tone Control Characteristics
MAIN L/R BASS
U, C models ...................................................... 75 W + 75 W Boost/Cut ..................................................... ±10 dB (100Hz)
A, B, G, T, K models ......................................... 65 W + 65 W TREBLE
CENTER Boost/Cut .................................................... ±10 dB (20 kHz)
U, C models .................................................................. 75 W Filter Characteristics
A, B, G, T, K models ..................................................... 65 W MAIN, REAR L/R SP Small (H.P.F.) ............... 90 Hz / 12 dB oct.
REAR L/R SUBWOOFER (L.P.F.) .................................... 90 Hz / 18 dB oct.
U, C models ...................................................... 75 W + 75 W
A, B, G, T, K models ......................................... 65 W + 65 W
s Video Section
Maximum Power
(EIAJ, 1 kHz, 10 % THD, 6 ohms) Video Signal Type
MAIN L/R U, C, R, T, K, J models ....................................................... NTSC
R, T, K models .................................................. 80 W + 80 W A, B, G, L models .................................................................. PAL
J model .............................................................. 90 W + 90 W Video Signal Level
CENTER .......................................................................... 1 Vp-p / 75 ohms
R, T, K models .............................................................. 80 W
Maximum Input Level
J model .......................................................................... 90 W
........................................................................................ 1.5 Vp-p
REAR L/R
R, T, K models .................................................. 80 W + 80 W Signal to Noise Ratio
J model .............................................................. 90 W + 90 W ............................................................................... 50 dB or more
DIN Standard Output Power Per Channel Monitor Out Frequency Response
[B, G, L models] Video Signal Level .................................... 5 Hz to 10 MHz, -3 dB
(1 kHz, 0.7 % THD, 4 ohms)
MAIN L/R ................................................................. 75 W + 75 W s FM Section
CENTER .............................................................................. 75 W
REAR L/R ................................................................ 75 W + 75 W Tuning Range
U, C models .................................................... 87.5 to 107.9 MHz
IEC Power [B, G, L models]
A, B, G, L, T, K models ............................... 87.50 to 108.00 MHz
1 kHz, 0.1 % THD, 6 ohms ...................................... 60 W + 60 W
R model .............................. 87.5 to 108.0 / 87.50 to 108.00 MHz
Dynamic Power Per Channel (IHF) J model ............................................................. 76.0 to 90.0 MHz
U, C, J models (6/4/2 ohms) ................................. 85/100/115 W
50dB Quieting Sensitivity (IHF)
A, B, G, L, R, T, K models (6/4/2 ohms) ................. 75/95/105 W
(1 kHz, 100 % Mod.)
Dynamic Headroom [U, C models] Mono ................................................................. 2.0 µV (17.3 dBf)
HTR-5630/HTR-5630RDS/DSP-AX340
6 ohms ............................................................................. 0.84 dB Stereo ................................................................ 25 µV (39.2 dBf)
Input Sensitivity / Input Impedance Usable Sensitivity (IHF)
RX-V340/RX-V340RDS/
CD, etc. ........................................................ 150 mV / 47 k-ohms Mono ................................................................. 1.0 µV (11.2 dBf)
EXT. DECODER
Selectivity
MAIN L/R, CENTER, SURROUND L/R, SUB WOOFER
at 400 kHz ........................................................................... 70 dB
.............................................................. 150 mV / 47 k-ohms
Signal to Noise Ratio (IHF)
Maximum Input Signal Level
Mono / Stereo ......................................................... 76 dB / 70 dB
(1 kHz, 0.5 % THD, Effect On)
CD, etc. ................................................................... 2.0 V or more Harmonic Distortion
(1 kHz)
Output Level / Output Impedance ( )
Mono/Stereo ........................................................... 0.2 % / 0.3 %
REC OUT .................................................... 150 mV / 1.2 k-ohms
SUB WOOFER (MAIN SP: Small) .................... 4 V / 1.2 k-ohms Stereo Separation
1 kHz ................................................................................... 42 dB
Headphone Jack Rated Output / Impedance
Frequency Response
CD, etc. (1 kHz, 150 mV, 8 ohms) ................... 0.3 V / 470 ohms 20 Hz to 15 kHz ......................................................... +0.5 / -2 dB
Antenna Input
.................................................................... 75 ohms unbalanced
8
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
s AM Section Accessories
Remote Control, Batteries (Manganese Dry), Indoor FM Antenna,
Tuning Range AM Loop Antenna
U, C models ...................................................... 530 to 1,710 kHz
A, B, G, L, T, K, J models ................................. 531 to 1,611 kHz
R model ..................................... 530 to 1,710 / 531 to 1,611 kHz
* Specifications are subject to change without notice due to product
Usable Sensitivity
improvements.
