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Exactly what was needed to assess the product - excellent value and great service
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Nice to have the service manual for the Sony DCR-TRV345E now. The document is of excellent quality.
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MACKIE HR824 26 pages English-only Service Manual contains:
1) HR824 technical overview with the description of front and rear panel switches.
2) HR824 specs
3) Block Diagram
4) Wiring Diagram
5) Packaging management
6) Spare part & final assembly list (for PCB rev A and B) + exploded view
7) Test Procedures (where, how to measure voltage...) including Test Point diagram on the PCB.
8) IC and Transistor charts.
Excellent guide: very clear, good scan quality enabling us to print readable diagram :-)
Note:
Mackie HR824 make extensive use of surface mount devices (SMD). Service on the HR824 must
only be undertaken by experienced service technicians with the right tools, experience and patience to perform surface mount rework when needed.
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This Service manual is very well scanned and its clean to read, no any anti-theft words that un-english could understand. I got my CCD600 working with this manual and it´s clear shematics :)
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I was very pleased with the service provided and was surprised at how good the quality was of the manual. I thought it may be a third generation copy or so, but it is as good as the websites that charge 3 times this much. I repair some electronics for family and friends without charge, so this is perfect for me. Thank you very much.
SCHEMATIC DIAGRAM-2/2 (A270 MODEL)
ANT1 FM-ANT L5,TC1 AM TRACKING ADJ L2,TC2 FM TRACKING ADJ L3,TC3 FM FREQUENCY RANGE ADJ TC3 L6,TC4 AM FREQUENCY RANGE ADJ TC4 T2 FM IF ADJ
MAIN C.B
LED,DISPLAY 0.9 INCH 12H GREEN (UHC MODEL)
TC1
TC2
0.1 1K 1015GR
PVC1 TUN-CAP,20P-160P-82P (UHC MODEL) TUN-CAP,20P-126P-126P (EZLC,EZHC MODEL) C7 27P (UHC MODEL) 30P (EZLC,EZHC MODEL)
IFT VOL REG
VOLUME
VR,RTRY 50K-BF-12NPD
0.01 BAND 68
8.2K 39K
SPEAKER
FM/AM FE FM NC IF GND RF IN OUT FM/AM AM BAND IF SELECT IN FM IF IN
AM IN
FM RF
REG FM AFC AM VOL OUT OSC OSC
NF
FH GND DISCRI
U2
IF AFC AFC DET NC METER GND AGC AGC OUT
AM FM IF POWER IC
AF RIPPLE AF IN FILTER VCC OUT GND
T3 AM IF ADJ
U1 LM8560
0.1
2SC1815GR
8 ohm 0.5w 1/4
0.1 0.022 0.01 IF AMP LED1 ALARM LED,DIA3 DISPLAY CONTROL
STANDBY
0.022
POWER
CN1
0.1
16V
SOCKET DC 9V 2P BATTERY
COLON OUT MIN AF MIN CD MIN BG 10MIN MIN 10MIN CD 10MIN BG 10MIN AF HRAF HRCD HRBG
VSS ALARM OUT SLEEP OUT ALARM OFF ALARM DISP VDD MIN SET HOUR SET
0.1 AC~
BUZZER
0.01 0.01 ALARM SET
PT
120V 60Hz (UHC MODEL) 230V 50Hz (EZLC,EZHC MODEL)
0.1
0.01
LED,DISPLAY 0.9 INCH 24H GREEN (EZLC,EZHC,UWCC MODEL)
STANDBY
0.01 AC~
PT,U 120V W/AC CORD (UHC MODEL) PT,EZ 230V W/AC CORD (EZLC, EZHC MODEL)
BUZZER
SNOOZE INPUT 50/60 INPUT
50/60Hz JW 12/24H
10HRC 50/60 SELECT PM 10HRB CR INPUT
UP
DOWN
SLEEP INPUT
Note
CLOCK SET 0.0068
AM 12/24 10HRAG SELECT
JW
JW
SELECT
JW
50Hz 60Hz 12H 24H
12/24H 50/60Hz � JW � No Mount No Mount � JW �
0.001
SIGNAL : AM : FM
-10-
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