Main Unit (Su-Htb885) - Panasonic SU-HTB885EB Service Manual

12.2. Main Unit (SU-HTB885)

12.2.1. PANEL CIRCUIT
1 2 3
SCHEMATIC DIAGRAM - 1
A
C
PANEL CIRCUIT
B
C
CN3301
NFC_3R3V 3
TO NFC P.C.B.
DGND 2
NFC_IRQ 1
D
CN3300
15
NFC_3R3V 1
NFC_IRQ 2
REMOTE_GND 3
4
BK3R3V
REMOTE 5
IR_SWITCH 6
PW_FL5V 7
TO MAIN CIRCUIT
E
PW_FL12V 8
(CN2008)
PW_3R3V 9
FL_DA 10
FL_GND 11
FL_CK 12
FL_STB 13
DGND 14
BUZZER 15
1
C4016
1000P
TL
F
C4017
G
1000P
TL 3
C4018
1000P
TL 2
H
1 2 3
4 5 6
: +B SIGNAL LINE
IC3300
C0JBAR000606
SELECTOR
CH1
6 A
5 VCC GND
COMMON CC0
4
C3320
1
IC3302
C3381
1000P C0JBAC000363
SWITCH
P2_0
4 3
AVSS
C3383 R3382 R3383
1 1M 120K P2_1 2
LB3380
J0JHC0000107
P2_2
5 1
AVCC
R4015
0
C3322
100P
C3321
1000P
R3302
0 5 4
Q3302
B1CFGD000002
LCD DRIVE
1 2 3
1
R3315
1K
R3316
3 2 1
Q3303
B1CFGD000002
LCD DRIVE
TL 4
4 5
R3321 C4019
1000P
0
LB3301 C3301
J0JHC0000107 1
LB3302 J0JHC0000107
C3300
1
LB3303
J0JHC0000107
4 5 6
7 8 9
Z3300
REMOTE SENSOR
G1 G2
1 2 3
R3319
0
1
C3316
4.7
2
R3320
47 CN3302
3
3 REMOTE
2 GND
1 VCC
R3322
0
Q3380
B1ABBE000003
R3381 SWITCH
1K
BZ3301
BUZZER
IC3301
C0JBAC000363
AVSS
SWITCH
4 P1_0 3
P1_2 2
R3384
47K
P1_1
5 1
AVCC
C3380
1
37 36 34 33 32 31 30 29 28 27 26 25 24 23 22
R3300 R3301
33 33
R3304 0
R3303 0
C3313
100P
R3318
47K
47K
C3312
3
1
R3317
47K
D3306
B0ADDH000009
2 1
C3309 R3309
4.7 47K
D3308
DZ2J330M0L
C3310
10
D3309
DA2J10100L
7 8 9
61
10 11 12
E
TO
REMOTE SENSOR
CIRCUIT (CN3303)
IN SCHEMATIC
DIAGRAM - 2
FL3300
A2BB00000189
FL DISPLAY
21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 2 1
R3305
10
R3307
C3308
6.8K
1
C3305
R3306 C3307
1 C3306
1
0
4.7
D3304
R3311 R3308
DZ2J051M0L
1
47
R3310
22
3
Q3300
B1ABCF000176
SWITCH
2 1
C3311
1
D3307
B0ADDH000009
Q3301
B1ADCE000012
SWITCH
SC-HTB885EB/EG (SU-HTB885EB/EG)
10 11 12
13 14
A
B
C
D
E
CK3302
F
G
PANEL CIRCUIT
H
13 14