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SA-PM29E / SA-PM29EB / SA-PM29EG
18.3. Panel Circuit, Tact Switch Circuit, Headphone Circuit and Switch
Circuit
SCHEMATIC DIAGRAM-7
JK600
HEADPHONE
4
5
2
3
6
7
1
L602
10uH
TACT SWITCH CIRCUIT
VR600
EVEJ1F42124B
VOLUME JOG
1
2
3
R629
R628
470
470
C612
C611
100P
100P
WA601
Q600
Q601
R627
4.7K
Q600,Q601
KRC119STA
SWITCH
VR601
K9AA012A0005
R648
3
4.7K
2
1
R649
C632
100P
4.7K
C631
100P
HEADPHONE CIRCUIT
R625
S621
6.8K
OPEN/CLOSE
R639
S620
4.7K
CD_CHANGE
R640
2.7K
S619
RETURN
R626
2.2K
REC
C605
0.022
GND2
C603
1000P
HP_GND
L601
100uH
C604
HP_L
L600
0.022
100uH
HP_R
HP_SW
RMT
VDD
Z601
B3MAZ0000027 C610
1000P
1
O
2
C608
C609
3
G
6.3V47
0.01
: +B SIGNAL LINE
R638
R637
330
Q602
KRC119STA
LED DRIVER
R606
12K
R605
22K
R604
10K
R623
R622
R621
R616
R615
2.7K
2.2K
1.8K
1.2K
1K
R611
R610
2.2K
1.8K
R624
R613
4.7K
2.7K
SWITCH CIRCUIT
R619
1.2K
H605B/
JW605
1
2
3
TO
4
PANEL CIRCUIT
(H605A) ON
5
SCHEMATIC
6
DIAGRAM-8
7
8
76
: MAIN SIGNAL LINE
E600
330
Q603
KRC119STA
LED DRIVER
WA600
KEY_LED
1
KEY3
2
VREF+
R614
3
1K
GND2
4
KEY_1
5
SSEQ_LED
6
VOL_JOG
7
WA624
TAPE EJECT (KEY2)
8
R607
REC
1K
9
RE_LED
10
S609
+9V
11
ENTER
JOG1
12
JOG2
13
R612
R620
2.2K
1.8K
R636
4.7K
R618
R617
1K
1K
SYS6V
KEY1
GND2
KEY1_1
H604/
JW604
TO
PANEL CIRCUIT
(CN604) ON
SCHEMATIC
DIAGRAM-8
H601B/JW601
1
TO
2
PANEL CIRCUIT
3
(H601A) ON
4
SCHEMATIC
DIAGRAM-8
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