Panasonic SA-HR45E Service Manual page 50

SA-HR45E / SA-HR45EG
13.4. (D) Panel Circuit, (E) Volume Circuit & (F) Music Port Circuit
SCHEMATIC DIAGRAM - 8
PANEL CIRCUIT
: +B SIGNAL LINE
Q401
B1GDCFJJ0037
SWITCH
B0ACCK000005
R404
8.2K
R405
270
D402
SLR342VC
S401
W608
POWER
0 POWER_SAVE
MUSIC_SW MUSIC_SW S402
TO 1
< INPUT SELECT
MUSIC_R MUSIC_R KEY2
MAIN 2
MUSIC_GND
CIRCUIT
3
(CN401) IN MUSIC_L MUSIC_L
4 R4034
SCHEMATIC 2.2K
REMOTE REMOTE
S403
5
DIAGRAM-5
INPUT SELECT >
VREF VREF
6
DGND
7
KEY1 KEY1
8 W601
KEY2 KEY2 0
9
POWER_SAVE POWER_SAVE
10
TO
PCONT PCONT R4033
11
MAIN 3.3K
FL_DI FL_DI S404
CIRCUIT 12 ENTER
FL_CLK FL_CLK
(CN402) IN
13
FL_CS FL_CS
SCHEMATIC
14
FL_DO FL_DO
DIAGRAM-5
15
JW401
S406
-MENU / -SETUP /
RETURN
KEY1
FL_0V FL_0V
TO 1
FL_4R6V FL_4R6V
POWER
2
CIRCUIT FL_GND FLGND
R4030
3
(CN801) IN 2.2k S407
5V D407 B0JCAE000001 5V
TUNE -
4
SCHEMATIC
VEE
VEE
5
DIAGRAM-9
JW801
R403
3.3K S408
TUNE +
: -B SIGNAL LINE : MUSIC PORT SIGNAL LINE
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
W604
0
C467 330P
R411 C413
100 50V22
C466 330P
C465 330P
C414
W602
50V22
C464 330P
D401 0
C463 330P
C417 C462 330P
50V10
C461 330P
C460 330P
C459 330P
C458 330P
C457 330P
33 32 31 30
GRID3
34
GRID3
GRID4
35 GRID4
GRID5
36
GRID5
GRID6
37 GRID6
GRID7
38
GRID7 C0HBB0000061
GRID8
39 GRID8
GRID9
40 GRID9
GRID10
41
GRID10
GRID11
42 GRID11
5V
43 VDD
44
C4070 VSS
0.1
1 2 3 4 5
R4061
82K
FL401
A2BB00000158
FL DISPLAY
Q404
C415
R402
50V22
100K
C416
50V22
Q403
C468
330P
Q403
C421
B1GBCFJJ0040
0.1
FL DRIVE
Q404
B1GDCFJJ0037 W609
0
FL DRIVE
29 28 27 26 25 24 23
C420 C419 C418
0.1 50V22 50V22
SEG9
SEG9 22
SEG8
SEG8
21
SEG7
20
SEG7
SEG6
IC401 SEG6 19
SEG5
18
SEG5
SEG4
FL DRIVER SEG4 17
SEG3
16
SEG3
SEG2
15
SEG2
SEG1
14
SEG1
5V
13
VDD
VSS 12
C412 C411
C4071
0.1 6.3V470
0.1
6 7 8 9 10 11
C408 1000P
C409 1000P
C410
1000P
C4101 1000P
REMOTE
VREF
MUSIC_GND
MUSIC_R
MUSIC_L
MUSIC_SW
SA-HR45E/EG PANEL CIRCUIT / VOLUME CIRCUIT / MUSIC PORT CIRCUIT
50
VOLUME CIRCUIT
: MAIN SIGNAL LINE
VR400
EVEKD2F3024B
VOLUME JOG
A B COM
3 2 1
C400 C401
100P 100P
L401
J0JBC0000019
C403 C404 C407
100P 100P 1000P
L402 J0JBC0000019
L403 J0JBC0000019
MUSIC PORT CIRCUIT
: MUSIC PORT SIGNAL LINE
Z400
B3RAD0000087
REMOTE SENSOR
RE VDD GND
1 2 3
C4143
1
L406
J0JBC0000019
C456
1000P
C469
16V33 L404 J0JBC0000019
L405 J0JBC0000019
R412
1.5K
DGND
1
ENC_A TO
2
ENC_B MAIN
3
CIRCUIT
HP_SW
4
(CN400) ON
HP_R
5
SCHEMATIC
HP_GND
DIAGRAM-4
6
HP_L
7
JW400
C402
ZJ100
0.01
W651
0
1
7
C405 C406
0.01 0.01
6
3
2
4
5
HP401
C451
ZJ101
820P
1
C453 C452 7
820P 820P
6
3
2
4
W605 0
5
HP402