...................................................................................... 300 µV/m
Antenna
............................................................................... Loop Antenna
U .......... U.S.A. model C ...... Canadian model
s General A .......... Australian model B ...... British model
G .......... European model L ....... Singapore model
Power Supply R .......... General model T ....... Chinese model
U, C models ....................................................... AC 120 V, 60 Hz K .......... Korean model J ....... Japanese model
A model .............................................................. AC 240 V, 50 Hz
B, G, L models ................................................... AC 230 V, 50 Hz
R model ................................... AC 110-120/220-240 V, 50/60 Hz
T model .............................................................. AC 220 V, 50 Hz
K model .............................................................. AC 220 V, 60 Hz
J model ......................................................... AC 100V, 50/60 Hz Manufactured under license from Dolby Laboratories.
"Dolby", "Pro Logic" and the double-D symbol are trademarks of
Power Consumption Dolby Laboratories.
U, C models ........................................................ 210 W / 280 VA
A, B, G, L, R, T, K models ................................................. 210 W
J model .............................................................................. 160 W
Standby Power Consumption (reference data)
............................................................................................ 0.8 W
"DTS" and "DTS Digital Surround" are registered trademarks of
Maximum Power Consumption [R model] Digital Theater Systems, Inc.
5ch Drive, 10 % THD ......................................................... 500 W
Dimensions (W x H x D)
................ 435 x 151 x 322 mm (17-1/8" x 5-15/16" x 12-11/16")
Weight
.................................................................. 8.0 kg (17 lbs. 10 oz.)
Finish
RX-V340 ................................ Gold color (L, T) models
Silver color (C, L, R) models
RX-V340RDS ........................... Silver color (B, G) models
Black color (B, G) models
HTR-5630 .............................. Gold color (T) models
Silver color (U, C, A, R, T, K) models
Black color (U, C, A, R) models
HTR-5630RDS ...................... Silver color (B, G) models
Black color (B, G) models
DSP-AX340 ........................... Gold color (J) model
Silver color (J) model
HTR-5630/HTR-5630RDS/DSP-AX340
RX-V340/RX-V340RDS/
9
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
· Set Menu Table
HTR-5630/HTR-5630RDS/DSP-AX340
RX-V340/RX-V340RDS/
10
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
· The variable range of the parameter (Min/Max/Step)
Unit
DSP LEVEL -6/+3/1 dB
DELAY 1/99/1 ms
5ch Stereo Parameter Unit
CT LEVEL 0/100/1 %
RL LEVEL 0/100/1 %
RR LEVEL 0/100/1 %
Pro Logic II Music Parameter Unit
PANORAMA OFF/ON
DIMENSIONS -3/+3/1
CT WIDTH 0/7/1
s INTERNAL VIEW
1 2 3 4 5 6 78 9
1 MAIN (2) P.C.B.
2 FUNCTION (7) P.C.B. (R model only)
3 MAIN (4) P.C.B.
4 Tuner
5 MAIN (3) P.C.B.
6 FUNCTION (3) P.C.B.
7 FUNCTION (6) P.C.B.
8 FUNCTION (1) P.C.B.
9 DSP P.C.B.
0 FUNCTION (2) P.C.B.
A MAIN (1) P.C.B.
B FUNCTION (4) P.C.B.
C FUNCTION (8) P.C.B.
D Power Transformer
E MAIN (5) P.C.B.
F FUNCTION (5) P.C.B.
F E D C B A 0
HTR-5630/HTR-5630RDS/DSP-AX340
RX-V340/RX-V340RDS/
11
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
s DISASSEMBLY PROCEDURES
(Remove parts in the order as numbered.)
Disconnect the power cable from the AC outlet.
1. Removal of Top Cover
a. Remove 4 screws (1) and 4 screws (2). (Fig. 1) 1 2
b. Slide the Top Cover rearward to remove it. (Fig. 1)
2. Removal of Front Panel Unit
a. Loosen the harness fixture fixing the cable.
b. Remove CB472 and CB654. (Fig. 1)
c. Remove 5 screws (3).
d. Release a hook on right side of the Front Panel Unit, 3
then slide the Front Panel Unit forward. (Fig. 1)
e. Remove 3 screws (4).
f. Remove the MAIN (5) P.C.B. and then remove the 4
Front Panel Unit. (Fig. 1)
Top Cover
1 2
4
MAIN (5) P.C.B.
