Onkyo HT-R420, Service Manual

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<8240> :
TX-SR8240 (Chinese model)
<420>
: HT-R420 (All destination)
<DD>
: HT-R420 (American model)
<DC>
: HT-R420 (Canadian model)
<PA>
: HT-R420 (Australian model)
<PT>
: HT-R420
（
Asian model 230-240V)
<WT>
: HT-R420
（
Worldwide model)
REF NO. NAME DESCRIPTION Q'TY PART NO. REMARKS
PCB
Q301 IC BD3811K1 1 22241761R3
PCB
Q302 IC NJM4565M-D 1 22241383R2
PCB
Q302 or IC MPC4570G2-T1(MST) ( 1) 22240489R1NE
PCB
Q302 or IC NJM4565M ( 1) 22240581R2
PCB
Q305 IC NJM4565M-D 1 22241383R2
PCB
Q305 or IC MPC4570G2-T1(MST) ( 1) 22240489R1NE
PCB
Q305 or IC NJM4565M ( 1) 22240581R2
PCB
Q306 TR RN2402 1 2214530R2
PCB
Q306 or TR KRA102S ( 1) 2216220R2
PCB
Q307 TR RN1441 1 2215410R2
PCB
Q308 TR RN1441 1 2215410R2
PCB
Q312 TR RN1441 1 2215410R2
PCB
Q313 TR RN1441 1 2215410R2
PCB
Q321 IC(REGULATOR) 78L07(SMT) 1 222780073R2
PCB
Q322 IC(REGULATOR) 79L07(SMT) 1 222790073R2
PCB
Q701 IC CS493264 1 22241762R2
PCB
Q707 IC TC7WU04FU 1 22240935R2
PCB
Q801 IC AK4586 1 22241620R3
PCB
Q802 IC NJM4565M-D 1 22241383R2
PCB
Q802 or IC MPC4570G2-T1(MST) ( 1) 22240489R1NE
PCB
Q802 or IC NJM4565M ( 1) 22240581R2
PCB
Q803 IC NJM4565M-D 1 22241383R2
PCB
Q803 or IC MPC4570G2-T1(MST) ( 1) 22240489R1NE
PCB
Q803 or IC NJM4565M ( 1) 22240581R2
PCB
Q804 IC NJM4565M-D 1 22241383R2
PCB
Q804 or IC MPC4570G2-T1(MST) ( 1) 22240489R1NE
PCB
Q804 or IC NJM4565M ( 1) 22240581R2
PCB
Q6402 IC(REGURATOR) 7812HF(TA7812S) 1 222780124TOS
PCB
Q6402 or IC(REGULATOR) 78M12HF ( 1) 222780125
PCB
Q6402A SCREW 3P+10FN(BC) 1 82143010
PCB
Q6402B HEAT SINK RAD-183 1 27160526
PCB
Q6402C TAPE TAPE(CLOTH-16U) 1 29110083
PCB
Q6403 IC(REGURATOR) 79012HF(TA79012S) 1 222790124TOS
PCB
Q6403 or IC(REGULATOR) 79M12HF ( 1) 222790125
PCB
Q6405 IC(REGURATOR) 7812HF(TA7812S) 1 222780124TOS
PCB
Q6405 or IC(REGULATOR) 78M12HF ( 1) 222780125
PCB
Q6405A SCREW 3P+10FN(BC) 1 82143010
PCB
Q6406 IC(REGURATOR) 7805HF(TA7805S) 1 222780054TOS
PCB
Q6406 or IC(REGULATOR) 78M05HF ( 1) 222780055
PCB
Q6406A SCREW 3P+10FN(BC) 1 82143010
PCB
Q7001 TR RN1404 1 2214490R2
PCB
Q7001 or TR KRC104S ( 1) 2216210R2
PCB
Q7002 IC TC74VHC541FT 1 22274541ER2TO
PCB
Q7002 or IC SN74AHC541PWR ( 1) 22274541IR2TI
PCB
Q7003 IC TC74HCT7007AF 1 222740077R2TO
PCB
Q7004 IC BA33C25FP 1 22241778R2
PCB
Q7006 TR RN1404 1 2214490R2
PCB
Q7006 or TR KRC104S ( 1) 2216210R2
NOTE : THE COMPONENTS IDENTIFIED BY THE MARK ! ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE ONLY WITH PART NUMBER SPECIFIED.