HCD-GNX660
25
25
HCD-GNX660
• CIRCUIT BOARDS LOCATION
TUNER pack
MAIN board
SMASTER board
SPEAKER board
ADC board
MIC board
VOL board
PANEL board
POWER board
IR board
MOTOR (LD) board
SW board
SENSOR board
BD84 board
DRIVER board
CDG board
MOTOR (TB) board
• WAVEFORMS
– MAIN BOARD –
– BD84 BOARD –
– SMASTER BOARD –
0.15 Vp-p
0.2V/DIV, 0.2 msec/DIV
0.1V/DIV, 1 msec/DIV
0.9
±
0.4 Vp-p
0.2V/DIV, 0.5
µ
sec/DIV
0.4 Vp-p
1
IC101
wa
TEI
2
IC101
wd
FEI
3
IC101
ra
RFAC
0.5V/DIV, 20 nsec/DIV
0.8 Vp-p
20.3 nsec
1
IC800
2
2V/DIV, 50 nsec/DIV
4 Vp-p
81.3 nsec
1
IC03
1
– ADC BOARD –
2.7 Vp-p
30.5
µ
sec
3.3 Vp-p
2
µ
sec
1V/DIV, 10
µ
sec/DIV
1V/DIV, 1
µ
sec/DIV
10.5
µ
sec
50V/DIV, 10
µ
sec/DIV
50V/DIV, 10
µ
sec/DIV
67 Vp-p
10.5
µ
sec
82 Vp-p
1
IC401
qa
XC-OUT
2
IC401
qd
X-OUT
3
T101
5
TAPE REC only
4
T101
4
TAPE REC only
– CDG BOARD –
5.9 Vp-p
69.84
µ
sec
2V/DIV, 50 nsec/DIV
1
IC1001
tl
XI1