1
3
CB654
3
Front Panel Unit CB472
3
Hook /
Fig. 1
3. Removal of DSP P.C.B.
a. Remove 1 screw (5). (Fig. 2) 5
HTR-5630/HTR-5630RDS/DSP-AX340
b. Remove 2 screws (6). (Fig. 3) 6
c. Remove CB803. (Fig. 2)
d. Remove the DSP P.C.B. with the Support/DSP. (Fig. 2)
RX-V340/RX-V340RDS/
1 CB803
DSP P.C.B.
Note:
When assembling the DSP P.C.B., be careful
not to bend the pin of the connector (CB475).
CB475
Support / DSP
/ DSP
5
Fig. 2
12
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
6 7 8
Fig. 3
4. Removal of MAIN (3), MAIN (4), FUNCTION (3),
FUNCTION (6) P.C.B.s and Tuner
a. Remove CB281 and CB471. (Fig. 4)
b. Remove 16 screws (7). (Fig. 3) 7
c. Remove MAIN (3), MAIN (4), FUNCTION (3),
FUNCTION (6) P.C.B.s. and the Tuner. (Fig. 4)
MAIN (3) P.C.B.
TUNER FUNCTION (6) P.C.B.
MAIN (4) P.C.B. CB281
FUNCTION (3) P.C.B.
CB471
Fig. 4
HTR-5630/HTR-5630RDS/DSP-AX340
RX-V340/RX-V340RDS/
13
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
5. Removal of MAIN (1), FUNCTION (1) and FUNCTION
(8) P.C.B.s
a. Remove CB303 and CB304. (Fig. 5)
b. Remove 2 screws (8). (Fig. 3) 8
c. Remove 7 screws (9). (Fig. 5) 9
d. Remove MAIN (1), FUNCTION (1) and FUNCTION (8)
P.C.B.s.. (Fig. 5)
FUNCTION (8) P.C.B.
CB304
CB303
9
MAIN (1) P.C.B.
9
9
9
9
FUNCTION (1) P.C.B.
Fig. 5
When checking the P.C.B.:
· Reconnect all cables (connectors) that have been
disconnected.
· When connecting the flat cable, use care for the
polarity.
· The MAIN (1) P.C.B. removed from the rear panel
does not work because its grounding is loose. Be
sure to connect the ground (G302 and G471) of
MAIN (1) P.C.B. to the chassis or Rear Panel with a
jumper wire or the like.
· The P.C.B. removed from the rear panel does not
work because its grounding is loose. Be sure to
connect the ground of each P.C.B. to the chassis or
GND with a jumper wire or the like.
· FUNCTION P.C.B. and MAIN P.C.B. works even
with the DSP P.C.B. removed.
HTR-5630/HTR-5630RDS/DSP-AX340
RX-V340/RX-V340RDS/
G471
G302
Fig. 6
14
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
s SELF DIAGNOSIS FUNCTION (DIAG)
There are 15 DIAG menu items, each of which has sub-
menu items.
Listed in the table below are menu items and sub-menu
items.
Note that not all menu items listed will apply to the models
covered in this service manual.
No DIAG menu sub-menu
1 DSP THROUGH 1. ANALOG BYPASS
2. YSS 0dB
3. YSS Front 0dB
4. YSS FULL BIT
5. YSS FULL BIT F
2 RAM THROUGH RAM 0dB
3 PRO LOGIC / 1. PRO LOGIC I
NEO6 2. PRO LOGIC II
3. Neo:6 (Not applied to these models / )
4 SPEAKERS SET 1. MAIN: SMALL 0dB
2. CENTER: NONE
3. LFE/BASS: MAIN
4. Front Mix: 5ch
5. Rear Center power (Not applied to these models / )
6. Tone Control Flat
7. Tone Control +10dB
8. Tone Control -10dB
5 MARGIN CHECK 1. MAIN 12 dB margin
2. MAIN 15 dB margin
6 OTHER INPUT EXTERNAL DECODER
7 DISPLAY CHECK 1. VFD CHECK (Initial display )
2. VFD DISP OFF (All segments OFF )
3. VFD DISP ALL (All segments ON 100% )
4. VFD DIMMER (All segments ON 50% )
5. CHECKED PATTERN (ON in lattice )
8 MANUAL TEST 1. TEST ALL
2. TEST MAIN L
3. TEST CENTER
4. TEST MAIN R
HTR-5630/HTR-5630RDS/DSP-AX340
5. TEST REAR R
6. TEST REAR CENTER (Not applied to these models / )
7. TEST REAR L RX-V340/RX-V340RDS/
8. TEST LFE
9 FACTORY PRESET 1. PRESET INHIBITED (memory initialization inhibited )
