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Great Manual! It contains all the wiring schematics and mechanical exploded views that are essential for service and repair. I was surprised I even found this for such an old machine. Only wish I knew of this site many years ago.
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Great manual very clear copied. You are making an incredible job. I appreciate a lot the rapidity and your efficiency. Thanks a lot
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Good pdf of the service manual for this unit. Includes disassembly instructions, full schematics, board layouts, parts lists and diagnostic information. Some information is in the pdf twice (single pages, and split pages), but that could be how it was originally generated by panasonic, or perhaps the idea is to make it eaiser to put onto 8.5 x 11" pages.
Information was exactly what I needed. Delivery was overnight (less than 12 hours) and I was happy with the process.
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5 STARS for FAST DELIVERY, BEST PRICES and QUALITY PRODUCT. Item was exactly as described with superb resolution. Will definitely source all my future requirements from this website. Thanks a lot owner-manual.com!
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OEM manual provided all schematics, board layouts and component specs necessary to facilitate unit maintenance. All pages were clear and readable.
2-3. LCD Driver (JT6J15-AS) : COB (Bare Chip) is used
The JT6J15-AS is an 80-channel-output row driver for an STN dot matrix LCD. The JT6J15-AS features 28V-LCD drive voltage. The JT6J15-AS is able to drive LCD panels with a duty ratio of up to 1/160.
2-5. Static RAM
1) OUTLINE
The TC551001CP is a 131,072-word x 8-bit, 5-V driven asynchronous high-speed CMOS static RAM. The power consumption is 5mA/MHz (standard) in operation and the access time is a maximum of 5ns; that is, the use of a new circuit has turned high speed and low power consumption into reality. In addition, the power consumption is only 1µA in standby state and data can be backed up by the battery.
1) Features
� Display duty application: � LCD drive signal: � Data transfer:
to 1/160 80 Two different styles of 1-bit bi-directional can be selected COM 80 COM 1 COM 80 COM 1 11 to 28 V (maximum drive voltage = 30 V) 2.7 to 5.5 V �20 to 75°C 1.5 k� (max) (Vo = 12.8 V, 1/7 to 1/14 bias) When /DSPOF is L, all LCD drive outputs (O1 to O80) remain at the VSS/V5 level. Change on falling edge or rising edge of LP (selected by TSW)
2) Features
� LCD drive voltage: � Operating voltage: � Operating temperature: � LCD drive output resistance: � Display-off function: � LCD drive output timing:
� Low power consumption: 27.5 mW/MHz (standard) in operation � 5-V power supply: 5V 10% � Data retaining power supply voltage: 2V ~ 5.5V � Output buffer control: OE � I/O complete TTL compatible � Standby current (max):
TC551001CP/CF/CFT/CTR/CST/CSR 5.5V 3.0V �55, �70, �85 100 µA 50 µA �55L, �70L, �85L 20 µA 10 µA
� Access time (max)
TC551001CP/CF/CFT/CTR/CST/CSR �55, �55L Access time CE1 access time CE2 access time OE access time 55ns 55ns 55ns 30ns �70, �70L 70ns 70ns 70ns 35ns �85, �85L 85ns 85ns 85ns 45ns
2-4. DC-DC conector (XC 6372A)
1) Pin Assignment
SOT-89-3 (TOP VIEW)
� Package
TSOP I 32-P-0820-0.50 (CFT) (Mass:0.34 standard)
3) Pin configurations
� 32 pin TSOP
1 2 3
(Normal bend type)
(Normal bend type)
2) Pin Description
XC6372A PIN NUMBER XC6372A 1 2 3 �
16 1
PIN NAME VSS VOUT LX EXT
FUNCTION GND Output voltage monitor / IC internal power supply Switch External switch transistor drive
17
(TOP VIEW)
3) Block Diagram
XC6372A
32
4) Pin names
Lx
VLx Limiter Buffer Slow Start Vref PWM como Vout VDD
A0 ~ A16 R/W OE CE1, CE2 I/O1 ~ I/O8 VDD GND N.C.
Address input Read/write input Output enable input Chip enable input Data I/O Power supply terminal (+5V) Ground Not used
VSS
PWM Controlled OSC 50/100/180khZ
EXT
Chip Enable CE
VDD is internally connected to the VOUT pin.
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