Headphone Circuit, Tact Switch Circuit And Cd Tray Loading Circuit - Panasonic SA-HT330EB Service Manual

SA-HT330EB
23.7. HEADPHONE CIRCUIT, TACT SWITCH CIRCUIT and CD TRAY
LOADING CIRCUIT
SCHEMATIC DIAGRAM - 24
HEADPHONE CIRCUIT
GND1
1
JOG_A
2
TO
VREF+
3
MAIN CIRCUIT
JOG_B
4
(CN2005) ON
KEY2
SCHEMATIC
5
HP_R
DIAGRAM-17
6
HP_GND
7
HP_L
8
H6005/W6005
TACT SWITCH CIRCUIT
TO
KEY1
PANEL CIRCUIT
1
STBY_LED
(H6008/W6009)
2
ON SCHEMATIC
3
DIAGRAM-18
H6009/W6009
CD TRAY LOADING CIRCUIT
R6022 R6023
1K
1K
S6001
S6000
(STOP)
(OPEN/CLOSE)
R6005 2.2K
D6000
(POWER)
B3AAA0000583
IC904
C0GAG0000002
REFLECTIVE PHOTO SENSOR
8 6 5 4 3 2
9 7
C984
25V10
RM902
M
: MAIN SIGNAL LINE
R6099
R6024
1.8K
1.2K
S6002 S6003
(PAUSE) (PLAY)
W6053
0
L6000 J0JBC0000019
L6001
VR6000
JOG VOL
C6002
1000P
A COM B
1
2 3
R6028 22K
R6029 22K
C6021
100P
C6022
100P
R6007
R6006
R6038
1.2K
1K
1K
S6014
S6013
S6011 S6012 (REVERSE/
(FORWARD/
(SELECTOR) TUNING
TUNING UP)
DOWN)
1
S901
S902
88
: +B SIGNAL LINE
W6055 W6054
0 0
C6001
0.047
J0JBC0000019
C6000
0.047
L6002
J0JBC0000019
7
6
5
4
3
2
PLAY
1
OPEN
CS901
JK6002
HEADPHONE
4
5
2
3
6
7
1
TO
MAIN CIRCUIT
(H2000/W2000)
ON SCHEMATIC
DIAGRAM-9