Main Assy (1/3) - Pioneer X-HM81-K Service Manual

1

10.3 MAIN ASSY (1/3)

A
G
CN511
(CD)
: Audio Signal Route (CD Lch)
(TU)
: Audio Signal Route (TUNER L ch)
(LINE)
: Audio Signal Route (LINE IN L ch)
B
(FA)
: Audio Signal Route (Front AUDIO IN L ch)
(USB)
: Audio Signal Route (USB L ch)
(HP)
: Audio Signal Route (Phones L ch)
(SW)
: Audio Signal Route (SubWoofer ch)
CP602
C
(HP)
(FA)
C 2/3
VOL_PART
D
C 3/3
AMP_PART
E
F
D
CP605
1/3
64
1
2
FPC600
C800 100N
C799 OPEN
C798 OPEN
C776 OPEN
C662 OPEN
(USB)
(CD)
(TU)
(LINE)
(SW)
2
3
9-3
IC601
CW24C16
A0
VCC
R625
A1
WP
10K
A2
SCLK
GND
SDA
C603
C604
9-1 9-2
100P-J
100P-J
Q602
KTA1504S
Q603
KRC102S
Q609
KTA1504S
R682
1K
R683
390
Q607
KRC102S
Q630
KRC102S
X-HM81-K
3
4
R661
10K
R606 10K
6-4
6-3
6-2
R624 BLM121
VFD_DATA
R627 BLM121
VFD_CLK
R628 BLM121
VFD_CE
R632 BLM121
VFD_RST
78.AMP_PROTECT_DET
NC
79.SPK_RLY
80.AMP_PD
NC
6-1
NC_
NC
R869 22
KEY2
R870 22
KEY1
REGION_OPT
R649 22
OVER_TEMPERATURE_PROTECT_1
R663 22
OVER_TEMPERATURE_PROTECT_2
TIMER_LED
R629
99. CPU_3V3
EEPROM_CLK
100.MUTE_B+_S/W
22
CPU_GND 1.M3V3_SW
R633
2.PWM_DETECT
EEPROM_DATA
22
C609
VREF
100N-K
C608
100N-K
100
22
R677
D600
10N-K
KDS4148U C615
R608 10K
R602 10K
10K
R660
KDS4148U
D601
R679
1K
R681
390
D602
KDS4148U
10k
R684 R829 R685
ZD600
R686
1K
0 220K
1K
R687
10K
D604
KDS4148U
R688
C612 4K7
Q608
4.7/50
KTC3875S
R690
47K
R689
R828
C613 4K7
OPEN
10N-K
4
C607
100N-K
8-1 8-2
53.NC
52.CD_MAIN_
51.CD_RST
3-2
3-1
2-1 2-2
R697
open