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HCD-LV80
19
19
SECTION 7
DIAGRAMS
VIDEO SECTION
Frequency adjustment
1. Connect the frequency counter to check point of the VIDEO
board.
2. Adjust CT503 of the VIDEO board so that the frequency counter
read 27MHz ± 80Hz at STOP condition.
[ VIDEO BOARD ] – SIDE B –
Adjustment Location :
[ VIDEO BOARD ] – SIDE A –
frequency counter
VIDEO board
(27 MHz)
+
–
SL501
IC502
IC506
(27MHz)
(GND)
SL502
SL503
TEST
MODE
SL501
D502
SL502
CT503
SL503
TEST MODE
VIDEO
FREQUENCY
(27MHz)
(GND)
IC507
IC505
Adjustment Location :
[ BD BOARD ] — SIDE B —
TP
(VC)
TP
(RF)
TP
(TE)
TP
(IOP)
TP
(FE)
TP
(AGCCON)
7-1. CIRCUIT BOARDS LOCATION
BD board
MIC board
TC-A board
TC-B board
PANEL-FL board
PANEL-VR board
HEADPHONE board
LED board
CD MOTOR board
TABLE SENSOR board
TUNER UNIT
TRANS board
MAIN board
FRONT INPUT board
CD-R board
CD-L board
PA board
AUDIO board
LEAF SW board
VIDEO board
Содержание HCD-LV80
Страница 28: ...HCD LV80 28 28 7 3 PRINTED WIRING BOARD BD SECTION See page 19 for Circuit Boards Location Page 32 ...
Страница 30: ...HCD LV80 30 30 7 5 SCHEMATIC DIAGRAM DECK SECTION See page 54 for IC Block Diagrams Page 38 ...
Страница 31: ...HCD LV80 31 31 7 6 PRINTED WIRING BOARD DECK SECTION See page 19 for Circuit Boards Location ...
Страница 37: ...HCD LV80 37 37 7 12 SCHEMATIC DIAGRAM MAIN 1 3 SECTION See page 54 for IC Block Diagrams MICON INTERFACE ...
Страница 39: ...HCD LV80 39 39 7 14 SCHEMATIC DIAGRAM MAIN 3 3 SECTION See page 36 for Printed Wiring Board ...
Страница 41: ...HCD LV80 41 41 7 16 SCHEMATIC DIAGRAM POWER SECTION ...
Страница 45: ...HCD LV80 45 45 7 20 SCHEMATIC DIAGRAM PANEL VR SECTION See page 55 for IC Block Diagrams ...
Страница 47: ...HCD LV80 47 47 7 22 SCHEMATIC DIAGRAM TC PANEL SECTION ...
Страница 50: ...HCD LV80 50 50 Page 36 7 25 PRINTED WIRING BOARD CD MOTOR SECTION See page 19 for Circuit Boards Location ...
Страница 51: ...HCD LV80 51 51 7 26 SCHEMATIC DIAGRAM CD MOTOR SECTION Page 38 ...
Страница 52: ...HCD LV80 52 52 7 27 SCHEMATIC DIAGRAM TRANS SECTION ...