Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio HTX-22HD hfe_onkyo_htx-22hd_service
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HTX-22HD
Ref. No. 4073
062008
SERVICE MANUAL
DIGITAL SURROUND SYSTEM
MODEL HTX-22HD(B)
RC-720S
Black model
B MPB 230V AC, 50Hz
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
HTX-22HD
EXPLODED VIEWS-1
AMPLIFIER SECTION U05 A24 A08
U02
x 2pcs x 3pcs
A105
A106 x 15pcs A32
x 3pcs
E890
A132
L=150mm
U08b
A107 A62
x 4pcs Q5001A
A108 A24 Refer to PC Board parts list A34
x 4pcs x 2pcs x 2pcs
U11b E890
A101 U09 A132 A134 A800
A24 L=150mm L=150mm
U10
E889 A45
A2
L= 2 A20
65
A2 mm A24 U01 x 4pcs
x6 3 A24
pc U03
s U04 x 2pcs F901 U06
T901
A21
A130
A22
A12 L=40mm
A06
A16 x 5pcs P8001
x 2pcs
A06
U07b x 4pcs A01
A24
A08
x 4pcs
A39
A110
E892 A30
x 2pcs
HTX-22HD
A42
x 5pcs
Refer to "EXPLODED VIEWS-2"
HTX-22HD
EXPLODED VIEWS-2
SPEAKER SECTION
SP06
x 5pcs
SP11 x 2pcs
L=85mm
Refer to "EXPLODED VIEWS-1" SP09 x 2pcs
L=35mm
SP10
L=95mm
SP12
SP01
SP08 SP05 SP13
x 4pcs (With SP14)
---Rear---
SP15
HTX-22HD
SP14
(Badge)
HTX-22HD
EXPLODED VIEWS-3
FRONT SPEAKER (HTX-22HDST)
- - - - - SP21 (L&R Speaker Ass'y) - - - - -
[Left] [Right]
SP22 (With SP23) : SP22 (With SP23)
L: L
INA ck NA
RM la R MI ck
TE te / B TE / Bla
i ed
Wh R
Nut : mm nut. Nut : mm nut.
SP23 SP23
HTX-22HD
Model No. DHT-9HD/HTX-22HD/HTX-E5HD/GXW-2.1HD/SA-205HD BLOCK DIAGRAM ( PART-1 )
1 MIC_DET
2 40 5 P?
MIC_IN 3 4
MIC_AMP 2
3 HEADPHONES
46 7
SBL from HPIN 8
PreOut
MAIN R
MAIN L
1
SUB R
SUB L
SBR PRE_OUT_BL/BR POWER AMPLIFIER MUTE_RELAYS SPEAKER TERMINALS
45
17
L
+29dB
TONE
IN1 48 FRONT LEFT
R 16
+
47
L 19
+29dB
IN2
R
TONE to PowerAMP FRONT RIGHT
50
20 FL FRONT LEFT
+
34
FRONT RIGHT
25k
49 FR
L 7
+29dB
INVERTING
IN3 73
SURR. LEFT SURR. LEFT
R SL
25k
52
6
SURR. RIGHT
+
35 SR
SubWoofer from SubWoofer +29dB
25k
51
4 C CENTER SURR. RIGHT
Filter INVERTING 74
SA-205HD Only
SW
25k
54 SW
5
+
75
+29dB
CENTER
25k
53
2
30
25k
56
1
+29dB
+
79
SW
25k
55
9 SubWoofer SA-205HD Only
28
(to_RearPanel_Pinjack)
SubWoofer
25k
58
10
Filter
+
80
25k
57
12 Speaker(SW)
29 L
PRE_OUT_BL/BR Except for SA-205HD
25k
60 R
11 (to_RearPanel_Pinjack)
+
76
25k
59
14
31
RL_MUTE_SRL
RL_MUTE_FRL
RL_MUTE_Sw
RL_MUTE_C
25k
64
15
HPMUT
non VLSC
non VLSC
+6dB
+6dB
AMUT
+
HPIN
32
25k
63
VLSC
VLSC
77
25k
62
REC R
REC L
78
25k
61
33 ASP 43 VOLCLK
25k
66 42 VOLDAT
39 R2S15211FP
65
38
FR
FLASH ROM SDRAM
FL
SR
BR
SL
BL
68
C
16M Bit 64M bit
DIGSDO_3.3V
DIRRST_3.3V
DIGCLK_3.3V
SW
DIGSDI_3.3V
DIRINT_3.3V
DIRCS_3.3V
2Mx8bit/1Mx16bit 1Mx16bitx4bank
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
67
36
37
35
34
32
33
31
30
28
29
27
26
28
29
27
26
16
15
70 - 14 2ch ADC
13
CX_SDIN4 DSPCS
- CX_SDIN3
DSP
DSPBUSY
69 CX_SDIN2 DSPRST
49 CX_SDIN1 TMS320DA708 DSPINT
43 CX_SCLK DSPFCS
42 CX_LRCK D788E001BRFP266 DSPFINT
72 47 8ch DAC (HD Audio available) SD_CKE
46 DIR SAI_LRCK SD_CS
48 SAI_SCLK
45 SAI_SDOUT 2:1 mux
71 44 OSCCLK
OPT_IN1
PCMSBLR_DR2
Codec/HDMI
PCMCSW_DL1
PCMSLR_DR1
PCMLRCK_DR0_1 ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo