Integra DTR-7.4 Service Manual

CIRCUIT NO. PART NO. DESCRIPTION
Sockets
JL7202A 25051089 NSCT-5P876
JL7203A 25051096 NSCT-12P88
3
P7201A 25051875 NSCT-31P166
2
P7559A 25051087 NSCT-3P874
Plug
P7203 25056056 NPLG-8P100
6
Holder
Q7501A 27191074A (FL)
STANDBY SWITCH PC BOARD (NAETC-7747-2H/2J)
CIRCUIT NO. PART NO. DESCRIPTION
Transistors
Q7533~Q7535 2216190R2 or KRC102S o
r
2214470R2 RN1402
Diodes
D7533 225290 SEL4110
R
D7534 225292D SEL4310G-D
D7535 225374 SEL2E10
C
Resistors
R7534,R7537 435034714R1 RN72K1J-471JE,Carbon
R7540 435034714R1 RN72K1J-471JE,Carbon
R7589,R7590 435032714R1 RN72K1J-271JE,Carbon
Switches
S7541,S7543 25035714 or NPS-111-S677 o
r
25035718 NPS-111-S681
Sockets
JL7201A 25051108 NSCT-4P89
5
JL7203B 25051096 NSCT-12P88
3
MASTER VOLUME PC BOARD (NAETC-7748-2H/2J)
CIRCUIT NO. PART NO. DESCRIPTION
Capacitors
C7559,C7569 332161040R1 CK725F1E-104Z1, Cerami
c
Rotary encoder
S7569 25065611 EC16B24C2
5
Socket
P7559B 25051087 NSCT-3P874
HEADPHONE TERMINAL PC BOARD (NAETC-7749-2H/2J)
CIRCUIT NO. PART NO. DESCRIPTION
Capacitors
C7481,C7482 342101014R1 CC725CH1H-101J1,Cerami
c
C7483 332161040R1 CK725F1E-104Z1, Cerami
c
Terminal
P7481 25045385 YKB26-515
3
Socket
JL7202B 25051089 NSCT-5P876
DSP CIRCUIT PC BOARD (NADG-7687-2P)
CIRCUIT NO. PART NO. DESCRIPTION
ICs
Q100 22241448R2 NJM4580M-D
Q101,Q102 22241448R2 NJM4580M-D
Q103 22241522R2 AK4528V
F
Q120 22274040ER2TO TC74VHC4040F
T
Q121 22274000GR2TO TC74VHCT00AF
T
Q130 222740046R2 74HCU04F
Q131 22241633R3 AK4114V
Q
Q160 22240928R2 TC9246F
Q161 222780053R2JR 78L05(NJM78L05UA
)
Q170 22278028DR2JR NJM2391DL1-28
5
Q171 22278033DR2NE
o
MPC2933T o
r
22278033DR2JR NJM2391DL1-3
3
Q190 22274157ER2TO
o
TC74VHC157FT o
r
22274157IR2TI SN74AHC157PW
R
Q700 22242002R3 MB86D41BPFV-G-BN
D
Q7000 22241512R3W M30624FGAF
P
Q701,Q751 22274074ER2TO
o
TC74VHC74FT o
r
22274074IR2TI SN74AHC74PW
R

Integra DTR-7.4 Specifications

General

Digital Audio Inputs (Coaxial)	2
Multi-Channel Input	7.1
Component Video Outputs	1
Signal-to-Noise Ratio	106 dB
Total Harmonic Distortion	0.08%
Audio Formats Supported	Dolby Digital, DTS
THX Certification	No
Input Sensitivity	200 mV
Video Inputs	Component: 3, HDMI: 2
Video Outputs	Component: 1, HDMI: 1
Audio Inputs	2 (Optical), 2 (Coaxial)
Audio Outputs	7.1 Preamp
Dimensions	435 mm x 175 mm x 425 mm