2. PRESET RESERVED (memory initialized )
10 AD DATA CHECK 1. DC/PS (protection)
/FAN TEST 2. THM/Fan (Not applied to these models / )
3. REC-OUT (Not applied to these models / )
4. IMP SW/POWER LIMIT
5. K0/K1 (panel key)
6. FAN DRIVE TEST: HIGH (Not applied to these models / )
7. FAN DRIVE TEST: MID (Not applied to these models / )
8. FAN DRIVE TEST: LOW (Not applied to these models / )
15
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
No DIAG menu sub-menu
11 IF STATUS 1. INSIDE STATUS 1 (5 Byte)
2. INSIDE STATUS 2 (3 Byte)
3. CHANNEL STATUS 1 (5 Byte)
4. CHANNEL STATUS 2 (5 Byte)
5. CHANNEL STATUS 3 (5 Byte)
6. CHANNEL STATUS 4 (5 Byte)
7. CHANNEL STATUS 5 (4 Byte)
8. BSI (YSS) 1 (5 Byte)
9. BSI (YSS) 2 (5 Byte)
10. BSI (YSS) 3 (5 Byte)
11. BSI (YSS) 4 (4 Byte)
12. BSI (CS) 1 (5 Byte)
13. BSI (CS) 2 (5 Byte)
14. BSI (CS) 3 (5 Byte)
15. BSI (CS) 4 (5 Byte)
16. BSI (CS) 5 (1 Byte)
17. YSS938-1 (5 Byte)
18. YSS938-2 (5 Byte)
19. YSS938-3 (4 Byte)
20. SECOND DECODER (3 Byte)
21. Mute Trigger (5 Byte)
12 DSP RAM CHECK 1. YSS938 BUS CHECK
2. PLD/SRAM BUS CHECK
13 SD DL CODE 1. ROM DATA Version
2. TOC Area 0
3. TOC Area 1
4. TOC Area 2
5. TOC Area 3
6. TOC Area 4
7. TOC Area 5
8. Sum check Area 0
9. Sum check Area 1
10. Sum check Area 2
11. Sum check Area 3
12. Sum check Area 4
13. Sum check Area 5
14 SOFT SWITCH 1. SW MODE
HTR-5630/HTR-5630RDS/DSP-AX340
2. MODEL SETTING
3. TUNER DESTINATION
RX-V340/RX-V340RDS/
4. RDS EXIST
5. ZONE 2 EXIST
6. VIDEO FORMAT
15 ROM VERSION/CHECK SUM/ 1. VERSION
PORT 2. CHECK SUM ALL/PROGRAM
3. PORT
4. AAC PORT
16
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
· Starting DIAG
Press the "STANDBY/ON" key while simultaneously
pressing those two keys of the main unit as indicated in the
figure below.
Keys of main unit
Turn on the power while pressing these keys.
· Starting DIAG in the protection cancel
mode
If the protection function works and causes hindrance to
trouble diagnosis, cancel the protection function as
described below, and it will be possible to enter the DIAG
mode. (The protection functions other than the excess
current detect function will be disabled.)
Press the "STANDBY/ON" key while simultaneously
pressing those two keys indicated in the figure above. At
this time, keep pressing those two keys for 3 seconds or
longer.
In this mode, the "SLEEP" segment of the FL display of the
main unit flashes to indicate that the mode is DIAG mode
with the protection functions disabled.
CAUTION!
Using this product with the protection function disabled
may cause damage to itself. Use special care for this point
when using this mode.
· Canceling DIAG
[1] Before canceling DIAG, execute setting for PRESET of
DIAG menu No.9 (Memory initialization inhibited or
Memory initialized).
* In order to keep the user memory stored, be sure to
HTR-5630/HTR-5630RDS/DSP-AX340
select PRESET INHIBITED (Memory initialization
inhibited).
[2] Turn off the power by pressing the "STANDBY/ON" RX-V340/RX-V340RDS/
key of the main unit.
17
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
· Display provided when DIAG started
The FL display of the main unit displays the protection
function history data and the version (1 alphabet) and the
DIAG menu [sub-menu (ANALOG BYPASS) of DIAG
menu No.1 DSP THROUGH] a few seconds later.
