Onkyo HT-RC660(B) Service Manual page 35

A B
SCHEMATIC DIAGRAMS-10
DISPLAY(PHONE/ LED) SECTION
1
MODEL NO. TX-NR636/737 SCHEMATIC DIAGRAM
(PART-9) DISPLAY SECTION
BAETC-1535
U0045
RELAY PWB
2
FLAC1
SEC3_1
SEC3_2
FLAC2
3
4
5
MODEL NO. TX-NR636/737 SCHEMATIC DIAGRAM
(PART-10) DISPLAY SECTION
BAETC-1534
U0044
HEADPHONE
6
5
4
L7751
2 LBC2518T2R2M
3
HEADPHONE
7
L7752
8 LBC2518T2R2M
1 L7753
LBC2518T2R2M
7
4
NEJITANSI
8
TX-NR636/737/HT-RC660
C D
HP_GND
HPDET
HPR
SPLE
HPL
3 2 1
CODE MODEL
P7752
ST3 T6 TX-NR636
T7 TX-NR737
E F G
MODEL NO. TX-NR636/737 SCHEMATIC DIAGRAM
(PART-9) DISPLAY SECTION
BASW-1531
MUSIC OPTIMIZER:T6US/T7US
KEY
PURE AUDIO:OTHER
SCB3318E-D2
(BLUE)
CODE MODEL
D7654A
R7654
TX-NR636
3.9k
T6
27191312
T7 TX-NR737
(LED)LH-5-5
U0041
R7601 R7602
270 330
R7631 R7632
270 330
H I
D7654
* R7662
WIFI D7653
0
(WHITE)
LW340A
D7655A
D7655
R7661
*
SCB3318E-D2
0
27191312
(LED)LH-5-5
R7655 BLUETOOTH
470 (BLUE)
R7607 R7608
2.2k 3.9k
Atmos
(WHITE)
* D7656A * * R7656
D7656
220
LW340A
27191312
S7601
CODE
(LED)LH 5 5
T6/T7 US M. OPT
T6/T7 EU,EX PURE AUDIO
T6/T7 JP PURE AUDIO
TX-NR636/737/HT-RC660
J K
KEY3
+5V_LED
LEDATM
LEDBT
LEDWIFI
NC
TP7602
LEDPURE
KEY0
GND DG
TP7600
NC
KEY0_3
KEY0_1
KEY0_2
KEY3_1
LEDATM
S7606
ZONE2
ZONE2
RIHD