Integra DTR-7.4 Service Manual page 25

A
SCHEMATIC DIAGRAM 7 Power supply and speaker terminal sections
P TYPE
NAETC-7694
L6800
R6800 22
R6810 22
D TYPE
C6600
1
103Z
D6600
P TYPE
L6801
P6810D RL6600
R6801 22
LSP
R6811 22
RSP
D TYPE
CSP
P TYPE
L6802
R6802 22
R6812 22
D TYPE
P6007A
LSPE
RSPE
CSPE
P6830
2
TO NAETC-7 733
(SCH. 8)
NAPS-7692
D6903
RBV-1506
C6915
D15XB60
334J
/100
+B1
GND
C6916
334J
-B1
/100 D6904
P6952A RBV-1506
D15XB60
D6901
D6901,2:
C6903
GP1004003E
RL1N4003
223J
1SR139-100
3
D6902
P6906
FAN CONTROL
SIGNAL TEMP Q5601 Q5602 Q5603 Q5604 Q5605 Q5607 Q5608 Q5609 Q5606
NO LOW ON OFF
YES LOW OFF ON
NO MID ON OFF
YES MID OFF ON
NO HIGH ON OFF
YES HIGH OFF ON
NAETC-7696
Q5602: 2SC1740S
OR 2SC2458
OR KTC3199
R5603
4
100K
R5602
C5601 1M
Q5608,9:
D5603
DTC144ES
OR RN1204
D5602-5603 :
OR KRC104M
GP1004003E
RL1N4003
1SR139-100 C6705
223Z
R6708
33K
5
P6931A
PRO
DCDET
FANDET
VOLH
GND
D6704
MTZJ5.1B
B
U30 P6800
S1.3C
SPEAKERS
L
R
J
C
S1.3C
C6842 102J
C6840 102J
J
C6841 102J
S1.3C
C6852 102K *
C6851 102K *
C6850 102K *
J
* P TYPE ONLY
F6902 *
RL6902
RL6901
F6901
*
P6951
OFF ON ON OFF ON OFF
OFF OFF ON OFF ON OFF
ON OFF ON OFF ON OFF
ON OFF OFF OFF ON OFF
ON OFF OFF ON OFF ON
ON OFF OFF ON OFF ON
FAN CONTROL
Q5603,7: 2SC1740S
OR 2SC2458
OR KTC3199
R5608
10K
R5606
R5604
10K
10K
D5604
R5605 D5605
100
D5609
C5602 R5615 R5614
100/35 10K 2.7K
R5607
2.7K
Q5608 Q5607
Q5609
Q5603
P6401
COM
TH2
TH1
Q6704
2SA933S 2SA1048 KTA1267
PRO
R6705
18K
VOLH
Q6702
C6706
Q6701
100/6.3
D6701
C6704
C6701
1/50
100/6.3
D6702
D6703
Q6701,6702 :
MTZJ5.1B
2SC1740S 2SC2458 KTC3199
NAETC-7695
C6603
103Z
D6603
RL6603
P6812E
LSSP
*
RSSP
LSBSP
*
RSBSP
*
RL6605
D6605
C6605
103Z
P6008A
U28 LSSPE
RSSPE
LSBSPE
RSBSPE
P9505
TO NAETC-7 733
FAN (SCH. 8)
+
-
FAN
GND
+24V
S1RL
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
RATING REF ER TO THE MARKING A DJACENT TO THE SYMB OL
FAN
0V OFF
12V LOW
12V LOW
A
22V HI
22V HI
22V HI
R5613
Q5606
4.7
KTC2026-GR ,Y
R5609 (1/2W)
2SD2394-F, E
10K
R5616
NAETC-7697
1.2K
R5612
(2W)
100
C5604
D5610
(1/2W)
100/35
C5603
100/35
Q5604 Q5605
DTC144ES DTC144ES
OR RN1204 OR RN1204
OR KRC104M OR KRC104M
C
P TYPE
L6803 S1.3C
R6803 22
R6813 22
U31
D TYPE
J
P TYPE
L6804 S1.3C
R6804 22
R6814 22
D TYPE
J
P TYPE
L6805 S1.3C
R6805 22
R6815 22
D TYPE
J
P TYPE
L6806 S1.3C
R6806 22
R6816 22
D TYPE
J
P6832
CAUTION
FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
U47
ONLY WITH FUSE OF SAME TYPE
V
AND RATING INDICATED.
NAETC-8085
R5651 R5653
PTFL04BF PTFL04BC
471Q2N34B0
471Q2N34B0
D TYPE
JL6933B
U33
NAETC-7698
R5651
R5653
PTH9M04BF
222TS2F333
PTH 9M04BD
222TS2F333
P TYPE
JL6933B
JL6933A Q6901 2SC1740S
2SC2458
KTC3199
R6902
4.7K
R6901
4.7K
+24V
SEC1H
RLGND
FAN
TH2
TH1
PRO
PROTCTTHM
SEC1H
VOLH NAETC-7715
NC
R5652
PTH9M04BF
U32
222TS2F333
DTR-7.4
D
SL
SBL
C6
C68
C68
C68
C6843
C6844
C6845
C6846
* ARE PA TYPE
BLU
BLU
WHT
GRY
GRY
BLK
BRN
BRN
JL6953A
N
JL9504A
4
U
JL9504B