When there is no history of protection function:
Opening message DIAG menu display
When there is no history Version (1 alphabet)
of protection function
After a few seconds
When there is a history of protection function:
When there is a history of protection
function due to excess current Version (1 alphabet)
Cause: An excessive current flowed through the power
amplifier.
Supplementary information: As current through the
power transistor is detected, the abnormal channel can be
identified by checking the current detect transistor.
Turning on the power without correcting the abnormality
will cause the protection function to work immediately and
the power supply will instantly be shut off.
Note)
· Applying the power to a unit without correcting the
abnormality can be dangerous and cause additional
circuit damage.
· The output transistors in each amplifier channel
should be checked for damage before applying any
power.
· Amplifier current should be monitored by measuring
across the emitter resistors for each channel.
HTR-5630/HTR-5630RDS/DSP-AX340
When there is a history of protection
function due to an abnormal voltage in
RX-V340/RX-V340RDS/
the power supply section Version (1 alphabet)
Voltage display in %
Cause: The voltage in the power supply section is
abnormal.
Supplementary information: The abnormal voltage is
displayed in % based on 5V as 100%.
Turning on the power without correcting the abnormality
will cause the protection function to work 1 second later
and the power supply will be shut off.
18
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
When there is a history of protection
function due to abnormal DC output Version (1 alphabet)
Cause: DC output of the power amplifier is abnormal.
Turning on the power without correcting the abnormality
will cause the protection function to work 3 seconds later
and the power supply will be shut off.
When there is a history of protection
function due to excessive heat sink
temperature Version (1 alphabet)
Voltage display in %
Cause: The temperature of the heat sink is excessive.
Supplementary information: The abnormal voltage is
displayed in % based on 5V as 500%.
Turning on the power without correcting the abnormality
will cause the protection function to work 1 second later
and the power supply will be shut off.
* Additional causes of protection can be due to loose
connections, associated components, CPU, etc.
* For the protection voltage value, refer to DIAG menu
No.10 described later.
· History of protection function
When the protection function has worked, its history is
stored in memory with a backup. Even if no abnormality
is noted while servicing the unit, an abnormality which
has occurred previously can be defined as long as the
backup data has been stored.
The history of the protection function is cleared when
DIAG is cancelled by selecting PRESET RESERVED
HTR-5630/HTR-5630RDS/DSP-AX340
(Memory initialized) of DIAG menu No.9 or when the
backup data is erased.
RX-V340/RX-V340RDS/
· Display during menu operation
During the DIAG operation, the function at work is
indicated on the FL indicator. The contents displayed
during the function operation are described in the later
section on details of functions.
19
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
· Operation procedure of DIAG menu and
SUB-MENU
There are 15 MENU items, each of which has some SUB-
MENU items.
DIAG menu selection
Main unit: Select the menu using (Forward) and
(Reverse) keys of PRESET/TUNING.
SUB-MENU selection
Main unit: Select the sub-menu using (Forward) and
(Reverse) keys of PROGRAM.
Keys of main unit
SUB-MENU selection DIAG menu selection
· Functions in DIAG mode
In addition to the DIAG menu items, functions as listed
below are available.
· Input selection, 6CH input
· Center/Rear/Sub-woofer level adjustment
· Muting
· Power on/off
· Master volume
* Functions related to the tuner and the set menu are not
available.
* It is possible to confirm Menu No.11 IF STATUS while
keeping the signal process (operation status) of each
DIAG menu by using the input mode key of the main
unit.
· Initial settings used to start DIAG
The following initial settings are used when starting DIAG.
When DIAG is canceled, these settings are restored to
those before starting DIAG.
HTR-5630/HTR-5630RDS/DSP-AX340
· Master volume: -40dB
· Input: DVD (6CH INPUT OFF)
RX-V340/RX-V340RDS/
· Effect level: 0dB
· Audio mute: OFF
· Speaker setting: LARGE / BASS OUT = BOTH
· DIAG menu: DSP THROUGH (1. ANALOG BYPASS)
20
RX-V340/RX-V340RDS/HTR-5630/HTR-5630RDS/DSP-AX340
· Details of DIAG menu
With full-bit output specified in some modes, it is possible
to execute 0dBFS output without head margin in each
channel.
1. DSP THROUGH
Main DSP of YSS938 is selected for MAIN L/R output.
ANALOG BYPASS
· The signal for L/R is output as it is without passing
through the DSP section.
Reference data
INPUT: DVD ANALOG
SWFR: 50Hz, Others: 1kHz
SPEAKER OUTPUT (1kHz) SUBWOOFER
Input level Volume
MAIN L/R CENTER